Look at clk driver code for sunxi in mainline kernel. That uses it a lot. https://elixir.bootlin.com/linux/latest/source/drivers/clk/sunxi-ng/ccu_nkmp.h https:

Look at clk driver code for sunxi in mainline kernel. That uses it a lot. https://elixir.bootlin.com/linux/latest/source/drivers/clk/sunxi-ng/ccu_nkmp.h https://elixir.bootlin.com/linux/latest/source/drivers/clk/s...