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

From: Rasmus Villemoes
Date: Fri Jun 23 2023 - 07:33:41 EST


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