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| author | Laurentiu Palcu <laurentiu.palcu@intel.com> | 2015-05-19 16:24:39 +0300 |
|---|---|---|
| committer | Sebastian Reichel <sre@kernel.org> | 2015-05-23 22:31:10 +0300 |
| commit | 7e9f8a25a94e21adbcfbe89843a552da191c0079 (patch) | |
| tree | 13f19cf7494b163e8e32b8eeaab3d4b835953e52 | |
| parent | 4970d839aa1574e4e998cdc423864a50743931ff (diff) | |
| download | linux-7e9f8a25a94e21adbcfbe89843a552da191c0079.tar.xz | |
Documentation: devicetree: Add TI BQ25890 bindings
Signed-off-by: Laurentiu Palcu <laurentiu.palcu@intel.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
| -rw-r--r-- | Documentation/devicetree/bindings/power/bq25890.txt | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/power/bq25890.txt b/Documentation/devicetree/bindings/power/bq25890.txt new file mode 100644 index 000000000000..c9dd17d142ad --- /dev/null +++ b/Documentation/devicetree/bindings/power/bq25890.txt @@ -0,0 +1,46 @@ +Binding for TI bq25890 Li-Ion Charger + +Required properties: +- compatible: Should contain one of the following: + * "ti,bq25890" +- reg: integer, i2c address of the device. +- ti,battery-regulation-voltage: integer, maximum charging voltage (in uV); +- ti,charge-current: integer, maximum charging current (in uA); +- ti,termination-current: integer, charge will be terminated when current in + constant-voltage phase drops below this value (in uA); +- ti,precharge-current: integer, maximum charge current during precharge + phase (in uA); +- ti,minimum-sys-voltage: integer, when battery is charging and it is below + minimum system voltage, the system will be regulated above + minimum-sys-voltage setting (in uV); +- ti,boost-voltage: integer, VBUS voltage level in boost mode (in uV); +- ti,boost-max-current: integer, maximum allowed current draw in boost mode + (in uA). + +Optional properties: +- ti,boost-low-freq: boolean, if present boost mode frequency will be 500kHz, + otherwise 1.5MHz; +- ti,use-ilim-pin: boolean, if present the ILIM resistor will be used and the + input current will be the lower between the resistor setting and the IINLIM + register setting; +- ti,thermal-regulation-threshold: integer, temperature above which the charge + current is lowered, to avoid overheating (in degrees Celsius). If omitted, + the default setting will be used (120 degrees); + +Example: + +bq25890 { + compatible = "ti,bq25890"; + reg = <0x6a>; + + ti,battery-regulation-voltage = <4200000>; + ti,charge-current = <1000000>; + ti,termination-current = <50000>; + ti,precharge-current = <128000>; + ti,minimum-sys-voltage = <3600000>; + ti,boost-voltage = <5000000>; + ti,boost-max-current = <1000000>; + + ti,use-ilim-pin; + ti,thermal-regulation-threshold = <120>; +}; |