[v6,1/1] riscv: dts: starfive: jh7110-milkv-mars: enable usb0 host function

Commit Message

E Shattow Nov. 27, 2024, 3:49 p.m. UTC

Milk-V Mars board routes one of four USB-A ports to USB0 on the SoC
rather than to the VL805 USB 3.0 <-> PCIe chip.
Set JH7110 on-chip USB host mode and vbus pin assignment accordingly.

Reviewed-by: Emil Renner Berthing <[e-mail]>
Signed-off-by: E Shattow <[e-mail]>
---
 .../boot/dts/starfive/jh7110-milkv-mars.dts    | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

Patch

diff --git a/arch/riscv/boot/dts/starfive/jh7110-milkv-mars.dts b/arch/riscv/boot/dts/starfive/jh7110-milkv-mars.dts
index 0d248b671d4b..3bd62ab78523 100644
--- a/arch/riscv/boot/dts/starfive/jh7110-milkv-mars.dts
+++ b/arch/riscv/boot/dts/starfive/jh7110-milkv-mars.dts
@@ -53,7 +53,23 @@  &spi0 {
 	status = "okay";
 };
 
+&sysgpio {
+	usb0_pins: usb0-0 {
+		vbus-pins {
+			pinmux = <GPIOMUX(25, GPOUT_SYS_USB_DRIVE_VBUS,
+					      GPOEN_ENABLE,
+					      GPI_NONE)>;
+			bias-disable;
+			input-disable;
+			input-schmitt-disable;
+			slew-rate = <0>;
+		};
+	};
+};
+
 &usb0 {
-	dr_mode = "peripheral";
+	dr_mode = "host";
+	pinctrl-names = "default";
+	pinctrl-0 = <&usb0_pins>;
 	status = "okay";
 };