[PATCH 1/2] dt-bindings: iio: ad74413r: add binding for digital input threshold

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Allow specifying the threshold for which the channels configured as
digital input change state.

Signed-off-by: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx>
---

Running dt_binding_check on this with a too small or large value in
the example does give me an error, but the multipleOf does not seem to
be enforced; the value 1234567 is not flagged. I don't know if that's
expected (maybe I have too old versions of something).


 .../devicetree/bindings/iio/addac/adi,ad74413r.yaml    | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Documentation/devicetree/bindings/iio/addac/adi,ad74413r.yaml b/Documentation/devicetree/bindings/iio/addac/adi,ad74413r.yaml
index 590ea7936ad7..1f90ce3c7932 100644
--- a/Documentation/devicetree/bindings/iio/addac/adi,ad74413r.yaml
+++ b/Documentation/devicetree/bindings/iio/addac/adi,ad74413r.yaml
@@ -51,6 +51,14 @@ properties:
       Shunt (sense) resistor value in micro-Ohms.
     default: 100000000
 
+  digital-input-threshold-microvolt:
+    description:
+      Comparator threshold used by the channels configured to use the
+      digital input function.
+    minimum: 500000
+    maximum: 16000000
+    multipleOf: 500000
+
   reset-gpios:
     maxItems: 1
 
@@ -143,6 +151,8 @@ examples:
         refin-supply = <&ad74413r_refin>;
         reset-gpios = <&gpio2 6 GPIO_ACTIVE_LOW>;
 
+        digital-input-threshold-microvolt = <4000000>;
+
         channel@0 {
           reg = <0>;
 
-- 
2.37.2




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