mediatek,musb.yaml

  1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
  2# Copyright (c) 2020 MediaTek
  3%YAML 1.2
  4---
  5$id: http://devicetree.org/schemas/usb/mediatek,musb.yaml#
  6$schema: http://devicetree.org/meta-schemas/core.yaml#
  7
  8title: MediaTek MUSB DRD/OTG Controller
  9
 10maintainers:
 11  - Min Guo <min.guo@mediatek.com>
 12
 13properties:
 14  $nodename:
 15    pattern: '^usb@[0-9a-f]+$'
 16
 17  compatible:
 18    items:
 19      - enum:
 20          - mediatek,mt8516-musb
 21          - mediatek,mt2701-musb
 22          - mediatek,mt7623-musb
 23      - const: mediatek,mtk-musb
 24
 25  reg:
 26    maxItems: 1
 27
 28  interrupts:
 29    maxItems: 1
 30
 31  interrupt-names:
 32    items:
 33      - const: mc
 34
 35  clocks:
 36    items:
 37      - description: The main/core clock
 38      - description: The system bus clock
 39      - description: The 48Mhz clock
 40
 41  clock-names:
 42    items:
 43      - const: main
 44      - const: mcu
 45      - const: univpll
 46
 47  phys:
 48    maxItems: 1
 49
 50  usb-role-switch:
 51    $ref: /schemas/types.yaml#/definitions/flag
 52    description: Support role switch. See usb/generic.txt
 53    type: boolean
 54
 55  dr_mode:
 56    enum:
 57      - host
 58      - otg
 59      - peripheral
 60
 61  power-domains:
 62    description: A phandle to USB power domain node to control USB's MTCMOS
 63    maxItems: 1
 64
 65  connector:
 66    $ref: /schemas/connector/usb-connector.yaml#
 67    description: Connector for dual role switch
 68    type: object
 69
 70dependencies:
 71  usb-role-switch: [ connector ]
 72  connector: [ usb-role-switch ]
 73
 74required:
 75  - compatible
 76  - reg
 77  - interrupts
 78  - interrupt-names
 79  - phys
 80  - clocks
 81  - clock-names
 82
 83additionalProperties: false
 84
 85examples:
 86  - |
 87    #include <dt-bindings/clock/mt2701-clk.h>
 88    #include <dt-bindings/gpio/gpio.h>
 89    #include <dt-bindings/interrupt-controller/arm-gic.h>
 90    #include <dt-bindings/interrupt-controller/irq.h>
 91    #include <dt-bindings/phy/phy.h>
 92    #include <dt-bindings/power/mt2701-power.h>
 93
 94    usb@11200000 {
 95        compatible = "mediatek,mt2701-musb", "mediatek,mtk-musb";
 96        reg = <0x11200000 0x1000>;
 97        interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_LOW>;
 98        interrupt-names = "mc";
 99        phys = <&u2port2 PHY_TYPE_USB2>;
100        dr_mode = "otg";
101        clocks = <&pericfg CLK_PERI_USB0>,
102                 <&pericfg CLK_PERI_USB0_MCU>,
103                 <&pericfg CLK_PERI_USB_SLV>;
104        clock-names = "main","mcu","univpll";
105        power-domains = <&scpsys MT2701_POWER_DOMAIN_IFR_MSC>;
106        usb-role-switch;
107
108        connector {
109            compatible = "gpio-usb-b-connector", "usb-b-connector";
110            type = "micro";
111            id-gpios = <&pio 44 GPIO_ACTIVE_HIGH>;
112            vbus-supply = <&usb_vbus>;
113        };
114    };
115...