Commit e17f38b7 authored by Daniel Golle's avatar Daniel Golle Committed by Richard Weinberger
Browse files

dt-bindings: mtd: add basic bindings for UBI 



Add basic bindings for UBI devices and volumes.

Signed-off-by: default avatarDaniel Golle <daniel@makrotopia.org>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarRichard Weinberger <richard@nod.at>
parent 556c19f5

Documentation/devicetree/bindings/mtd/partitions/linux,ubi.yaml

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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause

%YAML 1.2

---

$id: http://devicetree.org/schemas/mtd/partitions/linux,ubi.yaml#

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



title: Unsorted Block Images



description: |

  UBI ("Unsorted Block Images") is a volume management system for raw

  flash devices which manages multiple logical volumes on a single

  physical flash device and spreads the I/O load (i.e wear-leveling)

  across the whole flash chip.



maintainers:

  - Daniel Golle <daniel@makrotopia.org>



allOf:

  - $ref: partition.yaml#



properties:

  compatible:

    const: linux,ubi



  volumes:

    type: object

    description: UBI Volumes



    patternProperties:

      "^ubi-volume-.*$":

        $ref: /schemas/mtd/partitions/ubi-volume.yaml#



    unevaluatedProperties: false



required:

  - compatible



unevaluatedProperties: false



examples:

  - |

    partitions {

        compatible = "fixed-partitions";

        #address-cells = <1>;

        #size-cells = <1>;



        partition@0 {

            reg = <0x0 0x100000>;

            label = "bootloader";

            read-only;

        };



        partition@100000 {

            reg = <0x100000 0x1ff00000>;

            label = "ubi";

            compatible = "linux,ubi";



            volumes {

                ubi-volume-caldata {

                    volid = <2>;

                    volname = "rf";

                };

            };

        };

    };

Documentation/devicetree/bindings/mtd/partitions/ubi-volume.yaml

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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause

%YAML 1.2

---

$id: http://devicetree.org/schemas/mtd/partitions/ubi-volume.yaml#

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



title: UBI volume



description: |

  This binding describes a single UBI volume. Volumes can be matches either

  by their ID or their name, or both.



maintainers:

  - Daniel Golle <daniel@makrotopia.org>



properties:

  volid:

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

    description:

      Match UBI volume ID



  volname:

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

    description:

      Match UBI volume ID



anyOf:

  - required:

      - volid



  - required:

      - volname



# This is a generic file other binding inherit from and extend

additionalProperties: true