linux/Documentation/devicetree/bindings/power_supply/sbs_sbs-battery.txt
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   1SBS sbs-battery
   2~~~~~~~~~~
   3
   4Required properties :
   5 - compatible : "sbs,sbs-battery"
   6
   7Optional properties :
   8 - sbs,i2c-retry-count : The number of times to retry i2c transactions on i2c
   9   IO failure.
  10 - sbs,poll-retry-count : The number of times to try looking for new status
  11   after an external change notification.
  12 - sbs,battery-detect-gpios : The gpio which signals battery detection and
  13   a flag specifying its polarity.
  14
  15Example:
  16
  17        bq20z75@b {
  18                compatible = "sbs,sbs-battery";
  19                reg = < 0xb >;
  20                sbs,i2c-retry-count = <2>;
  21                sbs,poll-retry-count = <10>;
  22                sbs,battery-detect-gpios = <&gpio-controller 122 1>;
  23        }
  24