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.netSigned-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts

@@ -330,6 +330,23 @@ regulator-state-mem {
 	};
 };
 
+&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 @@ pmic_int: pmic_int {
 				<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 {