linux-kernel - [PATCH v3 03/11] arm64: dts: qcom: sm6115-pro1x: Add Goodix Touchscreen

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Message-Id: <20240731-qx1050-feature-expansion-v3-3-b945527fa5d2@riseup.net>
Date: Wed, 31 Jul 2024 13:18:44 +0700
From: Dang Huynh <danct12@...eup.net>
To: Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konrad.dybcio@...aro.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: phone-devel@...r.kernel.org, ~postmarketos/upstreaming@...ts.sr.ht, 
 linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Dang Huynh <danct12@...eup.net>
Subject: [PATCH v3 03/11] arm64: dts: qcom: sm6115-pro1x: Add Goodix
 Touchscreen

The Fxtec Pro1X touchscreen uses Goodix GT9286 chip.

Signed-off-by: Dang Huynh <danct12@...eup.net>
---
 arch/arm64/boot/dts/qcom/sm6115-fxtec-pro1x.dts | 49 +++++++++++++++++++++++++
 1 file changed, 49 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm6115-fxtec-pro1x.dts b/arch/arm64/boot/dts/qcom/sm6115-fxtec-pro1x.dts
index 47e446249af6..813cd22907c8 100644
--- a/arch/arm64/boot/dts/qcom/sm6115-fxtec-pro1x.dts
+++ b/arch/arm64/boot/dts/qcom/sm6115-fxtec-pro1x.dts
@@ -63,6 +63,20 @@ key-volume-up {
 			wakeup-source;
 		};
 	};
+
+	ts_vdd_supply: ts-vdd-supply {
+		compatible = "regulator-fixed";
+		regulator-name = "ts_vdd_supply";
+		gpio = <&pca9534 3 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+
+	ts_vddio_supply: ts-vddio-supply {
+		compatible = "regulator-fixed";
+		regulator-name = "ts_vddio_supply";
+		gpio = <&pca9534 2 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
 };
 
 &dispcc {
@@ -87,6 +101,27 @@ pca9534: gpio@21 {
 	};
 };
 
+&i2c2 {
+	status = "okay";
+	/* Clock frequency was not specified downstream, let's park it to 100 KHz */
+	clock-frequency = <100000>;
+
+	touchscreen@14 {
+		compatible = "goodix,gt9286";
+		reg = <0x14>;
+
+		interrupts-extended = <&tlmm 80 IRQ_TYPE_LEVEL_LOW>;
+
+		irq-gpios = <&tlmm 80 IRQ_TYPE_LEVEL_LOW>;
+		reset-gpios = <&tlmm 71 GPIO_ACTIVE_HIGH>;
+		AVDD28-supply = <&ts_vdd_supply>;
+		VDDIO-supply = <&ts_vddio_supply>;
+
+		pinctrl-0 = <&ts_int_n>, <&ts_rst_n>;
+		pinctrl-names = "default";
+	};
+};
+
 &pm6125_gpios {
 	vol_up_n: vol-up-n-state {
 		pins = "gpio5";
@@ -257,6 +292,20 @@ key_camera_n: key-camera-n-state {
 		bias-pull-up;
 	};
 
+	ts_rst_n: ts-rst-n-state {
+		pins = "gpio71";
+		function = "gpio";
+		drive-strength = <8>;
+		bias-pull-up;
+	};
+
+	ts_int_n: ts-int-n-state {
+		pins = "gpio80";
+		function = "gpio";
+		drive-strength = <8>;
+		bias-pull-up;
+	};
+
 	hall_sensor_n: hall-sensor-n-state {
 		pins = "gpio96";
 		function = "gpio";

-- 
2.46.0