| 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>; |
| }; |
