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In preparation for support of Airoha AN7583, generalize
pins/group/function/confs handling and move them in match_data.
Inner function will base the values on the pinctrl priv struct instead of
relying on hardcoded struct.
This permits to use different PIN data while keeping the same logic.
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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When a GPIO RIF configuration is in semaphore mode, and the semaphore
hasn't been taken before configuring the GPIO, the write operations
silently fail.
To avoid a silent fail when applying a pinctrl, if the pins that are
being configured are in semaphore mode, take the semaphore. Note that
there is no proper release of the RIF semaphore yet for pinctrl.
Signed-off-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Add support for the 5 rk3506 GPIO banks.
Signed-off-by: Ye Zhang <ye.zhang@rock-chips.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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https://git.kernel.org/pub/scm/linux/kernel/git/pinctrl/samsung into devel
Samsung pinctrl drivers changes for v6.19
Add pin controller support for Samsung Exynos8890 and Axis ARTPEC-9
SoCs. The latter is a newer design of Artpec SoCs made/designed by
Samsung, thus it shares most of the core blocks with Samsung Exynos,
including the pinctrl.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Rev.0.81 of the R-Car V4M Series Hardware User’s Manual removed the
"STPWT_EXTFXR" signal from the pin control register tables. As this is
further unused in the pin control driver, it can be removed safely.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Link: https://patch.msgid.link/f849fa3b9b516e9dd04b45462b69f52225259480.1762274384.git.geert+renesas@glider.be
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Rev.0.71 of the R-Car V4M Series Hardware User’s Manual removed the
"CC5_OSCOUT" signal from the pin control register tables. As this is
further unused in the pin control driver, it can be removed safely.
Signed-off-by: Huy Bui <huy.bui.wm@renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Link: https://patch.msgid.link/895bb560467309706931d14aeea0e063ad0e86eb.1762274384.git.geert+renesas@glider.be
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Rev.1.30 of the R-Car V4H Series Hardware User’s Manual removed the
"STPWT_EXTFXR" signal from the pin control register tables. As this is
further unused in the pin control driver, it can be removed safely.
Signed-off-by: Huy Bui <huy.bui.wm@renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Link: https://patch.msgid.link/f6cfdbbc024d85e87583a1d57ea01582632f1216.1762274384.git.geert+renesas@glider.be
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Rev.1.30 of the R-Car V4H Series Hardware User’s Manual removed the
"CC5_OSCOUT" signal from the pin control register tables. As this is
further unused in the pin control driver, it can be removed safely.
Signed-off-by: Huy Bui <huy.bui.wm@renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Link: https://patch.msgid.link/77f9efe5388f2801ace945b7793d4823618eeec8.1762274384.git.geert+renesas@glider.be
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Rev.1.30 of the R-Car V4H Series Hardware User’s Manual removed the
"AVB[01]_MII_*" signals from the pin control register tables. As these
are further unused in the pin control driver, they can be removed
safely.
Signed-off-by: Thanh Quan <thanh.quan.xn@renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Link: https://patch.msgid.link/58662f50136280532bcc8bbe94741d82425bd118.1762274384.git.geert+renesas@glider.be
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The driver calls fwnode_get_named_child_node() which takes a reference
on the child node, but never releases it, which causes a reference leak.
Fix by using devm_add_action_or_reset() to automatically release the
reference when the device is removed.
Fixes: d5282a539297 ("pinctrl: cs42l43: Add support for the cs42l43")
Suggested-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Haotian Zhang <vulab@iscas.ac.cn>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into devel
pinctrl: renesas: Updates for v6.19
- Fix interrupt configuration and port mode after resume on RZ/G2L
family SoCs,
- Miscellaneous fixes and improvements.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Replace custom macro with the recently defined INTEL_GPP().
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Replace custom macro with the recently defined INTEL_GPP().
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Replace custom macro with the recently defined INTEL_GPP().
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Replace custom macro with the recently defined INTEL_GPP().
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Replace custom macro with the recently defined INTEL_GPP().
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Replace custom macro with the recently defined INTEL_GPP().
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Replace custom macro with the recently defined INTEL_GPP().
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Replace custom macro with the recently defined INTEL_GPP().
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Replace custom macro with the recently defined INTEL_GPP().
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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A new macro will be used for the further refactoring of the drivers.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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This exports and calls the pinctrl_provide_dummies() function from
the CIX SKY1 driver.
The reasons are explained in a comment in the commit, in essence the
two pin controllers need to go through explicit state transitions
default->sleep->default despite they only handle one single state
each.
Reviewed-by: Hans Zhang <hans.zhang@cixtech.com>
Reviewed-by: Fugang Duan <fugang.duan@cixtech.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Unify error messages that might appear during probe phase by
switching to use dev_err_probe().
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Unify error messages that might appear during probe phase by
switching to use dev_err_probe().
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Unify error messages that might appear during probe phase by
switching to use dev_err_probe().
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Unify error messages that might appear during probe phase by
switching to use dev_err_probe().
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Unify error messages that might appear during probe phase by
switching to use dev_err_probe().
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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With LLVM prior to 17.0.0:
drivers/pinctrl/pinctrl-mpfs-iomux0.c:89:2: error: initializer element is not a compile-time constant
MPFS_IOMUX0_GROUP(spi0),
^~~~~~~~~~~~~~~~~~~~~~~
drivers/pinctrl/pinctrl-mpfs-iomux0.c:79:10: note: expanded from macro 'MPFS_IOMUX0_GROUP'
.mask = BIT(mpfs_iomux0_##_name##_pins[0]), \
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/vdso/bits.h:7:19: note: expanded from macro 'BIT'
\#define BIT(nr) (UL(1) << (nr))
^~~~~~~~~~~~~~~
This is a constant, but LLVM prior to a change from Nick to match the
gcc behaviour did not allow this. The macro isn't really all that much
of an idiot-proofing, just change it to the same sort that's in the
gpio2 driver, where a second argument provides the mask/setting.
Reported-by: Nathan Chancellor <nathan@kernel.org>
Link: https://github.com/ClangBuiltLinux/linux/issues/2140
Fixes: 46397274da22 ("pinctrl: add polarfire soc iomux0 pinmux driver")
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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In stm32_pctl_probe(), hwspin_lock_request_specific() is called to
request a hwspinlock, but the acquired lock is not freed on multiple
error paths after this call. This causes resource leakage when the
function fails to initialize properly.
Use devm_hwspin_lock_request_specific() instead of
hwspin_lock_request_specific() to automatically manage the hwspinlock
resource lifecycle.
Fixes: 97cfb6cd34f2 ("pinctrl: stm32: protect configuration registers with a hwspinlock")
Signed-off-by: Haotian Zhang <vulab@iscas.ac.cn>
Reviewed-by: Antonio Borneo <antonio.borneo@foss.st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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The probe function does not guarantee that chip registers are in their
default state. Thus using reg_defaults for regmap is incorrect.
For example, the chip may have already been configured by the bootloader
before the Linux driver loads, or the mcp might not have a reset at all
and not reset a state between reboots.
In such cases, using reg_defaults leads to the cache values diverging
from the actual registers values in the chip.
Previous attempts to fix consequences of this issue were made in
'commit 3ede3f8b4b4b ("pinctrl: mcp23s08: Reset all pins to input at
probe")', but this is insufficient. The OLAT register reset is also
required. And there's still potential for new issues arising due to cache
desynchronization of other registers.
Therefore, remove reg_defaults and provide num_reg_defaults_raw. In that
case the cache defaults being initialized from hardware.
Also switch cache type to REGCACHE_MAPLE, which is aware of (in)valid
cache entries.
And remove the force reset all pins to input at probe as it is no longer
required.
Link: https://lore.kernel.org/all/20251009132651.649099-2-bigunclemax@gmail.com/
Suggested-by: Mike Looijmans <mike.looijmans@topic.nl>
Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Suggested-by: Sander Vanheule <sander@svanheule.net>
Signed-off-by: Maksim Kiselev <bigunclemax@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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The ->pins and ->nr_pins members are not used so delete them.
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Devices in the stm32mp2xx family include an I/O synchronization
block on each pin that is used to fine tune and improve the I/O
timing margins of high speed synchronous interfaces.
It can be configured to provide independently for each pin:
- skew rate on input direction or latch delay on output direction;
- inversion of clock signals or re-sampling of data signals.
Add support for the generic properties:
- skew-delay-input-ps;
- skew-delay-output-ps.
Add support for the property 'st,io-sync' to configure clock
inversion or data re-sampling mode.
Show the new parameters on debugfs pinconf-pins.
Enable it for the stm32mp257 pinctrl driver.
Co-developed-by: Valentin Caron <valentin.caron@foss.st.com>
Signed-off-by: Valentin Caron <valentin.caron@foss.st.com>
Co-developed-by: Fabien Dessenne <fabien.dessenne@foss.st.com>
Signed-off-by: Fabien Dessenne <fabien.dessenne@foss.st.com>
Signed-off-by: Antonio Borneo <antonio.borneo@foss.st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Change type of variable to avoid keeping the bool return value in
a variable of u32 type.
Signed-off-by: Antonio Borneo <antonio.borneo@foss.st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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There is no need to acquire a spinlock to only read a register for
debugfs reporting.
Drop such useless spinlock save and restore.
Signed-off-by: Antonio Borneo <antonio.borneo@foss.st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Use C bit-field to keep the backup of the pin status, instead of
explicitly handling the bit-field through shift and mask of a u32
container.
Signed-off-by: Antonio Borneo <antonio.borneo@foss.st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Reduce the number of parameters of the function by moving inside
the function the decoding of the field 'config'.
While there:
- change the type of 'param' to 'unsigned int' to handle the extra
values not in 'enum pin_config_param';
- change the type of 'arg' to 'u32' to avoid additional conversions
and align to 'u32' the corresponding param of __stm32_gpio_set().
Signed-off-by: Antonio Borneo <antonio.borneo@foss.st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Add the properties 'skew-delay-input-ps' and 'skew-delay-output-ps'
to the generic parameters used for parsing DT files. This allows to
specify the independent skew delay value for the two directions.
This enables drivers that use the generic pin configuration to get
the value passed through these new properties.
Signed-off-by: Antonio Borneo <antonio.borneo@foss.st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Allow a generic pinconf property to specify its argument as one of
the strings in a match list.
Convert the matching string to an integer value using the index in
the list, then keep using this value in the generic pinconf code.
Signed-off-by: Antonio Borneo <antonio.borneo@foss.st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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s/specyfying/specifying/
s/propertity/property/
Signed-off-by: Antonio Borneo <antonio.borneo@foss.st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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There are two pin-controllers on Cix Sky1 platform.
one is used under S0 state, the other is used under S0 and S5 state.
Signed-off-by: Gary Yang <gary.yang@cixtech.com>
[Dropped pinctrl_provide_dummies()]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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rzg2l_gpio_irq_set_type() and rzg2l_gpio_irqc_eoi() only call the
equivalent parent functions, replace their usage with the parent
functions and remove them.
Signed-off-by: Cosmin Tanislav <cosmin-gabriel.tanislav.xa@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20251022074100.1994447-1-cosmin-gabriel.tanislav.xa@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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On Polarfire SoC, iomux0 is responsible for routing functions to either
Multiprocessor Subsystem (MSS) IOs or to the FPGA fabric, where they
can either interface with custom RTL or be routed to the FPGA fabric's
IOs. Add a driver for it.
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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The pic64gx has a second pinmux "downstream" of the iomux0 pinmux. The
documentation for the SoC provides no name for this device, but it is
used to swap pins between either GPIO controller #2 or select other
functions, hence the "gpio2" name. Add a driver for it.
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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The rza1_mux_conf object pointed to by the mux_conf parameter of
rza1_pin_mux_single() is never modified. Make it const.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Link: https://patch.msgid.link/168e06bc57081aa3c42ff9aa2740a0a108df7d34.1761033950.git.geert+renesas@glider.be
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The pinctrl-rtd driver uses 'devm_regmap_init_mmio', which requires
'REGMAP_MMIO' to be enabled.
Without this selection, the build fails with an undefined reference:
aarch64-none-linux-gnu-ld: drivers/pinctrl/realtek/pinctrl-rtd.o: in
function rtd_pinctrl_probe': pinctrl-rtd.c:(.text+0x5a0): undefined
reference to __devm_regmap_init_mmio_clk'
Fix this by selecting 'REGMAP_MMIO' in the Kconfig.
Fixes: e99ce78030db ("pinctrl: realtek: Add common pinctrl driver for Realtek DHC RTD SoCs")
Signed-off-by: Yu-Chun Lin <eleanor.lin@realtek.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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soc/drivers
arm64: Xilinx SOC changes for 6.18
firmware:
- Add debugfs interface
- Wire versal-net compatible string
- Change SOC family detection
* tag 'zynqmp-soc-for-6.18' of https://github.com/Xilinx/linux-xlnx:
drivers: firmware: xilinx: Switch to new family code in zynqmp_pm_get_family_info()
drivers: firmware: xilinx: Add unique family code for all platforms
firmware: xilinx: Add Versal NET platform compatible string
firmware: xilinx: Add debugfs support for PM_GET_NODE_STATUS
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Add csus_mux for further use as the csus clock parent, similar to how the
cdev1 and cdev2 muxes are utilized. Additionally, constify the cdev parent
name lists to resolve checkpatch warnings.
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Semicolons after end of function braces are not needed, remove them.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/99db8c1bfb64980b54a4b5c4988c7935609133e1.1758718027.git.geert+renesas@glider.be
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Semicolons after end of function braces are unnecessary, remove them.
Signed-off-by: Cosmin Tanislav <cosmin-gabriel.tanislav.xa@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20250923174951.1136259-1-cosmin-gabriel.tanislav.xa@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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PMC restore needs unlocking the register using the PWPR register.
Fixes: ede014cd1ea6422d ("pinctrl: renesas: rzg2l: Add function pointer for PMC register write")
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20250921111557.103069-2-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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