Bindings/usb/brcm,usb-pinmap.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/usb/brcm,usb-pinmap.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Broadcom USB pin map Controller
   8
   9 maintainers:
  10   - Al Cooper <alcooperx@gmail.com>
  11
  12 properties:
  13   compatible:
  14     items:
  15       - const: brcm,usb-pinmap
  16
  17   reg:
  18     maxItems: 1
  19
  20   interrupts:
  21     maxItems: 1
  22     description: Interrupt for signals mirrored to out-gpios.
  23
  24   in-gpios:
  25     minItems: 1
  26     maxItems: 2
  27     description: Array of one or two GPIO pins used for input signals.
  28
  29   brcm,in-functions:
  30     $ref: /schemas/types.yaml#/definitions/string-array
  31     description: Array of input signal names, one per gpio in in-gpios.
  32
  33   brcm,in-masks:
  34     $ref: /schemas/types.yaml#/definitions/uint32-array
  35     description: Array of enable and mask pairs, one per gpio in-gpios.
  36
  37   out-gpios:
  38     maxItems: 1
  39     description: Array of one GPIO pin used for output signals.
  40
  41   brcm,out-functions:
  42     $ref: /schemas/types.yaml#/definitions/string-array
  43     description: Array of output signal names, one per gpio in out-gpios.
  44
  45   brcm,out-masks:
  46     $ref: /schemas/types.yaml#/definitions/uint32-array
  47     description: Array of enable, value, changed and clear masks, one
  48       per gpio in out-gpios.
  49
  50 required:
  51   - compatible
  52   - reg
  53
  54 additionalProperties: false
  55
  56 dependencies:
  57   in-gpios: [ interrupts ]
  58
  59 examples:
  60   - |
  61     usb_pinmap: usb-pinmap@22000d0 {
  62         compatible = "brcm,usb-pinmap";
  63         reg = <0x22000d0 0x4>;
  64         in-gpios = <&gpio 18 0>, <&gpio 19 0>;
  65         brcm,in-functions = "VBUS", "PWRFLT";
  66         brcm,in-masks = <0x8000 0x40000 0x10000 0x80000>;
  67         out-gpios = <&gpio 20 0>;
  68         brcm,out-functions = "PWRON";
  69         brcm,out-masks = <0x20000 0x800000 0x400000 0x200000>;
  70         interrupts = <0x0 0xb2 0x4>;
  71     };
  72
  73 ...