From: Longbin Li <looong.bin@gmail.com>
Date: Sat, 1 Nov 2025 01:43:23 +0000 (+0800)
Subject: riscv: dts: sophgo: Add USB support for cv18xx
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=e307248a3c2df4432a7bbbde306ffcb33ec55898;p=thirdparty%2Fkernel%2Fstable.git

riscv: dts: sophgo: Add USB support for cv18xx

Add USB controller node for cv18xx and enable it for Huashan Pi, milkv-duo.

Co-developed-by: Inochi Amaoto <inochiama@gmail.com>
Signed-off-by: Longbin Li <looong.bin@gmail.com>
Tested-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
Link: https://lore.kernel.org/r/20251101014329.18439-4-looong.bin@gmail.com
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
Signed-off-by: Chen Wang <wangchen20@iscas.ac.cn>
---

diff --git a/arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts b/arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts
index 9feb520eaec4..0e6d79e6e3a4 100644
--- a/arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts
+++ b/arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts
@@ -100,3 +100,8 @@
 	pinctrl-names = "default";
 	status = "okay";
 };
+
+&usb {
+	dr_mode = "host";
+	status = "okay";
+};
diff --git a/arch/riscv/boot/dts/sophgo/cv180x.dtsi b/arch/riscv/boot/dts/sophgo/cv180x.dtsi
index 42303acb2b39..1b2b1969a648 100644
--- a/arch/riscv/boot/dts/sophgo/cv180x.dtsi
+++ b/arch/riscv/boot/dts/sophgo/cv180x.dtsi
@@ -432,6 +432,22 @@
 			status = "disabled";
 		};
 
+		usb: usb@4340000 {
+			compatible = "sophgo,cv1800b-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";
+			resets = <&rst RST_USB>;
+			reset-names = "dwc2";
+			status = "disabled";
+		};
+
 		rtc@5025000 {
 			compatible = "sophgo,cv1800b-rtc", "syscon";
 			reg = <0x5025000 0x2000>;
diff --git a/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts b/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts
index 4a5835fa9e96..aedf79f47407 100644
--- a/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts
+++ b/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts
@@ -86,3 +86,8 @@
 &uart0 {
 	status = "okay";
 };
+
+&usb {
+	dr_mode = "host";
+	status = "okay";
+};
diff --git a/arch/riscv/boot/dts/sophgo/sg2002-licheerv-nano-b.dts b/arch/riscv/boot/dts/sophgo/sg2002-licheerv-nano-b.dts
index 86a712b953a5..b1853770d017 100644
--- a/arch/riscv/boot/dts/sophgo/sg2002-licheerv-nano-b.dts
+++ b/arch/riscv/boot/dts/sophgo/sg2002-licheerv-nano-b.dts
@@ -93,3 +93,8 @@
 	pinctrl-names = "default";
 	status = "okay";
 };
+
+&usb {
+	dr_mode = "host";
+	status = "okay";
+};