linux-kernel - Re: [PATCH 2/3] dt: power: Add the bq2515x family dt bindings

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Date:   Mon, 21 Oct 2019 14:36:25 -0500
From:   Dan Murphy <dmurphy@...com>
To:     Sebastian Reichel <sre@...nel.org>
CC:     <linux-pm@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/3] dt: power: Add the bq2515x family dt bindings

Sebastian

On 10/20/19 7:30 AM, Sebastian Reichel wrote:
> Hi Dan,
>
> On Mon, Sep 30, 2019 at 09:31:36AM -0500, Dan Murphy wrote:
>> Add the bindings for the bq25150 and bq25155 500mA
>>   charging IC from Texas Instruments.
>>
>> Datasheet:
>> http://www.ti.com/lit/ds/symlink/bq25150.pdf
>> http://www.ti.com/lit/ds/symlink/bq25155.pdf
>>
>> Signed-off-by: Dan Murphy <dmurphy@...com>
>> ---
>>   .../bindings/power/supply/bq2515x.txt         | 48 +++++++++++++++++++
> This should use the new YAML binding style.


Ack


>
>>   1 file changed, 48 insertions(+)
>>   create mode 100644 Documentation/devicetree/bindings/power/supply/bq2515x.txt
>>
>> diff --git a/Documentation/devicetree/bindings/power/supply/bq2515x.txt b/Documentation/devicetree/bindings/power/supply/bq2515x.txt
>> new file mode 100644
>> index 000000000000..98203ab53d44
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/power/supply/bq2515x.txt
>> @@ -0,0 +1,48 @@
>> +Binding for TI bq25150 500-mA Linear charger
>> +
>> +The BQ25150 is a highly integrated battery charge management IC that integrates
>> +the most common functions for wearable devices, namely a charger, an
>> +output voltage rail, ADC for battery and system monitoring, and
>> +push-button controller.
>> +
>> +Required Properties:
>> +	- compatible: Should contain one of the following:
>> +		"ti,bq25150"
>> +		"ti,bq25155"
>> +	- reg: int I2c address 0x6b
>> +	- #address-cells: 1;
>> +	- #size-cells: = 0;
>> +
>> +Optional Properties:
>> +	- ti,battery-regulation-voltage: integer, maximum charging voltage in mV.
>> +		Values range from 3600->4600mV
>> +	- ti,charge-current: integer, maximum charging current in mA.
>> +		Values range from 50->600mA
> Those values should be in uV and uA. Also the values basically
> describe the dumb battery, so please use this binding:
>
> Documentation/devicetree/bindings/power/supply/battery.txt

Ack


>
>> +	- reset-gpios: GPIO used for Master reset
>> +	- low-power-gpios: GPIO used for low power mode of IC.
>> +	- charge-enable-gpios: GPIO used to turn on and off charging.
>> +	- pg-gpios: GPIO used for connecting the bq2515x device PG (Power Good)
>> +		pin.  This pin should be used if possible as this is the
>> +		recommended way to obtain the charger's input PG state.
>> +		If this pin is not specified a software-based approach for PG
>> +		detection is used.
>> +
>> +Example
>> +bq25150@6b {
> charger@6b

Ack

Dan