Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.yaml

   1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/watchdog/fsl-imx-wdt.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Freescale i.MX Watchdog Timer (WDT) Controller
   8
   9 maintainers:
  10   - Anson Huang <Anson.Huang@nxp.com>
  11
  12 allOf:
  13   - $ref: "watchdog.yaml#"
  14
  15 properties:
  16   compatible:
  17     enum:
  18       - fsl,imx21-wdt
  19
  20   reg:
  21     maxItems: 1
  22
  23   interrupts:
  24     maxItems: 1
  25
  26   clocks:
  27     maxItems: 1
  28
  29   fsl,ext-reset-output:
  30     $ref: /schemas/types.yaml#/definitions/flag
  31     description: |
  32       If present, the watchdog device is configured to assert its
  33       external reset (WDOG_B) instead of issuing a software reset.
  34
  35 required:
  36   - compatible
  37   - interrupts
  38   - reg
  39
  40 unevaluatedProperties: false
  41
  42 examples:
  43   - |
  44     #include <dt-bindings/interrupt-controller/arm-gic.h>
  45     #include <dt-bindings/clock/imx6qdl-clock.h>
  46
  47     watchdog@20bc000 {
  48         compatible = "fsl,imx21-wdt";
  49         reg = <0x020bc000 0x4000>;
  50         interrupts = <0 80 IRQ_TYPE_LEVEL_HIGH>;
  51         clocks = <&clks IMX6QDL_CLK_IPG>;
  52     };
  53
  54 ...