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

From: Vincent Whitchurch
Date: Mon Oct 04 2021 - 11:36:48 EST


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@xxxxxxxx>
---
Documentation/devicetree/bindings/mux/gpio-mux.yaml | 5 +++++
1 file changed, 5 insertions(+)

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
--
2.28.0