video: backlight: add ili922x lcd driver
Add LCD driver for Ilitek ILI9221/ILI9222 controller. The driver uses
SPI interface for controller access and configuration and RGB interface
for graphics data transfer.
Signed-off-by: Stefano Babic <[email protected]>
Signed-off-by: Anatolij Gustschin <[email protected]>
Cc: Richard Purdie <[email protected]>
Cc: Florian Tobias Schandinat <[email protected]>
Cc: Jingoo Han <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>