linux-kernel - [PATCH 2/2] arm64: dts: rockchip: pinenote: Add USB and TCPC

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Message-Id: <20220413035614.31045-3-samuel@sholland.org>
Date:   Tue, 12 Apr 2022 22:56:14 -0500
From:   Samuel Holland <samuel@...lland.org>
To:     Heiko Stuebner <heiko@...ech.de>,
        linux-rockchip@...ts.infradead.org
Cc:     Samuel Holland <samuel@...lland.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] arm64: dts: rockchip: pinenote: Add USB and TCPC

PineNote has a USB Type-C port connected to the first USB 2.0 OTG PHY
and XHCI controller via a Willsemi WUSB3801 Type-C port controller.
Add support for it.

Signed-off-by: Samuel Holland <samuel@...lland.org>
---

 .../boot/dts/rockchip/rk3566-pinenote.dtsi    | 58 +++++++++++++++++++
 1 file changed, 58 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3566-pinenote.dtsi b/arch/arm64/boot/dts/rockchip/rk3566-pinenote.dtsi
index adc0e7d39fb3..e01668e6e5f9 100644
--- a/arch/arm64/boot/dts/rockchip/rk3566-pinenote.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3566-pinenote.dtsi
@@ -466,6 +466,39 @@ led@1 {
 			default-brightness = <0>;
 		};
 	};
+
+	wusb3801: tcpc@60 {
+		compatible = "willsemi,wusb3801";
+		reg = <0x60>;
+		interrupt-parent = <&gpio0>;
+		interrupts = <RK_PA4 IRQ_TYPE_LEVEL_LOW>;
+		pinctrl-0 = <&tcpc_int_l>;
+		pinctrl-names = "default";
+
+		connector {
+			compatible = "usb-c-connector";
+			label = "USB-C";
+			vbus-supply = <&otg_switch>;
+			power-role = "dual";
+			try-power-role = "sink";
+			data-role = "dual";
+			typec-power-opmode = "default";
+			pd-disable;
+
+			ports {
+				#address-cells = <0x1>;
+				#size-cells = <0x0>;
+
+				port@0 {
+					reg = <0x0>;
+
+					typec_hs_usb2phy0: endpoint {
+						remote-endpoint = <&usb2phy0_typec_hs>;
+					};
+				};
+			};
+		};
+	};
 };
 
 &i2c5 {
@@ -572,6 +605,12 @@ wifi_enable_h: wifi-enable-h {
 		};
 	};
 
+	tcpc {
+		tcpc_int_l: tcpc-int-l {
+			rockchip,pins = <0 RK_PA4 RK_FUNC_GPIO &pcfg_pull_up>;
+		};
+	};
+
 	vcc-wl {
 		vcc_wl_pin: vcc-wl-pin {
 			rockchip,pins = <0 RK_PA0 RK_FUNC_GPIO &pcfg_pull_none>;
@@ -659,3 +698,22 @@ bluetooth {
 &uart2 {
 	status = "okay";
 };
+
+&usb_host0_xhci {
+	dr_mode = "otg";
+	status = "okay";
+};
+
+&usb2phy0 {
+	status = "okay";
+};
+
+&usb2phy0_otg {
+	status = "okay";
+
+	port {
+		usb2phy0_typec_hs: endpoint {
+			remote-endpoint = <&typec_hs_usb2phy0>;
+		};
+	};
+};
-- 
2.35.1