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

["Noralf Trønnes" <noralf@tronnes.org>]

Den 27.01.2022 18.13, skrev 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.

I will put a script on the github repo that holds the wiki for the
driver. I haven't made the script yet, just using a hack for now until
the format is decided upon.

Noralf.