Re: [PATCH 09/10] arm64: dts: qcom: sm6350-lena: Configure Samsung touchscreen

From: Konrad Dybcio
Date: Mon Oct 31 2022 - 17:14:59 EST




On 30.10.2022 08:32, Marijn Suijten wrote:
> Use the generic samsung,s6sy761 touchscreen driver for this device,
> together with a few pins and regulators to power it up correctly.
>
> Signed-off-by: Marijn Suijten <marijn.suijten@xxxxxxxxxxxxxx>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxx>

Konrad
> .../qcom/sm6350-sony-xperia-lena-pdx213.dts | 41 +++++++++++++++++++
> 1 file changed, 41 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/sm6350-sony-xperia-lena-pdx213.dts b/arch/arm64/boot/dts/qcom/sm6350-sony-xperia-lena-pdx213.dts
> index 6eb1d4e5e60f..20f35623d1ef 100644
> --- a/arch/arm64/boot/dts/qcom/sm6350-sony-xperia-lena-pdx213.dts
> +++ b/arch/arm64/boot/dts/qcom/sm6350-sony-xperia-lena-pdx213.dts
> @@ -43,6 +43,15 @@ key-volume-down {
> gpios = <&pm6350_gpios 2 GPIO_ACTIVE_LOW>;
> };
> };
> +
> + touch_en_vreg: touch-en-regulator {
> + compatible = "regulator-fixed";
> + regulator-name = "touch_en_vreg";
> + gpio = <&tlmm 10 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> +
> + vin-supply = <&pm6350_l6>;
> + };
> };
>
> &apps_rsc {
> @@ -280,6 +289,23 @@ &gpi_dma1 {
> status = "okay";
> };
>
> +&i2c8 {
> + clock-frequency = <400000>;
> + status = "okay";
> +
> + touchscreen@48 {
> + compatible = "samsung,s6sy761";
> + reg = <0x48>;
> + interrupt-parent = <&tlmm>;
> + interrupts = <22 0x2008>;
> + vdd-supply = <&pm6350_l11>;
> + avdd-supply = <&touch_en_vreg>;
> +
> + pinctrl-names = "default";
> + pinctrl-0 = <&ts_int_default &ts_active>;
> + };
> +};
> +
> &pm6350_gpios {
> gpio_keys_state: gpio-keys-state {
> key-volume-down-pins {
> @@ -334,6 +360,21 @@ &sdhc_2 {
>
> &tlmm {
> gpio-reserved-ranges = <13 4>, <45 2>, <56 2>;
> +
> + ts_active: ts-active-state {
> + pins = "gpio21";
> + function = "gpio";
> + drive-strength = <8>;
> + bias-pull-up;
> + };
> +
> + ts_int_default: ts-int-default-state {
> + pins = "gpio22";
> + function = "gpio";
> + drive-strength = <2>;
> + bias-disable;
> + input-enable;
> + };
> };
>
> &usb_1 {