usb3503.txt

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    1 SMSC USB3503 High-Speed Hub Controller
    2 
    3 Required properties:
    4 - compatible: Should be "smsc,usb3503" or "smsc,usb3503a".
    5 
    6 Optional 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 
   28 Examples:
   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         };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/usb/usb3503.txt

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/usb/usb3503.txt