modify get_qe_base function with of_address_to_resource
instead of of_get_property and of_translate_address.
Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
Use the function resource_size instead of explicit computation.
Problem found using Coccinelle.
Signed-off-by: Vaishali Thakkar <vaishali.thakkar@oracle.com>
Signed-off-by: Scott Wood <oss@buserror.net>
reduces the failure rate on the data transfer between pmic and
pmic wrapper.
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Merge tag 'v4.8-next-soc' of https://github.com/mbgg/linux-mediatek into next/drivers
Pull "ARM: mediatek: soc updates for v4.9" from Matthias Brugger:
extent the waiting time of the pmic wrapper to 10 ms which
reduces the failure rate on the data transfer between pmic and
pmic wrapper.
* tag 'v4.8-next-soc' of https://github.com/mbgg/linux-mediatek:
soc: mediatek: PMIC wrap: Extend the waiting time to 10ms.
This contains a single patch to fix an issue with setting the deep power
down mode of I/O rails.
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Merge tag 'tegra-for-4.9-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers
Pull "soc/tegra: Changes for v4.9-rc1" from Thierry Reding:
This contains a single patch to fix an issue with setting the deep power
down mode of I/O rails.
* tag 'tegra-for-4.9-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
soc/tegra: pmc: Fix incorrect DPD request
Update the EXYNOS PM domain code to use the of_genpd_add_subdomain()
and remove any calls to of_genpd_get_from_provider().
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The local end of each SMD channel is responsible for updating the tx
head and the rx tail, as such we should not touch the tx tail during a
reset.
Reported-by: Jeremy McNicoll <jmcnicol@redhat.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
By representing each edge as its own device the channels are no longer
tied to being parented by the same smd device and as such an edge can
live as children of e.g. remoteproc instances.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
The code exectued by the interrupt handler depends on the values parsed
after requesting the irq, just to be save we should therefor move the
request_irq() call to be done after parsing the properties.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
Multi-channel clients split between several drivers need a way to close
individual channels, as these drivers might be removed individually.
With this in place the responsibility of closing additionally opened
channels to the client as well only concerning smd about the primary
channel.
With this approach we will only trigger removal of SMD devices based on
the state of the primary channel, however we get in sync with how rpmsg
works.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
If we fail to get the hwspinlock due to probe defer, we shouldn't
print an error message. Just be silent in this case.
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
Read data fails sometimes because of a timeout that PMIC cannot transfer data
to PMIC wrap on time, extend the waiting time to 10ms to reduce the failed
rate.
Signed-off-by: Henry Chen <henryc.chen@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Register gpd_dev_ops.active_wakeup function to support keep power
during suspend state. And add flag to each power domain to
decide whether keep power during suspend or not.
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reading the DPD_REQ & DPD2_REQ registers returns the previous requests.
If we sets the current request bit with the returned value, then other
pads will be turned on or off unexpectedly.
Signed-off-by: Vince Hsu <vinceh@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Driver updates for ARM SoCs.
A slew of changes this release cycle. The reset driver tree, that we merge
through arm-soc for historical reasons, is also sizable this time around.
Among the changes:
- clps711x: Treewide changes to compatible strings, merged here for simplicity.
- Qualcomm: SCM firmware driver cleanups, move to platform driver
- ux500: Major cleanups, removal of old mach-specific infrastructure.
- Atmel external bus memory driver
- Move of brcmstb platform to the rest of bcm
- PMC driver updates for tegra, various fixes and improvements
- Samsung platform driver updates to support 64-bit Exynos platforms
- Reset controller cleanups moving to devm_reset_controller_register() APIs
- Reset controller driver for Amlogic Meson
- Reset controller driver for Hisilicon hi6220
- ARM SCPI power domain support
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Olof Johansson:
"Driver updates for ARM SoCs.
A slew of changes this release cycle. The reset driver tree, that we
merge through arm-soc for historical reasons, is also sizable this
time around.
Among the changes:
- clps711x: Treewide changes to compatible strings, merged here for simplicity.
- Qualcomm: SCM firmware driver cleanups, move to platform driver
- ux500: Major cleanups, removal of old mach-specific infrastructure.
- Atmel external bus memory driver
- Move of brcmstb platform to the rest of bcm
- PMC driver updates for tegra, various fixes and improvements
- Samsung platform driver updates to support 64-bit Exynos platforms
- Reset controller cleanups moving to devm_reset_controller_register() APIs
- Reset controller driver for Amlogic Meson
- Reset controller driver for Hisilicon hi6220
- ARM SCPI power domain support"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (100 commits)
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
soc: raspberrypi-power: add CONFIG_OF dependency
firmware: scpi: add CONFIG_OF dependency
video: clps711x-fb: Changing the compatibility string to match with the smallest supported chip
input: clps711x-keypad: Changing the compatibility string to match with the smallest supported chip
pwm: clps711x: Changing the compatibility string to match with the smallest supported chip
serial: clps711x: Changing the compatibility string to match with the smallest supported chip
irqchip: clps711x: Changing the compatibility string to match with the smallest supported chip
clocksource: clps711x: Changing the compatibility string to match with the smallest supported chip
clk: clps711x: Changing the compatibility string to match with the smallest supported chip
...
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
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
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>
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>
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>
* 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>
* 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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
- 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>
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>
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>
QE has module to support TDM, some other protocols
supported by QE are based on TDM.
add a qe-tdm lib, this lib provides functions to the protocols
using TDM to configurate QE-TDM.
Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add tdm clock configuration in both qe clock system and ucc
fast controller.
Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Rx_sync and tx_sync are used by QE-TDM mode,
add them to struct ucc_fast_info.
Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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>
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>
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>
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>
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>
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>
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
...
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
...
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
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
...
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
...
* 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
* 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>
- 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
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
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
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>
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
...
R-Car M2-N is identical to R-Car M2-W w.r.t. power domains, so reuse the
definitions from the latter.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
On R-Car H3, some power areas (e.g. A3VP) contain I/O devices, which are
also part of the CPG/MSSR Clock Domain.
On all R-Car SoCs, devices in the "always-on" PM Domain are part of the
Clock Domain served by the CPG/MSSR or CPG/MSTP driver.
Hook up the CPG/MSTP or CPG/MSSR Clock Domain attach/detach callbacks to
enable power management using module clocks. Which callback to hook up
depends on the presence of device nodes compatible with
"renesas,cpg-mstp-clocks". This clears the path for a future migration
from the CPG/MSTP to the CPG/MSSR driver on R-Car H1 and
Gen2.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Do not leak a ioremap()'d cookie around, unmaping it in case of errors
Fixes: cef4bafcea ("soc: brcmstb: add SoC driver to brcmstb")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The newly added code for the SoC bus fails to link if the
bus is not built:
drivers/soc/built-in.o: In function `brcmstb_soc_device_init':
:(.init.text+0x110): undefined reference to `soc_device_register'
This adds a 'select' statement to avoid the error.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: cef4bafcea ("soc: brcmstb: add SoC driver to brcmstb")
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
* Change SMD callback parameters
* Use writecombine mapping for SMEM
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Merge tag 'qcom-soc-for-4.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into next/drivers
Merge "Qualcomm ARM Based SoC Updates for v4.7 part 2" from Andy Gross:
* Change SMD callback parameters
* Use writecombine mapping for SMEM
* tag 'qcom-soc-for-4.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
soc: qcom: smd: Make callback pass channel reference
soc: qcom: smem: Use write-combine remap for SMEM
- Justin adds a soc_dev driver to properly report to user-space the Broadcom
STB SoC family, product and revision
- Florian reworks how the brcmstb_gisb driver dependency is done to enable it
on Broadcom STB MIPS-based SoCs and remove a select in
arch/arm/mach-bcm/Kconfig
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Merge tag 'arm-soc/for-4.7/drivers' of http://github.com/Broadcom/stblinux into next/drivers
Merge "Broadcom ARM-based SoCs drivers changes" from Florian Fainelli:
- Justin adds a soc_dev driver to properly report to user-space the Broadcom
STB SoC family, product and revision
- Florian reworks how the brcmstb_gisb driver dependency is done to enable it
on Broadcom STB MIPS-based SoCs and remove a select in
arch/arm/mach-bcm/Kconfig
* tag 'arm-soc/for-4.7/drivers' of http://github.com/Broadcom/stblinux:
bus: brcmstb_gisb: Rework dependencies
soc: brcmstb: add SoC driver to brcmstb
This contains a bunch of preparatory patches to the PMC driver which are
a prerequisite to moving the driver to generic power domains.
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Merge tag 'tegra-for-4.7-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers
Merge "soc/tegra: Changes for v4.7-rc1" from Thierry Reding:
This contains a bunch of preparatory patches to the PMC driver which are
a prerequisite to moving the driver to generic power domains.
* tag 'tegra-for-4.7-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
dt-bindings: Update NVIDIA PMC for Tegra
soc/tegra: pmc: Wait for powergate state to change
soc/tegra: pmc: Ensure GPU partition can be toggled on/off by PMC
soc/tegra: pmc: Remove additional check for a valid partition
soc/tegra: pmc: Fix verification of valid partitions
soc/tegra: pmc: Fix testing of powergate state
soc/tegra: pmc: Change powergate and rail IDs to be an unsigned type
soc/tegra: pmc: Protect public functions from potential race conditions
soc/tegra: pmc: Restore base address on probe failure
soc/tegra: pmc: Remove non-existing L2 partition for Tegra124
soc/tegra: pmc: Remove non-existing power partitions for Tegra210
soc/tegra: pmc: Remove debugfs entry on probe failure
soc/tegra: pmc: Fix sparse warning for tegra_pmc_init_tsense_reset()
soc/tegra: pmc: Add missing structure members to kernel-doc
As of commit b12ff41658 ("ARM: shmobile: r8a7779: Remove legacy PM
Domain remainings"), rcar_sysc_power_is_off() is no longer used from
SoC-specific code.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Populate the SYSC PM domains from DT, based on the presence of a device
node for the System Controller. The actual power area hiearchy, and
features of specific areas are obtained from tables in the C code.
The SYSCIER and SYSCIMR register values are derived from the power areas
present, which will help to get rid of the hardcoded values in R-Car H1
and R-Car Gen2 platform code later.
Initialization is done from an early_initcall(), to make sure the PM
Domains are initialized before secondary CPU bringup.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Move the pm-rcar driver from arch/arm/mach-shmobile/ to
drivers/soc/renesas/, and its header file to include/linux/soc/renesas/,
so it can be shared between arm32 (R-Car H1 and Gen2) and arm64 (R-Car
Gen3). Rename it to rcar-sysc as it's really a driver for the R-Car
System Controller (SYSC).
Kill the intermediate PM_RCAR config symbol, as it's not user
configurable anymore, and to prepare for SoC-specific make rules.
Add the missing #include <linux/types.h> to rcar-sysc.h, which was
exposed by different include order.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
support qos save and restore when power domain on/off.
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Add the registers, callbacks and data structures required to make the
wrapper work on MT2701 and MT7623.
Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Add support for MT6323 slaves. This PMIC can be found on MT2701 and MT7623
EVB. The only function that we need to touch is pwrap_init_cipher().
Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
This patch adds a new struct pwrap_slv_type that we use to store the slave
specific data. The patch adds 2 new helper functions to access the dew
registers. The slave type is looked up via the wrappers child node.
Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
With more SoCs being added the list of helper functions like these would
grow. To mitigate this problem we remove the existing helpers and change
the code to test against the pmic type stored inside the pmic specific
datastructure that our context structure points at. There is one usage of
pwrap_is_mt8135() that is ambiguous as the test should not be dependent on
mt8135, but rather on the existence of a bridge. Add a new element to
pmic_wrapper_type to indicate if a bridge is present and use this where
appropriate.
Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Different SoCs will use different bitmask for the wdt_src. This patch
defines the bitmask in the pmic_wrapper_type struct. This allows us to
support new SoCs with a different bitmask to the one currently used.
Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Different SoCs will use different bitmask for the SPI_WRITE command. This
patch defines the bitmask in the pmic_wrapper_type struct. This allows us
to support new SoCs with a different bitmask to the one currently used.
Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
MT2701 and MT7623 use a different bitmask for PWRAP_INT_EN.
Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
This patch moves the SoC specific wrapper init code into separate callback
to avoid pwrap_init() getting too large. This is done by adding a new
element called init_special to pmic_wrapper_type. Each currently supported
SoC gets its own version of the callback and we copy the code that was
previously inside pwrap_init() to these new callbacks. Finally we point the
2 instances of pmic_wrapper_type at the 2 new functions.
Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Split init_reg_clock up into SoC specific callbacks. The patch also
reorders the code to avoid the need for callback function prototypes.
Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
As we add support for more devices struct pmic_wrapper_type will grow and
we do not really want to start duplicating all the elements in
struct pmic_wrapper.
Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
The qcom_cpuidle_ops structures is not over-written, so add "const"
qualifier and replace __initdata with __initconst.
Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Andy Gross <andy.gross@linaro.org>
By passing the smd channel reference to the callback, rather than the
smd device, we can open additional smd channels from sub-devices of smd
devices.
Also updates the two smd clients today found in mainline.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
Mapping the SMEM region as write combine makes the contiguous writes
in SMD perform better and also allows us to do unaligned read and writes
on ARM64.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Andy Gross <andy.gross@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
Value of soc_dev_attributes:
* family = chip family id
* soc_id = product id
* revision = product revision
Signed-off-by: Justin Chen <justin.chen@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
rk3399 powerdomains and necessary infrastructure changes to
accomodate them - like supporting nested powerdomains here.
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Merge tag 'v4.7-rockchip-drivers-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into next/drivers
Rockchip soc-specific driver changes containing support for the
rk3399 powerdomains and necessary infrastructure changes to
accomodate them - like supporting nested powerdomains here.
* tag 'v4.7-rockchip-drivers-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
soc: rockchip: power-domain: check the existing of regmap
soc: rockchip: power-domain: Modify power domain driver for rk3399
dt-bindings: add binding for rk3399 power domains
dt-bindings: add power-domain header for RK3399 SoCs
soc: rockchip: power-domain: add support for sub-power domains
soc: rockchip: power-domain: allow domains only handling idle requests
soc: rockchip: power-domain: make idle handling optional
Signed-off-by: Olof Johansson <olof@lixom.net>
This reverts commit cc8ed76938
("soc: mediatek: SCPSYS: Fix double enabling of regulators") [1].
This patch fixes mt8173-evb failing boot issue. With commit [1],
genpd state will not sync to real power domain state. So some
resources such as clocks and regulators may stay in a wrong state.
There is no regulator double enabling issue on mainline kernel, so
we can refert commit [1] safely.
Signed-off-by: James Liao <jamesjj.liao@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
These two are both ARMv7 SoCs. They need not explicitly select
ARM_L1_CACHE_SHIFT_6 because it is enabled along with CPU_V7.
Refer to commit a092f2b153 ("ARM: 7291/1: cache: assume 64-byte L1
cachelines for ARMv7 CPUs").
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Check return value of syscon_node_to_regmap for
rockchip_pm_domain_probe. If err value is returned, probe
procedure should abort.
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Currently, the function tegra_powergate_set() simply sets the desired
powergate state but does not wait for the state to change. In most cases
we should wait for the state to change before proceeding. Currently,
there is a case for Tegra114 and Tegra124 devices where we do not wait
when starting the secondary CPU as this is not necessary. However, this
is only done at boot time and so waiting here will only have a small
impact on boot time. Therefore, update tegra_powergate_set() to wait
when setting the powergate.
By adding this feature, we can also eliminate the polling loop from
tegra30_boot_secondary().
A function has been added for checking the status of the powergate and
so update the tegra_powergate_is_powered() to use this macro as well.
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
For Tegra124 and Tegra210, the GPU partition cannot be toggled on and
off via the APBDEV_PMC_PWRGATE_TOGGLE_0 register. For these devices, the
partition is simply powered up and down via an external regulator.
For these devices, there is a separate register for controlling the
signal clamping of the partition and this is described in the PMC SoC
data by the "has_gpu_clamp" variable. Use this variable to determine if
the GPU partition can be controlled via the APBDEV_PMC_PWRGATE_TOGGLE_0
register and ensure that no one can incorrectly try to toggle the GPU
partition via the APBDEV_PMC_PWRGATE_TOGGLE_0 register.
Furthermore, we cannot use the APBDEV_PMC_PWRGATE_STATUS_0 register to
determine if the GPU partition is powered for Tegra124 and Tegra210.
However, if the GPU partition is powered, then the signal clamp for the
GPU partition should be removed and so use bit 0 of the
APBDEV_PMC_GPU_RG_CNTRL_0 register to determine if the clamp has been
removed (bit[0] = 0) and the GPU partition is powered.
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
The function tegra_powergate_is_powered() verifies that the partition
being queried is valid and so there is no need to check this before
calling tegra_powergate_is_powered() in powergate_show(). So remove this
extra check.
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
The Tegra power partitions are referenced by numerical IDs which are the
same values programmed into the PMC registers for controlling the
partition. For a given device, the valid partition IDs may not be
contiguous and so simply checking that an ID is not greater than the
maximum ID supported may not mean it is valid. Fix this by checking if
the powergate is defined in the list of powergates for the Tegra SoC.
Add a helper function for checking valid powergates and use where we
need to verify if the powergate ID is valid or not.
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
In tegra_powergate_set() the state of the powergates is read and OR'ed
with the bit for the powergate of interest. This unsigned 32-bit value
is then compared with a boolean value to test if the powergate is
already in the desired state. When turning on a powergate, apart from
the powergate that is represented by bit 0, this test will always
return false and so we may attempt to turn on the powergate when it is
already on.
After OR'ing the bit for the powergate, check if the result is not equal
to zero before comparing with the boolean value. Add a helper function
to return the current state of a powergate and use this in both
tegra_powergate_set() and tegra_powergate_is_powered() where we check
the powergate status.
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
The Tegra powergate and rail IDs are always positive values and so change
the type to be unsigned and remove the tests to see if the ID is less
than zero. Update the Tegra DC powergate type to be an unsigned as well.
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
The PMC base address pointer is initialised during early boot so that
early platform code may used the PMC public functions. During the probe
of the PMC driver the base address pointer is mapped again and the initial
mapping is freed. This exposes a window where a device accessing the PMC
registers via one of the public functions, could race with the updating
of the pointer and lead to a invalid access. Furthermore, the only
protection between multiple devices attempting to access the PMC registers
is when setting the powergate state to on or off. None of the other public
functions that access the PMC registers are protected.
Use the existing mutex to protect paths that may race with regard to
accessing the PMC registers.
Note that functions tegra_io_rail_prepare()/poll() either return a
negative value on failure or zero on success. Therefore, it is not
necessary to check if the return value is less than zero and so only
test that the return value is not zero to test for failure. This
simplifies the error handling with the mutex locking in place.
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
During early initialisation, the PMC registers are mapped and the PMC SoC
data is populated in the PMC data structure. This allows other drivers
access the PMC register space, via the public Tegra PMC APIs, prior to
probing the PMC device.
When the PMC device is probed, the PMC registers are mapped again and if
successful the initial mapping is freed. If the probing of the PMC device
fails after the registers are remapped, then the registers will be
unmapped and hence the pointer to the PMC registers will be invalid. This
could lead to a potential crash, because once the PMC SoC data pointer is
populated, the driver assumes that the PMC register mapping is also valid
and a user calling any of the public Tegra PMC APIs could trigger an
exception because these APIs don't check that the mapping is still valid.
Fix this by updating the mapping and freeing the original mapping only if
probing the PMC device is successful.
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Tegra124 does not have an L2 power partition and the L2 cache is part of
the cluster 0 non-CPU (CONC) partition. Remove the L2 as a valid
partition for Tegra124. The TRM also shows that there is no L2 partition
for Tegra124.
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
The power partitions L2, HEG, CELP and C1NC do not exist on Tegra210 but
were incorrectly documented in the TRM. These will be removed from the
TRM and so also remove their definitions.
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
The debugfs entry for the PMC device will not be removed if the probe of
the device fails to register the restart handler. This leaves behind the
dangling debugfs entry with no driver backing it. Remove the entry to
avoid this.
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Sparse reports the following warning for tegra_pmc_init_tsense_reset():
drivers/soc/tegra/pmc.c:741:6: warning: symbol 'tegra_pmc_init_tsense_reset' was not declared. Should it be static?
This function is only used internally by the PMC driver and so fix this
by making it static.
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Some members of the tegra_pmc structure are missing from the kernel-doc
comment for this structure. Add the missing members.
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
We cannot pile all numbers on this list, just print the three hex
digits representing the board ID so we can handle all the new
RealView boards.
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
With the qcom_smd_open_channel() API we allow SMD devices to open
additional SMD channels, to allow implementation of multi-channel SMD
devices - like Bluetooth.
Channels are opened from the same edge as the calling SMD device is tied
to.
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
Refactor opening and closing of channels into two separate functions
instead of open coding this in the various places.
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
Split the two steps of channel discovery and state change handling into
two different workers. This allows for new channels to be found while
we're are probing, which is required as we introduce multi-channel
support.
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
Introduce a setter for the callback function pointer to clarify the
locking around the operation and to reduce some duplication.
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
SPM driver provides cpuidle support on some QC SoC's. The functionality
is non-modular and there is no need for module support. Convert module
platform init to builtin platform driver init. The driver functionality
is not affected by this change.
Cc: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Lina Iyer <lina.iyer@linaro.org>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
This makes the driver use the data pointer added to the gpio_chip
to store a pointer to the state container instead of relying on
container_of().
Cc: Anatolij Gustschin <agust@denx.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This driver is modified to support RK3399 SoC.
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
[small indentation fixups]
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This patch adds support for making one power domain a sub-domain of
other domain. This is useful for modeling power dependences,
which needs to have more than one power domain enabled to be operational.
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
[restructured error handling in subdomain-addition]
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
On some Rockchip SoC there exist child-domains only handling their
idle state with the actual power-state handled by a (shared) parent-
domain.
So allow such types of domains. For them, we can determine their
state (on/off) by checking the inverse idle-state instead.
There exist one special case if both idle as well power handling
were set as not present, but as the domain-data is defined in the
code itself, we can expect the reasonable developer to define them
in a correct way, without adding more checks.
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Not all new socs need to handle idle states on domain state changes,
so add the possibility to make them optional.
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Driver updates for ARM SoCs, these contain various things that touch
the drivers/ directory but got merged through arm-soc for practical
reasons:
- Rockchip rk3368 gains power domain support
- Small updates for the ARM spmi driver
- The Atmel PMC driver saw a larger rework, touching both
arch/arm/mach-at91 and drivers/clk/at91
- All reset controller driver changes alway get merged through
arm-soc, though this time the largest change is the addition
of a MIPS pistachio reset driver
- One bugfix for the NXP (formerly Freescale) i.MX weim bus driver
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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:
- Rockchip rk3368 gains power domain support
- Small updates for the ARM spmi driver
- The Atmel PMC driver saw a larger rework, touching both
arch/arm/mach-at91 and drivers/clk/at91
- All reset controller driver changes alway get merged through
arm-soc, though this time the largest change is the addition of a
MIPS pistachio reset driver
- One bugfix for the NXP (formerly Freescale) i.MX weim bus driver"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (43 commits)
bus: imx-weim: Take the 'status' property value into account
clk: at91: remove useless includes
clk: at91: pmc: remove useless capacities handling
clk: at91: pmc: drop at91_pmc_base
usb: gadget: atmel: access the PMC using regmap
ARM: at91: remove useless includes and function prototypes
ARM: at91: pm: move idle functions to pm.c
ARM: at91: pm: find and remap the pmc
ARM: at91: pm: simply call at91_pm_init
clk: at91: pmc: move pmc structures to C file
clk: at91: pmc: merge at91_pmc_init in atmel_pmc_probe
clk: at91: remove IRQ handling and use polling
clk: at91: make use of syscon/regmap internally
clk: at91: make use of syscon to share PMC registers in several drivers
hwmon: (scpi) add energy meter support
firmware: arm_scpi: add support for 64-bit sensor values
firmware: arm_scpi: decrease Tx timeout to 20ms
firmware: arm_scpi: fix send_message and sensor_get_value for big-endian
reset: sti: Make reset_control_ops const
reset: zynq: Make reset_control_ops const
...
Newly added support for additional SoCs:
- Axis Artpec-6 SoC family
- Allwinner A83T SoC
- Mediatek MT7623
- NXP i.MX6QP SoC
- ST Microelectronics stm32f469 microcontroller
New features:
- SMP support for Mediatek mt2701
- Big-endian support for NXP i.MX
- DaVinci now uses the new DMA engine dma_slave_map
- OMAP now uses the new DMA engine dma_slave_map
- earlyprintk support for palmchip uart on mach-tango
- delay timer support for orion
Other:
- Exynos PMU driver moved out to drivers/soc/
- Various smaller updates for Renesas, Xilinx, PXA, AT91, OMAP, uniphier
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform updates from Arnd Bergmann:
"Newly added support for additional SoCs:
- Axis Artpec-6 SoC family
- Allwinner A83T SoC
- Mediatek MT7623
- NXP i.MX6QP SoC
- ST Microelectronics stm32f469 microcontroller
New features:
- SMP support for Mediatek mt2701
- Big-endian support for NXP i.MX
- DaVinci now uses the new DMA engine dma_slave_map
- OMAP now uses the new DMA engine dma_slave_map
- earlyprintk support for palmchip uart on mach-tango
- delay timer support for orion
Other:
- Exynos PMU driver moved out to drivers/soc/
- Various smaller updates for Renesas, Xilinx, PXA, AT91, OMAP,
uniphier"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (83 commits)
ARM: uniphier: rework SMP code to support new System Bus binding
ARM: uniphier: add missing of_node_put()
ARM: at91: avoid defining CONFIG_* symbols in source code
ARM: DRA7: hwmod: Add data for eDMA tpcc, tptc0, tptc1
ARM: imx: Make reset_control_ops const
ARM: imx: Do L2 errata only if the L2 cache isn't enabled
ARM: imx: select ARM_CPU_SUSPEND only for imx6
dmaengine: pxa_dma: fix the maximum requestor line
ARM: alpine: select the Alpine MSI controller driver
ARM: pxa: add the number of DMA requestor lines
dmaengine: mmp-pdma: add number of requestors
dma: mmp_pdma: Add the #dma-requests DT property documentation
ARM: OMAP2+: Add rtc hwmod configuration for ti81xx
ARM: s3c24xx: Avoid warning for inb/outb
ARM: zynq: Move early printk virtual address to vmalloc area
ARM: DRA7: hwmod: Add custom reset handler for PCIeSS
ARM: SAMSUNG: Remove unused register offset definition
ARM: EXYNOS: Cleanup header files inclusion
drivers: soc: samsung: Enable COMPILE_TEST
MAINTAINERS: Add maintainers entry for drivers/soc/samsung
...
As usual, we queue up a few fixes that don't seem urgent enough to go in
through -rc.
- a number of randconfig warning fixes from Arnd
- various small fixes for OMAP
- one somewhat larger patch to restore the OMAP3 cpuidle
tuning that was lost in a cleanup
- a small regression fix for cns3xxx PCI
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Merge tag 'armsoc-fixes-nc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC non-urgent fixes from Arnd Bergmann:
"As usual, we queue up a few fixes that don't seem urgent enough to go
in through -rc.
- a number of randconfig warning fixes from Arnd
- various small fixes for OMAP
- one somewhat larger patch to restore the OMAP3 cpuidle tuning that
was lost in a cleanup
- a small regression fix for cns3xxx PCI"
* tag 'armsoc-fixes-nc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (26 commits)
CNS3xxx: Fix PCI cns3xxx_write_config()
MAINTAINERS: unify email addrs for Kevin Hilman
CNS3xxx: remove unused *_VIRT definitions
ARM: OMAP2+: Fix hwmod clock for l4_ls
soc: TI knav_qmss: fix dma_addr_t printing
ARM: prima2: always enable reset controller
ARM: socfpga: hide unused functions
ARM: ux500: fix ureachable iounmap()
ARM: ks8695: fix __initdata annotation
ARM: mvebu: mark mvebu_hwcc_pci_nb as __maybe_unused
ARM: mv78xx0: avoid unused function warning
ARM: orion: only select I2C_BOARDINFO when using I2C
ARM: OMAP2+: Fix out of range register access with syscon_config.max_register
ARM: OMAP3: Add cpuidle parameters table for omap3430
ARM: davinci: make I2C support optional
ARM: davinci: DA8xx+DMx combined kernels need PATCH_PHYS_VIRT
ARM: davinci: avoid unused mityomapl138_pn_info variable
ARM: davinci: limit DT support to DA850
ARM: DRA7: hwmod: Add reset data for PCIe
ARM: DRA7: hwmod: Fix OCP2SCP sysconfig
...
Highlights:
- Restructure Linux PTE on Book3S/64 to Radix format from Paul Mackerras
- Book3s 64 MMU cleanup in preparation for Radix MMU from Aneesh Kumar K.V
- Add POWER9 cputable entry from Michael Neuling
- FPU/Altivec/VSX save/restore optimisations from Cyril Bur
- Add support for new ftrace ABI on ppc64le from Torsten Duwe
Various cleanups & minor fixes from:
- Adam Buchbinder, Andrew Donnellan, Balbir Singh, Christophe Leroy, Cyril
Bur, Luis Henriques, Madhavan Srinivasan, Pan Xinhui, Russell Currey,
Sukadev Bhattiprolu, Suraj Jitindar Singh.
General:
- atomics: Allow architectures to define their own __atomic_op_* helpers from
Boqun Feng
- Implement atomic{, 64}_*_return_* variants and acquire/release/relaxed
variants for (cmp)xchg from Boqun Feng
- Add powernv_defconfig from Jeremy Kerr
- Fix BUG_ON() reporting in real mode from Balbir Singh
- Add xmon command to dump OPAL msglog from Andrew Donnellan
- Add xmon command to dump process/task similar to ps(1) from Douglas Miller
- Clean up memory hotplug failure paths from David Gibson
pci/eeh:
- Redesign SR-IOV on PowerNV to give absolute isolation between VFs from Wei
Yang.
- EEH Support for SRIOV VFs from Wei Yang and Gavin Shan.
- PCI/IOV: Rename and export virtfn_{add, remove} from Wei Yang
- PCI: Add pcibios_bus_add_device() weak function from Wei Yang
- MAINTAINERS: Update EEH details and maintainership from Russell Currey
cxl:
- Support added to the CXL driver for running on both bare-metal and
hypervisor systems, from Christophe Lombard and Frederic Barrat.
- Ignore probes for virtual afu pci devices from Vaibhav Jain
perf:
- Export Power8 generic and cache events to sysfs from Sukadev Bhattiprolu
- hv-24x7: Fix usage with chip events, display change in counter values,
display domain indices in sysfs, eliminate domain suffix in event names,
from Sukadev Bhattiprolu
Freescale:
- Updates from Scott: "Highlights include 8xx optimizations, 32-bit checksum
optimizations, 86xx consolidation, e5500/e6500 cpu hotplug, more fman and
other dt bits, and minor fixes/cleanup."
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Merge tag 'powerpc-4.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
"This was delayed a day or two by some build-breakage on old toolchains
which we've now fixed.
There's two PCI commits both acked by Bjorn.
There's one commit to mm/hugepage.c which is (co)authored by Kirill.
Highlights:
- Restructure Linux PTE on Book3S/64 to Radix format from Paul
Mackerras
- Book3s 64 MMU cleanup in preparation for Radix MMU from Aneesh
Kumar K.V
- Add POWER9 cputable entry from Michael Neuling
- FPU/Altivec/VSX save/restore optimisations from Cyril Bur
- Add support for new ftrace ABI on ppc64le from Torsten Duwe
Various cleanups & minor fixes from:
- Adam Buchbinder, Andrew Donnellan, Balbir Singh, Christophe Leroy,
Cyril Bur, Luis Henriques, Madhavan Srinivasan, Pan Xinhui, Russell
Currey, Sukadev Bhattiprolu, Suraj Jitindar Singh.
General:
- atomics: Allow architectures to define their own __atomic_op_*
helpers from Boqun Feng
- Implement atomic{, 64}_*_return_* variants and acquire/release/
relaxed variants for (cmp)xchg from Boqun Feng
- Add powernv_defconfig from Jeremy Kerr
- Fix BUG_ON() reporting in real mode from Balbir Singh
- Add xmon command to dump OPAL msglog from Andrew Donnellan
- Add xmon command to dump process/task similar to ps(1) from Douglas
Miller
- Clean up memory hotplug failure paths from David Gibson
pci/eeh:
- Redesign SR-IOV on PowerNV to give absolute isolation between VFs
from Wei Yang.
- EEH Support for SRIOV VFs from Wei Yang and Gavin Shan.
- PCI/IOV: Rename and export virtfn_{add, remove} from Wei Yang
- PCI: Add pcibios_bus_add_device() weak function from Wei Yang
- MAINTAINERS: Update EEH details and maintainership from Russell
Currey
cxl:
- Support added to the CXL driver for running on both bare-metal and
hypervisor systems, from Christophe Lombard and Frederic Barrat.
- Ignore probes for virtual afu pci devices from Vaibhav Jain
perf:
- Export Power8 generic and cache events to sysfs from Sukadev
Bhattiprolu
- hv-24x7: Fix usage with chip events, display change in counter
values, display domain indices in sysfs, eliminate domain suffix in
event names, from Sukadev Bhattiprolu
Freescale:
- Updates from Scott: "Highlights include 8xx optimizations, 32-bit
checksum optimizations, 86xx consolidation, e5500/e6500 cpu
hotplug, more fman and other dt bits, and minor fixes/cleanup"
* tag 'powerpc-4.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (179 commits)
powerpc: Fix unrecoverable SLB miss during restore_math()
powerpc/8xx: Fix do_mtspr_cpu6() build on older compilers
powerpc/rcpm: Fix build break when SMP=n
powerpc/book3e-64: Use hardcoded mttmr opcode
powerpc/fsl/dts: Add "jedec,spi-nor" flash compatible
powerpc/T104xRDB: add tdm riser card node to device tree
powerpc32: PAGE_EXEC required for inittext
powerpc/mpc85xx: Add pcsphy nodes to FManV3 device tree
powerpc/mpc85xx: Add MDIO bus muxing support to the board device tree(s)
powerpc/86xx: Introduce and use common dtsi
powerpc/86xx: Update device tree
powerpc/86xx: Move dts files to fsl directory
powerpc/86xx: Switch to kconfig fragments approach
powerpc/86xx: Update defconfigs
powerpc/86xx: Consolidate common platform code
powerpc32: Remove one insn in mulhdu
powerpc32: small optimisation in flush_icache_range()
powerpc: Simplify test in __dma_sync()
powerpc32: move xxxxx_dcache_range() functions inline
powerpc32: Remove clear_pages() and define clear_page() inline
...
1. Split out Exynos PMU driver implementation from arm/mach-exynos
to the drivers/soc/samsung which will allow re-use of it on ARM64.
2. Use generic DT cpufreq driver on Exynos542x/5800.
3. Minor cleanups.
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Merge tag 'samsung-soc-4.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/soc
Samsung Exynos (and older platforms) improvements for v4.6:
1. Split out Exynos PMU driver implementation from arm/mach-exynos
to the drivers/soc/samsung which will allow re-use of it on ARM64.
2. Use generic DT cpufreq driver on Exynos542x/5800.
3. Minor cleanups.
* tag 'samsung-soc-4.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
ARM: s3c24xx: Avoid warning for inb/outb
ARM: SAMSUNG: Remove unused register offset definition
ARM: EXYNOS: Cleanup header files inclusion
drivers: soc: samsung: Enable COMPILE_TEST
MAINTAINERS: Add maintainers entry for drivers/soc/samsung
drivers: soc: Add support for Exynos PMU driver
ARM: EXYNOS: Split up exynos5420 SoC specific PMU data
ARM: EXYNOS: Split up exynos5250 SoC specific PMU data
ARM: EXYNOS: Split up exynos4 SoC specific PMU data
ARM: EXYNOS: Split up exynos3250 SoC specific PMU data
ARM: EXYNOS: Move pmu specific headers under "linux/soc/samsung"
ARM: EXYNOS: Correct header comment in Kconfig file
ARM: EXYNOS: Use generic cpufreq driver for Exynos5422/5800
ARM: EXYNOS: Use generic cpufreq driver for Exynos5420
ARM: s3c64xx: use "depends on" instead of "if" after prompt
ARM: plat-samsung: use to_platform_device()
ARM: EXYNOS: Code cleanup in map.h
ARM: EXYNOS: Remove unused static mapping of CMU for exynos5
Signed-off-by: Olof Johansson <olof@lixom.net>
cpm_muram_alloc_common is called twice and both the times
spin_lock_irqsave is held.
Using GFP_KERNEL can sleep in spin_lock_irqsave context and cause
deadlock
Signed-off-by: Saurabh Sengar <saurabh.truth@gmail.com>
Signed-off-by: Scott Wood <oss@buserror.net>
as cpm_muram_alloc_common is used only in this file,
making it static
Signed-off-by: Saurabh Sengar <saurabh.truth@gmail.com>
Signed-off-by: Scott Wood <oss@buserror.net>
127 is the theoretical up boundary of QEIC number,
in fact there only be 44 qe_ic_info now.
add check to overflow for qe_ic_info
Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com>
Acked-by: Li Yang <leoyang.li@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
Some minor fixes for the RSB and SRAM controller drivers
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Merge tag 'sunxi-drivers-for-4.6' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into next/drivers
Merge "Allwinner drivers changes for 4.6" from Maxime Ripard:
Some minor fixes for the RSB and SRAM controller drivers
* tag 'sunxi-drivers-for-4.6' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux:
drivers: soc: sunxi: Fix mask generation for SRAM mapping
drivers: sunxi-rsb: fix error output type
The knav_qmss driver is currently broken when CONFIG_LPAE is
set, which is a bit surprising because I'd expect that any serious
users of this platforms would have more than 2GB of RAM and require
LPAE.
The compiler clearly warns about an incorrect use of dma_addr_t
in the debug kernel messages:
ti/knav_qmss_queue.c: In function 'knav_queue_setup_region':
ti/knav_qmss_queue.c:1025:117: warning: format '%x' expects argument of type 'unsigned int', but argument 9 has type 'dma_addr_t {aka long long unsigned int}' [-Wformat=]
ti/knav_qmss_queue.c:1025:117: warning: format '%x' expects argument of type 'unsigned int', but argument 10 has type 'dma_addr_t {aka long long unsigned int}' [-Wformat=]
ti/knav_qmss_queue.c: In function 'knav_queue_setup_link_ram':
ti/knav_qmss_queue.c:1175:118: warning: format '%x' expects argument of type 'unsigned int', but argument 4 has type 'dma_addr_t {aka long long unsigned int}' [-Wformat=]
This patch changes all the debugging output to use the correct
%pad format string that works with both 32-bit and 64-bit dma_addr_t.
As the variable naming is somewhat confusing here, I also change
all *_phys names to *_dma when they refer to bus addresses that
are used for DMA rather than a physical memory address as seen from
the CPU. This is particularly important on keystone, because the
two things are not the same there.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Get some build coverage of Exynos PMU driver. It depends on
asm/cputype.h so its compilation is limited to ARM architectures.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
This patch moves Exynos PMU driver implementation from "arm/mach-exynos"
to "drivers/soc/samsung". This driver is mainly used for setting misc
bits of register from PMU IP of Exynos SoC which will be required to
configure before Suspend/Resume. Currently all these settings are done
in "arch/arm/mach-exynos/pmu.c" but moving ahead for ARM64 based SoC
support, there is a need of this PMU driver in driver/* folder.
This driver uses existing DT binding information and there should
be no functionality change in the supported platforms.
Signed-off-by: Amit Daniel Kachhap <amitdanielk@gmail.com>
[tested on Peach-Pi (Exynos5880)]
Signed-off-by: Pankaj Dubey <pankaj.dubey@samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
[for testing on Trats2 (Exynos4412) and Odroid XU3 (Exynos5422)]
Tested-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
[k.kozlowski: Rebased, add necessary infrastructure for building and
selecting drivers/soc because original patchset was on top of movement
SROMc to drivers/soc]
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
If we fail to probe the driver, we should not directly break
from the for_each_available_child_of_node since it calls of_node_get
while iterating. This patch add of_node_put to fix the unbalanced
call pair.
Fixes: 7c696693a4 ("soc: rockchip: power-domain: Add power domain driver")
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
With CONFIG_PM enabled do not call genpd->power_on manually as this
will cause the regulators being turned on once in SCPSYS probe and
then again when the genpd core turns on the domains. Instead, call
genpd->power_on only with CONFIG_PM disabled and tell the genpd core
that the domains are disabled when registered.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Tested-by: Daniel Kurtz <djkurtz@chromium.org>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
GENMASK is inclusive on both ends, therefor one has to be
subtracted from the width.
Also fixes the mask for debug output.
Signed-off-by: Jens Kuske <jenskuske@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
SCPSYS can't be built as module. Use builtin_platform_driver instead.
For this probe must not be __init and the data accessed can't be
__initconst. Remove this macros. To make the impact as small as possible,
fold scp_domain_data into scp_domain via a pointer.
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Arnd Bergmann <arnd@arndb.de>
Reported-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
Tested-by: Daniel Kurtz <djkurtz@chromium.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Since STAUPD interrupts aren't handled on mt8173, disable watchdog timeout
monitor of STAUPD to avoid WDT_INT triggered by STAUPD.
Signed-off-by: Henry Chen <henryc.chen@mediatek.com>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Sometimes PMIC is too busy to send data in time to cause pmic wrap timeout,
because pmic wrap is waiting for FSM_VLDCLR after finishing WACS2_CMD. It
just return error when issue happened, so the state machine will stay on
FSM_VLDCLR state when data send back later by PMIC and timeout again in next
time because pmic wrap waiting for FSM_IDLE state at the beginning of the
read/write function.
Clear the vldclr when timeout if state machine stay on FSM_VLDCLR.
Signed-off-by: Henry Chen <henryc.chen@mediatek.com>
Tested-by: Ricky Liang <jcliang@chromium.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
As we want gpio_chip .get() calls to be able to return negative
error codes and propagate to drivers, we need to go over all
drivers and make sure their return values are clamped to [0,1].
We do this by using the ret = !!(val) design pattern.
Cc: Anatolij Gustschin <agust@denx.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This driver is modified to support RK3368 SoC.
Signed-off-by: zhangqing <zhangqing@rock-chips.com>
Reviewed-by: Caesar Wang <wxt@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Here's a single-SoC topic branch that we've staged separately. Mainly
because it was hard to sort the branch contents in a way that fit our
existing branches due to some refactorings.
The code has been in -next for quite a while, but we staged it in arm-soc
a bit late, which is why we've kept it separate from the other updates
and are sending it separately here.
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Merge tag 'armsoc-tegra' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC support for Tegra platforms from Olof Johansson:
"Here's a single-SoC topic branch that we've staged separately. Mainly
because it was hard to sort the branch contents in a way that fit our
existing branches due to some refactorings.
The code has been in -next for quite a while, but we staged it in
arm-soc a bit late, which is why we've kept it separate from the other
updates and are sending it separately here"
* tag 'armsoc-tegra' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
arm64: tegra: Add NVIDIA Jetson TX1 Developer Kit support
arm64: tegra: Add NVIDIA P2597 I/O board support
arm64: tegra: Add NVIDIA Jetson TX1 support
arm64: tegra: Add NVIDIA P2571 board support
arm64: tegra: Add NVIDIA P2371 board support
arm64: tegra: Add NVIDIA P2595 I/O board support
arm64: tegra: Add NVIDIA P2530 main board support
arm64: tegra: Add Tegra210 support
arm64: tegra: Add NVIDIA Tegra132 Norrin support
arm64: tegra: Add Tegra132 support
ARM: tegra: select USB_ULPI from EHCI rather than platform
ARM: tegra: Ensure entire dcache is flushed on entering LP0/1
amba: Hide TEGRA_AHB symbol
soc/tegra: Add Tegra210 support
soc/tegra: Provide per-SoC Kconfig symbols
Zhao Qiang
Vaishali Thakkar
Arnd Bergmann
Jon Hunter
Bjorn Andersson
Stephen Boyd
Henry Chen
Elaine Zhang
Vince Hsu
Linus Torvalds
Olof Johansson
Krzysztof Kozlowski
Thierry Reding
Geert Uytterhoeven
Sergei Shtylyov
Ben Dooks
Florian Fainelli
Rafael J. Wysocki
John Crispin
Jisheng Zhang
Justin Chen
James Liao
Masahiro Yamada
Shawn Lin
Linus Walleij
Bjorn Andersson
Lina Iyer
Saurabh Sengar
Pankaj Dubey
Sascha Hauer
Jens Kuske
Matthias Brugger