1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/power/reset/nvmem-reboot-mode.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Generic NVMEM reboot mode
8
9maintainers:
10  - Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
11
12description:
13  This driver gets the reboot mode magic value from the reboot-mode driver
14  and stores it in the NVMEM cell named "reboot-mode". The bootloader can
15  then read it and take different action according to the value.
16
17properties:
18  compatible:
19    const: nvmem-reboot-mode
20
21  nvmem-cells:
22    description:
23      A phandle pointing to the nvmem-cells node where the vendor-specific
24      magic value representing the reboot mode is stored.
25    maxItems: 1
26
27  nvmem-cell-names:
28    items:
29      - const: reboot-mode
30
31patternProperties:
32  "^mode-.+":
33    $ref: /schemas/types.yaml#/definitions/uint32
34    description: Vendor-specific mode value written to the mode register
35
36required:
37  - compatible
38  - nvmem-cells
39  - nvmem-cell-names
40
41additionalProperties: false
42
43examples:
44  - |
45    reboot-mode {
46        compatible = "nvmem-reboot-mode";
47        nvmem-cells = <&reboot_reason>;
48        nvmem-cell-names = "reboot-mode";
49        mode-recovery = <0x01>;
50        mode-bootloader = <0x02>;
51    };
52...
53