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/power/supply/max8903-charger.txt

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    1 Maxim Semiconductor MAX8903 Battery Charger bindings
    2 
    3 Required properties:
    4 - compatible: "maxim,max8903" for MAX8903 Battery Charger
    5 - dok-gpios: Valid DC power has been detected (active low, input), optional if uok-gpios is provided
    6 - uok-gpios: Valid USB power has been detected (active low, input), optional if dok-gpios is provided
    7 
    8 Optional properties:
    9 - cen-gpios: Charge enable pin (active low, output)
   10 - chg-gpios: Charger status pin (active low, input)
   11 - flt-gpios: Fault pin (active low, output)
   12 - dcm-gpios: Current limit mode setting (DC=1 or USB=0, output)
   13 - usus-gpios: USB suspend pin (active high, output)
   14 
   15 
   16 Example:
   17 
   18         max8903-charger {
   19                 compatible = "maxim,max8903";
   20                 dok-gpios = <&gpio2 3 GPIO_ACTIVE_LOW>;
   21                 flt-gpios = <&gpio2 2 GPIO_ACTIVE_LOW>;
   22                 chg-gpios = <&gpio3 15 GPIO_ACTIVE_LOW>;
   23                 cen-gpios = <&gpio2 5 GPIO_ACTIVE_LOW>;
   24         };

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