Commit Graph

615 Commits

Author SHA1 Message Date
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