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diff --git a/dts/Bindings/extcon/extcon-arizona.txt b/dts/Bindings/extcon/extcon-arizona.txt
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+Cirrus Logic Arizona class audio SoCs
+These devices are audio SoCs with extensive digital capabilities and a range
+of analogue I/O.
+This document lists Extcon specific bindings, see the primary binding document:
+ ../mfd/arizona.txt
+Optional properties:
+ - wlf,hpdet-channel : Headphone detection channel.
+ ARIZONA_ACCDET_MODE_HPL or 1 - Headphone detect mode is set to HPDETL
+ ARIZONA_ACCDET_MODE_HPR or 2 - Headphone detect mode is set to HPDETR
+ If this node is not mentioned or if the value is unknown, then
+ headphone detection mode is set to HPDETL.