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
  7title: Ralink RT2880 Pin Controller
  8
  9maintainers:
 10  - Arınç ÜNAL <arinc.unal@arinc9.com>
 11  - Sergio Paracuellos <sergio.paracuellos@gmail.com>
 12
 13description: |
 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
 18properties:
 19  compatible:
 20    const: ralink,rt2880-pinctrl
 21
 22patternProperties:
 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, i2c, spi, uartlite, jtag, mdio, sdram, pci]
 39
 40          groups:
 41            description:
 42              An array of strings. Each string contains the name of a group.
 43            maxItems: 1
 44
 45        required:
 46          - groups
 47          - function
 48
 49        allOf:
 50          - if:
 51              properties:
 52                function:
 53                  const: gpio
 54            then:
 55              properties:
 56                groups:
 57                  enum: [i2c, spi, uartlite, jtag, mdio, sdram, pci]
 58
 59          - if:
 60              properties:
 61                function:
 62                  const: i2c
 63            then:
 64              properties:
 65                groups:
 66                  enum: [i2c]
 67
 68          - if:
 69              properties:
 70                function:
 71                  const: spi
 72            then:
 73              properties:
 74                groups:
 75                  enum: [spi]
 76
 77          - if:
 78              properties:
 79                function:
 80                  const: uartlite
 81            then:
 82              properties:
 83                groups:
 84                  enum: [uartlite]
 85
 86          - if:
 87              properties:
 88                function:
 89                  const: jtag
 90            then:
 91              properties:
 92                groups:
 93                  enum: [jtag]
 94
 95          - if:
 96              properties:
 97                function:
 98                  const: mdio
 99            then:
100              properties:
101                groups:
102                  enum: [mdio]
103
104          - if:
105              properties:
106                function:
107                  const: sdram
108            then:
109              properties:
110                groups:
111                  enum: [sdram]
112
113          - if:
114              properties:
115                function:
116                  const: pci
117            then:
118              properties:
119                groups:
120                  enum: [pci]
121
122allOf:
123  - $ref: pinctrl.yaml#
124
125required:
126  - compatible
127
128additionalProperties: false
129
130examples:
131  - |
132    pinctrl {
133      compatible = "ralink,rt2880-pinctrl";
134
135      i2c_pins: i2c0-pins {
136        pinmux {
137          groups = "i2c";
138          function = "i2c";
139        };
140      };
141    };