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-rw-r--r--Documentation/devicetree/bindings/pinctrl/fsl,mxs-pinctrl.txt4
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 {