RPI-LCD-LT031MDZ4000

Raspberry Pi panel driver for JDI LT031MDZ4000 720x720 display

LCD Adapter board

Get kernel source

Refer to rpi-source

Build & Install

git clone https://github.com/jamwu/RPI-LCD-LT031MDZ4000.git
cd RPI-LCD-LT031MDZ4000
make
make install

Then edit /boot/config.txt to add:

lcd_ignore=1
dtoverlay=vc4-kms-dsi-lt031mdz4000

and reboot

LCD pins defaults to:

• Reset - GPIO26
• BL_Enable - GPIO19
• PWM - GND

Default pins can be changed, for example:

#change Reset to GPIO5,BL_Enable to GPIO6
dtoverlay=vc4-kms-dsi-lt031mdz4000,bl_en=5,reset=6

Hardware

Datasheet - LT031MDZ4000-Datasheet

Proof-of-concept schematics - SCH_LT031MDZ4000_Adapter_QiHua_X64

The design above is for an A64 development board. You can refer to it to design a specific adapter for your raspberry pi.

Wiring

Important notes:

• This schematics comes with no warranties, use at your own risk