[PATCH 1/2] pinctrl: stmfx: Fix pin configuration issue

Patrick DELAUNAY patrick.delaunay at foss.st.com
Tue Feb 9 10:27:36 CET 2021


Hi,

On 1/20/21 1:43 PM, Patrice Chotard wrote:
> pin-controller pin's name must be equal to pin's name used in device
> tree with "pins" DT property.
>
> Issue detected on stm32mp157c-ev1 board with goodix touchscreen.
> In DT, the goodix's pin is declared in DT with the node:
>
>          goodix_pins: goodix {
> 		pins = "gpio14";
> 		bias-pull-down;
> 	};
>
> Whereas in stmfx pin-controller driver, pin's name are equal to
> "stmfx_gpioxx" where xx is the pin number.
> This lead to not configure stmfx's pins at probe because pins is
> identified by its name (see pinctrl_pin_name_to_selector() in
> pinctrl-generic.c) and stmfx pin "gpio14" can't be found.
>
> To fix this issue, come back to the original stmfx pin's name.
>
> Revert "pinctrl: stmfx: update pin name"
>
> This reverts commit 38d30cdcd65c73eeefac5efa328ad444a53b77dd.
>
> Signed-off-by: Patrice Chotard <patrice.chotard at foss.st.com>
> Tested-by: Patrick DELAUNAY <patrick.delaunay at st.com>
> ---
>
>   drivers/pinctrl/pinctrl-stmfx.c | 8 ++++----
>   1 file changed, 4 insertions(+), 4 deletions(-)
>

Applied to u-boot-stm/master, thanks!

Regards

Patrick



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