linux-kernel - [PATCH v1 1/5] arm64: dts: rockchip: Add USB-C to Khadas Edge 2

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Message-Id: <20240617030537.3112356-2-jacobe.zang@wesion.com>
Date: Mon, 17 Jun 2024 11:05:33 +0800
From: Jacobe Zang <jacobe.zang@...ion.com>
To: robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	heiko@...ech.de
Cc: nick@...das.com,
	efectn@...tonmail.com,
	jagan@...eble.ai,
	dsimic@...jaro.org,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Jacobe Zang <jacobe.zang@...ion.com>
Subject: [PATCH v1 1/5] arm64: dts: rockchip: Add USB-C to Khadas Edge 2

Khadas Edge 2 has 2x Type-C port. One just supports PD and
controlled by MCU. The other one supports PD, DP Alt mode and DRD. This
commit adds support for DRD.

Signed-off-by: Jacobe Zang <jacobe.zang@...ion.com>
---
 .../dts/rockchip/rk3588s-khadas-edge2.dts     | 118 ++++++++++++++++++
 1 file changed, 118 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3588s-khadas-edge2.dts b/arch/arm64/boot/dts/rockchip/rk3588s-khadas-edge2.dts
index dbddfc3bb4641..9c2678905d236 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588s-khadas-edge2.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588s-khadas-edge2.dts
@@ -6,6 +6,7 @@
 #include <dt-bindings/input/input.h>
 #include <dt-bindings/pinctrl/rockchip.h>
 #include <dt-bindings/leds/common.h>
+#include <dt-bindings/usb/pd.h>
 #include "rk3588s.dtsi"
 
 / {
@@ -112,6 +113,18 @@ vcc5v0_sys: vcc5v0-sys-regulator {
 		regulator-max-microvolt = <5000000>;
 	};
 
+	vbus5v0_typec: vbus5v0-typec-regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "vbus5v0_typec";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		enable-active-high;
+		gpio = <&gpio3 RK_PA4 GPIO_ACTIVE_HIGH>;
+		vin-supply = <&vcc5v0_sys>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&typec5v_pwren>;
+	};
+
 	vcc_1v1_nldo_s3: vcc-1v1-nldo-s3-regulator {
 		compatible = "regulator-fixed";
 		regulator-name = "vcc_1v1_nldo_s3";
@@ -224,6 +237,56 @@ regulator-state-mem {
 &i2c2 {
 	status = "okay";
 
+	usbc0: usb-typec@22 {
+		compatible = "fcs,fusb302";
+		reg = <0x22>;
+		interrupt-parent = <&gpio1>;
+		interrupts = <RK_PB5 IRQ_TYPE_LEVEL_LOW>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&usbc0_int>;
+		vbus-supply = <&vbus5v0_typec>;
+		status = "okay";
+
+		usb_con: connector {
+			compatible = "usb-c-connector";
+			label = "USB-C";
+			data-role = "dual";
+			power-role = "dual";
+			try-power-role = "source";
+			op-sink-microwatt = <1000000>;
+			sink-pdos = <PDO_FIXED(5000, 3000, PDO_FIXED_USB_COMM)
+			PDO_FIXED(9000, 3000, PDO_FIXED_USB_COMM)
+			PDO_FIXED(12000, 3000, PDO_FIXED_USB_COMM)>;
+			source-pdos = <PDO_FIXED(5000, 3000, PDO_FIXED_USB_COMM)>;
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				port@0 {
+						reg = <0>;
+						usbc0_orien_sw: endpoint {
+						remote-endpoint = <&usbdp_phy0_orientation_switch>;
+					};
+				};
+
+				port@1 {
+						reg = <1>;
+						usbc0_role_sw: endpoint {
+						remote-endpoint = <&dwc3_0_role_switch>;
+					};
+				};
+
+				port@2 {
+						reg = <2>;
+						dp_altmode_mux: endpoint {
+						remote-endpoint = <&usbdp_phy0_dp_altmode_mux>;
+					};
+				};
+			};
+		};
+	};
+
 	hym8563: rtc@51 {
 		compatible = "haoyu,hym8563";
 		reg = <0x51>;
@@ -256,6 +319,16 @@ vcc5v0_host_en: vcc5v0-host-en {
 		};
 	};
 
+	usb-typec {
+		usbc0_int: usbc0-int {
+			rockchip,pins = <1 RK_PB5 RK_FUNC_GPIO &pcfg_pull_up>;
+		};
+
+		typec5v_pwren: typec5v-pwren {
+			rockchip,pins = <3 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+
 	ir-receiver {
 		ir_receiver_pin: ir-receiver-pin {
 			rockchip,pins = <1  RK_PA7  RK_FUNC_GPIO  &pcfg_pull_none>;
@@ -681,6 +754,14 @@ &uart9 {
 	status = "okay";
 };
 
+&u2phy0 {
+	status = "okay";
+};
+
+&u2phy0_otg {
+	status = "okay";
+};
+
 &u2phy2 {
 	status = "okay";
 };
@@ -707,6 +788,43 @@ &usb_host0_ohci {
 	status = "okay";
 };
 
+&usbdp_phy0 {
+	orientation-switch;
+	mode-switch;
+	sbu1-dc-gpios = <&gpio4 RK_PA0 GPIO_ACTIVE_HIGH>;
+	sbu2-dc-gpios = <&gpio4 RK_PA1 GPIO_ACTIVE_HIGH>;
+	status = "okay";
+
+	port {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		usbdp_phy0_orientation_switch: endpoint@0 {
+			reg = <0>;
+			remote-endpoint = <&usbc0_orien_sw>;
+		};
+
+		usbdp_phy0_dp_altmode_mux: endpoint@1 {
+			reg = <1>;
+			remote-endpoint = <&dp_altmode_mux>;
+		};
+	};
+};
+
+&usb_host0_xhci {
+	usb-role-switch;
+	status = "okay";
+
+	port {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		dwc3_0_role_switch: endpoint@0 {
+		reg = <0>;
+		remote-endpoint = <&usbc0_role_sw>;
+		};
+	};
+};
+
 &usb_host1_ehci {
 	status = "okay";
 };
-- 
2.34.1