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[v4,5/5] arm64: dts: sun50i-a64-pinephone: Add touchscreen support

Message ID 20200617003209.670819-6-megous@megous.com (mailing list archive)
State New, archived
Headers show
Series Add support for PinePhone LCD panel | expand

Commit Message

Ondřej Jirman June 17, 2020, 12:32 a.m. UTC 
Pinephone has a Goodix GT917S capacitive touchscreen controller on
I2C0 bus. Add support for it.

Signed-off-by: Ondrej Jirman <megous@megous.com>
---
 .../dts/allwinner/sun50i-a64-pinephone.dtsi   | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
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Patch

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
index e60b57f8ac14..6b2ff431cddb 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
@@ -123,6 +123,25 @@  &ehci1 {
 	status = "okay";
 };
 
+&i2c0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c0_pins>;
+	status = "okay";
+
+	touchscreen@5d {
+		compatible = "goodix,gt917s", "goodix,gt911";
+		reg = <0x5d>;
+		interrupt-parent = <&pio>;
+		interrupts = <7 4 IRQ_TYPE_LEVEL_HIGH>; /* PH4 */
+		irq-gpios = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
+		reset-gpios = <&pio 7 11 GPIO_ACTIVE_HIGH>; /* PH11 */
+		AVDD28-supply = <&reg_ldo_io0>;
+		VDDIO-supply = <&reg_ldo_io0>;
+		touchscreen-size-x = <720>;
+		touchscreen-size-y = <1440>;
+	};
+};
+
 &i2c1 {
 	status = "okay";