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pcs_remove() is only called after pcs_probe() completed successfully. In
this case platform_set_drvdata() was called with a non-NULL argument and
so platform_get_drvdata() won't return NULL.
Simplify by removing the if block with the always false condition.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20231009083856.222030-3-u.kleine-koenig@pengutronix.de
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The driver core has no handling for errors returned by the .remove()
callback. The only action on error is a dev_warn() with generic error
message that the returned value is returned.
Replace it by a more specific and useful message. Then returning zero is
the right thing to do, the only effect is to suppress the core's
warning.
This prepares the driver for the conversion to .remove_new().
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20231009083856.222030-2-u.kleine-koenig@pengutronix.de
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
make CHECK_DTBS=y st/stm32f469-disco.dtb
brings up a warning about a missing argument:
stm32f469-disco.dtb: pinctrl@40020000: st,syscfg:0: [21, 8] is too short
The description of the third entry indicates that this entry is optional.
The code in stm32_pctrl_dt_setup_irq parses st,syscfg and treats the third
entry as optional. It defaults to 0xf if not present in the devicetree.
Update the schema to require at least two entries, use the same syntax as
the description of renesas,ipmmu-main in
Documentation/devicetree/bindings/iommu/renesas,ipmmu-vmsa.yaml.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20231006082247.3830719-1-martin@kaiser.cx
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Some platforms unfortunately have their SPI mode selection bits
strapped incorrectly (such as being configured for passthrough mode
when master mode is in fact the only useful configuration for it) and
thus require correction in software. Add the SPI mode bits to the
GPIO passthrough bits as the exceptions to the read-only rule for the
hardware strap register so that the pinctrl subsystem can be used for
such corrections.
Signed-off-by: Zev Weiss <zev@bewilderbeest.net>
Reviewed-by: Andrew Jeffery <andrew@codeconstruct.com.au>
Link: https://lore.kernel.org/r/20231005030849.11352-2-zev@bewilderbeest.net
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The 'fsl,mxs-gpio' property is not documented in gpio-mxs.yaml, but
the imx23 and imx28 dtsi describe the gpios as:
compatible = "fsl,imx28-gpio", "fsl,mxs-gpio";
This gives schema warnings like:
imx28-cfa10037.dtb: pinctrl@80018000: gpio@0:compatible: ['fsl,imx28-gpio', 'fsl,mxs-gpio'] is too long
from schema $id: http://devicetree.org/schemas/gpio/gpio-mxs.yaml#
"fsl,mxs-gpio" is only used inside pinctrl-mxs, but can be removed if
the compatible check is done against fsl,imx23-gpio and fsl,imx28-gpio.
Introduce is_mxs_gpio() and remove the need for "fsl,mxs-gpio".
Tested on a imx28-evk.
Signed-off-by: Fabio Estevam <festevam@denx.de>
Link: https://lore.kernel.org/r/20230928134321.438547-1-festevam@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Add struct mcp23s08_info and simplify probe()/mcp23s08_spi_regmap_init() by
replacing match data 'type' with 'struct mcp23s08_info'.
While at it, replace 'dev_err()'->'dev_err_probe()' and drop printing
'type' in error path for i2c_get_match_data().
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20231001150113.7752-4-biju.das.jz@bp.renesas.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Simpilfy probe() by replacing device_get_match_data() and ID lookup for
retrieving match data by spi_get_device_match_data().
While at it, replace data type of variable type from 'int'->'unsigned int'
and declare variables following a reverse christmas tree order.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20231001150113.7752-3-biju.das.jz@bp.renesas.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The driver has OF match table, still it uses ID lookup table for
retrieving match data. Currently the driver is working on the
assumption that a I2C device registered via OF will always match a
legacy I2C device ID. The correct approach is to have an OF device ID
table using of_device_match_data() if the devices are registered via OF.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20231001150113.7752-2-biju.das.jz@bp.renesas.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
These pin definitions are helpful to have when working with the
driver in the future, so they are in a sense a bit like
documentation. They could be commented out as well, but why.
This should fix these build warnings:
drivers/pinctrl/realtek/pinctrl-rtd1315e.c:231:35: warning:
'rtd1315e_boot_sel_pins' defined but not used [-Wunused-const-variable=]
drivers/pinctrl/realtek/pinctrl-rtd1315e.c:231:35: warning:
'rtd1315e_reset_n_pins' defined but not used [-Wunused-const-variable=]
drivers/pinctrl/realtek/pinctrl-rtd1315e.c:231:35: warning:
'rtd1315e_scan_switch_pins' defined but not used [-Wunused-const-variable=]
drivers/pinctrl/realtek/pinctrl-rtd1315e.c:231:35: warning:
'rtd1315e_testmode_pins' defined but not used [-Wunused-const-variable=]
drivers/pinctrl/realtek/pinctrl-rtd1315e.c:231:35: warning:
'rtd1315e_wd_rset_pins' defined but not used [-Wunused-const-variable=]
drivers/pinctrl/realtek/pinctrl-rtd1319d.c:237:35: warning:
'rtd1319d_boot_sel_pins' defined but not used [-Wunused-const-variable=]
drivers/pinctrl/realtek/pinctrl-rtd1319d.c:237:35: warning:
'rtd1319d_reset_n_pins' defined but not used [-Wunused-const-variable=]
drivers/pinctrl/realtek/pinctrl-rtd1319d.c:237:35: warning:
'rtd1319d_scan_switch_pins' defined but not used [-Wunused-const-variable=]
drivers/pinctrl/realtek/pinctrl-rtd1319d.c:237:35: warning:
'rtd1319d_testmode_pins' defined but not used [-Wunused-const-variable=]
drivers/pinctrl/realtek/pinctrl-rtd1319d.c:237:35: warning:
'rtd1319d_wd_rset_pins' defined but not used [-Wunused-const-variable=]
Cc: Tzuyi Chang <tychang@realtek.com>
Link: https://lore.kernel.org/oe-kbuild-all/202309270313.mBEc9o1A-lkp@intel.com/
Link: https://lore.kernel.org/oe-kbuild-all/202309270448.7Aen3Sgx-lkp@intel.com/
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20231006-fix-realtek-warnings-v1-1-09af253312ba@linaro.org
There are several issues in the probe function:
1) of_iomap() return NULL on error but the code checks for error
pointers.
2) pinctrl_register() is the reverse. It returns error pointers
but the code checks for NULL.
3) The error paths need to call iounmap(data->base) before returning
to avoid a resource leak.
Fixes: e99ce78030db ("pinctrl: realtek: Add common pinctrl driver for Realtek DHC RTD SoCs")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/590b337a-13ce-4391-a09d-d2b06fbc912d@moroto.mountain
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Prepare for the coming implementation by GCC and Clang of the __counted_by
attribute. Flexible array members annotated with __counted_by can have
their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS
(for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family
functions).
As found with Coccinelle[1], add __counted_by for struct uniphier_pinctrl_reg_region.
[1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: linux-gpio@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: "Gustavo A. R. Silva" <gustavoars@kernel.org>
Link: https://lore.kernel.org/r/20230922175006.work.421-kees@kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
These errors are not quite clear without also logging they device tree node
being parsed, especially when the pinmux node has lots of subnodes. Adding
the node name helps a lot in finding the node that triggers the error.
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20230926103938.334055-1-luca.ceresoli@bootlin.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Add pin <-> wakeirq mappings to allow for waking up the AP from sleep
through MPM-connected pins.
Signed-off-by: Matti Lehtimäki <matti.lehtimaki@gmail.com>
Reviewed-by: Luca Weiss <luca@z3ntu.xyz>
Link: https://lore.kernel.org/r/20230923131432.21721-3-matti.lehtimaki@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Add pin <-> wakeirq mappings to allow for waking up the AP from sleep
through MPM-connected pins.
Signed-off-by: Matti Lehtimäki <matti.lehtimaki@gmail.com>
Reviewed-by: Luca Weiss <luca@z3ntu.xyz>
Link: https://lore.kernel.org/r/20230923131432.21721-2-matti.lehtimaki@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
On GPIO22 and GPIO23 there is another I2C bus. Add the function for it.
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20230922-msm8226-i2c6-v2-2-3fb55c47a084@z3ntu.xyz
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
mtk_pinmux_set_mux() doesn't check the result of mtk_hw_set_value()
despite it may return a negative error code. Propagate error code
to caller functions.
Found by Linux Verification Center (linuxtesting.org) with the Svace static
analysis tool.
Signed-off-by: Karina Yankevich <k.yankevich@omp.ru>
Link: https://lore.kernel.org/r/20230922135926.3653428-2-k.yankevich@omp.ru
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
mtk_pmx_set_mux() doesn't check the result of mtk_hw_set_value()
despite it may return negative error code. Propagate error code
to caller functions.
Found by Linux Verification Center (linuxtesting.org) with the Svace static
analysis tool.
Signed-off-by: Karina Yankevich <k.yankevich@omp.ru>
Link: https://lore.kernel.org/r/20230922135926.3653428-1-k.yankevich@omp.ru
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
We usually do reverse order of enable() for disable(). Currently, the
ordering of irq_chip_disable_parent() is not correct in
rzg2l_gpio_irq_disable(). Fix the incorrect order.
Fixes: db2e5f21a48e ("pinctrl: renesas: pinctrl-rzg2l: Add IRQ domain to handle GPIO interrupt")
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Tested-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230918123355.262115-2-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Just as unevaluatedProperties or additionalProperties are required at
the top level of schemas, they should (and will) also be required for
child node schemas. That ensures only documented properties are
present for any node.
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230925212713.1975800-1-robh@kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Add a new pinctrl driver for Amlogic T7 SoCs which share
the same register layout as the previous Amlogic S4.
Signed-off-by: Huqiang Qin <huqiang.qin@amlogic.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://lore.kernel.org/r/20230922094342.637251-3-huqiang.qin@amlogic.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Add a new compatible name for Amlogic T7 pin controller, and add
a new dt-binding header file which document the detail pin names.
Signed-off-by: Huqiang Qin <huqiang.qin@amlogic.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20230922094342.637251-2-huqiang.qin@amlogic.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Some SoCs from the H616 family (such as the T507) have the same die but
more output pins that are used for additional peripherals. The T507 SoC
don't have a built-in multiphy like the AC200 or AC300 connected to the
bank A. With the T507 these pins can be freely used for any other application.
This patch adds the missing muxes on banks A, D and E.
Thanks to Samuel and Andre for the review.
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Link: https://lore.kernel.org/r/20230916081615.4237-1-iuncuim@gmail.com
Signed-off-by: Mikhail Kalashnikov <iuncuim@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
AST2600 USB2AHP (USB PortA: PCIe EHCI to PHY) function needs to set the
register SCUC20[16]. Set it to enable the PCIe EHCI device on PCIe bus.
Besides, also add USB2AHP signal expressions into pin declarations.
Signed-off-by: Joe Wang <joe_wang@aspeedtech.com>
Link: https://lore.kernel.org/r/20230920103332.274151-1-joe_wang@aspeedtech.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The RTD SoCs share a similar design for pinmux and pinconfig.
This common pinctrl driver supports different variants within the RTD
SoCs.
Signed-off-by: Tzuyi Chang <tychang@realtek.com>
Link: https://lore.kernel.org/r/20230919101117.4097-2-tychang@realtek.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
We have build errors due to missing dependency on OF.
Add the dependency and do it the same way for all three
Nuvotons while we are at it.
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20230913-novoton-kconfig-v1-1-1c2dff14c0d2@linaro.org
Detailed error message is already printed at the end of the function, so
drop redundant one a few lines earlier.
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://lore.kernel.org/r/20230909063613.2867-2-jernej.skrabec@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Simpilfy probe() by replacing of_device_get_match_data() and ID lookup for
retrieving match data by i2c_get_match_data().
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20230909110459.12453-1-biju.das.jz@bp.renesas.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Simpilfy probe() by replacing device_get_match_data() and ID lookup for
retrieving match data by i2c_get_match_data().
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20230902082225.8777-1-biju.das.jz@bp.renesas.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Add pinctrl and GPIO controller driver support to Arbel BMC NPCM8XX SoC.
Arbel BMC NPCM8XX pinctrl driver based on Poleg NPCM7XX, except the
pin mux mapping difference the NPCM8XX GPIO supports adjust debounce
period time.
Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Link: https://lore.kernel.org/r/20230828140849.21724-3-tmaimon77@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Use the pinconf_generic_dt_node_to_map_all() helper instead of
open-coding the same operation, to avoid having to provide custom
pinctrl_ops.dt_node_to_map() callbacks.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Link: https://lore.kernel.org/r/81e9ab48f78d63153b23a163b3349b3059d2b7fc.1692871558.git.geert+renesas@glider.be
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
