Bindings/rtc/st,m41t80.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/rtc/st,m41t80.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: ST M41T80 family of RTC and compatible
   8
   9 maintainers:
  10   - Alexandre Belloni <alexandre.belloni@bootlin.com>
  11
  12 properties:
  13   compatible:
  14     enum:
  15       - st,m41t62
  16       - st,m41t65
  17       - st,m41t80
  18       - st,m41t81
  19       - st,m41t81s
  20       - st,m41t82
  21       - st,m41t83
  22       - st,m41t84
  23       - st,m41t85
  24       - st,m41t87
  25       - microcrystal,rv4162
  26
  27   reg:
  28     maxItems: 1
  29
  30   interrupts:
  31     maxItems: 1
  32
  33   "#clock-cells":
  34     const: 1
  35
  36   clock-output-names:
  37     maxItems: 1
  38     description: From common clock binding to override the default output clock name.
  39
  40   clock:
  41     type: object
  42     $ref: /schemas/clock/fixed-clock.yaml#
  43     properties:
  44       clock-frequency:
  45         const: 32768
  46
  47 allOf:
  48   - $ref: rtc.yaml
  49
  50 unevaluatedProperties: false
  51
  52 required:
  53   - compatible
  54   - reg
  55
  56 examples:
  57   - |
  58     i2c {
  59       #address-cells = <1>;
  60       #size-cells = <0>;
  61       rtc@68 {
  62         compatible = "st,m41t80";
  63         reg = <0x68>;
  64         interrupt-parent = <&UIC0>;
  65         interrupts = <0x9 0x8>;
  66
  67         clock {
  68           compatible = "fixed-clock";
  69           #clock-cells = <0>;
  70           clock-frequency = <32768>;
  71         };
  72       };
  73     };