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     maxItems: 2
  31
  32   clock-names:
  33     items:
  34       enum:
  35         - lsi
  36         - pclk
  37     minItems: 1
  38     maxItems: 2
  39
  40 required:
  41   - compatible
  42   - reg
  43   - clocks
  44   - clock-names
  45
  46 examples:
  47   - |
  48     #include <dt-bindings/clock/stm32mp1-clks.h>
  49     watchdog@5a002000 {
  50       compatible = "st,stm32mp1-iwdg";
  51       reg = <0x5a002000 0x400>;
  52       clocks = <&rcc IWDG2>, <&rcc CK_LSI>;
  53       clock-names = "pclk", "lsi";
  54       timeout-sec = <32>;
  55     };
  56
  57 ...