[PATCH v3 1/2] dt-bindings: i2c-mux: Add property for settle time

[Horatiu Vultur]

Some HW requires some time for the signals to settle after the muxing is
changed. Allow this time to be specified in device tree.

Signed-off-by: Horatiu Vultur <horatiu.vultur@xxxxxxxxxxxxx>
---
 Documentation/devicetree/bindings/i2c/i2c-mux.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/i2c/i2c-mux.yaml b/Documentation/devicetree/bindings/i2c/i2c-mux.yaml
index 24cac36037f5..4628ff6340c1 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-mux.yaml
+++ b/Documentation/devicetree/bindings/i2c/i2c-mux.yaml
@@ -29,6 +29,12 @@ properties:
   '#size-cells':
     const: 0
 
+  settle-time-us:
+    default: 0
+    description:
+      The time required for the signals to settle. Currently only the
+      i2c-mux-gpmux driver supports this optional binding.
+
 patternProperties:
   '^i2c@[0-9a-f]+$':
     $ref: /schemas/i2c/i2c-controller.yaml
-- 
2.33.0