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Date: Tue, 20 Aug 2019 18:35:40 -0700 From: Andrey Smirnov <andrew.smirnov@...il.com> To: Andrew Lunn <andrew@...n.ch> Cc: linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>, Fabio Estevam <festevam@...il.com>, Shawn Guo <shawnguo@...nel.org>, linux-kernel <linux-kernel@...r.kernel.org>, Chris Healy <cphealy@...il.com> Subject: Re: [PATCH] ARM: dts: vf610-zii-cfu1: Slow I2C0 down to 100kHz On Tue, Aug 20, 2019 at 8:29 AM Andrew Lunn <andrew@...n.ch> 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
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