Commit Graph

676 Commits

Author SHA1 Message Date
Ma Shimiao
aefc581855 soc: ti: fix max dup length for kstrndup
If source string longer than max, kstrndup will alloc max+1 space.
So, we should make sure the result will not over limit.

Signed-off-by: Ma Shimiao <mashimiao.fnst@cn.fujitsu.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
2017-12-16 14:45:33 -08:00
Thierry Reding
c641ec6eab soc/tegra: pmc: Consolidate Tegra186 support
Move Tegra186 support to the consolidated PMC driver to reduce some of
the duplication and also gain I/O pad functionality on the new SoC as a
side-effect.

Signed-off-by: Thierry Reding <treding@nvidia.com>
2017-12-13 13:06:44 +01:00
Thierry Reding
5be2255676 soc/tegra: pmc: Parameterize driver
Parameterize some aspects of the driver in preparation for Tegra186 PMC
support. Initially the Tegra186 driver had been split off into an extra
driver, but it turns out the backwards-compatibility break isn't as bad
as originally assumed, so with a little parameterization the same code
can be used to keep supporting all SoC generations.

Signed-off-by: Thierry Reding <treding@nvidia.com>
2017-12-13 13:04:50 +01:00
Thierry Reding
75c15b90e4 soc/tegra: fuse: Add Tegra186 chip ID support
The register region containing chip ID information has been relocated in
Tegra186 and changed in backwards-incompatible ways. Add a compatible
string to allow the driver to make the distinction.

Signed-off-by: Thierry Reding <treding@nvidia.com>
2017-12-13 12:43:31 +01:00
Thierry Reding
da943840bc soc/tegra: fuse: Warn if accessing unmapped registers
If the FUSE registers are accessed but the region is not mapped, warn
and return 0. This potentially catches hard to diagnose bugs because the
accesses happen before any kernel log output.

Signed-off-by: Thierry Reding <treding@nvidia.com>
2017-12-13 12:43:31 +01:00
Thierry Reding
1f1607dbd9 soc/tegra: fuse: Move register mapping check
The tegra_read_chipid() function can be called from places other than
tegra_get_chip_id(), so the check for a valid mapping of the MISC
registers needs to be moved to tegra_read_chipid() to catch all
potential accesses.

Signed-off-by: Thierry Reding <treding@nvidia.com>
2017-12-13 12:43:30 +01:00
Timo Alho
83468fe259 soc/tegra: fuse: Add Tegra186 support
Tegra210 and Tegra186 are mostly compatible from a fuses point of view.
However, speedo support is implemented in the BPMP firmware, hence the
implementation needs to be skipped in the fuses driver.

Signed-off-by: Timo Alho <talho@nvidia.com>
Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>
[treding@nvidia.com: reword commit message]
Signed-off-by: Thierry Reding <treding@nvidia.com>
2017-12-13 12:43:29 +01:00
yangbo lu
6ea0acfd07 soc: fsl: support GUTS driver for ls1012a/ls1046a
This patch is to add compatible strings "fsl,ls1021a-dcfg" and
"fsl,ls1043a-dcfg" into device match table of GUTS driver.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
2017-12-08 16:22:59 -06:00
Arnaud Patard
044d71bc6c meson-gx-socinfo: Fix package id parsing
I've noticed the following message while booting a S905X based board:

soc soc0: Amlogic Meson GXL (S905D) Revision 21:82 (b:2) Detected

The S905D string is obviously wrong. The vendor code does:
...
        ver = (readl(assist_hw_rev) >> 8) & 0xff;
        meson_cpu_version[MESON_CPU_VERSION_LVL_MINOR] = ver;
        ver =  (readl(assist_hw_rev) >> 16) & 0xff;
        meson_cpu_version[MESON_CPU_VERSION_LVL_PACK] = ver;
...

while the current code does:
...
...

This means that the current mainline code has package id and minor
version reversed.

Fixes: a9daaba296 ("soc: Add Amlogic SoC Information driver")
Signed-off-by: Arnaud Patard <apatard@hupstream.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
2017-11-30 15:29:44 -08:00
Andreas Färber
3ad85b08f7 soc: actions: sps: Add S700
Add power domains for S700 SoC.

Signed-off-by: Andreas Färber <afaerber@suse.de>
2017-11-27 23:11:01 +01:00
Geert Uytterhoeven
90f0d2b344 soc: renesas: Identify R-Car M3-W ES1.1
The Product Register of R-Car M3-W ES1.1 incorrectly identifies the SoC
revision as ES2.0.  Add a workaround to fix this.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-11-27 11:40:57 +01:00
Linus Torvalds
cf9b0772f2 ARM: SoC driver updates for v4.15
This branch contains platform-related driver updates for ARM and ARM64,
 these are the areas that bring the changes:
 
 New drivers:
  - Driver support for Renesas R-Car V3M (R8A77970)
  - Power management support for Amlogic GX
  - A new driver for the Tegra BPMP thermal sensor
  - A new bus driver for Technologic Systems NBUS
 
 Changes for subsystems that prefer to merge through arm-soc:
  - The usual updates for reset controller drivers from Philipp Zabel,
    with five added drivers for SoCs in the arc, meson, socfpa, uniphier
    and mediatek families.
  - Updates to the ARM SCPI and PSCI frameworks, from Sudeep Holla,
    Heiner Kallweit and Lorenzo Pieralisi.
 
 Changes specific to some ARM-based SoC
  - The Freescale/NXP DPAA QBMan drivers from PowerPC can now work
    on ARM as well.
  - Several changes for power management on Broadcom SoCs
  - Various improvements on Qualcomm, Broadcom, Amlogic, Atmel, Mediatek
  - Minor Cleanups for Samsung, TI OMAP SoCs
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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 Arnd Bergmann:
 "This branch contains platform-related driver updates for ARM and
  ARM64, these are the areas that bring the changes:

  New drivers:

   - driver support for Renesas R-Car V3M (R8A77970)

   - power management support for Amlogic GX

   - a new driver for the Tegra BPMP thermal sensor

   - a new bus driver for Technologic Systems NBUS

  Changes for subsystems that prefer to merge through arm-soc:

   - the usual updates for reset controller drivers from Philipp Zabel,
     with five added drivers for SoCs in the arc, meson, socfpa,
     uniphier and mediatek families

   - updates to the ARM SCPI and PSCI frameworks, from Sudeep Holla,
     Heiner Kallweit and Lorenzo Pieralisi

  Changes specific to some ARM-based SoC

   - the Freescale/NXP DPAA QBMan drivers from PowerPC can now work on
     ARM as well

   - several changes for power management on Broadcom SoCs

   - various improvements on Qualcomm, Broadcom, Amlogic, Atmel,
     Mediatek

   - minor Cleanups for Samsung, TI OMAP SoCs"

[ NOTE! This doesn't work without the previous ARM SoC device-tree pull,
  because the R8A77970 driver is missing a header file that came from
  that pull.

  The fact that this got merged afterwards only fixes it at this point,
  and bisection of that driver will fail if/when you walk into the
  history of that driver.           - Linus ]

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (96 commits)
  soc: amlogic: meson-gx-pwrc-vpu: fix power-off when powered by bootloader
  bus: add driver for the Technologic Systems NBUS
  memory: omap-gpmc: Remove deprecated gpmc_update_nand_reg()
  soc: qcom: remove unused label
  soc: amlogic: gx pm domain: add PM and OF dependencies
  drivers/firmware: psci_checker: Add missing destroy_timer_on_stack()
  dt-bindings: power: add amlogic meson power domain bindings
  soc: amlogic: add Meson GX VPU Domains driver
  soc: qcom: Remote filesystem memory driver
  dt-binding: soc: qcom: Add binding for rmtfs memory
  of: reserved_mem: Accessor for acquiring reserved_mem
  of/platform: Generalize /reserved-memory handling
  soc: mediatek: pwrap: fix fatal compiler error
  soc: mediatek: pwrap: fix compiler errors
  arm64: mediatek: cleanup message for platform selection
  soc: Allow test-building of MediaTek drivers
  soc: mediatek: place Kconfig for all SoC drivers under menu
  soc: mediatek: pwrap: add support for MT7622 SoC
  soc: mediatek: pwrap: add common way for setup CS timing extenstion
  soc: mediatek: pwrap: add MediaTek MT6380 as one slave of pwrap
  ..
2017-11-16 16:05:01 -08:00
Linus Torvalds
894025f24b USB/PHY patches for 4.15-rc1
Here is the big set of USB and PHY driver updates for 4.15-rc1.
 
 There is the usual amount of gadget and xhci driver updates, along with
 phy and chipidea enhancements.  There's also a lot of SPDX tags and
 license boilerplate cleanups as well, which provide some churn in the
 diffstat.
 
 Other major thing is the typec code that moved out of staging and into
 the "real" part of the drivers/usb/ tree, which was nice to see happen.
 
 All of these have been in linux-next with no reported issues for a
 while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB/PHY updates from Greg KH:
 "Here is the big set of USB and PHY driver updates for 4.15-rc1.

  There is the usual amount of gadget and xhci driver updates, along
  with phy and chipidea enhancements. There's also a lot of SPDX tags
  and license boilerplate cleanups as well, which provide some churn in
  the diffstat.

  Other major thing is the typec code that moved out of staging and into
  the "real" part of the drivers/usb/ tree, which was nice to see
  happen.

  All of these have been in linux-next with no reported issues for a
  while"

* tag 'usb-4.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (263 commits)
  usb: gadget: f_fs: Fix use-after-free in ffs_free_inst
  USB: usbfs: compute urb->actual_length for isochronous
  usb: core: message: remember to reset 'ret' to 0 when necessary
  USB: typec: Remove remaining redundant license text
  USB: typec: add SPDX identifiers to some files
  USB: renesas_usbhs: rcar?.h: add SPDX tags
  USB: chipidea: ci_hdrc_tegra.c: add SPDX line
  USB: host: xhci-debugfs: add SPDX lines
  USB: add SPDX identifiers to all remaining Makefiles
  usb: host: isp1362-hcd: remove a couple of redundant assignments
  USB: adutux: remove redundant variable minor
  usb: core: add a new usb_get_ptm_status() helper
  usb: core: add a 'type' parameter to usb_get_status()
  usb: core: introduce a new usb_get_std_status() helper
  usb: core: rename usb_get_status() 'type' argument to 'recip'
  usb: core: add Status Type definitions
  USB: gadget: Remove redundant license text
  USB: gadget: function: Remove redundant license text
  USB: gadget: udc: Remove redundant license text
  USB: gadget: legacy: Remove redundant license text
  ...
2017-11-13 21:14:07 -08:00
Rafael J. Wysocki
29aaf90875 Merge branch 'pm-domains'
* pm-domains:
  PM / Domains: Fix genpd to deal with drivers returning 1 from ->prepare()
  PM / domains: Rework governor code to be more consistent
  PM / Domains: Remove gpd_dev_ops.active_wakeup() callback
  soc: rockchip: power-domain: Use GENPD_FLAG_ACTIVE_WAKEUP
  soc: mediatek: Use GENPD_FLAG_ACTIVE_WAKEUP
  ARM: shmobile: pm-rmobile: Use GENPD_FLAG_ACTIVE_WAKEUP
  PM / Domains: Allow genpd users to specify default active wakeup behavior
  PM / Domains: Add support to select performance-state of domains
  PM / Domains: Rename genpd internals from pm_genpd_* to genpd_*
2017-11-13 01:33:35 +01:00
Neil Armstrong
339cd0ea08 soc: amlogic: meson-gx-pwrc-vpu: fix power-off when powered by bootloader
In the case the VPU power domain has been powered on by the bootloader
and no driver are attached to this power domain, the genpd will power it
off after a certain amount of time, but the clocks hasn't been enabled
by the kernel itself and the power-off will trigger some faults.
This patch enable the clocks to have a coherent state for an eventual
poweroff and switches to the pm_domain_always_on_gov governor.

Fixes: 75fcb5ca4b ("soc: amlogic: add Meson GX VPU Domains driver")
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Tested-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2017-11-09 11:42:17 +01:00
Geert Uytterhoeven
89c7aea915 soc: rockchip: power-domain: Use GENPD_FLAG_ACTIVE_WAKEUP
Set the newly introduced GENPD_FLAG_ACTIVE_WAKEUP, which allows to
remove the driver's own flag-based callback.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-11-08 01:00:47 +01:00
Geert Uytterhoeven
7534d181a8 soc: mediatek: Use GENPD_FLAG_ACTIVE_WAKEUP
Set the newly introduced GENPD_FLAG_ACTIVE_WAKEUP, which allows to
remove the driver's own flag-based callback.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-11-08 01:00:47 +01:00
Arnd Bergmann
d771d62e31 soc: qcom: remove unused label
The newly added driver comes with a harmless warning:

drivers/soc/qcom/rmtfs_mem.c: In function 'qcom_rmtfs_mem_probe':
drivers/soc/qcom/rmtfs_mem.c:211:1: error: label 'remove_cdev' defined but not used [-Werror=unused-label]

This removes the unused label to avoid the warning.

Fixes: 702baebb8e00 ("soc: qcom: Remote filesystem memory driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2017-11-03 13:24:56 +01:00
Arnd Bergmann
30f3b0678c soc: amlogic: gx pm domain: add PM and OF dependencies
The new driver introduces harmless warnings:

warning: (PM_RMOBILE && ARCH_RCAR_GEN1 && ARCH_RCAR_GEN2 && ARCH_R7S72100 && MESON_GX_PM_DOMAINS) selects PM_GENERIC_DOMAINS which has unmet direct dependencies (PM)
warning: (MESON_GX_PM_DOMAINS) selects PM_GENERIC_DOMAINS_OF which has unmet direct dependencies (PM_GENERIC_DOMAINS && OF)

This adds CONFIG_OF and CONFIG_PM dependencies to ensure it
will only be enabled in valid configurations.

Fixes: 75fcb5ca4b ("soc: amlogic: add Meson GX VPU Domains driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2017-11-02 23:43:55 +01:00
Arnd Bergmann
e54a7867f3 Amlogic drivers for v4.15, round 2
- add PM domain driver for GX VPU
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Merge tag 'amlogic-drivers-2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into next/drivers

Pull "Amlogic drivers for v4.15, round 2" from Kevin Hilman:

- add PM domain driver for GX VPU

* tag 'amlogic-drivers-2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
  dt-bindings: power: add amlogic meson power domain bindings
  soc: amlogic: add Meson GX VPU Domains driver
2017-11-02 16:36:23 +01:00
Arnd Bergmann
9855b3db51 - add 32 bit read/write support to pwrap
- add mt7622 support to pwrap
 - test build all mediatek soc drivers
 - fix compiler issues
 - clean up Kconfig description
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Merge tag 'v4.14-next-soc' of https://github.com/mbgg/linux-mediatek into next/drivers

Pull "Mediatek: soc driver updates for v4.15" from Matthias Brugger:

- add 32 bit read/write support to pwrap
- add mt7622 support to pwrap
- test build all mediatek soc drivers
- fix compiler issues
- clean up Kconfig description

* tag 'v4.14-next-soc' of https://github.com/mbgg/linux-mediatek:
  soc: mediatek: pwrap: fix fatal compiler error
  soc: mediatek: pwrap: fix compiler errors
  arm64: mediatek: cleanup message for platform selection
  soc: Allow test-building of MediaTek drivers
  soc: mediatek: place Kconfig for all SoC drivers under menu
  soc: mediatek: pwrap: add support for MT7622 SoC
  soc: mediatek: pwrap: add common way for setup CS timing extenstion
  soc: mediatek: pwrap: add MediaTek MT6380 as one slave of pwrap
  soc: mediatek: pwrap: refactor pwrap_init for the various PMIC types
  soc: mediatek: pwrap: add pwrap_write32 for writing in 32-bit mode
  soc: mediatek: pwrap: add pwrap_read32 for reading in 32-bit mode
  dt-bindings: arm: mediatek: add MT7622 string to the PMIC wrapper doc
  ARM: mediatek: Cocci spatch "of_table"
  soc: mediatek: pwrap: fixup warnings from coding style
2017-11-02 16:29:56 +01:00
Arnd Bergmann
84cbda2fec soc for 4.15
- add SoC ids for the sama5d2 SiPs
  - Improve the AT91 maintainers entry
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Merge tag 'at91-ab-4.15-soc' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/abelloni/linux into next/drivers

Pull "soc for 4.15" from Alexandre Belloni:

 - add SoC ids for the sama5d2 SiPs
 - Improve the AT91 maintainers entry

* tag 'at91-ab-4.15-soc' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
  MAINTAINERS: Add SoC drivers to AT91 entry
  drivers: soc: atmel: Add basic support for new sama5d2 SiPs
2017-11-02 16:28:44 +01:00
Arnd Bergmann
f3e69db2c0 Amlogic drivers for v4.15
- add SoC info driver for 32-bit Amlogic SoCs
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Merge tag 'amlogic-drivers' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into next/drivers

Pull "Amlogic drivers for v4.15" from Kevin Hilman:

- add SoC info driver for 32-bit Amlogic SoCs

* tag 'amlogic-drivers' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
  soc: amlogic: Add Meson6/Meson8/Meson8b/Meson8m2 SoC Information driver
2017-11-02 16:26:05 +01:00
Arnd Bergmann
ae1d77fce7 Qualcomm ARM Based Driver Updates for v4.15 Part 2
* Add Qualcomm Remote Filesystem Memory driver
 * Add OF linkage for RMTFS
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Merge tag 'qcom-drivers-for-4.15-2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/agross/linux into next/drivers

Pull "Qualcomm ARM Based Driver Updates for v4.15 Part 2" from Andy Gross:

* Add Qualcomm Remote Filesystem Memory driver
* Add OF linkage for RMTFS

* tag 'qcom-drivers-for-4.15-2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/agross/linux:
  soc: qcom: Remote filesystem memory driver
  dt-binding: soc: qcom: Add binding for rmtfs memory
  of: reserved_mem: Accessor for acquiring reserved_mem
  of/platform: Generalize /reserved-memory handling
2017-11-02 16:24:36 +01:00
Arnd Bergmann
4e53097313 soc/tegra: Changes for v4.15-rc1
Contains a fix to the generic power domain driver to properly report
 errors propagated from BPMP.
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Merge tag 'tegra-for-4.15-soc' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers

Pull "soc/tegra: Changes for v4.15-rc1" from Thierry Reding:

Contains a fix to the generic power domain driver to properly report
errors propagated from BPMP.

* tag 'tegra-for-4.15-soc' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  soc/tegra: bpmp: Check BPMP response return code
2017-11-02 16:16:09 +01:00
Greg Kroah-Hartman
b24413180f License cleanup: add SPDX GPL-2.0 license identifier to files with no license
Many source files in the tree are missing licensing information, which
makes it harder for compliance tools to determine the correct license.

By default all files without license information are under the default
license of the kernel, which is GPL version 2.

Update the files which contain no license information with the 'GPL-2.0'
SPDX license identifier.  The SPDX identifier is a legally binding
shorthand, which can be used instead of the full boiler plate text.

This patch is based on work done by Thomas Gleixner and Kate Stewart and
Philippe Ombredanne.

How this work was done:

Patches were generated and checked against linux-4.14-rc6 for a subset of
the use cases:
 - file had no licensing information it it.
 - file was a */uapi/* one with no licensing information in it,
 - file was a */uapi/* one with existing licensing information,

Further patches will be generated in subsequent months to fix up cases
where non-standard license headers were used, and references to license
had to be inferred by heuristics based on keywords.

The analysis to determine which SPDX License Identifier to be applied to
a file was done in a spreadsheet of side by side results from of the
output of two independent scanners (ScanCode & Windriver) producing SPDX
tag:value files created by Philippe Ombredanne.  Philippe prepared the
base worksheet, and did an initial spot review of a few 1000 files.

The 4.13 kernel was the starting point of the analysis with 60,537 files
assessed.  Kate Stewart did a file by file comparison of the scanner
results in the spreadsheet to determine which SPDX license identifier(s)
to be applied to the file. She confirmed any determination that was not
immediately clear with lawyers working with the Linux Foundation.

Criteria used to select files for SPDX license identifier tagging was:
 - Files considered eligible had to be source code files.
 - Make and config files were included as candidates if they contained >5
   lines of source
 - File already had some variant of a license header in it (even if <5
   lines).

All documentation files were explicitly excluded.

The following heuristics were used to determine which SPDX license
identifiers to apply.

 - when both scanners couldn't find any license traces, file was
   considered to have no license information in it, and the top level
   COPYING file license applied.

   For non */uapi/* files that summary was:

   SPDX license identifier                            # files
   ---------------------------------------------------|-------
   GPL-2.0                                              11139

   and resulted in the first patch in this series.

   If that file was a */uapi/* path one, it was "GPL-2.0 WITH
   Linux-syscall-note" otherwise it was "GPL-2.0".  Results of that was:

   SPDX license identifier                            # files
   ---------------------------------------------------|-------
   GPL-2.0 WITH Linux-syscall-note                        930

   and resulted in the second patch in this series.

 - if a file had some form of licensing information in it, and was one
   of the */uapi/* ones, it was denoted with the Linux-syscall-note if
   any GPL family license was found in the file or had no licensing in
   it (per prior point).  Results summary:

   SPDX license identifier                            # files
   ---------------------------------------------------|------
   GPL-2.0 WITH Linux-syscall-note                       270
   GPL-2.0+ WITH Linux-syscall-note                      169
   ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause)    21
   ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)    17
   LGPL-2.1+ WITH Linux-syscall-note                      15
   GPL-1.0+ WITH Linux-syscall-note                       14
   ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause)    5
   LGPL-2.0+ WITH Linux-syscall-note                       4
   LGPL-2.1 WITH Linux-syscall-note                        3
   ((GPL-2.0 WITH Linux-syscall-note) OR MIT)              3
   ((GPL-2.0 WITH Linux-syscall-note) AND MIT)             1

   and that resulted in the third patch in this series.

 - when the two scanners agreed on the detected license(s), that became
   the concluded license(s).

 - when there was disagreement between the two scanners (one detected a
   license but the other didn't, or they both detected different
   licenses) a manual inspection of the file occurred.

 - In most cases a manual inspection of the information in the file
   resulted in a clear resolution of the license that should apply (and
   which scanner probably needed to revisit its heuristics).

 - When it was not immediately clear, the license identifier was
   confirmed with lawyers working with the Linux Foundation.

 - If there was any question as to the appropriate license identifier,
   the file was flagged for further research and to be revisited later
   in time.

In total, over 70 hours of logged manual review was done on the
spreadsheet to determine the SPDX license identifiers to apply to the
source files by Kate, Philippe, Thomas and, in some cases, confirmation
by lawyers working with the Linux Foundation.

Kate also obtained a third independent scan of the 4.13 code base from
FOSSology, and compared selected files where the other two scanners
disagreed against that SPDX file, to see if there was new insights.  The
Windriver scanner is based on an older version of FOSSology in part, so
they are related.

Thomas did random spot checks in about 500 files from the spreadsheets
for the uapi headers and agreed with SPDX license identifier in the
files he inspected. For the non-uapi files Thomas did random spot checks
in about 15000 files.

In initial set of patches against 4.14-rc6, 3 files were found to have
copy/paste license identifier errors, and have been fixed to reflect the
correct identifier.

Additionally Philippe spent 10 hours this week doing a detailed manual
inspection and review of the 12,461 patched files from the initial patch
version early this week with:
 - a full scancode scan run, collecting the matched texts, detected
   license ids and scores
 - reviewing anything where there was a license detected (about 500+
   files) to ensure that the applied SPDX license was correct
 - reviewing anything where there was no detection but the patch license
   was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied
   SPDX license was correct

This produced a worksheet with 20 files needing minor correction.  This
worksheet was then exported into 3 different .csv files for the
different types of files to be modified.

These .csv files were then reviewed by Greg.  Thomas wrote a script to
parse the csv files and add the proper SPDX tag to the file, in the
format that the file expected.  This script was further refined by Greg
based on the output to detect more types of files automatically and to
distinguish between header and source .c files (which need different
comment types.)  Finally Greg ran the script using the .csv files to
generate the patches.

Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-11-02 11:10:55 +01:00
Neil Armstrong
75fcb5ca4b soc: amlogic: add Meson GX VPU Domains driver
The Video Processing Unit needs a specific Power Domain powering scheme
this driver handles this as a PM Power Domain driver.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
2017-10-29 07:25:53 -07:00
Bjorn Andersson
d1de6d6c63 soc: qcom: Remote filesystem memory driver
The Qualcomm remote file system protocol is used by certain remoteprocs,
in particular the modem, to read and write persistent storage in
platforms where only the application CPU has physical storage access.

The protocol is based on a set of QMI-encoded control-messages and a
shared memory buffer for exchaning the data. This driver implements the
latter, providing the user space service access to the carved out chunk
of memory.

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2017-10-22 05:06:34 -05:00
Matthias Brugger
f32fbbadaf soc: mediatek: pwrap: fix fatal compiler error
When adding the MT6380 compatible, the sentinel for of_device_id was
deleted, which leades to the following compiler error:
FATAL: drivers/soc/mediatek/mtk-pmic-wrap: struct of_device_id is not terminated with a NULL entry!

Fix this by adding the sentinel again.

Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2017-10-21 10:23:28 +02:00
Matthias Brugger
fb2c1934f3 soc: mediatek: pwrap: fix compiler errors
When compiling using sparse, we got the following error:
drivers/soc/mediatek/mtk-pmic-wrap.c:686:25: error: dubious one-bit signed bitfield

Changing the data type to unsigned fixes this.

Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2017-10-21 10:17:47 +02:00
Arnd Bergmann
1c6788e874 FSL/NXP ARM SoC drivers updates for 4.14
This adds the DPAA QBMan support for ARM SoCs and a few minor fixes/updates.
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Merge tag 'soc-fsl-for-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux into next/drivers

Pull "FSL/NXP ARM SoC drivers updates for 4.14" from Li Yang:

This adds the DPAA QBMan support for ARM SoCs and a few minor fixes/updates.

This pull request includes updates to the QMAN/BMAN drivers to make
them work on the arm/arm64 architectures in addition to the power
architecture and a few minor update/bug-fix to the soc/fsl drivers.

We got the Reviewed-by from Catalin on the ARM architecture side.

DPAA (Data Path Acceleration Architecture) is a set of hardware
components used on some FSL/NXP QorIQ Networking SoCs, it provides the
infrastructure to support simplified sharing of networking interfaces
and accelerators by multiple CPU cores, and the accelerators
themselves.  The QMan(Queue Manager) and BMan(Buffer Manager) are
infrastructural components within the DPAA framework.  They are used to
manage queues and buffers for various I/O interfaces, hardware
accelerators.

* tag 'soc-fsl-for-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux:
  soc/fsl/qbman: Enable FSL_LAYERSCAPE config on ARM
  soc/fsl/qbman: Add missing headers on ARM
  soc/fsl/qbman: different register offsets on ARM
  soc/fsl/qbman: add QMAN_REV32
  soc/fsl/qbman: Rework portal mapping calls for ARM/PPC
  soc/fsl/qbman: Fix ARM32 typo
  soc/fsl/qbman: Drop L1_CACHE_BYTES compile time check
  soc/fsl/qbman: Drop set/clear_bits usage
  dt-bindings: soc/fsl: Update reserved memory binding for QBMan
  soc/fsl/qbman: Use shared-dma-pool for QMan private memory allocations
  soc/fsl/qbman: Use shared-dma-pool for BMan private memory allocations
  soc/fsl/qbman: Add common routine for QBMan private allocations
  soc/fsl/guts: Add compatible string for LS1088
  soc/fsl/qman: Sleep instead of stuck hacking jiffies
2017-10-20 22:43:05 +02:00
Arnd Bergmann
8a36c27d19 Qualcomm ARM Based Driver Updates for v4.15
* Add SCM firmware APIs for download mode and secure IO service
 * Add SMEM support for cached entries
 * Add SMEM support for global partition, dynamic item limit, and more hosts
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Merge tag 'qcom-drivers-for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into next/drivers

Pull "Qualcomm ARM Based Driver Updates for v4.15" from Andy Gross:

* Add SCM firmware APIs for download mode and secure IO service
* Add SMEM support for cached entries
* Add SMEM support for global partition, dynamic item limit, and more hosts

* tag 'qcom-drivers-for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
  firmware: qcom: scm: Expose download-mode control
  firmware: qcom: scm: Expose secure IO service
  soc: qcom: smem: Increase the number of hosts
  soc: qcom: smem: Support dynamic item limit
  soc: qcom: smem: Support global partition
  soc: qcom: smem: Read version from the smem header
  soc: qcom: smem: Use le32_to_cpu for comparison
  soc: qcom: smem: Support getting cached entries
  soc: qcom: smem: Rename "uncached" accessors
2017-10-20 22:34:41 +02:00
Arnd Bergmann
ea9e3fbc17 Samsung soc drivers changes for v4.15
Remove of Exynos4212 related dead code (no more support for this SoC).
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Merge tag 'samsung-drivers-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/drivers

Pull "Samsung soc drivers changes for v4.15" from Krzysztof Kozłowski:

Remove of Exynos4212 related dead code (no more support for this SoC).

* tag 'samsung-drivers-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
  soc: samsung: Remove Exynos4212 related dead code
2017-10-20 22:33:54 +02:00
Arnd Bergmann
4b367f2e88 Renesas ARM Based SoC Drivers Updates for v4.15
Add basic support for R-Car V3M (R8A77970) SoC.
 
 Sergei Shtylyov says:
 
 * Add support for R-Car V3M (R8A77970) SoC power areas to the R-Car SYSC
   driver
 
 * Add support for identifying the R-Car V3M (R8A77970) SoC
 
 * Add support for R-Car V3M (R8A77970) to the R-Car RST driver -- this
   driver is  needed  for the clock driver to work
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Merge tag 'renesas-drivers-for-v4.15' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/drivers

Pull "Renesas ARM Based SoC Drivers Updates for v4.15" from Simon Horman:

Add basic support for R-Car V3M (R8A77970) SoC.

Sergei Shtylyov says:

* Add support for R-Car V3M (R8A77970) SoC power areas to the R-Car SYSC
  driver

* Add support for identifying the R-Car V3M (R8A77970) SoC

* Add support for R-Car V3M (R8A77970) to the R-Car RST driver -- this
  driver is  needed  for the clock driver to work

* tag 'renesas-drivers-for-v4.15' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  soc: renesas: rcar-sysc: add R8A77970 support
  soc: renesas: identify R-Car V3M
  soc: renesas: rcar-rst: add R8A77970 support
2017-10-20 22:27:58 +02:00
Jean Delvare
ab86ba2f8c soc: Allow test-building of MediaTek drivers
The COMPILE_TEST alternative dependency allows test-building the
drivers but only as long as the build system itself will look into
the directory where the drivers reside.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: Sean Wang <sean.wang@mediatek.com>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Acked-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2017-10-20 12:08:36 +02:00
Sean Wang
31d7b359a9 soc: mediatek: place Kconfig for all SoC drivers under menu
Add cleanup for placing all Kconfig for all MediaTek SoC drivers under
the independent menu as other SoCs vendor usually did. Since the menu
would be shown depending on "ARCH_MEDIATEK || COMPILE_TEST" selected and
MTK_PMIC_WRAP is still safe compiling with the case of "COMPILE_TEST"
only, the superfluous dependency for those items under the menu also is
also being removed for the sake of simplicity.

Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2017-10-20 12:08:01 +02:00
Chenglin Xu
69d0c060ac soc: mediatek: pwrap: add support for MT7622 SoC
Add the registers, callbacks and data structures required to make the
PMIC wrapper work on MT7622.

Signed-off-by: Chenglin Xu <chenglin.xu@mediatek.com>
Signed-off-by: Chen Zhong <chen.zhong@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2017-10-20 11:54:39 +02:00
Sean Wang
68189ed59d soc: mediatek: pwrap: add common way for setup CS timing extenstion
Multiple platforms would always use their own way handling CS timing
extension on the bus which leads to a little bit code duplication.
Therefore, the patch groups the similar logic to handle CS timing
extension into the common function which allows the following SoCs
have more reusability for configing CS timing.

Signed-off-by: Chenglin Xu <chenglin.xu@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2017-10-20 11:54:38 +02:00
Sean Wang
7f80f10078 soc: mediatek: pwrap: add MediaTek MT6380 as one slave of pwrap
Add MediaTek MT6380 regulator becoming one of PMIC wrapper slave
and also add extra new regmap_config of 32-bit mode for MT6380
since old regmap_config of 16-bit mode can't be fit into the need.

Signed-off-by: Chenglin Xu <chenglin.xu@mediatek.com>
Signed-off-by: Chen Zhong <chen.zhong@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2017-10-20 11:54:38 +02:00
Sean Wang
d56b31e2ea soc: mediatek: pwrap: refactor pwrap_init for the various PMIC types
pwrap initialization is highly associated with the base SoC and the
target PMICs, so slight refactorization is made here for allowing
pwrap_init to run on those PMICs with different capability from the
previous MediaTek PMICs and the determination for the enablement of the
pwrap capability depending on PMIC type. Apart from this, the patch
makes the driver more extensible especially when more PMICs join into
the pwrap driver.

Signed-off-by: Chenglin Xu <chenglin.xu@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2017-10-20 11:54:37 +02:00
Sean Wang
a10616f053 soc: mediatek: pwrap: add pwrap_write32 for writing in 32-bit mode
Some regulators such as MediaTek MT6380 also has to be written in
32-bit mode. So the patch adds pwrap_write32, rename old pwrap_write
into pwrap_write16 and one additional function pointer is introduced
for increasing flexibility allowing the determination which mode is
used by the pwrap slave detection through device tree.

Signed-off-by: Chenglin Xu <chenglin.xu@mediatek.com>
Signed-off-by: Chen Zhong <chen.zhong@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2017-10-20 11:54:37 +02:00
Sean Wang
ec83368635 soc: mediatek: pwrap: add pwrap_read32 for reading in 32-bit mode
Some regulators such as MediaTek MT6380 has to be read in 32-bit mode.
So the patch adds pwrap_read32, rename old pwrap_read into pwrap_read16
and one function pointer is introduced for increasing flexibility allowing
the determination which mode is used by the pwrap slave detection through
device tree.

Signed-off-by: Chenglin Xu <chenglin.xu@mediatek.com>
Signed-off-by: Chen Zhong <chen.zhong@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2017-10-20 11:54:36 +02:00
Timo Alho
775dba87f8 soc/tegra: bpmp: Check BPMP response return code
Add checks for the return code in BPMP response messages.

Signed-off-by: Timo Alho <talho@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2017-10-19 16:33:57 +02:00
Chris Lew
e691b48dcc soc: qcom: smem: Increase the number of hosts
Increase the maximum number of hosts in a system to 10.

Signed-off-by: Chris Lew <clew@codeaurora.org>
Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2017-10-11 23:48:27 -05:00
Chris Lew
5b39406761 soc: qcom: smem: Support dynamic item limit
In V12 SMEM, SBL writes SMEM parameter information after the TOC. Use
the SBL provided item count as the max item number.

Signed-off-by: Chris Lew <clew@codeaurora.org>
Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2017-10-11 23:48:27 -05:00
Chris Lew
d52e404874 soc: qcom: smem: Support global partition
SMEM V12 creates a global partition to allocate global smem items from
instead of a global heap. The global partition has the same structure as
a private partition.

Signed-off-by: Chris Lew <clew@codeaurora.org>
Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2017-10-11 23:48:27 -05:00
Chris Lew
dcc0967dd7 soc: qcom: smem: Read version from the smem header
The SMEM header structure includes the version information. Read the
version directly from the header instead of getting an item from the
global heap.

Signed-off-by: Chris Lew <clew@codeaurora.org>
Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2017-10-11 23:48:27 -05:00
Chris Lew
a216000f01 soc: qcom: smem: Use le32_to_cpu for comparison
Endianness can vary in the system, add le32_to_cpu when comparing
partition sizes from smem.

Signed-off-by: Chris Lew <clew@codeaurora.org>
Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2017-10-11 23:48:27 -05:00
Bjorn Andersson
c7c1dc3587 soc: qcom: smem: Support getting cached entries
On msm8996 cached SMEM items are used for storing the GLINK FIFOs, so
for items not found in the uncached list we need to also search the
cased list for these items.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2017-10-11 16:58:11 -05:00
Bjorn Andersson
01f1415444 soc: qcom: smem: Rename "uncached" accessors
In preparation for adding accessors for "cached" entries rename the
"uncached" accessors. Also rename "first" cached entry to "last", as
the cached list grows backwards.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2017-10-11 16:58:11 -05:00
Sean Wang
cbd71f0aaa soc: mediatek: pwrap: fixup warnings from coding style
fixup those warnings such as lines over 80 words and parenthesis
alignment which would be complained by checkpatch.pl.

Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2017-10-10 12:02:52 +02:00
Marek Szyprowski
c40610198f soc: samsung: Remove Exynos4212 related dead code
Support for Exynos4212 SoCs has been removed by commit bca9085e0a ("ARM:
dts: exynos: remove Exynos4212 support (dead code)"), so there is no need
to keep remaining dead code related to this SoC version.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
2017-10-08 14:17:13 +02:00
Martin Blumenstingl
5e68c0fc8d soc: amlogic: Add Meson6/Meson8/Meson8b/Meson8m2 SoC Information driver
Amlogic SoCs have an information register which contains the SoC type
and revision information.
This patchs adds support for decoding those registers and exposing the
resulting information via the SoC bus infrastructure.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
2017-10-06 15:36:17 -07:00
Al Cooper
7f20333fe7 soc: brcmstb: Add Product ID and Family ID helper functions
Add Product ID and Family ID helper functions for brcmstb soc.

Signed-off-by: Al Cooper <alcooperx@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2017-10-03 11:54:54 +05:30
Justin Chen
0e9b114132 soc bcm: brcmstb: Add support for S2/S3/S5 suspend states (MIPS)
This commit adds support for the Broadcom STB S2/S3/S5 suspend
states on MIPS based SoCs.

This requires quite a lot of code in order to deal with the
different HW blocks that need to be quiesced during suspend:

- DDR PHY
- DDR memory controller and arbiter
- control processor

The final steps of the suspend execute in cache and there is is a little
bit of assembly code in order to shut down the DDR PHY PLL and then go
into a wait loop until a wake-up even occurs. Conversely the resume part
involves waiting for the DDR PHY PLL to come back up and resume
executions where we left.

Signed-off-by: Justin Chen <justinpopo6@gmail.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2017-09-25 11:47:14 -07:00
Brian Norris
0b741b8234 soc: bcm: brcmstb: Add support for S2/S3/S5 suspend states (ARM)
This commit adds support for the Broadcom STB S2/S3/S5 suspend states on
ARM based SoCs.

This requires quite a lot of code in order to deal with the different HW
blocks that need to be quiesced during suspend:

- DDR PHY SHIM
- DDR memory controller and sequencer
- control processor

The final steps of the suspend execute in an on-chip SRAM and there is a
little bit of assembly code in order to shut down the DDR PHY PLL and
then go into a wfi loop until a wake-up even occurs. Conversely the
resume part involves waiting for the DDR PHY PLL to come back up and
resume executions where we left.

For S3, because of our memory hashing (actual hashing code not included
for simplicity, and is bypassed) we need to relocate the writable
variables (stack) into SRAM shortly before suspending in order to leave
the DRAM untouched and create a reliable hash of its contents.

This code has been contributed by Brian Norris initially and has been
incrementally fixed and updated to support new chips by a lot of people.

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Markus Mayer <mmayer@broadcom.com>
Signed-off-by: Justin Chen <justinpopo6@gmail.com>
Signed-off-by: Gareth Powell <gpowell@broadcom.com>
Signed-off-by: Doug Berger <opendmb@gmail.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2017-09-25 11:46:48 -07:00
Madalin Bucur
e868adf21c soc/fsl/qbman: Enable FSL_LAYERSCAPE config on ARM
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
[Stuart: changed to use ARCH_LAYERSCAPE]
Signed-off-by: Stuart Yoder <stuart.yoder@nxp.com>
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
2017-09-22 13:33:07 -05:00
Claudiu Manoil
e6b909fe84 soc/fsl/qbman: Add missing headers on ARM
Unlike PPC builds, ARM builds need following headers
explicitly:
+#include <linux/io.h>		for ioread32be()
+#include <linux/delay.h>		for udelay()

Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
2017-09-22 13:33:07 -05:00
Madalin Bucur
21772c4355 soc/fsl/qbman: different register offsets on ARM
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
2017-09-22 13:33:07 -05:00
Madalin Bucur
2c62f8b6fb soc/fsl/qbman: add QMAN_REV32
Add revision 3.2 of the QBMan block.  This is the version
for LS1043A and LS1046A SoCs.

Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
2017-09-22 13:33:07 -05:00
Roy Pledge
e6e2df69c8 soc/fsl/qbman: Rework portal mapping calls for ARM/PPC
Rework portal mapping for PPC and ARM. The PPC devices require a
cacheable coherent mapping while ARM will work with a non-cachable/write
combine mapping. This also eliminates the need for manual cache
flushes on ARM. This also fixes the code so sparse checking is clean.

Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
2017-09-22 13:33:07 -05:00
Valentin Rothberg
219e8e0580 soc/fsl/qbman: Fix ARM32 typo
The Kconfig symbol for 32bit ARM is 'ARM', not 'ARM32'.

Signed-off-by: Valentin Rothberg <valentinrothberg@gmail.com>
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
2017-09-22 13:33:07 -05:00
Claudiu Manoil
6111d19836 soc/fsl/qbman: Drop L1_CACHE_BYTES compile time check
Not relevant and arch dependent. Overkill for PPC.

Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
2017-09-22 13:33:07 -05:00
Madalin Bucur
f5bd229960 soc/fsl/qbman: Drop set/clear_bits usage
Replace PPC specific set/clear_bits API with standard
bit twiddling so driver is portalable outside PPC.

Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
2017-09-22 13:33:07 -05:00
Roy Pledge
07f86917a4 soc/fsl/qbman: Use shared-dma-pool for QMan private memory allocations
Use the shared-memory-pool mechanism for frame queue descriptor and
packed frame descriptor record area allocations.

Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
2017-09-22 13:33:07 -05:00
Roy Pledge
5ae783c6a1 soc/fsl/qbman: Use shared-dma-pool for BMan private memory allocations
Use the shared-memory-pool mechanism for free buffer proxy record
area allocation.

Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
2017-09-22 13:33:07 -05:00
Roy Pledge
42d0349784 soc/fsl/qbman: Add common routine for QBMan private allocations
The QBMan device uses several memory regions to manage frame
queues and buffers. Add a common routine for extracting and
initializing these reserved memory areas.

Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
2017-09-22 13:33:07 -05:00
ashish kumar
b496468083 soc/fsl/guts: Add compatible string for LS1088
Adding compatible string "ls1088a-dcfg" so that
guts driver can be init for ls1088

Signed-off-by: Ashish Kumar <Ashish.Kumar@nxp.com>
Signed-off-by: Amrita Kumari <amrita.kumari@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
2017-09-22 13:33:07 -05:00
Karim Eshapa
7ce2e93417 soc/fsl/qman: Sleep instead of stuck hacking jiffies
Use msleep() instead of stucking with long delay will be more efficient.

Signed-off-by: Karim Eshapa <karim.eshapa@gmail.com>
Acked-by: Scott Wood <oss@buserror.net>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
2017-09-22 13:32:57 -05:00
Sergei Shtylyov
bab9b2a74f soc: renesas: rcar-sysc: add R8A77970 support
Add support for R-Car V3M (R8A77970) SoC power areas to the R-Car SYSC
driver.

Based on the original (and large) patch by Daisuke Matsushita
<daisuke.matsushita.ns@hitachi.com>.

Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-09-18 09:46:50 +02:00
Sergei Shtylyov
bb0030752f soc: renesas: identify R-Car V3M
Add support for identifying the R-Car V3M (R8A77970) SoC.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-09-18 07:59:58 +02:00
Sergei Shtylyov
17760376ae soc: renesas: rcar-rst: add R8A77970 support
Add support for R-Car V3M (R8A77970) to the R-Car RST driver -- this driver
is  needed  for the clock driver to work.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-09-18 07:59:55 +02:00
Cristian Birsan
cd2e9be89a drivers: soc: atmel: Add basic support for new sama5d2 SiPs
Add basic support for new sama5d2 System in a Package chips.

Signed-off-by: Cristian Birsan <cristian.birsan@microchip.com>
[claudiu.beznea@microchip.com: use MiB instead of MB]
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2017-09-17 19:45:59 +02:00
Linus Torvalds
7318413077 Merge branch '4.14-features' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull MIPS updates from Ralf Baechle:
 "This is the main pull request for 4.14 for MIPS; below a summary of
  the non-merge commits:

  CM:
   - Rename mips_cm_base to mips_gcr_base
   - Specify register size when generating accessors
   - Use BIT/GENMASK for register fields, order & drop shifts
   - Add cluster & block args to mips_cm_lock_other()

  CPC:
   - Use common CPS accessor generation macros
   - Use BIT/GENMASK for register fields, order & drop shifts
   - Introduce register modify (set/clear/change) accessors
   - Use change_*, set_* & clear_* where appropriate
   - Add CM/CPC 3.5 register definitions
   - Use GlobalNumber macros rather than magic numbers
   - Have asm/mips-cps.h include CM & CPC headers
   - Cluster support for topology functions
   - Detect CPUs in secondary clusters

  CPS:
   - Read GIC_VL_IDENT directly, not via irqchip driver

  DMA:
   - Consolidate coherent and non-coherent dma_alloc code
   - Don't use dma_cache_sync to implement fd_cacheflush

  FPU emulation / FP assist code:
   - Another series of 14 commits fixing corner cases such as NaN
     propgagation and other special input values.
   - Zero bits 32-63 of the result for a CLASS.D instruction.
   - Enhanced statics via debugfs
   - Do not use bools for arithmetic. GCC 7.1 moans about this.
   - Correct user fault_addr type

  Generic MIPS:
   - Enhancement of stack backtraces
   - Cleanup from non-existing options
   - Handle non word sized instructions when examining frame
   - Fix detection and decoding of ADDIUSP instruction
   - Fix decoding of SWSP16 instruction
   - Refactor handling of stack pointer in get_frame_info
   - Remove unreachable code from force_fcr31_sig()
   - Convert to using %pOF instead of full_name
   - Remove the R6000 support.
   - Move FP code from *_switch.S to *_fpu.S
   - Remove unused ST_OFF from r2300_switch.S
   - Allow platform to specify multiple its.S files
   - Add #includes to various files to ensure code builds reliable and
     without warning..
   - Remove __invalidate_kernel_vmap_range
   - Remove plat_timer_setup
   - Declare various variables & functions static
   - Abstract CPU core & VP(E) ID access through accessor functions
   - Store core & VP IDs in GlobalNumber-style variable
   - Unify checks for sibling CPUs
   - Add CPU cluster number accessors
   - Prevent direct use of generic_defconfig
   - Make CONFIG_MIPS_MT_SMP default y
   - Add __ioread64_copy
   - Remove unnecessary inclusions of linux/irqchip/mips-gic.h

  GIC:
   - Introduce asm/mips-gic.h with accessor functions
   - Use new GIC accessor functions in mips-gic-timer
   - Remove counter access functions from irq-mips-gic.c
   - Remove gic_read_local_vp_id() from irq-mips-gic.c
   - Simplify shared interrupt pending/mask reads in irq-mips-gic.c
   - Simplify gic_local_irq_domain_map() in irq-mips-gic.c
   - Drop gic_(re)set_mask() functions in irq-mips-gic.c
   - Remove gic_set_polarity(), gic_set_trigger(), gic_set_dual_edge(),
     gic_map_to_pin() and gic_map_to_vpe() from irq-mips-gic.c.
   - Convert remaining shared reg access, local int mask access and
     remaining local reg access to new accessors
   - Move GIC_LOCAL_INT_* to asm/mips-gic.h
   - Remove GIC_CPU_INT* macros from irq-mips-gic.c
   - Move various definitions to the driver
   - Remove gic_get_usm_range()
   - Remove __gic_irq_dispatch() forward declaration
   - Remove gic_init()
   - Use mips_gic_present() in place of gic_present and remove
     gic_present
   - Move gic_get_c0_*_int() to asm/mips-gic.h
   - Remove linux/irqchip/mips-gic.h
   - Inline __gic_init()
   - Inline gic_basic_init()
   - Make pcpu_masks a per-cpu variable
   - Use pcpu_masks to avoid reading GIC_SH_MASK*
   - Clean up mti, reserved-cpu-vectors handling
   - Use cpumask_first_and() in gic_set_affinity()
   - Let the core set struct irq_common_data affinity

  microMIPS:
   - Fix microMIPS stack unwinding on big endian systems

  MIPS-GIC:
   - SYNC after enabling GIC region

  NUMA:
   - Remove the unused parent_node() macro

  R6:
   - Constify r2_decoder_tables
   - Add accessor & bit definitions for GlobalNumber

  SMP:
   - Constify smp ops
   - Allow boot_secondary SMP op to return errors

  VDSO:
   - Drop gic_get_usm_range() usage
   - Avoid use of linux/irqchip/mips-gic.h

  Platform changes:

  Alchemy:
   - Add devboard machine type to cpuinfo
   - update cpu feature overrides
   - Threaded carddetect irqs for devboards

  AR7:
   - allow NULL clock for clk_get_rate

  BCM63xx:
   - Fix ENETDMA_6345_MAXBURST_REG offset
   - Allow NULL clock for clk_get_rate

  CI20:
   - Enable GPIO and RTC drivers in defconfig
   - Add ethernet and fixed-regulator nodes to DTS

  Generic platform:
   - Move Boston and NI 169445 FIT image source to their own files
   - Include asm/bootinfo.h for plat_fdt_relocated()
   - Include asm/time.h for get_c0_*_int()
   - Include asm/bootinfo.h for plat_fdt_relocated()
   - Include asm/time.h for get_c0_*_int()
   - Allow filtering enabled boards by requirements
   - Don't explicitly disable CONFIG_USB_SUPPORT
   - Bump default NR_CPUS to 16

  JZ4700:
   - Probe the jz4740-rtc driver from devicetree

  Lantiq:
   - Drop check of boot select from the spi-falcon driver.
   - Drop check of boot select from the lantiq-flash MTD driver.
   - Access boot cause register in the watchdog driver through regmap
   - Add device tree binding documentation for the watchdog driver
   - Add docs for the RCU DT bindings.
   - Convert the fpi bus driver to a platform_driver
   - Remove ltq_reset_cause() and ltq_boot_select(
   - Switch to a proper reset driver
   - Switch to a new drivers/soc GPHY driver
   - Add an USB PHY driver for the Lantiq SoCs using the RCU module
   - Use of_platform_default_populate instead of __dt_register_buses
   - Enable MFD_SYSCON to be able to use it for the RCU MFD
   - Replace ltq_boot_select() with dummy implementation.

  Loongson 2F:
   - Allow NULL clock for clk_get_rate

  Malta:
   - Use new GIC accessor functions

  NI 169445:
   - Add support for NI 169445 board.
   - Only include in 32r2el kernels

  Octeon:
   - Add support for watchdog of 78XX SOCs.
   - Add support for watchdog of CN68XX SOCs.
   - Expose support for mips32r1, mips32r2 and mips64r1
   - Enable more drivers in config file
   - Add support for accessing the boot vector.
   - Remove old boot vector code from watchdog driver
   - Define watchdog registers for 70xx, 73xx, 78xx, F75xx.
   - Make CSR functions node aware.
   - Allow access to CIU3 IRQ domains.
   - Misc cleanups in the watchdog driver

  Omega2+:
   - New board, add support and defconfig

  Pistachio:
   - Enable Root FS on NFS in defconfig

  Ralink:
   - Add Mediatek MT7628A SoC
   - Allow NULL clock for clk_get_rate
   - Explicitly request exclusive reset control in the pci-mt7620 PCI driver.

  SEAD3:
   - Only include in 32 bit kernels by default

  VoCore:
   - Add VoCore as a vendor t0 dt-bindings
   - Add defconfig file"

* '4.14-features' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (167 commits)
  MIPS: Refactor handling of stack pointer in get_frame_info
  MIPS: Stacktrace: Fix microMIPS stack unwinding on big endian systems
  MIPS: microMIPS: Fix decoding of swsp16 instruction
  MIPS: microMIPS: Fix decoding of addiusp instruction
  MIPS: microMIPS: Fix detection of addiusp instruction
  MIPS: Handle non word sized instructions when examining frame
  MIPS: ralink: allow NULL clock for clk_get_rate
  MIPS: Loongson 2F: allow NULL clock for clk_get_rate
  MIPS: BCM63XX: allow NULL clock for clk_get_rate
  MIPS: AR7: allow NULL clock for clk_get_rate
  MIPS: BCM63XX: fix ENETDMA_6345_MAXBURST_REG offset
  mips: Save all registers when saving the frame
  MIPS: Add DWARF unwinding to assembly
  MIPS: Make SAVE_SOME more standard
  MIPS: Fix issues in backtraces
  MIPS: jz4780: DTS: Probe the jz4740-rtc driver from devicetree
  MIPS: Ci20: Enable RTC driver
  watchdog: octeon-wdt: Add support for 78XX SOCs.
  watchdog: octeon-wdt: Add support for cn68XX SOCs.
  watchdog: octeon-wdt: File cleaning.
  ...
2017-09-15 20:43:33 -07:00
Linus Torvalds
ae46654bcf ARM: SoC driver updates for v4.14
This branch contains platform-related driver updates for ARM and ARM64.
 
 Among them:
 
  - Reset driver updates:
   + New API for dealing with arrays of resets
   + Make unimplemented {de,}assert return success on shared resets
   + MSDKv1 driver
   + Removal of obsolete Gemini reset driver
   + Misc updates for sunxi and Uniphier
 
  - SoC drivers:
   + Platform SoC driver registration on Tegra
   + Shuffle of Qualcomm drivers into a submenu
   + Allwinner A64 support for SRAM
   + Renesas R-Car R3 support
   + Power domains for Rockchip RK3366
 
  - Misc updates and smaller fixes for TEE and memory driver subsystems
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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:
 "This branch contains platform-related driver updates for ARM and ARM64.

  Among them:

   - Reset driver updates:
     + New API for dealing with arrays of resets
     + Make unimplemented {de,}assert return success on shared resets
     + MSDKv1 driver
     + Removal of obsolete Gemini reset driver
     + Misc updates for sunxi and Uniphier

   - SoC drivers:
     + Platform SoC driver registration on Tegra
     + Shuffle of Qualcomm drivers into a submenu
     + Allwinner A64 support for SRAM
     + Renesas R-Car R3 support
     + Power domains for Rockchip RK3366

   - Misc updates and smaller fixes for TEE and memory driver
     subsystems"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (54 commits)
  firmware: arm_scpi: fix endianness of dev_id in struct dev_pstate_set
  soc/tegra: fuse: Add missing semi-colon
  soc/tegra: Restrict SoC device registration to Tegra
  drivers: soc: sunxi: add support for A64 and its SRAM C
  drivers: soc: sunxi: add support for remapping func value to reg value
  drivers: soc: sunxi: fix error processing on base address when claiming
  dt-bindings: add binding for Allwinner A64 SRAM controller and SRAM C
  bus: sunxi-rsb: Enable by default for ARM64
  soc/tegra: Register SoC device
  firmware: tegra: set drvdata earlier
  memory: Convert to using %pOF instead of full_name
  soc: Convert to using %pOF instead of full_name
  bus: Convert to using %pOF instead of full_name
  firmware: Convert to using %pOF instead of full_name
  soc: mediatek: add SCPSYS power domain driver for MediaTek MT7622 SoC
  soc: mediatek: add header files required for MT7622 SCPSYS dt-binding
  soc: mediatek: reduce code duplication of scpsys_probe across all SoCs
  dt-bindings: soc: update the binding document for SCPSYS on MediaTek MT7622 SoC
  reset: uniphier: add analog amplifiers reset control
  reset: uniphier: add video input subsystem reset control
  ...
2017-09-10 20:40:00 -07:00
Linus Torvalds
7f1b9be13a ARM/arm64: SoC platform updates for v4.14
This branch contains platform updates for 32- and 64-bit ARM,
 including defconfig updates to enable new options, drivers and
 platforms. There are also a few fixes and cleanups for some existing vendors.
 
 Some of the things worth highlighting here are:
 
  - Enabling new crypt drivers on arm64 defconfig
  - QCOM IPQ8074 clocks and pinctrl drivers on arm64 defconfig
  - Debug support enabled for Renesas r8a7743
  - Various config updates for Renesas platforms (sound, USB, other drivers)
  - Platform support (including SMP) for TI dra762
  - OMAP cleanups: Move to use generic 8250 debug_ll, removal of stale DMA code
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Merge tag 'armsoc-platforms' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM/arm64 SoC platform updates from Olof Johansson: "This branch
  contains platform updates for 32- and 64-bit ARM, including defconfig
  updates to enable new options, drivers and platforms. There are also a
  few fixes and cleanups for some existing vendors.

  Some of the things worth highlighting here are:

   - Enabling new crypt drivers on arm64 defconfig

   - QCOM IPQ8074 clocks and pinctrl drivers on arm64 defconfig

   - Debug support enabled for Renesas r8a7743

   - Various config updates for Renesas platforms (sound, USB, other
     drivers)

   - Platform support (including SMP) for TI dra762

   - OMAP cleanups: Move to use generic 8250 debug_ll, removal of stale
     DMA code"

* tag 'armsoc-platforms' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (109 commits)
  ARM: multi_v7_defconfig: make eSDHC driver built-in
  arm64: defconfig: enable rockchip graphics
  MAINTAINERS: Update Cavium ThunderX2 entry
  ARM: config: aspeed: Add I2C, VUART, LPC Snoop
  ARM: configs: aspeed: Update Aspeed G4 with VMSPLIT_2G
  ARM: s3c24xx: Fix NAND ECC mode for mini2440 board
  ARM: davinci_all_defconfig: enable tinydrm and ST7586
  arm64: defconfig: Enable QCOM IPQ8074 clock and pinctrl
  ARM: defconfig: tegra: Enable ChipIdea UDC driver
  ARM: configs: Add Tegra I2S interfaces to multi_v7_defconfig
  ARM: tegra: Add Tegra I2S interfaces to defconfig
  ARM: tegra: Update default configuration for v4.13-rc1
  MAINTAINERS: update ARM/ZTE entry
  soc: versatile: remove unnecessary static in realview_soc_probe()
  ARM: Convert to using %pOF instead of full_name
  ARM: hisi: Fix typo in comment
  ARM: multi_v7_defconfig: add CONFIG_BRCMSTB_THERMAL
  arm64: defconfig: add CONFIG_BRCMSTB_THERMAL
  arm64: defconfig: add recently added crypto drivers as modules
  arm64: defconfig: enable CONFIG_UNIPHIER_WATCHDOG
  ...
2017-09-10 20:35:46 -07:00
Linus Torvalds
d7efc352ab remoteproc updates for v4.14
This adds and improves remoteproc support for TI DA8xx/OMAP-L13x DSP, TI
 Keystone 66AK2G DSP and iMX6SX/7D Cortex M4 coprocessors. It introduces the
 Qualcomm restart notifier and a few fixes.
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Merge tag 'rproc-v4.14' of git://github.com/andersson/remoteproc

Pull remoteproc updates from Bjorn Andersson:
 "This adds and improves remoteproc support for TI DA8xx/OMAP-L13x DSP,
  TI Keystone 66AK2G DSP and iMX6SX/7D Cortex M4 coprocessors. It
  introduces the Qualcomm restart notifier and a few fixes"

* tag 'rproc-v4.14' of git://github.com/andersson/remoteproc:
  remoteproc: Introduce rproc handle accessor for children
  remoteproc: qcom: Make ssr_notifiers local
  remoteproc: Stop subdevices in reverse order
  remoteproc: imx_rproc: add a NXP/Freescale imx_rproc driver
  remoteproc: dt: Provide bindings for iMX6SX/7D Remote Processor Controller driver
  remoteproc: qcom: Use PTR_ERR_OR_ZERO
  remoteproc: st: explicitly request exclusive reset control
  remoteproc: qcom: explicitly request exclusive reset control
  remoteproc/keystone: explicitly request exclusive reset control
  remoteproc/keystone: Add support for Keystone 66AK2G SOCs
  remoteproc/davinci: Add device tree support for OMAP-L138 DSP
  dt-bindings: remoteproc: Add bindings for Davinci DSP processors
  remoteproc/davinci: Add support to parse internal memories
  remoteproc/davinci: Switch to platform_get_resource_byname()
  remoteproc: make device_type const
  soc: qcom: GLINK SSR notifier
  remoteproc: qcom: Add support for SSR notifications
  remoteproc: Merge __rproc_boot() with rproc_boot()
2017-09-09 14:30:50 -07:00
Martin Blumenstingl
126534141b MIPS: lantiq: Add a GPHY driver which uses the RCU syscon-mfd
Compared to the old xrx200_phy_fw driver the new version has multiple
enhancements. The name of the firmware files does not have to be added
to all .dts files anymore - one now configures the GPHY mode (FE or GE)
instead. Each GPHY can now also boot separate firmware (thus mixing of
GE and FE GPHYs is now possible).
The new implementation is based on the RCU syscon-mfd and uses the
reeset_controller framework instead of raw RCU register reads/writes.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Cc: john@phrozen.org
Cc: p.zabel@pengutronix.de
Cc: kishon@ti.com
Cc: mark.rutland@arm.com
Cc: linux-mips@linux-mips.org
Cc: linux-mtd@lists.infradead.org
Cc: linux-watchdog@vger.kernel.org
Cc: devicetree@vger.kernel.org
Cc: linux-spi@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/17128/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2017-09-04 21:19:02 +02:00
Hauke Mehrtens
c20b3b8019 MIPS: lantiq: Convert the fpi bus driver to a platform_driver
Instead of hacking the configuration of the FPI bus into the arch code
add an own bus driver for this internal bus. The FPI bus is the main
bus of the SoC. This bus driver makes sure the bus is configured
correctly before the child drivers are getting initialized. This driver
will probably also be used on different SoCs later.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: john@phrozen.org
Cc: p.zabel@pengutronix.de
Cc: kishon@ti.com
Cc: mark.rutland@arm.com
Cc: linux-mips@linux-mips.org
Cc: linux-mtd@lists.infradead.org
Cc: linux-watchdog@vger.kernel.org
Cc: devicetree@vger.kernel.org
Cc: linux-spi@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/17122/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2017-09-04 21:19:02 +02:00
Arnd Bergmann
3889e85100 Samsung soc drivers changes for v4.14
Conversion to kbasename from Rob Herring.
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Merge tag 'samsung-drivers-4.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/drivers

Pull "Samsung soc drivers changes for v4.14" from Krzysztof Kozłowski:

Conversion to kbasename from Rob Herring.

* tag 'samsung-drivers-4.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
  soc: samsung: Use kbasename instead of open coding
2017-08-23 21:46:12 +02:00
Thierry Reding
9261b43e70 soc/tegra: fuse: Add missing semi-colon
Commit 8a46828e623c ("soc/tegra: Register SoC device") added a new
initcall, but forgot to terminate the line with a semi-colon. Some
recent versions of GCC seem to report this as an error.

Fixes: 8a46828e623c ("soc/tegra: Register SoC device")
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2017-08-23 11:54:27 +02:00
Thierry Reding
226cff485c soc/tegra: Restrict SoC device registration to Tegra
Commit 8a46828e623c ("soc/tegra: Register SoC device") added an initcall
to register the SoC device on Tegra. However, that code is unrestricted
and will run on all platforms, causing unwanted warnings.

Fix this by first checking that we're running on hardware that supports
the fuses block that we use to provide SoC information.

Fixes: 8a46828e623c ("soc/tegra: Register SoC device")
Reported-by: Sudeep Holla <sudeep.holla@arm.com>
Tested-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2017-08-23 11:54:10 +02:00
Arnd Bergmann
2e9a41dca3 Allwinner driver changes for 4.14
Usual driver changes:
 
   - SUNXI_RSB bus driver enabled by default for ARM64
 
   - Support for SRAM controller and SRAM C block on the A64 added
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Merge tag 'sunxi-drivers-for-4.14' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into next/drivers

Pull "Allwinner driver changes for 4.14" from Chen-Yu Tsai:

Usual driver changes:

  - SUNXI_RSB bus driver enabled by default for ARM64

  - Support for SRAM controller and SRAM C block on the A64 added

* tag 'sunxi-drivers-for-4.14' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
  drivers: soc: sunxi: add support for A64 and its SRAM C
  drivers: soc: sunxi: add support for remapping func value to reg value
  drivers: soc: sunxi: fix error processing on base address when claiming
  dt-bindings: add binding for Allwinner A64 SRAM controller and SRAM C
  bus: sunxi-rsb: Enable by default for ARM64
2017-08-21 09:25:22 +02:00
Keerthy
4459398b6d soc: ti: knav: Add a NULL pointer check for kdev in knav_pool_create
knav_pool_create is an exported function. In the event of a call
before knav_queue_probe, we encounter a NULL pointer dereference
in the following line. Hence return -EPROBE_DEFER to the caller till
the kdev pointer is non-NULL.

Signed-off-by: Keerthy <j-keerthy@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2017-08-21 09:19:50 +02:00
Arnd Bergmann
f2970be50a soc/tegra: Changes for v4.14-rc1
Contains a fix for unbalanced reference counting of device tree nodes in
 the PMC-based generic power domains code.
 
 A second change moves the SoC device registration code from its old
 location in arch/arm/mach-tegra to drivers/soc/tegra so that it can be
 shared between 32-bit and 64-bit ARM Tegra SoCs.
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Merge tag 'tegra-for-4.14-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers

Pull "soc/tegra: Changes for v4.14-rc1" from Thierry Reding:

Contains a fix for unbalanced reference counting of device tree nodes in
the PMC-based generic power domains code.

A second change moves the SoC device registration code from its old
location in arch/arm/mach-tegra to drivers/soc/tegra so that it can be
shared between 32-bit and 64-bit ARM Tegra SoCs.

* tag 'tegra-for-4.14-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  soc/tegra: Register SoC device
  soc/tegra: Fix bad of_node_put() in powergate init
2017-08-18 23:29:52 +02:00
Arnd Bergmann
9da95d8f5b - add mt7623a smp support
- scpsys: reduce code duplication
 - scpsys: add mt7622 support
 - pmic wrapper: make of_device_ids constant
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Merge tag 'v4.13-next-soc' of https://github.com/mbgg/linux-mediatek into next/drivers

Pull "arm: mediatek: soc updates for v4.14" from Matthias Brugger:

- add mt7623a smp support
- scpsys: reduce code duplication
- scpsys: add mt7622 support
- pmic wrapper: make of_device_ids constant

* tag 'v4.13-next-soc' of https://github.com/mbgg/linux-mediatek:
  soc: mediatek: add SCPSYS power domain driver for MediaTek MT7622 SoC
  soc: mediatek: add header files required for MT7622 SCPSYS dt-binding
  soc: mediatek: reduce code duplication of scpsys_probe across all SoCs
  dt-bindings: soc: update the binding document for SCPSYS on MediaTek MT7622 SoC
  soc: mtk-pmic-wrap: make of_device_ids const.
  ARM: mediatek: add MT7623a smp bringup code
2017-08-18 23:27:22 +02:00
Dave Gerlach
4dd6a9973b soc: ti: ti_sci_pm_domains: Populate name for genpd
Commit b6a1d093f9 ("PM / Domains: Extend generic power domain
debugfs") now creates a debugfs directory for each genpd based on the
name of the genpd. Currently no name is given to the genpd created by
ti_sci_pm_domains driver so because of this we see a NULL pointer
dereferences when it is accessed on boot when the debugfs entry creation
is attempted.

Give the genpd a name before registering it to avoid this.

Fixes: 52835d59fc ("soc: ti: Add ti_sci_pm_domains driver")
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2017-08-18 11:59:53 +02:00
Icenowy Zheng
5e4fb64297 drivers: soc: sunxi: add support for A64 and its SRAM C
Allwinner A64's display engine claims the SRAM C section to work.

Add support for the A64 SRAM controller and the SRAM C section of it.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
2017-08-18 14:30:21 +08:00
Icenowy Zheng
8fed2ce98e drivers: soc: sunxi: add support for remapping func value to reg value
On some Allwinner SoCs, sometimes the value needed to write into the
register to claim SRAM is not equal to the value specified in the
device tree.

The device tree binding defines 0 as "mapped to CPU" and 1 as "mapped
to X device". This matches the value written to the configuration
register for the SRAM blocks currently supported. However, the not yet
supported VE SRAM block is claimed for the device by writing 0x7fffffff,
which is vastly different from the other blocks. On the A64, SRAM C is
claimed by the device by writing a 0, which is the opposite of the
current design.

Add a value remapping in sunxi_sram_func structure, and let the
sunxi_sram_of_parse function set the remapped register value.
This allows us to keep the convention currently used in the device tree
binding.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
[wens@csie.org: Clarified commit message]
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
2017-08-18 14:30:20 +08:00
Icenowy Zheng
2262a65f0b drivers: soc: sunxi: fix error processing on base address when claiming
When claiming SRAM, if the base is set to an error, it means that the
SRAM controller has been probed, but failed to remap the controller
memory zone. If the base is zero, thus the SRAM controller should be not
probed at all, and it should return -EPROBE_DEFER. However, currently we
returned -EPROBE_DEFER in the former situation, and ignored the latter
situation (which will lead to the kernel to panic).

Fix the behavior on abnormal base address processing when claiming.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Fixes: 4af34b572a ("drivers: soc: sunxi: Introduce SoC driver to map
		      SRAMs")
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
2017-08-18 14:30:19 +08:00
Thierry Reding
27a0342ac1 soc/tegra: Register SoC device
Move this code from arch/arm/mach-tegra and make it common among 32-bit
and 64-bit Tegra SoCs. This is slightly complicated by the fact that on
32-bit Tegra, the SoC device is used as the parent for all devices that
are instantiated from device tree.

Signed-off-by: Thierry Reding <treding@nvidia.com>
2017-08-17 16:43:13 +02:00
Arnd Bergmann
87a1cb5b2f Amlogic driver updates for v4.14
- add SoC info driver
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Merge tag 'amlogic-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into next/drivers

Pull "Amlogic driver updates for v4.14" from Kevin Hilman:

- add SoC info driver

* tag 'amlogic-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
  soc: Add Amlogic SoC Information driver
  dt-bindings: arm: amlogic: Add SoC information bindings
2017-08-17 11:04:58 +02:00
Gustavo A. R. Silva
db86ab0616 soc: versatile: remove unnecessary static in realview_soc_probe()
Remove unnecessary static on local variables syscon_regmap.
Such variables are initialized before being used, on every
execution path throughout the functions. The static has no
benefit and, removing it reduces the object file size.

This issue was detected using Coccinelle and the following
semantic patch:

@bad exists@
position p;
identifier x;
type T;
@@

static T x@p;
...
x = <+...x...+>

@@
identifier x;
expression e;
type T;
position p != bad.p;
@@

-static
 T x@p;
 ... when != x
     when strict
?x = e;

In the following log you can see the difference in the object file size.
This log is the output of the size command, before and after the code
change:

before:
   text    data     bss     dec     hex filename
   3339    2104     128    5571    15c3 drivers/soc/versatile/soc-realview.o

after:
   text    data     bss     dec     hex filename
   3321    2048      64    5433    1539 drivers/soc/versatile/soc-realview.o

Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2017-08-16 22:28:27 +02:00
Arnd Bergmann
f822e60085 Renesas ARM Based SoC Drivers Updates for v4.14
Add R-Car D3 (r8a77995) support to the Renesas-specific SoC drivers
 - SoC identification
 - System controller
 - Reset controller
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Merge tag 'renesas-drivers-for-v4.14' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/drivers

Pull "Renesas ARM Based SoC Drivers Updates for v4.14" from Simon Horman:

Add R-Car D3 (r8a77995) support to the Renesas-specific SoC drivers
- SoC identification
- System controller
- Reset controller

* tag 'renesas-drivers-for-v4.14' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  soc: renesas: rcar-rst: Add support for R-Car D3
  soc: renesas: rcar-sysc: Add support for R-Car D3 power areas
  soc: renesas: Add r8a77995 SYSC PM Domain Binding Definitions
  soc: renesas: Identify R-Car D3
2017-08-16 21:55:03 +02:00
Arnd Bergmann
900452f304 Qualcomm ARM Based Driver Updates for v4.14
* Minor fixes for SMSM and WCNSS_CTRL
 * Move Qcom SoC drivers to submenu
 * Fix mdt_loader to use request_firmware_into_buf()
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Merge tag 'qcom-drivers-for-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into next/drivers

Pull "Qualcomm ARM Based Driver Updates for v4.14" from Andy Gross:

* Minor fixes for SMSM and WCNSS_CTRL
* Move Qcom SoC drivers to submenu
* Fix mdt_loader to use request_firmware_into_buf()

* tag 'qcom-drivers-for-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
  soc: qcom: mdt_loader: Use request_firmware_into_buf()
  soc: qcom: bring all qcom drivers into a submenu
  soc: qcom: wcnss_ctrl: add missing MODULE_DEVICE_TABLE()
  soc: qcom: smsm: fix of_node refcnting problem
2017-08-16 21:49:26 +02:00
Arnd Bergmann
526ca89ebe Powerdomain support for rk3366 and disabling of the automatic
jtag/sdmmc switching for rk3328.
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Merge tag 'v4.14-rockchip-drivers-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into next/drivers

Pull "Rockchip driver changes for 4.14" from Heiko Stübner:

Powerdomain support for rk3366 and disabling of the automatic
jtag/sdmmc switching for rk3328.

* tag 'v4.14-rockchip-drivers-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
  soc: rockchip: power-domain: add power domain support for rk3366
  dt-bindings: add binding for rk3366 power domains
  dt-bindings: power: add RK3366 SoCs header for power-domain
  soc: rockchip: disable jtag switching for RK3328 Soc
2017-08-16 21:47:09 +02:00
Rob Herring
37c342cba5 soc: Convert to using %pOF instead of full_name
Now that we have a custom printf format specifier, convert users of
full_name to use %pOF instead. This is preparation to remove storing
of the full path string for each node.

Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Matthias Brugger <matthias.bgg@gmail.com>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Cc: Scott Wood <oss@buserror.net>
Cc: Qiang Zhao <qiang.zhao@nxp.com>
Cc: Magnus Damm <magnus.damm@gmail.com>
Cc: Kukjin Kim <kgene@kernel.org>
Cc: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2017-08-16 21:32:36 +02:00
Arnd Bergmann
64c2c372db i.MX fixes for 4.13, round 2:
- Add missing 'ranges' property for i.MX25 device tree TSCADC node, so
    that it's child nodes ADC and TSC device can be probed by kernel.
  - Fix i.MX GPCv2 power domain driver to request regulator after power
    domain initialization, since regulator could defer probing and
    therefore cause power domain initialized twice.
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Merge tag 'imx-fixes-4.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes

Pull "i.MX fixes for 4.13, round 2" from Shawn Guo:

 - Add missing 'ranges' property for i.MX25 device tree TSCADC node, so
   that it's child nodes ADC and TSC device can be probed by kernel.
 - Fix i.MX GPCv2 power domain driver to request regulator after power
   domain initialization, since regulator could defer probing and
   therefore cause power domain initialized twice.

* tag 'imx-fixes-4.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: dts: i.MX25: add ranges to tscadc
  soc: imx: gpcv2: fix regulator deferred probe
2017-08-15 17:34:52 +02:00
Sean Wang
52510ee934 soc: mediatek: add SCPSYS power domain driver for MediaTek MT7622 SoC
Add SCPSYS power domain driver for MT7622 SoC having four power domains
which are respectively ETHSYS for Ethernet including embedded switch,
WBSYS for WIFI and Bluetooth, HIF0SYS for PCI-E and SATA, and HIF1SYS for
USB. Those functions could be selectively powered gated when the
corresponding function is no longer to use in order to reach more minimal
power dissipation.

Signed-off-by: Chen Zhong <chen.zhong@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2017-08-14 17:28:40 +02:00
Sean Wang
53fddb1a66 soc: mediatek: reduce code duplication of scpsys_probe across all SoCs
Reduce code duplication of scpsys_probe_mtXXXX across all SoCs using
the more generic scpsys_probe all covering all cases to avoid starting
to bloat the driver when more MediaTek SoCs supported are added.

Suggested-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2017-08-14 17:28:27 +02:00