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Merge "dt-bindings: smb1398: Snapshot of dt binding for smb1398-charger device"

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40
NOTICE Normal file
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This NOTICE file contains certain notices of software components included
with the software that Qualcomm Technologies, Inc. ("Qualcomm Technologies") is required to
provide you. Notwithstanding anything in the notices in this file, your use
of these software components together with the Qualcomm Technologies software (Qualcomm Technologies
software hereinafter referred to as "Software") is subject to the terms of
your license from Qualcomm Technologies. Compliance with all copyright laws and software
license agreements included in the notice section of this file are the
responsibility of the user. Except as may be granted by separate express
written agreement, this file provides no license to any patents,
trademarks, copyrights, or other intellectual property.
Copyright (c) 2022 Qualcomm Technologies, Inc. All rights reserved.
Qualcomm is a registered trademark and registered service mark of
QUALCOMM Incorporated. All other trademarks and service marks are the
property of their respective owners.
________________________________________
NOTICES
________________________________________
/*
* Copyright (C) 2008 Shanghai awinic technology co.,ltd. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS
* IN THE SOFTWARE.
*/

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bindings/leds/leds-aw2016.txt Normal file
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/*
* Copyright (C) 2008 Shanghai awinic technology co.,ltd. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS
* IN THE SOFTWARE.
*/
Awinic. AW2016 LED
AW2016 LED device supports 3 LED channels and the driver
register each channel as a single LED class device and
exports interfaces to update brightness, set timer trigger
and enable HW based blink functionalities.
- compatible
Usage: required
Value type: <string>
Definition: Must be "awinic,aw2016_led"
- reg
Usage: required
Value type: <u32>
Definition: The 7-bit I2C address for AW2016 chip.
Properties for child properties:
- awinic,name
Usage: required
Value type: <string>
Definition: Name of the LED which will be register as the LED class
device name.
- awinic,id
Usage: required
Value type: <u32>
Definition: It represents the LED hardware channel index. The valid
values are: 0, 1, 2.
- awinic,imax
Usage: required
Value type: <u32>
Definition: The setting of the maximum current for the given LED channel,
the valid values are: 0, 1, 2, 3, and the corresponding current
setting are: 15mA, 30mA, 5mA, 10mA.
- awinic,led-current
Usage: required
Value type: <u32>
Definition: The setting of the current when the LED channel is enabled.
- awinic,max-brightness
Usage: required
Value type: <u32>
Definition: The maximum brightness value for the LED class device.
- awinic,rise-time-ms
Usage: required
Value type <u32>
Definition: The duration of the led ramping from 0 to maximum brightness
when breath function is enabled.
- awinic,hold-time-ms
Usage: required
Value type: <u32>
Definition: The duration of the led staying at the maximum brightness
when breath function is enabled.
- awinic,fall-time-ms
Usage: required
Value type: <u32>
Definition: The duration of the led ramping down from maximum brightness
to 0 when breath function is enabled.
- awinic,off-time-ms
Usage: required
Value type: <u32>
Definition: The duration of the led staying at 0 brightness when breath
function is enabled.
Example:
awinic@64 {
compatible = "awinic,aw2016_led";
reg = <0x64>;
awinic,red {
awinic,name = "red";
awinic,id = <0>;
awinic,imax = <2>;
awinic,led-current = <3>;
awinic,max-brightness = <255>;
awinic,rise-time-ms = <6>;
awinic,hold-time-ms = <0>;
awinic,fall-time-ms = <6>;
awinic,off-time-ms = <4>;
};
awinic,green {
awinic,name = "green";
awinic,id = <1>;
awinic,imax = <2>;
awinic,led-current = <3>;
awinic,max-brightness = <255>;
awinic,rise-time-ms = <6>;
awinic,hold-time-ms = <0>;
awinic,fall-time-ms = <6>;
awinic,off-time-ms = <4>;
};
awinic,blue {
awinic,name = "blue";
awinic,id = <2>;
awinic,imax = <2>;
awinic,led-current = <3>;
awinic,max-brightness = <255>;
awinic,rise-time-ms = <6>;
awinic,hold-time-ms = <0>;
awinic,fall-time-ms = <6>;
awinic,off-time-ms = <4>;
};
};

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bindings/leds/leds-qpnp-vibrator-ldo.txt Normal file
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Qualcomm Technologies, Inc. Vibrator-LDO
QPNP (Qualcomm Technologies, Inc. Plug N Play) Vibrator-LDO is a peripheral
on some QTI PMICs. It can be interfaced with the host processor via SPMI.
Vibrator-LDO peripheral supports Eccentric Rotation Mass (ERM) vibrator.
Properties:
- compatible
Usage: required
Value type: <string>
Definition: "qcom,qpnp-vibrator-ldo".
- reg
Usage: required
Value type: <u32>
Definition: Base address of vibrator-ldo peripheral.
- qcom,vib-ldo-volt-uv
Usage: required
Value type: <u32>
Definition: The optimal voltage requirement of the vibrator motor for
a normal vibration. Value is specified in microvolts.
- qcom,disable-overdrive
Usage: optional
Value type: <empty>
Definition: Do not apply overdrive voltage.
- qcom,vib-overdrive-volt-uv
Usage: optional and not required if qcom,disable-overdrive present
Value type: <u32>
Definition: The voltage in microvolts used as overdrive factor for
improving motor reactivity at the start of vibration.
If this property not specified, a default value of
2 times the value specified in qcom,vib-ldo-volt-uv
property is used.
=======
Example
=======
pmi632_vib: qcom,vibrator@5700 {
compatible = "qcom,qpnp-vibrator-ldo";
reg = <0x5700 0x100>;
qcom,vib-ldo-volt-uv = <1504000>;
qcom,disable-overdrive;
qcom,vib-overdrive-volt-uv = <3544000>;
};

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Qualcomm Technologies, Inc. QPNP PMIC QGAUGE (QG) Device
QPNP PMIC QGAUGE device provides the ability to gauge the State-of-Charge
of the battery. It provides an interface to the clients to read various
battery related parameters.
=======================
Required Node Structure
=======================
Qgauge device must be described in two level of nodes. The first level
describes the properties of the Qgauge device and the second level
describes the peripherals managed/used of the module.
====================================
First Level Node - QGAUGE device
====================================
- compatible
Usage: required
Value type: <string>
Definition: Should be "qcom,qpnp-qg-lite" for PM2250.
Should be "qcom,pm6150-qg" for PM6150.
Should be "qcom,pmi632-qg" for PMI632.
Should be "qcom,pm7250b-qg" for PM7250B.
- io-channels
Usage: required
Value type: <phandle-array>
Definition: IIO channel specifiers for each name in io-channel-names.
- io-channel-names
Usage: required
Value type: <string-array>
Definition: Names of the IIO channels that are used by QG device.
- qcom,qg-vadc
Usage: required
Value type: <phandle>
Definition: Phandle for the VADC node, it is used for BATT_ID and
BATT_THERM readings.
- qcom,vbatt-empty-mv
Usage: optional
Value type: <u32>
Definition: The battery voltage threshold (in mV) at which the
vbatt-empty interrupt fires. The SOC is forced to 0
when this interrupt fires. If not specified, the
default value is 3200 mV.
- qcom,vbatt-empty-cold-mv
Usage: optional
Value type: <u32>
Definition: The battery voltage threshold (in mV) at which the
vbatt-empty interrupt fires. This threshold is only
applied at cold temperature specified by
'qcom,cold-temp-threshold'. The SOC is forced to 0
when this interrupt fires. If not specified, the
default value is 3000 mV.
- qcom,vbatt-cutoff-mv
Usage: optional
Value type: <u32>
Definition: The battery voltage threshold (in mV) at which the
the Qgauge algorithm converges to 0 SOC. If not specified
the default value is 3400 mV.
- qcom,vbatt-low-mv
Usage: optional
Value type: <u32>
Definition: The battery voltage threshold (in mV) at which the
the VBAT_LOW interrupt fires. Software can take necessary
the action when this interrupt fires. If not specified
the default value is 3500 mV.
- qcom,vbatt-low-cold-mv
Usage: optional
Value type: <u32>
Definition: The battery voltage threshold (in mV) at which the
the VBAT_LOW interrupt fires. The threshold is only
applied at cold temperature specified by
'qcom,cold-temp-threshold'. Software can take necessary
the action when this interrupt fires. If not specified
the default value is 3800 mV.
- qcom,qg-iterm-ma
Usage: optional
Value type: <u32>
Definition: The battery current (in mA) at which the QG algorithm
converges the SOC to 100% during charging and can be used to
terminate charging. If not specified, the default value is
100mA.
- qcom,delta-soc
Usage: optional
Value type: <u32>
Definition: The SOC percentage increase at which the SOC is
periodically reported to the userspace. If not specified,
the value defaults to 1%.
- qcom,s2-fifo-length
Usage: optional
Value type: <u32>
Definition: The total number if FIFO samples which need to be filled up
in S2 state of QG to fire the FIFO DONE interrupt.
Minimum value = 1 Maximum Value = 8. If not specified,
the default value is 5.
- qcom,s2-acc-length
Usage: optional
Value type: <u32>
Definition: The number of distinct V & I samples to be accumulated
in each FIFO in the S2 state of QG.
Minimum Value = 0 Maximum Value = 256. If not specified,
the default value is 128.
- qcom,s2-acc-interval-ms
Usage: optional
Value type: <u32>
Definition: The time (in ms) between each of the V & I samples being
accumulated in FIFO.
Minimum Value = 0 ms Maximum Value = 2550 ms. If not
specified the default value is 100 ms.
- qcom,ocv-timer-expiry-min
Usage: optional
Value type: <u32>
Definition: The maximum time (in minutes) for the QG to transition from
S3 to S2 state.
Minimum Value = 2 min Maximum Value = 30 min. If not
specified the hardware default is set to 14 min.
- qcom,ocv-tol-threshold-uv
Usage: optional
Value type: <u32>
Definition: The OCV detection error tolerance (in uV). The maximum
voltage allowed between 2 VBATT readings in the S3 state
to qualify for a valid OCV.
Minimum Value = 0 uV Maximum Value = 12262 uV Step = 195 uV
- qcom,s3-entry-fifo-length
Usage: optional
Value type: <u32>
Definition: The minimum number if FIFO samples which have to qualify the
S3 IBAT entry threshold (qcom,s3-entry-ibat-ua) for QG
to enter into S3 state.
Minimum Value = 1 Maximum Value = 8. The hardware default
is configured to 3.
- qcom,s3-entry-ibat-ua
Usage: optional
Value type: <u32>
Definition: The battery current (in uA) for the QG to enter into the S3
state. The QG algorithm enters into S3 if the battery
current is lower than this threshold consecutive for
the FIFO length specified in 'qcom,s3-entry-fifo-length'.
Minimum Value = 0 uA Maximum Value = 155550 uA
Step = 610 uA.
- qcom,s3-exit-ibat-ua
Usage: optional
Value type: <u32>
Definition: The battery current (in uA) for the QG to exit S3 state.
If the battery current is higher than this threshold QG
exists S3 state.
Minimum Value = 0 uA Maximum Value = 155550 uA
Step = 610 uA.
- qcom,rbat-conn-mohm
Usage: optional
Value type: <u32>
Definition: Resistance of the battery connectors in mOhms.
- qcom,ignore-shutdown-soc-secs
Usage: optional
Value type: <u32>
Definition: Time in seconds beyond which shutdown SOC is ignored.
If not specified the default value is 360 secs.
- qcom,hold-soc-while-full
Usage: optional
Value type: <empty>
Definition: A boolean property that when defined holds SOC at 100% when
the battery is full until recharge starts.
- qcom,linearize-soc
Usage: optional
Value type: <empty>
Definition: A boolean property that when defined linearizes SOC when
the SOC drops after charge termination monotonically to
improve the user experience. This is applicable only if
"qcom,hold-soc-while-full" is specified.
- qcom,cold-temp-threshold
Usage: optional
Value type: <u32>
Definition: Temperature threshold in decidegree at which the low
temperature specific configuration as applied. If not
specified, the default value is 0 degree centigrade.
- qcom,cl-disable
Usage: optional
Value type: <empty>
Definition: A boolean property to disable the battery capacity
learning when charging.
- qcom,cl-feedback-on
Usage: optional
Value type: <empty>
Definition: A boolean property to feedback the learned capacity into
the capacity lerning algorithm. This has to be used only if the
property "qcom,cl-disable" is not specified.
- qcom,cl-max-start-soc
Usage: optional
Value type: <u32>
Definition: Battery SOC has to be below or equal to this value at the
start of a charge cycle to start the capacity learning.
If this is not specified, then the default value used
will be 15. Unit is in percentage.
- qcom,cl-min-start-soc
Usage: optional
Value type: <u32>
Definition: Battery SOC has to be above or equal to this value at the
start of a charge cycle to start the capacity learning.
If this is not specified, then the default value used
will be 10. Unit is in percentage.
- qcom,cl-min-temp
Usage: optional
Value type: <u32>
Definition: Lower limit of battery temperature to start the capacity
learning. If this is not specified, then the default value
used will be 150 (15 C). Unit is in decidegC.
- qcom,cl-max-temp
Usage: optional
Value type: <u32>
Definition: Upper limit of battery temperature to start the capacity
learning. If this is not specified, then the default value
used will be 500 (50 C). Unit is in decidegC.
- qcom,cl-max-increment
Usage: optional
Value type: <u32>
Definition: Maximum capacity increment allowed per capacity learning
cycle. If this is not specified, then the default value
used will be 5 (0.5%). Unit is in decipercentage.
- qcom,cl-max-decrement
Usage: optional
Value type: <u32>
Definition: Maximum capacity decrement allowed per capacity learning
cycle. If this is not specified, then the default value
used will be 100 (10%). Unit is in decipercentage.
- qcom,cl-min-limit
Usage: optional
Value type: <u32>
Definition: Minimum limit that the capacity cannot go below in a
capacity learning cycle. If this is not specified, then
the default value is 0. Unit is in decipercentage.
- qcom,cl-max-limit
Usage: optional
Value type: <u32>
Definition: Maximum limit that the capacity cannot go above in a
capacity learning cycle. If this is not specified, then
the default value is 0. Unit is in decipercentage.
- qcom,cl-min-delta-batt-soc
Usage: optional
Value type: <u32>
Definition: Minimum change in battery SOC to qualify for capacity
learning. If this is not specified, then the default
value is 10. Unit is in percentage.
- qcom,cl-wt-enable
Usage: optional
Value type: <bool>
Definition: A boolean property to enable weighted capacity learning
based on change in battery SOC during a charging cycle.
If this is specified, then "qcom,cl-min-start-soc" and
"qcom,cl-max-start-soc" is not used.
- qcom,esr-disable
Usage: optional
Value type: <bool>
Definition: Boolean property to disable ESR estimation. If not defined
ESR estimation stays enabled for charge-cycles.
- qcom,esr-discharge-enable
Usage: optional
Value type: <bool>
Definition: Boolean property to enable ESR estimation during discharge.
Only valid if 'qcom,esr-disable' is not defined.
- qcom,esr-qual-current-ua
Usage: optional
Value type: <u32>
Definition: Minimum current differential in uA to qualify an ESR
reading as valid. If not defined the value defaults
to 130mA.
- qcom,esr-qual-vbatt-uv
Usage: optional
Value type: <u32>
Definition: Minimum vbatt differential in uV to qualify an ESR
reading as valid. If not defined the value defaults
to 7mV.
- qcom,esr-disable-soc
Usage: optional
Value type: <u32>
Definition: Minimum battery SOC below which ESR will not be
attempted by QG. If not defined the value defaults
to 10%.
- qcom,esr-chg-min-ibat-ua
Usage: optional
Value type: <int>
Definition: Minimun charge current (IBAT) in uA at which ESR will
be attempted. If not specified the default value is
in -450mA.
- qcom,qg-ext-sns
Usage: optional
Value type: <bool>
Definition: Boolean property to support external-rsense based
configuration.
- qcom,shutdown-temp-diff
Usage: optional
Value type: <u32>
Definition: The allowed battery temperature in deci-degree difference
between shutdown and power-on to continue with the shutdown
SOC. If not specified the default value is 6 degrees C (60).
- qcom,shutdown-soc-threshold
Usage: optional
Value type: <u32>
Definition: The SOC difference allowed between PON and SHUTDOWN SOC
for the shutdown SOC to be used. If the difference is
beyond this value the PON SOC is used.
- qcom,qg-use-s7-ocv
Usage: optional
Value type: <bool>
Definition: Boolean property to use S7 for PON OCV.
- qcom,min-sleep-time-secs
Usage: optional
Value type: <u32>
Definition: The minimum sleep time in secs to allow a SOC
jump if there has been a GOOD_OCV.
- qcom,qg-sys-min-voltage
Usage: optional
Value type: <u32>
Definition: The voltage threshold (in mV) which describes the system
minimum voltage as per the hardware recommendation. This
is not used for any configuration but only for calculating
the available power. If this property is not specified,
then the default value used is 2800 mV.
- qcom,qg-sleep-config
Usage: optional
Value type: bool
Definition: Enables sleep-state configurtion for QG. This
allows configuring the FIFO length, accumulator
interval and the accumulator length when system
enters sleep.
- qcom,sleep-s2-fifo-length
Usage: optional
Value type: <u32>
Definition: The FIFO length to be applied when system enters sleep
while discharging. Takes effect only if
'qcom,qg-sleep-config' is enabled. the default value
if not specified is 8.
- qcom,sleep-s2-acc-length
Usage: optional
Value type: <u32>
Definition: The accululator length to be applied when system
enters sleep while discharging. Takes effect only if
'qcom,qg-sleep-config' is enabled. the default value
if not specified is 256.
- qcom,sleep-s2-acc-intvl-ms
Usage: optional
Value type: <u32>
Definition: The accululator count to be applied when system
enters sleep while discharging. Takes effect only if
'qcom,qg-sleep-config' is enabled. the default value
if not specified is 200ms.
- qcom,qg-fast-chg-config
Usage: optional
Value type: bool
Definition: Enables fast-charge configurtion for QG. This
allows configuring the FIFO length during
fast charge.
- qcom,fast-chg-s2-fifo-length
Usage: optional
Value type: <u32>
Definition: The FIFO length to be applied when system enters
fast-chargging. Takes effect only if
'qcom,qg-fast-chg-config' is enabled. The
default value if not specified is 1.
- qcom,fvss-enable
Usage: optional
Value type: bool
Definition: Enable Filtered Voltage based SOC scaling.
This logic enables SOC scaling to report
0 at the cutoff voltage.
- qcom,fvss-vbatt-mv
Usage: optional
Value type: <u32>
Definition: Battery voltage threshold at which FVSS is
enabled. Applicable only if 'qcom,fvss-enable'
is set.
- qcom,multi-profile-load
Usage: optional
Value type: <bool>
Definition: A boolean property that when specified indicates that
multiple profile loading needs to be enabled. This requires
multiple battery profiles to be specified for a battery for
proper functionality.
- qcom,tcss-enable
Usage: optional
Value type: bool
Definition: Enable Termination current based SOC scaling.
This logic enables SOC scaling to report
100% at the QG termination current defined by
qcom,qg-iterm-ma.
- qcom,tcss-entry-soc
Usage: optional
Value type: <u32>
Definition: SOC threshold at which TCSS starts. The default
value is 90%. This property is valid only if
qcom,tcss-enable is defined.
- qcom,bass-enable
Usage: optional
Value type: bool
Definition: Enable Battery SOC based SOC scaling. This logic
allows monotonic-SOC scaling at low-temperatures
when there is variation in system-SOC due to
changes in the load.
==========================================================
Second Level Nodes - Peripherals managed by QGAUGE driver
==========================================================
- reg
Usage: required
Value type: <prop-encoded-array>
Definition: Addresses and sizes for the specified peripheral
- interrupts
Usage: optional
Value type: <prop-encoded-array>
Definition: Interrupt mapping as per the interrupt encoding
- interrupt-names
Usage: optional
Value type: <stringlist>
Definition: Interrupt names. This list must match up 1-to-1 with the
interrupts specified in the 'interrupts' property.
========
Example
========
pmi632_qg: qpnp,qg {
compatible = "qcom,pm7250b-qg";
qcom,qg-vadc = <&pmi632_vadc>;
qcom,vbatt-empty-mv = <3200>;
qcom,vbatt-low-mv = <3500>;
qcom,vbatt-cutoff-mv = <3400>;
qcom,qg-iterm-ma = <100>;
#io-channel-cells = <1>;
io-channels = <&pm7250b_charger PSY_IIO_RECHARGE_SOC>,
<&pm7250b_charger PSY_IIO_CHARGE_DONE>;
io-channel-names = "recharge_soc",
"charge_done";
qcom,qgauge@4800 {
status = "okay";
reg = <0x4800 0x100>;
interrupts = <0x2 0x48 0x0 IRQ_TYPE_EDGE_BOTH>,
<0x2 0x48 0x1 IRQ_TYPE_EDGE_BOTH>,
<0x2 0x48 0x2 IRQ_TYPE_EDGE_BOTH>,
<0x2 0x48 0x4 IRQ_TYPE_EDGE_BOTH>,
<0x2 0x48 0x5 IRQ_TYPE_EDGE_BOTH>,
<0x2 0x48 0x6 IRQ_TYPE_EDGE_BOTH>;
interrupt-names = "qg-batt-missing",
"qg-vbat-low",
"qg-vbat-empty",
"qg-fifo-done",
"qg-good-ocv",
"qg-fsm-state-chg",
"qg-event";
};
qcom,qg-sdam@b000 {
status = "okay";
reg = <0xb000 0x100>;
};
};

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Qualcomm Technologies, Inc. SMB5 Charger Specific Bindings
SMB5 Charger is an efficient programmable battery charger capable of charging a
high-capacity lithium-ion battery over micro-USB or USB Type-C ultrafast with
Quick Charge 2.0, Quick Charge 3.0, and USB Power Delivery support. Wireless
charging features full A4WP Rezence 1.2, WPC 1.2, and PMA support.
=======================
Required Node Structure
=======================
SMB5 Charger must be described in two levels of devices nodes.
===============================
First Level Node - SMB5 Charger
===============================
Charger specific properties:
- compatible
Usage: required
Value type: <string>
Definition: "qcom,pm8150-smb5" for SMB5 on PM8150.
"qcom,pm7250b-smb5" for SMB5 on PM7250B.
"qcom,pm6150-smb5" for SMB5 on PM6150.
"qcom,pmi632-smb5" for SMB5 on PMI632.
- #io-channel-cells:
Usage: required
Value type: <u32>
Definition: Number of cells in an IIO specifier.
Needed to indicate other clients can query charger for
IIO channels.
For details about IIO bindings see:
Documentation/devicetree/bindings/iio/iio-bindings.txt
- qcom,sec-charger-config
Usage: optional
Value type: <u32>
Definition: Specify how the secondary chargers are configured.
0 - No secondary charger.
1 - Charge Pump SMB1390.
2 - SMB1355 parallel charger.
3 - Both Charge Pump and SMB1355.
If the value is not present, 0 is used as default.
- io-channels
- io-channel-names
Usage: optional
Value type: <phandle>
Definition: For details about IIO bindings see:
Documentation/devicetree/bindings/iio/iio-bindings.txt
- qcom,batteryless-platform
Usage: optional
Value type: <empty>
Definition: Boolean flag which indicates that the platform does not have a
battery, and therefore charging should be disabled. In
addition battery properties will be faked such that the device
assumes normal operation.
- qcom,charger-temp-max
Usage: optional
Value type: <u32>
Definition: Specifies the charger temp REG_H_THRESHOLD for PM8150B in deciDegC.
If the value is not present, use the setting read from the device.
- qcom,smb-temp-max
Usage: optional
Value type: <u32>
Definition: Specifies the charger temp REG_H_THRESHOLD for SMB1355 in deciDegC.
If the value is not present, use the setting read from the device.
- qcom,fcc-max-ua
Usage: optional
Value type: <u32>
Definition: Specifies the maximum fast charge current in micro-amps.
If the value is not present, 1Amp is used as default.
- qcom,fv-max-uv
Usage: optional
Value type: <u32>
Definition: Specifies the maximum float voltage in micro-volts.
If the value is not present, 4.35V is used as default.
- qcom,usb-icl-ua
Usage: optional
Value type: <u32>
Definition: Specifies the USB input current limit in micro-amps.
If the value is not present, 1.5Amps is used as default.
- qcom,usb-ocl-ua
Usage: optional
Value type: <u32>
Definition: Specifies the OTG output current limit in micro-amps.
If the value is not present, 1.5Amps is used as default.
- qcom,dc-icl-ua
Usage: optional
Value type: <u32>
Definition: Specifies the DC input current limit in micro-amps.
- qcom,boost-threshold-ua
Usage: optional
Value type: <u32>
Definition: Specifies the boost current threshold in micro-amps.
If the value is not present, 100mA is used as default.
- qcom,thermal-mitigation
Usage: optional
Value type: Array of <u32>
Definition: Array of fast charge current limit values for
different system thermal mitigation levels.
This should be a flat array that denotes the
maximum charge current in mA for each thermal
level.
- qcom,float-option
Usage: optional
Value type: <u32>
Definition: Configures how the charger behaves when a float charger is
detected by APSD.
1 - Treat as a DCP.
2 - Treat as a SDP.
3 - Disable charging.
4 - Suspend USB input.
- qcom,hvdcp-disable
Usage: optional
Value type: <empty>
Definition: Specifies if hvdcp charging is to be enabled or not.
If this property is not specified hvdcp will be enabled.
If this property is specified, hvdcp 2.0 detection will still
happen but the adapter won't be asked to switch to a higher
voltage point.
- qcom,chg-inhibit-threshold-mv
Usage: optional
Value type: <u32>
Definition: Charge inhibit threshold in milli-volts. Charging will be
inhibited when the battery voltage is within this threshold
from Vfloat at charger insertion. If this is not specified
then charge inhibit will be disabled by default.
Allowed values are: 50, 100, 200, 300.
- qcom,chg-term-src
Usage: optional
Value type: <u32>
Definition: Specify either the ADC or analog comparators to be used in order
to set threshold values for charge termination current.
0 - Unspecified
1 - Select ADC comparator
2 - Select ANALOG comparator
- qcom,chg-term-current-ma
Usage: optional
Value type: <u32>
Definition: When ADC comparator is selected as qcom,chg-term-src, this
parameter should be set to the desired upper threshold.
- qcom,chg-term-base-current-ma
Usage: optional
Value type: <u32>
Definition: When ADC comparator is selected as qcom,chg-term-src, this
parameter should be set to the desired lower threshold.
- qcom,auto-recharge-soc
Usage: optional
Value type: <u32>
Definition: Specifies the SOC threshold at which the charger will
restart charging after termination. The value specified
ranges from 0 - 100. The feature is enabled if this
property is specified with a valid SOC value.
- qcom,auto-recharge-vbat-mv
Usage: optional
Value type: <u32>
Definition: Specifies the battery voltage threshold at which the charger
will restart charging after termination. The value specified
is in milli-volts.
- qcom,suspend-input-on-debug-batt
Usage: optional
Value type: <empty>
Definition: Boolean flag which when present enables input suspend for
debug battery.
- qcom,fake-chg-status-on-debug-batt
Usage: optional
Value type: <empty>
Definition: Boolean flag which when present shows charging status as
unknown for debug battery. This needs to be specified only if
the device needs to be kept powered on always with
"svc power stayon true".
- qcom,min-freq-khz
Usage: optional
Value type: <u32>
Definition: Specifies the minimum charger buck/boost switching frequency
in KHz. It overrides the min frequency defined for the charger.
- qcom,max-freq-khz
Usage: optional
Value type: <u32>
Definition: Specifies the maximum charger buck/boost switching frequency in
KHz. It overrides the max frequency defined for the charger.
- qcom,otg-deglitch-time-ms
Usage: optional
Value type: <u32>
Definition: Specifies the deglitch interval for OTG detection.
If the value is not present, 50 msec is used as default.
- qcom,step-charging-enable
Usage: optional
Value type: bool
Definition: Boolean flag which when present enables step-charging.
- qcom,typec-legacy-rp-icl
Usage: optional
Value type: bool
Definition: Boolean property to enable setting ICL based on Rp for
Type-C non-compliant legacy cables.
- qcom,wd-bark-time-secs
Usage: optional
Value type: <u32>
Definition: WD bark-timeout in seconds. The possible values are
16, 32, 64, 128. If not defined it defaults to 64.
- qcom,sw-jeita-enable
Usage: optional
Value type: bool
Definition: Boolean flag which when present enables sw compensation for
jeita.
- qcom,battery-data
Usage: optional
Value type: <phandle>
Definition: Specifies the phandle of the node which contains the battery
profiles supported on the device.
- qcom,flash-derating-soc
Usage: optional
Value type: <u32>
Definition: SOC threshold in percentage below which hardware will start
derating flash. This is only applicable to certain PMICs like
PMI632 which has SCHGM_FLASH peripheral.
- qcom,flash-disable-soc
Usage: optional
Value type: <u32>
Definition: SOC threshold in percentage below which hardware will disable
flash. This is only applicable to certain PMICs like PMI632
which has SCHGM_FLASH peripheral.
- qcom,headroom-mode
Usage: optional
Value type: <u32>
Definition: Specifies flash hardware headroom management policy. The
possible values are:
<0>: Fixed mode, constant 5V at flash input.
<1>: Adaptive mode allows charger output voltage to be
dynamically controlled by the flash module based on the
required flash headroom.
This is only applicable to certain PMICs like PMI632 which
has SCHGM_FLASH peripheral.
- qcom,fcc-stepping-enable
Usage: optional
Value type: bool
Definition: Boolean flag which when present enables stepwise change in FCC.
The default stepping rate is 100mA/sec.
- qcom,disable-suspend-on-collapse
Usage: optional
Value type: bool
Definition: Boolean flag which when present disables suspend on collapse
feature of charger hardware.
- qcom,uusb-moisture-protection-enable
Usage: optional
Value type: bool
Definition: Boolean flag which when present enables mositure protection
feature for uUSB connector type.
- qcom,hvdcp-autonomous-enable
Usage: optional
Value type: bool
Definition: Boolean flag which when present enables hardware-controlled
operation of HVDCP.
- qcom,usb-pd-disable
Usage: optional
Value type: bool
Definition: Boolean flag which when present disables USB-PD operation.
- qcom,lpd-disable
Usage: optional
Value type: bool
Definition: Boolean flag which when present disables liquid presence
detection.
- qcom,hw-die-temp-mitigation
Usage: optional
Value type: bool
Definition: Boolean flag which when present enables h/w based thermal
mitigation.
- qcom,hw-connector-mitigation
Usage: optional
Value type: bool
Definition: Boolean flag which when present enables h/w based
connector temperature mitigation.
- qcom,hw-skin-temp-mitigation
Usage: optional
Value type: bool
Definition: Boolean flag which when present enables h/w based skin
temperature mitigation.
- qcom,en-skin-therm-mitigation
Usage: optional
Value type: bool
Definition: Boolean flag which when present enables skin
thermal mitigation.
- qcom,connector-internal-pull-kohm
Usage: optional
Value type: <u32>
Definition: Specifies internal pull-up configuration to be applied to
connector THERM. The only valid values are (0/30/100/400).
If not specified 100K is used as default pull-up.
- qcom,smb-internal-pull-kohm
Usage: optional
Value type: <u32>
Definition: Specifies internal pull-up configuration to be applied to
connector THERM, only valid values are (0/30/100/400).
If not specified 100K is used as default pull-up.
- qcom,wd-snarl-time-config
Usage: optional
Value type: <u32>
Definition: WDOG snarl timeout configuration value. The possible values are
0 to 7, where 0 = 62.5ms, 1 = 125ms, 2 = 250ms, 3 = 500ms,
4 = 1s, 5 = 2s, 6 = 4s and 7 = 8s. If not defined, wdog-snarl
irq is disabled by default.
- qcom,adc-based-aicl
Usage: optional
Value type: bool
Definition: Boolean flag which when present enables ADC based AICL.
- qcom,wls-current-max-ua
Usage: optional
Value type: <u32>
Definition: Upper limit of charging current supplied by the wireless charger.
If left unspecified, the HW min value of 1.5 A is applied by
default.
- qcom,fcc-step-delay-ms
Usage: optional
Value type: <u32>
Definition: Specifies the delay between each step of FCC stepper algorithm.
If left unspecified, the default value is 1 Sec.
- qcom,fcc-step-size-ua
Usage: optional
Value type: <u32>
Definition: Specifies the step size of each step of FCC stepper algorithm.
If left unspecified, the default value is 100mA.
- qcom,hvdcp2-max-icl-ua
Usage: optional
Value type: <u32>
Definition: Specifies the maximum input current limit that can be configured
for HVDCP2 adapter.
If left unspecified, the default value is 3000mA.
- qcom,hvdcp3-max-icl-ua
Usage: optional
Value type: <u32>
Definition: Specifies the maximum input current limit that can be configured
for HVDCP3 adapter.
If left unspecified, the default value is 3000mA.
- qcom,hvdcp3-standalone-config
Usage: optional
Value type: bool
Definition: Boolean flag which when present indicates that the charging is
only done by the main charger (standalone, no CP) with a QC 3.0
adapter.
- qcom,disable-fcc-restriction
Usage: optional
Value type: bool
Definition: Boolean flag which when present disables FCC restriction.
- qcom,jeita-arb-enable
Usage: optional
Value type: bool
Definition: Boolean flag which indicates if JETIA ARB handling when
Vjeita > Vbatt is enabled.
=============================================
Second Level Nodes - SMB5 Charger Peripherals
=============================================
Peripheral specific properties:
- reg
Usage: required
Value type: <prop-encoded-array>
Definition: Address and size of the peripheral's register block.
- interrupts
Usage: required
Value type: <prop-encoded-array>
Definition: Peripheral interrupt specifier.
- interrupt-names
Usage: required
Value type: <stringlist>
Definition: Interrupt names. This list must match up 1-to-1 with the
interrupts specified in the 'interrupts' property.
=======
Example
=======
pm8150b_charger: qcom,qpnp-smb5 {
compatible = "qcom,qpnp-smb5";
#address-cells = <1>;
#size-cells = <1>;
#io-channel-cells = <1>;
dpdm-supply = <&qusb_phy0>;
qcom,sec-charger-config = <1>;
io-channels = <&pm8150b_vadc ADC_USB_IN_V_16>,
<&pm8150b_vadc ADC_USB_IN_I>,
<&pm8150b_vadc ADC_CHG_TEMP>,
<&pm7250b_qg PSY_IIO_RESISTANCE_ID>,
<&pm7250b_qg PSY_IIO_CHARGE_COUNTER>,
<&pm7250b_qg PSY_IIO_CHARGE_FULL>;
io-channel-names = "usb_in_voltage",
"usb_in_current",
"chg_temp",
"resistance_id",
"charge_counter",
"charge_full";
qcom,chgr@1000 {
reg = <0x1000 0x100>;
interrupts = <0x2 0x10 0x0 IRQ_TYPE_NONE>,
<0x2 0x10 0x1 IRQ_TYPE_NONE>,
<0x2 0x10 0x2 IRQ_TYPE_NONE>,
<0x2 0x10 0x3 IRQ_TYPE_NONE>,
<0x2 0x10 0x4 IRQ_TYPE_NONE>;
interrupt-names = "chg-error",
"chg-state-change",
"step-chg-state-change",
"step-chg-soc-update-fail",
"step-chg-soc-update-request";
};
qcom,otg@1100 {
reg = <0x1100 0x100>;
interrupts = <0x2 0x11 0x0 IRQ_TYPE_NONE>,
<0x2 0x11 0x1 IRQ_TYPE_NONE>,
<0x2 0x11 0x2 IRQ_TYPE_NONE>,
<0x2 0x11 0x3 IRQ_TYPE_NONE>;
interrupt-names = "otg-fail",
"otg-overcurrent",
"otg-oc-dis-sw-sts",
"testmode-change-detect";
};
qcom,bat-if@1200 {
reg = <0x1200 0x100>;
interrupts = <0x2 0x12 0x0 IRQ_TYPE_NONE>,
<0x2 0x12 0x1 IRQ_TYPE_NONE>,
<0x2 0x12 0x2 IRQ_TYPE_NONE>,
<0x2 0x12 0x3 IRQ_TYPE_NONE>,
<0x2 0x12 0x4 IRQ_TYPE_NONE>,
<0x2 0x12 0x5 IRQ_TYPE_NONE>;
interrupt-names = "bat-temp",
"bat-ocp",
"bat-ov",
"bat-low",
"bat-therm-or-id-missing",
"bat-terminal-missing";
};
qcom,usb-chgpth@1300 {
reg = <0x1300 0x100>;
interrupts = <0x2 0x13 0x0 IRQ_TYPE_NONE>,
<0x2 0x13 0x1 IRQ_TYPE_NONE>,
<0x2 0x13 0x2 IRQ_TYPE_NONE>,
<0x2 0x13 0x3 IRQ_TYPE_NONE>,
<0x2 0x13 0x4 IRQ_TYPE_NONE>,
<0x2 0x13 0x5 IRQ_TYPE_NONE>,
<0x2 0x13 0x6 IRQ_TYPE_NONE>,
<0x2 0x13 0x7 IRQ_TYPE_NONE>;
interrupt-names = "usbin-collapse",
"usbin-lt-3p6v",
"usbin-uv",
"usbin-ov",
"usbin-plugin",
"usbin-src-change",
"usbin-icl-change",
"type-c-change";
};
qcom,dc-chgpth@1400 {
reg = <0x1400 0x100>;
interrupts = <0x2 0x14 0x0 IRQ_TYPE_NONE>,
<0x2 0x14 0x1 IRQ_TYPE_NONE>,
<0x2 0x14 0x2 IRQ_TYPE_NONE>,
<0x2 0x14 0x3 IRQ_TYPE_NONE>,
<0x2 0x14 0x4 IRQ_TYPE_NONE>,
<0x2 0x14 0x5 IRQ_TYPE_NONE>,
<0x2 0x14 0x6 IRQ_TYPE_NONE>;
interrupt-names = "dcin-collapse",
"dcin-lt-3p6v",
"dcin-uv",
"dcin-ov",
"dcin-plugin",
"div2-en-dg",
"dcin-icl-change";
};
qcom,chgr-misc@1600 {
reg = <0x1600 0x100>;
interrupts = <0x2 0x16 0x0 IRQ_TYPE_NONE>,
<0x2 0x16 0x1 IRQ_TYPE_NONE>,
<0x2 0x16 0x2 IRQ_TYPE_NONE>,
<0x2 0x16 0x3 IRQ_TYPE_NONE>,
<0x2 0x16 0x4 IRQ_TYPE_NONE>,
<0x2 0x16 0x5 IRQ_TYPE_NONE>,
<0x2 0x16 0x6 IRQ_TYPE_NONE>,
<0x2 0x16 0x7 IRQ_TYPE_NONE>;
interrupt-names = "wdog-snarl",
"wdog-bark",
"aicl-fail",
"aicl-done",
"high-duty-cycle",
"input-current-limiting",
"temperature-change",
"switcher-power-ok";
};
qcom,schgm-flash@a600 {
reg = <0xa600 0x100>;
interrupts = <0x2 0xa6 0x0 IRQ_TYPE_NONE>,
<0x2 0xa6 0x1 IRQ_TYPE_NONE>,
<0x2 0xa6 0x2 IRQ_TYPE_NONE>,
<0x2 0xa6 0x3 IRQ_TYPE_NONE>,
<0x2 0xa6 0x4 IRQ_TYPE_NONE>,
<0x2 0xa6 0x5 IRQ_TYPE_NONE>,
<0x2 0xa6 0x6 IRQ_TYPE_NONE>,
<0x2 0xa6 0x7 IRQ_TYPE_NONE>;
interrupt-names = "flash-en",
"torch-req",
"flash-state-change",
"vout-up",
"vout-down",
"ilim1-s1",
"ilim2-s2",
"vreg-ok";
};
};

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Qualcomm Technologies, Inc. SMB1355 Charger Specific Bindings
SMB1355 slave charger is paired with QTI family of standalone chargers to
enable a high current, low profile Li+ battery charging system.
The device provides 28V DC withstand, wide operating input range of 3.8 to
14.2V for standard 5V USB inputs as well as a wide variety of HVDCP Travel
Adapters and is compatible with QTI's Quick Charge technology.
=======================
Required Node Structure
=======================
SMB1355 Charger must be described in two levels of device nodes.
==================================
First Level Node - SMB1355 Charger
==================================
Charger specific properties:
- compatible
Usage: required
Value type: <string>
Definition: "qcom,smb1355".
- qcom,pmic-revid
Usage: required
Value type: phandle
Definition: Should specify the phandle of SMB's revid module. This is used
to identify the SMB subtype.
- qcom,disable-ctm
Usage: optional
Value type: <empty>
Definition: boolean flag. Usually a thermistor near usb/typeC connector is
connected to AUX. Set this flag to indicate the thermistor
doesn't exist.
- qcom,parallel-mode
Usage: optional
Value type: <u32>
Definition: Specifies parallel charging mode. If not specified, MID-MID
option is selected by default.
- qcom,stacked-batfet
Usage: optional
Value type: <empty>
Definition: boolean flag. Specifies if parallel charger has stacked BATFET
configuration.
In stacked batfet the main and parallel charger's batfet are
stacked one after the other and thus all the charge current
(FCC) flows through main. In a non-stacked configuration each
charger controls the charge current (FCC) separately.
- qcom,die-temp-threshold-degc
Usage: optional
Value type: <u32>
Definition: Specifies DIE temp threshold beyond which h/w starts mitigation.
If not sepcified, 90 degrees centigrade is used.
- qcom,hw-die-temp-mitigation
Usage: optional
Value type: bool
Definition: Boolean property to enable h/w controlled die temp mitigation.
================================================
Second Level Nodes - SMB1355 Charger Peripherals
================================================
Peripheral specific properties:
- reg
Usage: required
Value type: <prop-encoded-array>
Definition: Address and size of the peripheral's register block.
- interrupts
Usage: required
Value type: <prop-encoded-array>
Definition: Peripheral interrupt specifier.
- interrupt-names
Usage: required
Value type: <stringlist>
Definition: Interrupt names. This list must match up 1-to-1 with the
interrupts specified in the 'interrupts' property.
=======
Example
=======
smb1355_charger: qcom,smb1355-charger {
compatible = "qcom,smb1355";
#address-cells = <1>;
#size-cells = <1>;
qcom,chgr@1000 {
reg = <0x1000 0x100>;
interrupts = <0x10 0x1 IRQ_TYPE_EDGE_BOTH>;
interrupt-names = "chg-state-change";
};
qcom,chgr-misc@1600 {
reg = <0x1600 0x100>;
interrupts = <0x16 0x1 IRQ_TYPE_EDGE_BOTH>;
interrupt-names = "wdog-bark";
};
};

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Qualcomm Technologies, Inc. SMB1398 Charger Specific Bindings
SMB1398 combo charge chip can be working in different modes:
(1) DIV2 charge pump mode to work as a companion charger that can be paired
with Qualcomm Technologies, Inc. family of standalone chargers;
(2) DIV2 and 3-level buck combo mode to regulate output power from wireless
charger receiver and provide input power for downstream chargers.
=======================
Required Node Structure
=======================
SMB1398 Charger must be described in two levels of device nodes.
==================================
First Level Node - SMB1398 Charger
==================================
Charger specific properties:
- compatible
Usage: required
Value type: <string>
Definition: "qcom,smb1396-div2-cp-master" for SMB1396 working in DIV2
mode as a companion master charger.
"qcom,smb1396-div2-cp-slave" for SMB1396 working in DIV2
mode as a companion slave charger.
"qcom,smb1398-pre-regulator" for SMB1398 working in combo
mode (auto transition between DIV2 CP and 3-level buck) as a
pre-regulator stand between wireless receiver and downstream
chargers.
"qcom,smb1394-div2-cp-primary" for SMB1394 working in DIV2 mode as
a primary companion charger.
"qcom,smb1394-div2-cp-secondary" for SMB1394 working in DIV2 mode as
a secondary companion charger.
- interrupts
Usage: optional
Value type: <prop-encoded-array>
Definition: Peripheral interrupt specifier. This is required when SMB1396
working as a DIV2 CP master.
- interrupt-names
Usage: optional
Value type: <stringlist>
Definition: Interrupt names. This list must match up 1-to-1 with the
interrupts specified in the 'interrupts' property. This is
required when SMB1396 working as a DIV2 CP master.
- io-channels
Usage: optional
Value type: <phandle-array>
Definition: IIO channel specifiers for each name in io-channel-names.
For other details about IIO bindings see:
Documentation/devicetree/bindings/iio/iio-bindings.txt
These properties are required when SMB1396 working as a DIV2 CP
master.
- io-channel-names
Usage: optional
Value type: <string-array>
Definition: Names of the IIO channels that are used by CP master.
- qcom,div2-cp-min-ilim-ua
Usage: optional
Value type: <u32>
Definition: The minimum ILIM settings to enable SMB1398 working in DIV2 mode.
The switcher is disabled when ILIM is below this value.
If this values is not specified, the default minimum ILIM is 1A.
This is only applicable when SMB1396 working as a DIV2 CP master.
- qcom,max-cutoff-soc
Usage: optional
Value type: <u32>
Definition: SOC beyond which SMB1398 is kept disabled.
If this value is not specified then default value is 85%.
This is only applicable when SMB1396 working as a DIV2 CP master.
- qcom,ilim-ua-disable-slave
Usage: optional
Value type: <u32>
Definition: The minimum ILIM setting to disable slave CP after hitting taper.
If this value is not specified, the default value is 3 times of
"qcom,div2-cp-min-ilim-ua". This is only applicable when both
SMB1396 DIV2 CP master and slave are present.
Peripheral specific properties:
=======
Example
=======
smb1398_charger: qcom,combo_charger {
compatible = "qcom,smb1396-div2-cp-master";
interrupt-parent = <&smb1398>;
status = "disabled";
io-channels = <&smb1396_div2_cp_slave PSY_IIO_CURRENT_CAPABILITY>,
<&pm7250b_charger PSY_IIO_USB_REAL_TYPE>,
<&pm7250b_vadc ADC5_AMUX_THM2>;
io-channel-names = "current_capability",
"real_type",
"die_temp";
interrupts = <0x26 0x1 IRQ_TYPE_EDGE_RISING>,
<0x26 0x3 IRQ_TYPE_EDGE_RISING>,
<0x26 0x5 IRQ_TYPE_EDGE_RISING>,
<0x26 0x7 IRQ_TYPE_EDGE_RISING>,
<0x27 0x5 IRQ_TYPE_EDGE_RISING>,
<0x27 0x6 IRQ_TYPE_EDGE_RISING>,
<0x27 0x7 IRQ_TYPE_EDGE_RISING>;
interrupt-names = "temp-shdwn",
"div2-irev",
"usbin-uv",
"usbin-ov",
"div2-ilim",
"div2-win-uv",
"div2-win-ov";
};