50 lines
1.9 KiB
Plaintext
50 lines
1.9 KiB
Plaintext
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Binding for TI bq25890 Li-Ion Charger
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This driver will support the bq25896 and the bq25890. There are other ICs
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in the same family but those have not been tested.
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Required properties:
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- compatible: Should contain one of the following:
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* "ti,bq25890"
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- reg: integer, i2c address of the device.
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- ti,battery-regulation-voltage: integer, maximum charging voltage (in uV);
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- ti,charge-current: integer, maximum charging current (in uA);
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- ti,termination-current: integer, charge will be terminated when current in
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constant-voltage phase drops below this value (in uA);
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- ti,precharge-current: integer, maximum charge current during precharge
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phase (in uA);
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- ti,minimum-sys-voltage: integer, when battery is charging and it is below
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minimum system voltage, the system will be regulated above
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minimum-sys-voltage setting (in uV);
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- ti,boost-voltage: integer, VBUS voltage level in boost mode (in uV);
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- ti,boost-max-current: integer, maximum allowed current draw in boost mode
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(in uA).
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Optional properties:
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- ti,boost-low-freq: boolean, if present boost mode frequency will be 500kHz,
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otherwise 1.5MHz;
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- ti,use-ilim-pin: boolean, if present the ILIM resistor will be used and the
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input current will be the lower between the resistor setting and the IINLIM
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register setting;
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- ti,thermal-regulation-threshold: integer, temperature above which the charge
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current is lowered, to avoid overheating (in degrees Celsius). If omitted,
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the default setting will be used (120 degrees);
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Example:
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bq25890 {
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compatible = "ti,bq25890";
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reg = <0x6a>;
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ti,battery-regulation-voltage = <4200000>;
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ti,charge-current = <1000000>;
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ti,termination-current = <50000>;
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ti,precharge-current = <128000>;
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ti,minimum-sys-voltage = <3600000>;
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ti,boost-voltage = <5000000>;
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ti,boost-max-current = <1000000>;
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ti,use-ilim-pin;
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ti,thermal-regulation-threshold = <120>;
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};
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