bindings/pinctrl/ralink,rt3352-pinctrl.yaml

   1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/pinctrl/ralink,rt3352-pinctrl.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Ralink RT3352 Pin Controller
   8
   9 maintainers:
  10   - Arınç ÜNAL <arinc.unal@arinc9.com>
  11   - Sergio Paracuellos <sergio.paracuellos@gmail.com>
  12
  13 description: |
  14   Ralink RT3352 pin controller for RT3352 SoC.
  15   The pin controller can only set the muxing of pin groups. Muxing individual
  16   pins is not supported. There is no pinconf support.
  17
  18 properties:
  19   compatible:
  20     const: ralink,rt3352-pinctrl
  21
  22 patternProperties:
  23   '-pins$':
  24     type: object
  25     additionalProperties: false
  26
  27     patternProperties:
  28       '^(.*-)?pinmux$':
  29         type: object
  30         description: node for pinctrl.
  31         $ref: pinmux-node.yaml#
  32         additionalProperties: false
  33
  34         properties:
  35           function:
  36             description:
  37               A string containing the name of the function to mux to the group.
  38             enum: [gpio, gpio i2s, gpio uartf, i2c, i2s uartf, jtag, led, lna,
  39                    mdio, pa, pcm gpio, pcm i2s, pcm uartf, rgmii, spi, spi_cs1,
  40                    uartf, uartlite, wdg_cs1]
  41
  42           groups:
  43             description:
  44               An array of strings. Each string contains the name of a group.
  45             maxItems: 1
  46
  47         required:
  48           - groups
  49           - function
  50
  51         allOf:
  52           - if:
  53               properties:
  54                 function:
  55                   const: gpio
  56             then:
  57               properties:
  58                 groups:
  59                   enum: [i2c, jtag, led, lna, mdio, pa, rgmii, spi, spi_cs1,
  60                          uartf, uartlite]
  61
  62           - if:
  63               properties:
  64                 function:
  65                   const: gpio i2s
  66             then:
  67               properties:
  68                 groups:
  69                   enum: [uartf]
  70
  71           - if:
  72               properties:
  73                 function:
  74                   const: gpio uartf
  75             then:
  76               properties:
  77                 groups:
  78                   enum: [uartf]
  79
  80           - if:
  81               properties:
  82                 function:
  83                   const: i2c
  84             then:
  85               properties:
  86                 groups:
  87                   enum: [i2c]
  88
  89           - if:
  90               properties:
  91                 function:
  92                   const: i2s uartf
  93             then:
  94               properties:
  95                 groups:
  96                   enum: [uartf]
  97
  98           - if:
  99               properties:
 100                 function:
 101                   const: jtag
 102             then:
 103               properties:
 104                 groups:
 105                   enum: [jtag]
 106
 107           - if:
 108               properties:
 109                 function:
 110                   const: led
 111             then:
 112               properties:
 113                 groups:
 114                   enum: [led]
 115
 116           - if:
 117               properties:
 118                 function:
 119                   const: lna
 120             then:
 121               properties:
 122                 groups:
 123                   enum: [lna]
 124
 125           - if:
 126               properties:
 127                 function:
 128                   const: mdio
 129             then:
 130               properties:
 131                 groups:
 132                   enum: [mdio]
 133
 134           - if:
 135               properties:
 136                 function:
 137                   const: pa
 138             then:
 139               properties:
 140                 groups:
 141                   enum: [pa]
 142
 143           - if:
 144               properties:
 145                 function:
 146                   const: pcm gpio
 147             then:
 148               properties:
 149                 groups:
 150                   enum: [uartf]
 151
 152           - if:
 153               properties:
 154                 function:
 155                   const: pcm i2s
 156             then:
 157               properties:
 158                 groups:
 159                   enum: [uartf]
 160
 161           - if:
 162               properties:
 163                 function:
 164                   const: pcm uartf
 165             then:
 166               properties:
 167                 groups:
 168                   enum: [uartf]
 169
 170           - if:
 171               properties:
 172                 function:
 173                   const: rgmii
 174             then:
 175               properties:
 176                 groups:
 177                   enum: [rgmii]
 178
 179           - if:
 180               properties:
 181                 function:
 182                   const: spi
 183             then:
 184               properties:
 185                 groups:
 186                   enum: [spi]
 187
 188           - if:
 189               properties:
 190                 function:
 191                   const: spi_cs1
 192             then:
 193               properties:
 194                 groups:
 195                   enum: [spi_cs1]
 196
 197           - if:
 198               properties:
 199                 function:
 200                   const: uartf
 201             then:
 202               properties:
 203                 groups:
 204                   enum: [uartf]
 205
 206           - if:
 207               properties:
 208                 function:
 209                   const: uartlite
 210             then:
 211               properties:
 212                 groups:
 213                   enum: [uartlite]
 214
 215           - if:
 216               properties:
 217                 function:
 218                   const: wdg_cs1
 219             then:
 220               properties:
 221                 groups:
 222                   enum: [spi_cs1]
 223
 224 allOf:
 225   - $ref: pinctrl.yaml#
 226
 227 required:
 228   - compatible
 229
 230 additionalProperties: false
 231
 232 examples:
 233   - |
 234     pinctrl {
 235       compatible = "ralink,rt3352-pinctrl";
 236
 237       i2c_pins: i2c0-pins {
 238         pinmux {
 239           groups = "i2c";
 240           function = "i2c";
 241         };
 242       };
 243     };