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-rw-r--r--Documentation/devicetree/bindings/staging/iio/adc/mxs-lradc.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/staging/iio/adc/mxs-lradc.txt b/Documentation/devicetree/bindings/staging/iio/adc/mxs-lradc.txt
index 801d58cb6d4..46882058b59 100644
--- a/Documentation/devicetree/bindings/staging/iio/adc/mxs-lradc.txt
+++ b/Documentation/devicetree/bindings/staging/iio/adc/mxs-lradc.txt
@@ -5,6 +5,12 @@ Required properties:
- reg: Address and length of the register set for the device
- interrupts: Should contain the LRADC interrupts
+Optional properties:
+- fsl,lradc-touchscreen-wires: Number of wires used to connect the touchscreen
+ to LRADC. Valid value is either 4 or 5. If this
+ property is not present, then the touchscreen is
+ disabled.
+
Examples:
lradc@80050000 {