[PATCH RFC 3/3] riscv: dts: sophgo: Add USB support for cv18xx

From: Inochi Amaoto
Date: Wed Jun 11 2025 - 04:26:51 EST


Add USB controller node for cv18xx and enable it for Huashan Pi.

Signed-off-by: Inochi Amaoto <inochiama@xxxxxxxxx>
---
arch/riscv/boot/dts/sophgo/cv180x.dtsi | 14 ++++++++++++++
arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts | 4 ++++
2 files changed, 18 insertions(+)

diff --git a/arch/riscv/boot/dts/sophgo/cv180x.dtsi b/arch/riscv/boot/dts/sophgo/cv180x.dtsi
index 65eceaa5d2f8..3ea3a1af103f 100644
--- a/arch/riscv/boot/dts/sophgo/cv180x.dtsi
+++ b/arch/riscv/boot/dts/sophgo/cv180x.dtsi
@@ -428,5 +428,19 @@ dmac: dma-controller@4330000 {
snps,data-width = <2>;
status = "disabled";
};
+
+ usb: usb@4340000 {
+ compatible = "sophgo,cv1800-usb";
+ reg = <0x04340000 0x10000>;
+ clocks = <&clk CLK_AXI4_USB>, <&clk CLK_APB_USB>;
+ clock-names = "otg", "utmi";
+ g-np-tx-fifo-size = <32>;
+ g-rx-fifo-size = <536>;
+ g-tx-fifo-size = <768 512 512 384 128 128>;
+ interrupts = <SOC_PERIPHERAL_IRQ(14) IRQ_TYPE_LEVEL_HIGH>;
+ phys = <&usbphy>;
+ phy-names = "usb2-phy";
+ status = "disabled";
+ };
};
};
diff --git a/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts b/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts
index c7181ad99f32..f5a800f488fc 100644
--- a/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts
+++ b/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts
@@ -88,3 +88,7 @@ &sdhci1 {
&uart0 {
status = "okay";
};
+
+&usb {
+ status = "okay";
+};
--
2.49.0