arm64: dts: rockchip: add the touchscreen controller to rk3568-evb1-v10

The Rockchip RK3568 EVB1 comes with a mounted touch display featuring
a Goodix GT1158 touch controller (according to the product ID register).

Signed-off-by: Michael Riesch <michael.riesch@wolfvision.net>
Link: https://lore.kernel.org/r/20220129162440.5415-2-michael.riesch@wolfvision.net
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts b/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts
index 197aaf7ee348d9beeb6584952012370f6b55a944..d8c20a23e8560579379070a31fd867d2b6e184a1 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts
@@ -330,6 +330,23 @@
        };
 };
 
+&i2c1 {
+       status = "okay";
+
+       touchscreen0: goodix@14 {
+               compatible = "goodix,gt1151";
+               reg = <0x14>;
+               interrupt-parent = <&gpio0>;
+               interrupts = <RK_PB5 IRQ_TYPE_EDGE_FALLING>;
+               AVDD28-supply = <&vcc3v3_lcd0_n>;
+               irq-gpios = <&gpio0 RK_PB5 GPIO_ACTIVE_HIGH>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&touch_int &touch_rst>;
+               reset-gpios = <&gpio0 RK_PB6 GPIO_ACTIVE_HIGH>;
+               VDDIO-supply = <&vcc3v3_lcd0_n>;
+       };
+};
+
 &mdio0 {
        rgmii_phy0: ethernet-phy@0 {
                compatible = "ethernet-phy-ieee802.3-c22";
@@ -366,6 +383,15 @@
                                <0 RK_PA3 RK_FUNC_GPIO &pcfg_pull_up>;
                };
        };
+
+       touchscreen {
+               touch_int: touch_int {
+                       rockchip,pins = <0 RK_PB5 RK_FUNC_GPIO &pcfg_pull_up>;
+               };
+               touch_rst: touch_rst {
+                       rockchip,pins = <0 RK_PB6 RK_FUNC_GPIO &pcfg_pull_none>;
+               };
+       };
 };
 
 &pmu_io_domains {