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android/Documentation/devicetree/bindings/power/supply/twl-charger.txt
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threeeye bc1d038eac REVVL 6 Pro kernel bring-up: full working tree snapshot (2026-09-12)
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TWL BCI (Battery Charger Interface)
The battery charger needs to interact with the USB phy in order
to know when charging is permissible, and when there is a connection
or disconnection.
The choice of phy cannot be configured at a hardware level, so there
is no value in explicit configuration in device-tree. Rather
if there is a sibling of the BCI node which is compatible with
"ti,twl4030-usb", then that is used to determine when and how
use USB power for charging.
Required properties:
- compatible:
- "ti,twl4030-bci"
- interrupts: two interrupt lines from the TWL SIH (secondary
interrupt handler) - interrupts 9 and 2.
Optional properties:
- ti,bb-uvolt: microvolts for charging the backup battery.
- ti,bb-uamp: microamps for charging the backup battery.
Examples:
bci {
compatible = "ti,twl4030-bci";
interrupts = <9>, <2>;
ti,bb-uvolt = <3200000>;
ti,bb-uamp = <150>;
};