[PATCH v3 2/2] arm64: dts: rk3399-pinephone-pro: Add touchscreen support

From: Javier Martinez Canillas
Date: Tue Mar 28 2023 - 03:35:00 EST


From: Martijn Braam <martijn@xxxxxxxxx>

The phone has a Goodix GT1158 touchscreen, add a DT node for it.

Signed-off-by: Martijn Braam <martijn@xxxxxxxxx>
Co-developed-by: Kamil Trzciński <ayufan@xxxxxxxxx>
Signed-off-by: Kamil Trzciński <ayufan@xxxxxxxxx>
Co-developed-by: Ondrej Jirman <megi@xxxxxx>
Signed-off-by: Ondrej Jirman <megi@xxxxxx>
Signed-off-by: Javier Martinez Canillas <javierm@xxxxxxxxxx>
---

Changes in v3:
- Use the correct "goodix,gt1158" compatible string (Ondrej Jirman).
- Remove "poweroff-in-suspend" not supported in mainline (Ondrej Jirman).

.../dts/rockchip/rk3399-pinephone-pro.dts | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts b/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts
index 539b36e8bff5..475ba78acc09 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts
@@ -367,6 +367,25 @@ regulator-state-mem {
};
};

+&i2c3 {
+ i2c-scl-rising-time-ns = <450>;
+ i2c-scl-falling-time-ns = <15>;
+ status = "okay";
+
+ touchscreen@14 {
+ compatible = "goodix,gt1158";
+ reg = <0x14>;
+ interrupt-parent = <&gpio3>;
+ interrupts = <RK_PB5 IRQ_TYPE_EDGE_RISING>;
+ irq-gpios = <&gpio3 RK_PB5 GPIO_ACTIVE_HIGH>;
+ reset-gpios = <&gpio3 RK_PB4 GPIO_ACTIVE_HIGH>;
+ AVDD28-supply = <&vcc3v0_touch>;
+ VDDIO-supply = <&vcc3v0_touch>;
+ touchscreen-size-x = <720>;
+ touchscreen-size-y = <1440>;
+ };
+};
+
&cluster0_opp {
opp04 {
status = "disabled";
--
2.40.0