arm64: dts: qcom: sm6350-lena: Configure Samsung touchscreen

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@somainline.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221030073232.22726-10-marijn.suijten@somainline.org

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 6eb1d4e..20f3562 100644 (file)
--- 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 @@
                        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 @@
        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 @@
 
 &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 {