dt-bindings: qcom,reboot-reason: Add bindings

%YAML 1.2

---

$id: "http://devicetree.org/schemas/power/reset/qcom-reboot-reason.yaml#"

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

title: Qualcomm Technologies, Inc. reboot reason binding

maintainers:

  - Elliot Berman <eberman@quicinc.com>

description: |

  Qualcomm Technologies, Inc. SoCs support booting to special download

  modes after a restart. These modes could be a normal restart,

  restarting into a ramdump collection mode (CrashDump), or restarting

  into "emergency download mode".

properties:

  compatible:

    items:

      - const: qcom,reboot-mode

  allOf:

    - $ref: /schemas/nvmem/nvmem-consumer.yaml#/properties

    - items:

      nvmem-cell-names:

        items:

          - const: restart_reason

required:

  - compatible

  - nvmem-cells-names

dependencies:

  allOf:

    - $ref: /schemas/nvmem/nvmem-consumer.yaml#/dependencies

examples:

  - |

    reboot-reason {

      compatible = "qcom,reboot-reason";

      nvmem-cells = <&restart_reason>;

      nvmem-cell-names = "restart_reason";

    };