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Message-ID: <20211007134641.13417-3-vincent.whitchurch@axis.com>
Date:   Thu, 7 Oct 2021 15:46:40 +0200
From:   Vincent Whitchurch <vincent.whitchurch@...s.com>
To:     <peda@...ntia.se>, <jic23@...nel.org>, <devicetree@...r.kernel.org>
CC:     <kernel@...s.com>, <lars@...afoo.de>, <linux-iio@...r.kernel.org>,
        <robh+dt@...nel.org>, <linux-kernel@...r.kernel.org>,
        Vincent Whitchurch <vincent.whitchurch@...s.com>
Subject: [PATCH v2 2/3] dt-bindings: iio: io-channel-mux: Add property for settle time

Hardware may require some time for the muxed analog signals to settle
after the muxing is changed.  Allow this time to be specified in the
devicetree.

Signed-off-by: Vincent Whitchurch <vincent.whitchurch@...s.com>
---
 .../devicetree/bindings/iio/multiplexer/io-channel-mux.yaml  | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/iio/multiplexer/io-channel-mux.yaml b/Documentation/devicetree/bindings/iio/multiplexer/io-channel-mux.yaml
index 870b043406d8..5a7328042c76 100644
--- a/Documentation/devicetree/bindings/iio/multiplexer/io-channel-mux.yaml
+++ b/Documentation/devicetree/bindings/iio/multiplexer/io-channel-mux.yaml
@@ -39,6 +39,11 @@ properties:
     description:
       List of strings, labeling the mux controller states.
 
+  settle-time-us:
+    default: 0
+    description:
+      Time required for analog signals to settle after muxing.
+
 required:
   - compatible
   - io-channels
-- 
2.28.0

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