Bindings/usb/usb251xb.yaml

   1 # SPDX-License-Identifier: GPL-2.0
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/usb/usb251xb.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Microchip USB 2.0 Hi-Speed Hub Controller
   8
   9 maintainers:
  10   - Richard Leitner <richard.leitner@skidata.com>
  11
  12 properties:
  13   compatible:
  14     enum:
  15       - microchip,usb2422
  16       - microchip,usb2512b
  17       - microchip,usb2512bi
  18       - microchip,usb2513b
  19       - microchip,usb2513bi
  20       - microchip,usb2514b
  21       - microchip,usb2514bi
  22       - microchip,usb2517
  23       - microchip,usb2517i
  24       - microchip,usb251xb
  25
  26   reg:
  27     maxItems: 1
  28
  29   reset-gpios:
  30     description: |
  31       Should specify the gpio for hub reset
  32
  33   vdd-supply:
  34     description: |
  35       Should specify the phandle to the regulator supplying vdd
  36
  37   skip-config:
  38     $ref: /schemas/types.yaml#/definitions/flag
  39     description: |
  40       Skip Hub configuration, but only send the USB-Attach command
  41
  42   vendor-id:
  43     $ref: /schemas/types.yaml#/definitions/uint16
  44     default: 0x0424
  45     description: |
  46       Set USB Vendor ID of the hub
  47
  48   product-id:
  49     $ref: /schemas/types.yaml#/definitions/uint16
  50     description: |
  51       Set USB Product ID of the hub
  52
  53   device-id:
  54     $ref: /schemas/types.yaml#/definitions/uint16
  55     default: 0x0bb3
  56     description: |
  57       Set USB Device ID of the hub
  58
  59   language-id:
  60     $ref: /schemas/types.yaml#/definitions/uint16
  61     default: 0x0000
  62     description: |
  63       Set USB Language ID
  64
  65   manufacturer:
  66     $ref: /schemas/types.yaml#/definitions/string
  67     description: |
  68       Set USB Manufacturer string (max 31 characters long)
  69
  70   product:
  71     $ref: /schemas/types.yaml#/definitions/string
  72     description: |
  73       Set USB Product string (max 31 characters long)
  74
  75   serial:
  76     $ref: /schemas/types.yaml#/definitions/string
  77     description: |
  78       Set USB Serial string (max 31 characters long)
  79
  80   bus-powered:
  81     $ref: /schemas/types.yaml#/definitions/flag
  82     description: |
  83       selects between self- and bus-powered operation
  84       (boolean, default is self-powered)
  85
  86   self-powered:
  87     $ref: /schemas/types.yaml#/definitions/flag
  88     description: |
  89       selects between self- and bus-powered operation
  90       (boolean, default is self-powered)
  91
  92   disable-hi-speed:
  93     $ref: /schemas/types.yaml#/definitions/flag
  94     description: |
  95       disable USB Hi-Speed support (boolean)
  96
  97   multi-tt:
  98     $ref: /schemas/types.yaml#/definitions/flag
  99     description: |
 100       selects between multi- and single-transaction-translator
 101       (boolean, default is multi-tt)
 102
 103   single-tt:
 104     $ref: /schemas/types.yaml#/definitions/flag
 105     description: |
 106       selects between multi- and single-transaction-translator
 107       (boolean, default is multi-tt)
 108
 109   disable-eop:
 110     $ref: /schemas/types.yaml#/definitions/flag
 111     description: |
 112       disable End of Packet generation in full-speed mode (boolean)
 113
 114   ganged-sensing:
 115     $ref: /schemas/types.yaml#/definitions/flag
 116     description: |
 117       select over-current sense type in self-powered mode
 118       (boolean, default is individual)
 119
 120   individual-sensing:
 121     $ref: /schemas/types.yaml#/definitions/flag
 122     description: |
 123       select over-current sense type in self-powered mode
 124       (boolean, default is individual)
 125
 126   ganged-port-switching:
 127     $ref: /schemas/types.yaml#/definitions/flag
 128     description: |
 129       select port power switching mode (boolean, default is individual)
 130
 131   individual-port-switching:
 132     $ref: /schemas/types.yaml#/definitions/flag
 133     description: |
 134       select port power switching mode (boolean, default is individual)
 135
 136   dynamic-power-switching:
 137     $ref: /schemas/types.yaml#/definitions/flag
 138     description: |
 139       enable auto-switching from self- to bus-powered operation if the
 140       local power source is removed or unavailable (boolean)
 141
 142   oc-delay-us:
 143     enum: [100, 4000, 8000, 16000]
 144     default: 8000
 145     description: |
 146       Delay time (in microseconds) for filtering the over-current sense
 147       inputs. If an invalid value is given, the default is used instead.
 148
 149   compound-device:
 150     $ref: /schemas/types.yaml#/definitions/flag
 151     description: |
 152       indicate the hub is part of a compound device (boolean)
 153
 154   port-mapping-mode:
 155     $ref: /schemas/types.yaml#/definitions/flag
 156     description: |
 157       enable port mapping mode (boolean)
 158
 159   led-usb-mode:
 160     $ref: /schemas/types.yaml#/definitions/flag
 161     description: |
 162       led usb/speed indication mode selection (boolean, default is speed mode)
 163
 164   led-speed-mode:
 165     $ref: /schemas/types.yaml#/definitions/flag
 166     description: |
 167       led usb/speed indication mode selection (boolean, default is speed mode)
 168
 169   string-support:
 170     $ref: /schemas/types.yaml#/definitions/flag
 171     description: |
 172       enable string descriptor support (required for manufacturer, product
 173       and serial string configuration)
 174
 175   non-removable-ports:
 176     $ref: /schemas/types.yaml#/definitions/uint8-array
 177     description: |
 178       Should specify the ports which have a non-removable device connected.
 179
 180   sp-disabled-ports:
 181     $ref: /schemas/types.yaml#/definitions/uint8-array
 182     description: |
 183       Specifies the ports which will be self-power disabled
 184
 185   bp-disabled-ports:
 186     $ref: /schemas/types.yaml#/definitions/uint8-array
 187     description: |
 188       Specifies the ports which will be bus-power disabled
 189
 190   sp-max-total-current-microamp:
 191     maximum: 100000
 192     default: 1000
 193     description: |
 194       Specifies max current consumed by the hub from VBUS when
 195       operating in self-powered hub. It includes the hub silicon
 196       along with all associated circuitry including a permanently
 197       attached peripheral.
 198
 199   bp-max-total-current-microamp:
 200     maximum: 510000
 201     default: 100000
 202     description: |
 203       Specifies max current consumed by the hub from VBUS when
 204       operating in self-powered hub. It includes the hub silicon
 205       along with all associated circuitry including a permanently
 206       attached peripheral.
 207
 208   sp-max-removable-current-microamp:
 209     maximum: 100000
 210     default: 1000
 211     description: |
 212       Specifies max current consumed by the hub from VBUS when
 213       operating in self-powered hub. It includes the hub silicon
 214       along with all associated circuitry excluding a permanently
 215       attached peripheral.
 216
 217   bp-max-removable-current-microamp:
 218     maximum: 510000
 219     default: 100000
 220     description: |
 221       Specifies max current consumed by the hub from VBUS when
 222       operating in self-powered hub. It includes the hub silicon
 223       along with all associated circuitry excluding a permanently
 224       attached peripheral.
 225
 226   power-on-time-ms:
 227     maximum: 510
 228     default: 100
 229     description: |
 230       Specifies the time it takes from the time the host initiates the
 231       power-on sequence to a port until the port has adequate power.
 232
 233   swap-dx-lanes:
 234     $ref: /schemas/types.yaml#/definitions/uint32-array
 235     description: |
 236       Specifies the ports which will swap the differential-pair (D+/D-),
 237       default is not-swapped.
 238
 239 additionalProperties: false
 240
 241 required:
 242   - compatible
 243   - reg
 244
 245 examples:
 246   - |
 247     #include <dt-bindings/gpio/gpio.h>
 248
 249     i2c {
 250       #address-cells = <1>;
 251       #size-cells = <0>;
 252
 253       usb-hub@2c {
 254         compatible = "microchip,usb2512b";
 255         reg = <0x2c>;
 256         reset-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>;
 257       };
 258
 259       usb-hub@2d {
 260         compatible = "microchip,usb2514b";
 261         reg = <0x2d>;
 262         vendor-id = /bits/ 16 <0x0000>;
 263         product-id = /bits/ 16 <0x0000>;
 264         string-support;
 265         manufacturer = "Foo";
 266         product = "Foo-Bar";
 267         serial = "1234567890A";
 268         /* correct misplaced usb connectors on port 1,2 */
 269         swap-dx-lanes = <1 2>;
 270       };
 271     };