[PATCH 2/2] dt-bindings: hwmon: ina2xx: Describe #io-channel-cells property

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There are two drivers in the Linux kernel. One is hwmon based and second
IIO. IIO version requires to define #io-channel-cells to operate.

Signed-off-by: Michal Simek <michal.simek@xxxxxxx>
---

zynqmp zcu102 uses this feature too.

---
 Documentation/devicetree/bindings/hwmon/ti,ina2xx.yaml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/hwmon/ti,ina2xx.yaml b/Documentation/devicetree/bindings/hwmon/ti,ina2xx.yaml
index 8e5c1935b5f4..f324b627bf9c 100644
--- a/Documentation/devicetree/bindings/hwmon/ti,ina2xx.yaml
+++ b/Documentation/devicetree/bindings/hwmon/ti,ina2xx.yaml
@@ -32,6 +32,9 @@ properties:
   reg:
     maxItems: 1
 
+  "#io-channel-cells":
+    const: 1
+
   label:
     description: A descriptive name for this device.
 
@@ -80,6 +83,7 @@ examples:
         power-sensor@44 {
             compatible = "ti,ina220";
             reg = <0x44>;
+            #io-channel-cells = <1>;
             label = "vdd_3v0";
             shunt-resistor = <1000>;
             vs-supply = <&vdd_3v0>;
-- 
2.36.1





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