From 786358ed986e4788b992d98e1d3b198a4e01a9d5 Mon Sep 17 00:00:00 2001 From: Ondrej Jirman Date: Fri, 26 Jun 2020 02:56:01 +0200 Subject: [PATCH 13/13] 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 --- .../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 85a7aa5efd326..2d5694446d176 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 = <®_ldo_io0>; + VDDIO-supply = <®_ldo_io0>; + touchscreen-size-x = <720>; + touchscreen-size-y = <1440>; + }; +}; + &i2c1 { status = "okay"; -- 2.26.2