FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/usb/usb251xb.txt

     Microchip USB 2.0 Hi-Speed Hub Controller
     
     The device node for the configuration of a Microchip USB251x/xBi USB 2.0
     Hi-Speed Controller.
     
     Required properties :
      - compatible : Should be "microchip,usb251xb" or one of the specific types:
             "microchip,usb2512b", "microchip,usb2512bi", "microchip,usb2513b",
             "microchip,usb2513bi", "microchip,usb2514b", "microchip,usb2514bi",
            "microchip,usb2517", "microchip,usb2517i", "microchip,usb2422"
     - reg : I2C address on the selected bus (default is <0x2C>)
    
    Optional properties :
     - reset-gpios : Should specify the gpio for hub reset
     - vdd-supply : Should specify the phandle to the regulator supplying vdd
     - skip-config : Skip Hub configuration, but only send the USB-Attach command
     - vendor-id : Set USB Vendor ID of the hub (16 bit, default is 0x0424)
     - product-id : Set USB Product ID of the hub (16 bit, default depends on type)
     - device-id : Set USB Device ID of the hub (16 bit, default is 0x0bb3)
     - language-id : Set USB Language ID (16 bit, default is 0x0000)
     - manufacturer : Set USB Manufacturer string (max 31 characters long)
     - product : Set USB Product string (max 31 characters long)
     - serial : Set USB Serial string (max 31 characters long)
     - {bus,self}-powered : selects between self- and bus-powered operation
            (boolean, default is self-powered)
     - disable-hi-speed : disable USB Hi-Speed support (boolean)
     - {multi,single}-tt : selects between multi- and single-transaction-translator
            (boolean, default is multi-tt)
     - disable-eop : disable End of Packet generation in full-speed mode (boolean)
     - {ganged,individual}-sensing : select over-current sense type in self-powered
            mode (boolean, default is individual)
     - {ganged,individual}-port-switching : select port power switching mode
            (boolean, default is individual)
     - dynamic-power-switching : enable auto-switching from self- to bus-powered
            operation if the local power source is removed or unavailable (boolean)
     - oc-delay-us : Delay time (in microseconds) for filtering the over-current
            sense inputs. Valid values are 100, 4000, 8000 (default) and 16000. If
            an invalid value is given, the default is used instead.
     - compound-device : indicate the hub is part of a compound device (boolean)
     - port-mapping-mode : enable port mapping mode (boolean)
     - led-{usb,speed}-mode : led usb/speed indication mode selection
            (boolean, default is speed mode)
     - string-support : enable string descriptor support (required for manufacturer,
            product and serial string configuration)
     - non-removable-ports : Should specify the ports which have a non-removable
            device connected.
     - sp-disabled-ports : Specifies the ports which will be self-power disabled
     - bp-disabled-ports : Specifies the ports which will be bus-power disabled
     - sp-max-total-current-microamp: Specifies max current consumed by the hub
            from VBUS when operating in self-powered hub. It includes the hub
            silicon along with all associated circuitry including a permanently
            attached peripheral (range: 0 - 100000 uA, default 1000 uA)
     - bp-max-total-current-microamp: Specifies max current consumed by the hub
            from VBUS when operating in self-powered hub. It includes the hub
            silicon along with all associated circuitry including a permanently
            attached peripheral (range: 0 - 510000 uA, default 100000 uA)
     - sp-max-removable-current-microamp: Specifies max current consumed by the hub
            from VBUS when operating in self-powered hub. It includes the hub
            silicon along with all associated circuitry excluding a permanently
            attached peripheral (range: 0 - 100000 uA, default 1000 uA)
     - bp-max-removable-current-microamp: Specifies max current consumed by the hub
            from VBUS when operating in self-powered hub. It includes the hub
            silicon along with all associated circuitry excluding a permanently
            attached peripheral (range: 0 - 510000 uA, default 100000 uA)
     - power-on-time-ms : Specifies the time it takes from the time the host
            initiates the power-on sequence to a port until the port has adequate
            power. The value is given in ms in a 0 - 510 range (default is 100ms).
     - swap-dx-lanes : Specifies the ports which will swap the differential-pair
            (D+/D-), default is not-swapped.
    
    Examples:
            usb2512b@2c {
                    compatible = "microchip,usb2512b";
                    reg = <0x2c>;
                    reset-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>;
            };
    
            usb2514b@2c {
                    compatible = "microchip,usb2514b";
                    reg = <0x2c>;
                    vendor-id = /bits/ 16 <0x0000>;
                    product-id = /bits/ 16 <0x0000>;
                    string-support;
                    manufacturer = "Foo";
                    product = "Foo-Bar";
                    serial = "1234567890A";
                    /* correct misplaced usb connectors on port 1,2 */
                    swap-dx-lanes = <1 2>;
            };

Cache object: c5647170e03c5f1919f101622331f7d1