linux-kernel - [PATCH v4 1/3] dt-bindings: iio: adf4371: add refin mode

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Message-ID: <20250109133707.3845-2-antoniu.miclaus@analog.com>
Date: Thu, 9 Jan 2025 15:37:05 +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 v4 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 v4:
 - add enum in clock-names to support both se and diff input.
 .../devicetree/bindings/iio/frequency/adf4371.yaml         | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/iio/frequency/adf4371.yaml b/Documentation/devicetree/bindings/iio/frequency/adf4371.yaml
index 1cb2adaf66f9..9ad5b22c59d7 100644
--- a/Documentation/devicetree/bindings/iio/frequency/adf4371.yaml
+++ b/Documentation/devicetree/bindings/iio/frequency/adf4371.yaml
@@ -30,8 +30,11 @@ properties:
 
   clock-names:
     description:
-      Must be "clkin"
-    maxItems: 1
+      Must be "clkin" if the input reference is single ended or "clkin-diff"
+      if the input reference is differential. By default single ended input is
+      applied.
+    enum: [clkin, clkin-diff]
+    default: clkin
 
   adi,mute-till-lock-en:
     type: boolean
-- 
2.47.1