1*4882a593SmuzhiyunBinding for TI bq25890 Li-Ion Charger 2*4882a593Smuzhiyun 3*4882a593SmuzhiyunThis driver will support the bq25892, the bq25896 and the bq25890. There are 4*4882a593Smuzhiyunother ICs in the same family but those have not been tested. 5*4882a593Smuzhiyun 6*4882a593SmuzhiyunRequired properties: 7*4882a593Smuzhiyun- compatible: Should contain one of the following: 8*4882a593Smuzhiyun * "ti,bq25890" 9*4882a593Smuzhiyun * "ti,bq25892" 10*4882a593Smuzhiyun * "ti,bq25895" 11*4882a593Smuzhiyun * "ti,bq25896" 12*4882a593Smuzhiyun- reg: integer, i2c address of the device. 13*4882a593Smuzhiyun- interrupts: interrupt line; 14*4882a593Smuzhiyun- ti,battery-regulation-voltage: integer, maximum charging voltage (in uV); 15*4882a593Smuzhiyun- ti,charge-current: integer, maximum charging current (in uA); 16*4882a593Smuzhiyun- ti,termination-current: integer, charge will be terminated when current in 17*4882a593Smuzhiyun constant-voltage phase drops below this value (in uA); 18*4882a593Smuzhiyun- ti,precharge-current: integer, maximum charge current during precharge 19*4882a593Smuzhiyun phase (in uA); 20*4882a593Smuzhiyun- ti,minimum-sys-voltage: integer, when battery is charging and it is below 21*4882a593Smuzhiyun minimum system voltage, the system will be regulated above 22*4882a593Smuzhiyun minimum-sys-voltage setting (in uV); 23*4882a593Smuzhiyun- ti,boost-voltage: integer, VBUS voltage level in boost mode (in uV); 24*4882a593Smuzhiyun- ti,boost-max-current: integer, maximum allowed current draw in boost mode 25*4882a593Smuzhiyun (in uA). 26*4882a593Smuzhiyun 27*4882a593SmuzhiyunOptional properties: 28*4882a593Smuzhiyun- ti,boost-low-freq: boolean, if present boost mode frequency will be 500kHz, 29*4882a593Smuzhiyun otherwise 1.5MHz; 30*4882a593Smuzhiyun- ti,use-ilim-pin: boolean, if present the ILIM resistor will be used and the 31*4882a593Smuzhiyun input current will be the lower between the resistor setting and the IINLIM 32*4882a593Smuzhiyun register setting; 33*4882a593Smuzhiyun- ti,thermal-regulation-threshold: integer, temperature above which the charge 34*4882a593Smuzhiyun current is lowered, to avoid overheating (in degrees Celsius). If omitted, 35*4882a593Smuzhiyun the default setting will be used (120 degrees); 36*4882a593Smuzhiyun- ti,ibatcomp-micro-ohms: integer, value of a resistor in series with 37*4882a593Smuzhiyun the battery; 38*4882a593Smuzhiyun- ti,ibatcomp-clamp-microvolt: integer, maximum charging voltage adjustment due 39*4882a593Smuzhiyun to expected voltage drop on in-series resistor; 40*4882a593Smuzhiyun 41*4882a593SmuzhiyunExample: 42*4882a593Smuzhiyun 43*4882a593Smuzhiyunbq25890 { 44*4882a593Smuzhiyun compatible = "ti,bq25890"; 45*4882a593Smuzhiyun reg = <0x6a>; 46*4882a593Smuzhiyun 47*4882a593Smuzhiyun interrupt-parent = <&gpio1>; 48*4882a593Smuzhiyun interrupts = <16 IRQ_TYPE_EDGE_FALLING>; 49*4882a593Smuzhiyun 50*4882a593Smuzhiyun ti,battery-regulation-voltage = <4200000>; 51*4882a593Smuzhiyun ti,charge-current = <1000000>; 52*4882a593Smuzhiyun ti,termination-current = <50000>; 53*4882a593Smuzhiyun ti,precharge-current = <128000>; 54*4882a593Smuzhiyun ti,minimum-sys-voltage = <3600000>; 55*4882a593Smuzhiyun ti,boost-voltage = <5000000>; 56*4882a593Smuzhiyun ti,boost-max-current = <1000000>; 57*4882a593Smuzhiyun 58*4882a593Smuzhiyun ti,use-ilim-pin; 59*4882a593Smuzhiyun ti,thermal-regulation-threshold = <120>; 60*4882a593Smuzhiyun}; 61