Documentation/devicetree/bindings/pinctrl/ralink,rt305x-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,rt305x-pinctrl.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Ralink RT305X Pin Controller
   8
   9 maintainers:
  10   - Arınç ÜNAL <arinc.unal@arinc9.com>
  11   - Sergio Paracuellos <sergio.paracuellos@gmail.com>
  12
  13 description:
  14   Ralink RT305X pin controller for RT3050, RT3052, RT3350, RT3352 and RT5350
  15   SoCs.
  16   The pin controller can only set the muxing of pin groups. Muxing individual
  17   pins is not supported. There is no pinconf support.
  18
  19 properties:
  20   compatible:
  21     const: ralink,rt305x-pinctrl
  22
  23 patternProperties:
  24   '-pins$':
  25     type: object
  26     patternProperties:
  27       '^(.*-)?pinmux$':
  28         type: object
  29         description: node for pinctrl.
  30         $ref: pinmux-node.yaml#
  31
  32         properties:
  33           groups:
  34             description: The pin group to select.
  35             enum: [
  36               # common
  37               i2c, jtag, led, mdio, rgmii, spi, spi_cs1, uartf, uartlite,
  38
  39               # For RT3050, RT3052 and RT3350 SoCs
  40               sdram,
  41
  42               # For RT3352 SoC
  43               lna, pa
  44             ]
  45
  46           function:
  47             description: The mux function to select.
  48             enum: [
  49               # common
  50               gpio, gpio i2s, gpio uartf, i2c, i2s uartf, jtag, led, mdio,
  51               pcm gpio, pcm i2s, pcm uartf, rgmii, spi, spi_cs1, uartf,
  52               uartlite, wdg_cs1,
  53
  54               # For RT3050, RT3052 and RT3350 SoCs
  55               sdram,
  56
  57               # For RT3352 SoC
  58               lna, pa
  59             ]
  60
  61         required:
  62           - groups
  63           - function
  64
  65         additionalProperties: false
  66
  67     additionalProperties: false
  68
  69 allOf:
  70   - $ref: "pinctrl.yaml#"
  71
  72 required:
  73   - compatible
  74
  75 additionalProperties: false
  76
  77 examples:
  78   # Pinmux controller node
  79   - |
  80     pinctrl {
  81       compatible = "ralink,rt305x-pinctrl";
  82
  83       i2c_pins: i2c0-pins {
  84         pinmux {
  85           groups = "i2c";
  86           function = "i2c";
  87         };
  88       };
  89     };