| # 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 |
| |
| 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: /schemas/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>; |
| }; |
| }; |
| ... |