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50 lines
1.0 KiB
50 lines
1.0 KiB
# 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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$id: http://devicetree.org/schemas/watchdog/arm,twd-wdt.yaml# |
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$schema: http://devicetree.org/meta-schemas/core.yaml# |
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title: ARM Timer-Watchdog Watchdog |
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maintainers: |
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- Rob Herring <[email protected]> |
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description: |
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ARM 11MP, Cortex-A5 and Cortex-A9 are often associated with a per-core |
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Timer-Watchdog (aka TWD), which provides both a per-cpu local timer |
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and watchdog. |
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The TWD is usually attached to a GIC to deliver its two per-processor |
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interrupts. |
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properties: |
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compatible: |
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enum: |
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- arm,cortex-a9-twd-wdt |
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- arm,cortex-a5-twd-wdt |
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- arm,arm11mp-twd-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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required: |
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- compatible |
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- reg |
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additionalProperties: 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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watchdog@2c000620 { |
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compatible = "arm,arm11mp-twd-wdt"; |
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reg = <0x2c000620 0x20>; |
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interrupts = <GIC_PPI 14 0xf01>; |
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};
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