162306a36Sopenharmony_ci# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 262306a36Sopenharmony_ci%YAML 1.2 362306a36Sopenharmony_ci--- 462306a36Sopenharmony_ci$id: http://devicetree.org/schemas/watchdog/arm,twd-wdt.yaml# 562306a36Sopenharmony_ci$schema: http://devicetree.org/meta-schemas/core.yaml# 662306a36Sopenharmony_ci 762306a36Sopenharmony_cititle: ARM Timer-Watchdog Watchdog 862306a36Sopenharmony_ci 962306a36Sopenharmony_cimaintainers: 1062306a36Sopenharmony_ci - Rob Herring <robh@kernel.org> 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_cidescription: 1362306a36Sopenharmony_ci ARM 11MP, Cortex-A5 and Cortex-A9 are often associated with a per-core 1462306a36Sopenharmony_ci Timer-Watchdog (aka TWD), which provides both a per-cpu local timer 1562306a36Sopenharmony_ci and watchdog. 1662306a36Sopenharmony_ci 1762306a36Sopenharmony_ci The TWD is usually attached to a GIC to deliver its two per-processor 1862306a36Sopenharmony_ci interrupts. 1962306a36Sopenharmony_ci 2062306a36Sopenharmony_ciproperties: 2162306a36Sopenharmony_ci compatible: 2262306a36Sopenharmony_ci enum: 2362306a36Sopenharmony_ci - arm,cortex-a9-twd-wdt 2462306a36Sopenharmony_ci - arm,cortex-a5-twd-wdt 2562306a36Sopenharmony_ci - arm,arm11mp-twd-wdt 2662306a36Sopenharmony_ci 2762306a36Sopenharmony_ci reg: 2862306a36Sopenharmony_ci maxItems: 1 2962306a36Sopenharmony_ci 3062306a36Sopenharmony_ci interrupts: 3162306a36Sopenharmony_ci maxItems: 1 3262306a36Sopenharmony_ci 3362306a36Sopenharmony_ci clocks: 3462306a36Sopenharmony_ci maxItems: 1 3562306a36Sopenharmony_ci 3662306a36Sopenharmony_cirequired: 3762306a36Sopenharmony_ci - compatible 3862306a36Sopenharmony_ci - reg 3962306a36Sopenharmony_ci 4062306a36Sopenharmony_ciadditionalProperties: false 4162306a36Sopenharmony_ci 4262306a36Sopenharmony_ciexamples: 4362306a36Sopenharmony_ci - | 4462306a36Sopenharmony_ci #include <dt-bindings/interrupt-controller/arm-gic.h> 4562306a36Sopenharmony_ci 4662306a36Sopenharmony_ci watchdog@2c000620 { 4762306a36Sopenharmony_ci compatible = "arm,arm11mp-twd-wdt"; 4862306a36Sopenharmony_ci reg = <0x2c000620 0x20>; 4962306a36Sopenharmony_ci interrupts = <GIC_PPI 14 0xf01>; 5062306a36Sopenharmony_ci }; 51