tree 2c0db6df8683f86cba8e180da47a0b38134ece77
parent 1fb2ad9565be7149cf50d663f47f489a9fcda42d
author Wolfram Sang <wsa+renesas@sang-engineering.com> 1431607204 +0200
committer Wolfram Sang <wsa@the-dreams.de> 1433113639 +0900

i2c: slave: docs: be more precise about the prerequsites

There was some confusion what was needed to utilize the slave support,
so let's be more precise about this. Add an introductory paragraph to
the development section while we are here.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>