Re: [PATCH v3 5/6] dt-bindings: i2c: Add Mediatek MT8183 i2c binding

Wolfram Sang
2019-02-19T13:27:04Z

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> > > Maybe you think that MT8183 SoC only has the I3C controllers. Actually,
> > > there are I2C and I3C controllers on MT8183 SoC. We will remove
> > > "mediatek,share-i3c" for I2C controller driver, so these patches are
> > > just to support the I2C controllers on MT8183 SoC. For the I3C
> > > controller we will send some new patches which are based on i3c
> > > framework directories(kernel/drivers/i3c), not based on
> > > i2c-mt65xx.c.
> >
> > Sounds perfect to me. If it turns out that the I3C driver can share
> > things with the I2C driver, we can discuss it then. But unless we have
> > an I3C driver and know for sure, the above strategy seems good to me.
> >
>
> Can I push the V4 patches of I2C controller driver now? or you just want
> an I3C driver that is compatible with the I2C controller?

If the V4 series does not use the "mediatek,share-i3c" binding anymore,
please resend it. From what I recall, it should be OK then.

> According to our plan, I2C controller will use
> i2c-mt65xx.c(kernel/drivers/i2c/busses/)and I3C controller will use
> i3c-xxx.c(kernel/drivers/i3c/master/)

Sounds OK from what I understood. The I2C fallback from I3C will be
interesting.

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