Documentation/devicetree/bindings/power/reset/atmel,sama5d2-shdwc.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/power/reset/atmel,sama5d2-shdwc.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/power/reset/atmel,sama5d2-shdwc.yaml
Extension
.yaml
Size
2755 bytes
Lines
123
Domain
Support Tooling And Documentation
Bucket
Documentation
Inferred role
Support Tooling And Documentation: configuration, schema, or hardware description
Status
atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

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Annotated Snippet

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/power/reset/atmel,sama5d2-shdwc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Microchip AT91 SAMA5D2 SHDWC Shutdown Controller

maintainers:
  - Claudiu Beznea <claudiu.beznea@microchip.com>

description: |
  Microchip AT91 SHDWC shutdown controller controls the power supplies VDDIO
  and VDDCORE and the wake-up detection on debounced input lines.

properties:
  compatible:
    oneOf:
      - items:
          - enum:
              - microchip,sama7d65-shdwc
          - const: microchip,sama7g5-shdwc
          - const: syscon
      - items:
          - const: microchip,sama7g5-shdwc
          - const: syscon
      - enum:
          - atmel,sama5d2-shdwc
          - microchip,sam9x60-shdwc
      - items:
          - const: microchip,sam9x7-shdwc
          - const: microchip,sam9x60-shdwc

  reg:
    maxItems: 1

  clocks:
    maxItems: 1

  "#address-cells":
    const: 1

  "#size-cells":
    const: 0

  debounce-delay-us:
    description:
      Minimum wake-up inputs debouncer period in microseconds. It is usually a
      board-related property.

  atmel,wakeup-rtc-timer:
    description: enable real-time clock wake-up
    type: boolean

  atmel,wakeup-rtt-timer:
    description: enable real-time timer wake-up
    type: boolean

patternProperties:
  "^input@[0-15]$":
    description:
      Wake-up input nodes. These are usually described in the "board" part of
      the Device Tree. Note also that input 0 is linked to the wake-up pin and
      is frequently used.
    type: object
    properties:
      reg:
        description: contains the wake-up input index
        minimum: 0
        maximum: 15

Annotation

Implementation Notes