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 7title: Microchip USB 2.0 Hi-Speed Hub Controller 8 9maintainers: 10 - Richard Leitner <richard.leitner@skidata.com> 11 12properties: 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/uint8-array 235 description: | 236 Specifies the ports which will swap the differential-pair (D+/D-), 237 default is not-swapped. 238 239additionalProperties: false 240 241required: 242 - compatible 243 - reg 244 245examples: 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 }; 272