2020-06-17 00:34:34

by Ondřej Jirman

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

Pinephone has a Goodix GT917S capacitive touchscreen controller on
I2C0 bus. Add support for it.

Signed-off-by: Ondrej Jirman <[email protected]>
---
.../dts/allwinner/sun50i-a64-pinephone.dtsi | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)

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";

--
2.27.0