[PATCH v2 0/3] drm/panel: Add MIPI DBI compatible SPI driver

[David Lechner]

On 1/25/22 11:56 AM, Noralf Trønnes wrote:
> Hi,
> 
> This patchset adds a driver that will work with most MIPI DBI compatible
> SPI panels out there.
> 
> It's a follow up on 'drm/tiny/st7735r: Match up with staging/fbtft
> driver'[1] which aimed at making the st7735r driver work with all panels
> adding DT properties.
> 
> Maxime gave[2] a good overview of the situation with these displays and
> proposed to make a driver that works with all MIPI DBI compatible
> controllers and use a firmware file to provide the controller setup for
> a particular panel.
> 
> Main change since previous version:
> - Drop model property and use the compatible property instead (Rob)
> 
> Noralf.
> 
> [1] https://lore.kernel.org/dri-devel/20211124150757.17929-1-noralf@tronnes.org/
> [2] https://lore.kernel.org/dri-devel/20211129093946.xhp22mvdut3m67sc@houat/
> 
> 
> Noralf Trønnes (3):
>    dt-bindings: display: add bindings for MIPI DBI compatible SPI panels
>    drm/mipi-dbi: Add driver_private member to struct mipi_dbi_dev
>    drm/panel: Add MIPI DBI compatible SPI driver
> 
>   .../display/panel/panel-mipi-dbi-spi.yaml     |  59 +++
>   MAINTAINERS                                   |   8 +
>   drivers/gpu/drm/panel/Kconfig                 |  11 +
>   drivers/gpu/drm/panel/Makefile                |   1 +
>   drivers/gpu/drm/panel/panel-mipi-dbi.c        | 394 ++++++++++++++++++
>   include/drm/drm_mipi_dbi.h                    |   2 +
>   6 files changed, 475 insertions(+)
>   create mode 100644 Documentation/devicetree/bindings/display/panel/panel-mipi-dbi-spi.yaml
>   create mode 100644 drivers/gpu/drm/panel/panel-mipi-dbi.c
> 

It would be useful to also include a patch for a tool to create
these "firmware" files. For example a Python script that takes
a more human-readable input and generates a .bin file.