linux-kernel - [PATCH v2] riscv: dts: starfive: fml13v01: enable USB 3.0 port

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Message-Id: <20250221055857.481992-1-sandie.cao@deepcomputing.io>
Date: Fri, 21 Feb 2025 13:58:57 +0800
From: "Sandie Cao" <sandie.cao@...pcomputing.io>
To: "Emil Renner Berthing" <kernel@...il.dk>, 
	"Conor Dooley" <conor@...nel.org>, "Rob Herring" <robh@...nel.org>, 
	"Krzysztof Kozlowski" <krzk+dt@...nel.org>
Cc: "Paul Walmsley" <paul.walmsley@...ive.com>, 
	"Palmer Dabbelt" <palmer@...belt.com>, 
	"Albert Ou" <aou@...s.berkeley.edu>, <linux-riscv@...ts.infradead.org>, 
	<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>, 
	<sandie.cao@...pcomputing.io>
Subject: [PATCH v2] riscv: dts: starfive: fml13v01: enable USB 3.0 port

Add usb_cdns3 and usb0_pins configuration to support super speed USB 
device on the FML13V01 board.

Signed-off-by: Sandie Cao <sandie.cao@...pcomputing.io>
---

Changes in v2:
- Remove space to pass checkpatch.pl.
- Add usb0_pins and pass test on board.

 .../jh7110-deepcomputing-fml13v01.dts         | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/arch/riscv/boot/dts/starfive/jh7110-deepcomputing-fml13v01.dts b/arch/riscv/boot/dts/starfive/jh7110-deepcomputing-fml13v01.dts
index 8d9ce8b69a71..f2857d021d68 100644
--- a/arch/riscv/boot/dts/starfive/jh7110-deepcomputing-fml13v01.dts
+++ b/arch/riscv/boot/dts/starfive/jh7110-deepcomputing-fml13v01.dts
@@ -43,9 +43,28 @@ GPOEN_DISABLE,
 			slew-rate = <0>;
 		};
 	};
+
+	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 = "host";
+	pinctrl-names = "default";
+	pinctrl-0 = <&usb0_pins>;
 	status = "okay";
 };
+
+&usb_cdns3 {
+	phys = <&usbphy0>, <&pciephy0>;
+	phy-names = "cdns3,usb2-phy", "cdns3,usb3-phy";
+};

base-commit: 38818f7c9c179351334b1faffc4d40bd28cc9c72
-- 
2.34.1