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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/mfd/brcm,twd.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Broadcom's Timer-Watchdog (aka TWD)
maintainers:
- Rafał Miłecki <rafal@milecki.pl>
description: |
Broadcom has a Timer-Watchdog block used in multiple SoCs (e.g., BCM4908,
BCM63xx, BCM7038). There are few variants available (they differ slightly in
registers layout). This block consists of: timers, watchdog and optionally a
software reset handler.
properties:
compatible:
items:
- enum:
- brcm,bcm4908-twd
- brcm,bcm7038-twd
- const: simple-mfd
- const: syscon
reg:
maxItems: 1
ranges: true
"#address-cells":
const: 1
"#size-cells":
const: 1
patternProperties:
'^watchdog@[a-f0-9]+$':
$ref: /schemas/watchdog/brcm,bcm7038-wdt.yaml
additionalProperties: false
required:
- reg
examples:
- |
timer-mfd@ff800400 {
compatible = "brcm,bcm4908-twd", "simple-mfd", "syscon";
reg = <0xff800400 0x4c>;
ranges = <0x00000000 0xff800400 0x4c>;
#address-cells = <1>;
#size-cells = <1>;
watchdog@28 {
compatible = "brcm,bcm7038-wdt";
reg = <0x28 0x8>;
};
};
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