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Message-ID: <622faf2a-58ec-5ff4-1952-19c15d122642@linaro.org>
Date: Thu, 24 Aug 2023 15:28:00 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Emmanuel Gil Peyrot <linkmauve@...kmauve.fr>
Cc: Alexandre Courbot <acourbot@...dia.com>,
azkali <a.ffcc7@...il.com>, CTCaer <ctcaer@...il.com>,
Sebastian Reichel <sre@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>, linux-pm@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] power: supply: bq24190: Support bq24193
On 24/08/2023 15:00, Emmanuel Gil Peyrot wrote:
>>> @@ -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?
Not a wildcard but any of existing ones, e.g. "ti,bq24196", "ti,bq24190".
Best regards,
Krzysztof
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