* Introduce devm_kmemdup_array() and convert Intel pin control drivers
* Update PWM handling for the cases when it's provided by Intel pin control
* Miscellaneous fixes, updates, and cleanups
The following is an automated git shortlog grouped by driver:
baytrail:
- copy communities using devm_kmemdup_array()
- Use dedicated helpers for chained IRQ handlers
cherryview:
- use devm_kmemdup_array()
devres:
- Introduce devm_kmemdup_array()
driver core:
- Split devres APIs to device/devres.h
err.h:
- move IOMEM_ERR_PTR() to err.h
iio:
- adc: xilinx-xadc-core: use devm_kmemdup_array()
- imu: st_lsm9ds0: Replace device.h with what is needed
input:
- ipaq-micro-keys: use devm_kmemdup_array()
- sparse-keymap: use devm_kmemdup_array()
intel:
- drop repeated config dependency
- copy communities using devm_kmemdup_array()
- Fix wrong bypass assignment in intel_pinctrl_probe_pwm()
- Import PWM_LPSS namespace for devm_pwm_lpss_probe()
lynxpoint:
- Use dedicated helpers for chained IRQ handlers
MAINTAINERS:
- Add pin control and GPIO to the Intel MID record
pwm:
- lpss: Clarify the bypass member semantics in struct pwm_lpss_boardinfo
- lpss: Actually use a module namespace by defining the namespace earlier
pxa2xx:
- use devm_kmemdup_array()
tangier:
- use devm_kmemdup_array()
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Merge tag 'intel-pinctrl-v6.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pinctrl/intel into devel
intel-pinctrl for v6.15-1
* Introduce devm_kmemdup_array() and convert Intel pin control drivers
* Update PWM handling for the cases when it's provided by Intel pin control
* Miscellaneous fixes, updates, and cleanups
The following is an automated git shortlog grouped by driver:
baytrail:
- copy communities using devm_kmemdup_array()
- Use dedicated helpers for chained IRQ handlers
cherryview:
- use devm_kmemdup_array()
devres:
- Introduce devm_kmemdup_array()
driver core:
- Split devres APIs to device/devres.h
err.h:
- move IOMEM_ERR_PTR() to err.h
iio:
- adc: xilinx-xadc-core: use devm_kmemdup_array()
- imu: st_lsm9ds0: Replace device.h with what is needed
input:
- ipaq-micro-keys: use devm_kmemdup_array()
- sparse-keymap: use devm_kmemdup_array()
intel:
- drop repeated config dependency
- copy communities using devm_kmemdup_array()
- Fix wrong bypass assignment in intel_pinctrl_probe_pwm()
- Import PWM_LPSS namespace for devm_pwm_lpss_probe()
lynxpoint:
- Use dedicated helpers for chained IRQ handlers
MAINTAINERS:
- Add pin control and GPIO to the Intel MID record
pwm:
- lpss: Clarify the bypass member semantics in struct pwm_lpss_boardinfo
- lpss: Actually use a module namespace by defining the namespace earlier
pxa2xx:
- use devm_kmemdup_array()
tangier:
- use devm_kmemdup_array()
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
of_parse_phandle_with_fixed_args() requires its caller to
call into of_node_put() on the node pointer from the output
structure, but such a call is currently missing.
Call into of_node_put() to rectify that.
Fixes: b59d0e7827 ("pinctrl: Add RZ/A2 pin and gpio controller")
Signed-off-by: Fabrizio Castro <fabrizio.castro.jz@renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20250305163753.34913-5-fabrizio.castro.jz@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
of_parse_phandle_with_fixed_args() requires its caller to
call into of_node_put() on the node pointer from the output
structure, but such a call is currently missing.
Call into of_node_put() to rectify that.
Fixes: 92a9b82525 ("pinctrl: renesas: Add RZ/V2M pin and gpio controller driver")
Signed-off-by: Fabrizio Castro <fabrizio.castro.jz@renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20250305163753.34913-4-fabrizio.castro.jz@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
of_parse_phandle_with_fixed_args() requires its caller to
call into of_node_put() on the node pointer from the output
structure, but such a call is currently missing.
Call into of_node_put() to rectify that.
Fixes: c4c4637eb5 ("pinctrl: renesas: Add RZ/G2L pin and gpio controller driver")
Signed-off-by: Fabrizio Castro <fabrizio.castro.jz@renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20250305163753.34913-3-fabrizio.castro.jz@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
BCM21664 is another chip from the Kona line of Broadcom SoCs, and
its pinmux shares a lot of similarities with the BCM281xx pinmux.
Add support for the BCM21664 pinmux controller to the BCM281xx driver.
This also enables pinmux support for the BCM23550, which has an
identical pinmux config to the BCM21664 (hence they can share a
single compatible, brcm,bcm21664-pinctrl).
Signed-off-by: Artur Weber <aweber.kernel@gmail.com>
Link: https://lore.kernel.org/20250303-bcm21664-pinctrl-v3-4-5f8b80e4ab51@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Introduce a new struct type, "bcm281xx_pinctrl_info", that holds
information about the pins, pin functions and regmap config for a pin
control chip. Create such a struct for the BCM218xx and pass it as
device data for the OF compatible match.
This is done in preparation for introducing additional chip types
to the driver.
Signed-off-by: Artur Weber <aweber.kernel@gmail.com>
Link: https://lore.kernel.org/20250303-bcm21664-pinctrl-v3-3-5f8b80e4ab51@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Add device tree bindings for the pin controller included in the
BCM21664 chip. The bindings are based off brcm,bcm11351-pinctrl.yaml;
both chips use the same driver, but have different pins, and the
BCM21664 has 6 alt modes instead of 4.
Signed-off-by: Artur Weber <aweber.kernel@gmail.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/20250303-bcm21664-pinctrl-v3-1-5f8b80e4ab51@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The register of pin input attribute means the opposite.
value of reigster meaning is 1 for input and 0 for output.
So fix it.
Fixes: 6e9be3abb7 ("pinctrl: Add driver support for Amlogic SoCs")
Signed-off-by: Xianwei Zhao <xianwei.zhao@amlogic.com>
Link: https://lore.kernel.org/20250303-fix-a4-pinctl-v1-1-6579888b4272@amlogic.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Since commit 9d846b1aeb ("gpiolib: check the return value of
gpio_chip::get_direction()") we check the return value of the
get_direction() callback as per its API contract. This driver returns
-EINVAL if the pin in question is set to one of the alternative
(non-GPIO) functions. This isn't really an error that should be
communicated to GPIOLIB so default to returning the "safe" value of
INPUT in this case. The GPIO subsystem does not have the notion of
"unknown" direction.
Fixes: 9d846b1aeb ("gpiolib: check the return value of gpio_chip::get_direction()")
Reported-by: Mark Brown <broonie@kernel.org>
Closes: https://lore.kernel.org/all/Z7VFB1nST6lbmBIo@finisterre.sirena.org.uk/
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Stefan Wahren <wahrenst@gmx.net>
Link: https://lore.kernel.org/20250219102750.38519-1-brgl@bgdev.pl
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Add gpio and pinctrl support for the 5 GPIO banks on RK3528.
Signed-off-by: Steven Liu <steven.liu@rock-chips.com>
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/20250228064024.3200000-4-jonas@kwiboo.se
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
We already have ACPI dependency for Intel pinctrl menu. No need to
repeat it.
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
While looking at the X1E PDC GPIO interrupts it became clear that we're
lacking a convenient and accessible way to validate if the TLMM
interrupt code performing as expected.
This introduces a kunit-based "hack" that relies on pin bias/pull
configuration to tickle the interrupt logic in non-connected pins to
allow us to evaluate that an expected number of interrupts are
delivered.
The bias/pull configuration is done with mmio accesses directly from the
test code, to avoid having to programmatically acquire and drive the
pinconf interface for the test pin. This limits the scalability of the
code to targets with a particular register layout, but serves our needs
for now.
The pin to be used for testing is specified by the tester using the
"tlmm-test.gpio" module parameter.
Worth mentioning is that some of the test cases currently fails for
GPIOs that is not backed by PDC (i.e. "non-wakeup" GPIOs), as lingering
latched interrupt state is being delivered at IRQ request time.
Signed-off-by: Bjorn Andersson <bjorn.andersson@oss.qualcomm.com>
Link: https://lore.kernel.org/20250227-tlmm-test-v1-1-d18877b4a5db@oss.qualcomm.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The SFIO/GPIO select bit is a crucial part of Tegra's pin multiplexing
system:
- When set to 1, the pin operates in SFIO mode, controlled by the
pin's assigned special function.
- When set to 0, the pin operates as a general-purpose GPIO.
This SFIO/GPIO select bit that is set for a given pin is not displayed,
adding the support to retrieve this information from the
pinmux set for each pin.
Signed-off-by: Prathamesh Shete <pshete@nvidia.com>
Link: https://lore.kernel.org/20241217153249.5712-1-pshete@nvidia.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Switch the code to use for_each_gpiochip_node() helper.
While at it, correct header inclusion as device property APIs
are provided in property.h.
Reviewed-by: J. Neuschäfer <j.ne@posteo.net>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/20250220155036.2734838-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
- Add suspend/resume support for pull up/down on RZ/G3S,
- Miscellaneous fixes and improvements.
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Merge tag 'renesas-pinctrl-for-v6.15-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into devel
pinctrl: renesas: Updates for v6.15
- Add suspend/resume support for pull up/down on RZ/G3S,
- Miscellaneous fixes and improvements.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Add a new pinctrl driver for Amlogic SoCs. All future Amlogic
SoCs pinctrl drives use this, such A4, A5, S6, S7 etc. To support
new Amlogic SoCs, only need to add the corresponding dts file.
Signed-off-by: Xianwei Zhao <xianwei.zhao@amlogic.com>
Link: https://lore.kernel.org/20250212-amlogic-pinctrl-v5-3-282bc2516804@amlogic.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
When describing pin mux func through pinmux propertity,
a standard API is added for support. The pinmux contains pin
identification and mux values, which can include multiple
pins. And groups configuration use other word. DTS such as:
func-name {
group_alias: group-name{
pinmux= <pin_id << 8 | mux_value)>,
<pin_id << 8 | mux_value)>;
bias-pull-up;
drive-strength-microamp = <4000>;
};
};
Signed-off-by: Xianwei Zhao <xianwei.zhao@amlogic.com>
Link: https://lore.kernel.org/20250212-amlogic-pinctrl-v5-2-282bc2516804@amlogic.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Add the dt-bindings for Amlogic pin controller, and add a new
dt-binding header file which document the GPIO bank names of
Amlogic A4 SoC.
Signed-off-by: Xianwei Zhao <xianwei.zhao@amlogic.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/20250212-amlogic-pinctrl-v5-1-282bc2516804@amlogic.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
SG2044 share the share common control logic with SG2042. So
only pin definition is needed.
Add pin definition driver for SG2044 SoC.
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Link: https://lore.kernel.org/20250211051801.470800-8-inochiama@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
SG2042 introduces a simple pinctrl device for all configurable pins.
For the SG2042 pinctl register file, each register (32 bits) is
responsible for two pins, each occupying the upper 16 bits and lower
16 bits of the register. It supports setting pull up/down, drive
strength and input schmitt trigger.
Add support for SG2042 pinctrl device.
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/20250211051801.470800-6-inochiama@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Since different series of the Sophgo chip share a common pinctrl data
structure. It is necessary to add a common probe function to alloc
the this data structure. Add pctrl_init callback to allow soc to perform
its own initialization.
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Link: https://lore.kernel.org/20250211051801.470800-5-inochiama@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
With generic data structure, it is possible to generalize vddio
operators and DT parsing code of cv18xx pinctrl driver. Introduce
sophgo_cfg_ops callback to allow the driver to adjust the soc
logic and share common code.
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Link: https://lore.kernel.org/20250211051801.470800-4-inochiama@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
To share DT parsing and vddio code, it is necessary to introduce
some generic data structure to abstract the different cv18xx series
and the incoming sg2042 series.
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Link: https://lore.kernel.org/20250211051801.470800-3-inochiama@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
When setting pinconf configuration for cv1800 SoC, the driver just writes
the value. It may zero some bits of the pinconf register and cause some
unexpected error. Add a mask to avoid this.
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Link: https://lore.kernel.org/20250211051801.470800-2-inochiama@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
It looks like both 8917 and 8937 are the same except for one pin
"wsa_reset".
Signed-off-by: Dang Huynh <danct12@riseup.net>
Signed-off-by: Barnabás Czémán <barnabas.czeman@mainlining.org>
Link: https://lore.kernel.org/20250211-msm8937-v1-4-7d27ed67f708@mainlining.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* Split devres APIs to a separate header (linux/device/devres.h)
* Move IOMEM_ERR_PTR() to err.h to avoid unneeded loops
* Introduce devm_kmemdup_array()
* Use devm_kmemdup_array() in input, IIO, and pinctrl subsystems
The following is an automated git shortlog grouped by driver:
baytrail:
- copy communities using devm_kmemdup_array()
cherryview:
- use devm_kmemdup_array()
devres:
- Introduce devm_kmemdup_array()
driver core:
- Split devres APIs to device/devres.h
err.h:
- move IOMEM_ERR_PTR() to err.h
iio:
- adc: xilinx-xadc-core: use devm_kmemdup_array()
- imu: st_lsm9ds0: Replace device.h with what is needed
input:
- ipaq-micro-keys: use devm_kmemdup_array()
- sparse-keymap: use devm_kmemdup_array()
intel:
- copy communities using devm_kmemdup_array()
Merge patch series "Split devres APIs to device/devres.h and introduce devm_kmemdup_array()":
- Merge patch series "Split devres APIs to device/devres.h and introduce devm_kmemdup_array()"
pxa2xx:
- use devm_kmemdup_array()
tangier:
- use devm_kmemdup_array()
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Merge tag 'ib-devres-iio-input-pinctrl-v6.15' into intel/pinctrl
There are a few Intel pin control drivers that are affected
by the devm_kmemdup_array() conversion, merge the ib-devres-iio-input-pinctrl
for making development going smoothly.
* Split devres APIs to a separate header (linux/device/devres.h)
* Move IOMEM_ERR_PTR() to err.h to avoid unneeded loops
* Introduce devm_kmemdup_array()
* Use devm_kmemdup_array() in input, IIO, and pinctrl subsystems
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Raag Jadav <raag.jadav@intel.com> says:
This series
1. Splits device/devres.h for the users that are only interested in devres APIs.
Original work by Andy Shevchenko:
https://lore.kernel.org/r/20241203195340.855879-1-andriy.shevchenko@linux.intel.com
2. Introduces a more robust and cleaner devm_kmemdup_array() helper and uses it
across drivers.
The idea behind embedding both work into a single series is to make the review
process easier and reduce conflicts while merging.
Link: https://lore.kernel.org/r/20250212062513.2254767-1-raag.jadav@intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Convert to use devm_kmemdup_array() which is more robust.
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Convert to use devm_kmemdup_array() and while at it, use source size
instead of destination.
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Convert to use devm_kmemdup_array() and while at it, use source size
instead of destination.
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Convert to use devm_kmemdup_array() which is more robust.
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Convert to use devm_kmemdup_array() and while at it, use source size
instead of destination.
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Convert to use devm_kmemdup_array() and while at it, use source size
instead of destination.
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Copy communities using devm_kmemdup_array() instead of doing it manually.
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Introduce '_array' variant of devm_kmemdup() which is more robust and
consistent with alloc family of helpers.
Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Instead of including a huge device.h with tons of dependencies
include only what driver actually uses.
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
device.h is a huge header which is hard to follow and easy to miss
something. Improve that by splitting devres APIs to device/devres.h.
In particular this helps to speedup the build of the code that includes
device.h solely for a devres APIs.
While at it, cast the error pointers to __iomem using IOMEM_ERR_PTR()
and fix sparse warnings.
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Since IOMEM_ERR_PTR() macro deals with an error pointer, a better place
for it is err.h. This helps avoid dependency on io.h for the users that
don't need it.
Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Suppress binding attributes for the rzg2l pinctrl driver, as it is an
essential block for Renesas SoCs. Unbinding the driver leads to
warnings from __device_links_no_driver() and can eventually render the
system inaccessible.
Fixes: c4c4637eb5 ("pinctrl: renesas: Add RZ/G2L pin and gpio controller driver")
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20250215131235.228274-1-claudiu.beznea.uj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
