| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 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 | |
| 8 | title: MediaTek MUSB DRD/OTG Controller |
| 9 | |
| 10 | maintainers: |
| 11 | - Min Guo <min.guo@mediatek.com> |
| 12 | |
| 13 | properties: |
| 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 | |
| 70 | dependencies: |
| 71 | usb-role-switch: [ connector ] |
| 72 | connector: [ usb-role-switch ] |
| 73 | |
| 74 | required: |
| 75 | - compatible |
| 76 | - reg |
| 77 | - interrupts |
| 78 | - interrupt-names |
| 79 | - phys |
| 80 | - clocks |
| 81 | - clock-names |
| 82 | |
| 83 | additionalProperties: false |
| 84 | |
| 85 | examples: |
| 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 | ... |