Quoting Douglas Anderson (2020-09-18 17:45:28)
> As talked about in the patch ("arm64: dts: qcom: sc7180: Provide
> pinconf for SPI to use GPIO for CS"), on some boards it makes much
> more sense (and is much more efficient) to think of the SPI Chip
> Select as a GPIO. Trogdor is one such board where the SPI parts don't
> run in GSI mode and we do a lot of SPI traffic.
>
> Signed-off-by: Douglas Anderson <[email protected]>
> ---Reviewed-by: Stephen Boyd <[email protected]>
