drm: Add driver for Sitronix ST7920 LCD displays
Add a new DRM/KMS driver for displays using the Sitronix ST7920
controller connected via the SPI bus. This provides a standard
framebuffer interface for these common monochrome LCDs.
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Signed-off-by: Iker Pedrosa <ikerpedrosam@gmail.com>
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patch.msgid.link/20251215-st7920-v7-2-36771009ec01@gmail.com