rtc-ds1307.yaml

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    1 # SPDX-License-Identifier: GPL-2.0
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/rtc/rtc-ds1307.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Dallas DS1307 and compatible RTC
    8 
    9 maintainers:
   10   - Alexandre Belloni <alexandre.belloni@bootlin.com>
   11 
   12 properties:
   13   compatible:
   14     oneOf:
   15       - enum:
   16           - dallas,ds1307
   17           - dallas,ds1308
   18           - dallas,ds1337
   19           - dallas,ds1338
   20           - dallas,ds1339
   21           - dallas,ds1388
   22           - dallas,ds1340
   23           - dallas,ds1341
   24           - maxim,ds3231
   25           - st,m41t0
   26           - st,m41t00
   27           - st,m41t11
   28           - microchip,mcp7940x
   29           - microchip,mcp7941x
   30           - pericom,pt7c4338
   31           - epson,rx8025
   32           - isil,isl12057
   33           - epson,rx8130
   34 
   35       - items:
   36           - enum:
   37               - st,m41t00
   38           - const: dallas,ds1338
   39 
   40   reg:
   41     maxItems: 1
   42 
   43   interrupts:
   44     minItems: 1
   45     maxItems: 2
   46 
   47   interrupt-names:
   48     maxItems: 2
   49 
   50   "#clock-cells":
   51     const: 1
   52 
   53   clock-output-names:
   54     description: From common clock binding to override the default output clock name.
   55 
   56   wakeup-source:
   57     description: Enables wake up of host system on alarm.
   58 
   59   vcc-supply: true
   60 
   61 allOf:
   62   - $ref: rtc.yaml
   63   - if:
   64       properties:
   65         compatible:
   66           contains:
   67             enum:
   68               - dallas,ds1339
   69               - dallas,ds1340
   70               - dallas,ds1388
   71     then:
   72       properties:
   73         trickle-resistor-ohms:
   74           description: Selected resistor for trickle charger. Should be specified if trickle
   75             charger should be enabled.
   76           enum: [ 250, 2000, 4000 ]
   77 
   78         trickle-diode-disable:
   79           description: Do not use internal trickle charger diode. Should be given if internal
   80             trickle charger diode should be disabled (superseded by aux-voltage-chargeable)
   81           deprecated: true
   82 
   83 unevaluatedProperties: false
   84 
   85 required:
   86   - compatible
   87   - reg
   88 
   89 examples:
   90   - |
   91     i2c {
   92       #address-cells = <1>;
   93       #size-cells = <0>;
   94 
   95       rtc@68 {
   96         compatible = "dallas,ds1337";
   97         reg = <0x68>;
   98         interrupt-parent = <&gpio4>;
   99         interrupts = <20 0>;
  100         trickle-resistor-ohms = <250>;
  101       };
  102     };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/rtc/rtc-ds1307.yaml

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/rtc/rtc-ds1307.yaml