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

[Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>]

Hi Oleksij,

On Fri, Feb 19, 2016 at 10:08 AM, Oleksij Rempel <linux@xxxxxxxxxxxxxxxx> 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?

Thanks a lot!

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

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