[PATCH 10/11] arm64: dts: renesas: r9a09g047e57-smarc: Enable USB3HOST

From: Biju
Date: Wed Aug 20 2025 - 13:25:56 EST


From: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>

Enable USB3.2 Gen2 Host controller(a.k.a USB3HOST) on the RZ/G3E SMARC EVK
platform.

Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/renesas/r9a09g047e57-smarc.dts | 10 ++++++++++
arch/arm64/boot/dts/renesas/renesas-smarc2.dtsi | 8 ++++++++
2 files changed, 18 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r9a09g047e57-smarc.dts b/arch/arm64/boot/dts/renesas/r9a09g047e57-smarc.dts
index 08e814c03fa8..0fd90d79b020 100644
--- a/arch/arm64/boot/dts/renesas/r9a09g047e57-smarc.dts
+++ b/arch/arm64/boot/dts/renesas/r9a09g047e57-smarc.dts
@@ -164,6 +164,11 @@ sd1-data {
<RZG3E_PORT_PINMUX(G, 5, 1)>; /* SD1DAT3 */
};
};
+
+ usb3_pins: usb3 {
+ pinmux = <RZG3E_PORT_PINMUX(4, 1, 12)>, /* USB30_VBUSEN */
+ <RZG3E_PORT_PINMUX(4, 0, 12)>; /* USB30_OVRCURN */
+ };
};

&scif0 {
@@ -179,3 +184,8 @@ &sdhi1 {
vmmc-supply = <&reg_3p3v>;
vqmmc-supply = <&vqmmc_sd1_pvdd>;
};
+
+&xhci {
+ pinctrl-0 = <&usb3_pins>;
+ pinctrl-names = "default";
+};
diff --git a/arch/arm64/boot/dts/renesas/renesas-smarc2.dtsi b/arch/arm64/boot/dts/renesas/renesas-smarc2.dtsi
index 58561da3007a..8b3765b8267d 100644
--- a/arch/arm64/boot/dts/renesas/renesas-smarc2.dtsi
+++ b/arch/arm64/boot/dts/renesas/renesas-smarc2.dtsi
@@ -106,3 +106,11 @@ &sdhi1 {

status = "okay";
};
+
+&usb3_phy {
+ status = "okay";
+};
+
+&xhci {
+ status = "okay";
+};
--
2.43.0