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

From: Inochi Amaoto <inochiama@gmail.com>
To: Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Chen Wang <unicorn_wang@outlook.com>,
	Inochi Amaoto <inochiama@gmail.com>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	Alexandre Ghiti <alex@ghiti.fr>,
	Alexander Sverdlin <alexander.sverdlin@gmail.com>,
	Yu Yuan <yu.yuan@sjtu.edu.cn>, Yixun Lan <dlan@gentoo.org>,
	Ze Huang <huangze@whut.edu.cn>,
	Thomas Bonnefille <thomas.bonnefille@bootlin.com>
Cc: devicetree@vger.kernel.org, sophgo@lists.linux.dev,
	linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org,
	Longbin Li <looong.bin@gmail.com>
Subject: [PATCH RFC 3/3] riscv: dts: sophgo: Add USB support for cv18xx
Date: Wed, 11 Jun 2025 16:24:51 +0800	[thread overview]
Message-ID: <20250611082452.1218817-4-inochiama@gmail.com> (raw)
In-Reply-To: <20250611082452.1218817-1-inochiama@gmail.com>

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

Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
---
 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


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