xref: /freebsd/sys/contrib/device-tree/Bindings/usb/usb4604.txt (revision c66ec88fed842fbaad62c30d510644ceb7bd2d71)
1*c66ec88fSEmmanuel VadotSMSC USB4604 High-Speed Hub Controller
2*c66ec88fSEmmanuel Vadot
3*c66ec88fSEmmanuel VadotRequired properties:
4*c66ec88fSEmmanuel Vadot- compatible: Should be "smsc,usb4604"
5*c66ec88fSEmmanuel Vadot
6*c66ec88fSEmmanuel VadotOptional properties:
7*c66ec88fSEmmanuel Vadot- reg: Specifies the i2c slave address, it is required and should be 0x2d
8*c66ec88fSEmmanuel Vadot       if I2C is used.
9*c66ec88fSEmmanuel Vadot- reset-gpios: Should specify GPIO for reset.
10*c66ec88fSEmmanuel Vadot- initial-mode: Should specify initial mode.
11*c66ec88fSEmmanuel Vadot                (1 for HUB mode, 2 for STANDBY mode)
12*c66ec88fSEmmanuel Vadot
13*c66ec88fSEmmanuel VadotExamples:
14*c66ec88fSEmmanuel Vadot	usb-hub@2d {
15*c66ec88fSEmmanuel Vadot		compatible = "smsc,usb4604";
16*c66ec88fSEmmanuel Vadot		reg = <0x2d>;
17*c66ec88fSEmmanuel Vadot		reset-gpios = <&gpx3 5 1>;
18*c66ec88fSEmmanuel Vadot		initial-mode = <1>;
19*c66ec88fSEmmanuel Vadot	};
20