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Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/power/bq2415x.txt | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/power/bq2415x.txt b/Documentation/devicetree/bindings/power/bq2415x.txt new file mode 100644 index 000000000000..d0327f0b59ad --- /dev/null +++ b/Documentation/devicetree/bindings/power/bq2415x.txt @@ -0,0 +1,47 @@ +Binding for TI bq2415x Li-Ion Charger + +Required properties: +- compatible: Should contain one of the following: + * "ti,bq24150" + * "ti,bq24150" + * "ti,bq24150a" + * "ti,bq24151" + * "ti,bq24151a" + * "ti,bq24152" + * "ti,bq24153" + * "ti,bq24153a" + * "ti,bq24155" + * "ti,bq24156" + * "ti,bq24156a" + * "ti,bq24158" +- reg: integer, i2c address of the device. +- ti,current-limit: integer, initial maximum current charger can pull + from power supply in mA. +- ti,weak-battery-voltage: integer, weak battery voltage threshold in mV. + The chip will use slow precharge if battery voltage + is below this value. +- ti,battery-regulation-voltage: integer, maximum charging voltage in mV. +- ti,charge-current: integer, maximum charging current in mA. +- ti,termination-current: integer, charge will be terminated when current in + constant-voltage phase drops below this value (in mA). +- ti,resistor-sense: integer, value of sensing resistor in milliohm. + +Optional properties: +- ti,usb-charger-detection: phandle to usb charger detection device. + (required for auto mode) + +Example from Nokia N900: + +bq24150a { + compatible = "ti,bq24150a"; + reg = <0x6b>; + + ti,current-limit = <100>; + ti,weak-battery-voltage = <3400>; + ti,battery-regulation-voltage = <4200>; + ti,charge-current = <650>; + ti,termination-current = <100>; + ti,resistor-sense = <68>; + + ti,usb-charger-detection = <&isp1704>; +}; |