Exynos 3830 Driver Work Here
The first task was writing the clk-exynos3830.c driver. This is always tedious. You sit with a datasheet (if you have it) or a hexdump of the vendor kernel (if you don't).
The 3830 has:
The Breakthrough: I realized the 3830 uses a multiplexer shift that isn't documented in the generic Samsung code. The mux_sel registers are offset by 0x20 compared to the Exynos 5250. Once I patched that, the serial console stayed alive. exynos 3830 driver work
The Exynos 1380 is a popular mid-range chipset found in the Samsung Galaxy A54 5G and Galaxy M54 5G. [ ] Interconnect (ICC)
Driver Work & Development Status: