Based on kernel version 6.3.13
. Page generated on 2023-08-29 08:35 EST
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 --- $id: http://devicetree.org/schemas/watchdog/gpio-wdt.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: GPIO controlled watchdog maintainers: - Robert Marko <robert.marko@sartura.hr> properties: compatible: const: linux,wdt-gpio gpios: maxItems: 1 description: GPIO connected to the WDT reset pin hw_algo: $ref: /schemas/types.yaml#/definitions/string description: Algorithm used by the driver oneOf: - description: Either a high-to-low or a low-to-high transition clears the WDT counter. The watchdog timer is disabled when GPIO is left floating or connected to a three-state buffer. const: toggle - description: Low or high level starts counting WDT timeout, the opposite level disables the WDT. Active level is determined by the GPIO flags. const: level hw_margin_ms: $ref: /schemas/types.yaml#/definitions/uint32 description: Maximum time to reset watchdog circuit (in milliseconds) minimum: 2 maximum: 65535 always-running: type: boolean description: If the watchdog timer cannot be disabled, add this flag to have the driver keep toggling the signal without a client. It will only cease to toggle the signal when the device is open and the timeout elapsed. required: - compatible - gpios - hw_algo - hw_margin_ms unevaluatedProperties: false |