Commit Graph

3486 Commits

Author SHA1 Message Date
Misael Lopez Cruz
471a009b6d ARM: OMAP: hwmod code: Disable module when hwmod enable fails
Clock and module mode are explictly enable when hwmod is enabled. But if
the hwmod doesn't get ready on time, clocks are disabled but module is left
enabled.

Signed-off-by: Misael Lopez Cruz <misael.lopez@ti.com>
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2012-09-03 11:50:52 -06:00
Tero Kristo
ed733619d8 ARM: OMAP3: hwmod data: fix iva2 reset info
IVA2 hwmod resets were missing the status bit offsets. Also, as the
hwmod itself didn't have prcm info at all, resetting iva hwmod was
accessing some bogus memory addresses. Added both infos to fix this.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2012-09-03 11:50:52 -06:00
Paul Walmsley
bfb7dd25fc ARM: OMAP3xxx: clockdomain: fix software supervised wakeup/sleep
Commit 4da71ae6 ("OMAP: clockdomain: Arch specific funcs for
clkdm_clk_enable/disable") called the OMAP2xxx-specific functions for
clockdomain wakeup and sleep.  This would probably have broken
software-supervised clockdomain wakeup and sleep on OMAP3.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Cc: Jon Hunter <jon-hunter@ti.com>
Acked-by: Rajendra Nayak <rnayak@ti.com>
2012-09-03 11:50:43 -06:00
Vaibhav Hiremath
5776501390 ARM: OMAP2+: am33xx: Fix the timer fck clock naming convention
With commit ae6df418a2
Sub: ARM: OMAP2+: dmtimer: cleanup fclk usage)
The Timer functional clock naming convention has changed from
gptX_fck => timerXfck, and so as the timer init function
in mach-omap2/timer.c.
OMAP4 clocktree also has changed accordingly.

AM33xx Clock Tree has been merged during rc3-4 timeframe,
before above commit got merged, so similar change is required
for AM33xx as well (Change the gptX_fck => timerX_fck).

Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2012-09-03 11:50:36 -06:00
Radek Pilar
a17fb8f520 ARM: OMAP: Config fix for omap3-touchbook board
Fix inconsistency between mach-types and CONFIG_ name that prevents
touchbook board from booting.

Signed-off-by: Radek Pilar <mrkva@mrkva.eu>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-08-30 13:54:52 -07:00
Tony Lindgren
39b1bb2e0c Merge branch 'devel-dt-regulator' into devel-dt 2012-08-30 13:47:23 -07:00
Igor Grinberg
45caae74d2 ARM: OMAP: timer: obey the !CONFIG_OMAP_32K_TIMER
Currently, omap2_sync32k_clocksource_init() function initializes the 32K
timer as the system clock source regardless of the CONFIG_OMAP_32K_TIMER
setting.
Fix this by providing a default implementation for
!CONFIG_OMAP_32K_TIMER case.

Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Reviewed-by: Paul Walmsley <paul@pwsan.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: stable@vger.kernel.org
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-08-30 13:19:03 -07:00
Afzal Mohammed
2ee30f0511 ARM: OMAP2+: gpmc-nand: Modify Interrupt handling
Now GPMC provides its client with interrupts that can be handled
using the standard interrupt API. Modify GPMC NAND setup to work
with it.

Also disable write protect in GPMC code, so that NAND driver can
be ignorant of GPMC configuration.

Signed-off-by: Afzal Mohammed <afzal@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-08-30 12:53:24 -07:00
Afzal Mohammed
6b6c32fc96 ARM: OMAP2+: gpmc: Modify interrupt handling
Modify interrupt handling such that interrupts can be handled by GPMC
client drivers using standard interrupt APIs rather than requiring
the drivers to have knowledge about GPMC interrupt handling. Currently
only NAND related interrupts has been considered (which is the case
even without this change) as the only user of GPMC interrupt is NAND.

Signed-off-by: Afzal Mohammed <afzal@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-08-30 12:53:23 -07:00
Afzal Mohammed
681988ba0c ARM: OMAP2+: gpmc-onenand: provide memory as resource
Currently omap onenand driver invokes gpmc_cs_request, obtains address
space allocated by gpmc to onenand. Remove this, instead use resource
structure; this is now updated with address space for onenand by gpmc
initialization with the help of gpmc_cs_request. And remove usage of
gpmc_cs_request in onenand driver.

This helps in smooth migration of gpmc to driver.

Signed-off-by: Afzal Mohammed <afzal@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-08-30 12:53:23 -07:00
Afzal Mohammed
9222e3a7bb ARM: OMAP2+: gpmc-nand: update resource with memory
Currently omap nand driver uses a field in platform data - phys_base
for passing the address space allocated by gpmc for nand. Use struct
resource instead. With this change omap nand driver has to get
address space from memory resource.

This helps in smooth migration of gpmc to driver.

Signed-off-by: Afzal Mohammed <afzal@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-08-30 12:53:23 -07:00
Afzal Mohammed
d126d0158b ARM: OMAP2+: gpmc-nand: update gpmc-nand regs
GPMC has NAND registers, update nand platform data with those details
so that NAND driver can configure those by itself instead of using
exported symbols.

Signed-off-by: Afzal Mohammed <afzal@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-08-30 12:53:22 -07:00
Afzal Mohammed
52bd138d61 ARM: OMAP2+: gpmc: update nand register helper
Provide helper function for updating NAND register details for
the necessary chip select. NAND drivers platform data can be
updated with this information so that NAND driver can handle
GPMC NAND operations by itself.

Signed-off-by: Afzal Mohammed <afzal@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-08-30 12:53:22 -07:00
Olof Johansson
85d7ff9b90 ARM: omap: add dtb targets
Makes it easier to just do 'make dtbs' for whatever the kernel was
configured for, just like some other platforms.

Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-08-24 13:17:55 -07:00
Arnd Bergmann
57f0b20141 Merge branch 'randconfig/mach' into fixes
Small platform specific bug fixes for problems found in randconfig builds.

* randconfig/mach:
  ARM: ux500: don't select LEDS_GPIO for snowball
  ARM: imx: build i.MX6 functions only when needed
  ARM: imx: select CPU_FREQ_TABLE when needed
  ARM: imx: fix ksz9021rn_phy_fixup
  ARM: imx: build pm-imx5 code only when PM is enabled
  ARM: omap: allow building omap44xx without SMP

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-08-23 17:30:54 +02:00
Arnd Bergmann
c7a9b09b1a ARM: omap: allow building omap44xx without SMP
The new omap4 cpuidle implementation currently requires
ARCH_NEEDS_CPU_IDLE_COUPLED, which only works on SMP.

This patch makes it possible to build a non-SMP kernel
for that platform. This is not normally desired for
end-users but can be useful for testing.

Without this patch, building rand-0y2jSKT results in:

drivers/cpuidle/coupled.c: In function 'cpuidle_coupled_poke':
drivers/cpuidle/coupled.c:317:3: error: implicit declaration of function '__smp_call_function_single' [-Werror=implicit-function-declaration]

It's not clear if this patch is the best solution for
the problem at hand. I have made sure that we can now
build the kernel in all configurations, but that does
not mean it will actually work on an OMAP44xx.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Tested-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: Kevin Hilman <khilman@ti.com>
Cc: Tony Lindgren <tony@atomide.com>
2012-08-23 17:16:42 +02:00
Sudeep KarkadaNagesha
df3d17e068 ARM: pmu: remove arm_pmu_type enumeration
The arm_pmu_type enumeration was initially introduced to identify
different PMU types in the system, the usual one being that on the CPU
(ARM_PMU_DEVICE_CPU). With the removal of the PMU reservation code and
the introduction of devicetree bindings for the CPU PMU, the enumeration
is no longer required.

This patch removes the enumeration and updates the various CPU PMU
platform devices so that they no longer pass an .id field referring
to identify the PMU type.

Cc: Haojian Zhuang <haojian.zhuang@gmail.com>
Cc: Olof Johansson <olof@lixom.net>
Cc: Pawel Moll <pawel.moll@arm.com>
Acked-by: Jon Hunter <jon-hunter@ti.com>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Jiandong Zheng <jdzheng@broadcom.com>
Signed-off-by: Sudeep KarkadaNagesha <Sudeep.KarkadaNagesha@arm.com>
[will: cosmetic edits and actual removal of the enum type]
Signed-off-by: Will Deacon <will.deacon@arm.com>
2012-08-23 11:35:51 +01:00
NeilBrown
9574f36fb8 OMAP/serial: Add support for driving a GPIO as DTR.
OMAP hardware doesn't provide a phyisical DTR line, but
some configurations may need a DTR line which tracks whether
the device is open or not.

So allow a gpio to be configured as the DTR line.

Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-08-16 12:10:43 -07:00
Tony Lindgren
cf835e8d22 Merge branch 'for_3.6/fixes/pm' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap-pm into fixes 2012-08-10 23:21:57 -07:00
Rajendra Nayak
196449de0c ARM: OMAP4: Register the OPP table only for 4430 device
The 4430 OPP table was being registered for all other OMAP4 variants
too, like 4460 and 4470 causing issues with cpufreq driver
enabled. 4460 and 4470 devices have different OPPs as compared to
4430, and they should be populated seperately. As long as that
happens, let the OPP table registeration happen only on 4430 device.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
2012-08-09 08:07:54 -07:00
Santosh Shilimkar
5b6e3eb576 ARM: OMAP4: sleep: Save the complete used register stack frame
OMAP4 sleep entry code even though itself don't use many CPU registers
makes call to the v7_flush_dcache_all() which uses them. Since
v7_flush_dcache_all() doesn't make use of stack, the caller must take
care of the stack frame. Otherwise it will lead to corrupted stack frame.

Fix it by saving used registers.

Reported-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: Kevin Hilman <khilman@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
2012-08-09 08:06:27 -07:00
Kevin Hilman
e0e29fd74c Revert "ARM: OMAP3: PM: call pre/post transition per powerdomain"
This reverts commit 58f0829b71.

Converstion to per-pwrdm per/post transition calls was a bit
premature.  Only tracking MPU, PER & CORE in the idle path means we
lose the accounting for all the other powerdomains which may also
transition in idle.  On OMAP3, due to autodeps, several powerdomains
transition along with MPU (e.g. DSS, USBHOST), and the accounting for
these was lost with this patch.  Since the accounting includes the
context loss counters, drivers for devices in those power domains
would never notice context lost, so would likely hang after any
off-mode transitions.

This patch should be revisited when the upcoming clkdm/pwrmdm/voltdm
use-counting seires is merged since then we can properly do accounting
without relying on a call in the idle path.

In addition, the original patch had another bug because the PER
powerdomain accounting was not updated until after the GPIO resume
hook is called.  Since gpio_resume_after_idle() checks the context
loss count (which is not yet updated) it would not properly restore
context, leaving the GPIO banks in an undefined state.

Cc: Jean Pihet <jean.pihet@newoldbits.com>
Cc: Tero Kristo <t-kristo@ti.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Reported-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
2012-08-07 15:44:51 -07:00
Kevin Hilman
265a2bc842 ARM: OMAP3: TWL4030: ensure sys_nirq1 is mux'd and wakeup enabled
The SYS_NIRQ1 pin is the interupt line for the PMIC part of the TWL6030
and interrupts from the PMIC are needed as wakeup sources.

Ensure this pin is mux'd as input and has wakeup enabled so PMIC
interupts (e.g. RTC) can be used as wakeup sources.

Tested on 3430/n900, OMAP3530/Overo Fire, 3730/Overo FireSTORM,
3730/Beagle-xM.

Signed-off-by: Kevin Hilman <khilman@ti.com>
2012-08-07 11:27:31 -07:00
Michael Jones
36b547aa20 omap2: mux: remove comment for nonexistent member
remove comment for nonexistent member

Signed-off-by: Michael Jones <michael.jones@matrix-vision.de>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-08-07 03:58:02 -07:00
Tony Lindgren
8aeff82fab Merge branch 'for_3.6/fixes/ads7846-2' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap-pm into fixes 2012-08-07 03:57:03 -07:00
Santosh Shilimkar
acb11fe80a OMAP2+: Fix random config build break with !ARM_CPU_SUSPEND
The random config builds with PM and !ARM_CPU_SUSPEND breaks with below
error on omap2plus_defconfig.

arch/arm/mach-omap2/sleep44xx.S:323: undefined reference to `cpu_resume'
arch/arm/mach-omap2/omap-mpuss-lowpower.c:278: undefined reference to `cpu_suspend'

This is because recently merged OMAP5 platform shares the common files
with OMAP4 but doesn't select ARM_CPU_SUSPEND. Without the ARM_CPU_SUSPEND
the sleep code is meaningless.

Fix the same by adding ARM_CPU_SUSPEND for OMAP5. The suggestion came from
Russell King in an off-list discussion.

Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Cc: Kevin Hilman <khilman@ti.com>
Reported-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-08-07 00:22:19 -07:00
Javier Martinez Canillas
a71eb61c9d ARM: OMAP3: igep0020: set GPIO mode for mux mcspi1_cs2 pin
According to the IGEPv2 Rev.C data-sheet the LAN9221i pin 14 (IRQ) is
connected to the OMAP3730 mcspi1_cs2 pin. Since this omap mux pin acts
as an IRQ line, it has to be configured as an input GPIO.

IGEPv2 platform code sets the smsc911x_cfg->gpio_irq to GPIO 176 but
since the mux pin default mode is MODE7 (safe_mode) the driver fails
when trying to register the IRQ with the following error message:

[    1.994598] smsc911x: Driver version 2008-10-21
[    3.704162] irq 272: nobody cared (try booting with the "irqpoll" option)
[    3.711364] [<c001a114>] (unwind_backtrace+0x0/0xf0) from [<c009a0d4>] (__report_bad_irq+0x20/0xbc)
[    3.720916] [<c009a0d4>] (__report_bad_irq+0x20/0xbc) from [<c009a41c>] (note_interrupt+0x1d8/0x238)
[    3.730560] [<c009a41c>] (note_interrupt+0x1d8/0x238) from [<c0098234>] (handle_irq_event_percpu+0xc0/0x260)
[    3.740936] [<c0098234>] (handle_irq_event_percpu+0xc0/0x260) from [<c0098410>] (handle_irq_event+0x3c/0x5c)
[    3.751312] [<c0098410>] (handle_irq_event+0x3c/0x5c) from [<c009abe0>] (handle_level_irq+0xac/0x10c)
[    3.761047] [<c009abe0>] (handle_level_irq+0xac/0x10c) from [<c0097a34>] (generic_handle_irq+0x30/0x48)
[    3.770935] [<c0097a34>] (generic_handle_irq+0x30/0x48) from [<c02a6b74>] (gpio_irq_handler+0x180/0x1d4)
[    3.780944] [<c02a6b74>] (gpio_irq_handler+0x180/0x1d4) from [<c0097a34>] (generic_handle_irq+0x30/0x48)
[    3.790954] [<c0097a34>] (generic_handle_irq+0x30/0x48) from [<c0013e18>] (handle_IRQ+0x4c/0xac)
[    3.800231] [<c0013e18>] (handle_IRQ+0x4c/0xac) from [<c000858c>] (omap3_intc_handle_irq+0x60/0x74)
[    3.809783] [<c000858c>] (omap3_intc_handle_irq+0x60/0x74) from [<c04979e4>] (__irq_svc+0x44/0x60)
[    3.819213] Exception stack(0xee42fde0 to 0xee42fe28)
[    3.824554] fde0: 00000001 00000001 00000000 00000000 60000013 c06cce14 c06cce14 00000110
[    3.833190] fe00: 00000000 c06ccdf4 60000013 ee41d000 fb058064 ee42fe28 c0089e08 c04976b4
[    3.841796] fe20: 20000013 ffffffff
[    3.845489] [<c04979e4>] (__irq_svc+0x44/0x60) from [<c04976b4>] (_raw_spin_unlock_irqrestore+0x34/0x44)
[    3.855499] [<c04976b4>] (_raw_spin_unlock_irqrestore+0x34/0x44) from [<c0099744>] (__setup_irq+0x1b8/0x3f0)
[    3.865875] [<c0099744>] (__setup_irq+0x1b8/0x3f0) from [<c0099a34>] (request_threaded_irq+0xb8/0x140)
[    3.875701] [<c0099a34>] (request_threaded_irq+0xb8/0x140) from [<c0487950>] (smsc911x_drv_probe+0x75c/0x11a4)
[    3.886260] [<c0487950>] (smsc911x_drv_probe+0x75c/0x11a4) from [<c02e9bcc>] (platform_drv_probe+0x18/0x1c)
[    3.906707] [<c02e89b8>] (driver_probe_device+0x90/0x210) from [<c02e8bcc>] (__driver_attach+0x94/0x98)
[    3.916625] [<c02e8bcc>] (__driver_attach+0x94/0x98) from [<c02e7298>] (bus_for_each_dev+0x50/0x7c)
[    3.926177] [<c02e7298>] (bus_for_each_dev+0x50/0x7c) from [<c02e81d4>] (bus_add_driver+0x184/0x248)
[    3.935821] [<c02e81d4>] (bus_add_driver+0x184/0x248) from [<c02e909c>] (driver_register+0x78/0x12c)
[    3.945465] [<c02e909c>] (driver_register+0x78/0x12c) from [<c0008648>] (do_one_initcall+0x34/0x178)
[    3.955108] [<c0008648>] (do_one_initcall+0x34/0x178) from [<c066e8f4>] (kernel_init+0xfc/0x1c0)
[    3.964385] [<c066e8f4>] (kernel_init+0xfc/0x1c0) from [<c00140b0>] (kernel_thread_exit+0x0/0x8)
[    3.973632] handlers:
[    3.976043] [<c034e2cc>] smsc911x_irqhandler
[    3.980560] Disabling IRQ #272

Signed-off-by: Javier Martinez Canillas <javier@dowhile0.org>
Acked-by: Enric Balletbo i Serra <eballetbo@gmail.com>
Tested-by: Enric Balletbo i Serra <eballetbo@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-08-07 00:01:42 -07:00
Igor Grinberg
c31cc1b764 Revert "ARM: OMAP3530evm: set pendown_state and debounce time for ads7846"
1) The above commit introduced a common ->get_pendown_state() function
into the generic code, but that function was board-specific for the
OMAP3EVM and thus broke most other boards using this code.

2) The above commit was mis-merged introducing another bug which
prevents the ads7846 driver probe function to succeed.
The omap_ads7846_init() function frees the pendown GPIO in case there is
no ->get_pendown_state() function set by the caller (board specific
code), so it can be requested later by the ads7846 driver.
The above commit add a common ->get_pendown_state() function without
removing the gpio_free() call and thus once the ads7846 driver tries
to use the pendown GPIO, it crashes as the pendown GPIO has not been
requested.

3) The above commit introduces NO new functionality as
get_pendown_state() function is already implemented in a suitable way by
the ads7846 driver and the debounce time handling has already been
fixed by commit 97ee9f01 (ARM: OMAP: fix the ads7846 init code).

This reverts commit 16aced80f6.

Conflicts:
	arch/arm/mach-omap2/common-board-devices.c

Solved by taking the working version prior to the above commit.

Cc: Zumeng Chen <zumeng.chen@windriver.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Reviewed-by: Kevin Hilman <khilman@ti.com>
Tested-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
2012-08-06 13:51:52 -07:00
Felipe Balbi
78c289f876 usb: xceiv: create nop-usb-xceiv.h and avoid pollution on otg.h
nop-usb-xceiv was polluting otg.h with its own
function prototypes. Move those prototypes to
a nop-usb-xceiv.h header.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2012-08-03 09:36:18 +03:00
Linus Torvalds
bfdf85dfce ARM: arm-soc: cpuidle enablement for OMAP
Coupled cpuidle was meant to merge for 3.5 through Len Brown's tree, but
 didn't go in because the pull request ended up rejected. So it just got
 merged, and we got this staged branch that enables the coupled cpuidle
 code on OMAP.
 
 With a stable git workflow from the other maintainer we could have staged
 this earlier, but that wasn't the case so we have had to merge it late.
 
 The alternative is to hold it off until 3.7 but given that the code is
 well-isolated to OMAP and they are eager to see it go in, I didn't push
 back hard in that direction.
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Merge tag 'pm2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull arm-soc cpuidle enablement for OMAP from Olof Johansson:
 "Coupled cpuidle was meant to merge for 3.5 through Len Brown's tree,
  but didn't go in because the pull request ended up rejected.  So it
  just got merged, and we got this staged branch that enables the
  coupled cpuidle code on OMAP.

  With a stable git workflow from the other maintainer we could have
  staged this earlier, but that wasn't the case so we have had to merge
  it late.

  The alternative is to hold it off until 3.7 but given that the code is
  well-isolated to OMAP and they are eager to see it go in, I didn't
  push back hard in that direction."

* tag 'pm2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: OMAP4: CPUidle: Open broadcast clock-event device.
  ARM: OMAP4: CPUidle: add synchronization for coupled idle states
  ARM: OMAP4: CPUidle: Use coupled cpuidle states to implement SMP cpuidle.
  ARM: OMAP: timer: allow gp timer clock-event to be used on both cpus
2012-08-02 11:48:54 -07:00
Linus Torvalds
a6dc77254b Merge branch 'dmaengine' of git://git.linaro.org/people/rmk/linux-arm
Pull ARM DMA engine updates from Russell King:
 "This looks scary at first glance, but what it is is:
   - a rework of the sa11x0 DMA engine driver merged during the previous
     cycle, to extract a common set of helper functions for DMA engine
     implementations.
   - conversion of amba-pl08x.c to use these helper functions.
   - addition of OMAP DMA engine driver (using these helper functions),
     and conversion of some of the OMAP DMA users to use DMA engine.

  Nothing in the helper functions is ARM specific, so I hope that other
  implementations can consolidate some of their code by making use of
  these helpers.

  This has been sitting in linux-next most of the merge cycle, and has
  been tested by several OMAP folk.  I've tested it on sa11x0 platforms,
  and given it my best shot on my broken platforms which have the
  amba-pl08x controller.

  The last point is the addition to feature-removal-schedule.txt, which
  will have a merge conflict.  Between myself and TI, we're planning to
  remove the old TI DMA implementation next year."

Fix up trivial add/add conflicts in Documentation/feature-removal-schedule.txt
and drivers/dma/{Kconfig,Makefile}

* 'dmaengine' of git://git.linaro.org/people/rmk/linux-arm: (53 commits)
  ARM: 7481/1: OMAP2+: omap2plus_defconfig: enable OMAP DMA engine
  ARM: 7464/1: mmc: omap_hsmmc: ensure probe returns error if DMA channel request fails
  Add feature removal of old OMAP private DMA implementation
  mtd: omap2: remove private DMA API implementation
  mtd: omap2: add DMA engine support
  spi: omap2-mcspi: remove private DMA API implementation
  spi: omap2-mcspi: add DMA engine support
  ARM: omap: remove mmc platform data dma_mask and initialization
  mmc: omap: remove private DMA API implementation
  mmc: omap: add DMA engine support
  mmc: omap_hsmmc: remove private DMA API implementation
  mmc: omap_hsmmc: add DMA engine support
  dmaengine: omap: add support for cyclic DMA
  dmaengine: omap: add support for setting fi
  dmaengine: omap: add support for returning residue in tx_state method
  dmaengine: add OMAP DMA engine driver
  dmaengine: sa11x0-dma: add cyclic DMA support
  dmaengine: sa11x0-dma: fix DMA residue support
  dmaengine: PL08x: ensure all descriptors are freed when channel is released
  dmaengine: PL08x: get rid of write only pool_ctr and free_txd locking
  ...
2012-08-01 16:41:07 -07:00
Linus Torvalds
d4fdc32517 fbdev updates for 3.6
It includes:
 - large updates for OMAP
   - support for LCD3 overlay manager (omap5)
   - omapdss output cleanup
   - removal of passive matrix LCD support as there are no drivers for
     such panels for DSS or DSS2 and nobody complained (cleanup)
 - large updates for SH Mobile
   - overlay support
   - separating MERAM (cache) from framebuffer driver
 - some updates for Exynos and da8xx-fb
 - various other small patches
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Merge tag 'fbdev-updates-for-3.6' of git://github.com/schandinat/linux-2.6

Pull fbdev updates from Florian Tobias Schandinat:
 - large updates for OMAP
   - support for LCD3 overlay manager (omap5)
   - omapdss output cleanup
   - removal of passive matrix LCD support as there are no drivers for
     such panels for DSS or DSS2 and nobody complained (cleanup)
 - large updates for SH Mobile
   - overlay support
   - separating MERAM (cache) from framebuffer driver
 - some updates for Exynos and da8xx-fb
 - various other small patches

* tag 'fbdev-updates-for-3.6' of git://github.com/schandinat/linux-2.6: (78 commits)
  da8xx-fb: fix compile issue due to missing include
  fbdev: Make pixel_to_pat() failure mode more friendly
  da8xx-fb: do not turn ON LCD backlight unless LCDC is enabled
  fbdev: sh_mobile_lcdc: Fix vertical panning step
  video: exynos mipi dsi: Fix mipi dsi regulators handling issue
  video: da8xx-fb: do clock reset of revision 2 LCDC before enabling
  arm: da850: configure LCDC fifo threshold
  video: da8xx-fb: configure FIFO threshold to reduce underflow errors
  video: da8xx-fb: fix flicker due to 1 frame delay in updated frame
  video: da8xx-fb rev2: fix disabling of palette completion interrupt
  da8xx-fb: add missing FB_BLANK operations
  video: exynos_dp: use usleep_range instead of delay
  video: exynos_dp: check the only INTERLANE_ALIGN_DONE bit during Link Training
  fb: epson1355fb: Fix section mismatch
  video: exynos_dp: fix wrong DPCD address during Link Training
  video/smscufx: fix line counting in fb_write
  aty128fb: Fix coding style issues
  fbdev: sh_mobile_lcdc: Fix pan offset computation in YUV mode
  fbdev: sh_mobile_lcdc: Fix overlay registers update during pan operation
  fbdev: sh_mobile_lcdc: Support horizontal panning
  ...
2012-08-01 10:45:12 -07:00
Russell King
8a23fa1b95 ARM: omap: remove mmc platform data dma_mask and initialization
DMAengine uses the DMA engine device structure when mapping/unmapping
memory for DMA, so the MMC devices do not need their DMA masks
initialized (this reflects hardware: the MMC device is not the device
doing DMA.)

Tested-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-07-31 12:06:23 +01:00
Linus Torvalds
cea8f46c36 Merge branch 'for-linus' of git://git.linaro.org/people/rmk/linux-arm
Pull ARM updates from Russell King:
 "First ARM push of this merge window, post me coming back from holiday.
  This is what has been in linux-next for the last few weeks.  Not much
  to say which isn't described by the commit summaries."

* 'for-linus' of git://git.linaro.org/people/rmk/linux-arm: (32 commits)
  ARM: 7463/1: topology: Update cpu_power according to DT information
  ARM: 7462/1: topology: factorize the update of sibling masks
  ARM: 7461/1: topology: Add arch_scale_freq_power function
  ARM: 7456/1: ptrace: provide separate functions for tracing syscall {entry,exit}
  ARM: 7455/1: audit: move syscall auditing until after ptrace SIGTRAP handling
  ARM: 7454/1: entry: don't bother with syscall tracing on ret_from_fork path
  ARM: 7453/1: audit: only allow syscall auditing for pure EABI userspace
  ARM: 7452/1: delay: allow timer-based delay implementation to be selected
  ARM: 7451/1: arch timer: implement read_current_timer and get_cycles
  ARM: 7450/1: dcache: select DCACHE_WORD_ACCESS for little-endian ARMv6+ CPUs
  ARM: 7449/1: use generic strnlen_user and strncpy_from_user functions
  ARM: 7448/1: perf: remove arm_perf_pmu_ids global enumeration
  ARM: 7447/1: rwlocks: remove unused branch labels from trylock routines
  ARM: 7446/1: spinlock: use ticket algorithm for ARMv6+ locking implementation
  ARM: 7445/1: mm: update CONTEXTIDR register to contain PID of current process
  ARM: 7444/1: kernel: add arch-timer C3STOP feature
  ARM: 7460/1: remove asm/locks.h
  ARM: 7439/1: head.S: simplify initial page table mapping
  ARM: 7437/1: zImage: Allow DTB command line concatenation with ATAG_CMDLINE
  ARM: 7436/1: Do not map the vectors page as write-through on UP systems
  ...
2012-07-27 15:14:26 -07:00
Russell King
91b006def3 Merge branches 'audit', 'delay', 'fixes', 'misc' and 'sta2x11' into for-linus 2012-07-27 23:06:32 +01:00
Linus Torvalds
9fc377799b USB patches for 3.6-rc1
Here's the big USB patch set for the 3.6-rc1 merge window.
 
 Lots of little changes in here, primarily for gadget controllers and drivers.
 There's some scsi changes that I think also went in through the scsi tree, but
 they merge just fine.  All of these patches have been in the linux-next tree
 for a while now.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB patches from Greg Kroah-Hartman:
 "Here's the big USB patch set for the 3.6-rc1 merge window.

  Lots of little changes in here, primarily for gadget controllers and
  drivers.  There's some scsi changes that I think also went in through
  the scsi tree, but they merge just fine.  All of these patches have
  been in the linux-next tree for a while now.

  Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"

Fix up trivial conflicts in include/scsi/scsi_device.h (same libata
conflict that Jeff had already encountered)

* tag 'usb-3.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (207 commits)
  usb: Add USB_QUIRK_RESET_RESUME for all Logitech UVC webcams
  usb: Add quirk detection based on interface information
  usb: s3c-hsotg: Add header file protection macros in s3c-hsotg.h
  USB: ehci-s5p: Add vbus setup function to the s5p ehci glue layer
  USB: add USB_VENDOR_AND_INTERFACE_INFO() macro
  USB: notify phy when root hub port connect change
  USB: remove 8 bytes of padding from usb_host_interface on 64 bit builds
  USB: option: add ZTE MF821D
  USB: sierra: QMI mode MC7710 moved to qcserial
  USB: qcserial: adding Sierra Wireless devices
  USB: qcserial: support generic Qualcomm serial ports
  USB: qcserial: make probe more flexible
  USB: qcserial: centralize probe exit path
  USB: qcserial: consolidate usb_set_interface calls
  USB: ehci-s5p: Add support for device tree
  USB: ohci-exynos: Add support for device tree
  USB: ehci-omap: fix compile failure(v1)
  usb: host: tegra: pass correct pointer in ehci_setup()
  USB: ehci-fsl: Update ifdef check to work on 64-bit ppc
  USB: serial: keyspan: Removed unrequired parentheses.
  ...
2012-07-26 10:23:47 -07:00
Santosh Shilimkar
b93d70aeb8 ARM: OMAP4: CPUidle: Open broadcast clock-event device.
OMAP4 idle driver uses CLOCK_EVT_NOTIFY_BROADCAST_[ENTER/EXIT]
for broadcast clock events. But _ENTER/_EXIT doesn't really open
broadcast clock events and to explicitly setup the broadcast device,
CLOCK_EVT_NOTIFY_BROADCAST_ON should be used.

Add the missing CLOCK_EVT_NOTIFY_BROADCAST_ON clockevent notifications.
This will setup the broadcast timer in either periodic/oneshot modes
correctly. Recent clockevent infrastructure change 77b0d60 {leave the
broadcast device in shutdown mode when not needed} exposed this bug
leading to boot hangs in oneshot mode. Prior to this, periodic broadcast
mode was also broken. This change fixes both the periodic/oneshot broadcast
modes.

Discussion thread :
	https://lkml.org/lkml/2012/4/9/13

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
2012-07-25 16:06:08 -07:00
Kevin Hilman
5b4d5bcc68 ARM: OMAP4: CPUidle: add synchronization for coupled idle states
With coupled idle states, a failure for any CPU to hit a low power
state must be coordinated such that all CPUs abort.

On OMAP4, when entering a coupled state, CPU0 has to wait for CPU1 to
enter its low power state before it can enter its low power state.

This is implemented by letting CPU0 wait for the CPU1 powerdomain to
hit off.  However, there are conditions where CPU1 might abort/fail
and not hit off while CPU0 is waiting for it.  For example, a CPU1
wakeup or a failed attempt to hit off due to hardware conditions.

To avoid the deadlock where CPU0 would continually wait for CPU1 to
hit off-mode, this patch adds a flag to signal when each CPU has come
out of its low-power state.  CPU0 then checks whether CPU1 has hit off
*or* has already completed its attempt to hit off.  If the latter,
CPU0 must abort its attempt to hit a low-power state so the coupled
state enter method can return.

In addition, cpuidle_coupled_parallel_barrier() is used to ensure the
clearing of the 'done' flag is synchronized on all CPUs.

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
2012-07-25 16:06:04 -07:00
Santosh Shilimkar
dd3ad97c56 ARM: OMAP4: CPUidle: Use coupled cpuidle states to implement SMP cpuidle.
OMAP4 CPUDILE driver is converted mainly based on notes from the
coupled cpuidle patch series.

The changes include :
- Register both CPUs and C-states to cpuidle driver.
- Set struct cpuidle_device.coupled_cpus
- Set struct cpuidle_device.safe_state to non coupled state.
- Set CPUIDLE_FLAG_COUPLED in struct cpuidle_state.flags for each
  state that affects multiple cpus.
- Separate ->enter hooks for coupled & simple idle.
- CPU0 wait loop for CPU1 power transition.
- CPU1 wakeup mechanism for the idle exit.
- Enabling ARCH_NEEDS_CPU_IDLE_COUPLED for OMAP4.

Thanks to Kevin Hilman and Colin Cross on the suggestions/fixes
on the intermediate version of this patch.

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
2012-07-25 16:05:35 -07:00
Santosh Shilimkar
11d6ec2e48 ARM: OMAP: timer: allow gp timer clock-event to be used on both cpus
For coupled cpuidle to work when both cpus are active, it needs a global timer
that can handle events for both cpus.  This timer is used as the broadcast
clock-event when the per-cpu timer hardware stop in low power states.
Set the cpumask of clockevent_gpt to all cpus, set the rating correctly, and
set the irq to allow the clockevent core to determine the affinity of the
timer.

Signed-off-by: Colin Cross <ccross@android.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
2012-07-25 16:05:22 -07:00
Linus Torvalds
d14b7a419a Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial tree from Jiri Kosina:
 "Trivial updates all over the place as usual."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (29 commits)
  Fix typo in include/linux/clk.h .
  pci: hotplug: Fix typo in pci
  iommu: Fix typo in iommu
  video: Fix typo in drivers/video
  Documentation: Add newline at end-of-file to files lacking one
  arm,unicore32: Remove obsolete "select MISC_DEVICES"
  module.c: spelling s/postition/position/g
  cpufreq: Fix typo in cpufreq driver
  trivial: typo in comment in mksysmap
  mach-omap2: Fix typo in debug message and comment
  scsi: aha152x: Fix sparse warning and make printing pointer address more portable.
  Change email address for Steve Glendinning
  Btrfs: fix typo in convert_extent_bit
  via: Remove bogus if check
  netprio_cgroup.c: fix comment typo
  backlight: fix memory leak on obscure error path
  Documentation: asus-laptop.txt references an obsolete Kconfig item
  Documentation: ManagementStyle: fixed typo
  mm/vmscan: cleanup comment error in balance_pgdat
  mm: cleanup on the comments of zone_reclaim_stat
  ...
2012-07-24 13:34:56 -07:00
Linus Torvalds
97e7292ab5 arm-soc: clk changes
Clock support is moving to the clk subsystem. These tegra, omap and imx
 changes are for code that is still platform specific and not (yet)
 part of that subsystem.
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Merge tag 'clk' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull arm-soc clk changes from Arnd Bergmann:
 "Clock support is moving to the clk subsystem.  These tegra, omap and
  imx changes are for code that is still platform specific and not (yet)
  part of that subsystem."

Fix up conflicts in arch/arm/mach-{imx/clk-imx51-imx53.c,omap2/Makefile}

* tag 'clk' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (23 commits)
  ARM: imx: clk-imx31: Fix clock id for rnga driver
  ARM: imx: add missing item to the list of clock event modes
  ARM: i.MX5x CSPI: Fixed clock name for CSPI
  ARM: i.MX5x clocks: Fix GPT clocks
  ARM: i.MX5x clocks: Fix parent for PWM clocks
  ARM: i.MX5x clocks: Add EPIT support
  ARM: mx27: Reenable silicon version print
  ARM: clk-imx27: Fix rtc clock id
  ARM: tegra: Provide clock for only one PWM controller
  ARM: tegra: Fix PWM clock programming
  ARM: OMAP3+: clock33xx: Add AM33XX clock tree data
  ARM: OMAP3+: clock: Move common clksel_rate & clock data to common file
  ARM: tegra: dma: rename driver name for clock to "tegra-apbdma"
  ARM: tegra: Remove second instance of uart clk
  crypto: add clk_prepare/clk_unprepare
  ASoC: tegra: add clk_prepare/clk_unprepare
  staging: nvec: add clk_prepare/clk_unprepare
  spi/tegra: add clk_prepare/clk_unprepare
  Input: tegra-kbc - add clk_prepare/clk_unprepare
  USB: ehci-tegra: add clk_prepare/clk_unprepare
  ...
2012-07-23 17:51:03 -07:00
Linus Torvalds
a5ebba6b54 arm-soc: power management changes
These are various power management related changes, mainly concerning
 cpuidle on i.MX and OMAP, as well as a the move of the omap smartreflex
 driver to live in the power subsystem.
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Merge tag 'pm' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull arm-soc power management changes from Arnd Bergmann:
 "These are various power management related changes, mainly concerning
  cpuidle on i.MX and OMAP, as well as a the move of the omap
  smartreflex driver to live in the power subsystem."

Fix up conflicts in arch/arm/mach-{imx/mach-imx6q.c,omap2/prm2xxx_3xxx.h}

* tag 'pm' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (37 commits)
  ARM: OMAP2+: PM: fix IRQ_NOAUTOEN removal by mis-merge
  ARM: OMAP2+: do not allow SmartReflex to be built as a module
  ARM: OMAP2: Use hwmod to initialize mmc for 2420
  ARM: OMAP3: PM: cpuidle: optimize the clkdm idle latency in C1 state
  ARM: OMAP3: PM: cpuidle: optimize the PER latency in C1 state
  ARM: OMAP3: PM: cpuidle: default to C1 in next_valid_state
  ARM: OMAP3: PM: cleanup cam_pwrdm leftovers
  ARM: OMAP3: PM: call pre/post transition per powerdomain
  ARM: OMAP2+: powerdomain: allow pre/post transtion to be per pwrdm
  ARM: OMAP3: PM: Remove IO Daisychain control from cpuidle
  ARM: OMAP3PLUS: hwmod: reconfigure IO Daisychain during hwmod mux
  ARM: OMAP3+: PRM: Enable IO wake up
  ARM: OMAP4: PRM: Add IO Daisychain support
  ARM: OMAP3: PM: Move IO Daisychain function to omap3 prm file
  ARM: OMAP3: PM: correct enable/disable of daisy io chain
  ARM: OMAP2+: PRM: fix compile for OMAP4-only build
  W1: OMAP HDQ1W: use runtime PM
  ARM: OMAP2+: HDQ1W: use omap_device
  W1: OMAP HDQ1W: use 32-bit register accesses
  W1: OMAP HDQ1W: allow driver to be built on all OMAP2+
  ...
2012-07-23 17:43:53 -07:00
Linus Torvalds
f1d2c07d33 arm-soc: board specific updates
These changes are all for individual board files. In the long run, those
 files will largely go away, and the amount of changes appears to be
 continuously decreasing, which is a good sign. This time around, changes
 are focused on tegra, omap and samsung.
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Merge tag 'boards' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull arm-soc board specific updates from Arnd Bergmann:
 "These changes are all for individual board files.  In the long run,
  those files will largely go away, and the amount of changes appears to
  be continuously decreasing, which is a good sign.  This time around,
  changes are focused on tegra, omap and samsung."

Fix conflicts in arch/arm/mach-{omap2/common-board-devices.c,tegra/Makefile.boot}
as per the 'for-linus' branch.

* tag 'boards' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (39 commits)
  ARM: EXYNOS: Add leds status1 and status2 on Origen board
  ARM: S3C64XX: Mark most Cragganmore initdata devinitdata
  ARM: EXYNOS: Add missing .reserve field to SMDKC210
  ARM: EXYNOS: Add DRM device to SMDK4X12 board
  ARM: S3C64XX: Clean up after SPI driver platform data updates
  ARM: SAMSUNG: no need to set the value for clk_xusbxti when it is 24Mhz
  ARM: EXYNOS: Add framebuffer support for SMDK4X12
  ARM: EXYNOS: Add HSOTG support to SMDK4X12
  ARM: S5PV210: Add audio platform device in Goni board
  ARM: S5PV210: Add audio platform device in Aquila board
  ARM: EXYNOS: Add audio platform device in SMDKV310 board
  ARM: S3C64XX: Don't specify an irq_base for WM1192-EV1 board
  ARM: OMAP3: Fix omap3evm randconfig error introduced by VBUS support
  ARM: OMAP: board-omap4panda: MUX configuration for sys_nirq2
  ARM: OMAP: board-4430sdp: MUX configuration for sys_nirq2
  ARM: OMAP3530evm: set pendown_state and debounce time for ads7846
  ARM: omap3evm: enable VBUS switch for EHCI tranceiver
  ARM: OMAP3EVM: Adding USB internal LDOs board file
  ARM: OMAP3EVM: Add NAND flash definition
  ARM: OMAP3: cm-t35: add tvp5150 decoder support
  ...
2012-07-23 17:34:48 -07:00
Linus Torvalds
f01b9b73f5 arm-soc: new SoC support
This adds support for three new SoC types:
 * The mvebu platform includes Marvell's Armada XP and Armada 370 chips,
   made by the mvebu business unit inside of Marvell. Since the same
   group also made the older but similar platforms we call "orion5x",
   "kirkwood", "mv78xx0" and "dove", we plan to move all of them into
   the mach-mvebu directory in the future.
 * socfpga is Altera's platform based on Cortex-A9 cores and a lot of
   FPGA space. This is similar to the Xilinx zynq platform we already
   support. The code is particularly clean, which is helped by the fact
   that the hardware doesn't do much besides the parts that are
   expected to get added in the FPGA.
 * The OMAP subarchitecture gains support for the latest generation,
   the OMAP5 based on the new Cortex-A15 core. Support is rather
   rudimentary for now, but will be extended in the future.
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Merge tag 'newsoc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull support for three new arm SoC types from Arnd Bergmann:

 - The mvebu platform includes Marvell's Armada XP and Armada 370 chips,
   made by the mvebu business unit inside of Marvell.  Since the same
   group also made the older but similar platforms we call "orion5x",
   "kirkwood", "mv78xx0" and "dove", we plan to move all of them into
   the mach-mvebu directory in the future.

 - socfpga is Altera's platform based on Cortex-A9 cores and a lot of
   FPGA space.  This is similar to the Xilinx zynq platform we already
   support.  The code is particularly clean, which is helped by the fact
   that the hardware doesn't do much besides the parts that are expected
   to get added in the FPGA.

 - The OMAP subarchitecture gains support for the latest generation, the
   OMAP5 based on the new Cortex-A15 core.  Support is rather
   rudimentary for now, but will be extended in the future.

* tag 'newsoc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (25 commits)
  ARM: socfpga: initial support for Altera's SOCFPGA platform
  arm: mvebu: generate DTBs for supported SoCs
  ARM: mvebu: MPIC: read number of interrupts from control register
  arm: mach-mvebu: add entry to MAINTAINERS
  arm: mach-mvebu: add compilation/configuration change
  arm: mach-mvebu: add defconfig
  arm: mach-mvebu: add documentation for new device tree bindings
  arm: mach-mvebu: add support for Armada 370 and Armada XP with DT
  arm: mach-mvebu: add source files
  arm: mach-mvebu: add header
  clocksource: time-armada-370-xp: Marvell Armada 370/XP SoC timer driver
  ARM: Kconfig update to support additional GPIOs in OMAP5
  ARM: OMAP5: Add the build support
  arm/dts: OMAP5: Add omap5 dts files
  ARM: OMAP5: board-generic: Add device tree support
  ARM: omap2+: board-generic: clean up the irq data from board file
  ARM: OMAP5: Add SMP support
  ARM: OMAP5: Add the WakeupGen IP updates
  ARM: OMAP5: l3: Add l3 error handler support for omap5
  ARM: OMAP5: gpmc: Update gpmc_init()
  ...

Conflicts:
	Documentation/devicetree/bindings/arm/omap/omap.txt
	arch/arm/mach-omap2/Makefile
	drivers/clocksource/Kconfig
	drivers/clocksource/Makefile
2012-07-23 16:31:31 -07:00
Linus Torvalds
fde7543027 arm-soc: cleanups, part 2
These omap cleanups have dependencies on earlier omap branches that in
 turn depend on other cleanups, so they could not go into the same
 branch.
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Merge tag 'cleanup2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull arm-soc cleanups, part 2, from Arnd Bergmann:
 "These omap cleanups have dependencies on earlier omap branches that in
  turn depend on other cleanups, so they could not go into the same
  branch."

* tag 'cleanup2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: OMAP: sdrc: Fix the build break for OMAP4 only builds
  ARM: OMAP2+: dmtimer: cleanup fclk usage
  ARM: OMAP2+: Fix mismerge for omap_hwmod_get_main_clk() API
  ARM: OMAP2+: Remove unnecessary ifdef around __omap2_set_globals
  ARM: OMAP2+: am33xx: Change cpu_is_am33xx to soc_is_am33xx
  ARM: OMAP2+: am33xx: Make am33xx as a separate class
  ARM: OMAP2+: Move omap3 dpll ops to dpll3xxx.c
  ARM: OMAP2+: All OMAP2PLUS uses omap-device.o target so add one entry
  ARM: OMAP: dmtimer: use devm_ API and do some cleanup in probe()
  ARM: OMAP2+: hwmod code: add support to set dmadisable in hwmod framework
  ARM: OMAP2+: PRM/CM: Move the stubbed prm and cm functions to prcm.c file and make them __weak
  ARM: OMAP2+: hwmod: add omap_hwmod_get_main_clk() API
  ARM: OMAP3+: dpll: optimize noncore dpll locking logic
  ARM: OMAP3: control: add definition for CONTROL_CAMERA_PHY_CTRL
  ARM: OMAP2+: powerdomain code: Fix Wake-up power domain power status
  ARM: OMAP4: clockdomain/CM code: Update supported transition modes
  ARM: OMAP3/4: omap_hwmod: Add rstst_offs field to struct omap_hwmod_omap4_prcm
  ARM: OMAP2+: hwmod: Add new sysc_type3 into omap_hwmod required for am33xx
2012-07-23 16:22:12 -07:00
Linus Torvalds
1a4120bc10 arm-soc: timer updates
This contains two branches dealing with timers, one for the picoxcell
 platform that is now using DT with the platform-independent
 dw_apb_timer driver. The other change is for the omap-specific
 dmtimer driver.
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Merge tag 'timer' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull arm-soc timer updates from Arnd Bergmann:
 "This contains two branches dealing with timers, one for the picoxcell
  platform that is now using DT with the platform-independent
  dw_apb_timer driver.  The other change is for the omap-specific
  dmtimer driver."

* tag 'timer' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  clocksource: dw_apb_timer: Add common DTS glue for dw_apb_timer
  ARM: OMAP2+: Simplify dmtimer clock aliases
  ARM: OMAP2+: Move dmtimer clock set function to dmtimer driver
  ARM: OMAP1: Fix dmtimer support
  ARM: OMAP: Add flag to indicate if a timer needs a manual reset
  ARM: OMAP: Remove timer function pointer for context loss counter
  ARM: OMAP: Remove loses_context variable from timer platform data
  ARM: OMAP2+: Fix external clock support for dmtimers
  ARM: OMAP2+: HWMOD: Correct timer device attributes
  ARM: OMAP: Add DMTIMER capability variable to represent timer features
  ARM: OMAP2+: Add dmtimer platform function to reserve systimers
  ARM: OMAP2+: Remove unused max number of timers definition
  ARM: OMAP: Remove unnecessary clk structure
2012-07-23 16:21:23 -07:00
Linus Torvalds
4f2d658b2f arm-soc: device tree description updates
This branch contains two kinds of updates: Some platforms in the process
 of getting converted to device tree based booting, and the platform
 specific patches necessary for that are included here. Other platforms
 are already converted, so we just need to update the actual device
 tree source files and the binding documents to add support for new board
 and new drivers.
 In the future we will probably separate those into two branches, and
 in the long run, the plan is to move the device tree source files out
 of the kernel repository, but that has to wait until we have completed
 a much larger portion of the binding documents.
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Merge tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull arm-soc device tree description updates from Arnd Bergmann:
 "This branch contains two kinds of updates: Some platforms in the
  process of getting converted to device tree based booting, and the
  platform specific patches necessary for that are included here.

  Other platforms are already converted, so we just need to update the
  actual device tree source files and the binding documents to add
  support for new board and new drivers.

  In the future we will probably separate those into two branches, and
  in the long run, the plan is to move the device tree source files out
  of the kernel repository, but that has to wait until we have completed
  a much larger portion of the binding documents."

Fix up trivial conflicts in arch/arm/mach-imx/clk-imx6q.c due to newly
added clkdev registers next to a few removed unnecessary ones.

* tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (119 commits)
  ARM: LPC32xx: Add PWM to base dts file
  ARM: EXYNOS: mark the DMA channel binding for SPI as preliminary
  ARM: dts: Add nodes for spi controllers for SAMSUNG EXYNOS5 platforms
  ARM: EXYNOS: Enable platform support for SPI controllers for EXYNOS5
  ARM: EXYNOS: Add spi clock support for EXYNOS5
  ARM: dts: Add nodes for spi controllers for SAMSUNG EXYNOS4 platforms
  ARM: EXYNOS: Enable platform support for SPI controllers for EXYNOX4
  ARM: EXYNOS: Fix the incorrect hierarchy of spi controller bus clock
  ARM: ux500: Remove PMU platform registration when booting with DT
  ARM: ux500: Remove temporary snowball_of_platform_devs enablement structure
  ARM: ux500: Ensure vendor specific properties have the vendor's identifier
  pinctrl: pinctrl-nomadik: Append sleepmode property with vendor specific prefixes
  ARM: ux500: Move rtc-pl031 registration to Device Tree when enabled
  ARM: ux500: Enable the AB8500 RTC for all DT:ed DB8500 based devices
  ARM: ux500: Correctly reference IRQs supplied by the AB8500 from Device Tree
  ARM: ux500: Apply ab8500-debug node do the db8500 DT structure
  ARM: ux500: Add a ab8500-usb Device Tree node for db8500 based devices
  ARM: ux500: Add db8500 Device Tree node for misc/ab8500-pwm
  ARM: ux500: Add db8500 Device Tree node for ab8500-sysctrl
  ARM: ux500: Enable LED heartbeat functionality on Snowbal via DT
  ...
2012-07-23 16:17:43 -07:00
Linus Torvalds
5e512d0785 arm-soc: soc-specific updates
This is stuff that does not fit well into another category and in
 particular is not related to a particular board. The largest part
 in here is extending the am33xx support in the omap platform.
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Merge tag 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull arm soc-specific updates from Arnd Bergmann:
 "This is stuff that does not fit well into another category and in
  particular is not related to a particular board.  The largest part in
  here is extending the am33xx support in the omap platform."

Fix up trivial conflicts in arch/arm/mach-{imx/mach-mx35_3ds.c, tegra/Makefile}

* tag 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (74 commits)
  ARM: LPC32xx: Add PWM support
  ARM: LPC32xx: Add PWM clock
  ARM: LPC32xx: Set system serial based on cpu unique id
  ARM: vexpress: Config option for early printk console
  ARM: vexpress: Add Device Tree for V2P-CA15_CA7 core tile
  ARM: vexpress: Convert V2P-CA15 Device Tree to 64 bit addresses
  ARM: vexpress: Add fixed regulator for SMSC
  ARM: vexpress: Add missing SP804 interrupt in motherboard's DTS files
  ARM: vexpress: Initial common clock support
  ARM: SAMSUNG: Introduce Kconfig variable for Samsung custom clk API
  ARM: EXYNOS: Add missing static storage class specifier in pmu.c file
  ARM: EXYNOS: Make combiner_init function static
  ARM: EXYNOS: Update HSOTG PHY clock setting for EXYNOS4X12
  ARM: versatile: Make plat-versatile clock optional
  ARM: vexpress: Check master site in daughterboard's sysctl operations
  ARM: vexpress: remove automatic errata workaround selection
  ARM: LPC32xx: Adjust to pl08x DMA interface changes
  ARM: EXYNOS: Clear SYS_WDTRESET bit to use watchdog reset
  ARM: imx: fix mx51 ehci setup errors
  ARM: imx: make ehci power/oc polarities configurable
  ...
2012-07-23 16:08:40 -07:00
Linus Torvalds
451ce7f9cf arm-soc: general cleanups
These are all boring changes, moving stuff around or renaming things
 mostly, and also getting rid of stuff that is duplicate or should
 not be there to start with. Platform-wise this is all over the place,
 mainly omap, samsung, at91, imx and tegra.
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Merge tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull general arm-soc cleanups from Arnd Bergmann:
 "These are all boring changes, moving stuff around or renaming things
  mostly, and also getting rid of stuff that is duplicate or should not
  be there to start with.  Platform-wise this is all over the place,
  mainly omap, samsung, at91, imx and tegra."

Resolve trivial conflict in arch/arm/mach-omap2/clockdomains3xxx_data.c

* tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (67 commits)
  ARM: clps711x: Remove the setting of the time
  ARM: clps711x: Removed superfluous transform virt_to_bus and related functions
  ARM: clps711x/p720t: Replace __initcall by .init_early call
  ARM: S3C24XX: Remove unused GPIO definitions for Openmoko GTA02 board
  ARM: S3C24XX: Remove unused GPIO definitions for port J
  ARM: S3C24XX: Remove unused GPA, GPE, GPH bank GPIO aliases
  ARM: S3C24XX: Convert the touchscreen setup code to common GPIO API
  ARM: S3C24XX: Convert the PM code to gpiolib API
  ARM: S3C24XX: Convert QT2410 board file to the gpiolib API
  ARM: S3C24XX: Convert SMDK board file to the gpiolib API
  ARM: S3C24XX: Free the backlight gpio requested in Mini2440 board code
  ARM: imx: remove unused pdata from device macros
  ARM: imx: Kconfig: Remove IMX_HAVE_PLATFORM_IMX_SSI from MACH_MX25_3DS
  ARM: at91: fix new build errors
  ARM: at91: add AIC5 support
  ARM: at91: remove mach/irqs.h
  ARM: at91: sparse irq support
  ARM: at91: at91 based machines specify their own irq handler at run time
  ARM: at91: remove static irq priorities for sam9x5
  ARM: at91: add of irq priorities support
  ...
2012-07-23 16:04:15 -07:00
Linus Torvalds
b85c14fb83 arm-soc: non-critical bug fixes
These were submitted as bug fixes before v3.5 but not considered
 important enough to be included in it.
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Merge tag 'fixes-non-critical' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull non-critical arm-soc bug fixes from Arnd Bergmann:
 "These were submitted as bug fixes before v3.5 but not considered
  important enough to be included in it."

* tag 'fixes-non-critical' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (29 commits)
  ARM:vt8500: Convert to use .restart and remove arch_reset()
  ARM: davinci: da8xx: fix interrupt handling
  ARM: OMAP2+: fix CONFIG_CPU_IDLE dependency on CONFIG_PM
  ARM: mxs/tx28: fix odd include
  ARM: OMAP: remove unused cpu detection macros
  ARM: OMAP: fix typos related to OMAP330
  ARM: OMAP7XX:  Remove omap730.h and omap850.h
  ARM: OMAP2+: fix naming collision of variable nr_irqs
  ARM: OMAP: omap2plus_defconfig: Enable EXT4 support
  ARM: OMAP depends on MMU
  arm: omap3: am35x: Set proper powerdomain states
  ARM: OMAP AM35x: clockdomain data: Fix clockdomain dependencies
  ARM: OMAP AM35x: EMAC/MDIO integration: Add Davinci EMAC/MDIO hwmod support
  ARM: OMAP: AM35xx: fix UART4 softreset
  ARM: OMAP AM35xx: clock and hwmod data: fix UART4 data
  ARM: OMAP AM35xx: clock and hwmod data: fix AM35xx HSOTGUSB hwmod
  ARM: OMAP: Fix dts files w/ status property: "disable" -> "disabled"
  ARM: OMAP: beagle: Set USB Host Port 1 to OMAP_USBHS_PORT_MODE_UNUSED
  ARM: OMAP2: twl-common: Fix compiler warning
  ARM: OMAP: fix the ads7846 init code
  ...
2012-07-23 16:01:01 -07:00
Arnd Bergmann
608f593b13 Linux 3.5-rc7
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Merge tag 'v3.5-rc7' into next/boards

Linux 3.5-rc7

Prerequisite for samsung/board3 branch.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-07-21 23:07:33 +02:00
Masanari Iida
260db90282 mach-omap2: Fix typo in debug message and comment
Correcting spelling typo in mach-omap2

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2012-07-20 10:35:24 +02:00
Arnd Bergmann
a1acbbf4ad Merge branch 'next/board-samsung-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/boards
From Kukjin Kim <kgene.kim@samsung.com>:

The branch includes updating each Samsung boards such as SMDK4X12,
Aquila, Goni and so on, and it is for audio platform device and
supporting of HSOTG or framebuffer.

* 'next/board-samsung-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: EXYNOS: Add framebuffer support for SMDK4X12
  ARM: EXYNOS: Add HSOTG support to SMDK4X12
  ARM: S5PV210: Add audio platform device in Goni board
  ARM: S5PV210: Add audio platform device in Aquila board
  ARM: EXYNOS: Add audio platform device in SMDKV310 board
  ARM: S3C64XX: Don't specify an irq_base for WM1192-EV1 board

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-07-17 23:00:19 +02:00
Arnd Bergmann
36c678f3c9 i.MX clk noncritical fixes and updates
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Merge tag 'imx-clk' of git://git.pengutronix.de/git/imx/linux-2.6 into next/clk

From Sascha Hauer <s.hauer@pengutronix.de>:

i.MX clk noncritical fixes and updates

* tag 'imx-clk' of git://git.pengutronix.de/git/imx/linux-2.6:
  ARM: imx: clk-imx31: Fix clock id for rnga driver
  ARM: imx: add missing item to the list of clock event modes
  ARM: i.MX5x CSPI: Fixed clock name for CSPI
  ARM: i.MX5x clocks: Fix GPT clocks
  ARM: i.MX5x clocks: Fix parent for PWM clocks
  ARM: i.MX5x clocks: Add EPIT support
  ARM: mx27: Reenable silicon version print
  ARM: clk-imx27: Fix rtc clock id

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-07-17 22:41:50 +02:00
Arnd Bergmann
45bcc91aca Merge branch 'clps711x/cleanup' into next/cleanup
Patches from Alexander Shiyan <shc_work@mail.ru>:

* clps711x/cleanup:
  ARM: clps711x: Remove the setting of the time
  ARM: clps711x: Removed superfluous transform virt_to_bus and related functions
  ARM: clps711x/p720t: Replace __initcall by .init_early call

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-07-17 22:25:03 +02:00
Greg Kroah-Hartman
b903bd69e3 Merge 3.5-rc7 into usb-next
This resolves the merge issue with the drivers/usb/host/ehci-omap.c
file.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-16 13:16:09 -07:00
Arnd Bergmann
6de7351cb5 Merge tag 'omap-devel-dt-for-v3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/dt
From Tony Lindgren <tony@atomide.com>:

Device tree related patches for omaps

* tag 'omap-devel-dt-for-v3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  arm/dts: New dts file for PandaBoardES (4460)
  arm/dts: omap4-panda: Audio support for PandaBoard 4430
  arm/dts: omap4-sdp: Enable audio support via device tree
  arm/dts: omap4-sdp: Add support for twl6040
  arm/dts: omap4-sdp: Add fixed regulator to represent VBAT
  arm/dts: omap4: Add entry for OMAP DMIC IP
  arm/dts: omap4: Add entry for OMAP McPDM IP
  arm/dts: am33xx wdt node
  arm/dts: remove MMC/SD and SPI related entries from am33xx.dtsi
  watchdog: omap_wdt: add device tree support
  ARM: OMAP: avoid build wdt platform device if with dt support
  arm/dts: add wdt node for omap3 and omap4
  arm/dts: OMAP4: Add Variscite OMAP4 System-On-Modeule support
  arm/dts: Add support for AM335x BeagleBone
  arm/dts: Add support for AM335x EVM
  arm/dts: Add initial DT support for AM33XX SoC family
  arm/dts: omap3-evm: Add i2c and twl4030 support
  arm/dts: Add support for TI AM3517/05 EVM board
  arm/dts: OMAP2: Add support for OMAP2420H4 Board

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-07-12 17:36:32 +02:00
Arnd Bergmann
35bf8cc74b Merge branch 'picoxcell/timer' into next/timer
Imported from mailing list

* picoxcell/timer:
  clocksource: dw_apb_timer: Add common DTS glue for dw_apb_timer

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-07-12 17:27:36 +02:00
Arnd Bergmann
0dc1951043 Linux 3.5-rc6
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Merge tag 'v3.5-rc6' into next/soc

Linux 3.5-rc6

Dependency for imx/soc changes
2012-07-11 12:50:20 +02:00
Arnd Bergmann
4450cb7d58 This branch adds clock data for am33xx. Note that eventually these
will use the common clock framework, but those patches are not quite
 ready yet for omaps. This branch depends on omap-cleanup-part2-for-v3.6
 branch.
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Merge tag 'omap-devel-am33xx-data-for-v3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/clk

From Tony Lindgren <tony@atomide.com>:

This branch adds clock data for am33xx. Note that eventually these
will use the common clock framework, but those patches are not quite
ready yet for omaps. This branch depends on omap-cleanup-part2-for-v3.6
branch.

* tag 'omap-devel-am33xx-data-for-v3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP3+: clock33xx: Add AM33XX clock tree data
  ARM: OMAP3+: clock: Move common clksel_rate & clock data to common file

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-07-10 17:41:13 +02:00
Tony Lindgren
b103a2e22a ARM: OMAP3: Fix omap3evm randconfig error introduced by VBUS support
Commit cb8ca5897 (ARM: omap3evm: enable VBUS switch for EHCI tranceiver)
added a new randconfig error if TWL4030_CORE is not selected:

arch/arm/mach-omap2/board-omap3evm.c:368: undefined reference to `twl_i2c_read_u8'
arch/arm/mach-omap2/board-omap3evm.c:370: undefined reference to `twl_i2c_write_u8'

Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-07-09 23:22:24 -07:00
Russell King
79d15ce999 ARM: OMAP: use SGI0 to wake secondary CPUs
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-07-09 17:39:36 +01:00
R Sricharan
35eb429875 ARM: OMAP5: Add the build support
Adding the build support required for OMAP5 soc
in to omap2+ config.

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: R Sricharan <r.sricharan@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
2012-07-09 19:14:40 +05:30
R Sricharan
0c1b6fac94 ARM: OMAP5: board-generic: Add device tree support
Adding the minimal support for OMAP5 evm board
with device tree.

Reviewed-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: R Sricharan <r.sricharan@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
2012-07-09 19:14:39 +05:30
R Sricharan
c4082d499f ARM: omap2+: board-generic: clean up the irq data from board file
Move the irq_match arrays and the irq init functions of OMAP 2,3
and 4 based boards out of board-generic.c file and also rename the
irq init function to match the interrupt controller present in
the SOCs.

This is a preparatory patch to add the OMAP5 evm board's irq init
support with device tree.

Signed-off-by: R Sricharan <r.sricharan@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
2012-07-09 19:14:39 +05:30
Santosh Shilimkar
283f708ca8 ARM: OMAP5: Add SMP support
Add OMAP5 SMP boot support using OMAP4 SMP code. The relevant code paths
are runtime checked using cpu id

Signed-off-by: R Sricharan <r.sricharan@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
2012-07-09 19:14:39 +05:30
Santosh Shilimkar
247c445c0f ARM: OMAP5: Add the WakeupGen IP updates
OMAP4 and OMAP5 share same WakeupGen IP with below few udpates on OMAP5.
- Additional 32 interrupt support is added w.r.t OMAP4 design.
- The AUX CORE boot registers are now made accessible from non-secure SW.
- SAR offset are changed and PTMSYNC* registers are removed from SAR.

Patch updates the WakeupGen code accordingly.

Signed-off-by: R Sricharan <r.sricharan@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
2012-07-09 19:14:39 +05:30
R Sricharan
e17933c2c0 ARM: OMAP5: l3: Add l3 error handler support for omap5
The l3 interconnect ip is same for OMAP4 and OMAP5.
So reuse the l3 error handler error code for OMAP5
as well. Also a few targets has been newly added for
OMAP5. So updating the driver for that here.

Signed-off-by: R Sricharan <r.sricharan@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
2012-07-09 19:14:39 +05:30
R Sricharan
1a5da219a4 ARM: OMAP5: gpmc: Update gpmc_init()
GPMC module is the same as in OMAP4.
Just update the base address and irq number.

Signed-off-by: R Sricharan <r.sricharan@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
2012-07-09 19:14:39 +05:30
R Sricharan
37b3280de2 ARM: OMAP5: timer: Add clocksource, clockevent support
Adding the Initialisaton for clocksource and clockevent device
on OMAP5 Socs.

Signed-off-by: R Sricharan <r.sricharan@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
2012-07-09 19:14:39 +05:30
R Sricharan
05e152c76a ARM: OMAP5: Add minimal support for OMAP5430 SOC
OMAP5430 is Texas Instrument's SOC based on ARM Cortex-A15 SMP
architecture. It's a dual core SOC with GIC used for interrupt
handling and with an integrated L2 cache controller.

OMAP5432 is another variant of OMAP5430, with a
memory controller supporting DDR3 and SATA.

Patch includes:
 - The machine specific headers and sources updates.
 - Platform header updates.
 - Minimum initialisation support for serial.
 - IO table init

Signed-off-by: R Sricharan <r.sricharan@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
2012-07-09 19:14:39 +05:30
R Sricharan
b13e80a8bf ARM: OMAP5: id: Add cpu id for ES versions
Adding the OMAP5 ES1.0, 2.0 and OMAP5432 cpu revision
detection support.

Signed-off-by: R Sricharan <r.sricharan@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
2012-07-09 19:14:39 +05:30
Peter Ujfalusi
6d2b6c9e69 ARM: OMAP: board-omap4panda: MUX configuration for sys_nirq2
The sys_nirq2 is used for twl6040, make sure the pin is configured
correctly.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-07-09 05:07:24 -07:00
Peter Ujfalusi
c3fa201e78 ARM: OMAP: board-4430sdp: MUX configuration for sys_nirq2
The sys_nirq2 is used for twl6040, make sure the pin is configured
correctly.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-07-09 05:07:17 -07:00
Xiao Jiang
6e15223199 ARM: OMAP: avoid build wdt platform device if with dt support
If provided dt support, then skip add wdt platform device as usual.

Signed-off-by: Xiao Jiang <jgq516@gmail.com>
Reviewed-by: Jon Hunter <jon-hunter@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-07-09 01:55:36 -07:00
Tony Lindgren
5f37609759 Merge branch 'for_3.5/fixes/pm-3' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap-pm into fixes 2012-07-06 01:58:23 -07:00
Zumeng Chen
16aced80f6 ARM: OMAP3530evm: set pendown_state and debounce time for ads7846
Currently most ads7846 config definitions for OMAP3 series boards have
been moved to common-board-devices.c, and it is transparent for init.
And it's no very proper to do gpio_request based on get_pendown_state
since omap_ads7846_init knows everything about ads7846_config.

So it's more fit to request gpio according to the right gpio_pendown
and set debounce time conditionally. If we don't set proper debouce
time, there are flooded interrupt counters of ads7846 responding to
one time touch on screen, then the driver couldn't work very well.

This patch has been validated on 3530evm.

Signed-off-by: Zumeng Chen <zumeng.chen@windriver.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-07-06 01:37:25 -07:00
Zumeng Chen
cb8ca5897b ARM: omap3evm: enable VBUS switch for EHCI tranceiver
This was chosen by following the trace on the schematic from component U131
and U134 to the CPEN pin on the USB3320 device.

TWL4030.GPIO2-...->(T2_GPIO2_3V3)U131-..>nUSB2_EN-..>U134-..>EXP_nUSB2_1V8
which starts EHCI tranceiver USB3320.

This will set TWL4030.GPIO2 as output pin to drive EHCI tranceiver.

Signed-off-by: Zumeng Chen <zumeng.chen@windriver.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-07-06 01:34:26 -07:00
Zumeng Chen
497af1f3fb ARM: OMAP3EVM: Adding USB internal LDOs board file
EHCI PHY requires these regulators:
        EVM Rev >=E  --> VAUX2
        EVM Rev < E  --> VUSB1V5, VUSB1V8

Adding USB internal LDOs (vusb1v5 & vusb1v8) and VAUX2 to omap3evm
board file. Also removing vaux2_{1/2/3} supplies as they are not
used on omap3 evm.

But we need not to add vaux2 in twl4030_platform_data since it will
be added conditionally.

Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Zumeng Chen <zumeng.chen@windriver.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-07-06 01:34:00 -07:00
Zumeng Chen
dc42c8bd38 ARM: OMAP3EVM: Add NAND flash definition
Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Tested-by: Zumeng Chen <zumeng.chen@windriver.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-07-06 01:33:15 -07:00
Tarun Kanti DebBarma
ae6df418a2 ARM: OMAP2+: dmtimer: cleanup fclk usage
With omap_hwmod_get_main_clk() now available, this can be passed to
clk_get() to extract the fclk and thus avoid construction of fclk name.
Corrected the timer fck name mis-match between clock44xx_data.c and
omap_hwmod_44xx_data.c. For other platforms this is already taken care.

Cc: Cousson, Benoit <b-cousson@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Kevin Hilman <khilman@ti.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tarun Kanti DebBarma <tarun.kanti@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-07-06 01:13:52 -07:00
Tony Lindgren
68c9a95e92 ARM: OMAP2+: Fix mismerge for omap_hwmod_get_main_clk() API
Commit ac5b0ea3d (Merge tag 'omap-devel-f-for-3.6'...) had a merge
conflict that somehow got incorrecly resolved in a lossy way for
commit bed9d1bb (ARM: OMAP2+: hwmod: add omap_hwmod_get_main_clk() API).
Fix the issue by applying the missing pieces.

Reported-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-07-06 00:58:43 -07:00
Paul Walmsley
006c7f1844 ARM: OMAP2+: hwmod code/clockdomain data: fix 32K sync timer
Kevin discovered that commit c8d82ff68f
("ARM: OMAP2/3: hwmod data: Add 32k-sync timer data to hwmod
database") broke CORE idle on OMAP3.  This prevents device low power
states.

The root cause is that the 32K sync timer IP block does not support
smart-idle mode[1], and so the hwmod code keeps the IP block in
no-idle mode while it is active.  This in turn prevents the WKUP
clockdomain from transitioning to idle.  There is a hardcoded sleep
dependency that prevents the CORE_L3 and CORE_CM clockdomains from
transitioning to idle when the WKUP clockdomain is active[2], so the
chip cannot enter any device low power states.

It turns out that there is no need to take the 32k sync timer out of
idle.  The IP block itself probably does not have any native idle
handling at all, due to its simplicity.  Furthermore, the PRCM will
never request target idle for this IP block while the kernel is
running, due to the sleep dependency that prevents the WKUP
clockdomain from idling while the CORE_L3 clockdomain is active.  So
we can safely leave the 32k sync timer in target-force-idle mode, even
while we continue to access it.

This workaround is implemented by defining a new clockdomain flag,
CLKDM_ACTIVE_WITH_MPU, that indicates that the clockdomain is
guaranteed to be active whenever the MPU is inactive.  If an IP
block's main functional clock exists inside this clockdomain, and the
IP block does not support smart-idle modes, then the hwmod code will
place the IP block into target force-idle mode even when enabled.  The
WKUP clockdomains on OMAP3/4 are marked with this flag.  (On OMAP2xxx,
no OCP header existed on the 32k sync timer.)   Other clockdomains also
should be marked with this flag, but those changes are deferred until
a later merge window, to create a minimal fix.

Another theoretically clean fix for this problem would be to implement
PM runtime-based control for 32k sync timer accesses.  These PM
runtime calls would need to located in a custom clocksource, since the
32k sync timer is currently used as an MMIO clocksource.  But in
practice, there would be little benefit to doing so; and there would
be some cost, due to the addition of unnecessary lines of code and the
additional CPU overhead of the PM runtime and hwmod code - unnecessary
in this case.

Another possible fix would have been to modify the pm34xx.c code to
force the IP block idle before entering WFI.  But this would not have
been an acceptable approach: we are trying to remove this type of
centralized IP block idle control from the PM code.

This patch is a collaboration between Kevin Hilman <khilman@ti.com>
and Paul Walmsley <paul@pwsan.com>.

Thanks to Vaibhav Hiremath <hvaibhav@ti.com> for providing comments on
an earlier version of this patch.  Thanks to Tero Kristo
<t-kristo@ti.com> for identifying a bug in an earlier version of this
patch.  Thanks to Benoît Cousson <b-cousson@ti.com> for identifying
some bugs in several versions of this patch and for implementation
comments.

References:

1. Table 16-96 "REG_32KSYNCNT_SYSCONFIG" of the OMAP34xx TRM Rev. ZU
   (SWPU223U), available from:
   http://www.ti.com/pdfs/wtbu/OMAP34x_ES3.1.x_PUBLIC_TRM_vzU.zip

2. Table 4-72 "Sleep Dependencies" of the OMAP34xx TRM Rev. ZU
   (SWPU223U)

3. ibid.

Cc: Tony Lindgren <tony@atomide.com>
Cc: Vaibhav Hiremath <hvaibhav@ti.com>
Cc: Benoît Cousson <b-cousson@ti.com>
Cc: Tero Kristo <t-kristo@ti.com>
Tested-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
2012-07-05 17:25:38 -07:00
Greg Kroah-Hartman
e765bf84d5 Merge 3.5-rc5 into usb-next
This resolves a merge issue with the option.c USB serial driver.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-05 08:58:03 -07:00
Tony Lindgren
79ab266433 OMAP AM33xx clock data
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Merge tag 'omap-devel-e-for-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into devel-am33xx-data

OMAP AM33xx clock data

Conflicts:
	arch/arm/mach-omap2/Makefile
2012-07-05 08:18:04 -07:00
Vaibhav Hiremath
ecc46cfdad ARM: OMAP2+: Remove unnecessary ifdef around __omap2_set_globals
The function __omap2_set_globals() can be common across all
platforms/architectures, even in case of omap4, internally it
calls same set of functions as in __omap2_set_globals() function
(except for sdrc).
This patch adds new config flag SOC_HAS_OMAP2_SDRC to handle sdrc,
so that we can reuse same function across omap2/3/4...

Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Cc: Kevin Hilman <khilman@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-07-05 08:05:15 -07:00
Vaibhav Hiremath
971b8a9c3e ARM: OMAP2+: am33xx: Change cpu_is_am33xx to soc_is_am33xx
As per recent discussion on the linux-omap list, we are
moving in the direction where, we will have only architecture,
ARCH_OMAP2PLUS and all devices/platforms will be treated
as a SoC underneath.

So the first step in this direction is to adopt this change
for all new devices getting in, converting
cpu_is_am33xx/335x() ==> soc_is_am33xx/335x()

Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-07-05 08:05:15 -07:00
Vaibhav Hiremath
1c213ba16e ARM: OMAP2+: am33xx: Make am33xx as a separate class
Initially, we decided to make am33xx family of device to fall
under omap3 class (cpu_is_omap34xx() = true), since it carries
Cortex-A8 core. But while adding complete baseport support
(like, clock, power and hwmod) support, it is observed that,
we are creating more and more problems by treating am33xx device
as omap3 family, as nothing matches between them
(except cortex-A8 mpu).

So,  after long discussion we have came to the conclusion that,
we should not consider am33xx device as omap3 family, instead
create separate class (SOC_AM33XX) under OMAP2PLUS.
This means, for am33xx device, cpu_is_omap34xx() will return false,
and only cpu_is_am33xx() will be true.

Please refer to the link below, for mailing-list discussion on this -

http://www.spinics.net/lists/linux-omap/msg69439.html

Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Cc: Kevin Hilman <khilman@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
[tony@atomide.com: fixed typo, updated for soc_is changes]
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-07-05 08:05:15 -07:00
Vaibhav Hiremath
353cec46d5 ARM: OMAP2+: Move omap3 dpll ops to dpll3xxx.c
In order to remove unnecessary idefs, move noncore and core
dpll ops to dpll3xxx.c file (where it should have been already).

The clkops (clkops_omap3_core_dpll_ops & clkops_omap3_noncore_dpll_ops)
is used in clock data files, and dependency is already handled by
Makefile rule.

Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Cc: Kevin Hilman <khilman@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-07-05 08:05:15 -07:00
Tony Lindgren
ac5b0ea3d0 Miscellaneous OMAP clock, hwmod, clockdomain, and powerdomain patches
for 3.6.  Mostly small infrastructure improvements, and preparation
 for OMAP5 and AM33xx code.
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Merge tag 'omap-devel-f-for-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into cleanup-part2

Miscellaneous OMAP clock, hwmod, clockdomain, and powerdomain patches
for 3.6.  Mostly small infrastructure improvements, and preparation
for OMAP5 and AM33xx code.

Conflicts:
	arch/arm/mach-omap2/omap_hwmod.c
	arch/arm/plat-omap/include/plat/omap_hwmod.h
2012-07-05 02:13:04 -07:00
Tony Lindgren
fa2976a811 A few more OMAP fixes for 3.5-rc. These fix some bugs with power
management and McBSP.
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Merge tag 'omap-fixes-b-for-3.5rc' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into fixes

A few more OMAP fixes for 3.5-rc.  These fix some bugs with power
management and McBSP.
2012-07-05 01:12:08 -07:00
Benoit Cousson
d7a0b5133f ARM: OMAP2+: hwmod data: Fix wrong McBSP clock alias on OMAP4
The commit 503d0ea24d
  ARM: OMAP4: hwmod data: Add aliases for McBSP fclk clocks

added a wrong "prcm_clk" alias for PRCM clock whereas the McBSP
driver and previous OMAPs are using "prcm_fck".

It thus lead to the following warning.

[   47.409729] omap-mcbsp: clks: could not clk_get() prcm_fck

Fix that by changing the opt_clk role to prcm_fck.

Reported-by: Misael Lopez Cruz <misael.lopez@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Cc: Peter Ujfalusi <peter.ujfalusi@ti.com>
Tested-by: Sebastien Guiriec <s-guiriec@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2012-07-04 06:55:29 -06:00
Paul Walmsley
b0a70cc80e ARM: OMAP4: hwmod data: temporarily comment out data for the usb_host_fs and aess IP blocks
The OMAP4 usb_host_fs (OHCI) and AESS IP blocks require some special
programming for them to enter idle.  Without this programming, they
will prevent the rest of the chip from entering full chip idle.

To implement the idle programming cleanly, this will take some
coordination between maintainers.  This is likely to take some time,
so it is probably best to leave this for 3.6 or 3.7.  So, in the
meantime, prevent these IP blocks from being registered.

Later, once the appropriate support is available, this patch can be
reverted.

This second version comments out the IP block data since Benoît didn't
like removing it.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Benoît Cousson <b-cousson@ti.com>
2012-07-04 06:55:29 -06:00
Paul Walmsley
8cb8de5d87 Merge branches 'hwmod_am335x_support_3.6', 'clkdm_pwrdm_devel_a_3.6' and 'misc_devel_3.6' into omap_devel_f_3.6 2012-07-04 06:05:51 -06:00
Kishon Vijay Abraham I
6668546f3b ARM: OMAP2+: hwmod code: add support to set dmadisable in hwmod framework
The DMADISABLE bit is a semi-automatic bit present in sysconfig register
of some modules. When the DMA must perform read/write accesses, the
DMADISABLE bit is cleared by the hardware. But when the DMA must stop for power
management, software must set the DMADISABLE bit back to 1.

In cases where the ROMCODE/BOOTLOADER uses dma, the hardware clears the
DMADISABLE bit (but the romcode/bootloader might not set it back to 1).
In order for the kernel to start in a clean state, it is
necessary for the kernel to set DMADISABLE bit back to 1 (irrespective
of whether it's been set to 1 in romcode or bootloader).

During _reset of the (hwmod)device, the DMADISABLE bit is set so that it
does not prevent idling of the system. (NOTE: having DMADISABLE to 0,
prevents the system to idle)

DMADISABLE bit is present in usbotgss module of omap5.

Cc: Benoit Cousson <b-cousson@ti.com>
Cc: Kevin Hilman <khilman@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
[paul@pwsan.com: updated to apply; fixed checkpatch warnings]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2012-07-04 05:09:21 -06:00
R Sricharan
3f4990f44a ARM: OMAP2+: PRM/CM: Move the stubbed prm and cm functions to prcm.c file and make them __weak
Some prm and cm registers read/write and status functions
are built only for some custom OMAP2+ builds and are stubbed
in header files for other builds under ifdef statements.
But this results in adding new CONFIG_ARCH_OMAPXXX
checks when SOCs are added in the future. So move them
to a common place for OMAP2+ and make them 'weak' implementations.

This way no new ifdefs would be required in the future and also
cleans up the existing code.

Signed-off-by: R Sricharan <r.sricharan@ti.com>
[paul@pwsan.com: unsplit quoted strings; moved PRM functions to
 mach-omap2/prm_common.c; resolved sparse warnings]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2012-07-04 05:04:00 -06:00
Tarun Kanti DebBarma
bed9d1bb4e ARM: OMAP2+: hwmod: add omap_hwmod_get_main_clk() API
Add an API to get main clock name associated with a given @oh.
This will avoid the need to construct fclk names during early
initialization in order to get fclk handle using clk_get().

Signed-off-by: Tarun Kanti DebBarma <tarun.kanti@ti.com>
Cc: Benoit Cousson <b-cousson@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Kevin Hilman <khilman@ti.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2012-07-04 05:00:48 -06:00
Vikram Pandita
55ffe163c8 ARM: OMAP3+: dpll: optimize noncore dpll locking logic
If the dpll is already locked, code can be optimized
to return much earlier than doing redundent set of lock mode
and wait on idlest.

Cc: Tony Lindgren <tony@atomide.com>
Cc: Jon Hunter <jon-hunter@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Mike Turquette <mturquette@ti.com>
Signed-off-by: Vikram Pandita <vikram.pandita@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2012-07-04 05:00:44 -06:00
Sakari Ailus
f0d3d821db ARM: OMAP3: control: add definition for CONTROL_CAMERA_PHY_CTRL
The register is used to configure the behaviour of the CSI-2 and CCP-2
receivers. This register is available only in OMAP3630.

The original patch was submitted by Vimarsh Zutshi.

Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Cc: Vimarsh Zutshi <vimarsh.zutshi@gmail.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2012-07-04 05:00:40 -06:00
Jon Hunter
d49cae924f ARM: OMAP2+: powerdomain code: Fix Wake-up power domain power status
The wake-up power domain is an alway-on power domain and so this power domain
does not have a power state status (PM_PWSTST_xxx) register that indicates the
current state. However, during the registering of the wake-up power domain the
state of the domain is queried by calling pwrdm_read_pwrst(). This actually
tries to read a register that does not exist and returns a value of 0 that
indicates that the current state is OFF. The OFF state count of the wake-up
power domain is then set to 1 and the current state to OFF. Both of which are
incorrect.

To fix this, if a power domain only supports the ON state, do not attempt to
read the power state status register and simply return ON as the current power
state.

This is based upon Tony's current linux-omap master branch.

Testing:
- Boot tested on OMAP4460 panda.
- Boot tested on OMAP3430 beagle and validated CORE RET still working (using
  Paul's 32k timer patch [1]).

[1] http://marc.info/?l=linux-omap&m=134000053229888&w=2

Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Acked-by: Kevin Hilman <khilman@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
[paul@pwsan.com: edited commit message slightly]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2012-07-04 04:12:07 -06:00
Jon Hunter
65aa94b204 ARM: OMAP4: clockdomain/CM code: Update supported transition modes
For OMAP3+ devices, the clock domains (CLKDMs) support one or more of the
following transition modes ...

NO_SLEEP (0x0) - A clock domain sleep transition is never initiated,
		 irrespective of the hardware conditions.
SW_SLEEP (0x1) - A software-forced sleep transition. The transition is initiated
		 when the associated hardware conditions are satisfied
SW_WKUP  (0x2) - A software-forced clock domain wake-up transition is initiated,
		 irrespective of the hardware conditions.
HW_AUTO  (0x3) - Hardware-controlled automatic sleep and wake-up transition is
		 initiated by the PRCM module when the associated hardware
		 conditions are satisfied.

For OMAP4 devices, SW_SLEEP is equivalent to HW_AUTO and NO_SLEEP is equivalent
to SW_WKUP. The only difference between HW_AUTO and SW_SLEEP for OMAP4 devices
is that the PRM_IRQSTATUS_MPU.TRANSITION_ST interrupt status is set in case of
SW_SLEEP transition, and not set in case of HW_AUTO transition.

For OMAP4 devices, all CLKDMs support HW_AUTO and therefore we can place the
CLKDMs in the HW_AUTO state instead of the SW_SLEEP mode. Hence, we do not
need to use the SW_SLEEP mode. With regard to NO_SLEEP and SW_WKUP it is
preferred to use SW_WKUP mode if the CLKDM supports it and so use this mode
instead of NO_SLEEP where possible.

For a software perspective the above 4 modes are represented by the following
flags to indicate what modes are supported by each of the CLKDMs.

CLKDM_CAN_DISABLE_AUTO	--> NO_SLEEP
CLKDM_CAN_ENABLE_AUTO	--> HW_AUTO
CLKDM_CAN_FORCE_SLEEP	--> SW_SLEEP
CLKDM_CAN_FORCE_WAKEUP	--> SW_WKUP

By eliminating the SW_SLEEP mode the the mapping of the flags for OMAP4 devices
can becomes ...

CLKDM_CAN_DISABLE_AUTO	--> NO_SLEEP
CLKDM_CAN_ENABLE_AUTO	--> HW_AUTO
CLKDM_CAN_FORCE_SLEEP	--> HW_AUTO
CLKDM_CAN_FORCE_WAKEUP	--> SW_WKUP

Cc: Ming Lei <ming.lei@canonical.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Benoit Cousson <b-cousson@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Kevin Hilman <khilman@ti.com>
Reviewed-by: Benoit Cousson <b-cousson@ti.com>
Reviewed-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2012-07-04 03:45:53 -06:00
Vaibhav Hiremath
248b3b3d84 ARM: OMAP2+: hwmod: Add new sysc_type3 into omap_hwmod required for am33xx
In case of AM33xx family of devices (like cpsw) have different sysc
bit field offsets defined,

sysc_type3:
|  3     2  |  1    0  |
| STDBYMODE | IDLEMODE |

So introduce new sysc_type3 in omap_hwmod common data.

Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Vaibhav Bedia <vaibhav.bedia@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2012-07-04 03:40:59 -06:00
Tony Lindgren
3f96a2d90e Here is some more omap clean-up. The biggest changes are
hwmod, clock, and System Control Module cleanup, and the removal
 of the last instance of omap_read/write usage for omap2+ with
 the removal of unused USB OHCI Full Speed driver support. The
 removed OHCI is only currently used for omap1 as the actively
 used omap2+ boards have either MUSB or another instance of
 OHCI+EHCI that's more usable.
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mergetag object c59b537d87
 type commit
 tag omap-devel-dmtimer-for-v3.6
 tagger Tony Lindgren <tony@atomide.com> 1341130362 -0700
 
 Here are some omap dmtimer changes to make it easier to add
 device tree support for dmtimer by simplifying the platform
 data structure used by dmtimr.
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mergetag object 6fd8246b1c
 type commit
 tag omap-devel-am33xx-for-v3.6
 tagger Tony Lindgren <tony@atomide.com> 1341131157 -0700
 
 Here are changes to add support for am33xx processors for the
 clock, power, and voltagedomains.
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Merge tags 'omap-cleanup-for-v3.6', 'omap-devel-dmtimer-for-v3.6' and 'omap-devel-am33xx-for-v3.6' into devel-am33xx-part2
2012-07-04 00:29:31 -07:00
Arnd Bergmann
2028103f90 Here are changes to add support for am33xx processors for the
clock, power, and voltagedomains.
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Merge tag 'omap-devel-am33xx-for-v3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc

From Tony Lindgren <tony@atomide.com>:

Here are changes to add support for am33xx processors for the
clock, power, and voltagedomains.

* tag 'omap-devel-am33xx-for-v3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP AM33xx: clockdomains: Add clockdomain data and respective operations
  ARM: OMAP AM33xx: powerdomains: add AM335x support
  ARM: OMAP AM33xx: CM: Introduce AM33xx CM APIs and register level details
  ARM: OMAP AM33xx: PRM: add PRM support
  ARM: OMAP AM33xx: voltagedomain: Add voltage domain data
  ARM: OMAP2+: control: Add AM33XX control reg & sec clkctrl offset
  ARM: OMAP2+: am33xx: Add AM335XEVM machine support
  ARM: OMAP2+: am33xx: Add low level debugging support

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-07-03 22:03:28 +02:00
Arnd Bergmann
6b21a9ce04 Here are some omap PM changes that reimplement omap PRCM I/O chain
code for wake-ups, and improve idle latencies for cpuidle.
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Merge tag 'omap-devel-pm-for-v3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/pm

From: Tony Lindgren <tony@atomide.com>:

Here are some omap PM changes that reimplement omap PRCM I/O chain
code for wake-ups, and improve idle latencies for cpuidle.

* tag 'omap-devel-pm-for-v3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP2+: PM: fix IRQ_NOAUTOEN removal by mis-merge
  ARM: OMAP3: PM: cpuidle: optimize the clkdm idle latency in C1 state
  ARM: OMAP3: PM: cpuidle: optimize the PER latency in C1 state
  ARM: OMAP3: PM: cpuidle: default to C1 in next_valid_state
  ARM: OMAP3: PM: cleanup cam_pwrdm leftovers
  ARM: OMAP3: PM: call pre/post transition per powerdomain
  ARM: OMAP2+: powerdomain: allow pre/post transtion to be per pwrdm
  ARM: OMAP3: PM: Remove IO Daisychain control from cpuidle
  ARM: OMAP3PLUS: hwmod: reconfigure IO Daisychain during hwmod mux
  ARM: OMAP3+: PRM: Enable IO wake up
  ARM: OMAP4: PRM: Add IO Daisychain support
  ARM: OMAP3: PM: Move IO Daisychain function to omap3 prm file
  ARM: OMAP3: PM: correct enable/disable of daisy io chain
  ARM: OMAP2+: PRM: fix compile for OMAP4-only build

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-07-03 22:02:17 +02:00
Arnd Bergmann
5351da96bd Here are some omap dmtimer changes to make it easier to add
device tree support for dmtimer by simplifying the platform
 data structure used by dmtimr.
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Merge tag 'omap-devel-dmtimer-for-v3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/timer

From Tony Lindgren <tony@atomide.com>:

Here are some omap dmtimer changes to make it easier to add
device tree support for dmtimer by simplifying the platform
data structure used by dmtimr.

* tag 'omap-devel-dmtimer-for-v3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP2+: Simplify dmtimer clock aliases
  ARM: OMAP2+: Move dmtimer clock set function to dmtimer driver
  ARM: OMAP1: Fix dmtimer support
  ARM: OMAP: Add flag to indicate if a timer needs a manual reset
  ARM: OMAP: Remove timer function pointer for context loss counter
  ARM: OMAP: Remove loses_context variable from timer platform data
  ARM: OMAP2+: Fix external clock support for dmtimers
  ARM: OMAP2+: HWMOD: Correct timer device attributes
  ARM: OMAP: Add DMTIMER capability variable to represent timer features
  ARM: OMAP2+: Add dmtimer platform function to reserve systimers
  ARM: OMAP2+: Remove unused max number of timers definition
  ARM: OMAP: Remove unnecessary clk structure

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-07-03 21:56:23 +02:00
Arnd Bergmann
1fe4061864 Here is some more omap clean-up. The biggest changes are
hwmod, clock, and System Control Module cleanup, and the removal
 of the last instance of omap_read/write usage for omap2+ with
 the removal of unused USB OHCI Full Speed driver support. The
 removed OHCI is only currently used for omap1 as the actively
 used omap2+ boards have either MUSB or another instance of
 OHCI+EHCI that's more usable.
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Merge tag 'omap-cleanup-for-v3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/cleanup

From Tony Lindgren <tony@atomide.com>

Here is some more omap clean-up. The biggest changes are
hwmod, clock, and System Control Module cleanup, and the removal
of the last instance of omap_read/write usage for omap2+ with
the removal of unused USB OHCI Full Speed driver support. The
removed OHCI is only currently used for omap1 as the actively
used omap2+ boards have either MUSB or another instance of
OHCI+EHCI that's more usable.

* tag 'omap-cleanup-for-v3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP2+: hwmod: remove prm_clkdm, cm_clkdm; allow hwmods to have no clockdomain
  ARM: OMAP3: Move McBSP fck clock alias to hwmod data
  ARM: OMAP2: Move McBSP fck clock alias to hwmod data for OMAP2430
  ARM: OMAP2: Move McBSP fck clock alias to hwmod data for OMAP2420
  ARM: OMAP: dsp: interface to control module functions
  ARM: OMAP2+: control: new APIs to configure boot address and mode
  ARM: OMAP2+: CLEANUP: Remove ARCH_OMAPx ifdef from struct dpll_data
  ARM: OMAP2+: hwmod: use init-time function pointer for _init_clkdm
  ARM: OMAP2+: hwmod: use init-time function pointer for hardreset
  ARM: OMAP2+: hwmod: use init-time function pointer for wait_target_ready
  ARM: OMAP4: hwmod: drop extra cpu_is check from _wait_target_disable()
  ARM: OMAP2+: hwmod: use init-time function ptrs for enable/disable module
  ARM: OMAP4: hwmod: rename _enable_module to _omap4_enable_module()
  ARM: OMAP: Make FS USB omap1 only
  ARM: OMAP2: Remove legacy USB FS support
  ARM: OMAP3: There is no FS USB controller on omap3
  ARM: OMAP: dma: Clear status registers on enable/disable irq

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-07-03 21:54:55 +02:00
Arnd Bergmann
a06347d0ca This branch contains fixes that were too intrusive or not
critical enough for the 3.5 -rc cycle. The biggest changes are
 fixes for the am35xx clock and hwmod data, and the removal of dead
 code for the 730 and 850 headers.
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Merge tag 'omap-fixes-non-critical-for-v3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/fixes-non-critical

From Tony Lindgren <tony@atomide.com>:

This branch contains fixes that were too intrusive or not
critical enough for the 3.5 -rc cycle. The biggest changes are
fixes for the am35xx clock and hwmod data, and the removal of dead
code for the 730 and 850 headers.

* tag 'omap-fixes-non-critical-for-v3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (25 commits)
  ARM: OMAP2+: fix CONFIG_CPU_IDLE dependency on CONFIG_PM
  ARM: OMAP: remove unused cpu detection macros
  ARM: OMAP: fix typos related to OMAP330
  ARM: OMAP7XX:  Remove omap730.h and omap850.h
  ARM: OMAP2+: fix naming collision of variable nr_irqs
  ARM: OMAP: omap2plus_defconfig: Enable EXT4 support
  ARM: OMAP depends on MMU
  arm: omap3: am35x: Set proper powerdomain states
  ARM: OMAP AM35x: clockdomain data: Fix clockdomain dependencies
  ARM: OMAP AM35x: EMAC/MDIO integration: Add Davinci EMAC/MDIO hwmod support
  ARM: OMAP: AM35xx: fix UART4 softreset
  ARM: OMAP AM35xx: clock and hwmod data: fix UART4 data
  ARM: OMAP AM35xx: clock and hwmod data: fix AM35xx HSOTGUSB hwmod
  ARM: OMAP: Fix dts files w/ status property: "disable" -> "disabled"
  ARM: OMAP: beagle: Set USB Host Port 1 to OMAP_USBHS_PORT_MODE_UNUSED
  ARM: OMAP2: twl-common: Fix compiler warning
  ARM: OMAP: fix the ads7846 init code
  mfd: twl: remove pdata->irq_base/_end, no more users
  ARM: OMAP2+: TWL: remove usage of pdata->irq_base/_end
  ARM: OMAP2+: OPP: Fix to ensure check of right oppdef after bad one
  ...

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-07-03 21:52:52 +02:00
Kevin Hilman
5941b8142e ARM: OMAP4: TWL6030: ensure sys_nirq1 is mux'd and wakeup enabled
The SYS_NIRQ1 pin is the interupt line for the PMIC part of the TWL6030
and interrupts from the PMIC are needed as wakeup sources.

Ensure this pin is mux'd as input and has wakeup enabled so PMIC
interupts (e.g. RTC) can be used as wakeup sources.

Tested on OMAP4430/Panda.

Signed-off-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-07-02 04:59:04 -07:00
Kevin Hilman
95669d7881 ARM: OMAP2: Overo: init I2C before MMC to fix MMC suspend/resume failure
In order for suspend/resume dependencies to work correctly, I2C has to
be initialized (more specifically, registered with the driver core)
before MMC.  Without this, the MMC driver fails to adjust the VMMC
regulator (using i2c writes) during the suspend path.

Problem found testing suspend/resume on 3730/OveroSTORM platform.

Signed-off-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-07-02 04:58:47 -07:00
Dmitry Lifshitz
3d6bbca936 ARM: OMAP3: cm-t35: add tvp5150 decoder support
Register the tvp5150 video decoder in ISP subsystem.

Signed-off-by: Dmitry Lifshitz <lifshitz@compulab.co.il>
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-07-02 04:09:06 -07:00
Dmitry Lifshitz
d396be4730 ARM: OMAP3: cm-t35: add mt9t001 camera sensor support
Setup pinmux for CPI and register the mt9t001 camera sensor
in ISP subsystem.

Signed-off-by: Dmitry Lifshitz <lifshitz@compulab.co.il>
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-07-02 04:09:04 -07:00
Andy Gross
e2fb50521c omap2+: add drm device
Register OMAP DRM/KMS platform device.  DMM is split into a
separate device using hwmod.

Signed-off-by: Andy Gross <andy.gross@ti.com>
Signed-off-by: Rob Clark <rob.clark@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-07-02 04:05:57 -07:00
Vaibhav Hiremath
e30384abd6 ARM: OMAP3+: clock33xx: Add AM33XX clock tree data
AM33XX clock implementation is different than any existing OMAP
family of devices. Although DPLL module is similar to OMAP4
device, but the usage is very much different than OMAP4.
AM33XX has different peripheral set and each module gets
integrated to the clock framework differently than OMAP
family of devices.

This patch adds full Clock tree data for AM33XX family
of devices and also integrates it into existing OMAP framework.

Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Afzal Mohammed <afzal@ti.com>
Signed-off-by: Vaibhav Bedia <vaibhav.bedia@ti.com>
Cc: Kevin Hilman <khilman@ti.com>
Cc: Rajendra Nayak <rnayak@ti.com>
CC: Tony Lindgren <tony@atomide.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Benoit Cousson <b-cousson@ti.com>
[paul@pwsan.com: updated to apply; changed 'soc_is_am33xx' to
 'cpu_is_am33xx' to match usage in Tony's current am33xx branch]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2012-06-29 16:16:40 -06:00
Kevin Hilman
d660e9b92b ARM: OMAP2+: PM: fix IRQ_NOAUTOEN removal by mis-merge
commit 99b59df0 (ARM: OMAP3: PM: fix shared PRCM interrupt leave
disabled at boot) added IRQ_NOAUTOEN to the PRCM interrupt so it could
be enabled later if needed.  However, this commit was partially undone
when merging the IO daisy chain rework in 9a17d88e (Merge tag
'omap-devel-c-for-3.6' of
git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into
devel-pm

This patch adds back the IRQ_NOAUTOEN fix that was removed by the
merge resolution.

This also fixes the following boot-time warning that showed up after
merging the IO daisy chain rework:

[    3.849334] WARNING: at kernel/irq/manage.c:436 enable_irq+0x3c/0x78()
[    3.856231] Unbalanced enable for IRQ 297
[    3.860473] Modules linked in:
[    3.863739] [<c001a114>] (unwind_backtrace+0x0/0xf0) from [<c003c7e8>] (warn_slowpath_common+0x4c/0x64)
[    3.873687] [<c003c7e8>] (warn_slowpath_common+0x4c/0x64) from [<c003c894>] (warn_slowpath_fmt+0x30/0x40)
[    3.883819] [<c003c894>] (warn_slowpath_fmt+0x30/0x40) from [<c00993e0>] (enable_irq+0x3c/0x78)
[    3.893035] [<c00993e0>] (enable_irq+0x3c/0x78) from [<c067b1e8>] (omap3_pm_init+0x328/0x5f4)
[    3.902099] [<c067b1e8>] (omap3_pm_init+0x328/0x5f4) from [<c067161c>] (init_machine_late+0x1c/0x28)
[    3.911773] [<c067161c>] (init_machine_late+0x1c/0x28) from [<c0008648>] (do_one_initcall+0x34/0x178)
[    3.921539] [<c0008648>] (do_one_initcall+0x34/0x178) from [<c066e8f4>] (kernel_init+0xfc/0x1c0)
[    3.930847] [<c066e8f4>] (kernel_init+0xfc/0x1c0) from [<c00140b0>] (kernel_thread_exit+0x0/0x8)
[    3.940246] ---[ end trace 55a0ad32ca2ca682 ]---

Reported-by: Javier Martinez Canillas <javier@dowhile0.org>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-06-29 07:19:52 -07:00
Tony Lindgren
f6f1f12f6d Some OMAP AM35xx fixes.
The powerdomain and clockdomain data for the AM35xx are finally fixed.
 The AM35xx EMAC/MDIO Ethernet controller integration code has been
 converted to use the OMAP device and hwmod framework.  Also the UART4
 and HSOTGUSB warnings have been fixed.
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Merge tag 'omap-devel-d-for-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into fixes-non-critical

Some OMAP AM35xx fixes.

The powerdomain and clockdomain data for the AM35xx are finally fixed.
The AM35xx EMAC/MDIO Ethernet controller integration code has been
converted to use the OMAP device and hwmod framework.  Also the UART4
and HSOTGUSB warnings have been fixed.
2012-06-29 06:07:08 -07:00
Kevin Hilman
e0246e8eca ARM: OMAP2+: fix CONFIG_CPU_IDLE dependency on CONFIG_PM
commit 164e0cbf60 (ARM: OMAP3/4: consolidate cpuidle Makefile) added
an OMAP-specific dependency from CPU_IDLE to CONFIG_PM.  This causes
some randconfig warnings when CONFIG_PM has unmet dependencies:

warning: (ARCH_OMAP3 && ARCH_OMAP4) selects PM which has unmet direct dependencies (PM_SLEEP || PM_RUNTIME)
warning: (ARCH_OMAP3 && ARCH_OMAP4) selects PM which has unmet direct dependencies (PM_SLEEP || PM_RUNTIME)
warning: (ARCH_OMAP3 && ARCH_OMAP4) selects PM which has unmet direct dependencies (PM_SLEEP || PM_RUNTIME)

Fix this by making the dependency on CONFIG_PM_RUNTIME (which in turn
will enable CONFIG_PM.)

Reported-by: Tony Lindgren <tony@atomide.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-06-29 05:48:26 -07:00
Chandrabhanu Mahapatra
465698ee7b ARM: OMAP2PLUS: DSS: Disable LCD3 output when resetting DSS
The dispc_disable_outputs() function currently disables all LCD managers except
LCD3. This patch adds disabling functionality for LCD3 manager thereby
maintaining consistency of Display Subsystem for in case Display Controller is
reset when LCD3 manager is in use.

Signed-off-by: Chandrabhanu Mahapatra <cmahapatra@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2012-06-29 10:37:53 +03:00
Tony Lindgren
472fd54015 Merge branch 'cleanup-hwmod' into cleanup
Conflicts:
	arch/arm/mach-omap2/dsp.c
2012-06-28 05:47:01 -07:00
Tony Lindgren
5f6129675b Merge branches 'cleanup-udc' and 'cleanup-dma' into cleanup 2012-06-28 05:46:41 -07:00
Tony Lindgren
0810048713 Merge branch 'for_3.6/cleanup/twl-irq' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap-pm into fixes-non-critical 2012-06-28 00:09:26 -07:00
Tony Lindgren
4348be7a58 Merge branch 'for_3.6/cleanup/pm' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap-pm into fixes-non-critical 2012-06-28 00:08:58 -07:00
Venkatraman S
b56f2cb71a ARM: OMAP2+: fix naming collision of variable nr_irqs
Using nr_irqs as local variable name triggers the sparse warning..
./arch/arm/mach-omap2/irq.c:265:6: warning: symbol 'nr_irqs' shadows an earlier one
./linux/include/linux/irqnr.h:26:12: originally declared here

Signed-off-by: Venkatraman S <svenkatr@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-06-28 00:08:04 -07:00
Tony Lindgren
53e6a100f7 Merge branch 'fixes-omap4-dsp' into fixes-non-critical 2012-06-28 00:07:30 -07:00
Paul Walmsley
a77e1c4d09 Merge branches 'am35xx_hwmod_data_fixes_a_3.6', 'am35xx_emac_mdio_devel_3.6' and 'am35xx_prcm_data_devel_3.6' into am35xx_devel_3.6 2012-06-28 00:13:19 -06:00
Mark A. Greer
ff7ad7e492 arm: omap3: am35x: Set proper powerdomain states
The am35x family of SoCs only support the PWRSTS_ON
state so create a new set of powerdomain structures
that ensure that only the ON state is entered.

Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
2012-06-28 00:12:35 -06:00
Mark A. Greer
16e5e2c471 ARM: OMAP AM35x: clockdomain data: Fix clockdomain dependencies
The am35x family of SoCs do not have an IVA so
a parallel set of clockdomain dependencies are
required that are simililar to OMAP3 but without
any IVA dependencies.

Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2012-06-28 00:07:32 -06:00
Mark A. Greer
31ba88083f ARM: OMAP AM35x: EMAC/MDIO integration: Add Davinci EMAC/MDIO hwmod support
Add hwmod support for the EMAC (and MDIO)
ethernet controller that's on the am35x
family of SoC's.

Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
[paul@pwsan.com: updated subject line; updated to apply on v3.5-rc4;
 added comments to hwmod data regarding IPSS]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2012-06-27 14:59:57 -06:00
Paul Walmsley
82ee620dc6 ARM: OMAP: AM35xx: fix UART4 softreset
During kernel init, the AM3505/AM3517 UART4 cannot complete its softreset:

omap_hwmod: uart4: softreset failed (waited 10000 usec)

This also results in another warning later in the boot process:

omap_hwmod: uart4: enabled state can only be entered from initialized, idle, or disabled state

From empirical observation, the AM35xx UART4 IP block requires either
uart1_fck or uart2_fck to be enabled while UART4 resets.  Otherwise
the reset will never complete.  So this patch adds uart1_fck as an
optional clock for UART4 and adds the appropriate hwmod flag to cause
uart1_fck to be enabled during the reset process.  (The choice of
uart1_fck over uart2_fck was arbitrary.)

Unfortunately this observation raises many questions.  Is it necessary
for uart1_fck or uart2_fck to be controlled with uart4_fck for the
UART4 to work correctly?  What exactly do the AM35xx UART4 clock
tree and the related PRCM idle management FSMs look like?  If anyone
has the ability to answer these questions through empirical functional
testing, or hardware information from the AM35xx designers, it would
be greatly appreciated.

Cc: Benoît Cousson <b-cousson@ti.com>
Cc: Kyle Manna <kyle.manna@fuel7.com>
Cc: Mark A. Greer <mgreer@animalcreek.com>
Cc: Ranjith Lohithakshan <ranjithl@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Tested-by: Mark A. Greer <mgreer@animalcreek.com>
2012-06-27 14:53:46 -06:00
Paul Walmsley
bf76523727 ARM: OMAP AM35xx: clock and hwmod data: fix UART4 data
Add missing terminators to the arrays of IRQ, DMA, and address space
structure records in the AM35xx UART4 hwmod data.  Without these
terminators, the following warnings appear on boot:

omap_uart.3: failed to claim resource 58
omap_device: omap_uart: build failed (-16)
WARNING: at /home/paul/linux/arch/arm/mach-omap2/serial.c:375 omap_serial_init_port+0x198/0x284()
Could not build omap_device for omap_uart: uart4.

Also, AM35xx uart4_fck has an incorrect parent clock pointer.  Fix it
and clean up a whitespace issue.

Fix some incorrectly-named macros related to AM35xx UART4.

Cc: Kyle Manna <kyle.manna@fuel7.com>
Cc: Mark A. Greer <mgreer@animalcreek.com>
Cc: Ranjith Lohithakshan <ranjithl@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Tested-by: Mark A. Greer <mgreer@animalcreek.com>
2012-06-27 14:53:46 -06:00
Paul Walmsley
89ea25835a ARM: OMAP AM35xx: clock and hwmod data: fix AM35xx HSOTGUSB hwmod
Partially fix the hwmod data for the AM35xx USB OTG hwmod.  This
should resolve the following boot warning on AM35xx platforms:

omap_hwmod: am35x_otg_hs: cannot be enabled for reset (3)

While here, also fix the clkdev records, to avoid warnings about
duplicate clock aliases.

The hwmod is also connected to the wrong interconnect.  It should be
connected to the IPSS, not the L4 CORE.  But that is left for a future
fix, since it probably has a dependency on some hwmod core changes.

Cc: Felipe Balbi <balbi@ti.com>
Cc: Hema HK <hemahk@ti.com>
Cc: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Tested-by: Mark A. Greer <mgreer@animalcreek.com>
2012-06-27 14:53:46 -06:00
Jon Hunter
e90b833ee1 ARM: OMAP4470: Fix OMAP4470 boot failure
OMAP4470 currently fails to boot, printing various messages such as ...

omap_hwmod: mpu: cannot clk_get main_clk dpll_mpu_m2_ck
omap_hwmod: mpu: cannot _init_clocks
------------[ cut here ]------------
WARNING: at arch/arm/mach-omap2/omap_hwmod.c:2062 _init+0x2a0/0x2e4()
omap_hwmod: mpu: couldn't init clocks
Modules linked in:
[<c001c7fc>] (unwind_backtrace+0x0/0xf4) from [<c0043c64>] (warn_slowpath_common+0x4c/0x64)
[<c0043c64>] (warn_slowpath_common+0x4c/0x64) from [<c0043d10>] (warn_slowpath_fmt+0x30/0x40)
[<c0043d10>] (warn_slowpath_fmt+0x30/0x40) from [<c0674208>] (_init+0x2a0/0x2e4)
[<c0674208>] (_init+0x2a0/0x2e4) from [<c067428c>] (omap_hwmod_setup_one+0x40/0x60)
[<c067428c>] (omap_hwmod_setup_one+0x40/0x60) from [<c0674280>] (omap_hwmod_setup_one+0x34/0x60)
[<c0674280>] (omap_hwmod_setup_one+0x34/0x60) from [<c06726f4>] (omap_dm_timer_init_one+0x30/0x250)
[<c06726f4>] (omap_dm_timer_init_one+0x30/0x250) from [<c0672930>] (omap2_gp_clockevent_init+0x1c/0x108)
[<c0672930>] (omap2_gp_clockevent_init+0x1c/0x108) from [<c0672c60>] (omap4_timer_init+0x10/0x5c)
[<c0672c60>] (omap4_timer_init+0x10/0x5c) from [<c066c418>] (time_init+0x20/0x30)
[<c066c418>] (time_init+0x20/0x30) from [<c0668814>] (start_kernel+0x1b0/0x304)
[<c0668814>] (start_kernel+0x1b0/0x304) from [<80008044>] (0x80008044)
---[ end trace 1b75b31a2719ed1c ]---

The problem is that currently none of the clocks are being registered for
OMAP4470 devices and so on boot-up no clocks can be found and the kernel panics.

This fix allows the kernel to boot without failure using a simple RAMDISK file
system on OMAP4470 blaze board.

Per feedback from Paul and Benoit the 4470 clock data is incomplete for new
modules such as the 2D graphics block that has been added to the 4470.
Therefore add a warning to indicate that the clock data is incomplete.

Cc: Paul Walmsley <paul@pwsan.com>
Cc: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Jon Hunter <jon-hunter@ti.com>
[tony@atomide.com: updated comments]
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-06-27 08:09:59 -07:00
Paul Walmsley
571efa0d3b ARM: OMAP3+: clock: Move common clksel_rate & clock data to common file
OMAP3, OMAP4 and AM33xx share some common data like, clksel_rate
oscillator clock input (Virtual clock nodes), required for
clock tree; so move common data to common data file so that it
can be reused.

[hvaibhav@ti.com: Created separate commit from Paul's developement
  branch]
Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2012-06-26 20:57:22 -06:00
Russ Dill
afd6bb3873 Fix OMAP EHCI suspend/resume failure (i693) '354ab856' causes
an oops on boot for all omap3xxx platforms that use usbhs_omap for
EHCI. The actual oops comes from faulty ehci-omap cleanup, but the
failure caused by the change is evidenced here:

[    3.655059] ehci-omap ehci-omap.0: utmi_p1_gfclk failed error:-2
[    3.661376] ehci-omap: probe of ehci-omap.0 failed with error -2

utmi_p1_gfclk is a clock that exists on OMAP4, but not OMAP3. In the
OMAP3 case, it is configured as a dummy clock. However, OMAP4 lists
the dev_id as NULL, but OMAP3 lists it as "usbhs_omap".

Attempting to get that clock from ehci-omap then fails. The solution
is to just change the clock3xxx_data.c for dummy clocks used in the
errata fix to match the dev_id, NULL, used in clock44xx_data.c.

Tested on BB-xM.

Signed-off-by: Russ Dill <Russ.Dill@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-26 19:44:18 -07:00
Tony Lindgren
9e74f218ab Merge branch 'for_3.6/pm/sr-move' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap-pm into devel-driver 2012-06-26 06:55:23 -07:00
Kevin Hilman
bb44c30e53 ARM: OMAP2+: nand: fix build error when CONFIG_MTD_ONENAND_OMAP2=n
commit 8259573b (ARM: OMAP2+: nand: Make board_onenand_init() visible
to board code) broke the build for configs with OneNAND disabled.  By
removing the static in the header file, it created a duplicate definition
in the .c and the .h files, resuling in a build error:

/work/kernel/omap/dev/arch/arm/mach-omap2/board-flash.c:102:111: error: redefinition of 'board_onenand_init'
/work/kernel/omap/dev/arch/arm/mach-omap2/board-flash.h:56:51: note: previous definition of 'board_onenand_init' was here
make[2]: *** [arch/arm/mach-omap2/board-flash.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [arch/arm/mach-omap2] Error 2
make: *** [sub-make] Error 2

Fix this by removing the duplicate dummy entry from the C file.

Cc: Enric Balletbò i Serra <eballetbo@gmail.com>
Cc: Javier Martinez Canillas <javier@dowhile0.org>
Signed-off-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-06-26 03:29:57 -07:00
Tony Lindgren
b955eefc46 ARM: OMAP2: Use hwmod to initialize mmc for 2420
This allows us to pass dma request lines in platform data to
MMC driver the same way as we already do for omap2430 and later.

Also note that we need to only build this code if MMC_OMAP
is selected, so change Makefile accordingly and place it near
the MMC_OMAP_HS in the Makefile.

Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-06-26 03:14:20 -07:00
Jean Pihet
05011f711f ARM: OMAP3: PM: cpuidle: optimize the clkdm idle latency in C1 state
For a power domain to idle all the clock domains in it must idle.
This patch implements an optimization of the cpuidle code by
denying and later allowing only the first registered clock domain
of a power domain, and so optimizes the latency of the low power code.

The functions _cpuidle_allow_idle and _cpuidle_deny_idle are
not used anymore and so are removed.

Signed-off-by: Jean Pihet <j-pihet@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
2012-06-25 11:24:24 -07:00
Jean Pihet
13d65c897e ARM: OMAP3: PM: cpuidle: optimize the PER latency in C1 state
One of the main contributors of the low power code latency is
the PER power domain. To optimize the high-performance and
low-latency C1 state, prevent any PER state which is lower
than the CORE state in C1.

Reported and suggested by Kevin Hilman.

Reported-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Jean Pihet <j-pihet@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
2012-06-25 11:24:24 -07:00
Jean Pihet
063a5d0116 ARM: OMAP3: PM: cpuidle: default to C1 in next_valid_state
If the next state is no found in the next_valid_state function,
fallback to the default value of C1 (which is state 0).
This prevents the use of a bogus state -1 in the rest of the cpuidle
code.

Signed-off-by: Jean Pihet <j-pihet@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
2012-06-25 11:24:24 -07:00
Kevin Hilman
34059a878f ARM: OMAP3: PM: cleanup cam_pwrdm leftovers
commit e7410cf7 (OMAP3: PM: move device-specific special cases from PM
core into CPUidle) moved mangement of cam_pwrdm to CPUidle but left
some remnants behind, namely the call to clkcm_allo_idle() for the
clockdomains in the MPU pwrdm.  Remove these since they are not
necessary and cause unwanted latency in the idle path.

Acked-by: Tero Kristo <Tero Kristo <t-kristo@ti.com>
Reviewed-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Tested-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Tested-by: Grazvydas Ignotas <notasas@gmail.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
2012-06-25 11:24:23 -07:00
Kevin Hilman
58f0829b71 ARM: OMAP3: PM: call pre/post transition per powerdomain
We only need to call the pre/post transtion methods when we know the
power state is changing.  First, split up the pre/post transition
calls to be per-powerdomain, and then make them conditional on whether
the power domain is actually changing states.

Reviewed-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Tested-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Tested-by: Grazvydas Ignotas <notasas@gmail.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
2012-06-25 11:24:23 -07:00
Kevin Hilman
e055548953 ARM: OMAP2+: powerdomain: allow pre/post transtion to be per pwrdm
Iteration over all power domains in the idle path is unnecessary since
only power domains that are transitioning need to be accounted for.
Also PRCM register accesses are known to be expensive, so the
additional latency added to the idle path is signficiant.

In order allow the pre/post transitions to be isolated and called
per-pwrdm, change the API so passing in a specific power domain will
trigger the pre/post transtion accounting for only that specific power
domain.  Passing NULL means iterating over all power domains as is
current behavior.

Reviewed-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Tested-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Tested-by: Grazvydas Ignotas <notasas@gmail.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
2012-06-25 11:22:48 -07:00
Tony Lindgren
9a17d88e05 Reimplement the OMAP PRCM I/O chain code. Needed for I/O wakeups to
work correctly.
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Merge tag 'omap-devel-c-for-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into devel-pm

Reimplement the OMAP PRCM I/O chain code.  Needed for I/O wakeups to
work correctly.

Conflicts:
	arch/arm/mach-omap2/prm2xxx_3xxx.c
2012-06-25 07:41:17 -07:00
Tony Lindgren
5f7b900429 Convert the OMAP HDQ1W driver to use runtime PM. Make it available on
all OMAP2+ chips that appear to have it integrated.  Fix a problem
 preventing it from being used on OMAP4.
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Merge tag 'omap-devel-b-for-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into devel-driver

Convert the OMAP HDQ1W driver to use runtime PM.  Make it available on
all OMAP2+ chips that appear to have it integrated.  Fix a problem
preventing it from being used on OMAP4.
2012-06-25 07:32:51 -07:00
Olof Johansson
a34a3b7264 Some uncontroversial OMAP clock, hwmod, and compiler warning fixes for 3.5-rc
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Merge tag 'omap-fixes-a-for-3.5rc' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into fixes

From Paul Walmsley (as per Tony Lindgren's request):
 "Some uncontroversial OMAP clock, hwmod, and compiler warning fixes for 3.5-rc"

* tag 'omap-fixes-a-for-3.5rc' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending:
  ARM: OMAP4: hwmod data: Force HDMI in no-idle while enabled
  ARM: OMAP2+: mux: fix sparse warning
  ARM: OMAP2+: CM: increase the module disable timeout
  ARM: OMAP4: clock data: add clockdomains for clocks used as main clocks
  ARM: OMAP4: hwmod data: fix 32k sync timer idle modes
  ARM: OMAP4+: hwmod: fix issue causing IPs not going back to Smart-Standby
  ARM: OMAP: PM: Lock clocks list while generating summary
2012-06-23 16:16:29 -07:00
Olof Johansson
e23d7096f9 Here are a few fixes with the biggest one being fix for Beagle DVI
reset. All of them are regression fixes, except for the missing omap2
 interrupt controller binding that somehow got missed earlier.
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Merge tag 'omap-fixes-for-v3.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes

From Tony Lindgren:
"Here are a few fixes with the biggest one being fix for Beagle DVI
 reset. All of them are regression fixes, except for the missing omap2
 interrupt controller binding that somehow got missed earlier."

* tag 'omap-fixes-for-v3.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP: Fix Beagleboard DVI reset gpio
  arm/dts: OMAP2: Fix interrupt controller binding
  ARM: OMAP2: Fix tusb6010 GPIO interrupt for n8x0
  ARM: OMAP2+: Fix MUSB ifdefs for platform init code
2012-06-23 16:11:50 -07:00
Vishwanath BS
fafcdd5322 ARM: OMAP3: PM: Remove IO Daisychain control from cpuidle
As IO Daisy chain sequence is triggered via hwmod mux, there is no need to
control it from cpuidle path for OMAP3.

Also as omap3_disable_io_chain is no longer being used, just remove the
function.

Signed-off-by: Vishwanath BS <vishwanath.bs@ti.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Reviewed-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2012-06-22 08:40:36 -06:00
Vishwanath BS
5165882a38 ARM: OMAP3PLUS: hwmod: reconfigure IO Daisychain during hwmod mux
IO Daisychain feature has to be triggered whenever there is a change in
device's mux configuration (See section 3.9.4 in OMAP4 Public TRM vP).

Now devices can idle independent of the powerdomain, there can be a
window where device is idled and corresponding powerdomain can be
ON/INACTIVE state. In such situations, since both module wake up is
enabled at padlevel as well as io daisychain sequence is triggered,
there will be 2 PRCM interrupts (Module async wake up via swakeup and
IO Pad interrupt). But as PRCM Interrupt handler clears the Module
Padlevel WKST bit in the first interrupt, module specific interrupt
handler will not triggered for the second time

Also look at detailed explanation given by Rajendra at
http://www.spinics.net/lists/linux-serial/msg04480.html

Signed-off-by: Vishwanath BS <vishwanath.bs@ti.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Reviewed-by: Rajendra Nayak <rnayak@ti.com>
[paul@pwsan.com: remove dependency on pm.c & pm.h; add kerneldoc]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2012-06-22 08:40:04 -06:00