Description

Add support for IMB3588 board. This board based RK3588 SoC, with 4G/8G/16G/32GB LPDDR4 & 16G~128G emmc, 2x 1Gbps Ethernet, 1x HDMI 2.1 output, 1x eDP, 1x mipi display, 1x LVDS, AP6275P wifi 6 & buletooth 5.1 module.

IMB3588 board info: https://www.sunshine-tek.com/productinfo/1989232.html

Documentation summary for feature / change

1. Only support vendor 6.1 kernel, build with mesa-vpu extensions will get mali GPU worked.

./compile.sh BOARD=imb3588 BRANCH=vendor BUILD_DESKTOP=yes BUILD_MINIMAL=no DESKTOP_APPGROUPS_SELECTED= DESKTOP_ENVIRONMENT=gnome DESKTOP_ENVIRONMENT_CONFIG_NAME=config_base ENABLE_EXTENSIONS=mesa-vpu EXPERT=yes KERNEL_CONFIGURE=no RELEASE=noble

2. IMB3588 debug uart, uart2 3.3V ttl ( must remove sp3485 chip to let uart2 RX work )

How Has This Been Tested?

I have built an image for my board, it boots and worked fine except bluetooth.

Checklist:

• [x] My code follows the style guidelines of this project
• [x] I have performed a self-review of my own code
• [x] I have commented my code, particularly in hard-to-understand areas
• [x] My changes generate no new warnings
• [x] Any dependent changes have been merged and published in downstream modules

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