There are 2 repositories under sm7325 topic.
Android device tree for QRD8350 (AOSPA, LineageOS, CalyxOS)
Kernel Path: kernel/msm-5.4 (AOSPA) or kernel/qcom/lahaina (CalyxOS/LineageOS)
LineageOS, qti Lahaina for arm64
EDK2 for Samsung Galaxy Tab S7 FE Wifi model Based on SDM778G(SM7325)