41 lines
1.1 KiB
YAML
41 lines
1.1 KiB
YAML
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/power/reset/apple,smc-reboot.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Apple SMC Reboot Controller
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description:
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The Apple System Management Controller (SMC) provides reboot functionality
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on Apple Silicon SoCs. It uses NVMEM cells to store and track various
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system state information related to boot, shutdown, and panic events.
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maintainers:
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- Sven Peter <sven@kernel.org>
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properties:
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compatible:
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const: apple,smc-reboot
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nvmem-cells:
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items:
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- description: Flag indicating shutdown (as opposed to reboot)
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- description: Stage at which the boot process stopped (0x30 for normal boot)
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- description: Counter for boot errors
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- description: Counter for system panics
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nvmem-cell-names:
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items:
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- const: shutdown_flag
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- const: boot_stage
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- const: boot_error_count
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- const: panic_count
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required:
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- compatible
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- nvmem-cells
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- nvmem-cell-names
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additionalProperties: false
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