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

Linus Walleij linus.walleij at linaro.org
Thu Mar 4 08:48:18 GMT 2021


On Thu, Mar 4, 2021 at 4:42 AM Brad Larson <brad at pensando.io> 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 at pensando.io>

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



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