arm64: dts: qcom: sm8250-xiaomi-elish: enable touchscreen

Signed-off-by: Jianhua Lu <lujianhua000@gmail.com>

arch/arm64/boot/dts/qcom/sm8250-xiaomi-elish-boe.dts

@@ -16,3 +16,8 @@ &display_panel {
 	compatible = "xiaomi,elish-boe-nt36523", "novatek,nt36523";
 	status = "okay";
 };
+
+&touchscreen {
+	firmware-name = "novatek/nt36523-boe.bin";
+	status = "okay";
+};

arch/arm64/boot/dts/qcom/sm8250-xiaomi-elish-common.dtsi

@@ -766,6 +766,16 @@ &pon_resin {
 	status = "okay";
 };
 
+&qup_spi4_cs_gpio {
+	drive-strength = <6>;
+	bias-disable;
+};
+
+&qup_spi4_data_clk {
+	drive-strength = <6>;
+	bias-disable;
+};
+
 &qupv3_id_0 {
 	status = "okay";
 };
@@ -783,6 +793,28 @@ &slpi {
 	status = "okay";
 };
 
+&spi4 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&qup_spi4_data_clk &qup_spi4_cs_gpio>;
+	cs-gpios = <&tlmm 11 GPIO_ACTIVE_LOW>;
+	touchscreen: touchscreen@0 {
+		compatible = "novatek,NVT-ts-spi";
+		reg = <0>; //Same as CS ID
+		status = "disabled";
+
+		spi-max-frequency = <19200000>;	//4800000,9600000,15000000,19200000
+		novatek,irq-gpio = <&tlmm 39 0x2001>;
+
+		novatek,pen-support;
+		novatek,wgp-stylus;
+
+		/*  523 */
+		novatek,swrst-n8-addr = <0x03F0FE>;
+		novatek,spi-rd-fast-addr = <0x03F310>;
+	};
+};
+
 &tlmm {
 	gpio-reserved-ranges = <40 4>;
 

arch/arm64/boot/dts/qcom/sm8250-xiaomi-elish-csot.dts

@@ -16,3 +16,8 @@ &display_panel {
 	compatible = "xiaomi,elish-csot-nt36523", "novatek,nt36523";
 	status = "okay";
 };
+
+&touchscreen {
+	firmware-name = "novatek/nt36523-csot.bin";
+	status = "okay";
+};