diff options
| author | Darbha Sriharsha <dsriharsha@nvidia.com> | 2013-10-11 17:15:43 -0400 |
|---|---|---|
| committer | Anton Vorontsov <anton@enomsg.org> | 2013-10-25 15:56:51 -0700 |
| commit | ce77399226313a72578b5b0d67e289d3f165b8ba (patch) | |
| tree | f9538d6d47edfa9988d523ad96f77b90d97af371 /Documentation/devicetree | |
| parent | 83bd57aeb06b1d6db2729082dd90a0286f3e3674 (diff) | |
power_supply: Add support for bq24735 charger
Adds support for the bq24735 charger chipset. The bq24735 is a
high-efficiency, synchronous battery charger.
It allows control of the charging current, input current, and the charger
voltage DAC's through SMBus.
Signed-off-by: Darbha Sriharsha <dsriharsha@nvidia.com>
Signed-off-by: Rhyland Klein <rklein@nvidia.com>
Thanks-to: Stephen Warren <swarren@wwwdotorg.org>
Thanks-to: Thierry Reding <thierry.reding@gmail.com>
Thanks-to: Manish Badarkhe <badarkhe.manish@gmail.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Diffstat (limited to 'Documentation/devicetree')
| -rw-r--r-- | Documentation/devicetree/bindings/power_supply/ti,bq24735.txt | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/power_supply/ti,bq24735.txt b/Documentation/devicetree/bindings/power_supply/ti,bq24735.txt new file mode 100644 index 000000000000..4f6a550184d0 --- /dev/null +++ b/Documentation/devicetree/bindings/power_supply/ti,bq24735.txt @@ -0,0 +1,32 @@ +TI BQ24735 Charge Controller +~~~~~~~~~~ + +Required properties : + - compatible : "ti,bq24735" + +Optional properties : + - interrupts : Specify the interrupt to be used to trigger when the AC + adapter is either plugged in or removed. + - ti,ac-detect-gpios : This GPIO is optionally used to read the AC adapter + presence. This is a Host GPIO that is configured as an input and + connected to the bq24735. + - ti,charge-current : Used to control and set the charging current. This value + must be between 128mA and 8.128A with a 64mA step resolution. The POR value + is 0x0000h. This number is in mA (e.g. 8192), see spec for more information + about the ChargeCurrent (0x14h) register. + - ti,charge-voltage : Used to control and set the charging voltage. This value + must be between 1.024V and 19.2V with a 16mV step resolution. The POR value + is 0x0000h. This number is in mV (e.g. 19200), see spec for more information + about the ChargeVoltage (0x15h) register. + - ti,input-current : Used to control and set the charger input current. This + value must be between 128mA and 8.064A with a 128mA step resolution. The + POR value is 0x1000h. This number is in mA (e.g. 8064), see the spec for + more information about the InputCurrent (0x3fh) register. + +Example: + + bq24735@9 { + compatible = "ti,bq24735"; + reg = <0x9>; + ti,ac-detect-gpios = <&gpio 72 0x1>; + } |