1SMSC USB3503 High-Speed Hub Controller
2
3Required properties:
4- compatible: Should be "smsc,usb3503" or "smsc,usb3503a".
5
6Optional properties:
7- reg: Specifies the i2c slave address, it is required and should be 0x08
8       if I2C is used.
9- connect-gpios: Should specify GPIO for connect.
10- disabled-ports: Should specify the ports unused.
11	'1' or '2' or '3' are available for this property to describe the port
12	number. 1~3 property values are possible to be described.
13	Do not describe this property if all ports have to be enabled.
14- intn-gpios: Should specify GPIO for interrupt.
15- reset-gpios: Should specify GPIO for reset.
16- initial-mode: Should specify initial mode.
17                (1 for HUB mode, 2 for STANDBY mode)
18- refclk: Clock used for driving REFCLK signal (optional, if not provided
19	the driver assumes that clock signal is always available, its
20	rate is specified by REF_SEL pins and a value from the primary
21	reference clock frequencies table is used). Use clocks and
22	clock-names in order to assign it
23- refclk-frequency: Frequency of the REFCLK signal as defined by REF_SEL
24	pins (optional, if not provided, driver will not set rate of the
25	REFCLK signal and assume that a value from the primary reference
26	clock frequencies table is used)
27
28Examples:
29	usb3503@8 {
30		compatible = "smsc,usb3503";
31		reg = <0x08>;
32		connect-gpios = <&gpx3 0 1>;
33		disabled-ports = <2 3>;
34		intn-gpios = <&gpx3 4 1>;
35		reset-gpios = <&gpx3 5 1>;
36		initial-mode = <1>;
37		clocks = <&clks 80>;
38		clock-names = "refclk";
39	};
40