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-rw-r--r--Documentation/devicetree/bindings/iio/adc/max1027-adc.txt2
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iio/adc/max1027-adc.txt b/Documentation/devicetree/bindings/iio/adc/max1027-adc.txt
index e680c61dfb84..7b23d68f655c 100644
--- a/Documentation/devicetree/bindings/iio/adc/max1027-adc.txt
+++ b/Documentation/devicetree/bindings/iio/adc/max1027-adc.txt
@@ -3,6 +3,8 @@
Required properties:
- compatible: Should be "maxim,max1027" or "maxim,max1029" or "maxim,max1031"
- reg: SPI chip select number for the device
+
+Optional properties:
- interrupts: IRQ line for the ADC
see: Documentation/devicetree/bindings/interrupt-controller/interrupts.txt