Messages in this thread | | | From | Maxim Uvarov <> | Date | Wed, 6 Sep 2017 12:14:32 +0300 | Subject | Re: [PATCH] DSA support for Micrel KSZ8895 |
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2017-08-31 0:32 GMT+03:00 <Tristram.Ha@microchip.com>: >> On Mon 2017-08-28 16:09:27, Andrew Lunn wrote: >> > > I may be confused here, but AFAICT: >> > > >> > > 1) Yes, it has standard layout when accessed over MDIO. >> > >> > >> > Section 4.8 of the datasheet says: >> > >> > All the registers defined in this section can be also accessed >> > via the SPI interface. >> > >> > Meaning all PHY registers can be access via the SPI interface. So you >> > should be able to make a standard Linux MDIO bus driver which performs >> > SPI reads. >> >> As far as I can tell (and their driver confirms) -- yes, all those registers can be >> accessed over the SPI, they are just shuffled around... hence MDIO >> emulation code. I copied it from their code (see the copyrights) so no, I don't >> believe there's nicer solution. >> >> Best regards, >> >> Pavel > > Can you hold on your developing work on KSZ8895 driver? I am afraid your effort may be in vain. We at Microchip are planning to release DSA drivers for all KSZ switches, starting at KSZ8795, then KSZ8895, and KSZ8863. > > The driver files all follow the structures of the current KSZ9477 DSA driver, and the file tag_ksz.c will be updated to handle the tail tag of different chips, which requires including the ksz_priv.h header. That is required nevertheless to support using the offload_fwd_mark indication. > > The KSZ8795 driver will be submitted after Labor Day (9/4) if testing reveals no problem. The KSZ8895 driver will be submitted right after that. You should have no problem using the driver right away. >
Hello Tristram, is there any update for that driver?
Maxim.
> Tristram Ha > Principal Software Engineer > Microchip Technology Inc. >
-- Best regards, Maxim Uvarov
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