47 lines
1.3 KiB
Diff
47 lines
1.3 KiB
Diff
|
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
|
||
|
|
From: Ondrej Jirman <megous@megous.com>
|
||
|
|
Date: Fri, 26 Jun 2020 02:56:01 +0200
|
||
|
|
Subject: [PATCH] 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 <megous@megous.com>
|
||
|
|
---
|
||
|
|
.../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 = <®_ldo_io0>;
|
||
|
|
+ VDDIO-supply = <®_ldo_io0>;
|
||
|
|
+ touchscreen-size-x = <720>;
|
||
|
|
+ touchscreen-size-y = <1440>;
|
||
|
|
+ };
|
||
|
|
+};
|
||
|
|
+
|
||
|
|
&i2c1 {
|
||
|
|
status = "okay";
|
||
|
|
|
||
|
|
--
|
||
|
|
2.26.2
|
||
|
|
|