From b37146b5a555dd871cb0805446826ab2fc8d285a Mon Sep 17 00:00:00 2001
From: Sebastian Reichel <sebastian.reichel@collabora.com>
Date: Tue, 9 Apr 2024 00:50:35 +0200
Subject: [PATCH] arm64: dts: rockchip: add USB3 to rk3588-evb1

Add support for the board's USB3 connectors. It has 1x USB Type-A
and 1x USB Type-C.

Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20240408225109.128953-9-sebastian.reichel@collabora.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
---
 .../boot/dts/rockchip/rk3588-evb1-v10.dts     | 147 ++++++++++++++++++
 1 file changed, 147 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts b/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts
index 56c019b25fa85..7be2190244baf 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts
@@ -9,6 +9,7 @@
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/input/input.h>
 #include <dt-bindings/pinctrl/rockchip.h>
+#include <dt-bindings/usb/pd.h>
 #include "rk3588.dtsi"
 
 / {
@@ -159,6 +160,18 @@
 		vin-supply = <&avcc_1v8_s0>;
 	};
 
+	vbus5v0_typec: vbus5v0-typec-regulator {
+		compatible = "regulator-fixed";
+		enable-active-high;
+		gpio = <&gpio4 RK_PD0 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&typec5v_pwren>;
+		regulator-name = "vbus5v0_typec";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		vin-supply = <&vcc5v0_usb>;
+	};
+
 	vcc12v_dcin: vcc12v-dcin-regulator {
 		compatible = "regulator-fixed";
 		regulator-name = "vcc12v_dcin";
@@ -290,6 +303,59 @@
 &i2c2 {
 	status = "okay";
 
+	usbc0: usb-typec@22 {
+		compatible = "fcs,fusb302";
+		reg = <0x22>;
+		interrupt-parent = <&gpio3>;
+		interrupts = <RK_PB4 IRQ_TYPE_LEVEL_LOW>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&usbc0_int>;
+		vbus-supply = <&vbus5v0_typec>;
+		status = "okay";
+
+		usb_con: connector {
+			compatible = "usb-c-connector";
+			label = "USB-C";
+			data-role = "dual";
+			op-sink-microwatt = <1000000>;
+			power-role = "dual";
+			sink-pdos =
+				<PDO_FIXED(5000, 1000, PDO_FIXED_USB_COMM)>;
+			source-pdos =
+				<PDO_FIXED(5000, 3000, PDO_FIXED_USB_COMM)>;
+			try-power-role = "source";
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				port@0 {
+					reg = <0>;
+
+					usbc0_orien_sw: endpoint {
+						remote-endpoint = <&usbdp_phy0_orientation_switch>;
+					};
+				};
+
+				port@1 {
+					reg = <1>;
+
+					usbc0_role_sw: endpoint {
+						remote-endpoint = <&dwc3_0_role_switch>;
+					};
+				};
+
+				port@2 {
+					reg = <2>;
+
+					dp_altmode_mux: endpoint {
+						remote-endpoint = <&usbdp_phy0_dp_altmode_mux>;
+					};
+				};
+			};
+		};
+	};
+
 	hym8563: rtc@51 {
 		compatible = "haoyu,hym8563";
 		reg = <0x51>;
@@ -416,6 +482,16 @@
 			rockchip,pins = <4 RK_PB0 RK_FUNC_GPIO &pcfg_pull_none>;
 		};
 	};
+
+	usb-typec {
+		typec5v_pwren: typec5v-pwren {
+			rockchip,pins = <4 RK_PD0 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+
+		usbc0_int: usbc0-int {
+			rockchip,pins = <3 RK_PB4 RK_FUNC_GPIO &pcfg_pull_up>;
+		};
+	};
 };
 
 &pwm2 {
@@ -1055,6 +1131,22 @@
 	status = "okay";
 };
 
+&u2phy0 {
+	status = "okay";
+};
+
+&u2phy0_otg {
+	status = "okay";
+};
+
+&u2phy1 {
+	status = "okay";
+};
+
+&u2phy1_otg {
+	status = "okay";
+};
+
 &u2phy2 {
 	status = "okay";
 };
@@ -1093,3 +1185,58 @@
 &usb_host1_ohci {
 	status = "okay";
 };
+
+&usbdp_phy0 {
+	mode-switch;
+	orientation-switch;
+	sbu1-dc-gpios = <&gpio4 RK_PA6 GPIO_ACTIVE_HIGH>;
+	sbu2-dc-gpios = <&gpio4 RK_PA7 GPIO_ACTIVE_HIGH>;
+	status = "okay";
+
+	port {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		usbdp_phy0_orientation_switch: endpoint@0 {
+			reg = <0>;
+			remote-endpoint = <&usbc0_orien_sw>;
+		};
+
+		usbdp_phy0_dp_altmode_mux: endpoint@1 {
+			reg = <1>;
+			remote-endpoint = <&dp_altmode_mux>;
+		};
+	};
+};
+
+&usbdp_phy1 {
+	/*
+	 * USBDP PHY1 is wired to a female USB3 Type-A connector. Additionally
+	 * the differential pairs 2+3 and the aux channel are wired to a RTD2166,
+	 * which converts the DP signal into VGA. This is exposed on the
+	 * board via a female VGA connector.
+	 */
+	rockchip,dp-lane-mux = <2 3>;
+	status = "okay";
+};
+
+&usb_host0_xhci {
+	dr_mode = "otg";
+	usb-role-switch;
+	status = "okay";
+
+	port {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		dwc3_0_role_switch: endpoint@0 {
+			reg = <0>;
+			remote-endpoint = <&usbc0_role_sw>;
+		};
+	};
+};
+
+&usb_host1_xhci {
+	dr_mode = "host";
+	status = "okay";
+};
-- 
2.30.2