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# 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 bindings
maintainers:
- Pawel Laszczak <pawell@cadence.com>
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 <dt-bindings/interrupt-controller/arm-gic.h>
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 = <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "host", "peripheral", "otg";
maximum-speed = "super-speed";
dr_mode = "otg";
};
};
|
