regmap: Add overview documentation
authorMario Six <[email protected]>
Mon, 15 Oct 2018 07:24:15 +0000 (09:24 +0200)
committerSimon Glass <[email protected]>
Wed, 14 Nov 2018 17:16:27 +0000 (09:16 -0800)
commita6d4b0608b79023c703ca2ad1cbdfa784160449b
tree099051d33acc0fc8692302fcbd75c5da1848fa98
parent9b77fe3b80b038af7114f7dae4934773bb026f8e
regmap: Add overview documentation

Add some overview documentation that explains the purpose and some of
the features and limitations of the regmap interface.

Reviewed-by: Bin Meng <[email protected]>
Signed-off-by: Mario Six <[email protected]>
include/regmap.h