# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause %YAML 1.2 --- $id: http://devicetree.org/schemas/usb/cdns,usb3.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: Cadence USBSS-DRD controller maintainers: - Pawel Laszczak properties: compatible: const: cdns,usb3 reg: items: - description: OTG controller registers - description: XHCI Host controller registers - description: DEVICE controller registers reg-names: items: - const: otg - const: xhci - const: dev interrupts: minItems: 3 items: - description: XHCI host controller interrupt - description: Device controller interrupt - description: OTG/DRD controller interrupt - description: interrupt used to wake up core, e.g when usbcmd.rs is cleared by xhci core, this interrupt is optional interrupt-names: minItems: 3 items: - const: host - const: peripheral - const: otg - const: wakeup dr_mode: enum: [host, otg, peripheral] maximum-speed: enum: [super-speed, high-speed, full-speed] phys: minItems: 1 maxItems: 2 phy-names: minItems: 1 maxItems: 2 items: anyOf: - const: cdns3,usb2-phy - const: cdns3,usb3-phy cdns,on-chip-buff-size: description: size of memory intended as internal memory for endpoints buffers expressed in KB $ref: /schemas/types.yaml#/definitions/uint16 cdns,phyrst-a-enable: description: Enable resetting of PHY if Rx fail is detected type: boolean required: - compatible - reg - reg-names - interrupts - interrupt-names additionalProperties: false examples: - | #include bus { #address-cells = <2>; #size-cells = <2>; usb@6000000 { compatible = "cdns,usb3"; reg = <0x00 0x6000000 0x00 0x10000>, <0x00 0x6010000 0x00 0x10000>, <0x00 0x6020000 0x00 0x10000>; reg-names = "otg", "xhci", "dev"; interrupts = , , ; interrupt-names = "host", "peripheral", "otg"; maximum-speed = "super-speed"; dr_mode = "otg"; }; };