Re: propper support of 5 wire SPI (SPI_READY signal)

[Oleksij Rempel <linux-YEK0n+YFykbzxQdaRaTXBw@public.gmane.org>]

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Am 22.02.2016 um 10:21 schrieb Geert Uytterhoeven:
> Hi Oleksij,
> 
> On Fri, Feb 19, 2016 at 10:08 AM, Oleksij Rempel <linux@rempel-privat.de> wrote:
>> i'm working on a project which depends on 5 Wire SPI communication. It
>> is probably identical to spi-davinci.c with SPI_READY signal. Only
>> difference is that SPI_READY is not supported by hardware, in this case
>> GPIO input is used.
> 
> Sounds interesting!
> 
>> Currently this project implements SPI_READY and CS on top of spidev
>> driver. What makes it really ugly, slow and complicated.
> 
> Can you please point me to some SPI slave hardware that supports this?

It is automotive filed. Used for inter chip communication.
There are many products with it. Currently i can't say more :(

> 
> Thanks a lot!
> 
> Gr{oetje,eeting}s,
> 
>                         Geert
> 
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
> 
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like that.
>                                 -- Linus Torvalds
> 


-- 
Regards,
Oleksij


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