Re: [PATCH 3/8] spi: dw: Add support for Pensando Elba SoC SPI

From: Linus Walleij
Date: Thu Mar 04 2021 - 03:50:20 EST


On Thu, Mar 4, 2021 at 4:42 AM Brad Larson <brad@xxxxxxxxxxx> wrote:

> The Pensando Elba SoC uses a GPIO based chip select
> for two DW SPI busses with each bus having two
> chip selects.
>
> Signed-off-by: Brad Larson <brad@xxxxxxxxxxx>

I agree with Serge's comments here: the existing cs callback should
work for your SoC, you should only need the new compatible string.

I see why you need the special GPIO driver for this now, as that
is obviously driven by totally different hardware.

Yours,
Linus Walleij