[PATCH v3 9/9] arm64: dts: rockchip: fix touchscreen reset GPIO polarity

Michael Riesch michael.riesch at wolfvision.net
Tue Dec 13 02:24:40 PST 2022


Hi Quentin,

On 12/5/22 14:40, Quentin Schulz wrote:
> From: Quentin Schulz <quentin.schulz at theobroma-systems.com>
> 
> 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 at theobroma-systems.com>

Cannot test at the moment, but LGTM!

At least as far as the RK3568 EVB1 is concerned:

Acked-by: Michael Riesch <michael.riesch at wolfvision.net>

Thanks and best regards,
Michael

> ---
>  arch/arm64/boot/dts/rockchip/px30-evb.dts          | 2 +-
>  arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi | 2 +-
>  arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts   | 2 +-
>  3 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/rockchip/px30-evb.dts b/arch/arm64/boot/dts/rockchip/px30-evb.dts
> index c1bbd555f5f5b..2087dc7299446 100644
> --- a/arch/arm64/boot/dts/rockchip/px30-evb.dts
> +++ b/arch/arm64/boot/dts/rockchip/px30-evb.dts
> @@ -420,7 +420,7 @@ touchscreen at 14 {
>  		interrupt-parent = <&gpio0>;
>  		interrupts = <RK_PA5 IRQ_TYPE_LEVEL_LOW>;
>  		irq-gpios = <&gpio0 RK_PA5 GPIO_ACTIVE_LOW>;
> -		reset-gpios = <&gpio0 RK_PB4 GPIO_ACTIVE_HIGH>;
> +		reset-gpios = <&gpio0 RK_PB4 GPIO_ACTIVE_LOW>;
>  		VDDIO-supply = <&vcc3v3_lcd>;
>  	};
>  
> diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi
> index 78157521e9449..e63491fb443be 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi
> @@ -588,7 +588,7 @@ touch: touchscreen at 5d {
>  		AVDD28-supply = <&vcc3v0_touch>;
>  		VDDIO-supply = <&vcc3v0_touch>;
>  		irq-gpios = <&gpio4 RK_PD5 GPIO_ACTIVE_HIGH>;
> -		reset-gpios = <&gpio4 RK_PD6 GPIO_ACTIVE_HIGH>;
> +		reset-gpios = <&gpio4 RK_PD6 GPIO_ACTIVE_LOW>;
>  		status = "disabled";
>  	};
>  };
> diff --git a/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts b/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts
> index 674792567fa6e..234531aaa430a 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts
> +++ b/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts
> @@ -495,7 +495,7 @@ touchscreen0: goodix at 14 {
>  		irq-gpios = <&gpio0 RK_PB5 GPIO_ACTIVE_HIGH>;
>  		pinctrl-names = "default";
>  		pinctrl-0 = <&touch_int &touch_rst>;
> -		reset-gpios = <&gpio0 RK_PB6 GPIO_ACTIVE_HIGH>;
> +		reset-gpios = <&gpio0 RK_PB6 GPIO_ACTIVE_LOW>;
>  		VDDIO-supply = <&vcc3v3_lcd0_n>;
>  	};
>  };
> 



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