Documentation/devicetree/bindings/pinctrl/ralink,mt7620-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,mt7620-pinctrl.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Ralink MT7620 Pin Controller
   8
   9 maintainers:
  10   - Arınç ÜNAL <arinc.unal@arinc9.com>
  11   - Sergio Paracuellos <sergio.paracuellos@gmail.com>
  12
  13 description:
  14   Ralink MT7620 pin controller for MT7620, MT7628 and MT7688 SoCs.
  15   The pin controller can only set the muxing of pin groups. Muxing individual
  16   pins is not supported. There is no pinconf support.
  17
  18 properties:
  19   compatible:
  20     const: ralink,mt7620-pinctrl
  21
  22 patternProperties:
  23   '-pins$':
  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: [
  35               # common
  36               i2c, spi, wdt,
  37
  38               # For MT7620 SoC
  39               ephy, mdio, nd_sd, pa, pcie, rgmii1, rgmii2, spi refclk,
  40               uartf, uartlite, wled,
  41
  42               # For MT7628 and MT7688 SoCs
  43               gpio, i2s, p0led_an, p0led_kn, p1led_an, p1led_kn, p2led_an,
  44               p2led_kn, p3led_an, p3led_kn, p4led_an, p4led_kn, perst, pwm0,
  45               pwm1, refclk, sdmode, spi cs1, spis, uart0, uart1, uart2,
  46               wled_an, wled_kn,
  47             ]
  48
  49           function:
  50             description: The mux function to select.
  51             enum: [
  52               # common
  53               gpio, i2c, refclk, spi,
  54
  55               # For MT7620 SoC
  56               ephy, gpio i2s, gpio uartf, i2s uartf, mdio, nand, pa,
  57               pcie refclk, pcie rst, pcm gpio, pcm i2s, pcm uartf,
  58               rgmii1, rgmii2, sd, spi refclk, uartf, uartlite, wdt refclk,
  59               wdt rst, wled,
  60
  61               # For MT7628 and MT7688 SoCs
  62               antenna, debug, i2s, jtag, p0led_an, p0led_kn,
  63               p1led_an, p1led_kn, p2led_an, p2led_kn, p3led_an, p3led_kn,
  64               p4led_an, p4led_kn, pcie, pcm, perst, pwm, pwm0, pwm1, pwm_uart2,
  65               rsvd, sdxc, sdxc d5 d4, sdxc d6, sdxc d7, spi cs1,
  66               spis, sw_r, uart0, uart1, uart2, utif, wdt, wled_an, wled_kn, -,
  67             ]
  68
  69         required:
  70           - groups
  71           - function
  72
  73         additionalProperties: false
  74
  75     additionalProperties: false
  76
  77 allOf:
  78   - $ref: "pinctrl.yaml#"
  79
  80 required:
  81   - compatible
  82
  83 additionalProperties: false
  84
  85 examples:
  86   # Pinmux controller node
  87   - |
  88     pinctrl {
  89       compatible = "ralink,mt7620-pinctrl";
  90
  91       i2c_pins: i2c0-pins {
  92         pinmux {
  93           groups = "i2c";
  94           function = "i2c";
  95         };
  96       };
  97     };