The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/rtc/isil,isl12026.txt

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    1 ISL12026 I2C RTC/EEPROM
    2 
    3 ISL12026 is an I2C RTC/EEPROM combination device.  The RTC and control
    4 registers respond at bus address 0x6f, and the EEPROM array responds
    5 at bus address 0x57.  The canonical "reg" value will be for the RTC portion.
    6 
    7 Required properties supported by the device:
    8 
    9  - "compatible": must be "isil,isl12026"
   10  - "reg": I2C bus address of the device (always 0x6f)
   11 
   12 Optional properties:
   13 
   14  - "isil,pwr-bsw": If present PWR.BSW bit must be set to the specified
   15                    value for proper operation.
   16 
   17  - "isil,pwr-sbib": If present PWR.SBIB bit must be set to the specified
   18                     value for proper operation.
   19 
   20 
   21 Example:
   22 
   23         rtc@6f {
   24                 compatible = "isil,isl12026";
   25                 reg = <0x6f>;
   26                 isil,pwr-bsw = <0>;
   27                 isil,pwr-sbib = <1>;
   28         }

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