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

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Message-ID: <20241118034558.43226-4-e@freeshell.de>
Date: Sun, 17 Nov 2024 19:45:09 -0800
From: E Shattow <e@...eshell.de>
To: Jisheng Zhang <jszhang@...nel.org>
Cc: E Shattow <e@...eshell.de>,
	Emil Renner Berthing <kernel@...il.dk>,
	Conor Dooley <conor@...nel.org>,
	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 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   | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/arch/riscv/boot/dts/starfive/jh7110-milkv-mars.dts b/arch/riscv/boot/dts/starfive/jh7110-milkv-mars.dts
index 5cb9e99e1dac..45d4f7556521 100644
--- a/arch/riscv/boot/dts/starfive/jh7110-milkv-mars.dts
+++ b/arch/riscv/boot/dts/starfive/jh7110-milkv-mars.dts
@@ -35,3 +35,24 @@ &phy0 {
 	rx-internal-delay-ps = <1500>;
 	tx-internal-delay-ps = <1500>;
 };
+
+&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 = "host";
+        pinctrl-names = "default";
+        pinctrl-0 = <&usb0_pins>;
+        status = "okay";
+};
-- 
2.45.2