Documentation/devicetree/bindings/power/reset/atmel,at91sam9260-shdwc.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/power/reset/atmel,at91sam9260-shdwc.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Microchip AT91 SHDWC Shutdown Controller
   8
   9 maintainers:
  10   - Claudiu Beznea <claudiu.beznea@microchip.com>
  11
  12 description: |
  13   Microchip AT91 SHDWC shutdown controller controls the power supplies VDDIO
  14   and VDDCORE and the wake-up detection on debounced input lines.
  15
  16 properties:
  17   compatible:
  18     enum:
  19       - atmel,at91sam9260-shdwc
  20       - atmel,at91sam9rl-shdwc
  21       - atmel,at91sam9x5-shdwc
  22
  23   reg:
  24     maxItems: 1
  25
  26   clocks:
  27     maxItems: 1
  28
  29   atmel,wakeup-mode:
  30     description: operation mode of the wakeup mode
  31     $ref: /schemas/types.yaml#/definitions/string
  32     enum: [ none, high, low, any ]
  33
  34   atmel,wakeup-counter:
  35     description: counter on wake-up 0
  36     $ref: /schemas/types.yaml#/definitions/uint32
  37     minimum: 0
  38     maximum: 15
  39
  40   atmel,wakeup-rtt-timer:
  41     description: enable real-time timer wake-up
  42     type: boolean
  43
  44   atmel,wakeup-rtc-timer:
  45     description: enable real-time clock wake-up
  46     type: boolean
  47
  48 required:
  49   - compatible
  50   - reg
  51   - clocks
  52
  53 allOf:
  54   - if:
  55       properties:
  56         compatible:
  57           contains:
  58             const: atmel,at91sam9x5-shdwc
  59     then:
  60       properties:
  61         atmel,wakeup-rtt-timer: false
  62
  63   - if:
  64       properties:
  65         compatible:
  66           contains:
  67             const: atmel,at91sam9260-shdwc
  68     then:
  69       properties:
  70         atmel,wakeup-rtc-timer: false
  71
  72 additionalProperties: false
  73
  74 examples:
  75   - |
  76     shdwc: poweroff@fffffd10 {
  77         compatible = "atmel,at91sam9260-shdwc";
  78         reg = <0xfffffd10 0x10>;
  79         clocks = <&clk32k>;
  80     };
  81
  82 ...