[PATCH] drm/panel: Fix up DT bindings for Samsung lms397kf04

[Sam Ravnborg]

Hi Linus,

On Thu, Jul 01, 2021 at 11:36:18PM +0200, Linus Walleij wrote:
> Improve the bindings and make them more usable:
> 
> - Pick in spi-cpha and spi-cpol from the SPI node parent,
>   this will specify that we are "type 3" in the device tree
>   rather than hardcoding it in the operating system.
> - Drop the u32 ref from the SPI frequency: comes in from
>   the SPI host bindings.
> - Make spi-cpha, spi-cpol and port compulsory.
> - Update the example with a real-world SPI controller,
>   spi-gpio.
> 
> Cc: Douglas Anderson <dianders at chromium.org>
> Cc: Noralf Trønnes <noralf at tronnes.org>
> Cc: devicetree at vger.kernel.org
> Signed-off-by: Linus Walleij <linus.walleij at linaro.org>
Looks good,
Reviewed-by: Sam Ravnborg <sam at ravnborg.org>