Documentation/devicetree/bindings/watchdog/toshiba,visconti-wdt.yaml

   1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
   2 # Copyright 2020 Toshiba Electronic Devices & Storage Corporation
   3 %YAML 1.2
   4 ---
   5 $id: "http://devicetree.org/schemas/watchdog/toshiba,visconti-wdt.yaml#"
   6 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
   7
   8 title: Toshiba Visconti SoCs PIUWDT Watchdog timer
   9
  10 maintainers:
  11   - Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>
  12
  13 allOf:
  14   - $ref: watchdog.yaml#
  15
  16 properties:
  17   compatible:
  18     enum:
  19       - toshiba,visconti-wdt
  20
  21   reg:
  22     maxItems: 1
  23
  24   clocks:
  25     maxItems: 1
  26
  27   timeout-sec: true
  28
  29 required:
  30   - compatible
  31   - reg
  32   - clocks
  33
  34 additionalProperties: false
  35
  36 examples:
  37   - |
  38     soc {
  39         #address-cells = <2>;
  40         #size-cells = <2>;
  41
  42         wdt_clk: wdt-clk {
  43             compatible = "fixed-clock";
  44             clock-frequency = <150000000>;
  45             #clock-cells = <0>;
  46         };
  47
  48         watchdog@28330000 {
  49             compatible = "toshiba,visconti-wdt";
  50             reg = <0 0x28330000 0 0x1000>;
  51             clocks = <&wdt_clk>;
  52             timeout-sec = <20>;
  53         };
  54     };