From cbcd120394268c5b2781bca345e1631d551a3227 Mon Sep 17 00:00:00 2001
From: Biju Das <biju.das.jz@bp.renesas.com>
Date: Mon, 20 Sep 2021 19:29:54 +0100
Subject: [PATCH] arm64: dts: renesas: rzg2l-smarc: Enable USB2.0 support

Enable USB2.0 Host/Device support on RZ/G2L SMARC EVK.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20210920182955.13445-2-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
 arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi | 61 ++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi b/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi
index 0987163..7ecd4a3 100644
--- a/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi
@@ -17,17 +17,63 @@
 		bootargs = "ignore_loglevel";
 		stdout-path = "serial0:115200n8";
 	};
+
+	usb0_vbus_otg: regulator-usb0-vbus-otg {
+		compatible = "regulator-fixed";
+
+		regulator-name = "USB0_VBUS_OTG";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+	};
+};
+
+&ehci0 {
+	dr_mode = "otg";
+	status = "okay";
+};
+
+&ehci1 {
+	status = "okay";
 };
 
 &extal_clk {
 	clock-frequency = <24000000>;
 };
 
+&hsusb {
+	dr_mode = "otg";
+	status = "okay";
+};
+
+&ohci0 {
+	dr_mode = "otg";
+	status = "okay";
+};
+
+&ohci1 {
+	status = "okay";
+};
+
+&phyrst {
+	status = "okay";
+};
+
 &pinctrl {
 	scif0_pins: scif0 {
 		pinmux = <RZG2L_PORT_PINMUX(38, 0, 1)>,	/* TxD */
 			 <RZG2L_PORT_PINMUX(38, 1, 1)>;	/* RxD */
 	};
+
+	usb0_pins: usb0 {
+		pinmux = <RZG2L_PORT_PINMUX(4, 0, 1)>, /* VBUS */
+			 <RZG2L_PORT_PINMUX(5, 0, 1)>, /* OVC */
+			 <RZG2L_PORT_PINMUX(5, 1, 1)>; /* OTG_ID */
+	};
+
+	usb1_pins: usb1 {
+		pinmux = <RZG2L_PORT_PINMUX(42, 0, 1)>, /* VBUS */
+			 <RZG2L_PORT_PINMUX(42, 1, 1)>; /* OVC */
+	};
 };
 
 &scif0 {
@@ -35,3 +81,18 @@
 	pinctrl-names = "default";
 	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";
+};
-- 
2.7.4