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dt-bindings: watchdog: convert zii,rave-sp-wdt.txt to yaml format

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Convert device binding doc zii,rave-sp-wdt.txt to yaml format.
Additional changes:
- Ref to watchdog.yaml.
- Remove mfd node in example.
- Remove eeprom part in example.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20241010-zii_yaml-v2-4-0ab730607422@nxp.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
This commit is contained in:
Frank Li 2024-10-10 11:42:41 -04:00 committed by Rob Herring (Arm)
parent a9c2d9de10
commit b213f06da2
2 changed files with 47 additions and 39 deletions
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39
Documentation/devicetree/bindings/watchdog/zii,rave-sp-wdt.txt
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Zodiac Inflight Innovations RAVE Supervisory Processor Watchdog Bindings
RAVE SP watchdog device is a "MFD cell" device corresponding to
watchdog functionality of RAVE Supervisory Processor. It is expected
that its Device Tree node is specified as a child of the node
corresponding to the parent RAVE SP device (as documented in
Documentation/devicetree/bindings/mfd/zii,rave-sp.txt)
Required properties:
- compatible: Depending on wire protocol implemented by RAVE SP
firmware, should be one of:
- "zii,rave-sp-watchdog"
- "zii,rave-sp-watchdog-legacy"
Optional properties:
- wdt-timeout: Two byte nvmem cell specified as per
Documentation/devicetree/bindings/nvmem/nvmem.txt
Example:
rave-sp {
compatible = "zii,rave-sp-rdu1";
current-speed = <38400>;
eeprom {
wdt_timeout: wdt-timeout@8E {
reg = <0x8E 2>;
};
};
watchdog {
compatible = "zii,rave-sp-watchdog";
nvmem-cells = <&wdt_timeout>;
nvmem-cell-names = "wdt-timeout";
};
}

47
Documentation/devicetree/bindings/watchdog/zii,rave-sp-wdt.yaml Normal file
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/watchdog/zii,rave-sp-wdt.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Zodiac Inflight Innovations RAVE Supervisory Processor Watchdog
maintainers:
- Frank Li <Frank.Li@nxp.com>
description:
RAVE SP watchdog device is a "MFD cell" device corresponding to
watchdog functionality of RAVE Supervisory Processor. It is expected
that its Device Tree node is specified as a child of the node
corresponding to the parent RAVE SP device (as documented in
Documentation/devicetree/bindings/mfd/zii,rave-sp.yaml)
properties:
compatible:
enum:
- zii,rave-sp-watchdog
- zii,rave-sp-watchdog-legacy
nvmem-cell-names:
items:
- const: wdt_timeout
nvmem-cells:
maxItems: 1
required:
- compatible
allOf:
- $ref: watchdog.yaml#
unevaluatedProperties: false
examples:
- |
watchdog {
compatible = "zii,rave-sp-watchdog";
nvmem-cells = <&wdt_timeout>;
nvmem-cell-names = "wdt_timeout";
};