[PATCH 3/4] ARM: dts: rockchip: rk3588-rock-5b-u-boot: add USB3 support

[Eugen Hristev]

Enable the USB3.0 host node, and gadget node.
The gadget is available through the USB type C connector on the board.
The connector is tied to a Fairchild fusb302b device, which currently
does not have a driver in U-boot, but the node is here for correct
description of the board + Linux future compatibility.
It will be easier to move the node as-is when it will be available
in the DT from Linux

Signed-off-by: Eugen Hristev <eugen.hristev at collabora.com>
---
 arch/arm/dts/rk3588-rock-5b-u-boot.dtsi | 197 ++++++++++++++++++++++++
 1 file changed, 197 insertions(+)

diff --git a/arch/arm/dts/rk3588-rock-5b-u-boot.dtsi b/arch/arm/dts/rk3588-rock-5b-u-boot.dtsi
index 1cd8a57a6fa6..5a3292699640 100644
--- a/arch/arm/dts/rk3588-rock-5b-u-boot.dtsi
+++ b/arch/arm/dts/rk3588-rock-5b-u-boot.dtsi
@@ -7,6 +7,7 @@
 #include <dt-bindings/pinctrl/rockchip.h>
 #include <dt-bindings/input/input.h>
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/usb/pd.h>
 
 / {
 	aliases {
@@ -18,6 +19,25 @@
 		u-boot,spl-boot-order = "same-as-spl", &sdmmc, &sdhci;
 	};
 
+	vcc12v_dcin: vcc12v-dcin-regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc12v_dcin";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <12000000>;
+		regulator-max-microvolt = <12000000>;
+	};
+
+	vcc5v0_usbdcin: vcc5v0-usbdcin {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc5v0_usbdcin";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		vin-supply = <&vcc12v_dcin>;
+	};
+
 	vcc5v0_host: vcc5v0-host-regulator {
 		compatible = "regulator-fixed";
 		regulator-name = "vcc5v0_host";
@@ -29,6 +49,28 @@
 		pinctrl-0 = <&vcc5v0_host_en>;
 		vin-supply = <&vcc5v0_sys>;
 	};
+
+	vcc5v0_usb: vcc5v0-usb {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc5v0_usb";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		vin-supply = <&vcc5v0_usbdcin>;
+	};
+
+	vbus5v0_typec: vbus5v0-typec {
+		compatible = "regulator-fixed";
+		regulator-name = "vbus5v0_typec";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		enable-active-high;
+		gpio = <&gpio2 RK_PB6 GPIO_ACTIVE_HIGH>;
+		vin-supply = <&vcc5v0_usb>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&typec5v_pwren>;
+	};
 };
 
 &combphy0_ps {
@@ -85,6 +127,16 @@
 			rockchip,pins = <4 RK_PB0 RK_FUNC_GPIO &pcfg_pull_none>;
 		};
 	};
+
+	usb-typec {
+		usbc0_int: usbc0-int {
+			rockchip,pins = <3 RK_PB4 RK_FUNC_GPIO &pcfg_pull_up>;
+		};
+
+		typec5v_pwren: typec5v-pwren {
+			rockchip,pins = <2 RK_PB6 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
 };
 
 &pcfg_pull_none {
@@ -168,6 +220,15 @@
 	status = "okay";
 };
 
+&u2phy0 {
+	status = "okay";
+};
+
+&u2phy0_otg {
+	rockchip,typec-vbus-det;
+	status = "okay";
+};
+
 &u2phy2 {
 	resets = <&cru SRST_OTGPHY_U2_0>, <&cru SRST_P_USB2PHY_U2_0_GRF0>;
 	reset-names = "phy", "apb";
@@ -209,3 +270,139 @@
 	status = "okay";
 };
 
+&usbdp_phy0 {
+	orientation-switch;
+	svid = <0xff01>;
+	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 at 0 {
+			reg = <0>;
+			remote-endpoint = <&usbc0_orien_sw>;
+		};
+
+		usbdp_phy0_dp_altmode_mux: endpoint at 1 {
+			reg = <1>;
+			remote-endpoint = <&dp_altmode_mux>;
+		};
+	};
+};
+
+&usbdp_phy0_u3 {
+	status = "okay";
+};
+
+&usbdrd3_0 {
+	status = "okay";
+};
+
+&usbdrd_dwc3_0 {
+	dr_mode = "otg";
+	usb-role-switch;
+
+	port {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		dwc3_0_role_switch: endpoint at 0 {
+			reg = <0>;
+			remote-endpoint = <&usbc0_role_sw>;
+		};
+	};
+};
+
+&usbdp_phy1 {
+	rockchip,dp-lane-mux = <2 3>;
+	status = "okay";
+};
+
+&usbdp_phy1_u3 {
+	status = "okay";
+};
+
+&usbdrd3_1 {
+	status = "okay";
+};
+
+&u2phy1 {
+	status = "okay";
+};
+
+&u2phy1_otg {
+	status = "okay";
+};
+
+&i2c4 {
+	pinctrl-0 = <&i2c4m1_xfer>;
+	status = "okay";
+
+	usbc0: fusb302 at 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";
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port at 0 {
+				reg = <0>;
+				usbc0_role_sw: endpoint at 0 {
+					remote-endpoint = <&dwc3_0_role_switch>;
+				};
+			};
+		};
+
+		usb_con: connector {
+			compatible = "usb-c-connector";
+			label = "USB-C";
+			data-role = "dual";
+			power-role = "dual";
+			try-power-role = "sink";
+			op-sink-microwatt = <1000000>;
+			sink-pdos =
+				<PDO_FIXED(5000, 1000, PDO_FIXED_USB_COMM)>;
+			source-pdos =
+				<PDO_FIXED(5000, 3000, PDO_FIXED_USB_COMM)>;
+
+			altmodes {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				altmode at 0 {
+					reg = <0>;
+					svid = <0xff01>;
+					vdo = <0xffffffff>;
+				};
+			};
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				port at 0 {
+					reg = <0>;
+					usbc0_orien_sw: endpoint {
+						remote-endpoint = <&usbdp_phy0_orientation_switch>;
+					};
+				};
+
+				port at 1 {
+					reg = <1>;
+					dp_altmode_mux: endpoint {
+						remote-endpoint = <&usbdp_phy0_dp_altmode_mux>;
+					};
+				};
+			};
+		};
+	};
+};
+
-- 
2.34.1