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dt-bindings: power: supply: max17040: Add maxim,rcomp

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To compensate for the battery chemistry and operating conditions the
chips support a compensation value. Specify one or two byte compensation
via the maxim,rcomp byte array.

Signed-off-by: Iskren Chernev <iskren.chernev@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
This commit is contained in:
Iskren Chernev 2020-09-22 14:42:35 +03:00 committed by Sebastian Reichel
parent 4f7f8e87c4
commit b973c9d518
1 changed files with 6 additions and 0 deletions
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6
Documentation/devicetree/bindings/power/supply/max17040_battery.txt
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@ -17,6 +17,11 @@ Optional properties :
Specify this boolean property to divide the Specify this boolean property to divide the
reported value in 2 and thus normalize it. reported value in 2 and thus normalize it.
SOC == State of Charge == Capacity. SOC == State of Charge == Capacity.
- maxim,rcomp : A value to compensate readings for various
battery chemistries and operating temperatures.
max17040,41 have 2 byte rcomp, default to
0x97 0x00. All other devices have one byte
rcomp, default to 0x97.
- interrupts : Interrupt line see Documentation/devicetree/ - interrupts : Interrupt line see Documentation/devicetree/
bindings/interrupt-controller/interrupts.txt bindings/interrupt-controller/interrupts.txt
- wakeup-source : This device has wakeup capabilities. Use this - wakeup-source : This device has wakeup capabilities. Use this
@ -41,6 +46,7 @@ Example:
battery-fuel-gauge@36 { battery-fuel-gauge@36 {
compatible = "maxim,max17048"; compatible = "maxim,max17048";
reg = <0x36>; reg = <0x36>;
maxim,rcomp = /bits/ 8 <0x56>;
maxim,alert-low-soc-level = <10>; maxim,alert-low-soc-level = <10>;
maxim,double-soc; maxim,double-soc;
}; };