[PATCH v1 23/25] ARM: dts: stm32: Don't probe red led at boot for stm32mp157c-ed1-scmi-u-boot

Patrice CHOTARD patrice.chotard at foss.st.com
Fri Apr 19 14:30:24 CEST 2024



On 4/9/24 17:02, Patrice Chotard wrote:
> red led and button dedicated to fastboot share the same gpio GPIOA13.
> Led driver is probed early so the corresponding gpio is taken and
> configured in output which forbid fastboot and stm32prog button usage.
> 
> To avoid this, remove the "default-state" property from red led node.
> 
> This will avoid to trigger the led driver probe() to configure the led
> default state during startup.
> 
> Signed-off-by: Patrice Chotard <patrice.chotard at foss.st.com>
> ---
> 
>  arch/arm/dts/stm32mp157c-ed1-scmi-u-boot.dtsi | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/arch/arm/dts/stm32mp157c-ed1-scmi-u-boot.dtsi b/arch/arm/dts/stm32mp157c-ed1-scmi-u-boot.dtsi
> index 84920f53496..2abd512e297 100644
> --- a/arch/arm/dts/stm32mp157c-ed1-scmi-u-boot.dtsi
> +++ b/arch/arm/dts/stm32mp157c-ed1-scmi-u-boot.dtsi
> @@ -37,7 +37,6 @@
>  		red {
>  			label = "error";
>  			gpios = <&gpioa 13 GPIO_ACTIVE_LOW>;
> -			default-state = "off";
>  			status = "okay";
>  		};
>  	};

Applied on u-boot-stm32/master 


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