linux-kernel - [PATCH v3 12/12] arm64: dts: renesas: rzg3s-smarc: Enable USB support

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Message-ID: <20250521140943.3830195-13-claudiu.beznea.uj@bp.renesas.com>
Date: Wed, 21 May 2025 17:09:43 +0300
From: Claudiu <claudiu.beznea@...on.dev>
To: vkoul@...nel.org,
	kishon@...nel.org,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	p.zabel@...gutronix.de,
	geert+renesas@...der.be,
	magnus.damm@...il.com,
	yoshihiro.shimoda.uh@...esas.com,
	kees@...nel.org,
	gustavoars@...nel.org,
	biju.das.jz@...renesas.com
Cc: claudiu.beznea@...on.dev,
	linux-phy@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org,
	linux-hardening@...r.kernel.org,
	john.madieu.xa@...renesas.com,
	Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
Subject: [PATCH v3 12/12] arm64: dts: renesas: rzg3s-smarc: Enable USB support

From: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>

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

Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
---

Changes in v3:
- collected tags

Changes in v2:
- this was patch 15/16 in v1:
- dropped sysc enablement as it is now done in SoC dtsi file

 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 5e044a4d0234..5586dd43c4d5 100644
--- a/arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi
@@ -92,6 +92,20 @@ &audio_clk2 {
 	clock-frequency = <12288000>;
 };
 
+&ehci0 {
+	dr_mode = "otg";
+	status = "okay";
+};
+
+&ehci1 {
+	status = "okay";
+};
+
+&hsusb {
+	dr_mode = "otg";
+	status = "okay";
+};
+
 &i2c0 {
 	status = "okay";
 
@@ -132,6 +146,15 @@ power-monitor@44 {
 	};
 };
 
+&ohci0 {
+	dr_mode = "otg";
+	status = "okay";
+};
+
+&ohci1 {
+	status = "okay";
+};
+
 &pinctrl {
 	audio_clock_pins: audio-clock {
 		pins = "AUDIO_CLK1", "AUDIO_CLK2";
@@ -207,6 +230,27 @@ ssi3_pins: ssi3 {
 			 <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 */
+	};
+};
+
+&phyrst {
+	status = "okay";
 };
 
 &scif0 {
@@ -242,3 +286,16 @@ &ssi3 {
 	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";
+};
-- 
2.43.0