[PATCH 15/16] arm64: dts: renesas: rzg3s-smarc: Enable USB support

Claudiu claudiu.beznea at tuxon.dev
Thu Aug 22 08:28:00 PDT 2024


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

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

Signed-off-by: Claudiu Beznea <claudiu.beznea.uj at bp.renesas.com>
---
 arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi | 61 ++++++++++++++++++++
 1 file changed, 61 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi b/arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi
index deb2ad37bb2e..fd9355936803 100644
--- a/arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi
@@ -66,6 +66,29 @@ vccq_sdhi1: regulator-vccq-sdhi1 {
 	};
 };
 
+&ehci0 {
+	dr_mode = "otg";
+	status = "okay";
+};
+
+&ehci1 {
+	status = "okay";
+};
+
+&hsusb {
+	dr_mode = "otg";
+	status = "okay";
+};
+
+&ohci0 {
+	dr_mode = "otg";
+	status = "okay";
+};
+
+&ohci1 {
+	status = "okay";
+};
+
 &pinctrl {
 	key-1-gpio-hog {
 		gpio-hog;
@@ -124,6 +147,27 @@ cd {
 			pinmux = <RZG2L_PORT_PINMUX(0, 2, 1)>; /* SD1_CD */
 		};
 	};
+
+	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 {
@@ -144,3 +188,20 @@ &sdhi1 {
 	max-frequency = <125000000>;
 	status = "okay";
 };
+
+&sysc {
+	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";
+};
-- 
2.39.2




More information about the linux-arm-kernel mailing list