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# SPDX-License-Identifier: GPL-2.0-only
%YAML 1.2
---
$id: http://devicetree.org/schemas/power/reset/syscon-reboot-mode.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Generic SYSCON reboot mode driver
maintainers:
- Sebastian Reichel <sre@kernel.org>
description: |
This driver gets reboot mode magic value from reboot-mode driver
and stores it in a SYSCON mapped register. Then the bootloader
can read it and take different action according to the magic
value stored. The SYSCON mapped register is retrieved from the
parental dt-node plus the offset. So the SYSCON reboot-mode node
should be represented as a sub-node of a "syscon", "simple-mfd" node.
properties:
compatible:
const: syscon-reboot-mode
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 mode register (in bytes)
patternProperties:
"^mode-.+":
$ref: /schemas/types.yaml#/definitions/uint32
description: Vendor-specific mode value written to the mode register
additionalProperties: false
required:
- compatible
- offset
examples:
- |
#include <dt-bindings/soc/rockchip,boot-mode.h>
reboot-mode {
compatible = "syscon-reboot-mode";
offset = <0x40>;
mode-normal = <BOOT_NORMAL>;
mode-recovery = <BOOT_RECOVERY>;
mode-bootloader = <BOOT_FASTBOOT>;
mode-loader = <BOOT_BL_DOWNLOAD>;
};
...
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