Commit 67e4a47a authored by Krzysztof Kozlowski's avatar Krzysztof Kozlowski Committed by Rob Herring
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dt-bindings: power: syscon-poweroff: Convert bindings to json-schema 



Convert the Syscon poweroff bindings to DT schema format using
json-schema.

Signed-off-by: default avatarKrzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: default avatarRob Herring <robh@kernel.org>
parent d3895c2a

Documentation/devicetree/bindings/power/reset/syscon-poweroff.txt

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Generic SYSCON mapped register poweroff driver



This is a generic poweroff driver using syscon to map the poweroff register.

The poweroff is generally performed with a write to the poweroff register

defined by the register map pointed by syscon reference plus the offset

with the value and mask defined in the poweroff node.



Required properties:

- compatible: should contain "syscon-poweroff"

- regmap: this is phandle to the register map node

- offset: offset in the register map for the poweroff register (in bytes)

- value: the poweroff value written to the poweroff register (32 bit access)



Optional properties:

- mask: update only the register bits defined by the mask (32 bit)



Legacy usage:

If a node doesn't contain a value property but contains a mask property, the

mask property is used as the value.



Default will be little endian mode, 32 bit access only.



Examples:



	poweroff {

	   compatible = "syscon-poweroff";

	   regmap = <&regmapnode>;

	   offset = <0x0>;

	   mask = <0x7a>;

	};

Documentation/devicetree/bindings/power/reset/syscon-poweroff.yaml

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# SPDX-License-Identifier: GPL-2.0

%YAML 1.2

---

$id: http://devicetree.org/schemas/power/reset/syscon-poweroff.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#



title: Generic SYSCON mapped register poweroff driver



maintainers:

  - Sebastian Reichel <sre@kernel.org>



description: |+

  This is a generic poweroff driver using syscon to map the poweroff register.

  The poweroff is generally performed with a write to the poweroff register

  defined by the register map pointed by syscon reference plus the offset

  with the value and mask defined in the poweroff node.

  Default will be little endian mode, 32 bit access only.



properties:

  compatible:

    const: syscon-poweroff



  mask:

    $ref: /schemas/types.yaml#/definitions/uint32

    description: Update only the register bits defined by the mask (32 bit).



  offset:

    $ref: /schemas/types.yaml#/definitions/uint32

    description: Offset in the register map for the poweroff register (in bytes).



  regmap:

    $ref: /schemas/types.yaml#/definitions/phandle

    description: Phandle to the register map node.



  value:

    $ref: /schemas/types.yaml#/definitions/uint32

    description: The poweroff value written to the poweroff register (32 bit access).



required:

  - compatible

  - regmap

  - offset



allOf:

  - if:

      not:

        required:

          - mask

    then:

      required:

        - value



examples:

  - |

    poweroff {

      compatible = "syscon-poweroff";

      regmap = <&regmapnode>;

      offset = <0x0>;

      mask = <0x7a>;

    };