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UPSTREAM: dt-bindings: power: sc27xx: Add a new property to describe the real resistance of coulomb counter chip

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Add a new property to describe the real resistance of coulomb counter chip,
which is used to calibrate the accuracy of the coulomb counter chip.

bug: 146864653
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Baolin Wang <baolin.wang7@gmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
(cherry picked from commit 7772d22e4b0681b5d0ff1bf4127c1b35e7641d07)
This commit is contained in:
Baolin Wang 2019-12-09 11:56:24 +08:00 • committed by Todd Kjos
commit 23e48efcb4
1 changed files with 3 additions and 0 deletions
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3
Documentation/devicetree/bindings/power/supply/sc27xx-fg.txt
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@ -13,6 +13,8 @@ Required properties:
- io-channel-names: Should be "bat-temp" or "charge-vol".
- nvmem-cells: A phandle to the calibration cells provided by eFuse device.
- nvmem-cell-names: Should be "fgu_calib".
- sprd,calib-resistance-micro-ohms: Specify the real resistance of coulomb counter
chip in micro Ohms.
- monitored-battery: Phandle of battery characteristics devicetree node.
See Documentation/devicetree/bindings/power/supply/battery.txt
@ -52,5 +54,6 @@ Example:
nvmem-cells = <&fgu_calib>;
nvmem-cell-names = "fgu_calib";
monitored-battery = <&bat>;
sprd,calib-resistance-micro-ohms = <21500>;
};
};