Documentation/devicetree/bindings/watchdog/st,stm32-iwdg.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/watchdog/st,stm32-iwdg.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: STMicroelectronics STM32 Independent WatchDoG (IWDG) bindings
   8
   9 maintainers:
  10   - Yannick Fertre <yannick.fertre@st.com>
  11   - Christophe Roullier <christophe.roullier@st.com>
  12
  13 allOf:
  14   - $ref: "watchdog.yaml#"
  15
  16 properties:
  17   compatible:
  18     enum:
  19       - st,stm32-iwdg
  20       - st,stm32mp1-iwdg
  21
  22   reg:
  23     maxItems: 1
  24
  25   clocks:
  26     items:
  27       - description: Low speed clock
  28       - description: Optional peripheral clock
  29     minItems: 1
  30
  31   clock-names:
  32     items:
  33       enum:
  34         - lsi
  35         - pclk
  36     minItems: 1
  37     maxItems: 2
  38
  39 required:
  40   - compatible
  41   - reg
  42   - clocks
  43   - clock-names
  44
  45 unevaluatedProperties: false
  46
  47 examples:
  48   - |
  49     #include <dt-bindings/clock/stm32mp1-clks.h>
  50     watchdog@5a002000 {
  51       compatible = "st,stm32mp1-iwdg";
  52       reg = <0x5a002000 0x400>;
  53       clocks = <&rcc IWDG2>, <&rcc CK_LSI>;
  54       clock-names = "pclk", "lsi";
  55       timeout-sec = <32>;
  56     };
  57
  58 ...