Documentation/devicetree/bindings/pinctrl/ralink,mt7621-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,mt7621-pinctrl.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Ralink MT7621 Pin Controller
   8
   9 maintainers:
  10   - Arınç ÜNAL <arinc.unal@arinc9.com>
  11   - Sergio Paracuellos <sergio.paracuellos@gmail.com>
  12
  13 description:
  14   Ralink MT7621 pin controller for MT7621 SoC.
  15   The pin controller can only set the muxing of pin groups. Muxing individual
  16   pins is not supported. There is no pinconf support.
  17
  18 properties:
  19   compatible:
  20     const: ralink,mt7621-pinctrl
  21
  22 patternProperties:
  23   '-pins$':
  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, jtag, mdio, pcie, rgmii1, rgmii2, sdhci, spi, uart1,
  35                    uart2, uart3, wdt]
  36
  37           function:
  38             description: The mux function to select.
  39             enum: [gpio, i2c, i2s, jtag, mdio, nand1, nand2, pcie refclk,
  40                    pcie rst, pcm, rgmii1, rgmii2, sdhci, spdif2, spdif3, spi,
  41                    uart1, uart2, uart3, wdt refclk, wdt rst]
  42
  43         required:
  44           - groups
  45           - function
  46
  47         additionalProperties: false
  48
  49     additionalProperties: false
  50
  51 allOf:
  52   - $ref: "pinctrl.yaml#"
  53
  54 required:
  55   - compatible
  56
  57 additionalProperties: false
  58
  59 examples:
  60   # Pinmux controller node
  61   - |
  62     pinctrl {
  63       compatible = "ralink,mt7621-pinctrl";
  64
  65       i2c_pins: i2c0-pins {
  66         pinmux {
  67           groups = "i2c";
  68           function = "i2c";
  69         };
  70       };
  71     };