#PinePhone’s mysterious LCD Display and its MIPI Digital Serial Interface ... All secrets shall be revealed in this article
#PinePhone's LCD Display works like a super-sized PineTime Display ... We'll find out why
https://lupyuen.github.io/articles/dsi?2#from-pinetime-to-pinephone
#PinePhone Schematic says that the Allwinner A64 SoC is connected to the LCD Display via a MIPI Digital Serial Interface (DSI)
https://lupyuen.github.io/articles/dsi?3#pinephone-schematic
#PinePhone's MIPI Display Serial Interface has 4 Data Lanes ... And uses Differential Signalling (similar to HDMI and USB)
https://lupyuen.github.io/articles/dsi?4#connector-for-mipi-dsi
#PinePhone is connected to the Xingbangda XBD599 LCD Panel ... Says the Linux Device Tree
https://lupyuen.github.io/articles/dsi?5#xingbangda-xbd599-lcd-panel
Inside #PinePhone's Display is Sitronix ST7703 LCD Controller ... Yep the super-sized sibling of PineTime's LCD Controller!
https://lupyuen.github.io/articles/dsi?6#sitronix-st7703-lcd-controller
#PinePhone must send these (mysterious) commands to ST7703 LCD Controller at startup
https://lupyuen.github.io/articles/dsi?7#initialise-lcd-controller
#PinePhone controls its LCD Display by sending DCS Commands to ST7703
https://lupyuen.github.io/articles/dsi?8#display-command-set-for-mipi-dsi
#PinePhone's ST7703 LCD Controller only works in MIPI DSI Video Mode (not Command Mode)
https://lupyuen.github.io/articles/dsi?9#video-mode-only-for-mipi-dsi
#PinePhone's MIPI DSI Interface uses Data Types to differentiate Display Commands and Pixel Data
https://lupyuen.github.io/articles/dsi?9#video-mode-only-for-mipi-dsi
#PinePhone's MIPI DSI Registers are actually documented in Allwinner A31 ... Which is a 32-bit SoC!
https://lupyuen.github.io/articles/dsi?10#a64-registers-for-mipi-dsi
@lupyuen thank you, Prof!
