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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
# Copyright (c) 2020 MediaTek
%YAML 1.2
---
$id: http://devicetree.org/schemas/usb/mediatek,musb.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: MediaTek MUSB DRD/OTG Controller Device Tree Bindings
maintainers:
- Min Guo <min.guo@mediatek.com>
properties:
$nodename:
pattern: '^usb@[0-9a-f]+$'
compatible:
items:
- enum:
- mediatek,mt8516-musb
- mediatek,mt2701-musb
- mediatek,mt7623-musb
- const: mediatek,mtk-musb
reg:
maxItems: 1
interrupts:
maxItems: 1
interrupt-names:
items:
- const: mc
clocks:
items:
- description: The main/core clock
- description: The system bus clock
- description: The 48Mhz clock
clock-names:
items:
- const: main
- const: mcu
- const: univpll
phys:
maxItems: 1
usb-role-switch:
$ref: /schemas/types.yaml#/definitions/flag
description: Support role switch. See usb/generic.txt
type: boolean
dr_mode:
enum:
- host
- otg
- peripheral
power-domains:
description: A phandle to USB power domain node to control USB's MTCMOS
maxItems: 1
connector:
$ref: /connector/usb-connector.yaml#
description: Connector for dual role switch
type: object
dependencies:
usb-role-switch: [ 'connector' ]
connector: [ 'usb-role-switch' ]
required:
- compatible
- reg
- interrupts
- interrupt-names
- phys
- clocks
- clock-names
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/mt2701-clk.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/phy/phy.h>
#include <dt-bindings/power/mt2701-power.h>
usb@11200000 {
compatible = "mediatek,mt2701-musb", "mediatek,mtk-musb";
reg = <0x11200000 0x1000>;
interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_LOW>;
interrupt-names = "mc";
phys = <&u2port2 PHY_TYPE_USB2>;
dr_mode = "otg";
clocks = <&pericfg CLK_PERI_USB0>,
<&pericfg CLK_PERI_USB0_MCU>,
<&pericfg CLK_PERI_USB_SLV>;
clock-names = "main","mcu","univpll";
power-domains = <&scpsys MT2701_POWER_DOMAIN_IFR_MSC>;
usb-role-switch;
connector {
compatible = "gpio-usb-b-connector", "usb-b-connector";
type = "micro";
id-gpios = <&pio 44 GPIO_ACTIVE_HIGH>;
vbus-supply = <&usb_vbus>;
};
};
...
|
