dt-bindings: batterydata: Add snapshot
Add snapshot of batterydata dt-bindings as of msm-4.14 'commit 7e16ff6cdde5 ("defconfig: qcs405: enable WLAN configs for 32-bit QCS405")'. Change-Id: Id4a50a66b48a59b9ef4bb96ecd6f37e56f4613c1 Signed-off-by: Guru Das Srinagesh <gurus@codeaurora.org>
This commit is contained in:
parent
757be87dc5
commit
6eb90ea0f4
1 changed files with 294 additions and 0 deletions
294
Documentation/devicetree/bindings/batterydata/batterydata.txt
Normal file
294
Documentation/devicetree/bindings/batterydata/batterydata.txt
Normal file
|
@ -0,0 +1,294 @@
|
|||
Battery Profile Data
|
||||
|
||||
Battery Data is a collection of battery profile data made available to
|
||||
the QPNP Charger and BMS drivers via device tree.
|
||||
|
||||
qcom,battery-data node required properties:
|
||||
- qcom,rpull-up-kohm : The vadc pullup resistor's resistance value in kOhms.
|
||||
- qcom,vref-batt-therm-uv : The vadc voltage used to make readings.
|
||||
For Qualcomm Technologies, Inc. VADCs, this should be
|
||||
1800000uV.
|
||||
|
||||
qcom,battery-data node optional properties:
|
||||
- qcom,batt-id-range-pct : The area of variation between upper and lower bound
|
||||
for which a given battery ID resistance is valid. This
|
||||
value is expressed as a percentage of the specified kohm
|
||||
resistance provided by qcom,batt-id-kohm.
|
||||
|
||||
qcom,battery-data can also include any number of children nodes. These children
|
||||
nodes will be treated as battery profile data nodes.
|
||||
|
||||
Profile data node required properties:
|
||||
- qcom,fcc-mah : Full charge count of the battery in milliamp-hours
|
||||
- qcom,default-rbatt-mohm : The nominal battery resistance value
|
||||
- qcom,rbatt-capacitive-mohm : The capacitive resistance of the battery.
|
||||
- qcom,flat-ocv-threshold-uv : The threshold under which the battery can be
|
||||
considered to be in the flat portion of the discharge
|
||||
curve.
|
||||
- qcom,max-voltage-uv : The maximum rated voltage of the battery
|
||||
- qcom,v-cutoff-uv : The cutoff voltage of the battery at which the device
|
||||
should shutdown gracefully.
|
||||
- qcom,chg-term-ua : The termination charging current of the battery.
|
||||
- qcom,batt-id-kohm : The battery id resistance of the battery. It can be
|
||||
used as an array which could support multiple IDs for one battery
|
||||
module when the ID resistance of some battery modules goes across
|
||||
several ranges.
|
||||
- qcom,battery-type : A string indicating the type of battery.
|
||||
- qcom,fg-profile-data : An array of hexadecimal values used to configure more
|
||||
complex fuel gauge peripherals which have a large amount
|
||||
of coefficients used in hardware state machines and thus
|
||||
influencing the final output of the state of charge read
|
||||
by software.
|
||||
|
||||
Profile data node optional properties:
|
||||
- qcom,chg-rslow-comp-c1 : A constant for rslow compensation in the fuel gauge.
|
||||
This will be provided by the profiling tool for
|
||||
additional fuel gauge accuracy during charging.
|
||||
- qcom,chg-rslow-comp-c2 : A constant for rslow compensation in the fuel gauge.
|
||||
This will be provided by the profiling tool for
|
||||
additional fuel gauge accuracy during charging.
|
||||
- qcom,chg-rslow-comp-thr : A constant for rslow compensation in the fuel gauge.
|
||||
This will be provided by the profiling tool for
|
||||
additional fuel gauge accuracy during charging.
|
||||
- qcom,chg-rs-to-rslow: A constant for rslow compensation in the fuel gauge.
|
||||
This will be provided by the profiling tool for
|
||||
additional fuel gauge accuracy during charging.
|
||||
- qcom,fastchg-current-ma: Specifies the maximum fastcharge current.
|
||||
- qcom,fg-cc-cv-threshold-mv: Voltage threshold in mV for transition from constant
|
||||
charge (CC) to constant voltage (CV). This value should
|
||||
be 10 mV less than the float voltage.
|
||||
This property should only be specified if
|
||||
"qcom,autoadjust-vfloat" property is specified in the
|
||||
charger driver to ensure a proper operation.
|
||||
- qcom,thermal-coefficients: Byte array of thermal coefficients for reading
|
||||
battery thermistor. This should be exactly 6 bytes
|
||||
in length.
|
||||
Example: [01 02 03 04 05 06]
|
||||
- qcom,therm-coefficients: Array of thermal coefficients that will be used in
|
||||
battery profile for GEN4 FG. This should be exactly of
|
||||
size 5.
|
||||
- qcom,therm-center-offset: Specifies the resistor divide ratio between pull-up
|
||||
resistor and the thermistor for GEN4 FG.
|
||||
- qcom,therm-pull-up: Specifies the thermistor pull-up resistor value in
|
||||
KOhms.
|
||||
- qcom,rslow-normal-coeffs: Array of Rslow coefficients that will be applied
|
||||
when the battery temperature is greater than 0 degree
|
||||
Celsius for GEN4 FG. This should be exactly of size 4.
|
||||
- qcom,rslow-low-coeffs: Array of Rslow coefficients that will be applied
|
||||
when the battery temperature is lower than 0 degree
|
||||
Celsius for GEN4 FG. This should be exactly of size 4.
|
||||
- qcom,soc-based-step-chg: A bool property to indicate if the battery will
|
||||
perform SoC (State of Charge) based step charging.
|
||||
If yes, the low and high thresholds defined in
|
||||
"qcom,step-chg-ranges" tuples should be assigned as
|
||||
SoC values in percentage.
|
||||
- qcom,ocv-based-step-chg: A bool property to indicate if the battery will
|
||||
perform OCV (Open Circuit Voltage) based step charging.
|
||||
If yes, the low and high thresholds defined in
|
||||
"qcom,step-chg-ranges" tuples should be assigned as
|
||||
OCV values in microvolts.
|
||||
- qcom,step-chg-ranges: Array of tuples in which a tuple describes a range
|
||||
data of step charging setting.
|
||||
A range contains following 3 integer elements:
|
||||
[0]: the low threshold of battery voltage in uV
|
||||
or SoC (State of Charge) in percentage when
|
||||
SoC based step charge is used;
|
||||
[1]: the high threshold of battery voltage in uV
|
||||
or SoC in percentage when SoC based step charge
|
||||
is used;
|
||||
[2]: the FCC (full charging current) in uA when battery
|
||||
voltage or SoC falls between the low and high
|
||||
thresholds.
|
||||
The threshold values in range should be in ascending
|
||||
and shouldn't overlap. It support 8 ranges at max.
|
||||
- qcom,jeita-fcc-ranges: Array of tuples in which a tuple describes a range
|
||||
data of sw-jeita FCC (full charging current) setting.
|
||||
A range contains following 3 integer elements:
|
||||
[0]: the low threshold of battery temperature in deci-degree;
|
||||
[1]: the high threshold of battery temperature in deci-degree;
|
||||
[2]: the FCC in uA when battery temperature falls between
|
||||
the low and high thresholds.
|
||||
The threshold values in range should be in ascending
|
||||
and shouldn't overlap. It support 8 ranges at max.
|
||||
- qcom,jeita-fv-ranges: Array of tuples in which a tuple describes a range
|
||||
data of sw-jeita FV (float voltage) setting.
|
||||
A range contains following 3 integer elements:
|
||||
[0]: the low threshold of battery temperature in deci-degree;
|
||||
[1]: the high threshold of battery temperature in deci-degree;
|
||||
[3]: the FV in uV when battery temperature falls between
|
||||
the low and high thresholds.
|
||||
The threshold values in range should be in ascending
|
||||
and shouldn't overlap. It support 8 ranges at max.
|
||||
- qcom,jeita-soft-thresholds: A tuple entry to specify ADC code for battery's soft JEITA
|
||||
threshold.
|
||||
<SOFT_COLD_ADC_CODE, SOFT_HOT_ADC_CODE>.
|
||||
- qcom,jeita-hard-thresholds: A tuple entry to specify ADC code for battery's hard JEITA
|
||||
threshold.
|
||||
<HARD_COLD_ADC_CODE, HARD_HOT_ADC_CODE>.
|
||||
|
||||
Profile data node required subnodes:
|
||||
- qcom,fcc-temp-lut : An 1-dimensional lookup table node that encodes
|
||||
temperature to fcc lookup. The units for this lookup
|
||||
table should be degrees celsius to milliamp-hours.
|
||||
- qcom,pc-temp-ocv-lut : A 2-dimensional lookup table node that encodes
|
||||
temperature and percent charge to open circuit voltage
|
||||
lookup. The units for this lookup table should be
|
||||
degrees celsius and percent to millivolts.
|
||||
- qcom,rbatt-sf-lut : A 2-dimentional lookup table node that encodes
|
||||
temperature and percent charge to battery internal
|
||||
resistance lookup. The units for this lookup table
|
||||
should be degrees celsius and percent to milliohms.
|
||||
|
||||
Profile data node optional subnodes:
|
||||
- qcom,ibat-acc-luit: A 2-dimentional lookup table that encodes temperature
|
||||
and battery current to battery ACC (apparent charge
|
||||
capacity). The units for this lookup table should be
|
||||
temperature in degrees celsius, ibat in milli-amps
|
||||
and ACC in milli-ampere-hour.
|
||||
|
||||
Lookup table required properties:
|
||||
- qcom,lut-col-legend : An array that encodes the legend of the lookup table's
|
||||
columns. The length of this array will determine the
|
||||
lookup table's width.
|
||||
- qcom,lut-data : An array that encodes the lookup table's data. The size of this
|
||||
array should be equal to the size of qcom,lut-col-legend
|
||||
multiplied by 1 if it's a 1-dimensional table, or
|
||||
the size of qcom,lut-row-legend if it's a 2-dimensional
|
||||
table. The data should be in a flattened row-major
|
||||
representation.
|
||||
|
||||
Lookup table optional properties:
|
||||
- qcom,lut-row-legend : An array that encodes the legend of the lookup table's rows.
|
||||
If this property exists, then it is assumed that the
|
||||
lookup table is a 2-dimensional table.
|
||||
|
||||
Example:
|
||||
|
||||
In msm8974-mtp.dtsi:
|
||||
|
||||
mtp_batterydata: qcom,battery-data {
|
||||
qcom,rpull-up-kohm = <100>;
|
||||
qcom,vref-batt-therm-uv = <1800000>;
|
||||
|
||||
/include/ "batterydata-palladium.dtsi"
|
||||
/include/ "batterydata-mtp-3000mah.dtsi"
|
||||
};
|
||||
|
||||
&pm8941_bms {
|
||||
qcom,battery-data = <&mtp_batterydata>;
|
||||
};
|
||||
|
||||
In batterydata-palladium.dtsi:
|
||||
|
||||
qcom,palladium-batterydata {
|
||||
qcom,fcc-mah = <1500>;
|
||||
qcom,default-rbatt-mohm = <236>;
|
||||
qcom,rbatt-capacitive-mohm = <50>;
|
||||
qcom,flat-ocv-threshold-uv = <3800000>;
|
||||
qcom,max-voltage-uv = <4200000>;
|
||||
qcom,v-cutoff-uv = <3400000>;
|
||||
qcom,chg-term-ua = <100000>;
|
||||
qcom,batt-id-kohm = <75>;
|
||||
qcom,jeita-soft-thresholds = <0x3ecc 0x1bff>;
|
||||
qcom,jeita-hard-thresholds = <0x4aff 0x15aa>;
|
||||
qcom,step-chg-ranges = <3600000 4000000 3000000
|
||||
4001000 4200000 2800000
|
||||
4201000 4400000 2000000>;
|
||||
qcom,jeita-fcc-ranges = <0 100 600000
|
||||
101 200 2000000
|
||||
201 450 3000000
|
||||
451 550 600000>;
|
||||
qcom,jeita-fv-ranges = <0 100 4200000
|
||||
101 450 4350000
|
||||
451 550 4200000>;
|
||||
qcom,battery-type = "palladium_1500mah";
|
||||
|
||||
qcom,fcc-temp-lut {
|
||||
qcom,lut-col-legend = <(-20) 0 25 40 65>;
|
||||
qcom,lut-data = <1492 1492 1493 1483 1502>;
|
||||
};
|
||||
|
||||
qcom,pc-temp-ocv-lut {
|
||||
qcom,lut-col-legend = <(-20) 0 25 40 65>;
|
||||
qcom,lut-row-legend = <100 95 90 85 80 75 70>,
|
||||
<65 60 55 50 45 40 35>,
|
||||
<30 25 20 15 10 9 8>,
|
||||
<7 6 5 4 3 2 1 0>;
|
||||
qcom,lut-data = <4173 4167 4163 4156 4154>,
|
||||
<4104 4107 4108 4102 4104>,
|
||||
<4057 4072 4069 4061 4060>,
|
||||
<3973 4009 4019 4016 4020>,
|
||||
<3932 3959 3981 3982 3983>,
|
||||
<3899 3928 3954 3950 3950>,
|
||||
<3868 3895 3925 3921 3920>,
|
||||
<3837 3866 3898 3894 3892>,
|
||||
<3812 3841 3853 3856 3862>,
|
||||
<3794 3818 3825 3823 3822>,
|
||||
<3780 3799 3804 3804 3803>,
|
||||
<3768 3787 3790 3788 3788>,
|
||||
<3757 3779 3778 3775 3776>,
|
||||
<3747 3772 3771 3766 3765>,
|
||||
<3736 3763 3766 3760 3746>,
|
||||
<3725 3749 3756 3747 3729>,
|
||||
<3714 3718 3734 3724 3706>,
|
||||
<3701 3703 3696 3689 3668>,
|
||||
<3675 3695 3682 3675 3662>,
|
||||
<3670 3691 3680 3673 3661>,
|
||||
<3661 3686 3679 3672 3656>,
|
||||
<3649 3680 3676 3669 3641>,
|
||||
<3633 3669 3667 3655 3606>,
|
||||
<3610 3647 3640 3620 3560>,
|
||||
<3580 3607 3596 3572 3501>,
|
||||
<3533 3548 3537 3512 3425>,
|
||||
<3457 3468 3459 3429 3324>,
|
||||
<3328 3348 3340 3297 3172>,
|
||||
<3000 3000 3000 3000 3000>;
|
||||
};
|
||||
|
||||
qcom,rbatt-sf-lut {
|
||||
qcom,lut-col-legend = <(-20) 0 25 40 65>;
|
||||
qcom,lut-row-legend = <100 95 90 85 80 75 70>,
|
||||
<65 60 55 50 45 40 35>,
|
||||
<30 25 20 15 10 9 8>,
|
||||
<7 6 5 4 3 2 1 0>;
|
||||
qcom,lut-data = <357 187 100 91 91>,
|
||||
<400 208 105 94 94>,
|
||||
<390 204 106 95 96>,
|
||||
<391 201 108 98 98>,
|
||||
<391 202 110 98 100>,
|
||||
<390 200 110 99 102>,
|
||||
<389 200 110 99 102>,
|
||||
<393 202 101 93 100>,
|
||||
<407 205 99 89 94>,
|
||||
<428 208 100 91 96>,
|
||||
<455 212 102 92 98>,
|
||||
<495 220 104 93 101>,
|
||||
<561 232 107 95 102>,
|
||||
<634 245 112 98 98>,
|
||||
<714 258 114 98 98>,
|
||||
<791 266 114 97 100>,
|
||||
<871 289 108 95 97>,
|
||||
<973 340 124 108 105>,
|
||||
<489 241 109 96 99>,
|
||||
<511 246 110 96 99>,
|
||||
<534 252 111 95 98>,
|
||||
<579 263 112 96 96>,
|
||||
<636 276 111 95 97>,
|
||||
<730 294 109 96 99>,
|
||||
<868 328 112 98 104>,
|
||||
<1089 374 119 101 115>,
|
||||
<1559 457 128 105 213>,
|
||||
<12886 1026 637 422 3269>,
|
||||
<170899 127211 98968 88907 77102>;
|
||||
};
|
||||
|
||||
qcom,ibat-acc-lut {
|
||||
qcom,lut-col-legend = <(-20) 0 25>;
|
||||
qcom,lut-row-legend = <0 250 500 1000>;
|
||||
qcom,lut-data = <1470 1470 1473>,
|
||||
<1406 1406 1430>,
|
||||
<1247 1247 1414>,
|
||||
<764 764 1338>;
|
||||
};
|
||||
};
|
||||
|
Loading…
Reference in a new issue