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Commit Graph

305 Commits

Author SHA1 Message Date
Arnd Bergmann
f8c6d88b2c Samsung drivers/soc update for v4.8, part 3
1. Fix size of allocation for Exynos SROM registers (too much was allocated).
 2. Constify fix.
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Merge tag 'samsung-drivers-4.8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/drivers

Merge "Samsung drivers/soc update for v4.8, part 3" into next/drivers:

1. Fix size of allocation for Exynos SROM registers (too much was allocated).
2. Constify fix.

* tag 'samsung-drivers-4.8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
  soc: samsung: pmu: Constify arrays with PMU data
  memory: samsung: exynos-srom: Fix wrong count of registers
2016-07-14 15:26:44 +02:00
Arnd Bergmann
f1844aca29 This is a set of cleanups for the Ux500 that reduce the number
of machine-local files and boardfile-type data for regulators
 and ASoC.
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Merge tag 'ux500-cleanup-bundle' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson into next/drivers

Merge "Ux500 cleanups from Arnd" from Linus Walleij:

This is a set of cleanups for the Ux500 that reduce the number
of machine-local files and boardfile-type data for regulators
and ASoC.

* tag 'ux500-cleanup-bundle' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson:
  ARM: ux500: consolidate base platform files
  ARM: ux500: move soc_id driver to drivers/soc
  ARM: ux500: call ux500_setup_id later
  ARM: ux500: consolidate soc_device code in id.c
  ARM: ux500: remove cpu_is_u* helpers
  ARM: ux500: use CLK_OF_DECLARE()
  ARM: ux500: move l2x0 init to .init_irq
  mfd: db8500 stop passing around platform data
  ASoC: ab8500-codec: remove platform data based probe
  ARM: ux500: move ab8500_regulator_plat_data into driver
  ARM: ux500: remove unused regulator data
2016-07-14 15:23:19 +02:00
Arnd Bergmann
18a9927878 ARM: ux500: move soc_id driver to drivers/soc
As the ux500 id code is basically a standalone driver, we can move it
out of the arch code into drivers/soc/ux500.

This is a user-visible change, as it moves all the devices in sysfs
from /sys/devices/soc0/ to /sys/devices/ and leaves the soc0 node as a
separate device.

Originally the idea was to put all on-chip devices under the soc node,
and ux500 was the first platform to have this device, but later platforms
almost all didn't follow that pattern, so this makes the platform do
the same thing as everyone else.

Since the platform is really obsolete now, I am optimistic that nothing
will break after moving the devices around.

As the SoC driver no longer has access to the private header files,
I'm changing the code to instead look up the address of the backupram
from devicetree, which is a good idea anyway.

Finally, having a separate Kconfig symbol means the driver is now
optional and could even be a loadable module rather than always being
built-in if we allowed that for soc_device.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
[Fixup mising Makefile, fixup BB_UID_BASE to fc0]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-07-12 11:24:09 +02:00
Arnd Bergmann
9bb45cd447 soc: raspberrypi-power: add CONFIG_OF dependency
We get a harmless warning if the RASPBERRYPI_POWER driver is enabled without
CONFIG_OF during compile testing:

warning: RASPBERRYPI_POWER selects PM_GENERIC_DOMAINS_OF which has unmet direct dependencies (PM_GENERIC_DOMAINS && OF)

There is no need to select PM_GENERIC_DOMAINS_OF if OF is set, so we can
replace the 'select' with a dependency.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Eric Anholt <eric@anholt.net>
2016-07-07 14:58:38 +02:00
Olof Johansson
358c79174a soc/tegra: Changes for v4.8-rc1
Contains fixes and cleanups to the PMC driver, as well as some fixes for
 the generic PM domain support and some prep work to support PCIe on 64-
 bit ARM.
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Merge tag 'tegra-for-4.8-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers

soc/tegra: Changes for v4.8-rc1

Contains fixes and cleanups to the PMC driver, as well as some fixes for
the generic PM domain support and some prep work to support PCIe on 64-
bit ARM.

* tag 'tegra-for-4.8-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  soc/tegra: Stub out PCIe IRQ workaround on 64-bit ARM
  soc/tegra: pmc: Enable XUSB partitions on boot
  soc/tegra: pmc: Initialise power partitions early
  soc/tegra: pmc: Add specific error messages
  soc/tegra: pmc: Use whitespace more consistently
  soc/tegra: pmc: Don't probe PMC if early initialisation fails
  soc/tegra: pmc: Add missing of_node_put()
  soc/tegra: pmc: Ensure mutex is always initialised
  soc/tegra: pmc: Don't populate SoC data until register space is mapped
  soc/tegra: pmc: Fix early initialisation of PMC
  soc/tegra: pmc: Ensure powergate is available when powering on
  soc/tegra: pmc: Initialise resets associated with a power partition
  soc/tegra: pmc: Use register definitions instead of magic values

Signed-off-by: Olof Johansson <olof@lixom.net>
2016-07-06 22:34:19 -07:00
Olof Johansson
b85751c761 Second Round of Renesas ARM Based SoC R-Car SYSC Updates for v4.8
* Prepare for handling SYSC interrupt configuration purely
   from DT in the rcar-sysc driver for new SoCs, while preserving
   backward compatibility with old DTBs for R-Car H1, H2, and M2-W
 * Add R8A7792 support
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Merge tag 'renesas-rcar-sysc2-for-v4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/drivers

Second Round of Renesas ARM Based SoC R-Car SYSC Updates for v4.8

* Prepare for handling SYSC interrupt configuration purely
  from DT in the rcar-sysc driver for new SoCs, while preserving
  backward compatibility with old DTBs for R-Car H1, H2, and M2-W
* Add R8A7792 support

* tag 'renesas-rcar-sysc2-for-v4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  soc: renesas: rcar-sysc: Improve SYSC interrupt config in legacy wrapper
  soc: renesas: rcar-sysc: Move SYSC interrupt config to rcar-sysc driver
  soc: renesas: rcar-sysc: Make rcar_sysc_init() init the PM domains
  soc: renesas: rcar-sysc: Fix uninitialized error code in rcar_sysc_pd_init()
  soc: renesas: rcar-sysc: add R8A7792 support

Signed-off-by: Olof Johansson <olof@lixom.net>
2016-07-06 22:12:04 -07:00
Krzysztof Kozlowski
aec6341e2a soc: samsung: pmu: Constify arrays with PMU data
Arrays storing values for Power Management Unit for given sleep mode can
be made const.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
2016-07-06 10:35:45 +02:00
Olof Johansson
7cd4837ee2 Qualcomm ARM Based Driver Updates for v4.8
* Rework of SCM driver
 * Add file patterns for Qualcomm Maintainers entry
 * Add worker for wcnss_ctrl signaling
 * Fixes for smp2p
 * Update smem_state properties to match documentation
 * Add SCM Peripheral Authentication service
 * Expose SCM PAS command 10 as a reset controller
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Merge tag 'qcom-drivers-for-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into next/drivers

Qualcomm ARM Based Driver Updates for v4.8

* Rework of SCM driver
* Add file patterns for Qualcomm Maintainers entry
* Add worker for wcnss_ctrl signaling
* Fixes for smp2p
* Update smem_state properties to match documentation
* Add SCM Peripheral Authentication service
* Expose SCM PAS command 10 as a reset controller

* tag 'qcom-drivers-for-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
  firmware: qcom: scm: Expose PAS command 10 as reset-controller
  firmware: qcom: scm: Peripheral Authentication Service
  soc: qcom: Update properties for smem state referencing
  soc: qcom: smp2p: Drop io-accessors
  soc: qcom: smp2p: Correct addressing of outgoing value
  soc: qcom: wcnss_ctrl: Make wcnss_ctrl parent the other components
  firmware: qcom: scm: Add support for ARM64 SoCs
  firmware: qcom: scm: Convert to streaming DMA APIS
  firmware: qcom: scm: Generalize shared error map
  firmware: qcom: scm: Use atomic SCM for cold boot
  firmware: qcom: scm: Convert SCM to platform driver
  MAINTAINERS: Add file patterns for qcom device tree bindings

Signed-off-by: Olof Johansson <olof@lixom.net>
2016-07-04 22:30:11 -07:00
Jon Hunter
8df127456f soc/tegra: pmc: Enable XUSB partitions on boot
The Tegra XHCI driver does not currently manage the Tegra XUSB power
partitions and so it these partitions have not been enabled by the
bootloader then the system will crash when probing the XHCI device.

While proper support for managing the power partitions is being
developed to the XHCI driver for Tegra, for now power on all the XUSB
partitions for USB host and super-speed on boot if the XHCI driver is
enabled.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-06-30 13:42:54 +02:00
Jon Hunter
e2d1796053 soc/tegra: pmc: Initialise power partitions early
If CONFIG_PM_GENERIC_DOMAINS is not enabled, then power partitions
associated with a device will not be enabled automatically by the PM
core when the device is in use. To avoid situations where a device in
a power partition is to be used but the partition is not enabled,
initialise the power partitions for Tegra early in the boot process and
if CONFIG_PM_GENERIC_DOMAINS is not enabled, then power on all
partitions defined in the device-tree blob.

Note that if CONFIG_PM_GENERIC_DOMAINS is not enabled, after the
partitions are turned on, the clocks and resets used as part of the
sequence for turning on the partition are released again as they are no
longer needed by the PMC driver. Another benefit of this is that this
avoids any issues of sharing resets between the PMC driver and other
device drivers that may wish to independently control a particular
reset.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-06-30 13:41:46 +02:00
Jon Hunter
c2710ac9f5 soc/tegra: pmc: Add specific error messages
When initialising a powergate, only a single error message is shown if
the initialisation fails. Add more error messages to give specific
details of what failed if the initialisation failed and remove the
generic failure message.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-06-30 13:30:40 +02:00
Thierry Reding
da8f4b4589 soc/tegra: pmc: Use whitespace more consistently
Use blank lines after blocks and before labels for consistency with the
existing code in the file.

Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-06-30 12:23:31 +02:00
Jon Hunter
a83f1fc3f3 soc/tegra: pmc: Don't probe PMC if early initialisation fails
Commit 0259f522e0 ('soc/tegra: pmc: Restore base address on probe
failure') fixes an issue where the PMC base address pointer is not
restored on probe failure. However, this fix creates another problem
where if early initialisation of the PMC driver fails and an initial
mapping for the PMC address space is not created, then when the PMC
device is probed, the PMC base address pointer will not be valid and
this will cause a crash when tegra_pmc_init() is called and attempts
to access a register.

Although the PMC address space is mapped a 2nd time during the probe
and so this could be fixed by populating the base address pointer
earlier during the probe, this adds more complexity to the code.
Moreover, the PMC probe also assumes the the soc data pointer is also
initialised when the device is probed and if not will also lead to a
crash when calling tegra_pmc_init_tsense_reset(). Given that if the
early initialisation does fail then something bad has happen, it seems
acceptable to allow the PMC device probe to fail as well. Therefore, if
the PMC base address pointer or soc data pointer are not valid when
probing the PMC device, WARN and return an error.

Fixes: 0259f522e0 ('soc/tegra: pmc: Restore base address on probe failure')
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-06-30 12:23:27 +02:00
Jon Hunter
b69a625826 soc/tegra: pmc: Add missing of_node_put()
Add missing of_node_put() in PMC early initialisation function to avoid
leaking the device nodes.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
[treding@nvidia.com: squash in a couple more of_node_put() calls]
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-06-30 12:23:08 +02:00
Jon Hunter
61fd284be8 soc/tegra: pmc: Ensure mutex is always initialised
The mutex used by the PMC driver may not be initialised if early
initialisation of the driver fails. If this does happen, then it could
be possible for callers of the public PMC functions to still attempt to
acquire the mutex. Fix this by initialising the mutex as soon as
possible to ensure it will always be initialised.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-06-30 12:23:07 +02:00
Jon Hunter
718a2426e8 soc/tegra: pmc: Don't populate SoC data until register space is mapped
The public functions exported by the PMC driver use the presence of the
SoC data pointer to determine if the PMC device is configured and the
registers can be accessed. However, the SoC data is populated before the
PMC register space is mapped and this opens a window where the SoC data
pointer is valid but the register space has not yet been mapped which
could lead to a crash. Furthermore, if the mapping of the PMC register
space fails, then the SoC data pointer is not cleared and so would
expose a larger window where a crash could occur.

Fix this by initialising the SoC data pointer after the PMC register
space has been mapped.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-06-30 12:22:22 +02:00
Jon Hunter
11131895cd soc/tegra: pmc: Fix early initialisation of PMC
During early initialisation, the available power partitions for a given
device is configured as well as the polarity of the PMC interrupt. Both
of which should only be configured if there is a valid device node for
the PMC device. This is because the soc data used for configuring the
power partitions is only available if a device node for the PMC is found
and the code to configure the interrupt polarity uses the device node
pointer directly.

Some early device-tree images may not have this device node and so fix
this by ensuring the device node pointer is valid when configuring these
items.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-06-30 11:52:51 +02:00
Jon Hunter
403db2d21c soc/tegra: pmc: Ensure powergate is available when powering on
The function tegra_power_sequence_power_up() is a public function used
to power on a partition. When this function is called, we do not check
to see if the partition being powered up is valid/available. Fix this
by checking to see that the partition is valid/available.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-06-30 11:48:39 +02:00
Jon Hunter
05cfb988a4 soc/tegra: pmc: Initialise resets associated with a power partition
When registering the Tegra power partitions with the generic PM domain
framework, the current state of the each partition is checked and used
as the default state for the partition. However, the state of each reset
associated with the partition is not initialised and so it is possible
that the state of the resets are not in the expected state. For example,
if a partition is on, then the resets should be de-asserted and if the
partition is off, the resets should be asserted.

There have been cases where the bootloader has powered on a partition
and only de-asserted some of the resets to some of the devices in the
partition. This can cause accesses to these devices to hang the system
when the kernel boots and attempts to probe these devices.

Ideally, the driver for the device should ensure the reset has been
de-asserted when probing, but the resets cannot be shared between the
PMC driver (that needs to de-assert/assert the reset when turning the
partition on or off) and another driver because we cannot ensure the
reset is in the correct state.

To ensure the resets are in the correct state, when using the generic
PM domain framework, put each reset associated with the partition in
the correct state (based upon the partition's current state) when
obtaining the resets for a partition.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-06-30 11:48:33 +02:00
Geert Uytterhoeven
ced42730d1 soc: renesas: rcar-sysc: Improve SYSC interrupt config in legacy wrapper
Align SYSC interrupt configuration in the legacy wrapper with the DT
version:
  - Mask SYSC interrupt sources before enabling them (doesn't matter
    much as they're disabled at the GIC level anyway),
  - Make sure not to clear reserved SYSCIMR bits that were set before.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-06-29 14:37:24 +02:00
Geert Uytterhoeven
053239987f soc: renesas: rcar-sysc: Move SYSC interrupt config to rcar-sysc driver
On R-Car H1 and Gen2, the SYSC interrupt registers are always configured
using hardcoded values in platform code. For R-Car Gen2, values are
provided for H2 and M2-W only, other SoCs are not yet supported, and
never will be.

Move this configuration from SoC-specific platform code to the
rcar_sysc_init() wrapper, so it can be skipped if the SYSC is configured
from DT. This would be the case not only for H1, H2, and M2-W using a
modern DTS, but also for other R-Car Gen2 SoCs not supported by the
platform code, relying purely on DT.

There is no longer a need to return the mapped register block, hence
make the function return void.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-06-29 14:37:08 +02:00
Geert Uytterhoeven
b1e52287a2 soc: renesas: rcar-sysc: Make rcar_sysc_init() init the PM domains
Let rcar_sysc_init() trigger initialization of the SYSC PM domains from
DT if called before the early_initcall.
On failure, it falls back to mapping the passed register block, as
before.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-06-29 14:36:51 +02:00
Geert Uytterhoeven
1023578ec3 soc: renesas: rcar-sysc: Fix uninitialized error code in rcar_sysc_pd_init()
On success, rcar_sysc_pd_init() returns an uninitialized error code.
Use the return value of of_genpd_add_provider_onecell() to fix this.

This went unnoticed, as early_initcall() doesn't care about the return
value.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-06-29 14:36:37 +02:00
Bjorn Andersson
3680a4a974 soc: qcom: Update properties for smem state referencing
Update the property names to match device tree bindings, the correct
values should be qcom,smem-states and qcom,smem-state-names.

Also update the #qcom,smem-state-cells for consistency, before we merge
any users of these properties.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2016-06-24 22:53:41 -05:00
Bjorn Andersson
e7306dd751 soc: qcom: smp2p: Drop io-accessors
SMEM is now mapped write-combine and we can use memcpy to access the
name of the entires.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2016-06-24 13:34:00 -05:00
Bjorn Andersson
63af8e44ea soc: qcom: smp2p: Correct addressing of outgoing value
The valid_entries index should not be incremented until after we have
acquired the pointer to the value, or we will read and write data one
item off.

Fixes: 50e9964141 ("soc: qcom: smp2p: Qualcomm Shared Memory Point to Point")
Cc: stable@vger.kernel.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2016-06-24 13:34:00 -05:00
Bjorn Andersson
6be2b3d084 soc: qcom: wcnss_ctrl: Make wcnss_ctrl parent the other components
We need the signal from wcnss_ctrl indicating that the firmware is up
and running before we can communicate with the other components of the
chip. So make these other components children of the wcnss_ctrl device,
so they can be probed in order.

The process seems to take between 1/2-5 seconds, so this is done in a
worker, instead of holding up the probe.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2016-06-24 13:34:00 -05:00
Olof Johansson
13d0b76b93 This pull request contains drivers related changes for Broadcom SoCs:
- Florian moves drivers/soc/brcmstb to drivers/soc/bcm/brcmstb to be consistent with
   how other SoCs are doing it
 
 - Chris provides a reset driver which is common to the BCM21664 and BCM23550 SoCs
 
 - Ben fixes a warning by providing the appropriate include file
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Merge tag 'arm-soc/for-4.8/drivers' of http://github.com/Broadcom/stblinux into next/drivers

This pull request contains drivers related changes for Broadcom SoCs:

- Florian moves drivers/soc/brcmstb to drivers/soc/bcm/brcmstb to be consistent with
  how other SoCs are doing it

- Chris provides a reset driver which is common to the BCM21664 and BCM23550 SoCs

- Ben fixes a warning by providing the appropriate include file

* tag 'arm-soc/for-4.8/drivers' of http://github.com/Broadcom/stblinux:
  soc: brcmstb: fix warning from missing include
  power: Introduce Broadcom kona reset driver
  soc: Move brcmstb to bcm/brcmstb

Signed-off-by: Olof Johansson <olof@lixom.net>
2016-06-19 22:55:16 -07:00
Sergei Shtylyov
7e49c84598 soc: renesas: rcar-sysc: add R8A7792 support
Add support for R-Car V2H (R8A7792) SoC power areas to the SYSC driver.

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>
2016-06-16 10:53:57 +09:00
Olof Johansson
735251aeb9 Renesas ARM Based SoC R-Car SYSC Updates for v4.8
e0c98b9171 soc: renesas: rcar-sysc: Add support for R-Car M3-W power areas
 74699228b9 soc: renesas: Add r8a7796 SYSC PM Domain Binding Definitions
 2ff1bf77e4 soc: renesas: rcar-sysc: Document r8a7796 support
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Merge tag 'renesas-rcar-sysc-for-v4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/drivers

Renesas ARM Based SoC R-Car SYSC Updates for v4.8

e0c98b9171 soc: renesas: rcar-sysc: Add support for R-Car M3-W power areas
74699228b9 soc: renesas: Add r8a7796 SYSC PM Domain Binding Definitions
2ff1bf77e4 soc: renesas: rcar-sysc: Document r8a7796 support

* tag 'renesas-rcar-sysc-for-v4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  soc: renesas: rcar-sysc: Add support for R-Car M3-W power areas
  soc: renesas: Add r8a7796 SYSC PM Domain Binding Definitions
  soc: renesas: rcar-sysc: Document r8a7796 support

Signed-off-by: Olof Johansson <olof@lixom.net>
2016-06-13 15:39:46 -07:00
Thierry Reding
f5353c6050 soc/tegra: pmc: Use register definitions instead of magic values
Use register definitions for the main SoC reset operation instead of
hard-coding magic values. Note that the PMC_RST_STATUS register isn't
actually accessed, but since it is mentioned in a comment the
definitions are added for completeness.

Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-06-10 16:10:42 +02:00
Ben Dooks
a536bcc931 soc: brcmstb: fix warning from missing include
The brcmstb_biuctrl_init() is defined in the soc specific header
file, but wasn't included in the driver file. Fix the following
warning by including <linux/soc/brcmstb/brcmstb.h> in the driver:

drivers/soc/brcmstb/biuctrl.c:101:13: warning: symbol 'brcmstb_biuctrl_init' was not declared. Should it be static?

Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2016-06-07 13:53:42 -07:00
Geert Uytterhoeven
e0c98b9171 soc: renesas: rcar-sysc: Add support for R-Car M3-W power areas
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-06-06 10:14:21 +09:00
Florian Fainelli
34642650e5 soc: Move brcmstb to bcm/brcmstb
Unify the different Broadcom SoCs directory and have everybody live
under drivers/soc/bcm/*.

Acked-by: Scott Branden <scott.branden@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2016-05-31 11:06:34 -07:00
Krzysztof Kozlowski
9479f7cc91 soc: samsung: pm_domains: Enable COMPILE_TEST for build coverage
Introduce a platform selectable symbol EXYNOS_PM_DOMAINS which can be
also toggled on by COMPILE_TEST for some build coverage.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
2016-05-30 09:12:57 +02:00
Krzysztof Kozlowski
c028e17571 soc: samsung: pm_domains: Prepare for supporting ARMv8 Exynos
The ARMv8 Exynos family (Exynos5433 and Exynos7420) uses different value
(0xf instead of 0x7) for controlling the power domain on/off registers
(both for control and for status).

Choose the value depending on the compatible. This prepares the driver
for supporting ARMv8 SoCs.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
2016-05-30 09:12:53 +02:00
Krzysztof Kozlowski
e465007a7a ARM: EXYNOS: Move pm_domains driver to drivers/soc/samsung
Exynos PM domains driver does not have mach-specific dependencies so it
can be safely moved out of arm/mach-exynos to drivers/soc. This in
future will allow re-using it on ARM64 boards.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
2016-05-30 09:12:49 +02:00
Arnd Bergmann
7f058c0a4a soc: mtk-pmic-wrap: avoid integer overflow warning
On ARM64, the mtk-pmic-wrap driver causes a harmless warning:

mtk-pmic-wrap.c:1062:16: warning: large integer implicitly truncated to unsigned type [-Woverflow]
mtk-pmic-wrap.c:1074:16: warning: large integer implicitly truncated to unsigned type [-Woverflow]
mtk-pmic-wrap.c:1086:16: warning: large integer implicitly truncated to unsigned type [-Woverflow]
  .int_en_all = ~(BIT(31) | BIT(1)),

The problem is that the result of the BIT() macro is an 'unsigned long',
so taking the bitwise NOT operation of that results in an integer
with the upper 32 bits all set and that cannot be assigned to a
'u32' variable without loss of information.

This is harmless because we were never interested in the upper bits
here anyway, so we can shut up the warning by adding a simple cast
to 'u32'.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2016-05-19 15:20:24 +02:00
Linus Torvalds
4a5219edcd ARM: SoC driver updates for v4.7
Driver updates for ARM SoCs, these contain various things that touch
 the drivers/ directory but got merged through arm-soc for practical
 reasons. For the most part, this is now related to power management
 controllers, which have not yet been abstracted into a separate
 subsystem, and typically require some code in drivers/soc or arch/arm
 to control the power domains.
 
 Another large chunk here is a rework of the NVIDIA Tegra USB3.0
 support, which was surprisingly tricky and took a long time to
 get done.
 
 Finally, reset controller handling as always gets merged through here
 as well.
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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:
 "Driver updates for ARM SoCs, these contain various things that touch
  the drivers/ directory but got merged through arm-soc for practical
  reasons.

  For the most part, this is now related to power management
  controllers, which have not yet been abstracted into a separate
  subsystem, and typically require some code in drivers/soc or arch/arm
  to control the power domains.

  Another large chunk here is a rework of the NVIDIA Tegra USB3.0
  support, which was surprisingly tricky and took a long time to get
  done.

  Finally, reset controller handling as always gets merged through here
  as well"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (97 commits)
  arm-ccn: Enable building as module
  soc/tegra: pmc: Add generic PM domain support
  usb: xhci: tegra: Add Tegra210 support
  usb: xhci: Add NVIDIA Tegra XUSB controller driver
  dt-bindings: usb: xhci-tegra: Add Tegra210 XUSB controller support
  dt-bindings: usb: Add NVIDIA Tegra XUSB controller binding
  PCI: tegra: Support per-lane PHYs
  dt-bindings: pci: tegra: Update for per-lane PHYs
  phy: tegra: Add Tegra210 support
  phy: Add Tegra XUSB pad controller support
  dt-bindings: phy: tegra-xusb-padctl: Add Tegra210 support
  dt-bindings: phy: Add NVIDIA Tegra XUSB pad controller binding
  phy: core: Allow children node to be overridden
  clk: tegra: Add interface to enable hardware control of SATA/XUSB PLLs
  drivers: firmware: psci: make two helper functions inline
  soc: renesas: rcar-sysc: Add support for R-Car H3 power areas
  soc: renesas: rcar-sysc: Add support for R-Car E2 power areas
  soc: renesas: rcar-sysc: Add support for R-Car M2-N power areas
  soc: renesas: rcar-sysc: Add support for R-Car M2-W power areas
  soc: renesas: rcar-sysc: Add support for R-Car H2 power areas
  ...
2016-05-18 13:14:02 -07:00
Linus Torvalds
f7df9be067 ARM: DT updates for v4.7
These are all the updates to device tree files for 32-bit platforms,
 which as usual makes up the bulk of the ARM SoC changes: 462 non-merge
 changesets, 450 files changed, 23340 insertions, 5216 deletions.
 
 The three platforms that are added with the "soc" branch are here as well,
 and we add some related machine files:
 
 - For Aspeed AST2400/AST2500, we get the evaluation platform and
   the Tyan Palmetto POWER8 mainboard that uses the AST2400 BMC
 - For Oxnas 810SE, the Western Digital "My Book World Edition"
   is added as the only platform at the moment.
 - For ARM MPS2, the AN385 (Cortex-M3) and AN399 (Cortex-M7)
   are supported
 
 On the ARM Realview development platform, we now support all machines
 with device tree, previously only the board files were supported, which
 in turn will likely be removed soon.
 
 Qualcomm IPQ4019 is the second generation ARM based "Internet Processor",
 following the IPQ806x that is used in many high-end WiFi routers. This one
 integrates two ath10k wifi radios that were previously on separate chips.
 
 Other boards that got added for existing chips are:
 
 - On Ti OMAP family:
   - Amazon Kindle Fire, first generation, tablet and ebook reader
   - OnRISC Baltos iR 2110 and 3220 embedded industrial PCs
   - TI AM5728 IDK, TI AM3359 ICE-V2, and TI DRA722 Rev C EVM
     development systems
 
 - On Samsung EXYNOS platform:
   - Samsung ARTIK5 evaluation board, see
     https://www.artik.io/modules/overview/artik-5/
 
 - On NXP i.MX platforms:
   - Ka-Ro electronics TX6S-8034, TX6S-8035, TX6U-8033, TX6U-81xx,
     TX6Q-1036, TX6Q-1110/-1130, TXUL-0010 and TXUL-0011 industrial
     SoM modules
   - Embest MarS Board i.MX6Dual DIY platform
   - Boundary Devices i.MX6 Quad Plus Nitrogen6_MAX and
     SoloX Nitrogen6sx embedded boards
   - Technexion Pico i.MX6UL compute module
   - ZII VF610 Development Board
 
 - On Marvell embedded (mvebu, orion, kirkwood) platforms:
   - Linksys Viper (E4200v2 / EA4500) WiFi router
   - Buffalo Kurobox Pro NAS
 
 - On Qualcomm Snapdragon:
   - Arrow DragonBoard 600c (96boards) with APQ8064 Snapdragon 600
 
 - On Rockchips platform:
   - mqmaker MiQi single-board computer
 
 - On Altera SoCFPGA:
   - samtec VIN|ING 1000 vehicle communication interface
 
 - On Allwinner Sunxi platforms:
   - Dserve DSRV9703C tablet
   - Difrnce DIT4350 tablet
   - Colorfly E708 Q1 tablet
   - Polaroid MID2809PXE04 tablet
   - Olimex A20 OLinuXino LIME2 single board computer
   - Xunlong Orange Pi 2, Orange Pi One, and Orange Pi PC
     single board computers
 
 Across many platforms, bug fixes went in to address warnings that
 dtc now emits with 'make dtbs W=1'. Further changes for device enablement
 went into Ti OMAP, bcm283x (Raspberry Pi), bcm47xx (wifi router),
 Ti Davinci, Samsung EXYNOS, Marvell mvebu/kirkwood/orion, NXP i.MX/Vybrid
 NXP LPC18xx, NXP LPC32xx, Renesas shmobile/r-mobile/r-car, Rockchips
 rk3xxx, ST Ux500, ST STi, Atmel AT91/SAMA5, Altera SoCFPGA, Allwinner
 Sunxi, Sigma Designs Tango, NVIDIA Tegra, Socionext Uniphier and ARM
 Versatile Express.
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM DT updates from Arnd Bergmann:
 "These are all the updates to device tree files for 32-bit platforms,
  which as usual makes up the bulk of the ARM SoC changes: 462 non-merge
  changesets, 450 files changed, 23340 insertions, 5216 deletions.

  The three platforms that are added with the "soc" branch are here as
  well, and we add some related machine files:

   - For Aspeed AST2400/AST2500, we get the evaluation platform and the
     Tyan Palmetto POWER8 mainboard that uses the AST2400 BMC
   - For Oxnas 810SE, the Western Digital "My Book World Edition" is
     added as the only platform at the moment.
   - For ARM MPS2, the AN385 (Cortex-M3) and AN399 (Cortex-M7) are
     supported

  On the ARM Realview development platform, we now support all machines
  with device tree, previously only the board files were supported,
  which in turn will likely be removed soon.

  Qualcomm IPQ4019 is the second generation ARM based "Internet
  Processor", following the IPQ806x that is used in many high-end WiFi
  routers.  This one integrates two ath10k wifi radios that were
  previously on separate chips.

  Other boards that got added for existing chips are:

  Ti OMAP family:
     - Amazon Kindle Fire, first generation, tablet and ebook reader
     - OnRISC Baltos iR 2110 and 3220 embedded industrial PCs
     - TI AM5728 IDK, TI AM3359 ICE-V2, and TI DRA722 Rev C EVM
       development systems

  Samsung EXYNOS platform:
     - Samsung ARTIK5 evaluation board, see

        https://www.artik.io/modules/overview/artik-5/

  NXP i.MX platforms:
     - Ka-Ro electronics TX6S-8034, TX6S-8035, TX6U-8033, TX6U-81xx,
       TX6Q-1036, TX6Q-1110/-1130, TXUL-0010 and TXUL-0011 industrial
       SoM modules
     - Embest MarS Board i.MX6Dual DIY platform
     - Boundary Devices i.MX6 Quad Plus Nitrogen6_MAX and SoloX
       Nitrogen6sx embedded boards
     - Technexion Pico i.MX6UL compute module
     - ZII VF610 Development Board

  Marvell embedded (mvebu, orion, kirkwood) platforms:
     - Linksys Viper (E4200v2 / EA4500) WiFi router
     - Buffalo Kurobox Pro NAS

  Qualcomm Snapdragon:
     - Arrow DragonBoard 600c (96boards) with APQ8064 Snapdragon 600

  Rockchips platform:
     - mqmaker MiQi single-board computer

  Altera SoCFPGA:
     - samtec VIN|ING 1000 vehicle communication interface

  Allwinner Sunxi platforms:
     - Dserve DSRV9703C tablet
     - Difrnce DIT4350 tablet
     - Colorfly E708 Q1 tablet
     - Polaroid MID2809PXE04 tablet
     - Olimex A20 OLinuXino LIME2 single board computer
     - Xunlong Orange Pi 2, Orange Pi One, and Orange Pi PC single board
       computers

  Across many platforms, bug fixes went in to address warnings that dtc
  now emits with 'make dtbs W=1'.  Further changes for device enablement
  went into Ti OMAP, bcm283x (Raspberry Pi), bcm47xx (wifi router), Ti
  Davinci, Samsung EXYNOS, Marvell mvebu/kirkwood/orion, NXP i.MX/Vybrid
  NXP LPC18xx, NXP LPC32xx, Renesas shmobile/r-mobile/r-car, Rockchips
  rk3xxx, ST Ux500, ST STi, Atmel AT91/SAMA5, Altera SoCFPGA, Allwinner
  Sunxi, Sigma Designs Tango, NVIDIA Tegra, Socionext Uniphier and ARM
  Versatile Express"

* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (458 commits)
  ARM: dts: tango4: Import watchdog node
  ARM: dts: tango4: Update cpus node for cpufreq
  ARM: dts: tango4: Update DT to match clk driver
  ARM: dts: tango4: Initial thermal support
  arm/dst: Add Aspeed ast2500 device tree
  arm/dts: Add Aspeed ast2400 device tree
  ARM: sun7i: dt: Add pll3 and pll7 clocks
  ARM: dts: sunxi: Add a olinuxino-lime2-emmc
  ARM: dts: at91: sama5d4: add trng node
  ARM: dts: at91: sama5d3: add trng node
  ARM: dts: at91: sama5d2: add trng node
  ARM: dts: at91: at91sam9g45 family: reduce the trng register map size
  ARM: sun4i: dt: Add pll3 and pll7 clocks
  ARM: sun5i: chip: Enable the TV Encoder
  ARM: sun5i: r8: Add display blocks to the DTSI
  ARM: sun5i: a13: Add display and TCON clocks
  ARM: dts: ux500: configure the accelerometers open drain
  ARM: mx5: dts: Enable USB OTG on M53EVK
  ARM: dts: imx6ul-14x14-evk: Add audio support
  ARM: dts: imx6qdl: Remove unneeded unit-addresses
  ...
2016-05-18 12:48:46 -07:00
Linus Torvalds
f2b1e0f638 ARM: SoC cleanups and fixes for v4.7
Traditionally we've had two separate branches for cleanups and non-critical
 bug fixes, but both of these got smaller with each release and the differences
 are rather unclear now, so it seems more appropriate to have a combined
 branch.
 
 The most notably change is for OMAP, which gets a small rework to simplify
 handling of the AUXDATA mechanism used on machines that are not completely
 DT based yet, along with other work that is used as preparation for dropping
 the legacy board files.
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Merge tag 'armsoc-cleanups-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC cleanups and fixes from Arnd Bergmann:
 "Traditionally we've had two separate branches for cleanups and
  non-critical bug fixes, but both of these got smaller with each
  release and the differences are rather unclear now, so it seems more
  appropriate to have a combined branch.

  The most notable change is for OMAP, which gets a small rework to
  simplify handling of the AUXDATA mechanism used on machines that are
  not completely DT based yet, along with other work that is used as
  preparation for dropping the legacy board files"

* tag 'armsoc-cleanups-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: dts: exynos: Add interrupt line to MAX8997 PMIC on exynos4210-trats
  ARM: dts: exynos: Fix regulator name to avoid forbidden character on exynos4210-trats
  ARM: dts: exynos: Add MFC memory banks for Peach boards
  ARM: OMAP2+: n900 needs MMC slot names for legacy user space
  ARM: OMAP2+: Add more functions to pwm pdata for ir-rx51
  ARM: debug: remove extraneous DEBUG_HI3716_UART option
  ARM: OMAP2+: Simplify auxdata by using the generic match
  of/platform: Allow secondary compatible match in of_dev_lookup
  ARM: davinci: use IRQCHIP_DECLARE for cp_intc
  ARM: davinci: remove unused DA8XX_NUM_UARTS
  ARM: davinci: simplify call to of populate
  ARM: DaVinci USB: removed deprecated properties from MUSB config
  ARM: rockchip: Fix use of plain integer as NULL pointer
  ARM: realview: hide unused 'pmu_device' object
  soc: versatile: dynamically detect RealView HBI numbers
2016-05-18 12:28:29 -07:00
Linus Torvalds
1eccc6e152 This is the bulk of GPIO changes for kernel cycle v4.7:
Core infrastructural changes:
 
 - Support for natively single-ended GPIO driver stages. This
   means that if the hardware has registers to configure open
   drain or open source configuration, we use that rather than
   (as we did before) try to emulate it by switching the line
   to an input to get high impedance. This is also documented
   throughly in Documentation/gpio/driver.txt for those of you
   who did not understand one word of what I just wrote.
 
 - Start to do away with the unnecessarily complex and
   unitelligible ARCH_REQUIRE_GPIOLIB and
   ARCH_WANT_OPTIONAL_GPIOLIB, another evolutional artifact from
   the time when the GPIO subsystem was unmaintained. Archs can
   now just select GPIOLIB and be done with it, cleanups to
   arches will trickle in for the next kernel. Some minor archs
   ACKed the changes immediately so these are included in this
   pull request.
 
 - Advancing the use of the data pointer inside the GPIO device
   for storing driver data by switching the PowerPC, Super-H
   Unicore and a few other subarches or subsystem drivers in
   ALSA SoC, Input, serial, SSB, staging etc to use it.
 
 - The initialization now reads the input/output state of the
   GPIO lines, so that each GPIO descriptor knows - if this
   callback is implemented - whether the line is input or
   output. This also reflects nicely in userspace "lsgpio".
 
 - It is now possible to name GPIO producer names, line names,
   from the device tree. (Platform data has been supported for
   a while.) I bet we will get a similar mechanism for ACPI
   one of those days. This makes is possible to get sensible
   producer names for e.g. GPIO rails in "lsgpio" in userspace.
 
 New drivers:
 
 - New driver for the Loongson1.
 
 - The XLP driver now supports Broadcom Vulcan ARM64.
 
 - The IT87 driver now supports IT8620 and IT8628.
 
 - The PCA953X driver now supports Galileo Gen2.
 
 Driver improvements:
 
 - MCP23S08 was switched to use the gpiolib irqchip helpers and
   now also suppors level-triggered interrupts.
 
 - 74x164 and RCAR now supports the .set_multiple() callback
 
 - AMDPT was converted to use generic GPIO.
 
 - TC3589x, TPS65218, SX150X, F7188X, MENZ127, VX855, WM831X, WM8994
   support the new single ended callback for open drain
   and in some cases open source.
 
 - Implement the .get_direction() callback for a few more drivers
   like PL061, Xgene.
 
 Cleanups:
 
 - Paul Gortmaker combed through the drivers and de-modularized
   those who are not really modules.
 
 - Move the GPIO poweroff DT bindings to the power subdir where
   they belong.
 
 - Rename gpio-generic.c to gpio-mmio.c, which is much more to the
   point. That's what it is handling, nothing more, nothing less.
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Merge tag 'gpio-v4.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO updates from Linus Walleij:
 "This is the bulk of GPIO changes for kernel cycle v4.7:

  Core infrastructural changes:

   - Support for natively single-ended GPIO driver stages.

     This means that if the hardware has registers to configure open
     drain or open source configuration, we use that rather than (as we
     did before) try to emulate it by switching the line to an input to
     get high impedance.

     This is also documented throughly in Documentation/gpio/driver.txt
     for those of you who did not understand one word of what I just
     wrote.

   - Start to do away with the unnecessarily complex and unitelligible
     ARCH_REQUIRE_GPIOLIB and ARCH_WANT_OPTIONAL_GPIOLIB, another
     evolutional artifact from the time when the GPIO subsystem was
     unmaintained.

     Archs can now just select GPIOLIB and be done with it, cleanups to
     arches will trickle in for the next kernel.  Some minor archs ACKed
     the changes immediately so these are included in this pull request.

   - Advancing the use of the data pointer inside the GPIO device for
     storing driver data by switching the PowerPC, Super-H Unicore and
     a few other subarches or subsystem drivers in ALSA SoC, Input,
     serial, SSB, staging etc to use it.

   - The initialization now reads the input/output state of the GPIO
     lines, so that each GPIO descriptor knows - if this callback is
     implemented - whether the line is input or output.  This also
     reflects nicely in userspace "lsgpio".

   - It is now possible to name GPIO producer names, line names, from
     the device tree.  (Platform data has been supported for a while).
     I bet we will get a similar mechanism for ACPI one of those days.
     This makes is possible to get sensible producer names for e.g.
     GPIO rails in "lsgpio" in userspace.

  New drivers:

   - New driver for the Loongson1.

   - The XLP driver now supports Broadcom Vulcan ARM64.

   - The IT87 driver now supports IT8620 and IT8628.

   - The PCA953X driver now supports Galileo Gen2.

  Driver improvements:

   - MCP23S08 was switched to use the gpiolib irqchip helpers and now
     also suppors level-triggered interrupts.

   - 74x164 and RCAR now supports the .set_multiple() callback

   - AMDPT was converted to use generic GPIO.

   - TC3589x, TPS65218, SX150X, F7188X, MENZ127, VX855, WM831X, WM8994
     support the new single ended callback for open drain and in some
     cases open source.

   - Implement the .get_direction() callback for a few more drivers like
     PL061, Xgene.

  Cleanups:

   - Paul Gortmaker combed through the drivers and de-modularized those
     who are not really modules.

   - Move the GPIO poweroff DT bindings to the power subdir where they
     belong.

   - Rename gpio-generic.c to gpio-mmio.c, which is much more to the
     point.  That's what it is handling, nothing more, nothing less"

* tag 'gpio-v4.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (126 commits)
  MIPS: do away with ARCH_[WANT_OPTIONAL|REQUIRE]_GPIOLIB
  gpio: zevio: make it explicitly non-modular
  gpio: timberdale: make it explicitly non-modular
  gpio: stmpe: make it explicitly non-modular
  gpio: sodaville: make it explicitly non-modular
  pinctrl: sh-pfc: Let gpio_chip.to_irq() return zero on error
  gpio: dwapb: Add ACPI device ID for DWAPB GPIO controller on X-Gene platforms
  gpio: dt-bindings: add wd,mbl-gpio bindings
  gpio: of: make it possible to name GPIO lines
  gpio: make gpiod_to_irq() return negative for NO_IRQ
  gpio: xgene: implement .get_direction()
  gpio: xgene: Enable ACPI support for X-Gene GFC GPIO driver
  gpio: tegra: Implement gpio_get_direction callback
  gpio: set up initial state from .get_direction()
  gpio: rename gpio-generic.c into gpio-mmio.c
  gpio: generic: fix GPIO_GENERIC_PLATFORM is set to module case
  gpio: dwapb: add gpio-signaled acpi event support
  gpio: dwapb: convert device node to fwnode
  gpio: dwapb: remove name from dwapb_port_property
  gpio/qoriq: select IRQ_DOMAIN
  ...
2016-05-17 17:39:42 -07:00
Linus Torvalds
a7fd20d1c4 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Miller:
 "Highlights:

   1) Support SPI based w5100 devices, from Akinobu Mita.

   2) Partial Segmentation Offload, from Alexander Duyck.

   3) Add GMAC4 support to stmmac driver, from Alexandre TORGUE.

   4) Allow cls_flower stats offload, from Amir Vadai.

   5) Implement bpf blinding, from Daniel Borkmann.

   6) Optimize _ASYNC_ bit twiddling on sockets, unless the socket is
      actually using FASYNC these atomics are superfluous.  From Eric
      Dumazet.

   7) Run TCP more preemptibly, also from Eric Dumazet.

   8) Support LED blinking, EEPROM dumps, and rxvlan offloading in mlx5e
      driver, from Gal Pressman.

   9) Allow creating ppp devices via rtnetlink, from Guillaume Nault.

  10) Improve BPF usage documentation, from Jesper Dangaard Brouer.

  11) Support tunneling offloads in qed, from Manish Chopra.

  12) aRFS offloading in mlx5e, from Maor Gottlieb.

  13) Add RFS and RPS support to SCTP protocol, from Marcelo Ricardo
      Leitner.

  14) Add MSG_EOR support to TCP, this allows controlling packet
      coalescing on application record boundaries for more accurate
      socket timestamp sampling.  From Martin KaFai Lau.

  15) Fix alignment of 64-bit netlink attributes across the board, from
      Nicolas Dichtel.

  16) Per-vlan stats in bridging, from Nikolay Aleksandrov.

  17) Several conversions of drivers to ethtool ksettings, from Philippe
      Reynes.

  18) Checksum neutral ILA in ipv6, from Tom Herbert.

  19) Factorize all of the various marvell dsa drivers into one, from
      Vivien Didelot

  20) Add VF support to qed driver, from Yuval Mintz"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1649 commits)
  Revert "phy dp83867: Fix compilation with CONFIG_OF_MDIO=m"
  Revert "phy dp83867: Make rgmii parameters optional"
  r8169: default to 64-bit DMA on recent PCIe chips
  phy dp83867: Make rgmii parameters optional
  phy dp83867: Fix compilation with CONFIG_OF_MDIO=m
  bpf: arm64: remove callee-save registers use for tmp registers
  asix: Fix offset calculation in asix_rx_fixup() causing slow transmissions
  switchdev: pass pointer to fib_info instead of copy
  net_sched: close another race condition in tcf_mirred_release()
  tipc: fix nametable publication field in nl compat
  drivers: net: Don't print unpopulated net_device name
  qed: add support for dcbx.
  ravb: Add missing free_irq() calls to ravb_close()
  qed: Remove a stray tab
  net: ethernet: fec-mpc52xx: use phy_ethtool_{get|set}_link_ksettings
  net: ethernet: fec-mpc52xx: use phydev from struct net_device
  bpf, doc: fix typo on bpf_asm descriptions
  stmmac: hardware TX COE doesn't work when force_thresh_dma_mode is set
  net: ethernet: fs-enet: use phy_ethtool_{get|set}_link_ksettings
  net: ethernet: fs-enet: use phydev from struct net_device
  ...
2016-05-17 16:26:30 -07:00
Rafael J. Wysocki
acc53b49b1 Merge branch 'pm-cpuidle'
* pm-cpuidle:
  cpuidle: Replace ktime_get() with local_clock()
  drivers: firmware: psci: use const and __initconst for psci_cpuidle_ops
  soc: qcom: spm: Use const and __initconst for qcom_cpuidle_ops
  ARM: cpuidle: constify return value of arm_cpuidle_get_ops()
  ARM: cpuidle: add const qualifier to cpuidle_ops member in structures
  intel_idle: add BXT support
  cpuidle: Indicate when a device has been unregistered
2016-05-16 14:31:03 +02:00
Bjorn Andersson
f79a917e69 Qualcomm ARM Based SoC Updates for v4.7 part 2
* Change SMD callback parameters
 * Use writecombine mapping for SMEM
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Merge tag 'qcom-soc-for-4.7-2' into net-next

This merges the Qualcomm SOC tree with the net-next, solving the
merge conflict in the SMD API between the two.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2016-05-13 14:42:23 -07:00
Arnd Bergmann
182e0842b0 - re-organize pmic wrapper code for easier and cleaner addiont of new SoCs and pmic wrappers
- add support for pmic wrapper mt6323
 - add support for SoC mt2701
 - enable gpt6 arch timer on mt7623
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Merge tag 'v4.6-next-soc' of https://github.com/mbgg/linux-mediatek into next/drivers

Merge "ARM: mediatek soc updates for v4.7" from Matthias Brugger:

- re-organize pmic wrapper code for easier and cleaner addiont of new SoCs and pmic wrappers
- add support for pmic wrapper mt6323
- add support for SoC mt2701
- enable gpt6 arch timer on mt7623

* tag 'v4.6-next-soc' of https://github.com/mbgg/linux-mediatek:
  ARM: mediatek: enable gpt6 on boot up to make arch timer work on mt7623
  soc: mediatek: PMIC wrap: add MT2701/7623 support
  soc: mediatek: PMIC wrap: add mt6323 slave support
  soc: mediatek: PMIC wrap: add a slave specific struct
  soc: mediatek: PMIC wrap: remove pwrap_is_mt8135() and pwrap_is_mt8173()
  soc: mediatek: PMIC wrap: move wdt_src into the pmic_wrapper_type struct
  soc: mediatek: PMIC wrap: SPI_WRITE needs a different bitmask for MT2701/7623
  soc: mediatek: PMIC wrap: WRAP_INT_EN needs a different bitmask for MT2701/7623
  soc: mediatek: PMIC wrap: split SoC specific init into callback
  soc: mediatek: PMIC wrap: add wrapper callbacks for init_reg_clock
  soc: mediatek: PMIC wrap: don't duplicate the wrapper data
2016-05-09 16:29:36 +02:00
Arnd Bergmann
b7dcc6d01f soc/tegra: Add generic PM domain support
Implements generic PM domain support on top of the existing Tegra power-
 gate API. Drivers are thus allowed to move away from the Tegra-specific
 API and towards using generic power domains directly.
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Merge tag 'tegra-for-4.7-genpd' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers

Merge "soc/tegra: Add generic PM domain support" from Thierry Reding:

Implements generic PM domain support on top of the existing Tegra power-
gate API. Drivers are thus allowed to move away from the Tegra-specific
API and towards using generic power domains directly.

* tag 'tegra-for-4.7-genpd' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  soc/tegra: pmc: Add generic PM domain support
  dt-bindings: Add power domain info for NVIDIA PMC
2016-05-09 16:28:46 +02:00
Arnd Bergmann
f0653f6768 Ability to save and restore the power-domain quality of service
settings that get lost and reset on power-domain power cycles.
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Merge tag 'v4.7-rockchip-drivers-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into next/drivers

Merge "Rockchip driver updates for v4.7 - part2" from Heiko Stübner:

Ability to save and restore the power-domain quality of service
settings that get lost and reset on power-domain power cycles.

* tag 'v4.7-rockchip-drivers-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
  soc: rockchip: power-domain: support qos save and restore
  dt-bindings: modify document of Rockchip power domains
2016-05-09 16:17:16 +02:00
Jon Hunter
a38045121b soc/tegra: pmc: Add generic PM domain support
Adds generic PM domain support to the PMC driver where the PM domains
are populated from device-tree and the PM domain consumer devices are
bound to their relevant PM domains via device-tree as well.

Update the tegra_powergate_sequence_power_up() API so that internally
it calls the same tegra_powergate_xxx functions that are used by the
Tegra generic PM domain code for consistency.

To ensure that the Tegra power domains (a.k.a. powergates) cannot be
controlled via both the legacy tegra_powergate_xxx functions as well
as the generic PM domain framework, add a bit map for available
powergates that can be controlled via the legacy powergate functions.

Move the majority of the tegra_powergate_remove_clamping() function
to a sub-function, so that this can be used by both the legacy and
generic power domain code.

This is based upon work by Thierry Reding <treding@nvidia.com>
and Vince Hsu <vinceh@nvidia.com>.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-04-29 17:17:47 +02:00
Arnd Bergmann
a183d7f846 Second Round of Renesas ARM Based SoC R-Car SYSC Updates for v4.7
Introduce a DT-based driver for the R-Car System Controller, as found on
 Renesas R-Car H1, R-Car Gen2, and R-Car Gen3 SoCs.
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Merge tag 'renesas-rcar-sysc2-for-v4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/drivers

Merge "Second Round of Renesas ARM Based SoC R-Car SYSC Updates for v4.7" from Simon Horman:

Introduce a DT-based driver for the R-Car System Controller, as found on
Renesas R-Car H1, R-Car Gen2, and R-Car Gen3 SoCs.

* tag 'renesas-rcar-sysc2-for-v4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: (30 commits)
  soc: renesas: rcar-sysc: Add support for R-Car H3 power areas
  soc: renesas: rcar-sysc: Add support for R-Car E2 power areas
  soc: renesas: rcar-sysc: Add support for R-Car M2-N power areas
  soc: renesas: rcar-sysc: Add support for R-Car M2-W power areas
  soc: renesas: rcar-sysc: Add support for R-Car H2 power areas
  soc: renesas: rcar-sysc: Add support for R-Car H1 power areas
  soc: renesas: rcar-sysc: Enable Clock Domain for I/O devices
  soc: renesas: rcar-sysc: Make rcar_sysc_power_is_off() static
  soc: renesas: rcar-sysc: Add DT support for SYSC PM domains
  soc: renesas: rcar-sysc: Improve rcar_sysc_power() debug info
  soc: renesas: Move pm-rcar to drivers/soc/renesas/rcar-sysc
  clk: renesas: cpg-mssr: Export cpg_mssr_{at,de}tach_dev()
  clk: renesas: mstp: Provide dummy attach/detach_dev callbacks
  clk: renesas: Provide Kconfig symbols for CPG/MSSR and CPG/MSTP support
  soc: renesas: Add r8a7795 SYSC PM Domain Binding Definitions
  soc: renesas: Add r8a7794 SYSC PM Domain Binding Definitions
  soc: renesas: Add r8a7793 SYSC PM Domain Binding Definitions
  soc: renesas: Add r8a7791 SYSC PM Domain Binding Definitions
  soc: renesas: Add r8a7790 SYSC PM Domain Binding Definitions
  soc: renesas: Add r8a7779 SYSC PM Domain Binding Definitions
  ...
2016-04-26 10:21:57 +02:00