The PSCI checker suspend_test_thread() function (ie executed for the
suspend test) requires an on-stack timer to carry out the test it
executes; it sets it up through the setup_timer_on_stack() API.
setup_timer_on_stack() requires its counterpart destroy_timer_on_stack()
to be called when the timer is disposed of but the PSCI checker code is
currently missing that call, leaving the timer object in an incosistent
state when the PSCI checker stops the thread executing the suspend
test.
Add the missing destroy_timer_on_stack() call to fix the omission.
Fixes: ea8b1c4a60 ("drivers: psci: PSCI checker module")
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reported-by: Kees Cook <keescook@chromium.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- add mt7622 support to pwrap
- test build all mediatek soc drivers
- fix compiler issues
- clean up Kconfig description
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Merge tag 'v4.14-next-soc' of https://github.com/mbgg/linux-mediatek into next/drivers
Pull "Mediatek: soc driver updates for v4.15" from Matthias Brugger:
- add 32 bit read/write support to pwrap
- add mt7622 support to pwrap
- test build all mediatek soc drivers
- fix compiler issues
- clean up Kconfig description
* tag 'v4.14-next-soc' of https://github.com/mbgg/linux-mediatek:
soc: mediatek: pwrap: fix fatal compiler error
soc: mediatek: pwrap: fix compiler errors
arm64: mediatek: cleanup message for platform selection
soc: Allow test-building of MediaTek drivers
soc: mediatek: place Kconfig for all SoC drivers under menu
soc: mediatek: pwrap: add support for MT7622 SoC
soc: mediatek: pwrap: add common way for setup CS timing extenstion
soc: mediatek: pwrap: add MediaTek MT6380 as one slave of pwrap
soc: mediatek: pwrap: refactor pwrap_init for the various PMIC types
soc: mediatek: pwrap: add pwrap_write32 for writing in 32-bit mode
soc: mediatek: pwrap: add pwrap_read32 for reading in 32-bit mode
dt-bindings: arm: mediatek: add MT7622 string to the PMIC wrapper doc
ARM: mediatek: Cocci spatch "of_table"
soc: mediatek: pwrap: fixup warnings from coding style
- add SoC ids for the sama5d2 SiPs
- Improve the AT91 maintainers entry
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Merge tag 'at91-ab-4.15-soc' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/abelloni/linux into next/drivers
Pull "soc for 4.15" from Alexandre Belloni:
- add SoC ids for the sama5d2 SiPs
- Improve the AT91 maintainers entry
* tag 'at91-ab-4.15-soc' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
MAINTAINERS: Add SoC drivers to AT91 entry
drivers: soc: atmel: Add basic support for new sama5d2 SiPs
- add SoC info driver for 32-bit Amlogic SoCs
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Merge tag 'amlogic-drivers' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into next/drivers
Pull "Amlogic drivers for v4.15" from Kevin Hilman:
- add SoC info driver for 32-bit Amlogic SoCs
* tag 'amlogic-drivers' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
soc: amlogic: Add Meson6/Meson8/Meson8b/Meson8m2 SoC Information driver
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Merge tag 'keystone_soc_drivers_4.15' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone into next/drivers
Pull "Keystone SOC for 4.15" from Santosh Shilimkar
* tag 'keystone_soc_drivers_4.15' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone:
ti_sci: Use %pS printk format for direct addresses
(second part), please pull the following:
- Markus updates the Broadcom STB DPFE driver to avoid loading the firmware when
unnecessary to accomodate for specific platform restrictions
- Florian adds support for the Broadcom Hurricane 2 SoC iProc PLL clock needed
to get the proper CPU clock frequency
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Merge tag 'arm-soc/for-4.15/drivers-part2' of http://github.com/Broadcom/stblinux into next/drivers
Pull "Broadcom drivers changes for 4.15 (part 2)" from Florian Fainelli:
This pull request contains Broadcom ARM/ARM64/MIPS SoCs changes for 4.15
(second part), please pull the following:
- Markus updates the Broadcom STB DPFE driver to avoid loading the firmware when
unnecessary to accomodate for specific platform restrictions
- Florian adds support for the Broadcom Hurricane 2 SoC iProc PLL clock needed
to get the proper CPU clock frequency
* tag 'arm-soc/for-4.15/drivers-part2' of http://github.com/Broadcom/stblinux:
clk: bcm: Add Broadcom Hurricane 2 clock support
memory: brcmstb: dpfe: skip downloading firmware when possible
memory: brcmstb: dpfe: introduce is_dcpu_enabled()
This contains the Tegra186 BPMP thermal driver. It is used to monitor
and access several thermal sensors found in the SoC.
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Merge tag 'tegra-for-4.15-thermal' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers
Pull "thermal: tegra: Changes for v4.15-rc1" from Thierry Reding:
This contains the Tegra186 BPMP thermal driver. It is used to monitor
and access several thermal sensors found in the SoC.
* tag 'tegra-for-4.15-thermal' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
thermal: Add Tegra BPMP thermal sensor driver
dt-bindings: Add bindings for nvidia,tegra186-bpmp-thermal
dt-bindings: clock: tegra: Add sor1_out clock
Contains a fix to the generic power domain driver to properly report
errors propagated from BPMP.
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Merge tag 'tegra-for-4.15-soc' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers
Pull "soc/tegra: Changes for v4.15-rc1" from Thierry Reding:
Contains a fix to the generic power domain driver to properly report
errors propagated from BPMP.
* tag 'tegra-for-4.15-soc' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
soc/tegra: bpmp: Check BPMP response return code
This contains a couple of (non-critical) fixes and improvements for the
BPMP driver as well as support for debugfs.
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Merge tag 'tegra-for-4.15-firmware' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers
Pull "firmware: tegra: Changes for v4.15-rc1" from Thierry Reding:
This contains a couple of (non-critical) fixes and improvements for the
BPMP driver as well as support for debugfs.
* tag 'tegra-for-4.15-firmware' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
firmware: tegra: Add BPMP debugfs support
firmware: tegra: Add stubs when BPMP not enabled
firmware: tegra: Expose tegra_bpmp_mrq_return()
firmware: tegra: Propagate error code to caller
The Qualcomm remote file system protocol is used by certain remoteprocs,
in particular the modem, to read and write persistent storage in
platforms where only the application CPU has physical storage access.
The protocol is based on a set of QMI-encoded control-messages and a
shared memory buffer for exchaning the data. This driver implements the
latter, providing the user space service access to the carved out chunk
of memory.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
This adds the binding for describing shared memory used to exchange file
system blocks between the RMTFS client and service. A client for this is
generally found in the modem firmware and is used for accessing
persistent storage for things such as radio calibration.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
In some cases drivers referencing a reserved-memory region might want to
remap the entire region, but when defining the reserved-memory by "size"
the client driver has no means to know the associated base address of
the reserved memory region.
This patch adds an accessor for such drivers to acquire a handle to
their associated reserved-memory for this purpose.
A complicating factor for the implementation is that the reserved_mem
objects are created from the flattened DeviceTree, as such we can't
use the device_node address for comparison. Fortunately the name of the
node will be used as "name" of the reserved_mem and will be used when
building the full_name, so we can compare the "name" with the basename
of the full_name to find the match.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
By iterating over all /reserved-memory child nodes and match each one to
a list of compatibles that we want to treat specially, we can easily
extend the list of compatibles to handle - without having to resort to
of_platform_populate() that would create unnecessary platform_devices.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
When adding the MT6380 compatible, the sentinel for of_device_id was
deleted, which leades to the following compiler error:
FATAL: drivers/soc/mediatek/mtk-pmic-wrap: struct of_device_id is not terminated with a NULL entry!
Fix this by adding the sentinel again.
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
When compiling using sparse, we got the following error:
drivers/soc/mediatek/mtk-pmic-wrap.c:686:25: error: dubious one-bit signed bitfield
Changing the data type to unsigned fixes this.
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
This adds the DPAA QBMan support for ARM SoCs and a few minor fixes/updates.
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Merge tag 'soc-fsl-for-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux into next/drivers
Pull "FSL/NXP ARM SoC drivers updates for 4.14" from Li Yang:
This adds the DPAA QBMan support for ARM SoCs and a few minor fixes/updates.
This pull request includes updates to the QMAN/BMAN drivers to make
them work on the arm/arm64 architectures in addition to the power
architecture and a few minor update/bug-fix to the soc/fsl drivers.
We got the Reviewed-by from Catalin on the ARM architecture side.
DPAA (Data Path Acceleration Architecture) is a set of hardware
components used on some FSL/NXP QorIQ Networking SoCs, it provides the
infrastructure to support simplified sharing of networking interfaces
and accelerators by multiple CPU cores, and the accelerators
themselves. The QMan(Queue Manager) and BMan(Buffer Manager) are
infrastructural components within the DPAA framework. They are used to
manage queues and buffers for various I/O interfaces, hardware
accelerators.
* tag 'soc-fsl-for-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux:
soc/fsl/qbman: Enable FSL_LAYERSCAPE config on ARM
soc/fsl/qbman: Add missing headers on ARM
soc/fsl/qbman: different register offsets on ARM
soc/fsl/qbman: add QMAN_REV32
soc/fsl/qbman: Rework portal mapping calls for ARM/PPC
soc/fsl/qbman: Fix ARM32 typo
soc/fsl/qbman: Drop L1_CACHE_BYTES compile time check
soc/fsl/qbman: Drop set/clear_bits usage
dt-bindings: soc/fsl: Update reserved memory binding for QBMan
soc/fsl/qbman: Use shared-dma-pool for QMan private memory allocations
soc/fsl/qbman: Use shared-dma-pool for BMan private memory allocations
soc/fsl/qbman: Add common routine for QBMan private allocations
soc/fsl/guts: Add compatible string for LS1088
soc/fsl/qman: Sleep instead of stuck hacking jiffies
- add ARC AX10x support,
merged from a separate branch that is also included in the ARC tree
- add Stratix10 support via socfpga
- unify socfpga, stm32, sunxi, and zx2967 into simple-reset driver
- add Meson GX reset level control and remove an unneeded check
- add Uniphier PXs3 and ethernet reset controls
- add MT7622 reset control dt-bindings header
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Merge tag 'reset-for-4.15' of git://git.pengutronix.de/git/pza/linux into next/drivers
Pull "Reset controller changes for v4.15" from Philipp Zabel:
- add ARC AX10x support,
merged from a separate branch that is also included in the ARC tree
- add Stratix10 support via socfpga
- unify socfpga, stm32, sunxi, and zx2967 into simple-reset driver
- add Meson GX reset level control and remove an unneeded check
- add Uniphier PXs3 and ethernet reset controls
- add MT7622 reset control dt-bindings header
* tag 'reset-for-4.15' of git://git.pengutronix.de/git/pza/linux:
reset: zx2967: use the reset-simple driver
reset: stm32: use the reset-simple driver
reset: socfpga: use the reset-simple driver
reset: sunxi: use reset-simple driver
reset: add reset-simple to unify socfpga, stm32, sunxi, and zx2967
reset: meson: remove unneeded check in meson_reset_reset
reset: meson: add level reset support for GX SoC family
reset: uniphier: add PXs3 reset data
reset: mediatek: add reset controller dt-bindings required header for MT7622 SoC
reset: socfpga: build the reset-socfpga for Stratix10 SOC
reset: uniphier: add ethernet reset control support
reset: socfpga: fix for 64-bit compilation
ARC: reset: introduce AXS10x reset driver
* get rid of unused field in platform data structure.
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Merge tag 'gpmc-omap-for-v4.15' of https://github.com/rogerq/linux into next/drivers
Pull "OMAP-GPMC: driver updates for v4.15" from Roger Quadros:
* get rid of unused field in platform data structure.
* tag 'gpmc-omap-for-v4.15' of https://github.com/rogerq/linux:
memory: omap-gpmc: Drop gpmc_status
* Add SCM firmware APIs for download mode and secure IO service
* Add SMEM support for cached entries
* Add SMEM support for global partition, dynamic item limit, and more hosts
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Merge tag 'qcom-drivers-for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into next/drivers
Pull "Qualcomm ARM Based Driver Updates for v4.15" from Andy Gross:
* Add SCM firmware APIs for download mode and secure IO service
* Add SMEM support for cached entries
* Add SMEM support for global partition, dynamic item limit, and more hosts
* tag 'qcom-drivers-for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
firmware: qcom: scm: Expose download-mode control
firmware: qcom: scm: Expose secure IO service
soc: qcom: smem: Increase the number of hosts
soc: qcom: smem: Support dynamic item limit
soc: qcom: smem: Support global partition
soc: qcom: smem: Read version from the smem header
soc: qcom: smem: Use le32_to_cpu for comparison
soc: qcom: smem: Support getting cached entries
soc: qcom: smem: Rename "uncached" accessors
Remove of Exynos4212 related dead code (no more support for this SoC).
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Merge tag 'samsung-drivers-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/drivers
Pull "Samsung soc drivers changes for v4.15" from Krzysztof Kozłowski:
Remove of Exynos4212 related dead code (no more support for this SoC).
* tag 'samsung-drivers-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
soc: samsung: Remove Exynos4212 related dead code
1. Fixes to get rid of sparse warnings
2. Use of FIELD_GET and GENMASK for better subfields handling
3. Make mbox_free_channels device-managed helping in removing unnecessary code
4. Various other cleanups to simplify and improve code readability
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Merge tag 'scpi-updates-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into next/drivers
Pull "ARM SCPI updates/cleanups for v4.15" from Sudeep Holla:
1. Fixes to get rid of sparse warnings
2. Use of FIELD_GET and GENMASK for better subfields handling
3. Make mbox_free_channels device-managed helping in removing unnecessary code
4. Various other cleanups to simplify and improve code readability
* tag 'scpi-updates-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
firmware: arm_scpi: silence sparse warnings
firmware: arm_scpi: remove all single element structures
firmware: arm_scpi: drop unnecessary type cast to scpi_shared_mem
firmware: arm_scpi: improve struct sensor_value
firmware: arm_scpi: improve handling of protocol and firmware version subfields
firmware: arm_scpi: improve struct dvfs_info to make code better readable
firmware: arm_scpi: remove scpi_remove
firmware: arm_scpi: make freeing mbox channels device-managed
firmware: arm_scpi: pre-populate dvfs info in scpi_probe
firmware: arm_scpi: remove two unneeded devm_kfree's in scpi_remove
firmware: arm_scpi: remove usage of drvdata and don't reset scpi_info to null
Add basic support for R-Car V3M (R8A77970) SoC.
Sergei Shtylyov says:
* Add support for R-Car V3M (R8A77970) SoC power areas to the R-Car SYSC
driver
* Add support for identifying the R-Car V3M (R8A77970) SoC
* Add support for R-Car V3M (R8A77970) to the R-Car RST driver -- this
driver is needed for the clock driver to work
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Merge tag 'renesas-drivers-for-v4.15' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/drivers
Pull "Renesas ARM Based SoC Drivers Updates for v4.15" from Simon Horman:
Add basic support for R-Car V3M (R8A77970) SoC.
Sergei Shtylyov says:
* Add support for R-Car V3M (R8A77970) SoC power areas to the R-Car SYSC
driver
* Add support for identifying the R-Car V3M (R8A77970) SoC
* Add support for R-Car V3M (R8A77970) to the R-Car RST driver -- this
driver is needed for the clock driver to work
* tag 'renesas-drivers-for-v4.15' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
soc: renesas: rcar-sysc: add R8A77970 support
soc: renesas: identify R-Car V3M
soc: renesas: rcar-rst: add R8A77970 support
the following:
- Markus adds support for the Broadcom STB DDR PHY frontend which supports
dynamic firmware loading and offers the ability to respond with DRAM refresh
rates. He also adds a proper documentation binding document for that
peripheral
- Brian adds support for S2/S3/S5 system suspend/resume modes on ARM-based SoCs
which is not new but had been lingering for a long time.
- Justin adds S2/S3 system suspend/resume modes on MIPS-based SoCs which is a
bit new newer and builds on top of the ARM-based support.
- Florian adds Device Tree binding documents for both ARM and MIPS based systems
describing the necessary nodes for S2/S3/S5 on these SoCs.
(This pull request somehow missed the 4.14 merge window and is now being sent again
for 4.15 along with build fixes from Arnd).
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Merge tag 'arm-soc/for-4.15/drivers' of http://github.com/Broadcom/stblinux into next/drivers
Pull "Broadcom drivers changes for 4.15" from Florian Fainelli:
This pull requests contains Broadcom SoCs drivers updates for 4.15, please pull
the following:
- Markus adds support for the Broadcom STB DDR PHY frontend which supports
dynamic firmware loading and offers the ability to respond with DRAM refresh
rates. He also adds a proper documentation binding document for that
peripheral
- Brian adds support for S2/S3/S5 system suspend/resume modes on ARM-based SoCs
which is not new but had been lingering for a long time.
- Justin adds S2/S3 system suspend/resume modes on MIPS-based SoCs which is a
bit new newer and builds on top of the ARM-based support.
- Florian adds Device Tree binding documents for both ARM and MIPS based systems
describing the necessary nodes for S2/S3/S5 on these SoCs.
(This pull request somehow missed the 4.14 merge window and is now being sent again
for 4.15 along with build fixes from Arnd).
* tag 'arm-soc/for-4.15/drivers' of http://github.com/Broadcom/stblinux:
soc bcm: brcmstb: Add support for S2/S3/S5 suspend states (MIPS)
dt-bindings: Document MIPS Broadcom STB power management nodes
soc: bcm: brcmstb: Add support for S2/S3/S5 suspend states (ARM)
dt-bindings: ARM: brcmstb: Update Broadcom STB Power Management binding
memory: brcmstb: Add driver for DPFE
dt-bindings: Add bindings for Broadcom STB DRAM Sensors
The latest kernel tree already can support more MediaTek platforms such as
MT2712 and MT7622, so additional descriptions for those platforms are added
and certain cleanups are also being made here.
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
The COMPILE_TEST alternative dependency allows test-building the
drivers but only as long as the build system itself will look into
the directory where the drivers reside.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: Sean Wang <sean.wang@mediatek.com>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Acked-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Add cleanup for placing all Kconfig for all MediaTek SoC drivers under
the independent menu as other SoCs vendor usually did. Since the menu
would be shown depending on "ARCH_MEDIATEK || COMPILE_TEST" selected and
MTK_PMIC_WRAP is still safe compiling with the case of "COMPILE_TEST"
only, the superfluous dependency for those items under the menu also is
also being removed for the sake of simplicity.
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Add the registers, callbacks and data structures required to make the
PMIC wrapper work on MT7622.
Signed-off-by: Chenglin Xu <chenglin.xu@mediatek.com>
Signed-off-by: Chen Zhong <chen.zhong@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Multiple platforms would always use their own way handling CS timing
extension on the bus which leads to a little bit code duplication.
Therefore, the patch groups the similar logic to handle CS timing
extension into the common function which allows the following SoCs
have more reusability for configing CS timing.
Signed-off-by: Chenglin Xu <chenglin.xu@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Add MediaTek MT6380 regulator becoming one of PMIC wrapper slave
and also add extra new regmap_config of 32-bit mode for MT6380
since old regmap_config of 16-bit mode can't be fit into the need.
Signed-off-by: Chenglin Xu <chenglin.xu@mediatek.com>
Signed-off-by: Chen Zhong <chen.zhong@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
pwrap initialization is highly associated with the base SoC and the
target PMICs, so slight refactorization is made here for allowing
pwrap_init to run on those PMICs with different capability from the
previous MediaTek PMICs and the determination for the enablement of the
pwrap capability depending on PMIC type. Apart from this, the patch
makes the driver more extensible especially when more PMICs join into
the pwrap driver.
Signed-off-by: Chenglin Xu <chenglin.xu@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Some regulators such as MediaTek MT6380 also has to be written in
32-bit mode. So the patch adds pwrap_write32, rename old pwrap_write
into pwrap_write16 and one additional function pointer is introduced
for increasing flexibility allowing the determination which mode is
used by the pwrap slave detection through device tree.
Signed-off-by: Chenglin Xu <chenglin.xu@mediatek.com>
Signed-off-by: Chen Zhong <chen.zhong@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Some regulators such as MediaTek MT6380 has to be read in 32-bit mode.
So the patch adds pwrap_read32, rename old pwrap_read into pwrap_read16
and one function pointer is introduced for increasing flexibility allowing
the determination which mode is used by the pwrap slave detection through
device tree.
Signed-off-by: Chenglin Xu <chenglin.xu@mediatek.com>
Signed-off-by: Chen Zhong <chen.zhong@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Add checks for the return code in BPMP response messages.
Signed-off-by: Timo Alho <talho@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
On Tegra186, the BPMP (Boot and Power Management Processor) exposes an
interface to thermal sensors on the system-on-chip. This driver
implements access to the interface. It supports reading the
temperature, setting trip points and receiving notification of a
tripped trip point.
Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Acked-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Tegra power management firmware running on the co-processor (BPMP)
implements a simple pseudo file system akin to debugfs. The file
system can be used for debugging purposes to examine and change the
status of selected resources controlled by the firmware (such as
clocks, resets, voltages, powergates, ...).
Add support to "mirror" the firmware's file system to debugfs. At
boot, query firmware for a list of all possible files and create
corresponding debugfs entries. Read/write of individual files is
implemented by sending a Message ReQuest (MRQ) that passes the full
file path name and data to firmware via DRAM.
Signed-off-by: Timo Alho <talho@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Add static inline stubs to bpmp.h when CONFIG_BPMP is not enabled.
This allows building BPMP-related drivers with COMPILE_TEST.
Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Expose and export the tegra_bpmp_mrq_return() function for use by
drivers outside the core BPMP driver. This function is used to reply to
messages originating from the BPMP, which is required in the thermal
driver.
Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
In Tegra186, the BPMP (Boot and Power Management Processor) implements
an interface that is used to read system temperatures, including CPU
cluster and GPU temperatures. This binding describes the thermal sensor
that is exposed by BPMP.
Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
The reset-simple driver can be used without changes.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Alexandru Gagniuc <alex.g@adaptrum.com>
The reset-simple driver can be used without changes.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Gabriel Fernandez <gabriel.fernandez@st.com>
Add reset line status readback, inverted status support, and socfpga
device tree quirks to the simple reset driver, and use it to replace
the socfpga driver.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Use the newly created copies in the reset-simple driver to replace the
sunxi platform driver code and reset operations. The separate sunxi
driver still remains to register the early reset controllers, but it
reuses the reset operations in reset-simple.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Alexandru Gagniuc <alex.g@adaptrum.com>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Copy reusable parts from the sunxi driver, to add a driver for simple
reset controllers with reset lines that can be controlled by toggling
bits in exclusive, contiguous register ranges using read-modify-write
cycles under a spinlock.
The following patches will replace compatible reset drivers with
reset-simple, extending it where necessary.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Alexandru Gagniuc <alex.g@adaptrum.com>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Lorenzo Pieralisi