linux-kernel - [PATCH v3 1/3] dt-bindings: iio: adf4371: add refin mode

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Message-ID: <20241220095620.4918-2-antoniu.miclaus@analog.com>
Date: Fri, 20 Dec 2024 11:56:13 +0200
From: Antoniu Miclaus <antoniu.miclaus@...log.com>
To: <jic23@...nel.org>, <robh@...nel.org>, <conor+dt@...nel.org>,
        <linux-iio@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-pwm@...r.kernel.org>
CC: Antoniu Miclaus <antoniu.miclaus@...log.com>
Subject: [PATCH v3 1/3] dt-bindings: iio: adf4371: add refin mode

Add support for selecting between single-ended and differential
reference input.

By default the single-ended input is enabled.

Input frequency boundaries are change based on the mode selected
(single-ended/differential).

Signed-off-by: Antoniu Miclaus <antoniu.miclaus@...log.com>
---
changes in v3:
 - add option to select between refin-se and refin-diff
 .../devicetree/bindings/iio/frequency/adf4371.yaml         | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/devicetree/bindings/iio/frequency/adf4371.yaml b/Documentation/devicetree/bindings/iio/frequency/adf4371.yaml
index 1cb2adaf66f9..f927d3af9f43 100644
--- a/Documentation/devicetree/bindings/iio/frequency/adf4371.yaml
+++ b/Documentation/devicetree/bindings/iio/frequency/adf4371.yaml
@@ -40,6 +40,13 @@ properties:
       output stage will shut down until the ADF4371/ADF4372 achieves lock as
       measured by the digital lock detect circuitry.
 
+  adi,refin-mode:
+    description:
+      Choose between single-ended or differential reference input.
+      refin-se - Single-Ended Reference Input
+      refin-diff - Differential Reference Input
+    enum: [refin-se, refin-diff]
+
 required:
   - compatible
   - reg
-- 
2.47.1