From 0926e6e69852a450dc2f6e3f8412ae58f773e29b Mon Sep 17 00:00:00 2001
From: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Date: Thu, 23 Oct 2025 16:58:10 +0300
Subject: [PATCH] arm64: dts: renesas: rzg3s-smarc: Enable USB support

Enable USB support (host, device, USB PHYs).

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Link: https://patch.msgid.link/20251023135810.1688415-8-claudiu.beznea.uj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
 arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi | 57 ++++++++++++++++++++
 1 file changed, 57 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi b/arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi
index 5e044a4d02343..6b0bb2c441af5 100644
--- a/arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi
@@ -92,6 +92,20 @@
 	clock-frequency = <12288000>;
 };
 
+&ehci0 {
+	dr_mode = "otg";
+	status = "okay";
+};
+
+&ehci1 {
+	status = "okay";
+};
+
+&hsusb {
+	dr_mode = "otg";
+	status = "okay";
+};
+
 &i2c0 {
 	status = "okay";
 
@@ -132,6 +146,19 @@
 	};
 };
 
+&ohci0 {
+	dr_mode = "otg";
+	status = "okay";
+};
+
+&ohci1 {
+	status = "okay";
+};
+
+&phyrst {
+	status = "okay";
+};
+
 &pinctrl {
 	audio_clock_pins: audio-clock {
 		pins = "AUDIO_CLK1", "AUDIO_CLK2";
@@ -207,6 +234,23 @@
 			 <RZG2L_PORT_PINMUX(18, 4, 8)>, /* TXD */
 			 <RZG2L_PORT_PINMUX(18, 5, 8)>; /* RXD */
 	};
+
+	usb0_pins: usb0 {
+		peri {
+			pinmux = <RZG2L_PORT_PINMUX(5, 0, 1)>, /* VBUS */
+				 <RZG2L_PORT_PINMUX(5, 2, 1)>; /* OVC */
+		};
+
+		otg {
+			pinmux = <RZG2L_PORT_PINMUX(5, 3, 1)>; /* OTG_ID */
+			bias-pull-up;
+		};
+	};
+
+	usb1_pins: usb1 {
+		pinmux = <RZG2L_PORT_PINMUX(5, 4, 5)>, /* OVC */
+			 <RZG2L_PORT_PINMUX(6, 0, 1)>; /* VBUS */
+	};
 };
 
 &scif0 {
@@ -242,3 +286,16 @@
 	pinctrl-0 = <&ssi3_pins>, <&audio_clock_pins>;
 	status = "okay";
 };
+
+&usb2_phy0 {
+	pinctrl-0 = <&usb0_pins>;
+	pinctrl-names = "default";
+	vbus-supply = <&usb0_vbus_otg>;
+	status = "okay";
+};
+
+&usb2_phy1 {
+	pinctrl-0 = <&usb1_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+};
-- 
2.47.3