Messages in this thread | | | Date | Thu, 25 Nov 2021 08:29:15 +0100 | From | Andreas Kemnade <> | Subject | Re: [PATCH v15 3/8] mfd: simple-mfd-i2c: Enable support for the silergy,sy7636a |
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Hi,
On Wed, 24 Nov 2021 14:56:46 -0800 Guenter Roeck <linux@roeck-us.net> wrote:
[...] > >>>> Ordering Information > >>>> SY7636 □(□□)□ > >>>> | Temperature Code (C) > >>>> | Package Code (RM) > >>>> | Optional Spec Code (A) > >>>> > >>>> The datasheet otherwise refers to the chip as SY7636A. > >>>> > >>> so there is no indication of something like this where the A really > >>> makes a difference: > >>> > >> > >> I may be missing it, but I see nothing in the datasheet that would indicate > >> that or if the "A" has any relevance other than "Optional Spec Code", > >> and I do not see an explanation for that term either. > > > > well things seems to match with things I got from analysing the kobo > > sources. So at least the thing in the Kobo Libra H2O seems to be that > > one described in the datasheet, so we can have one sy7636a driver for > > it. > > > > BTW: If I search for a sy7636 on aliexpress I get some SO-8 lithium > > charger ICs. > > > > The datasheet says "PMIC for Electronic Paper Display". > Correct. And we have the silergy vendor prefix in the dt compatible, so if some other company decides to call its chip sy7636, we can distinguish.
Regards, Andreas
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