Patterns in Register Map Design

owl writes:

https://www.devever.net/~hl/regmap

If you've ever had to write a program which interfaces directly with hardware - perhaps while writing a program for an MCU or embedded system or a kernel driver - you may have noticed a few common patterns in register map behaviour and design. I'm not sure anyone has ever really collected them together, so I decided to make a list of all the ones I can think of.

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