path: root/Documentation/devicetree/bindings/pinctrl/mediatek,mt76x8-pinctrl.yaml

# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/pinctrl/mediatek,mt76x8-pinctrl.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: MediaTek MT76X8 Pin Controller

maintainers:
  - Arınç ÜNAL <arinc.unal@arinc9.com>
  - Sergio Paracuellos <sergio.paracuellos@gmail.com>

description: |
  MediaTek MT76X8 pin controller for MT7628 and MT7688 SoCs.
  The pin controller can only set the muxing of pin groups. Muxing individual
  pins is not supported. There is no pinconf support.

properties:
  compatible:
    const: ralink,mt76x8-pinctrl

patternProperties:
  '-pins$':
    type: object
    additionalProperties: false

    patternProperties:
      '^(.*-)?pinmux$':
        type: object
        description: node for pinctrl.
        $ref: pinmux-node.yaml#
        additionalProperties: false

        properties:
          function:
            description:
              A string containing the name of the function to mux to the group.
            enum: [antenna, debug, gpio, i2c, i2s, jtag, p0led_an, p0led_kn,
                   p1led_an, p1led_kn, p2led_an, p2led_kn, p3led_an, p3led_kn,
                   p4led_an, p4led_kn, pcie, pcm, perst, pwm, pwm0, pwm1,
                   pwm_uart2, refclk, rsvd, sdxc, sdxc d5 d4, sdxc d6, sdxc d7,
                   spi, spi cs1, spis, sw_r, uart0, uart1, uart2, utif, wdt,
                   wled_an, wled_kn, -]

          groups:
            description:
              An array of strings. Each string contains the name of a group.
            maxItems: 1

        required:
          - groups
          - function

        allOf:
          - if:
              properties:
                function:
                  const: antenna
            then:
              properties:
                groups:
                  enum: [i2s]

          - if:
              properties:
                function:
                  const: debug
            then:
              properties:
                groups:
                  enum: [i2c]

          - if:
              properties:
                function:
                  const: gpio
            then:
              properties:
                groups:
                  enum: [gpio, i2c, i2s, p0led_an, p0led_kn, p1led_an, p1led_kn,
                         p2led_an, p2led_kn, p3led_an, p3led_kn, p4led_an,
                         p4led_kn, perst, pwm0, pwm1, refclk, sdmode, spi,
                         spi cs1, spis, uart0, uart1, uart2, wdt, wled_an,
                         wled_kn]

          - if:
              properties:
                function:
                  const: i2c
            then:
              properties:
                groups:
                  enum: [i2c]

          - if:
              properties:
                function:
                  const: i2s
            then:
              properties:
                groups:
                  enum: [i2s]

          - if:
              properties:
                function:
                  const: jtag
            then:
              properties:
                groups:
                  enum: [p0led_an, p0led_kn, p1led_an, p1led_kn, p2led_an,
                         p2led_kn, p3led_an, p3led_kn, p4led_an, p4led_kn,
                         sdmode]

          - if:
              properties:
                function:
                  const: p0led_an
            then:
              properties:
                groups:
                  enum: [p0led_an]

          - if:
              properties:
                function:
                  const: p0led_kn
            then:
              properties:
                groups:
                  enum: [p0led_kn]

          - if:
              properties:
                function:
                  const: p1led_an
            then:
              properties:
                groups:
                  enum: [p1led_an]

          - if:
              properties:
                function:
                  const: p1led_kn
            then:
              properties:
                groups:
                  enum: [p1led_kn]

          - if:
              properties:
                function:
                  const: p2led_an
            then:
              properties:
                groups:
                  enum: [p2led_an]

          - if:
              properties:
                function:
                  const: p2led_kn
            then:
              properties:
                groups:
                  enum: [p2led_kn]

          - if:
              properties:
                function:
                  const: p3led_an
            then:
              properties:
                groups:
                  enum: [p3led_an]

          - if:
              properties:
                function:
                  const: p3led_kn
            then:
              properties:
                groups:
                  enum: [p3led_kn]

          - if:
              properties:
                function:
                  const: p4led_an
            then:
              properties:
                groups:
                  enum: [p4led_an]

          - if:
              properties:
                function:
                  const: p4led_kn
            then:
              properties:
                groups:
                  enum: [p4led_kn]

          - if:
              properties:
                function:
                  const: pcie
            then:
              properties:
                groups:
                  enum: [gpio]

          - if:
              properties:
                function:
                  const: pcm
            then:
              properties:
                groups:
                  enum: [i2s]

          - if:
              properties:
                function:
                  const: perst
            then:
              properties:
                groups:
                  enum: [perst]

          - if:
              properties:
                function:
                  const: pwm
            then:
              properties:
                groups:
                  enum: [uart1, uart2]

          - if:
              properties:
                function:
                  const: pwm0
            then:
              properties:
                groups:
                  enum: [pwm0]

          - if:
              properties:
                function:
                  const: pwm1
            then:
              properties:
                groups:
                  enum: [pwm1]

          - if:
              properties:
                function:
                  const: pwm_uart2
            then:
              properties:
                groups:
                  enum: [spis]

          - if:
              properties:
                function:
                  const: refclk
            then:
              properties:
                groups:
                  enum: [gpio, refclk, spi cs1]

          - if:
              properties:
                function:
                  const: rsvd
            then:
              properties:
                groups:
                  enum: [p0led_an, p0led_kn, wled_an, wled_kn]

          - if:
              properties:
                function:
                  const: sdxc
            then:
              properties:
                groups:
                  enum: [sdmode]

          - if:
              properties:
                function:
                  const: sdxc d5 d4
            then:
              properties:
                groups:
                  enum: [uart2]

          - if:
              properties:
                function:
                  const: sdxc d6
            then:
              properties:
                groups:
                  enum: [pwm1]

          - if:
              properties:
                function:
                  const: sdxc d7
            then:
              properties:
                groups:
                  enum: [pwm0]

          - if:
              properties:
                function:
                  const: spi
            then:
              properties:
                groups:
                  enum: [spi]

          - if:
              properties:
                function:
                  const: spi cs1
            then:
              properties:
                groups:
                  enum: [spi cs1]

          - if:
              properties:
                function:
                  const: spis
            then:
              properties:
                groups:
                  enum: [spis]

          - if:
              properties:
                function:
                  const: sw_r
            then:
              properties:
                groups:
                  enum: [uart1]

          - if:
              properties:
                function:
                  const: uart0
            then:
              properties:
                groups:
                  enum: [uart0]

          - if:
              properties:
                function:
                  const: uart1
            then:
              properties:
                groups:
                  enum: [uart1]

          - if:
              properties:
                function:
                  const: uart2
            then:
              properties:
                groups:
                  enum: [uart2]

          - if:
              properties:
                function:
                  const: utif
            then:
              properties:
                groups:
                  enum: [p1led_an, p1led_kn, p2led_an, p2led_kn, p3led_an,
                         p3led_kn, p4led_an, p4led_kn, pwm0, pwm1, sdmode, spis]

          - if:
              properties:
                function:
                  const: wdt
            then:
              properties:
                groups:
                  enum: [wdt]

          - if:
              properties:
                function:
                  const: wled_an
            then:
              properties:
                groups:
                  enum: [wled_an]

          - if:
              properties:
                function:
                  const: wled_kn
            then:
              properties:
                groups:
                  enum: [wled_kn]

          - if:
              properties:
                function:
                  const: "-"
            then:
              properties:
                groups:
                  enum: [i2c, spi cs1, uart0]

allOf:
  - $ref: pinctrl.yaml#

required:
  - compatible

additionalProperties: false

examples:
  - |
    pinctrl {
      compatible = "ralink,mt76x8-pinctrl";

      i2c_pins: i2c0-pins {
        pinmux {
          groups = "i2c";
          function = "i2c";
        };
      };
    };