61 lines
1.3 KiB
YAML
61 lines
1.3 KiB
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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$id: http://devicetree.org/schemas/watchdog/nuvoton,npcm750-wdt.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Nuvoton NPCM Watchdog
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maintainers:
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- Joel Stanley <joel@jms.id.au>
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description:
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Nuvoton NPCM timer module provides five 24-bit timer counters, and a watchdog.
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The watchdog supports a pre-timeout interrupt that fires 10ms before the
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expiry.
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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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oneOf:
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- enum:
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- nuvoton,npcm750-wdt
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- nuvoton,wpcm450-wdt
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- items:
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- enum:
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- nuvoton,npcm845-wdt
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- const: nuvoton,npcm750-wdt
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reg:
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maxItems: 1
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interrupts:
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maxItems: 1
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clocks:
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maxItems: 1
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clock-frequency:
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description: Frequency in Hz of the clock that drives the NPCM timer.
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required:
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- compatible
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- reg
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- interrupts
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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#include <dt-bindings/clock/nuvoton,npcm7xx-clock.h>
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watchdog@f000801c {
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compatible = "nuvoton,npcm750-wdt";
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interrupts = <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>;
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reg = <0xf000801c 0x4>;
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clocks = <&clk NPCM7XX_CLK_TIMER>;
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};
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