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[1/2] dt-bindings: mux: gpio-mux: Add property for settle time

Message ID 20211004153640.20650-2-vincent.whitchurch@axis.com
State Changes Requested, archived
Headers show
Series Add settle time support to mux-gpio | expand

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Commit Message

Vincent Whitchurch Oct. 4, 2021, 3:36 p.m. UTC 
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@axis.com>
---
 Documentation/devicetree/bindings/mux/gpio-mux.yaml | 5 +++++
 1 file changed, 5 insertions(+)
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/mux/gpio-mux.yaml b/Documentation/devicetree/bindings/mux/gpio-mux.yaml
index 0a7c8d64981a..7cffa0711f02 100644
--- a/Documentation/devicetree/bindings/mux/gpio-mux.yaml
+++ b/Documentation/devicetree/bindings/mux/gpio-mux.yaml
@@ -31,6 +31,11 @@  properties:
   idle-state:
     default: -1
 
+  settle-time-us:
+    default: 0
+    description:
+      Time required for analog signals to settle after muxing.
+
 required:
   - compatible
   - mux-gpios