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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:
+ '^timer@[a-f0-9]+$':
+ $ref: /schemas/timer/brcm,bcmbca-timer.yaml
+
+ '^watchdog@[a-f0-9]+$':
+ $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>;
+
+ timer@0 {
+ compatible = "brcm,bcm63138-timer";
+ reg = <0x0 0x28>;
+ };
+
+ watchdog@28 {
+ compatible = "brcm,bcm7038-wdt";
+ reg = <0x28 0x8>;
+ };
+ };