[PATCH 4/4] arm64: dts: renesas: r9a09g056n48-rzv2n-evk: Enable USB3.0 PHY and xHCI controller

From: Prabhakar

Date: Wed Nov 19 2025 - 06:05:19 EST


From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>

Enable the USB3.0 (CH0) host controllers on the RZ/V2N Evaluation Kit.
The CN4 connector on the EVK provides access to the USB3.0 channel.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
---
.../boot/dts/renesas/r9a09g056n48-rzv2n-evk.dts | 15 +++++++++++++++
1 file changed, 15 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r9a09g056n48-rzv2n-evk.dts b/arch/arm64/boot/dts/renesas/r9a09g056n48-rzv2n-evk.dts
index b77276489b30..9fd904787c30 100644
--- a/arch/arm64/boot/dts/renesas/r9a09g056n48-rzv2n-evk.dts
+++ b/arch/arm64/boot/dts/renesas/r9a09g056n48-rzv2n-evk.dts
@@ -460,6 +460,11 @@ vbus {
};
};

+ usb3_pins: usb3 {
+ pinmux = <RZV2N_PORT_PINMUX(B, 0, 14)>, /* USB30_VBUSEN */
+ <RZV2N_PORT_PINMUX(B, 1, 14)>; /* USB30_OVRCURN */
+ };
+
xspi_pins: xspi0 {
ctrl {
pins = "XSPI0_RESET0N", "XSPI0_CS0N", "XSPI0_CKP";
@@ -510,10 +515,20 @@ &usb2_phy0 {
status = "okay";
};

+&usb3_phy {
+ status = "okay";
+};
+
&wdt1 {
status = "okay";
};

+&xhci {
+ pinctrl-0 = <&usb3_pins>;
+ pinctrl-names = "default";
+ status = "okay";
+};
+
&xspi {
pinctrl-0 = <&xspi_pins>;
pinctrl-names = "default";
--
2.51.2