1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 $id: http://devicetree.org/schemas/watchdog/atmel,sama5d4-wdt.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Atmel SAMA5D4 Watchdog Timer (WDT) Controller
10 - Eugen Hristev <eugen.hristev@microchip.com>
13 - $ref: watchdog.yaml#
19 - microchip,sam9x60-wdt
20 - microchip,sama7g5-wdt
29 $ref: /schemas/types.yaml#/definitions/string
30 description: should be hardware or software.
33 Enable watchdog fault reset. A watchdog fault triggers
37 Enable watchdog fault interrupt. A watchdog fault asserts
43 $ref: /schemas/types.yaml#/definitions/flag
45 present if you want to stop the watchdog when the CPU is in idle state.
46 CAUTION: This property should be used with care, it actually makes the
47 watchdog not counting when the CPU is in idle state, therefore the
48 watchdog reset time depends on mean CPU usage and will not reset at all
49 if the CPU stop working while it is in idle state, which is probably
53 $ref: /schemas/types.yaml#/definitions/flag
55 present if you want to stop the watchdog when the CPU is in debug state.
61 unevaluatedProperties: false
65 #include <dt-bindings/interrupt-controller/irq.h>
68 compatible = "atmel,sama5d4-wdt";
69 reg = <0xfc068640 0x10>;
70 interrupts = <4 IRQ_TYPE_LEVEL_HIGH 5>;
72 atmel,watchdog-type = "hardware";