linux-kernel - [PATCH 3/3] arm64: dts: mediatek: mt8183-pumpkin: add USB host support

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Message-Id: <20211110192417.4177741-3-fparent@baylibre.com>
Date:   Wed, 10 Nov 2021 20:24:17 +0100
From:   Fabien Parent <fparent@...libre.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>
Cc:     Fabien Parent <fparent@...libre.com>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH 3/3] arm64: dts: mediatek: mt8183-pumpkin: add USB host support

The MT8183 Pumpkin board provides USB host support through 2 type-A
ports. In addition the board provides Ethernet support
with the LAN9512 IP connected on the USB bus.

Signed-off-by: Fabien Parent <fparent@...libre.com>
---
 .../boot/dts/mediatek/mt8183-pumpkin.dts      | 26 +++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8183-pumpkin.dts b/arch/arm64/boot/dts/mediatek/mt8183-pumpkin.dts
index d5a6628e9c5b..541b382c0e81 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183-pumpkin.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8183-pumpkin.dts
@@ -434,6 +434,18 @@ pins_gpio {
 				 <PINMUX_GPIO28__FUNC_GPIO28>;
 		};
 	};
+
+	usb_pins: usb-pins {
+		pins_usb {
+			pinmux = <PINMUX_GPIO42__FUNC_GPIO42>;
+			output-low;
+		};
+
+		pins_hub_rst {
+			pinmux = <PINMUX_GPIO9__FUNC_GPIO9>;
+			output-low;
+		};
+	};
 };
 
 &mfg {
@@ -496,3 +508,17 @@ dpi_out: endpoint {
 		};
 	};
 };
+
+&ssusb {
+	pinctrl-names = "default";
+	pinctrl-0 = <&usb_pins>;
+	maximum-speed = "high-speed";
+	dr_mode = "host";
+	vusb33-supply = <&mt6358_vusb_reg>;
+	status = "okay";
+};
+
+&usb_host {
+	vusb33-supply = <&mt6358_vusb_reg>;
+	status = "okay";
+};
-- 
2.33.1