This includes following Intel pinctrl changes for v6.13 merge window:
- Expose DSW community on Elkhart Lake.
- Elaborate in the code comment the pull bias settings.
Both have been in linux-next with no reported issues.
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Merge tag 'intel-pinctrl-v6.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pinctrl/intel into devel
intel-pinctrl for v6.13-2
This includes following Intel pinctrl changes for v6.13 merge window:
- Expose DSW community on Elkhart Lake.
- Elaborate in the code comment the pull bias settings.
Both have been in linux-next with no reported issues.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
- Use the gpiochip_populate_parent_fwspec_twocell() helper.
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Merge tag 'renesas-pinctrl-for-v6.13-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into devel
pinctrl: renesas: Updates for v6.13 (take two)
- Use the gpiochip_populate_parent_fwspec_twocell() helper.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Hardware has a DSW (Deep Sleep Well) community that might be exposed
by some BIOSes. Add support for it in the driver.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Add a human readable decoder for pull bias values in the comment.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Add support for Airoha EN7581 GPIO System Controller which provide a
register map for controlling the GPIO, pinctrl and PWM of the SoC via
dedicated pinctrl and pwm child nodes.
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Co-developed-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://lore.kernel.org/20241023-en7581-pinctrl-v9-4-afb0cbcab0ec@kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This patch adds the chip-scu document bindings for EN7581 SoC.
The airoha chip-scu block provides a configuration interface for clock,
io-muxing and other functionalities used by multiple controllers (e.g.
clock, pinctrl, ecc.) on EN7581 SoC.
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://lore.kernel.org/20241023-en7581-pinctrl-v9-1-afb0cbcab0ec@kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
1. Add new pin controller drivers for new Samsung SoCs: Exynos8895,
Exynos9810, Exynos990.
2. Correct the condition when applying further interrupt constraints on
certain Samsung pin controllers. The condition was simply not
effective.
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Merge tag 'samsung-pinctrl-6.13' of https://git.kernel.org/pub/scm/linux/kernel/git/pinctrl/samsung into devel
Samsung pinctrl drivers changes for v6.13
1. Add new pin controller drivers for new Samsung SoCs: Exynos8895,
Exynos9810, Exynos990.
2. Correct the condition when applying further interrupt constraints on
certain Samsung pin controllers. The condition was simply not
effective.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Add drive strength configuration support for GPIO F and G groups.
Signed-off-by: Billy Tsai <billy_tsai@aspeedtech.com>
Reviewed-by: Andrew Jeffery <andrew@codeconstruct.com.au>
Link: https://lore.kernel.org/20241023104406.4083460-1-billy_tsai@aspeedtech.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The map pointer is freed by pinctrl_utils_free_map(). It must not be a
devm_ pointer or it leads to a double free when the device is unloaded.
This is similar to a couple bugs Harshit Mogalapalli fixed earlier in
commits 3fd976afe9 ("pinctrl: nuvoton: fix a double free in
ma35_pinctrl_dt_node_to_map_func()") and 4575962aee ("pinctrl: sophgo:
fix double free in cv1800_pctrl_dt_node_to_map()").
Fixes: a83c29e1d1 ("pinctrl: spacemit: add support for SpacemiT K1 SoC")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Acked-by: Yixun Lan <dlan@gentoo.org>
Link: https://lore.kernel.org/4b5f1306-dc01-4edc-96d3-b232b930ddf2@stanley.mountain
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
YAML binding file provides the conversion of the original text-based
binding for the pinctrl-mcp23s08 to microchip,mcp23s08.yaml.
following compatible strings using the deprecated mcp prefix have been
removed from this binding:
- mcp,mcp23s08
- mcp,mcp23s17
- mcp,mcp23008
- mcp,mcp23017
Signed-off-by: Himanshu Bhavani <himanshu.bhavani@siliconsignals.io>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/20241028063939.6276-1-himanshu.bhavani@siliconsignals.io
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Add Samsung Exynos9810 SoC specific data to enable pinctrl
support for platforms based on Exynos9810.
Co-developed-by: Maksym Holovach <nergzd@nergzd723.xyz>
Signed-off-by: Maksym Holovach <nergzd@nergzd723.xyz>
Signed-off-by: Markuss Broks <markuss.broks@gmail.com>
Link: https://lore.kernel.org/r/20241026-exynos9810-v3-8-b89de9441ea8@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Add the compatible for Samsung Exynos9810 pinctrl eint block
to the schema. It is compatible with Exynos850 EINT controller,
and doesn't have a dedicated IRQ line.
Co-developed-by: Maksym Holovach <nergzd@nergzd723.xyz>
Signed-off-by: Maksym Holovach <nergzd@nergzd723.xyz>
Signed-off-by: Markuss Broks <markuss.broks@gmail.com>
Link: https://lore.kernel.org/r/20241026-exynos9810-v3-4-b89de9441ea8@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Add a compatible for Samsung Exynos9810 pinctrl block to the schema.
Exynos9810 has 9 total pin banks and it's similar to other Samsung
SoC pinctrl blocks.
Co-developed-by: Maksym Holovach <nergzd@nergzd723.xyz>
Signed-off-by: Maksym Holovach <nergzd@nergzd723.xyz>
Signed-off-by: Markuss Broks <markuss.broks@gmail.com>
Link: https://lore.kernel.org/r/20241026-exynos9810-v3-3-b89de9441ea8@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
When two client of the same gpio call pinctrl_select_state() for the
same functionality, we are seeing NULL pointer issue while accessing
desc->mux_owner.
Let's say two processes A, B executing in pin_request() for the same pin
and process A updates the desc->mux_usecount but not yet updated the
desc->mux_owner while process B see the desc->mux_usecount which got
updated by A path and further executes strcmp and while accessing
desc->mux_owner it crashes with NULL pointer.
Serialize the access to mux related setting with a mutex lock.
cpu0 (process A) cpu1(process B)
pinctrl_select_state() { pinctrl_select_state() {
pin_request() { pin_request() {
...
....
} else {
desc->mux_usecount++;
desc->mux_usecount && strcmp(desc->mux_owner, owner)) {
if (desc->mux_usecount > 1)
return 0;
desc->mux_owner = owner;
} }
Signed-off-by: Mukesh Ojha <quic_mojha@quicinc.com>
Link: https://lore.kernel.org/20241014192930.1539673-1-quic_mojha@quicinc.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The IOMUXC controller description is almost identical on i.MX35/5x/6 SoCs,
except for the configuration bits which differ across SoCs. Rename the
fsl,imx6ul-pinctrl.yaml to fsl,imx35-pinctrl.yaml, fill in compatible
strings for the other SoCs and fill in the various bits into desciption.
This way, i.MX35/5x/6 series SoCs can all be converted to DT schema.
Remove the old text DT bindings description.
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Marek Vasut <marex@denx.de>
Link: https://lore.kernel.org/20241017211241.170861-1-marex@denx.de
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Since commit 0166dc11be ("of: make CONFIG_OF user selectable"), OF
can be enabled on all architectures. Therefore depending on
COMPILE_TEST as an alternative is no longer needed.
As ARM_SCMI_PROTOCOL already depends on COMPILE_TEST, we also don't
need to add COMPILE_TEST as an alternative dependency for it.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Link: https://lore.kernel.org/20241022134017.172411db@endymion.delvare
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Add driver for the pincontrol device as present on the Qualcomm
SAR2130P platform. This is based on the msm-5.10 tree, tag
KERNEL.PLATFORM.1.0.r4-00400-NEO.0.
Co-developed-by: Mayank Grover <groverm@codeaurora.org>
Signed-off-by: Mayank Grover <groverm@codeaurora.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/20241018-sar2130p-tlmm-v2-2-11a1d09a6e5f@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Add DT bindings for the TLMM controller on QCS8300 platforms.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Jingyi Wang <quic_jingyw@quicinc.com>
Link: https://lore.kernel.org/20241018-qcs8300_tlmm-v3-1-8b8d3957cf1a@quicinc.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
- Marks GPIOs as used on RZ/A1 and RZ/A2,
- Add open-drain and schmitt-trigger support on RZ/V2H(P),
- Miscellaneous fixes and improvements.
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Merge tag 'renesas-pinctrl-for-v6.13-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into devel
pinctrl: renesas: Updates for v6.13
- Marks GPIOs as used on RZ/A1 and RZ/A2,
- Add open-drain and schmitt-trigger support on RZ/V2H(P),
- Miscellaneous fixes and improvements.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
SpacemiT's K1 SoC has a pinctrl controller which use single register
to describe all functions, which include bias pull up/down(strong pull),
drive strength, schmitter trigger, slew rate, mux mode.
Signed-off-by: Yixun Lan <dlan@gentoo.org>
Link: https://lore.kernel.org/20241016-02-k1-pinctrl-v5-2-03d395222e4f@gentoo.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Add SoC pinctrl configuration for the Exynos 990. The bank types
used are the same as Exynos 850, so we can reuse its macros.
Signed-off-by: Igor Belwon <igor.belwon@mentallysanemainliners.org>
Link: https://lore.kernel.org/r/20241016154838.64515-4-igor.belwon@mentallysanemainliners.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Add a dedicated compatible for the exynos990-wakeup-eint node.
This SoC pin controller does not mux interrupts. It's compatible with
Exynos 850's node, while also being compatible with the Exynos7
fallback.
Signed-off-by: Igor Belwon <igor.belwon@mentallysanemainliners.org>
Link: https://lore.kernel.org/r/20241016154838.64515-3-igor.belwon@mentallysanemainliners.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
The initialization of muxtype deferences pointer func before func
is sanity checked with a null pointer check, hence we have a null
pointer deference issue. Fix this by only deferencing func with
the assignment to muxtype after func has been null pointer checked.
Fixes: 1fc30cd927 ("pinctrl: th1520: Factor out casts")
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Reported-by: Kees Bakker <kees@ijzerbout.nl>
Acked-by: Drew Fustini <dfustini@tenstorrent.com>
Link: https://lore.kernel.org/20241016155655.334518-1-colin.i.king@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Commit 904140fa45 ("dt-bindings: pinctrl: samsung: use Exynos7
fallbacks for newer wake-up controllers") added
samsung,exynos7-wakeup-eint fallback to some compatibles, so the
intention in the if:then: conditions was to handle the cases:
1. Single Exynos7 compatible or Exynos5433+Exynos7 or
Exynos7885+Exynos7: only one interrupt
2. Exynos850+Exynos7: no interrupts
This was not implemented properly however and if:then: block matches
only single Exynos5433 or Exynos7885 compatibles, which do not exist in
DTS anymore, so basically is a no-op and no enforcement on number of
interrupts is made by the binding.
Fix the if:then: condition so interrupts in the Exynos5433 and
Exynos7885 wake-up pin controller will be properly constrained.
Fixes: 904140fa45 ("dt-bindings: pinctrl: samsung: use Exynos7 fallbacks for newer wake-up controllers")
Cc: stable@vger.kernel.org
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20241015065848.29429-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
The Canaan Kendryte K230 pin controller is only present on Canaan
Kendryte K230 SoCs. Hence add a dependency on ARCH_CANAAN, to prevent
asking the user about this driver when configuring a kernel without
Canaan Kendryte series SoC platform support.
Fixes: 545887eab6 ("pinctrl: canaan: Add support for k230 SoC")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/d70279ba02a67250203744b38314f4475b3c5671.1728986052.git.geert+renesas@glider.be
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
When compile-testing without CONfIG_OF:
drivers/pinctrl/pinctrl-th1520.c: In function 'th1520_pinctrl_dt_node_to_map':
drivers/pinctrl/pinctrl-th1520.c:455:23: error: implicit declaration of function 'pinconf_generic_parse_dt_config'; did you mean 'pinconf_generic_dump_config'? [-Wimplicit-function-declaration]
455 | ret = pinconf_generic_parse_dt_config(child, pctldev, &configs, &nconfigs);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| pinconf_generic_dump_config
Enforce this using Kconig dependencies.
Fixes: bed5cd6f8a ("pinctrl: Add driver for the T-Head TH1520 SoC")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Drew Fustini <drew@pdp7.com>
Link: https://lore.kernel.org/20241015151126.2401855-1-arnd@kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Add explicit selection of the PINCTRL_RZG2L config option for the
RZ/V2H(P) (R9A09G057) SoC, ensuring pin control driver is enabled
for this SoC.
Fixes: 9bd95ac86e ("pinctrl: renesas: rzg2l: Add support for RZ/V2H SoC")
Reported-by: Biju Das <biju.das.jz@bp.renesas.com>
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20241010132726.702658-1-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Found those two while reading the code:
EDGE_TRAGGER -> EDGE_TRIGGER
BOTH_EADGE -> BOTH_EDGES
No functional changes, compile tested only.
Signed-off-by: Marc Ferland <marc.ferland@sonatest.com>
Link: https://lore.kernel.org/20241009151249.2086702-1-marc.ferland@sonatest.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
After commit 0edb555a65 ("platform: Make platform_driver::remove()
return void") .remove() is (again) the right callback to implement for
platform drivers.
Convert all platform drivers below drivers/pinctrl to use .remove(),
with the eventual goal to drop struct platform_driver::remove_new(). As
.remove() and .remove_new() have the same prototypes, conversion is done
by just changing the structure member name in the driver initializer.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Link: https://lore.kernel.org/20241007205803.444994-8-u.kleine-koenig@baylibre.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Limit the casts to get the mux data and flags from the driver data
pointer with each pin to two inline functions as requested by Andy
during review.
Signed-off-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
Reviewed-by: Drew Fustini <dfustini@tenstorrent.com>
Tested-by: Drew Fustini <dfustini@tenstorrent.com>
Link: https://lore.kernel.org/20241011144826.381104-4-emil.renner.berthing@canonical.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
When Drew took over the pinctrl driver it seems like he didn't use the
git tree I pointed him at and thus missed some important fixes to the
tables describing valid pinmux settings.
The documentation has a nice overview table of these settings but
unfortunately it doesn't fully match the register descriptions, which
seem to be the correct version.
Fixes: bed5cd6f8a ("pinctrl: Add driver for the T-Head TH1520 SoC")
Signed-off-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
Reviewed-by: Drew Fustini <dfustini@tenstorrent.com>
Tested-by: Drew Fustini <dfustini@tenstorrent.com>
Link: https://lore.kernel.org/20241011144826.381104-3-emil.renner.berthing@canonical.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
When Drew took over the pinctrl driver he must have changed
all the -ENOTSUPP returns into -EOPNOTSUPP. This subtle change
was most likely not spotted because it was never mentioned in the
changelog of the patchset, but it breaks all the places in the
pin control and GPIO frameworks where -ENOTSUPP is expected.
Fixes: bed5cd6f8a ("pinctrl: Add driver for the T-Head TH1520 SoC")
Signed-off-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
Reviewed-by: Drew Fustini <dfustini@tenstorrent.com>
Tested-by: Drew Fustini <dfustini@tenstorrent.com>
Link: https://lore.kernel.org/20241011144826.381104-2-emil.renner.berthing@canonical.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The 'node' member has never been part of this structure so drop its
description.
Fixes: 8b242ca700 ("pinctrl: Add Xilinx ZynqMP pinctrl driver support")
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Link: https://lore.kernel.org/20241010080432.7781-1-brgl@bgdev.pl
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The parameters' descriptions are wrong, drop the invalid ones and
document the ones that are missing the description.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Link: https://lore.kernel.org/20241010080347.7759-1-brgl@bgdev.pl
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Added definitions for some pins which were missing from the
S32G2 SIUL2 pinctrl driver. These pins are used by the JTAG,
PFE and LLCE hardware modules.
Reviewed-by: Matthias Brugger <mbrugger@suse.com>
Signed-off-by: Andrei Stefanescu <andrei.stefanescu@oss.nxp.com>
Link: https://lore.kernel.org/20241002135920.3647322-2-andrei.stefanescu@oss.nxp.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Convert th1520_pinctrl_dt_node_to_map() to use a scoped iterator with
for_each_available_child_of_node_scoped(). As a result, there is no need
to call of_node_put() anymore. The put_child label has been renamed to
free_map which is now a more accurate description.
Suggested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Drew Fustini <dfustini@tenstorrent.com>
Link: https://lore.kernel.org/20241008-th1520-pinctrl-fixes-v3-3-5b60db446a49@tenstorrent.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
