[PATCH] ARM: dts: stm32: lxa-tac: drive powerboard lines as open-drain

[Uwe Kleine-König]

Hello,

On Wed, Oct 18, 2023 at 10:31:55PM +0200, Uwe Kleine-König wrote:
> From: Leonard Göhrs <l.goehrs at pengutronix.de>
> 
> This results in a slight improvement in EMI performance due to the lines
> no longer being driven by the somewhat noisy VDD_IO supply of the SoM.
> 
> Signed-off-by: Leonard Göhrs <l.goehrs at pengutronix.de>
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig at pengutronix.de>
> ---
>  arch/arm/boot/dts/st/stm32mp157c-lxa-tac-gen2.dts | 2 +-
>  arch/arm/boot/dts/st/stm32mp15xc-lxa-tac.dtsi     | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/st/stm32mp157c-lxa-tac-gen2.dts b/arch/arm/boot/dts/st/stm32mp157c-lxa-tac-gen2.dts
> index 8a34d15e9005..4cc177031661 100644
> --- a/arch/arm/boot/dts/st/stm32mp157c-lxa-tac-gen2.dts
> +++ b/arch/arm/boot/dts/st/stm32mp157c-lxa-tac-gen2.dts
> @@ -148,7 +148,7 @@ adc at 0 {
>  		compatible = "ti,lmp92064";
>  		reg = <0>;
>  
> -		reset-gpios = <&gpioa 4 GPIO_ACTIVE_HIGH>;
> +		reset-gpios = <&gpioa 4 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
>  		shunt-resistor-micro-ohms = <15000>;
>  		spi-max-frequency = <5000000>;
>  		vdd-supply = <&reg_pb_3v3>;
> diff --git a/arch/arm/boot/dts/st/stm32mp15xc-lxa-tac.dtsi b/arch/arm/boot/dts/st/stm32mp15xc-lxa-tac.dtsi
> index f09b7c384bd9..188c9cfc7102 100644
> --- a/arch/arm/boot/dts/st/stm32mp15xc-lxa-tac.dtsi
> +++ b/arch/arm/boot/dts/st/stm32mp15xc-lxa-tac.dtsi
> @@ -409,7 +409,7 @@ &sdmmc2 {
>  &spi2 {
>  	pinctrl-names = "default";
>  	pinctrl-0 = <&spi2_pins_c>;
> -	cs-gpios = <&gpiof 12 GPIO_ACTIVE_LOW>;
> +	cs-gpios = <&gpiof 12 (GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN)>;
>  	status = "okay";
>  };
>  
> 
> base-commit: 4d5ab2376ec576af173e5eac3887ed0b51bd8566

Gentle ping. Given this patch is two months old now I assume it fell
through the cracks?

Best regards
UWe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | https://www.pengutronix.de/ |
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