# SPDX-License-Identifier: GPL-2.0
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/phy/phy-rockchip-inno-usb2.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Rockchip USB2.0 phy with inno IP block
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maintainers:
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- Heiko Stuebner <heiko@sntech.de>
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properties:
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compatible:
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enum:
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- rockchip,px30-usb2phy
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- rockchip,rk1808-usb2phy
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- rockchip,rk3128-usb2phy
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- rockchip,rk3228-usb2phy
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- rockchip,rk3308-usb2phy
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- rockchip,rk3328-usb2phy
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- rockchip,rk3366-usb2phy
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- rockchip,rk3368-usb2phy
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- rockchip,rk3399-usb2phy
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- rockchip,rk3568-usb2phy
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- rockchip,rk3588-usb2phy
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- rockchip,rv1106-usb2phy
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- rockchip,rv1108-usb2phy
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reg:
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maxItems: 1
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clock-output-names:
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description:
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The usb 480m output clock name.
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"#clock-cells":
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const: 0
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"#phy-cells":
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const: 0
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clocks:
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maxItems: 1
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clock-names:
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const: phyclk
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assigned-clocks:
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description:
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Phandle of the usb 480m clock.
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assigned-clock-parents:
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description:
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Parent of the usb 480m clock.
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Select between usb-phy output 480m and xin24m.
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Refer to clk/clock-bindings.txt for generic clock consumer properties.
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extcon:
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description:
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Phandle to the extcon device providing the cable state for the otg phy.
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wakeup-source:
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description:
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Enable USB irq wakeup when suspend.
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Only work when suspend wakeup-config is not work.
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rockchip,usbgrf:
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$ref: /schemas/types.yaml#/definitions/phandle
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description:
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Phandle to the syscon managing the 'usb general register files'.
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When set the driver will request its phandle as one companion-grf
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for some special SoCs (e.g rv1108).
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rockchip,usbctrl-grf:
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$ref: /schemas/types.yaml#/definitions/phandle
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description:
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Phandle to the syscon managing the 'usb ctrl general register files'.
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When set the driver will request its phandle as the
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usb controller grf for some SoCs (e.g rk3588).
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rockchip,u2phy-tuning:
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$ref: /schemas/types.yaml#/definitions/flag
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description: when set, tuning u2phy to improve usb2 SI.
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host-port:
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type: object
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additionalProperties: false
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properties:
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"#phy-cells":
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const: 0
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interrupts:
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description: host linestate interrupt
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interrupt-names:
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const: linestate
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phy-supply:
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description:
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Phandle to a regulator that provides power to VBUS.
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See ./phy-bindings.txt for details.
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required:
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- "#phy-cells"
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- interrupts
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- interrupt-names
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otg-port:
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type: object
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additionalProperties: false
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properties:
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"#phy-cells":
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const: 0
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interrupts:
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minItems: 1
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maxItems: 3
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interrupt-names:
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oneOf:
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- const: linestate
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- const: otg-mux
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- items:
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- const: otg-bvalid
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- const: otg-id
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- const: linestate
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phy-supply:
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description:
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Phandle to a regulator that provides power to VBUS.
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See ./phy-bindings.txt for details.
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vbus-supply:
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description:
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Phandle to a fixed-regulator that provides power to VBUS.
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rockchip,utmi-bypass-uart:
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$ref: /schemas/types.yaml#/definitions/flag
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description: when set, indicates that support usb to bypass uart
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feature. This property can only be added in debug stage.
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rockchip,utmi-avalid:
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$ref: /schemas/types.yaml#/definitions/flag
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description: when set, the usb2 phy will use avalid status bit to
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get vbus status. If not, it will use bvalid status bit to get vbus
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status by default.
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rockchip,vbus-always-on:
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$ref: /schemas/types.yaml#/definitions/flag
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description: when set, indicates that the otg vbus is always powered on.
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rockchip,low-power-mode:
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$ref: /schemas/types.yaml#/definitions/flag
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description: when set, the port will enter low power state when suspend.
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rockchip,typec-vbus-det:
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$ref: /schemas/types.yaml#/definitions/flag
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description: when set, check the vbus status from grf con for Type-C
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interface. It's used when the vbusdet pin is always pulled up.
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rockchip,sel-pipe-phystatus:
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$ref: /schemas/types.yaml#/definitions/flag
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description: when set, select the pipe phy status from grf for usb
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controller. It's used when the usb3 phy is disabled, and it needs
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to combine with the usbctrl-grf.
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rockchip,dis-u2-susphy:
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$ref: /schemas/types.yaml#/definitions/flag
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description: when set, disable the usb2 phy enter suspend automatically.
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required:
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- "#phy-cells"
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- interrupts
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- interrupt-names
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required:
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- compatible
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- reg
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- clock-output-names
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- "#clock-cells"
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- "#phy-cells"
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- host-port
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- otg-port
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/clock/rk3399-cru.h>
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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#include <dt-bindings/interrupt-controller/irq.h>
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u2phy0: usb2-phy@e450 {
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compatible = "rockchip,rk3399-usb2phy";
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reg = <0xe450 0x10>;
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clocks = <&cru SCLK_USB2PHY0_REF>;
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clock-names = "phyclk";
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clock-output-names = "clk_usbphy0_480m";
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#clock-cells = <0>;
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#phy-cells = <0>;
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u2phy0_host: host-port {
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#phy-cells = <0>;
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interrupts = <GIC_SPI 27 IRQ_TYPE_LEVEL_HIGH 0>;
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interrupt-names = "linestate";
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};
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u2phy0_otg: otg-port {
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#phy-cells = <0>;
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interrupts = <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH 0>,
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<GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH 0>,
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<GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH 0>;
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interrupt-names = "otg-bvalid", "otg-id", "linestate";
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};
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};
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