Re: [PATCH] ARM: dts: vf610-zii-cfu1: Slow I2C0 down to 100kHz

From: Andrey Smirnov
Date: Tue Aug 20 2019 - 21:35:55 EST


On Tue, Aug 20, 2019 at 8:29 AM Andrew Lunn <andrew@xxxxxxx> wrote:
>
> On Mon, Aug 19, 2019 at 08:08:04PM -0700, Andrey Smirnov wrote:
> > Fiber-optic module attached to the bus is only rated to work at
> > 100kHz, so drop the bus frequncy to accomodate that.
>
> Hi Andrey
>
> Did you review all the other ZII platforms? I could imaging the same
> problem happening else where.
>

Yes, AFAICT, fiber-optic modules are present only on SCU4
(vf610-zii-scu4-aib.dts), CFU1 (vf610-zii-cfu1.dts) and VF610 Dev
board rev. B/C (vf610-zii-dev*.dts[i]). Of all three only CFU1 has
corresponding I2C bus running @ 400 kHz.

Thanks,
Andrey Smirnov