linux-kernel - Re: [PATCH] arm: dts: imx: e60k02: Add touchscreen

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Date:   Wed, 26 Oct 2022 14:13:57 -0400
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Andreas Kemnade <andreas@...nade.info>, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, shawnguo@...nel.org,
        s.hauer@...gutronix.de, kernel@...gutronix.de, festevam@...il.com,
        linux-imx@....com, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Alistair Francis <alistair@...stair23.me>
Subject: Re: [PATCH] arm: dts: imx: e60k02: Add touchscreen

On 26/10/2022 13:30, Andreas Kemnade wrote:
> Add the touchscreen now, since the driver is available.
> 
> Signed-off-by: Andreas Kemnade <andreas@...nade.info>
> ---
> runtime/dtbs_check depends
> https://lore.kernel.org/linux-devicetree/20221026114908.191472-1-alistair@alistair23.me/T/#t
>  arch/arm/boot/dts/e60k02.dtsi              | 12 +++++++++++-
>  arch/arm/boot/dts/imx6sl-tolino-shine3.dts | 14 ++++++++++++++
>  arch/arm/boot/dts/imx6sll-kobo-clarahd.dts | 14 ++++++++++++++
>  3 files changed, 39 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm/boot/dts/e60k02.dtsi b/arch/arm/boot/dts/e60k02.dtsi
> index 935e2359f8df..4f36cc181a52 100644
> --- a/arch/arm/boot/dts/e60k02.dtsi
> +++ b/arch/arm/boot/dts/e60k02.dtsi
> @@ -104,7 +104,17 @@ &i2c2 {
>  	clock-frequency = <100000>;
>  	status = "okay";
>  
> -	/* TODO: CYTTSP5 touch controller at 0x24 */
> +	touchscreen@24 {
> +		compatible = "cypress,tt21000";
> +		reg = <0x24>;
> +		pinctrl-names = "default","sleep";
> +		pinctrl-0 = <&pinctrl_cyttsp5_gpio>;
> +		pinctrl-1 = <&pinctrl_cyttsp5_gpio_sleep>;
> +		interrupt-parent = <&gpio5>;
> +		interrupts = <6 IRQ_TYPE_EDGE_FALLING>;
> +		reset-gpios = <&gpio5 13 GPIO_ACTIVE_LOW>;
> +		vdd-supply = <&ldo5_reg>;
> +	};
>  
>  	/* TODO: TPS65185 PMIC for E Ink at 0x68 */
>  
> diff --git a/arch/arm/boot/dts/imx6sl-tolino-shine3.dts b/arch/arm/boot/dts/imx6sl-tolino-shine3.dts
> index e3f1e8d79528..82d9ed91df92 100644
> --- a/arch/arm/boot/dts/imx6sl-tolino-shine3.dts
> +++ b/arch/arm/boot/dts/imx6sl-tolino-shine3.dts
> @@ -52,6 +52,20 @@ &iomuxc {
>  	pinctrl-names = "default";
>  	pinctrl-0 = <&pinctrl_hog>;
>  
> +	pinctrl_cyttsp5_gpio: cyttsp5_gpio_grp {

No underscores in node names.

Best regards,
Krzysztof