Parent and device were pointing to the same device structure.
Parent is unused, removed.
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Tested-by: Stephen Barber <smbarber@chromium.org>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-by: Puthikorn Voravootivat <puthik@chromium.org>
Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This adds OnKey driver support for DA9063.
Signed-off-by: Steve Twiss <stwiss.opensource@diasemi.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The STMPE MFD is only used with device tree configured systems (and STMPE
MFD core depends on OF), so force the configuration to come from device
tree only.
Tested-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This patch adds new power supply charger driver support
for X-Power AXP288 PMIC integrated charger.
This driver interfaces with the axp20x mfd driver as a cell
and listens to extcon cable events for setting up charging.
Signed-off-by: Ramakrishna Pallala <ramakrishna.pallala@intel.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
The at91rm9200 SoC embeds a Memory Controller block which is used to
configure several aspects of the platform:
- AHB/APB Bus behavior
- SDRAM Controller
- EBI (External Bus Interface) and SMC (Static Memory Controller) config
Those registers might be accessed by different drivers, hence we need to
define it as a syscon device.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
This patch add support for select accessory detect mode to HPDETL or HPDETR.
Arizona provides a headphone detection circuit on the HPDETL and HPDETR pins
to measure the impedance of an external load connected to the headphone.
Depending on board design, headphone detect pins can change to HPDETR or HPDETL.
Signed-off-by: Inha Song <ideal.song@samsung.com>
Acked-by: Lee Jones <lee@kernel.org>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
This patch adds the extcon support for AXP288 PMIC which
has the BC1.2 charger detection capability. Additionally
it also adds the USB mux switching support b/w SOC and PMIC
based on GPIO control.
Signed-off-by: Ramakrishna Pallala <ramakrishna.pallala@intel.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
[cw00.choi: Modify the log message to keep the consistent log message pattern]
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Add support for the AXP22x PMIC devices to the existing AXP20x driver.
This includes the AXP221 and AXP223, which are identical except for
the external data bus. Only AXP221 is added for now. AXP223 will be
added after it's Reduced Serial Bus (RSB) interface is supported.
AXP22x defines a new set of registers, power supplies and regulators,
but most of the API is similar to the AXP20x ones.
A new irq chip definition is used, even though the available interrupts
on AXP22x is a subset of those on AXP20x. This is done so the interrupt
numbers match those on the datasheet.
This patch only enables the interrupts, system power-off function, and PEK
sub-device. The regulator driver must first support different variants
before we enable it from the mfd driver.
Signed-off-by: Boris BREZILLON <boris.brezillon@free-electrons.com>
[wens@csie.org: fix interrupts and move regulators to separate patch]
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Here's a set of updates to the Chrome OS platform drivers for this merge window.
Main new things this cycle is:
- Driver changes to expose the lightbar to users. With this, you can make your
own blinkenlights on Chromebook Pixels.
- Changes in the way that the atmel_mxt trackpads are probed. The laptop driver
is trying to be smart and not instantiate the devices that don't answer to
probe. For the trackpad that can come up in two modes (bootloader or regular),
this gets complicated since the driver already knows how to handle the two
modes including the actual addresses used. So now the laptop driver needs to
know more too, instantiating the regular address even if the bootloader one
is the probe that passed.
- mfd driver improvements by Javier Martines Canillas, and a few bugfixes
from him, kbuild and myself.
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Merge tag 'chrome-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/olof/chrome-platform
Pull chrome platform updates from Olof Johansson:
"Here's a set of updates to the Chrome OS platform drivers for this
merge window.
Main new things this cycle is:
- Driver changes to expose the lightbar to users. With this, you can
make your own blinkenlights on Chromebook Pixels.
- Changes in the way that the atmel_mxt trackpads are probed. The
laptop driver is trying to be smart and not instantiate the devices
that don't answer to probe. For the trackpad that can come up in
two modes (bootloader or regular), this gets complicated since the
driver already knows how to handle the two modes including the
actual addresses used. So now the laptop driver needs to know more
too, instantiating the regular address even if the bootloader one
is the probe that passed.
- mfd driver improvements by Javier Martines Canillas, and a few
bugfixes from him, kbuild and myself"
* tag 'chrome-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/olof/chrome-platform:
platform/chrome: chromeos_laptop - instantiate Atmel at primary address
platform/chrome: cros_ec_lpc - Depend on X86 || COMPILE_TEST
platform/chrome: cros_ec_lpc - Include linux/io.h header file
platform/chrome: fix platform_no_drv_owner.cocci warnings
platform/chrome: cros_ec_lightbar - fix duplicate const warning
platform/chrome: cros_ec_dev - fix Unknown escape '%' warning
platform/chrome: Expose Chrome OS Lightbar to users
platform/chrome: Create sysfs attributes for the ChromeOS EC
mfd: cros_ec: Instantiate ChromeOS EC character device
platform/chrome: Add Chrome OS EC userspace device interface
platform/chrome: Add cros_ec_lpc driver for x86 devices
mfd: cros_ec: Add char dev and virtual dev pointers
mfd: cros_ec: Use fixed size arrays to transfer data with the EC
Driver updates for v4.1. Some of these are for drivers/soc, where we find more
and more SoC-specific drivers these days. Some are for other driver subsystems
where we have received acks from the appropriate maintainers.
The larger parts of this branch are:
- MediaTek support for their PMIC wrapper interface, a high-level interface
for talking to the system PMIC over a dedicated I2C interface.
- Qualcomm SCM driver has been moved to drivers/firmware. It's used for CPU
up/down and needs to be in a shared location for arm/arm64 common code.
- Cleanup of ARM-CCI PMU code.
- Anoter set of cleanusp to the OMAP GPMC code.
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Olof Johansson:
"Driver updates for v4.1. Some of these are for drivers/soc, where we
find more and more SoC-specific drivers these days. Some are for
other driver subsystems where we have received acks from the
appropriate maintainers.
The larger parts of this branch are:
- MediaTek support for their PMIC wrapper interface, a high-level
interface for talking to the system PMIC over a dedicated I2C
interface.
- Qualcomm SCM driver has been moved to drivers/firmware. It's used
for CPU up/down and needs to be in a shared location for arm/arm64
common code.
- cleanup of ARM-CCI PMU code.
- another set of cleanusp to the OMAP GPMC code"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (43 commits)
soc/mediatek: Remove unused variables
clocksource: atmel-st: select MFD_SYSCON
soc: mediatek: Add PMIC wrapper for MT8135 and MT8173 SoCs
arm-cci: Fix CCI PMU event validation
arm-cci: Split the code for PMU vs driver support
arm-cci: Get rid of secure transactions for PMU driver
arm-cci: Abstract the CCI400 PMU specific definitions
arm-cci: Rearrange code for splitting PMU vs driver code
drivers: cci: reject groups spanning multiple HW PMUs
ARM: at91: remove useless include
clocksource: atmel-st: remove mach/hardware dependency
clocksource: atmel-st: use syscon/regmap
ARM: at91: time: move the system timer driver to drivers/clocksource
ARM: at91: properly initialize timer
ARM: at91: at91rm9200: remove deprecated arm_pm_restart
watchdog: at91rm9200: implement restart handler
watchdog: at91rm9200: use the system timer syscon
mfd: syscon: Add atmel system timer registers definition
ARM: at91/dt: declare atmel,at91rm9200-st as a syscon
soc: qcom: gsbi: Add support for ADM CRCI muxing
...
Our SoC branch usually contains expanded support for new SoCs and other core
platform code. In this case, that includes:
- Support for the new Annapurna Labs "Alpine" platform
- A rework greatly simplifying adding new platform support to the MCPM
subsystem (Multi-cluster power management)
- Cpuidle and PM improvements for Exynos3250
- Misc updates for Renesas, OMAP, Meson, i.MX. Some of these could have
gone in other branches but ended up here for various reasons.
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform updates from Olof Johansson:
"Our SoC branch usually contains expanded support for new SoCs and
other core platform code. In this case, that includes:
- support for the new Annapurna Labs "Alpine" platform
- a rework greatly simplifying adding new platform support to the
MCPM subsystem (Multi-cluster power management)
- cpuidle and PM improvements for Exynos3250
- misc updates for Renesas, OMAP, Meson, i.MX. Some of these could
have gone in other branches but ended up here for various reasons"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (53 commits)
ARM: alpine: add support for generic pci
ARM: Exynos: migrate DCSCB to the new MCPM backend abstraction
ARM: vexpress: migrate DCSCB to the new MCPM backend abstraction
ARM: vexpress: DCSCB: tighten CPU validity assertion
ARM: vexpress: migrate TC2 to the new MCPM backend abstraction
ARM: MCPM: move the algorithmic complexity to the core code
ARM: EXYNOS: allow cpuidle driver usage on Exynos3250 SoC
ARM: EXYNOS: add AFTR mode support for Exynos3250
ARM: EXYNOS: add code for setting/clearing boot flag
ARM: EXYNOS: fix CPU1 hotplug on Exynos3250
ARM: S3C64XX: Use fixed IRQ bases to avoid conflicts on Cragganmore
ARM: cygnus: fix const declaration bcm_cygnus_dt_compat
ARM: DRA7: hwmod: Fix the hwmod class for GPTimer4
ARM: DRA7: hwmod: Add data for GPTimers 13 through 16
ARM: EXYNOS: Remove left over 'extra_save'
ARM: EXYNOS: Constify exynos_pm_data array
ARM: EXYNOS: use static in suspend.c
ARM: EXYNOS: Use platform device name as power domain name
ARM: EXYNOS: add support for async-bridge clocks for pm_domains
ARM: omap-device: add missed callback for suspend-to-disk
...
Here's the big char/misc driver patchset for 4.1-rc1.
Lots of different driver subsystem updates here, nothing major, full
details are in the shortlog below.
All of this has been in linux-next for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH:
"Here's the big char/misc driver patchset for 4.1-rc1.
Lots of different driver subsystem updates here, nothing major, full
details are in the shortlog.
All of this has been in linux-next for a while"
* tag 'char-misc-4.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (133 commits)
mei: trace: remove unused TRACE_SYSTEM_STRING
DTS: ARM: OMAP3-N900: Add lis3lv02d support
Documentation: DT: lis302: update wakeup binding
lis3lv02d: DT: add wakeup unit 2 and wakeup threshold
lis3lv02d: DT: use s32 to support negative values
Drivers: hv: hv_balloon: correctly handle num_pages>INT_MAX case
Drivers: hv: hv_balloon: correctly handle val.freeram<num_pages case
mei: replace check for connection instead of transitioning
mei: use mei_cl_is_connected consistently
mei: fix mei_poll operation
hv_vmbus: Add gradually increased delay for retries in vmbus_post_msg()
Drivers: hv: hv_balloon: survive ballooning request with num_pages=0
Drivers: hv: hv_balloon: eliminate jumps in piecewiese linear floor function
Drivers: hv: hv_balloon: do not online pages in offline blocks
hv: remove the per-channel workqueue
hv: don't schedule new works in vmbus_onoffer()/vmbus_onoffer_rescind()
hv: run non-blocking message handlers in the dispatch tasklet
coresight: moving to new "hwtracing" directory
coresight-tmc: Adding a status interface to sysfs
coresight: remove the unnecessary configuration coresight-default-sink
...
The S2MPS13 RTC is almost the same as S2MPS14. The differences when
updating alarm are:
1. Set WUDR+AUDR field instead of WUDR+RUDR.
2. Clear the AUDR field later (it is not auto-cleared).
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Cc: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull input subsystem updates from Dmitry Torokhov:
"You will get the following new drivers:
- Qualcomm PM8941 power key drver
- ChipOne icn8318 touchscreen controller driver
- Broadcom iProc touchscreen and keypad drivers
- Semtech SX8654 I2C touchscreen controller driver
ALPS driver now supports newer SS4 devices; Elantech got a fix that
should make it work on some ASUS laptops; and a slew of other
enhancements and random fixes"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (51 commits)
Input: alps - non interleaved V2 dualpoint has separate stick button bits
Input: alps - fix touchpad buttons getting stuck when used with trackpoint
Input: atkbd - document "no new force-release quirks" policy
Input: ALPS - make alps_get_pkt_id_ss4_v2() and others static
Input: ALPS - V7 devices can report 5-finger taps
Input: ALPS - add support for SS4 touchpad devices
Input: ALPS - refactor alps_set_abs_params_mt()
Input: elantech - fix absolute mode setting on some ASUS laptops
Input: atmel_mxt_ts - split out touchpad initialisation logic
Input: atmel_mxt_ts - implement support for T100 touch object
Input: cros_ec_keyb - fix clearing keyboard state on wakeup
Input: gscps2 - drop pci_ids dependency
Input: synaptics - allocate 3 slots to keep stability in image sensors
Input: Revert "Revert "synaptics - use dmax in input_mt_assign_slots""
Input: MT - make slot assignment work for overcovered solutions
mfd: tc3589x: enforce device-tree only mode
Input: tc3589x - localize platform data
Input: tsc2007 - Convert msecs to jiffies only once
Input: edt-ft5x06 - remove EV_SYN event report
Input: edt-ft5x06 - allow to setting the maximum axes value through the DT
...
Here's the big USB (and PHY) driver patchset for 4.1-rc1.
Everything here has been in linux-next, and the full details are below
in the shortlog. Nothing major, just the normal round of new
drivers,api updates, and other changes, mostly in the USB gadget area,
as usual.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB driver updates from Greg KH:
"Here's the big USB (and PHY) driver patchset for 4.1-rc1.
Everything here has been in linux-next, and the full details are below
in the shortlog. Nothing major, just the normal round of new
drivers,api updates, and other changes, mostly in the USB gadget area,
as usual"
* tag 'usb-4.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (252 commits)
drivers/usb/core: devio.c: Removed an uneeded space before tab
usb: dwc2: host: sleep USB_RESUME_TIMEOUT during resume
usb: chipidea: debug: add low power mode check before print registers
usb: chipidea: udc: bypass pullup DP when gadget connect in OTG fsm mode
usb: core: hub: use new USB_RESUME_TIMEOUT
usb: isp1760: hcd: use new USB_RESUME_TIMEOUT
usb: dwc2: hcd: use new USB_RESUME_TIMEOUT
usb: host: sl811: use new USB_RESUME_TIMEOUT
usb: host: r8a66597: use new USB_RESUME_TIMEOUT
usb: host: oxu210hp: use new USB_RESUME_TIMEOUT
usb: host: fusbh200: use new USB_RESUME_TIMEOUT
usb: host: fotg210: use new USB_RESUME_TIMEOUT
usb: host: isp116x: use new USB_RESUME_TIMEOUT
usb: musb: use new USB_RESUME_TIMEOUT
usb: host: uhci: use new USB_RESUME_TIMEOUT
usb: host: ehci: use new USB_RESUME_TIMEOUT
usb: host: xhci: use new USB_RESUME_TIMEOUT
usb: define a generic USB_RESUME_TIMEOUT macro
usb: musb: dsps: fix build on i386 when COMPILE_TEST is set
ehci-hub: use USB_DT_HUB
...
* new API for safe access of power supply function attrs
* devres support for power supply (un)registration
* new drivers / chips
- generic syscon based poweroff driver
- iio & charger driver for da9150
- fuel gauge driver for axp288
- bq27x00: add support for bq27510
- bq2415x: add support for bq24157s
* twl4030-madc-battery: convert to iio consumer
* misc fixes
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Merge tag 'for-v4.1' of git://git.infradead.org/battery-2.6
Pull power supply and reset changes from Sebastian Reichel:
- new API for safe access of power supply function attrs
- devres support for power supply (un)registration
- new drivers / chips:
- generic syscon based poweroff driver
- iio & charger driver for da9150
- fuel gauge driver for axp288
- bq27x00: add support for bq27510
- bq2415x: add support for bq24157s
- twl4030-madc-battery: convert to iio consumer
- misc fixes
* tag 'for-v4.1' of git://git.infradead.org/battery-2.6: (66 commits)
power: twl4030_madc_battery: Add missing MODULE_ALIAS
power: twl4030-madc-battery: Convert to iio consumer.
dt: power: Add docs for generic SYSCON poweroff driver.
power: reset: Add generic SYSCON register mapped poweroff.
power: max17042_battery: add missed blank
power: max17042_battery: Use reg type instead of chip type
power/reset: at91: big endian fixes for atsama5d3x
power_supply: charger-manager: Fix dereferencing of ERR_PTR
HID: input: Fix NULL pointer dereference when power_supply_register fails
power: constify of_device_id array
power/reset/rmobile-reset.c: Fix !HAS_IOMEM build
power_supply: 88pm860x_charger: Fix possible NULL pointer dereference and use of initialized variable
arm: mach-pxa: Decrement the power supply's device reference counter
mfd: ab8500: Decrement the power supply's device reference counter
power_supply: bq2415x_charger: Decrement the power supply's device reference counter
power_supply: 88pm860x_charger: Decrement the power supply's device reference counter
x86/olpc/xo15/sci: Use newly added power_supply_put API
x86/olpc/xo1/sci: Use newly added power_supply_put API
power_supply: charger-manager: Decrement the power supply's device reference counter
power_supply: Increment power supply use counter when obtaining references
...
============
*) Add driver for USB PHYs on sun9i
*) Add driver for USB PHY on dm816x
*) Modified exynos5-usbdrd driver to add support for Exynos5433 SoC
Fixes
=====
*) Fix power_on/power_off failure paths in some drivers
*) Make miphy365x use generic PHY type constants
*) Fix build errors due to missing export symbols in qcom-ufs driver
*) Make all the functions return proper error values
Cleanups
========
*) use PTR_ERR_OR_ZERO to simplify code
*) use devm_kcalloc instead of devm_kzalloc with multiply
*) remove un-necessary ifdef CONFIG_OF
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Merge tag 'for-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy into usb-next
Kishon writes:
New Features
============
*) Add driver for USB PHYs on sun9i
*) Add driver for USB PHY on dm816x
*) Modified exynos5-usbdrd driver to add support for Exynos5433 SoC
Fixes
=====
*) Fix power_on/power_off failure paths in some drivers
*) Make miphy365x use generic PHY type constants
*) Fix build errors due to missing export symbols in qcom-ufs driver
*) Make all the functions return proper error values
Cleanups
========
*) use PTR_ERR_OR_ZERO to simplify code
*) use devm_kcalloc instead of devm_kzalloc with multiply
*) remove un-necessary ifdef CONFIG_OF
The RTC on S2MPS11 is the same as S2MPS14. However interrupt numbers of
RTC alarms 0 and 1 were inversed between these two devices. So when
rtc-s5m driver requested S2MPS14_IRQ_RTCA0 interrupt, it matched to
S2MPS11_IRQ_RTCA1, not RTCA0.
Fix this by using consistent RTC alarm interrupt numbers and adding a
BUILD_BUG_ON for future generations.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Merge tag 'v4.0-rc7' into next
Sync up with Linux 4.0-rc7 to bring in ALPS changes.
This driver can only get its platform data from the device tree, and all
platforms using it do that. Localize the platform data for the keypad. A
later patch will enforce the device tree / OF dependence.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Drop support for SW controlled VCORE, nobody uses it.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
gpio_defaults needs to be specified as an unsigned int rather than an
int, because the intention of the DT binding is that all out of range
values for a 16-bit register will cause the defaults to be used,
however, if gpio_defaults is an int then values that are larger than
INT_MAX will become negative numbers and be written out directly to the
hardware. As no where in the code replies on gpio_defaults being an int,
the simplest fix is to just change it to unsigned.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The max77693 regulator driver no longer supports board files. Remove the
left-overs. Additionally fix name of device in comment.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
This patch adds driver data to support for Exynos5433 SoC.
The Exynos5433 has one USB3.0 Host and USB3.0 DRD(Dual Role Device).
Exynos5433 is simplar to Eyxnos7 but Exynos5433 have
one more USB3.0 Host controller.
Signed-off-by: Jaewon Kim <jaewon02.kim@samsung.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
The mutex lock is not used at all, remove it.
The *vmmc_regulator is not necessary, use a local variable in
stw481x_vmmc_regulator_probe() instead.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Palmas driver is used to cater to even TPS659038 but TPS659038 does not have
REGEN3 resource. Adding another field in the driver data to check on that.
Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
The register offset for REGEN2_CTRL in different for TPS659038 chip as when
compared with other Palmas family PMICs. In the case of TPS659038 the wrong
offset pointed to PLLEN_CTRL and was causing a hang. Correcting the same.
Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
AT91RM920 has a memory range reserved for timer and watchdog configuration.
Expose those registers so that drivers can make use of the system timer syscon
declared in at91 DTs.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Change the ownership of power_supply structure from each driver
implementing the class to the power supply core.
The patch changes power_supply_register() function thus all drivers
implementing power supply class are adjusted.
Each driver provides the implementation of power supply. However it
should not be the owner of power supply class instance because it is
exposed by core to other subsystems with power_supply_get_by_name().
These other subsystems have no knowledge when the driver will unregister
the power supply. This leads to several issues when driver is unbound -
mostly because user of power supply accesses freed memory.
Instead let the core own the instance of struct 'power_supply'. Other
users of this power supply will still access valid memory because it
will be freed when device reference count reaches 0. Currently this
means "it will leak" but power_supply_put() call in next patches will
solve it.
This solves invalid memory references in following race condition
scenario:
Thread 1: charger manager
Thread 2: power supply driver, used by charger manager
THREAD 1 (charger manager) THREAD 2 (power supply driver)
========================== ==============================
psy = power_supply_get_by_name()
Driver unbind, .remove
power_supply_unregister()
Device fully removed
psy->get_property()
The 'get_property' call is executed in invalid context because the driver was
unbound and struct 'power_supply' memory was freed.
This could be observed easily with charger manager driver (here compiled
with max17040 fuel gauge):
$ cat /sys/devices/virtual/power_supply/cm-battery/capacity &
$ echo "1-0036" > /sys/bus/i2c/drivers/max17040/unbind
[ 55.725123] Unable to handle kernel NULL pointer dereference at virtual address 00000000
[ 55.732584] pgd = d98d4000
[ 55.734060] [00000000] *pgd=5afa2831, *pte=00000000, *ppte=00000000
[ 55.740318] Internal error: Oops: 80000007 [#1] PREEMPT SMP ARM
[ 55.746210] Modules linked in:
[ 55.749259] CPU: 1 PID: 2936 Comm: cat Tainted: G W 3.19.0-rc1-next-20141226-00048-gf79f475f3c44-dirty #1496
[ 55.760190] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree)
[ 55.766270] task: d9b76f00 ti: daf54000 task.ti: daf54000
[ 55.771647] PC is at 0x0
[ 55.774182] LR is at charger_get_property+0x2f4/0x36c
[ 55.779201] pc : [<00000000>] lr : [<c034b0b4>] psr: 60000013
[ 55.779201] sp : daf55e90 ip : 00000003 fp : 00000000
[ 55.790657] r10: 00000000 r9 : c06e2878 r8 : d9b26c68
[ 55.795865] r7 : dad81610 r6 : daec7410 r5 : daf55ebc r4 : 00000000
[ 55.802367] r3 : 00000000 r2 : daf55ebc r1 : 0000002a r0 : d9b26c68
[ 55.808879] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
[ 55.815994] Control: 10c5387d Table: 598d406a DAC: 00000015
[ 55.821723] Process cat (pid: 2936, stack limit = 0xdaf54210)
[ 55.827451] Stack: (0xdaf55e90 to 0xdaf56000)
[ 55.831795] 5e80: 60000013 c01459c4 0000002a c06f8ef8
[ 55.839956] 5ea0: db651000 c06f8ef8 daebac00 c04cb668 daebac08 c0346864 00000000 c01459c4
[ 55.848115] 5ec0: d99eaa80 c06f8ef8 00000fff 00001000 db651000 c027f25c c027f240 d99eaa80
[ 55.856274] 5ee0: d9a06c00 c0146218 daf55f18 00001000 d99eaa80 db4c18c0 00000001 00000001
[ 55.864468] 5f00: daf55f80 c0144c78 c0144c54 c0107f90 00015000 d99eaab0 00000000 00000000
[ 55.872603] 5f20: 000051c7 00000000 db4c18c0 c04a9370 00015000 00001000 daf55f80 00001000
[ 55.880763] 5f40: daf54000 00015000 00000000 c00e53dc db4c18c0 c00e548c 0000000d 00008124
[ 55.888937] 5f60: 00000001 00000000 00000000 db4c18c0 db4c18c0 00001000 00015000 c00e5550
[ 55.897099] 5f80: 00000000 00000000 00001000 00001000 00015000 00000003 00000003 c000f364
[ 55.905239] 5fa0: 00000000 c000f1a0 00001000 00015000 00000003 00015000 00001000 0001333c
[ 55.913399] 5fc0: 00001000 00015000 00000003 00000003 00000002 00000000 00000000 00000000
[ 55.921560] 5fe0: 7fffe000 be999850 0000a225 b6f3c19c 60000010 00000003 00000000 00000000
[ 55.929744] [<c034b0b4>] (charger_get_property) from [<c0346864>] (power_supply_show_property+0x48/0x20c)
[ 55.939286] [<c0346864>] (power_supply_show_property) from [<c027f25c>] (dev_attr_show+0x1c/0x48)
[ 55.948130] [<c027f25c>] (dev_attr_show) from [<c0146218>] (sysfs_kf_seq_show+0x84/0x104)
[ 55.956298] [<c0146218>] (sysfs_kf_seq_show) from [<c0144c78>] (kernfs_seq_show+0x24/0x28)
[ 55.964536] [<c0144c78>] (kernfs_seq_show) from [<c0107f90>] (seq_read+0x1b0/0x484)
[ 55.972172] [<c0107f90>] (seq_read) from [<c00e53dc>] (__vfs_read+0x18/0x4c)
[ 55.979188] [<c00e53dc>] (__vfs_read) from [<c00e548c>] (vfs_read+0x7c/0x100)
[ 55.986304] [<c00e548c>] (vfs_read) from [<c00e5550>] (SyS_read+0x40/0x8c)
[ 55.993164] [<c00e5550>] (SyS_read) from [<c000f1a0>] (ret_fast_syscall+0x0/0x48)
[ 56.000626] Code: bad PC value
[ 56.011652] ---[ end trace 7b64343fbdae8ef1 ]---
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
[for the nvec part]
Reviewed-by: Marc Dietrich <marvin24@gmx.de>
[for compal-laptop.c]
Acked-by: Darren Hart <dvhart@linux.intel.com>
[for the mfd part]
Acked-by: Lee Jones <lee.jones@linaro.org>
[for the hid part]
Acked-by: Jiri Kosina <jkosina@suse.cz>
[for the acpi part]
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Add a macro for obtaining the mask of ITORCH register bit fields
related either to FLED1 or FLED2 current output. The expected
arguments are TORCH_IOUT1_SHIFT or TORCH_IOUT2_SHIFT.
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The flash part of the max77693 device will depend only on OF, and thus
will not use board files. Since there are no other users of the
struct max77693_led_platform_data its existence is unjustified.
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Modify FLASH_EN_SHIFT and TORCH_EN_SHIFT macros to work properly
when passed enum max77693_fled values (0 for FLED1 and 1 for FLED2)
from leds-max77693 driver. Previous definitions were compatible with
one of the previous RFC versions of leds-max77693.c driver, which was
not merged.
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Rk808 has a under voltage detect function, when the voltage of buck is
under 85% the target voltage, the buck output will reset. But if the
power load is too heavy, this function maybe err, when current over
4.2A, although the voltage is normal, but RK808 mistakenly think it is
under 85%, and reset the buck. So let's disable this function.
Signed-off-by: Chris Zhong <zyw@rock-chips.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
dma_request_slave_channel_compat() in tmio_mmc_dma
needs .chan_priv_tx/.chan_priv_rx. But these are copied from
sh_mobile_sdhi only, and sh_mobile_sdhi_info is now almost
same as tmio_mmc_data except .chan_priv_?x.
sh_mobile_sdhi_info can be replaced to tmio_mmc_data, but it is
used from ${LINUX}/arch/arm/mach-shmobile, ${LINUX}/arch/sh.
So, this patch adds .chan_priv_?x into tmio_mmc_data as 1st step,
and sh_mobile_sdhi driver has dummy operation for now.
It will be replaced/removed together with platform data replace.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This patch adds MAX77843 core/irq driver to support PMIC,
MUIC(Micro USB Interface Controller), Charger, Fuel Gauge,
LED and Haptic device.
Signed-off-by: Jaewon Kim <jaewon02.kim@samsung.com>
Signed-off-by: Beomho Seo <beomho.seo@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This adds support for the MediaTek MT6397 PMIC. This is a
multifunction device with the following sub modules:
- Regulator
- RTC
- Audio codec
- GPIO
- Clock
It is interfaced to the host controller using SPI interface by a proprietary
hardware called PMIC wrapper or pwrap. MT6397 MFD is a child device of the
pwrap.
Signed-off-by: Flora Fu, MediaTek
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
arizona_extcon_do_magic does not lend a lot of clarity to the purpose
of the function, and as all the registers used are described in the
datasheet there is no need to obfuscate the code. This patch renames the
function to arizona_extcon_hp_clamp, as it controls clamping on the
headphone output.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
The WTSR (Watchdog Timer Software Reset) and SMPL (Sudden Momentary
Power Loss) were removed from rtc-s5m driver because they were not used.
Remove them (and on/off interrupt) from main MFD driver and header.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Move parts of linux/mfd/arizona/pdata.h and gpio.h into a new file in
the dt-binding directory for use by device tree bindings. This also
makes gpio.h redundant so remove it in the process.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
To enable/disable ASPM we should find LINK CONTROL register
in PCI config space. All old chip use 0x80 address, but new
chip may use another address, so we using pci_find_capability()
to get LINK CONTROL address.
rtsx_gops.c was removed, we consider to put some common operations
to this file, but the actual thing is, only a group of chips
are in common ops1, and another group of chips in common ops2,
it is hard to decide put which ops into generic ops file.
Signed-off-by: Micky Ching <micky_ching@realsil.com.cn>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Update some phy register name and value for rts5249,
the updated value makes chip more stable on some platform.
Signed-off-by: Micky Ching <micky_ching@realsil.com.cn>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
PETXCFG is defined at 0xFF03, the old 0xFE49 not used any more.
Signed-off-by: Micky Ching <micky_ching@realsil.com.cn>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
It is more readable to place register address and values define
togather. The values define add two leading space indicate belong
to the register address defined above.
Signed-off-by: Micky Ching <micky_ching@realsil.com.cn>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Re-format coding-style, using uniform SPC after "#define" keyword
instead of mixing using TAB and SPC.
Signed-off-by: Micky Ching <micky_ching@realsil.com.cn>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
In one shot mode, sequencer automatically disables all enabled steps at
the end of each cycle. (both ADC steps and TSC steps) Hence these steps
need not be saved in reg_se_cache for clearing these steps at a later
stage.
Also, when ADC wakes up Sequencer should not be busy executing any of the
config steps except for the charge step. Previously charge step was 1 ADC
clock cycle and hence it was ignored.
TSC steps are always disabled at the end of each conversion cycle, hence
there is no need to explicitly disable TSC steps by writing 0 to REG_SE.
Signed-off-by: Vignesh R <vigneshr@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This patch adds a macro to define the GPR3 MIPI muxing control register field
shift bits.
Signed-off-by: Liu Ying <Ying.Liu@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
The ChromeOS Embedded Controller has to be accessed by applications.
A virtual character device is used as an interface with user-space.
Extend the struct cros_ec_device with the fields needed by the driver
of this virtual character device.
Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Acked-by: Lee Jones <lee.jones@linaro.org>
Tested-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-by: Gwendal Grignou <gwendal@chromium.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
The struct cros_ec_command will be used as an ioctl() argument for the
API to control the ChromeOS EC from user-space. So the data structure
has to be 64-bit safe to make it compatible between 32 and 64 avoiding
the need for a compat ioctl interface. Since pointers are self-aligned
to different byte boundaries, use fixed size arrays instead of pointers
for transferring ingoing and outgoing data with the Embedded Controller.
Also, re-arrange struct members by decreasing alignment requirements to
reduce the needing padding size.
Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Acked-by: Lee Jones <lee.jones@linaro.org>
Tested-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-by: Gwendal Grignou <gwendal@chromium.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
This adds support for the Wolfson Microelectronics WM8280 and WM8281
codecs.
Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
[Lee: Minor fixup to remove potentially uninitialised variable. ]
Signed-off-by: Lee Jones <lee.jones@linaro.org>
These are changes for drivers that are intimately tied to some SoC
and for some reason could not get merged through the respective
subsystem maintainer tree.
This time around, much of this is for at91, with the bulk of it being syscon
and udc drivers.
Also, there's:
- coupled cpuidle support for Samsung Exynos4210
- Renesas 73A0 common-clk work
- of/platform changes to tear down DMA mappings on device destruction
- a few updates to the TI Keystone knav code
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Merge tag 'drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Olof Johansson:
"These are changes for drivers that are intimately tied to some SoC and
for some reason could not get merged through the respective subsystem
maintainer tree.
This time around, much of this is for at91, with the bulk of it being
syscon and udc drivers.
Also, there's:
- coupled cpuidle support for Samsung Exynos4210
- Renesas 73A0 common-clk work
- of/platform changes to tear down DMA mappings on device destruction
- a few updates to the TI Keystone knav code"
* tag 'drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (26 commits)
cpuidle: exynos: add coupled cpuidle support for exynos4210
ARM: EXYNOS: apply S5P_CENTRAL_SEQ_OPTION fix only when necessary
soc: ti: knav_qmss_queue: change knav_range_setup_acc_irq to static
soc: ti: knav_qmss_queue: makefile tweak to build as dynamic module
pcmcia: at91_cf: depend on !ARCH_MULTIPLATFORM
soc: ti: knav_qmss_queue: export API calls for use by user driver
of/platform: teardown DMA mappings on device destruction
usb: gadget: at91_udc: Allocate udc instance
usb: gadget: at91_udc: Update DT binding documentation
usb: gadget: at91_udc: Rework for multi-platform kernel support
usb: gadget: at91_udc: Simplify probe and remove functions
usb: gadget: at91_udc: Remove non-DT handling code
usb: gadget: at91_udc: Document DT clocks and clock-names property
usb: gadget: at91_udc: Drop uclk clock
usb: gadget: at91_udc: Fix clock names
mfd: syscon: Add Atmel SMC binding doc
mfd: syscon: Add atmel-smc registers definition
mfd: syscon: Add Atmel Matrix bus DT binding documentation
mfd: syscon: Add atmel-matrix registers definition
clk: shmobile: fix sparse NULL pointer warning
...
Here's the big pull request for the USB driver tree for 3.20-rc1.
Nothing major happening here, just lots of gadget driver updates, new
device ids, and a bunch of cleanups.
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB patches from Greg KH:
"Here's the big pull request for the USB driver tree for 3.20-rc1.
Nothing major happening here, just lots of gadget driver updates, new
device ids, and a bunch of cleanups.
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (299 commits)
usb: musb: fix device hotplug behind hub
usb: dwc2: Fix a bug in reading the endpoint directions from reg.
staging: emxx_udc: fix the build error
usb: Retry port status check on resume to work around RH bugs
Revert "usb: Reset USB-3 devices on USB-3 link bounce"
uhci-hub: use HUB_CHAR_*
usb: kconfig: replace PPC_OF with PPC
ehci-pci: disable for Intel MID platforms (update)
usb: gadget: Kconfig: use bool instead of boolean
usb: musb: blackfin: remove incorrect __exit_p()
USB: fix use-after-free bug in usb_hcd_unlink_urb()
ehci-pci: disable for Intel MID platforms
usb: host: pci_quirks: joing string literals
USB: add flag for HCDs that can't receive wakeup requests (isp1760-hcd)
USB: usbfs: allow URBs to be reaped after disconnection
cdc-acm: kill unnecessary messages
cdc-acm: add sanity checks
usb: phy: phy-generic: Fix USB PHY gpio reset
usb: dwc2: fix USB core dependencies
usb: renesas_usbhs: fix NULL pointer dereference in dma_release_channel()
...
- GPIOLIB core changes:
- Create and use of_mm_gpiochip_remove() for removing
memory-mapped OF GPIO chips
- GPIO MMIO library suppports bgpio_set_multiple for
switching several lines at once, a feature merged in
the last cycle.
- New drivers:
- New driver for the APM X-gene standby GPIO controller
- New driver for the Fujitsu MB86S7x GPIO controller
- Cleanups:
- Moved rcar driver to use gpiolib irqchip
- Moxart converted to the GPIO MMIO library
- GE driver converted to GPIO MMIO library
- Move sx150x to irqdomain
- Move max732x to irqdomain
- Move vx855 to use managed resources
- Move dwapb to use managed resources
- Clean tc3589x from platform data
- Clean stmpe driver to use device tree only probe
- New subtypes:
- sx1506 support in the sx150x driver
- Quark 1000 SoC support in the SCH driver
- Support X86 in the Xilinx driver
- Support PXA1928 in the PXA driver
- Extended drivers:
- max732x supports device tree probe
- sx150x supports device tree probe
- Various minor cleanups and bug fixes
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Merge tag 'gpio-v3.20-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO changes from Linus Walleij:
"This is the GPIO bulk changes for the v3.20 series:
GPIOLIB core changes:
- Create and use of_mm_gpiochip_remove() for removing memory-mapped
OF GPIO chips
- GPIO MMIO library suppports bgpio_set_multiple for switching
several lines at once, a feature merged in the last cycle.
New drivers:
- New driver for the APM X-gene standby GPIO controller
- New driver for the Fujitsu MB86S7x GPIO controller
Cleanups:
- Moved rcar driver to use gpiolib irqchip
- Moxart converted to the GPIO MMIO library
- GE driver converted to GPIO MMIO library
- Move sx150x to irqdomain
- Move max732x to irqdomain
- Move vx855 to use managed resources
- Move dwapb to use managed resources
- Clean tc3589x from platform data
- Clean stmpe driver to use device tree only probe
New subtypes:
- sx1506 support in the sx150x driver
- Quark 1000 SoC support in the SCH driver
- Support X86 in the Xilinx driver
- Support PXA1928 in the PXA driver
Extended drivers:
- max732x supports device tree probe
- sx150x supports device tree probe
Various minor cleanups and bug fixes"
* tag 'gpio-v3.20-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (61 commits)
gpio: kconfig: replace PPC_OF with PPC
gpio: pxa: add PXA1928 gpio type support
dt/bindings: gpio: add compatible string for marvell,pxa1928-gpio
gpio: pxa: remove mach IRQ includes
gpio: max732x: use an inline function for container cast
gpio: use sizeof() instead of hardcoded values
gpio: max732x: add set_multiple function
gpio: sch: Consolidate similar algorithms
gpio: tz1090-pdc: Use resource_size to fix off-by-one resource size calculation
gpio: ge: Convert to use devm_kstrdup
gpio: correctly use const char * const
gpio: sx150x: fixup OF support
gpio: mpc8xxx: Use of_mm_gpiochip_remove
gpio: Add Fujitsu MB86S7x GPIO driver
gpio: mpc8xxx: Convert to platform device interface.
gpio: zevio: Use of_mm_gpiochip_remove
gpio: gpio-mm-lantiq: Use of_mm_gpiochip_remove
gpio: gpio-mm-lantiq: Use of_property_read_u32
gpio: gpio-mm-lantiq: Do not replicate code
gpio :gpio-mm-lantiq: Use devm_kzalloc
...
- Support for MMC power sequences.
- SDIO function devicetree subnode parsing.
- Refactor the hardware reset routines and enable it for SD cards.
- Various code quality improvements, especially for slot-gpio.
MMC host:
- dw_mmc: Various fixes and cleanups.
- dw_mmc: Convert to mmc_send_tuning().
- moxart: Fix probe logic.
- sdhci: Various fixes and cleanups
- sdhci: Asynchronous request handling support.
- sdhci-pxav3: Various fixes and cleanups.
- sdhci-tegra: Fixes for T114, T124 and T132.
- rtsx: Various fixes and cleanups.
- rtsx: Support for SDIO.
- sdhi/tmio: Refactor and cleanup of header files.
- omap_hsmmc: Use slot-gpio and common MMC DT parser.
- Make all hosts to deal with errors from mmc_of_parse().
- sunxi: Various fixes and cleanups.
- sdhci: Support for Fujitsu SDHCI controller f_sdh30.
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Merge tag 'mmc-v3.20-1' of git://git.linaro.org/people/ulf.hansson/mmc
Pull MMC updates from Ulf Hansson:
"MMC core:
- Support for MMC power sequences.
- SDIO function devicetree subnode parsing.
- Refactor the hardware reset routines and enable it for SD cards.
- Various code quality improvements, especially for slot-gpio.
MMC host:
- dw_mmc: Various fixes and cleanups.
- dw_mmc: Convert to mmc_send_tuning().
- moxart: Fix probe logic.
- sdhci: Various fixes and cleanups
- sdhci: Asynchronous request handling support.
- sdhci-pxav3: Various fixes and cleanups.
- sdhci-tegra: Fixes for T114, T124 and T132.
- rtsx: Various fixes and cleanups.
- rtsx: Support for SDIO.
- sdhi/tmio: Refactor and cleanup of header files.
- omap_hsmmc: Use slot-gpio and common MMC DT parser.
- Make all hosts to deal with errors from mmc_of_parse().
- sunxi: Various fixes and cleanups.
- sdhci: Support for Fujitsu SDHCI controller f_sdh30"
* tag 'mmc-v3.20-1' of git://git.linaro.org/people/ulf.hansson/mmc: (117 commits)
mmc: sdhci-s3c: solve problem with sleeping in atomic context
mmc: pwrseq: add driver for emmc hardware reset
mmc: moxart: fix probe logic
mmc: core: Invoke mmc_pwrseq_post_power_on() prior MMC_POWER_ON state
mmc: pwrseq_simple: Add optional reference clock support
mmc: pwrseq: Document optional clock for the simple power sequence
mmc: pwrseq_simple: Extend to support more pins
mmc: pwrseq: Document that simple sequence support more than one GPIO
mmc: Add hardware dependencies for sdhci-pxav3 and sdhci-pxav2
mmc: sdhci-pxav3: Modify clock settings for the SDR50 and DDR50 modes
mmc: sdhci-pxav3: Extend binding with SDIO3 conf reg for the Armada 38x
mmc: sdhci-pxav3: Fix Armada 38x controller's caps according to erratum ERR-7878951
mmc: sdhci-pxav3: Fix SDR50 and DDR50 capabilities for the Armada 38x flavor
mmc: sdhci: switch voltage before sdhci_set_ios in runtime resume
mmc: tegra: Write xfer_mode, CMD regs in together
mmc: Resolve BKOPS compatability issue
mmc: sdhci-pxav3: fix setting of pdata->clk_delay_cycles
mmc: dw_mmc: rockchip: remove incorrect __exit_p()
mmc: dw_mmc: exynos: remove incorrect __exit_p()
mmc: Fix menuconfig alignment of MMC_SDHCI_* options
...
Pull input updates from Dmitry Torokhov:
"The first round of updates for the input subsystem.
A few new drivers (power button handler for AXP20x PMIC, tps65218
power button driver, sun4i keys driver, regulator haptic driver, NI
Ettus Research USRP E3x0 button, Alwinner A10/A20 PS/2 controller).
Updates to Synaptics and ALPS touchpad drivers (with more to come
later), brand new Focaltech PS/2 support, update to Cypress driver to
handle Gen5 (in addition to Gen3) devices, and number of other fixups
to various drivers as well as input core"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (54 commits)
Input: elan_i2c - fix wrong %p extension
Input: evdev - do not queue SYN_DROPPED if queue is empty
Input: gscps2 - fix MODULE_DEVICE_TABLE invocation
Input: synaptics - use dmax in input_mt_assign_slots
Input: pxa27x_keypad - remove unnecessary ARM includes
Input: ti_am335x_tsc - replace delta filtering with median filtering
ARM: dts: AM335x: Make charge delay a DT parameter for TSC
Input: ti_am335x_tsc - read charge delay from DT
Input: ti_am335x_tsc - remove udelay in interrupt handler
Input: ti_am335x_tsc - interchange touchscreen and ADC steps
Input: MT - add support for balanced slot assignment
Input: drv2667 - remove wrong and unneeded drv2667-haptics modalias
Input: drv260x - remove wrong and unneeded drv260x-haptics modalias
Input: cap11xx - remove wrong and unneeded cap11xx modalias
Input: sun4i-ts - add support for touchpanel controller on A31
Input: serio - add support for Alwinner A10/A20 PS/2 controller
Input: gtco - use sign_extend32() for sign extension
Input: elan_i2c - verify firmware signature applying it
Input: elantech - remove stale comment from Kconfig
Input: cyapa - off by one in cyapa_update_fw_store()
...
TSC interrupt handler had udelay to avoid reporting of false pen-up
interrupt to user space. This patch implements workaround suggesting in
Advisory 1.0.31 of silicon errata for am335x, thus eliminating udelay and
touchscreen lag. This also improves performance of touchscreen and
eliminates sudden jump of cursor at touch release.
IDLECONFIG and CHARGECONFIG registers are to be configured with same values
in order to eliminate false pen-up events. This workaround may result in
false pen-down to be detected, hence considerable charge step delay needs
to be added. The charge delay is set to 0xB000 (in terms of ADC clock
cycles) by default.
TSC steps are disabled at the end of every sampling cycle and EOS bit is
set. Once the EOS bit is set, the TSC steps need to be re-enabled to begin
next sampling cycle.
Signed-off-by: Brad Griffis <bgriffis@ti.com>
[vigneshr@ti.com: Ported the patch from v3.12 to v3.19rc1]
Signed-off-by: Vignesh R <vigneshr@ti.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
After the Exynos Power Management Unit (PMU) driver was converted
to the platform device driver in commit 14fc8b93d4
("ARM: EXYNOS: Add platform driver support for Exynos PMU") and
then PMU device nodes added to Exynos4 DTs in commit
7b9613aca4 ("ARM: dts: add PMU syscon node for exynos4")
the mipi video phy driver started failing probing, due to overlapping
memory mapped register region resources.
Now all the Exynos peripheral devices which have registers in the PMU
region are supposed to use the regmap provided by the syscon driver.
So support for regmap is added in this patch, this unfortunately
creates yet another indirection into that supposedly trivial driver.
The additional mutex is required because single register is used by
PHY pairs (they share bit in a register). An improvement here could
be to allow a PHY instance be created with a driver custom mutex,
which would then be common for each PHY pair. This would eliminate
one of 3 mutexes which need to be taken in the phy_power_on/
phy_power_off code path. However, I tried to keep this bug fix patch
possibly simple.
This change is needed to make MIPI DSI displays and MIPI CSI-2
camera sensors working again on Exynos4 boards.
Cc: Pankaj Dubey <pankaj.dubey@samsung.com>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Add device tree support for DA9063 regulators; Real-Time Clock
and Watchdog.
Signed-off-by: Steve Twiss <stwiss.opensource@diasemi.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Driver for the Resource Power Manager (RPM) found in Qualcomm 8660, 8960
and 8064 based devices. The driver exposes resources that child drivers
can operate on; to implementing regulator, clock and bus frequency
drivers.
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The driver is used only on Exynos based boards with DTS support.
After removal of board file support from max77686 and max77802 regulator
drivers, the MFD driver can be converted to DTS-only version. This
simplifies a little the code:
1. No dead (unused) entries in platform_data structure.
2. More code removed.
3. Regulator driver does not depend on allocated memory
from MFD driver.
4. It makes also easier extending the regulator driver.
Add to the max77686 MFD driver dependency on CONFIG_OF because without
DTS the regulator drivers (max77686 and max77802) won't bind.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Tested-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
mfd/axp20x: add support for fuel gauge cell
Register definitions and platform data structure
for fuel gauge cell devices.
Signed-off-by: Todd Brandt <todd.e.brandt@intel.com>
Acked-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
DA9150 is a combined Charger and Fuel-Gauge IC, with additional
GPIO and GPADC functionality.
Signed-off-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This patch adds a new driver for Richtek RT5033 driver.
RT5033 is a Multifunction device which includes battery charger, fuel gauge,
flash LED current source, LDO and synchronous Buck converter. It is interfaced
to host controller using I2C interface.
Signed-off-by: Beomho Seo <beomho.seo@samsung.com>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Remove the function ab8500_fg_reinit() that is not used anywhere.
This was partially found by using a static code analysis program called cppcheck.
Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Prepare for adding support for Maxim 77693 charger by adding necessary
new defines.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Require that device tree be used with STMPE (all platforms use this)
and enforce OF_GPIO, then delete the platform data.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
tmio_mmc_host has .enable_dma callback now.
We don't need TMIO_MMC_HAVE_CTL_DMA_REG anymore.
Let's remove it
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Current .dma_rx_offset is implemented under tmio_mmc_dma.
It goes to tmio_mmc_data by this patch.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Current .alignment_shift is implemented under tmio_mmc_dma.
It goes to tmio_mmc_data by this patch.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Current .bus_shift is implemented under tmio_mmc_data.
It goes to tmio_mmc_host by this patch.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Current .multi_io_quirk is implemented under tmio_mmc_data.
It goes to tmio_mmc_host by this patch.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Current .clk_disable is implemented under tmio_mmc_data.
It goes to tmio_mmc_host by this patch.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Current .clk_enable is implemented under tmio_mmc_data.
It goes to tmio_mmc_host by this patch.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Current .write16_hook is implemented under tmio_mmc_data.
It goes to tmio_mmc_host by this patch.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Current .dma is implemented under tmio_mmc_data.
It goes to tmio_mmc_host by this patch.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Current tmio_mmc driver is using tmio_mmc_data for driver/platform
specific data/callback, and it is needed for tmio_mmc_host_probe()
function. Because of this style, include/linux/mfd/tmio.h header has
tmio driver/framework specific data which is not needed from platform.
This patch adds new tmio_mmc_host_alloc/free() as cleanup preparation.
tmio driver specific data/callback will be implemented in tmio_mmc_host,
and platform specific data/callback will be implemented in tmio_mmc_data
in this cleanup.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This device is only used from the device tree, and the startup()
and remove() callbacks are not used anywhere in the kernel, so
retire them and the pdata altogether.
Cc: Samuel Ortiz <sameo@linux.intel.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Atmel AT91 SoCs have a memory range reserved for SMC (Static Memory
Controller) configuration.
Expose those registers so that drivers can make use of the smc syscon
declared in at91 DTs.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
AT91 SoCs have a memory range reserved for internal bus configuration.
Expose those registers so that drivers can make use of the matrix syscon
declared in at91 DTs.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
This patch adds missing registers('BUCK7_SW' & 'LDO29_CTRL'). Since BUCK7 has
1 more register (BUCK7_SW) than others, register offset should
be added one more for which has bigger address than BUCK7 registers.
Fixes: 76b9840b24ae04(regulator: s2mps11: Add support S2MPS13 regulator device)
Signed-off-by: Jonghwa Lee <jonghwa3.lee@samsung.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: <stable@vger.kernel.org>
Pull input layer fixes from Dmitry Torokhov:
"Fixes for v7 protocol for ALPS devices and few other driver fixes.
Also users can request input events to be stamped with boot time
timestamps, in addition to real and monotonic timestamps"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: hil_kbd - fix incorrect use of init_completion
Input: alps - v7: document the v7 touchpad packet protocol
Input: alps - v7: fix finger counting for > 2 fingers on clickpads
Input: alps - v7: sometimes a single touch is reported in mt[1]
Input: alps - v7: ignore new packets
Input: evdev - add CLOCK_BOOTTIME support
Input: psmouse - expose drift duration for IBM trackpoints
Input: stmpe - bias keypad columns properly
Input: stmpe - enforce device tree only mode
mfd: stmpe: add pull up/down register offsets for STMPE
Input: optimize events_per_packet count calculation
Input: edt-ft5x06 - fixed a macro coding style issue
Input: gpio_keys - replace timer and workqueue with delayed workqueue
Input: gpio_keys - allow separating gpio and irq in device tree
The STMPE keypad controller is only used with device tree configured
systems, so force the configuration to come from device tree only, and now
actually get the rows and cols from the device tree too.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This adds the register offsets for pull up/down for the STMPE
1601, 1801 and 24xx expanders. This is used to bias GPIO lines
and keypad lines.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This became a fairly large pull request. In addition to the usual
driver updates / fixes, there have been a high amount of cleanups in
ASoC area, as well as control API helpers and kernel documentations
fixes touching through the whole tree.
In the driver side, the biggest changes are the support for new Intel
SoC found on new x86 machines, and the updates of FireWire dice and
oxfw drivers.
Some remarkable items are below:
* ALSA core
- PCM mmap code cleanup, removal of arch-dependent codes
- PCM xrun injection support
- PCM hwptr tracepoint support
- Refactoring of snd_pcm_action(), simplification of PCM locking
- Robustified sequecner auto-load functionality
- New control API helpers and lots of cleanups along with them
- Lots of kerneldoc fixes and cleanups
* USB-audio
- The mixer resume code was largely rewritten, and the devices with
quirks are resumed properly.
- New hardware support: Focusrite Scarlett, Digidesign Mbox1,
Denon/Marantz DACs, Zoom R16/24
* FireWire
- DICE driver updates with better duplex and sync support, including
MIDI support
- New OXFW driver for Oxford Semiconductor FW970/971 chipset,
including the previous LaCie Speakers device. Fullduplex and MIDI
support included as well as DICE driver.
* HD-audio
- Refactoring the driver-caps quirk handling in snd-hda-intel
- More consistent control names representing the topology better
- Fixups: HP mute LED with ALC268 codec, Ideapad S210 built-in mic
fix, ASUS Z99He laptop EAPD
* ASoC
- Conversion of AC'97 drivers to use regmap, bringing us closer to
the removal of the ASoC level I/O code
- Clean up a lot of old drivers that were open coding things that
have subsequently been implemented in the core
- Some DAPM performance improvements
- Removal of the now seldom used CODEC mutex
- Lots of updates for the newer Intel SoC support, including support
for the DSP and some Cherrytrail and Braswell machine drivers
- Support for Samsung boards using rt5631 as the CODEC
- Removal of the obsolete AFEB9260 machine driver
- Driver support for the TI TS3A227E headset driver used in some
Chrombeooks
* Others
- ASIHPI driver update and cleanups
- Lots of dev_*() printk conversions
- Lots of trivial cleanups for the codes spotted by Coccinelle
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Merge tag 'sound-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"This became a fairly large pull request. In addition to the usual
driver updates / fixes, there have been a high amount of cleanups in
ASoC area, as well as control API helpers and kernel documentations
fixes touching through the whole tree.
In the driver side, the biggest changes are the support for new Intel
SoC found on new x86 machines, and the updates of FireWire dice and
oxfw drivers.
Some remarkable items are below:
ALSA core:
- PCM mmap code cleanup, removal of arch-dependent codes
- PCM xrun injection support
- PCM hwptr tracepoint support
- Refactoring of snd_pcm_action(), simplification of PCM locking
- Robustified sequecner auto-load functionality
- New control API helpers and lots of cleanups along with them
- Lots of kerneldoc fixes and cleanups
USB-audio:
- The mixer resume code was largely rewritten, and the devices with
quirks are resumed properly.
- New hardware support: Focusrite Scarlett, Digidesign Mbox1,
Denon/Marantz DACs, Zoom R16/24
FireWire:
- DICE driver updates with better duplex and sync support, including
MIDI support
- New OXFW driver for Oxford Semiconductor FW970/971 chipset,
including the previous LaCie Speakers device. Fullduplex and MIDI
support included as well as DICE driver.
HD-audio:
- Refactoring the driver-caps quirk handling in snd-hda-intel
- More consistent control names representing the topology better
- Fixups: HP mute LED with ALC268 codec, Ideapad S210 built-in mic
fix, ASUS Z99He laptop EAPD
ASoC:
- Conversion of AC'97 drivers to use regmap, bringing us closer to
the removal of the ASoC level I/O code
- Clean up a lot of old drivers that were open coding things that
have subsequently been implemented in the core
- Some DAPM performance improvements
- Removal of the now seldom used CODEC mutex
- Lots of updates for the newer Intel SoC support, including support
for the DSP and some Cherrytrail and Braswell machine drivers
- Support for Samsung boards using rt5631 as the CODEC
- Removal of the obsolete AFEB9260 machine driver
- Driver support for the TI TS3A227E headset driver used in some
Chrombeooks
Others:
- ASIHPI driver update and cleanups
- Lots of dev_*() printk conversions
- Lots of trivial cleanups for the codes spotted by Coccinelle"
* tag 'sound-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (594 commits)
ALSA: pcxhr: NULL dereference on probe failure
ALSA: lola: NULL dereference on probe failure
ALSA: hda - Add "eapd" model string for AD1986A codec
ALSA: hda - Add EAPD fixup for ASUS Z99He laptop
ALSA: oxfw: Add hwdep interface
ALSA: oxfw: Add support for capture/playback MIDI messages
ALSA: oxfw: add support for capturing PCM samples
ALSA: oxfw: Add support AMDTP in-stream
ALSA: oxfw: Add support for Behringer/Mackie devices
ALSA: oxfw: Change the way to start stream
ALSA: oxfw: Add proc interface for debugging purpose
ALSA: oxfw: Change the way to make PCM rules/constraints
ALSA: oxfw: Add support for AV/C stream format command to get/set supported stream formation
ALSA: oxfw: Change the way to name card
ALSA: dice: Add support for MIDI capture/playback
ALSA: dice: Add support for capturing PCM samples
ALSA: dice: Support for non SYT-Match sampling clock source mode
ALSA: dice: Add support for duplex streams with synchronization
ALSA: dice: Change the way to start stream
ALSA: jack: Add dummy snd_jack_set_key() definition
...
New and updated SoC support, notable changes include:
* bcm: brcmstb SMP support
* bcm: initial iproc/cygnus support
* exynos: Exynos4415 SoC support
* exynos: PMU and suspend support for Exynos5420
* exynos: PMU support for Exynos3250
* exynos: pm related maintenance
* imx: new LS1021A SoC support
* imx: vybrid 610 global timer support
* integrator: convert to using multiplatform configuration
* mediatek: earlyprintk support for mt8127/mt8135
* meson: meson8 soc and l2 cache controller support
* mvebu: Armada 38x CPU hotplug support
* mvebu: drop support for prerelease Armada 375 Z1 stepping
* mvebu: extended suspend support, now works on Armada 370/XP
* omap: hwmod related maintenance
* omap: prcm cleanup
* pxa: initial pxa27x DT handling
* rockchip: SMP support for rk3288
* rockchip: add cpu frequency scaling support
* shmobile: r8a7740 power domain support
* shmobile: various small restart, timer, pci apmu changes
* sunxi: Allwinner A80 (sun9i) earlyprintk support
* ux500: power domain support
Overall, a significant chunk of changes, coming mostly from
the usual suspects: omap, shmobile, samsung and mvebu, all of
which already contain a lot of platform specific code in
arch/arm.
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Merge tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform changes from Arnd Bergmann:
"New and updated SoC support, notable changes include:
- bcm:
brcmstb SMP support
initial iproc/cygnus support
- exynos:
Exynos4415 SoC support
PMU and suspend support for Exynos5420
PMU support for Exynos3250
pm related maintenance
- imx:
new LS1021A SoC support
vybrid 610 global timer support
- integrator:
convert to using multiplatform configuration
- mediatek:
earlyprintk support for mt8127/mt8135
- meson:
meson8 soc and l2 cache controller support
- mvebu:
Armada 38x CPU hotplug support
drop support for prerelease Armada 375 Z1 stepping
extended suspend support, now works on Armada 370/XP
- omap:
hwmod related maintenance
prcm cleanup
- pxa:
initial pxa27x DT handling
- rockchip:
SMP support for rk3288
add cpu frequency scaling support
- shmobile:
r8a7740 power domain support
various small restart, timer, pci apmu changes
- sunxi:
Allwinner A80 (sun9i) earlyprintk support
- ux500:
power domain support
Overall, a significant chunk of changes, coming mostly from the usual
suspects: omap, shmobile, samsung and mvebu, all of which already
contain a lot of platform specific code in arch/arm"
* tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (187 commits)
ARM: mvebu: use the cpufreq-dt platform_data for independent clocks
soc: integrator: Add terminating entry for integrator_cm_match
ARM: mvebu: add SDRAM controller description for Armada XP
ARM: mvebu: adjust mbus controller description on Armada 370/XP
ARM: mvebu: add suspend/resume DT information for Armada XP GP
ARM: mvebu: synchronize secondary CPU clocks on resume
ARM: mvebu: make sure MMU is disabled in armada_370_xp_cpu_resume
ARM: mvebu: Armada XP GP specific suspend/resume code
ARM: mvebu: reserve the first 10 KB of each memory bank for suspend/resume
ARM: mvebu: implement suspend/resume support for Armada XP
clk: mvebu: add suspend/resume for gatable clocks
bus: mvebu-mbus: provide a mechanism to save SDRAM window configuration
bus: mvebu-mbus: suspend/resume support
clocksource: time-armada-370-xp: add suspend/resume support
irqchip: armada-370-xp: Add suspend/resume support
ARM: add lolevel debug support for asm9260
ARM: add mach-asm9260
ARM: EXYNOS: use u8 for val[] in struct exynos_pmu_conf
power: reset: imx-snvs-poweroff: add power off driver for i.mx6
ARM: imx: temporarily remove CONFIG_SOC_FSL from LS1021A
...
The main thing this time around is support for suspend mode
configuration from DT which will enable some very useful power savings
on systems where we can't rely on the bootloader configuration. We
still don't really support dynamic configuration of this at runtime,
that may come later if there is any demand.
- Support for specifying the target regulation mode and voltage during
system suspend via DT, enabling power savings in that mode.
- Reduce the default verbosity of the logging on boot, improving boot
times especially for systems with very large numbers of regulators.
- Lots of cleanups and fixes for Maxim PMIC drivers.
- New driver for Richtek RT5033.
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Merge tag 'regulator-v3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"The main thing this time around is support for suspend mode
configuration from DT which will enable some very useful power savings
on systems where we can't rely on the bootloader configuration. We
still don't really support dynamic configuration of this at runtime,
that may come later if there is any demand.
Summary:
- Support for specifying the target regulation mode and voltage
during system suspend via DT, enabling power savings in that mode.
- Reduce the default verbosity of the logging on boot, improving boot
times especially for systems with very large numbers of regulators.
- Lots of cleanups and fixes for Maxim PMIC drivers.
- New driver for Richtek RT5033"
* tag 'regulator-v3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (62 commits)
regulator: core: Fix regualtor_ena_gpio_free not to access pin after freeing
regulator: sky81452: Modify Device Tree structure
regulator: sky81452: Modify Device Tree structure
dt-bindings: Update documentation for "system-power-controller" and fix misspellings
of: Rename "poweroff-source" property to "system-power-controller"
regulator: max77686: Remove support for board files
regulator: max77802: Remove support for board files
regulator: max77802: Fill regulator modes translation callback
regulator: max77802: Document binding for regulator operating modes
regulator: of: Add support for parsing initial and suspend modes
regulator: of: Pass the regulator description in the match table
regulator: of: Add regulator desc param to of_get_regulator_init_data()
regulator: Add mode mapping function to struct regulator_desc
regulator: Document binding for initial and suspend modes
regulator: core: Add PRE_DISABLE notification
regulator: gpio: fix parsing of gpio list
regulator: rpm: add support for RPM-controller SMB208
regulator: da9063: Do not transform local IRQ to virtual
regulator: sky81452: Modify dependent Kconfig symbol
regulator: rt5033: Add RT5033 Regulator device driver
...
Add helper function to write u32 to registers, if we want to put u32
value to 4 continuous register, this can help us reduce tedious work.
Signed-off-by: Micky Ching <micky_ching@realsil.com.cn>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
While two of the fields in the cq93vc driver state struct are initialized
none of them are ever acutally read again. So remove the whole struct.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
When the extra 4 channels were added to AIF2 the necessary frame control
registers were not given defaults and marked readable. This patch fixes
this.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
The TC3589x driver is now a device tree-only driver, so we want
only dynamic IRQs and GPIO numbers from the tc3589x, no static
assignments.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
These registers are documented in the datasheet and used as part of the
extcon driver. Expose them properly through regmap as the datasheet
notes they should be treated as volatile do so.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
ab8500_restart is not called from anywhere in the kernel, so drop it.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Fix rts5227&5249 failed send buffer cmd after suspend,
PM_CTRL3 should reset before send any buffer cmd after suspend.
Otherwise, buffer cmd will failed, this will lead resume fail.
Signed-off-by: Micky Ching <micky_ching@realsil.com.cn>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Remove old MAX77693_NUM_IRQ_MUIC_REGS define. Not used anywhere.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The HLCDC IP available on some Atmel SoCs (i.e. at91sam9n12, at91sam9x5
family or sama5d3 family) exposes 2 subdevices:
- a display controller (controlled by a DRM driver)
- a PWM chip
The MFD device provides a regmap and several clocks (those connected
to this hardware block) to its subdevices.
This way concurrent accesses to the iomem range are handled by the regmap
framework, and each subdevice can safely access HLCDC registers.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Tested-by: Anthony Harivel <anthony.harivel@emtrion.de>
Tested-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This patch adds S2MPS13 regulator device to existing S2MPS11 device driver.
The S2MPS13 has just different number of regulators from S2MPS14.
The S2MPS13 regulator device includes LDO[1-40] and BUCK[1-10].
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Sangbeom Kim <sbkim73@samsung.com>
Acked-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This patch adds the support for Samsung S2MPS13 PMIC device to the sec-core MFD
driver. The S2MPS13 is very similar with existing S2MPS14 and includes PMIC/
RTC/CLOCK devices.
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Sangbeom Kim <sbkim73@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Add imx6sx iomux-gpr register field define in "imx6q-iomuxc-gpr.h" header
file, which is not fully define all iomux-gpr registers and fields, only
align with freescale internal tree related GPR macro define.
Signed-off-by: Fugang Duan <B38611@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
The wm5102 driver currently uses the snd_soc_codec mutex to protect its
ultrasonic response settings from concurrent access. This patch moves this
lock to the driver level. This will allow us to eventually remove the
snd_soc_codec mutex.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This patch implements the USB part of the Diolan USB-I2C/SPI/GPIO
Master Adapter DLN-2. Details about the device can be found here:
https://www.diolan.com/i2c/i2c_interface.html.
Information about the USB protocol can be found in the Programmer's
Reference Manual [1], see section 1.7.
Because the hardware has a single transmit endpoint and a single
receive endpoint the communication between the various DLN2 drivers
and the hardware will be muxed/demuxed by this driver.
Each DLN2 module will be identified by the handle field within the DLN2
message header. If a DLN2 module issues multiple commands in parallel
they will be identified by the echo counter field in the message header.
The DLN2 modules can use the dln2_transfer() function to issue a
command and wait for its response. They can also register a callback
that is going to be called when a specific event id is generated by
the device (e.g. GPIO interrupts). The device uses handle 0 for
sending events.
[1] https://www.diolan.com/downloads/dln-api-manual.pdf
Signed-off-by: Octavian Purdila <octavian.purdila@intel.com>
Reviewed-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Hot-pluggable multi-function devices should always be registered with
PLATFORM_DEVID_AUTO to avoid name collisions on the platform bus. This
helper also hides the memory map and irq parameters, which aren't used
by hot-pluggable (e.g. USB-based) devices.
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
All interrupts coming from MUIC were ignored because interrupt source
register was masked.
The Maxim 77693 has a "interrupt source" - a separate register and interrupts
which give information about PMIC block triggering the individual
interrupt (charger, topsys, MUIC, flash LED).
By default bootloader could initialize this register to "mask all"
value. In such case (observed on Trats2 board) MUIC interrupts won't be
generated regardless of their mask status. Regmap irq chip was unmasking
individual MUIC interrupts but the source was masked
Before introducing regmap irq chip this interrupt source was unmasked,
read and acked. Reading and acking is not necessary but unmasking is.
Fixes: 342d669c1e ("mfd: max77693: Handle IRQs using regmap")
Cc: <stable@vger.kernel.org>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Add a header file for the max77802 constants that could be shared between
the regulator driver and Device Tree source files. Also, remove standby
and off opmodes since only normal and low power are valid operating modes.
Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Mark Brown <broonie@kernel.org>
Pull i2c updates from Wolfram Sang:
"Highlights from the I2C subsystem for 3.18:
- new drivers for Axxia AM55xx, and Hisilicon hix5hd2 SoC.
- designware driver gained AMD support, exynos gained exynos7 support
The rest is usual driver stuff. Hopefully no lowlights this time"
* 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: i801: Add Device IDs for Intel Sunrise Point PCH
i2c: hix5hd2: add i2c controller driver
i2c-imx: Disable the clock on probe failure
i2c: designware: Add support for AMD I2C controller
i2c: designware: Rework probe() to get clock a bit later
i2c: designware: Default to fast mode in case of ACPI
i2c: axxia: Add I2C driver for AXM55xx
i2c: exynos: add support for HSI2C module on Exynos7
i2c: mxs: detect No Slave Ack on SELECT in PIO mode
i2c: cros_ec: Remove EC_I2C_FLAG_10BIT
i2c: cros-ec-tunnel: Add of match table
i2c: rcar: remove sign-compare flaw
i2c: ismt: Use minimum descriptor size
i2c: imx: Add arbitration lost check
i2c: rk3x: Remove unlikely() annotations
i2c: rcar: check for no IRQ in rcar_i2c_irq()
i2c: rcar: make rcar_i2c_prepare_msg() *void*
i2c: rcar: simplify check for last message
i2c: designware: add support of platform data to set I2C mode
i2c: designware: add support of I2C standard mode
- DT clean-ups in da9055-core, max14577, rn5t618, arizona, hi6421, stmpe, twl4030
- Export symbols for use in modules in max14577
- Plenty of static code analysis/Coccinelle fixes throughout the SS
- Regmap clean-ups in arizona, wm5102, wm5110, da9052, tps65217, rk808
- Remove unused/duplicate code in da9052, 88pm860x, ti_ssp, lpc_sch, arizona
- Bug fixes in ti_am335x_tscadc, da9052, ti_am335x_tscadc, rtsx_pcr
- IRQ fixups in arizona, stmpe, max14577
- Regulator related changes in axp20x
- Pass DMA coherency information from parent => child in MFD core
- Rename DT document files for consistency
- Add ACPI support to the MFD core
- Add Andreas Werner to MAINTAINERS for MEN F21BMC
New drivers/supported devices:
- New driver for MEN 14F021P00 Board Management Controller
- New driver for Ricoh RN5T618 PMIC
- New driver for Rockchip RK808
- New driver for HiSilicon Hi6421 PMIC
- New driver for Qualcomm SPMI PMICs
- Add support for Intel Braswell in lpc_ich
- Add support for Intel 9 Series PCH in lpc_ich
- Add support for Intel Quark ILB in lpc_sch
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Merge tag 'mfd-for-linus-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"Changes to existing drivers:
- DT clean-ups in da9055-core, max14577, rn5t618, arizona, hi6421, stmpe, twl4030
- Export symbols for use in modules in max14577
- Plenty of static code analysis/Coccinelle fixes throughout the SS
- Regmap clean-ups in arizona, wm5102, wm5110, da9052, tps65217, rk808
- Remove unused/duplicate code in da9052, 88pm860x, ti_ssp, lpc_sch, arizona
- Bug fixes in ti_am335x_tscadc, da9052, ti_am335x_tscadc, rtsx_pcr
- IRQ fixups in arizona, stmpe, max14577
- Regulator related changes in axp20x
- Pass DMA coherency information from parent => child in MFD core
- Rename DT document files for consistency
- Add ACPI support to the MFD core
- Add Andreas Werner to MAINTAINERS for MEN F21BMC
New drivers/supported devices:
- New driver for MEN 14F021P00 Board Management Controller
- New driver for Ricoh RN5T618 PMIC
- New driver for Rockchip RK808
- New driver for HiSilicon Hi6421 PMIC
- New driver for Qualcomm SPMI PMICs
- Add support for Intel Braswell in lpc_ich
- Add support for Intel 9 Series PCH in lpc_ich
- Add support for Intel Quark ILB in lpc_sch"
[ Delayed to after the poweer/reset pull due to Kconfig problems with
recursive Kconfig select/depends-on chains. - Linus ]
* tag 'mfd-for-linus-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (79 commits)
mfd: cros_ec: wait for completion of commands that return IN_PROGRESS
i2c: i2c-cros-ec-tunnel: Set retries to 3
mfd: cros_ec: move locking into cros_ec_cmd_xfer
mfd: cros_ec: stop calling ->cmd_xfer() directly
mfd: cros_ec: Delay for 50ms when we see EC_CMD_REBOOT_EC
MAINTAINERS: Adds Andreas Werner to maintainers list for MEN F21BMC
mfd: arizona: Correct mask to allow setting micbias external cap
mfd: Add ACPI support
Revert "mfd: wm5102: Manually apply register patch"
mfd: ti_am335x_tscadc: Update logic in CTRL register for 5-wire TS
mfd: dt-bindings: atmel-gpbr: Rename doc file to conform to naming convention
mfd: dt-bindings: qcom-pm8xxx: Rename doc file to conform to naming convention
mfd: Inherit coherent_dma_mask from parent device
mfd: Document DT bindings for Qualcomm SPMI PMICs
mfd: Add support for Qualcomm SPMI PMICs
mfd: dt-bindings: pm8xxx: Add new compatible string
mfd: axp209x: Drop the parent supplies field
mfd: twl4030-power: Use 'ti,system-power-controller' as alternative way to support system power off
mfd: dt-bindings: twl4030-power: Use the standard property to mark power control
mfd: syscon: Add Atmel GPBR DT bindings documention
...
- Fix SDIO IRQ bug.
- MMC regulator improvements.
- Fix slot-gpio card detect bug.
- Add support for Driver Stage Register.
- Convert the common MMC OF parser to use GPIO descriptors.
- Convert MMC_CAP2_NO_MULTI_READ into a callback, ->multi_io_quirk().
- Some additional minor fixes.
MMC host:
- mmci: Support Qualcomm specific DML layer for DMA.
- dw_mmc: Use common MMC regulators.
- dw_mmc: Add support for Rock-chips RK3288.
- tmio: Enable runtime PM support.
- tmio: Add support for R-Car Gen2 SoCs.
- tmio: Several fixes and improvements.
- omap_hsmmc: Removed Balaji from MAINTAINERS.
- jz4740: add DMA and pre/post support.
- sdhci: Add support for Intel Braswell.
- sdhci: Several fixes and improvements.
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Merge tag 'mmc-v3.18-1' of git://git.linaro.org/people/ulf.hansson/mmc
Pull MMC updates from Ulf Hansson:
"MMC core:
- Fix SDIO IRQ bug
- MMC regulator improvements
- Fix slot-gpio card detect bug
- Add support for Driver Stage Register
- Convert the common MMC OF parser to use GPIO descriptors
- Convert MMC_CAP2_NO_MULTI_READ into a callback, ->multi_io_quirk()
- Some additional minor fixes
MMC host:
- mmci: Support Qualcomm specific DML layer for DMA
- dw_mmc: Use common MMC regulators
- dw_mmc: Add support for Rock-chips RK3288
- tmio: Enable runtime PM support
- tmio: Add support for R-Car Gen2 SoCs
- tmio: Several fixes and improvements
- omap_hsmmc: Removed Balaji from MAINTAINERS
- jz4740: add DMA and pre/post support
- sdhci: Add support for Intel Braswell
- sdhci: Several fixes and improvements"
* tag 'mmc-v3.18-1' of git://git.linaro.org/people/ulf.hansson/mmc: (119 commits)
ARM: dts: fix MMC2 regulators for Exynos5420 Arndale Octa board
mmc: sdhci-acpi: Fix Braswell eMMC timeout clock frequency
mmc: sdhci-acpi: Pass HID and UID to probe_slot
mmc: sdhci-acpi: Get UID directly from acpi_device
mmc, sdhci, bcm-kona, LLVMLinux: Remove use of __initconst
mmc: sdhci-pci: Fix Braswell eMMC timeout clock frequency
mmc: sdhci: Let a driver override timeout clock frequency
mmc: sdhci-pci: Add Bay Trail and Braswell SD card detect
mmc: sdhci-pci: Set SDHCI_QUIRK2_STOP_WITH_TC for Intel BYT host controllers
mmc: sdhci-acpi: Add a HID and UID for a SD Card host controller
mmc: sdhci-acpi: Set SDHCI_QUIRK2_STOP_WITH_TC for Intel host controllers
mmc: sdhci: Add quirk for always getting TC with stop cmd
mmc: core: restore detect line inversion semantics
mmc: Fix incorrect warning when setting 0 Hz via debugfs
mmc: Fix use of wrong device in mmc_gpiod_free_cd()
mmc: atmel-mci: fix mismatched section on atmci_cleanup_slot
mmc: rtsx_pci: Set power related cap2 macros
mmc: core: Add new power_mode MMC_POWER_UNDEFINED
mmc: sdhci: execute tuning when device is not busy
mmc: atmel-mci: Release mmc resources on failure in probe
..
Pull input updates from Dmitry Torokhov:
"A few new haptic/button drivers, a rudimentary support for laptops
using FocalTech touchpads; xpad driver will bind to more devices, and
a few other driver fixes."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: soc_button_array - convert to platform bus
Input: palmas-pwrbutton - fix typo in the license string
Input: palmas-pwrbutton - use IRQF_ONESHOT
Input: psmouse - add support for detecting FocalTech PS/2 touchpads
Input: psmouse - add psmouse_matches_pnp_id helper function
Input: joystick - use ktime for measuring timing
Input: add haptic driver on max77693
Input: introduce palmas-pwrbutton
Input: add support for the DRV2667 haptic driver
Input: xpad - sync device IDs with xboxdrv
Input: xpad - add VID/PID for Razer Sabertooth
Input: cros_ec_keyb - optimize ghosting algorithm
Input: drv260x - fix binding document
Input: drv260x - add check for ERM mode and LRA Libraries
Input: drv260x - remove unused defines
Input: drv260x - add TI drv260x haptics driver
X-Powers AXP288 is a customized PMIC for Intel Baytrail-CR platforms. Similar
to AXP202/209, AXP288 comes with USB charger, more LDO and BUCK channels, and
AD converters. It also provides extended status and interrupt reporting
capabilities than the devices currently supported in axp20x.c.
In addition to feature extension, this patch also adds ACPI binding for
enumeration.
This consolidated driver should support more X-Powers' PMICs in both device
tree and ACPI enumerated platforms.
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Reviewed-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Reviewed-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Instead of having users of the ChromeOS EC call the interface-specific
cmd_xfer() callback directly, introduce a central cros_ec_cmd_xfer()
to use instead. This will allow us to put all the locking and retry
logic in one place instead of duplicating it across the different
drivers.
Signed-off-by: Andrew Bresticker <abrestic@chromium.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Reviewed-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
In <https://lkml.org/lkml/2014/6/10/265> pointed out that the 10-bit
flag in the cros_ec_tunnel was useless. It went into a 16-bit flags
field but was defined at (1 << 16).
Since we have no 10-bit i2c devices on the other side of the tunnel on
any known devices this was never a problem. Until we do it makes
sense to remove this code. On the EC side the code to handle this
flag was removed in <https://chromium-review.googlesource.com/204162>.
Reported-by: Dave Jones <davej@redhat.com>
Signed-off-by: Doug Anderson <dianders@chromium.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
If an MFD device is backed by ACPI namespace, we should allow subdevice
drivers to access their corresponding ACPI companion devices through normal
means (e.g using ACPI_COMPANION()).
This patch adds such support to the MFD core. If the MFD parent device
does not specify any ACPI _HID/_CID for the child device, the child
device will share the parent ACPI companion device. Otherwise the child
device will be assigned with the corresponding ACPI companion, if found
in the namespace below the parent.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The logic in AFE_Pen_Ctrl bitmask in the CTRL register is different for five
wire versus four or eight wire touschscreens. This patch should fix this for
five-wire touch screens. There should be no change needed here for four and
eight wire tousch screens.
Signed-off-by: Jeff Lance <j-lance1@ti.com>
[bigeasy: keep the change mfd only]
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Allow regmap to provide debugfs access to the register map by telling it
what registers are valid.
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This adds driver to support HiSilicon Hi6421 PMIC. Hi6421 includes multi-
functions, such as regulators, codec, ADCs, Coulomb counter, etc.
This driver includes core APIs _only_.
Drivers for individul components, like voltage regulators, are
implemented in corresponding driver directories and files.
Registers in Hi6421 are memory mapped, so using regmap-mmio API.
Signed-off-by: Guodong Xu <guodong.xu@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The RK808 chip is a power management IC for multimedia and handheld
devices. It contains the following components:
- Regulators
- RTC
- Clkout
The RK808 core driver is registered as a platform driver and provides
communication through I2C with the host device for the different
components.
Signed-off-by: Chris Zhong <zyw@rock-chips.com>
Signed-off-by: Zhang Qing <zhangqing@rock-chips.com>
Tested-by: Heiko <heiko@sntech.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Current code init regmap with &da9052_regmap_config for both da9052-spi and
da9052-i2c drivers. da9052-spi sets the read_flag_mask.
The same setting may be applied for da9052-i2c if da9052-spi driver is loaded
first because they actually use the same regmap_config setting.
Fix this issue by using a local variable for regmap_config in da9052-spi driver,
so the settings in spi driver won't impact the settings in i2c driver.
Also makes da9052_regmap_config const to avoid similar issue.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Some arizona devices have a second asynchronous sample rate, add the
registers necessary to support this.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Acked-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Ricoh RN5T618 is a power management IC which integrates 3 step-down
DCDC converters, 7 low-dropout regulators, a Li-ion battery charger,
fuel gauge, ADC, GPIOs and a watchdog timer.
This commit adds a MFD core driver to support the I2C communication
with the device.
Signed-off-by: Beniamino Galvani <b.galvani@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The include guard doesn't work as intended due to the transposition
typo DAVINCI -> DAVINIC.
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The header file include/linux/mfd/ti_ssp.h does not seem to be used
anywhere. It was orphaned by 3033ee62 "mfd: Remove obsolete ti-ssp
driver". Remove it.
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This patch improves support for the flash cell of
max77693 mfd by adding relevant of_compatible field
and a structure for caching related platform data.
Added are also FLASH registers related macro definitions.
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
According to the MAX77693 documentation the name of
the register is FLASH_STATUS.
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
During init the core checks if the wm5102 has finished starting by reading
register 0x19 and looking at the value. This read always fails since this
is not a readable register, mark it as being one. While we're at it provide
a constant for the register name (as supplied by Charles Keepax).
Signed-off-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Remove hard-coded values for:
- Fast Charge current,
- End Of Charge current,
- Fast Charge timer,
- Overvoltage Protection Threshold,
- Battery Constant Voltage,
and use DTS or sysfs to configure them. This allows using the max14577 charger
driver with different batteries.
Now the charger driver requires valid configuration data from DTS. In
case of wrong configuration data it fails during probe.
The fast charge timer is configured through sysfs entry.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This patch prepares for changing the max14577 charger driver to allow
configuring battery-dependent settings from DTS.
The patch moves from regulator driver to MFD core driver and exports:
- function for calculating register value for charger's current;
- table of limits for chargers (MAX14577, MAX77836).
Previously they were used only by the max14577 regulator driver. In next
patch the charger driver will use them as well. Exporting them will
reduce unnecessary code duplication.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Mark Brown <broonie@linaro.org>
Acked-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Prepare for adding support for MAX77836 charger to the max14577 charger
driver by adding necessary new defines and prefixes to existing ones.
The MAX77836 uses slightly different values for ChgTyp field of STATUS2
register. On the MAX14577 value of 0x6 is reserved and 0x7 dead battery.
On the MAX77836 the opposite:
- 0x6 means special charger,
- 0x7 is reserved.
Regardless of these differences use one common enum
max14577_muic_charger_type.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Andrew Morton <akpm@linux-foundation.org>
This driver to supports the haptic controller on MAX77693 Multifunction
device with PMIC, CHARGER, LED, MUIC, HAPTIC.
This driver supports external pwm and LRA (Linear Resonant Actuator) motor.
User can control the haptic device via force feedback framework.
Signed-off-by: Jaewon Kim <jaewon02.kim@samsung.com>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Now, tmio_mmc can use .multi_io_quirk callback
instead of MMC_CAP2_NO_MULTI_READ flags.
let's use it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Some controller is supporting actual clock on SD_CLK_CTRL :: DIV[7:0].
Renesas SH-Mobile SDHI doesn't support,
but, Renesas R-Car SDHI supports it.
This patch adds new TMIO_MMC_CLK_ACTUAL flag for it.
[Kuninori Morimoto: tidyuped for upstreaming]
Tested-by: Nguyen Xuan Nui <nx-nui@jinso.co.jp>
Tested-by: Hiep Cao Minh <cm-hiep@jinso.co.jp>
Signed-off-by: Shinobu Uehara <shinobu.uehara.xc@renesas.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This patch adds new TMIO_MMC_HAVE_CTL_DMA_REG flag,
and remove Renesas specific #ifdef from tmio driver
Tested-by: Nguyen Xuan Nui <nx-nui@jinso.co.jp>
Tested-by: Hiep Cao Minh <cm-hiep@jinso.co.jp>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Renesas R-Car SDHI should set reserved bits
on CTL_SDIO_STATUS register when writing.
This patch adds new TMIO_MMC_SDIO_STATUS_QUIRK flags
for this purpose
[Kuninori Morimoto: tidyuped for upstreaming
enabled this flags for all SH-Mobile/R-Car]
Tested-by: Nguyen Xuan Nui <nx-nui@jinso.co.jp>
Tested-by: Hiep Cao Minh <cm-hiep@jinso.co.jp>
Signed-off-by: Shinobu Uehara <shinobu.uehara.xc@renesas.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Renesas SDHI has "Multiple Block Transfer Mode" settings
on SD_CMD register which controls CMD12 automatically.
This patch cares it, because
CMD12 is not needed when CMD53 (= SD_IO_RW_EXTENDED)
[Kuninori Morimoto: tidyuped for upstreaming
enabled this flags for all SH-Mobile/R-Car]
Tested-by: Nguyen Xuan Nui <nx-nui@jinso.co.jp>
Tested-by: Hiep Cao Minh <cm-hiep@jinso.co.jp>
Signed-off-by: Shinobu Uehara <shinobu.uehara.xc@renesas.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Basically, SD_BUF0 Tx/Rx addresses are same
in normal TMIO controller,
but, it is different on Renesas R-Car SDHI controller
if it uses DMAC
(Rx address needs to add 0x2000 to Tx address)
This patch adds new .dma_rx_offset and cares it
Tested-by: Nguyen Xuan Nui <nx-nui@jinso.co.jp>
Tested-by: Hiep Cao Minh <cm-hiep@jinso.co.jp>
Acked-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
