From 595f06c32dcb0188bd24856984e0f1adf2a7d2eb Mon Sep 17 00:00:00 2001
From: Chris Morgan <macromorgan@hotmail.com>
Date: Thu, 18 Apr 2024 12:36:27 -0500
Subject: [PATCH] arm64: dts: rockchip: Add USB-C Support for
 rk3588s-indiedroid-nova

Add support for the USB-C port on the Indiedroid Nova board. This
port supports USB-C DP Alt mode (not implemented yet in drivers),
but works as a USB XHCI/EHCI/OHCI port.

Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Link: https://lore.kernel.org/r/20240418173627.1368494-1-macroalpha82@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
---
 .../dts/rockchip/rk3588s-indiedroid-nova.dts  | 71 ++++++++++++++++++-
 1 file changed, 70 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/rockchip/rk3588s-indiedroid-nova.dts b/arch/arm64/boot/dts/rockchip/rk3588s-indiedroid-nova.dts
index ce8119cbb824..0acfac2313b1 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588s-indiedroid-nova.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588s-indiedroid-nova.dts
@@ -316,7 +316,7 @@
 		pinctrl-names = "default";
 		vbus-supply = <&vbus5v0_typec>;
 
-		connector {
+		usb_con: connector {
 			compatible = "usb-c-connector";
 			data-role = "dual";
 			label = "USB-C";
@@ -325,6 +325,32 @@
 			source-pdos = <PDO_FIXED(5000, 3000, PDO_FIXED_USB_COMM)>;
 			sink-pdos = <PDO_FIXED(5000, 1000, PDO_FIXED_USB_COMM)>;
 			op-sink-microwatt = <1000000>;
+
+			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>;
+					};
+				};
+			};
 		};
 	};
 
@@ -788,6 +814,14 @@
 	status = "okay";
 };
 
+&u2phy0 {
+	status = "okay";
+};
+
+&u2phy0_otg {
+	status = "okay";
+};
+
 &u2phy2 {
 	status = "okay";
 };
@@ -839,6 +873,17 @@
 	status = "okay";
 };
 
+&usb_host0_xhci {
+	usb-role-switch;
+	status = "okay";
+
+	port {
+		dwc3_0_role_switch: endpoint {
+			remote-endpoint = <&usbc0_role_sw>;
+		};
+	};
+};
+
 &usb_host1_ehci {
 	status = "okay";
 };
@@ -850,3 +895,27 @@
 &usb_host2_xhci {
 	status = "okay";
 };
+
+&usbdp_phy0 {
+	orientation-switch;
+	mode-switch;
+	sbu1-dc-gpios = <&gpio4 RK_PA0 GPIO_ACTIVE_HIGH>;
+	sbu2-dc-gpios = <&gpio4 RK_PA1 GPIO_ACTIVE_HIGH>;
+	rockchip,dp-lane-mux = <2 3>;
+	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>;
+		};
+	};
+};