linux-kernel - [PATCH v4 1/1] riscv: dts: starfive: jh7110-milkv-mars: enable usb0 host function

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Message-ID: <20241119014449.49936-2-e@freeshell.de>
Date: Mon, 18 Nov 2024 17:44:35 -0800
From: E Shattow <e@...eshell.de>
To: Jisheng Zhang <jszhang@...nel.org>
Cc: E Shattow <e@...eshell.de>,
	Conor Dooley <conor@...nel.org>,
	Emil Renner Berthing <kernel@...il.dk>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	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
Subject: [PATCH v4 1/1] riscv: dts: starfive: jh7110-milkv-mars: enable usb0 host function

Milk-V Mars set host mode and vbus pin for JH7110 on-chip USB 2.0

Signed-off-by: E Shattow <e@...eshell.de>
---
 .../boot/dts/starfive/jh7110-milkv-mars.dts    | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

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";
 };
-- 
2.45.2