Documentation/devicetree/bindings/pinctrl/ralink,rt2880-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,rt2880-pinctrl.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Ralink RT2880 Pin Controller
   8
   9 maintainers:
  10   - Arınç ÜNAL <arinc.unal@arinc9.com>
  11   - Sergio Paracuellos <sergio.paracuellos@gmail.com>
  12
  13 description:
  14   Ralink RT2880 pin controller for RT2880 SoC.
  15   The pin controller can only set the muxing of pin groups. Muxing individual
  16   pins is not supported. There is no pinconf support.
  17
  18 properties:
  19   compatible:
  20     const: ralink,rt2880-pinctrl
  21
  22 patternProperties:
  23   '-pins$':
  24     type: object
  25     patternProperties:
  26       '^(.*-)?pinmux$':
  27         type: object
  28         description: node for pinctrl.
  29         $ref: pinmux-node.yaml#
  30
  31         properties:
  32           groups:
  33             description: The pin group to select.
  34             enum: [i2c, spi, uartlite, jtag, mdio, sdram, pci]
  35
  36           function:
  37             description: The mux function to select.
  38             enum: [gpio, i2c, spi, uartlite, jtag, mdio, sdram, pci]
  39
  40         required:
  41           - groups
  42           - function
  43
  44         additionalProperties: false
  45
  46     additionalProperties: false
  47
  48 allOf:
  49   - $ref: "pinctrl.yaml#"
  50
  51 required:
  52   - compatible
  53
  54 additionalProperties: false
  55
  56 examples:
  57   # Pinmux controller node
  58   - |
  59     pinctrl {
  60       compatible = "ralink,rt2880-pinctrl";
  61
  62       i2c_pins: i2c0-pins {
  63         pinmux {
  64           groups = "i2c";
  65           function = "i2c";
  66         };
  67       };
  68     };