[linux-sunxi] [PATCH v6 13/13] arm64: dts: sun50i-a64-pinephone: Add touchscreen support

[Ondrej Jirman]

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

Signed-off-by: Ondrej Jirman <meg...@megous.com>
Acked-by: Linus Walleij <linus.wall...@linaro.org>
---
 .../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 85a7aa5efd32..2d5694446d17 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

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