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

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于 2020年7月1日 GMT+08:00 下午6:31:26, Ondrej Jirman <megous@xxxxxxxxxx> 写到:
>Pinephone has a Goodix GT917S capacitive touchscreen controller on
>I2C0 bus. Add support for it.
>
>Signed-off-by: Ondrej Jirman <megous@xxxxxxxxxx>
>Acked-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
>---
> .../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";

Please drop gt911 here. GT917S belong to the GT1x product line, not the same line with GT911.

You will see this in the driver.

>+		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";
> 
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