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bcbd7b2b03
Document watchdog for Airoha EN7581. This SoC implement a simple watchdog that supports a max timeout of 28 seconds. The watchdog ticks on half the BUS clock and requires the BUS clock to be referenced. Signed-off-by: Christian Marangi <ansuelsmth@gmail.com> Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Link: https://lore.kernel.org/r/20241011104411.28659-1-ansuelsmth@gmail.com Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
48 lines
859 B
YAML
48 lines
859 B
YAML
# 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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$id: http://devicetree.org/schemas/watchdog/airoha,en7581-wdt.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Airoha EN7581 Watchdog Timer
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maintainers:
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- Christian Marangi <ansuelsmth@gmail.com>
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allOf:
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- $ref: watchdog.yaml#
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properties:
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compatible:
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const: airoha,en7581-wdt
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reg:
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maxItems: 1
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clocks:
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description: BUS clock (timer ticks at half the BUS clock)
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maxItems: 1
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clock-names:
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const: bus
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required:
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- compatible
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- reg
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- clocks
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- clock-names
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/clock/en7523-clk.h>
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watchdog@1fbf0100 {
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compatible = "airoha,en7581-wdt";
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reg = <0x1fbf0100 0x3c>;
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clocks = <&scuclk EN7523_CLK_BUS>;
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clock-names = "bus";
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};
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