Commit d8880a12 authored by Alexandre Belloni's avatar Alexandre Belloni Committed by Shawn Guo

pinctrl: pinctrl-mxs: document the missing pull-ups

Some pins on the i.mx23 and i.mx28 are missing pull-ups, document that
oddity because it was difficult to know the expected behaviour.
Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: default avatarShawn Guo <shawn.guo@linaro.org>
parent 7d403408
...@@ -70,6 +70,10 @@ Optional subnode-properties: ...@@ -70,6 +70,10 @@ Optional subnode-properties:
0: Disable the internal pull-up 0: Disable the internal pull-up
1: Enable the internal pull-up 1: Enable the internal pull-up
Note that when enabling the pull-up, the internal pad keeper gets disabled.
Also, some pins doesn't have a pull up, in that case, setting the fsl,pull-up
will only disable the internal pad keeper.
Examples: Examples:
pinctrl@80018000 { pinctrl@80018000 {
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment