Documentation/devicetree/bindings/pinctrl/mscc,ocelot-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/mscc,ocelot-pinctrl.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Microsemi Ocelot pin controller
   8
   9 maintainers:
  10   - Alexandre Belloni <alexandre.belloni@bootlin.com>
  11   - Lars Povlsen <lars.povlsen@microchip.com>
  12
  13 properties:
  14   compatible:
  15     enum:
  16       - microchip,lan966x-pinctrl
  17       - microchip,sparx5-pinctrl
  18       - mscc,jaguar2-pinctrl
  19       - mscc,luton-pinctrl
  20       - mscc,ocelot-pinctrl
  21       - mscc,serval-pinctrl
  22       - mscc,servalt-pinctrl
  23
  24   reg:
  25     items:
  26       - description: Base address
  27       - description: Extended pin configuration registers
  28     minItems: 1
  29
  30   gpio-controller: true
  31
  32   '#gpio-cells':
  33     const: 2
  34
  35   gpio-ranges: true
  36
  37   interrupts:
  38     maxItems: 1
  39
  40   interrupt-controller: true
  41
  42   "#interrupt-cells":
  43     const: 2
  44
  45   resets:
  46     maxItems: 1
  47
  48   reset-names:
  49     description: Optional shared switch reset.
  50     items:
  51       - const: switch
  52
  53 patternProperties:
  54   '-pins$':
  55     type: object
  56     allOf:
  57       - $ref: "pinmux-node.yaml"
  58       - $ref: "pincfg-node.yaml"
  59
  60     properties:
  61       function: true
  62       pins: true
  63       output-high: true
  64       output-low: true
  65       drive-strength: true
  66
  67     required:
  68       - function
  69       - pins
  70
  71     additionalProperties: false
  72
  73 required:
  74   - compatible
  75   - reg
  76   - gpio-controller
  77   - '#gpio-cells'
  78   - gpio-ranges
  79
  80 allOf:
  81   - $ref: "pinctrl.yaml#"
  82   - if:
  83       properties:
  84         compatible:
  85           contains:
  86             enum:
  87               - microchip,lan966x-pinctrl
  88               - microchip,sparx5-pinctrl
  89     then:
  90       properties:
  91         reg:
  92           minItems: 2
  93
  94 additionalProperties: false
  95
  96 examples:
  97   - |
  98     gpio: pinctrl@71070034 {
  99         compatible = "mscc,ocelot-pinctrl";
 100         reg = <0x71070034 0x28>;
 101         gpio-controller;
 102         #gpio-cells = <2>;
 103         gpio-ranges = <&gpio 0 0 22>;
 104
 105         uart_pins: uart-pins {
 106             pins = "GPIO_6", "GPIO_7";
 107             function = "uart";
 108         };
 109
 110         uart2_pins: uart2-pins {
 111             pins = "GPIO_12", "GPIO_13";
 112             function = "uart2";
 113         };
 114     };
 115
 116 ...