Re: [PATCH 1/2] power: supply: bq24190: Support bq24193

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On Thu, Aug 24, 2023 at 02:40:10PM +0200, Krzysztof Kozlowski wrote:
[…]
> > diff --git a/Documentation/devicetree/bindings/power/supply/bq24190.yaml b/Documentation/devicetree/bindings/power/supply/bq24190.yaml
> > index d3ebc9de8c0b..92a28d3c3070 100644
> > --- a/Documentation/devicetree/bindings/power/supply/bq24190.yaml
> > +++ b/Documentation/devicetree/bindings/power/supply/bq24190.yaml
> > @@ -18,6 +18,7 @@ properties:
> >      enum:
> >        - ti,bq24190
> >        - ti,bq24192
> > +      - ti,bq24193
> >        - ti,bq24192i
> >        - ti,bq24196
> >  
> > diff --git a/drivers/power/supply/bq24190_charger.c b/drivers/power/supply/bq24190_charger.c
> > index ef8235848f56..a56122b39687 100644
> > --- a/drivers/power/supply/bq24190_charger.c
> > +++ b/drivers/power/supply/bq24190_charger.c
> > @@ -2018,6 +2018,7 @@ static const struct dev_pm_ops bq24190_pm_ops = {
> >  static const struct i2c_device_id bq24190_i2c_ids[] = {
> >  	{ "bq24190" },
> >  	{ "bq24192" },
> > +	{ "bq24193" },
> >  	{ "bq24192i" },
> >  	{ "bq24196" },
> >  	{ },
> > @@ -2027,6 +2028,7 @@ MODULE_DEVICE_TABLE(i2c, bq24190_i2c_ids);
> >  static const struct of_device_id bq24190_of_match[] = {
> >  	{ .compatible = "ti,bq24190", },
> >  	{ .compatible = "ti,bq24192", },
> > +	{ .compatible = "ti,bq24193", },
> >  	{ .compatible = "ti,bq24192i", },
> >  	{ .compatible = "ti,bq24196", },
> 
> We should really stop doing this. All of them are compatible, aren't they?

>From what I gather from the different datasheets, the main difference
between them is the maximum current they are able to provide, 1.5 A for
the bq24190 and bq24192i, 3 A for bq24192 and 4.5 A for bq24193. The
default current limit is also detected differently it seems.  But yeah,
those are otherwise similar enough to not require anything different in
the driver.

What would be a good way forward for that?  Adding a new ti,bq2419x
compatible and switching all devices to this one, as long as they don’t
require anything specific?

> 
> Best regards,
> Krzysztof
> 

Thanks,

-- 
Link Mauve



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