1*c66ec88fSEmmanuel VadotMediaTek musb DRD/OTG controller 2*c66ec88fSEmmanuel Vadot------------------------------------------- 3*c66ec88fSEmmanuel Vadot 4*c66ec88fSEmmanuel VadotRequired properties: 5*c66ec88fSEmmanuel Vadot - compatible : should be one of: 6*c66ec88fSEmmanuel Vadot "mediatek,mt2701-musb" 7*c66ec88fSEmmanuel Vadot ... 8*c66ec88fSEmmanuel Vadot followed by "mediatek,mtk-musb" 9*c66ec88fSEmmanuel Vadot - reg : specifies physical base address and size of 10*c66ec88fSEmmanuel Vadot the registers 11*c66ec88fSEmmanuel Vadot - interrupts : interrupt used by musb controller 12*c66ec88fSEmmanuel Vadot - interrupt-names : must be "mc" 13*c66ec88fSEmmanuel Vadot - phys : PHY specifier for the OTG phy 14*c66ec88fSEmmanuel Vadot - dr_mode : should be one of "host", "peripheral" or "otg", 15*c66ec88fSEmmanuel Vadot refer to usb/generic.txt 16*c66ec88fSEmmanuel Vadot - clocks : a list of phandle + clock-specifier pairs, one for 17*c66ec88fSEmmanuel Vadot each entry in clock-names 18*c66ec88fSEmmanuel Vadot - clock-names : must contain "main", "mcu", "univpll" 19*c66ec88fSEmmanuel Vadot for clocks of controller 20*c66ec88fSEmmanuel Vadot 21*c66ec88fSEmmanuel VadotOptional properties: 22*c66ec88fSEmmanuel Vadot - power-domains : a phandle to USB power domain node to control USB's 23*c66ec88fSEmmanuel Vadot MTCMOS 24*c66ec88fSEmmanuel Vadot 25*c66ec88fSEmmanuel VadotRequired child nodes: 26*c66ec88fSEmmanuel Vadot usb connector node as defined in bindings/connector/usb-connector.yaml 27*c66ec88fSEmmanuel VadotOptional properties: 28*c66ec88fSEmmanuel Vadot - id-gpios : input GPIO for USB ID pin. 29*c66ec88fSEmmanuel Vadot - vbus-gpios : input GPIO for USB VBUS pin. 30*c66ec88fSEmmanuel Vadot - vbus-supply : reference to the VBUS regulator, needed when supports 31*c66ec88fSEmmanuel Vadot dual-role mode 32*c66ec88fSEmmanuel Vadot - usb-role-switch : use USB Role Switch to support dual-role switch, see 33*c66ec88fSEmmanuel Vadot usb/generic.txt. 34*c66ec88fSEmmanuel Vadot 35*c66ec88fSEmmanuel VadotExample: 36*c66ec88fSEmmanuel Vadot 37*c66ec88fSEmmanuel Vadotusb2: usb@11200000 { 38*c66ec88fSEmmanuel Vadot compatible = "mediatek,mt2701-musb", 39*c66ec88fSEmmanuel Vadot "mediatek,mtk-musb"; 40*c66ec88fSEmmanuel Vadot reg = <0 0x11200000 0 0x1000>; 41*c66ec88fSEmmanuel Vadot interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_LOW>; 42*c66ec88fSEmmanuel Vadot interrupt-names = "mc"; 43*c66ec88fSEmmanuel Vadot phys = <&u2port2 PHY_TYPE_USB2>; 44*c66ec88fSEmmanuel Vadot dr_mode = "otg"; 45*c66ec88fSEmmanuel Vadot clocks = <&pericfg CLK_PERI_USB0>, 46*c66ec88fSEmmanuel Vadot <&pericfg CLK_PERI_USB0_MCU>, 47*c66ec88fSEmmanuel Vadot <&pericfg CLK_PERI_USB_SLV>; 48*c66ec88fSEmmanuel Vadot clock-names = "main","mcu","univpll"; 49*c66ec88fSEmmanuel Vadot power-domains = <&scpsys MT2701_POWER_DOMAIN_IFR_MSC>; 50*c66ec88fSEmmanuel Vadot usb-role-switch; 51*c66ec88fSEmmanuel Vadot connector{ 52*c66ec88fSEmmanuel Vadot compatible = "gpio-usb-b-connector", "usb-b-connector"; 53*c66ec88fSEmmanuel Vadot type = "micro"; 54*c66ec88fSEmmanuel Vadot id-gpios = <&pio 44 GPIO_ACTIVE_HIGH>; 55*c66ec88fSEmmanuel Vadot vbus-supply = <&usb_vbus>; 56*c66ec88fSEmmanuel Vadot }; 57*c66ec88fSEmmanuel Vadot}; 58