arm64: dts: rockchip: Add Touch to Anbernic RG-ARC D

Add the Goodix GT927 touchscreen to the Anbernic RG-ARC D.

Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Tested-by: Trooper_Max <troopermax@gmail.com>
Link: https://lore.kernel.org/r/20240201150620.886786-1-macroalpha82@gmail.com
[renamed node to generic touchscreen@14]
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm64/boot/dts/rockchip/rk3566-anbernic-rg-arc-d.dts b/arch/arm64/boot/dts/rockchip/rk3566-anbernic-rg-arc-d.dts
index 795fbed..ab83e8a 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/rk3566-anbernic-rg-arc-d.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3566-anbernic-rg-arc-d.dts
@@ -19,14 +19,32 @@
        };
 };
 
-/*
- * Unknown Goodix touchscreen at i2c2 0x14. Needs testing before it's
- * enabled.
- */
 &i2c2 {
        pinctrl-0 = <&i2c2m1_xfer>;
        pinctrl-names = "default";
        status = "okay";
+
+       touchscreen@14 {
+               compatible = "goodix,gt927";
+               reg = <0x14>;
+               interrupt-parent = <&gpio4>;
+               interrupts = <RK_PB1 IRQ_TYPE_EDGE_FALLING>;
+               irq-gpios = <&gpio4 RK_PB1 GPIO_ACTIVE_HIGH>;
+               pinctrl-0 = <&touch_int>;
+               pinctrl-names = "default";
+               reset-gpios = <&gpio4 RK_PA6 GPIO_ACTIVE_HIGH>;
+               touchscreen-inverted-y;
+               touchscreen-size-x = <640>;
+               touchscreen-size-y = <480>;
+       };
+};
+
+&pinctrl {
+       touchscreen {
+               touch_int: touch_int {
+                       rockchip,pins = <4 RK_PB1 RK_FUNC_GPIO &pcfg_pull_up>;
+               };
+       };
 };
 
 &sdhci {