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| author | Alexandre Belloni <alexandre.belloni@free-electrons.com> | 2013-03-30 00:51:12 +0100 |
|---|---|---|
| committer | Shawn Guo <shawn.guo@linaro.org> | 2013-04-04 21:22:42 +0800 |
| commit | d8880a126d96ba0f9e0191826431650c24711d47 (patch) | |
| tree | 5521acafed14e03d8cab3d0f46b92c42e77d43c0 /Documentation/devicetree | |
| parent | 7d403408648425450841423733dcd86e606a85c3 (diff) | |
| download | linux-d8880a126d96ba0f9e0191826431650c24711d47.tar.gz | |
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: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Diffstat (limited to 'Documentation/devicetree')
| -rw-r--r-- | Documentation/devicetree/bindings/pinctrl/fsl,mxs-pinctrl.txt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pinctrl/fsl,mxs-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/fsl,mxs-pinctrl.txt index f7e8e8f4d9a3..3077370c89af 100644 --- a/Documentation/devicetree/bindings/pinctrl/fsl,mxs-pinctrl.txt +++ b/Documentation/devicetree/bindings/pinctrl/fsl,mxs-pinctrl.txt @@ -70,6 +70,10 @@ Optional subnode-properties: 0: Disable 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: pinctrl@80018000 { |