Re: [PATCH v3 4/9] ARM: dts: imx: fix touchscreen reset GPIO polarity

[Frieder Schrempf]

On 05.12.22 14:40, Quentin Schulz wrote:
> From: Quentin Schulz <quentin.schulz@xxxxxxxxxxxxxxxxxxxxx>
> 
> The reset line is active low for the Goodix touchscreen controller so
> let's fix the polarity in the Device Tree node.
> 
> Signed-off-by: Quentin Schulz <quentin.schulz@xxxxxxxxxxxxxxxxxxxxx>
> ---
>  arch/arm/boot/dts/imx6q-kp.dtsi            | 2 +-
>  arch/arm/boot/dts/imx6ul-kontron-bl-43.dts | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/imx6q-kp.dtsi b/arch/arm/boot/dts/imx6q-kp.dtsi
> index 1ade0bff681d6..dae14aaf803a8 100644
> --- a/arch/arm/boot/dts/imx6q-kp.dtsi
> +++ b/arch/arm/boot/dts/imx6q-kp.dtsi
> @@ -188,7 +188,7 @@ touchscreen@5d {
>  		interrupt-parent = <&gpio1>;
>  		interrupts = <9 IRQ_TYPE_EDGE_FALLING>;
>  		irq-gpios = <&gpio1 9 GPIO_ACTIVE_HIGH>;
> -		reset-gpios = <&gpio5 2 GPIO_ACTIVE_HIGH>;
> +		reset-gpios = <&gpio5 2 GPIO_ACTIVE_LOW>;
>  	};
>  
>  	ds1307: rtc@32 {
> diff --git a/arch/arm/boot/dts/imx6ul-kontron-bl-43.dts b/arch/arm/boot/dts/imx6ul-kontron-bl-43.dts
> index 0c643706a158b..767ef5da76136 100644
> --- a/arch/arm/boot/dts/imx6ul-kontron-bl-43.dts
> +++ b/arch/arm/boot/dts/imx6ul-kontron-bl-43.dts
> @@ -29,7 +29,7 @@ touchscreen@5d {
>  		pinctrl-0 = <&pinctrl_cap_touch>;
>  		interrupt-parent = <&gpio5>;
>  		interrupts = <6 IRQ_TYPE_LEVEL_LOW>;
> -		reset-gpios = <&gpio5 8 GPIO_ACTIVE_HIGH>;
> +		reset-gpios = <&gpio5 8 GPIO_ACTIVE_LOW>;
>  		irq-gpios = <&gpio5 6 GPIO_ACTIVE_HIGH>;
>  	};
>  };

The imx6ul-kontron-bl-43.dts misses a working panel node, so I'm pretty
sure it is not used and nobody will bother about change breaking
compatibility. I don't have the hardware at hand at the moment to
perform a test, so for now:

Acked-by: Frieder Schrempf <frieder.schrempf@xxxxxxxxxx> #
imx6ul-kontron-bl-43.dts