[PATCH 3/4] ARM: dts: rockchip: rk3588-rock-5b-u-boot: add USB3 support

[Kever Yang]

On 2023/5/29 18:01, Eugen Hristev wrote:
> Enable the USB3.0 host node, and gadget node.
> The gadget is available through the USB type C connector on the board.
> The connector is tied to a Fairchild fusb302b device, which currently
> does not have a driver in U-boot, but the node is here for correct
> description of the board + Linux future compatibility.
> It will be easier to move the node as-is when it will be available
> in the DT from Linux
>
> Signed-off-by: Eugen Hristev <eugen.hristev at collabora.com>
Reviewed-by: Kever Yang <kever.yang at rock-chips.com>

Thanks,
- Kever
> ---
>   arch/arm/dts/rk3588-rock-5b-u-boot.dtsi | 197 ++++++++++++++++++++++++
>   1 file changed, 197 insertions(+)
>
> diff --git a/arch/arm/dts/rk3588-rock-5b-u-boot.dtsi b/arch/arm/dts/rk3588-rock-5b-u-boot.dtsi
> index 1cd8a57a6fa6..5a3292699640 100644
> --- a/arch/arm/dts/rk3588-rock-5b-u-boot.dtsi
> +++ b/arch/arm/dts/rk3588-rock-5b-u-boot.dtsi
> @@ -7,6 +7,7 @@
>   #include <dt-bindings/pinctrl/rockchip.h>
>   #include <dt-bindings/input/input.h>
>   #include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/usb/pd.h>
>   
>   / {
>   	aliases {
> @@ -18,6 +19,25 @@
>   		u-boot,spl-boot-order = "same-as-spl", &sdmmc, &sdhci;
>   	};
>   
> +	vcc12v_dcin: vcc12v-dcin-regulator {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vcc12v_dcin";
> +		regulator-always-on;
> +		regulator-boot-on;
> +		regulator-min-microvolt = <12000000>;
> +		regulator-max-microvolt = <12000000>;
> +	};
> +
> +	vcc5v0_usbdcin: vcc5v0-usbdcin {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vcc5v0_usbdcin";
> +		regulator-always-on;
> +		regulator-boot-on;
> +		regulator-min-microvolt = <5000000>;
> +		regulator-max-microvolt = <5000000>;
> +		vin-supply = <&vcc12v_dcin>;
> +	};
> +
>   	vcc5v0_host: vcc5v0-host-regulator {
>   		compatible = "regulator-fixed";
>   		regulator-name = "vcc5v0_host";
> @@ -29,6 +49,28 @@
>   		pinctrl-0 = <&vcc5v0_host_en>;
>   		vin-supply = <&vcc5v0_sys>;
>   	};
> +
> +	vcc5v0_usb: vcc5v0-usb {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vcc5v0_usb";
> +		regulator-always-on;
> +		regulator-boot-on;
> +		regulator-min-microvolt = <5000000>;
> +		regulator-max-microvolt = <5000000>;
> +		vin-supply = <&vcc5v0_usbdcin>;
> +	};
> +
> +	vbus5v0_typec: vbus5v0-typec {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vbus5v0_typec";
> +		regulator-min-microvolt = <5000000>;
> +		regulator-max-microvolt = <5000000>;
> +		enable-active-high;
> +		gpio = <&gpio2 RK_PB6 GPIO_ACTIVE_HIGH>;
> +		vin-supply = <&vcc5v0_usb>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&typec5v_pwren>;
> +	};
>   };
>   
>   &combphy0_ps {
> @@ -85,6 +127,16 @@
>   			rockchip,pins = <4 RK_PB0 RK_FUNC_GPIO &pcfg_pull_none>;
>   		};
>   	};
> +
> +	usb-typec {
> +		usbc0_int: usbc0-int {
> +			rockchip,pins = <3 RK_PB4 RK_FUNC_GPIO &pcfg_pull_up>;
> +		};
> +
> +		typec5v_pwren: typec5v-pwren {
> +			rockchip,pins = <2 RK_PB6 RK_FUNC_GPIO &pcfg_pull_none>;
> +		};
> +	};
>   };
>   
>   &pcfg_pull_none {
> @@ -168,6 +220,15 @@
>   	status = "okay";
>   };
>   
> +&u2phy0 {
> +	status = "okay";
> +};
> +
> +&u2phy0_otg {
> +	rockchip,typec-vbus-det;
> +	status = "okay";
> +};
> +
>   &u2phy2 {
>   	resets = <&cru SRST_OTGPHY_U2_0>, <&cru SRST_P_USB2PHY_U2_0_GRF0>;
>   	reset-names = "phy", "apb";
> @@ -209,3 +270,139 @@
>   	status = "okay";
>   };
>   
> +&usbdp_phy0 {
> +	orientation-switch;
> +	svid = <0xff01>;
> +	sbu1-dc-gpios = <&gpio4 RK_PA6 GPIO_ACTIVE_HIGH>;
> +	sbu2-dc-gpios = <&gpio4 RK_PA7 GPIO_ACTIVE_HIGH>;
> +	status = "okay";
> +
> +	port {
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +		usbdp_phy0_orientation_switch: endpoint at 0 {
> +			reg = <0>;
> +			remote-endpoint = <&usbc0_orien_sw>;
> +		};
> +
> +		usbdp_phy0_dp_altmode_mux: endpoint at 1 {
> +			reg = <1>;
> +			remote-endpoint = <&dp_altmode_mux>;
> +		};
> +	};
> +};
> +
> +&usbdp_phy0_u3 {
> +	status = "okay";
> +};
> +
> +&usbdrd3_0 {
> +	status = "okay";
> +};
> +
> +&usbdrd_dwc3_0 {
> +	dr_mode = "otg";
> +	usb-role-switch;
> +
> +	port {
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +		dwc3_0_role_switch: endpoint at 0 {
> +			reg = <0>;
> +			remote-endpoint = <&usbc0_role_sw>;
> +		};
> +	};
> +};
> +
> +&usbdp_phy1 {
> +	rockchip,dp-lane-mux = <2 3>;
> +	status = "okay";
> +};
> +
> +&usbdp_phy1_u3 {
> +	status = "okay";
> +};
> +
> +&usbdrd3_1 {
> +	status = "okay";
> +};
> +
> +&u2phy1 {
> +	status = "okay";
> +};
> +
> +&u2phy1_otg {
> +	status = "okay";
> +};
> +
> +&i2c4 {
> +	pinctrl-0 = <&i2c4m1_xfer>;
> +	status = "okay";
> +
> +	usbc0: fusb302 at 22 {
> +		compatible = "fcs,fusb302";
> +		reg = <0x22>;
> +		interrupt-parent = <&gpio3>;
> +		interrupts = <RK_PB4 IRQ_TYPE_LEVEL_LOW>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&usbc0_int>;
> +		vbus-supply = <&vbus5v0_typec>;
> +		status = "okay";
> +
> +		ports {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			port at 0 {
> +				reg = <0>;
> +				usbc0_role_sw: endpoint at 0 {
> +					remote-endpoint = <&dwc3_0_role_switch>;
> +				};
> +			};
> +		};
> +
> +		usb_con: connector {
> +			compatible = "usb-c-connector";
> +			label = "USB-C";
> +			data-role = "dual";
> +			power-role = "dual";
> +			try-power-role = "sink";
> +			op-sink-microwatt = <1000000>;
> +			sink-pdos =
> +				<PDO_FIXED(5000, 1000, PDO_FIXED_USB_COMM)>;
> +			source-pdos =
> +				<PDO_FIXED(5000, 3000, PDO_FIXED_USB_COMM)>;
> +
> +			altmodes {
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +
> +				altmode at 0 {
> +					reg = <0>;
> +					svid = <0xff01>;
> +					vdo = <0xffffffff>;
> +				};
> +			};
> +
> +			ports {
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +
> +				port at 0 {
> +					reg = <0>;
> +					usbc0_orien_sw: endpoint {
> +						remote-endpoint = <&usbdp_phy0_orientation_switch>;
> +					};
> +				};
> +
> +				port at 1 {
> +					reg = <1>;
> +					dp_altmode_mux: endpoint {
> +						remote-endpoint = <&usbdp_phy0_dp_altmode_mux>;
> +					};
> +				};
> +			};
> +		};
> +	};
> +};
> +