Hi Josef. On Tue, Feb 19, 2019 at 02:20:59PM +0100, Josef Lusticky wrote: > These patches add panel driver for ili9341-based panels in parallel RGB mode. > The driver was developed for DispleyTech DT024CTFT LCD panel [1] which features ILI9341 chip [2]. > The driver was tested on the Allwinner A13 (sun5i) platform. > > The driver supports 240x320 pixel resolution with 18-bit RGB (6 wires per color) > and SPI control bus with Data/Command GPIO pin. > > The Data/Command GPIO is optional, however at the moment the driver requires it: > The display itself is capable of 9-bit SPI without the Data/Command GPIO. > Support for such configuration can be added later to the driver. > > Optional HW reset gpio can be specified, otherwise SW reset command is used > during the initialization. > > The ILI9341 displays have two command sets: > Level 1 conforms to MIPI specs > Level 2 is outside the MIPI specs - custom defines are used in the driver > > The ILI9341 supports various RGB modes (e.g. NVSYNC, DE_LOW, clock freq, etc.), > however values that are presented in the ILI9341 datasheet [2] are used > by the driver in struct drm_display_mode. > > > General note on ILI9341-based displays: > The ILI9341 chip can be used in parallel RGB with SPI control > or in SPI only mode where the image data itself is also transferred via SPI. > This driver supports parallel RGB displays - it works with displays wired with 18-bit RGB input, > it does not support SPI data mode (i.e. Multi-inno mi0283qt or Adafruit yx240qv29 are not supported by this driver). > The SPI data mode is naturally much slower than the parallel RGB mode. > > General note on DisplayTech DT024CTFT panel: > The panel supports different configuation options (18/16/6-bit RGB or 9/8-bit SPI) depending on the IM[0:3] wiring. > To keep this patch small for reveiw, at the moment only 18-bit RGB mode and 8-bit SPI with Data/Command GPIO > is supported by this driver. > > > I kindly ask you for a patch review. Did you get around to send a v2 of this patchset? Sam _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
