| commit | 6b5029d3ec86ee9558a1ab0b4b41a98e970e2204 | [log] [tgz] |
|---|---|---|
| author | Linus Walleij <linus.walleij@linaro.org> | Tue Apr 05 16:49:57 2016 +0200 |
| committer | Linus Walleij <linus.walleij@linaro.org> | Sat Apr 09 20:14:26 2016 +0200 |
| tree | 00722e622de49da9fa748f0d02762f74d47b3fb5 | |
| parent | a0e637387a9858f9c2e8228bc15e299387dadcd1 [diff] |
gpio: document open drain/source behaviour This has been a totally undocumented feature for years so add some generic concepts and documentation about open drain/source, include some facts on how we now support for hardware. Cc: Michael Hennerich <michael.hennerich@analog.com> Cc: Nicolas Saenz Julienne <nicolassaenzj@gmail.com> Cc: H. Nikolaus Schaller <hns@goldelico.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>