From ae03bade3b53983ed4be0282fb37a36017880867 Mon Sep 17 00:00:00 2001
From: Alistair Francis <alistair@alistair23.me>
Date: Fri, 8 Nov 2019 17:44:06 -0800
Subject: [PATCH] arm64: allwinner: sopine-baseboard: Enable I2C touchscreen

Signed-off-by: Alistair Francis <alistair@alistair23.me>
---
 .../allwinner/sun50i-a64-sopine-baseboard.dts | 23 +++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts
index 93f67f546729..5b825e628df2 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts
@@ -148,6 +148,29 @@
 	};
 };
 
+&i2c0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c0_pins>;
+	status = "okay";
+
+	gt911@5d {
+		compatible = "goodix,gt911";
+		reg = <0x5d>;
+
+		interrupt-parent = <&pio>;
+		interrupts = <7 4 IRQ_TYPE_EDGE_RISING>; /* PH4 */
+		reset-gpios = <&pio 7 11 GPIO_ACTIVE_HIGH>; /* PH11 */
+		AVDD28-supply = <&reg_ldo_io0>; /* VCC-CTP: GPIO0-LDO */
+	};
+};
+
+&reg_ldo_io0 {
+	regulator-min-microvolt = <3300000>;
+	regulator-max-microvolt = <3300000>;
+	regulator-name = "vcc-ctp";
+	status = "okay";
+};
+
 &i2s2 {
 	status = "okay";
 };