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1 | 1 | Binding for TI bq25890 Li-Ion Charger |
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2 | 2 | |
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| 3 | +This driver will support the bq25892, the bq25896 and the bq25890. There are |
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| 4 | +other ICs in the same family but those have not been tested. |
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| 5 | + |
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3 | 6 | Required properties: |
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4 | 7 | - compatible: Should contain one of the following: |
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5 | 8 | * "ti,bq25890" |
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| 9 | + * "ti,bq25892" |
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| 10 | + * "ti,bq25895" |
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| 11 | + * "ti,bq25896" |
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6 | 12 | - reg: integer, i2c address of the device. |
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| 13 | +- interrupts: interrupt line; |
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7 | 14 | - ti,battery-regulation-voltage: integer, maximum charging voltage (in uV); |
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8 | 15 | - ti,charge-current: integer, maximum charging current (in uA); |
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9 | 16 | - ti,termination-current: integer, charge will be terminated when current in |
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.. | .. |
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26 | 33 | - ti,thermal-regulation-threshold: integer, temperature above which the charge |
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27 | 34 | current is lowered, to avoid overheating (in degrees Celsius). If omitted, |
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28 | 35 | the default setting will be used (120 degrees); |
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| 36 | +- ti,ibatcomp-micro-ohms: integer, value of a resistor in series with |
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| 37 | + the battery; |
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| 38 | +- ti,ibatcomp-clamp-microvolt: integer, maximum charging voltage adjustment due |
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| 39 | + to expected voltage drop on in-series resistor; |
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29 | 40 | |
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30 | 41 | Example: |
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31 | 42 | |
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32 | 43 | bq25890 { |
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33 | | - compatible = "ti,bq25890"; |
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34 | | - reg = <0x6a>; |
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| 44 | + compatible = "ti,bq25890"; |
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| 45 | + reg = <0x6a>; |
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35 | 46 | |
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36 | | - ti,battery-regulation-voltage = <4200000>; |
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37 | | - ti,charge-current = <1000000>; |
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38 | | - ti,termination-current = <50000>; |
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39 | | - ti,precharge-current = <128000>; |
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40 | | - ti,minimum-sys-voltage = <3600000>; |
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41 | | - ti,boost-voltage = <5000000>; |
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42 | | - ti,boost-max-current = <1000000>; |
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| 47 | + interrupt-parent = <&gpio1>; |
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| 48 | + interrupts = <16 IRQ_TYPE_EDGE_FALLING>; |
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43 | 49 | |
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44 | | - ti,use-ilim-pin; |
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45 | | - ti,thermal-regulation-threshold = <120>; |
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| 50 | + ti,battery-regulation-voltage = <4200000>; |
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| 51 | + ti,charge-current = <1000000>; |
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| 52 | + ti,termination-current = <50000>; |
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| 53 | + ti,precharge-current = <128000>; |
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| 54 | + ti,minimum-sys-voltage = <3600000>; |
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| 55 | + ti,boost-voltage = <5000000>; |
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| 56 | + ti,boost-max-current = <1000000>; |
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| 57 | + |
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| 58 | + ti,use-ilim-pin; |
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| 59 | + ti,thermal-regulation-threshold = <120>; |
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46 | 60 | }; |
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