linux-kernel - [PATCH v2 3/6] dt-bindings: iio: adc: adi,ad4080: add support for AD4084

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Message-ID: <20250930103229.28696-3-antoniu.miclaus@analog.com>
Date: Tue, 30 Sep 2025 10:32:26 +0000
From: Antoniu Miclaus <antoniu.miclaus@...log.com>
To: <jic23@...nel.org>, <robh@...nel.org>, <conor+dt@...nel.org>,
        <linux-iio@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>
CC: Antoniu Miclaus <antoniu.miclaus@...log.com>
Subject: [PATCH v2 3/6] dt-bindings: iio: adc: adi,ad4080: add support for AD4084

Add device tree binding support for the AD4084 16-bit SAR ADC.
Add adi,ad4084 to the compatible enum.

A fallback compatible string to adi,ad4080 is not appropriate as the
AD4084 has different resolution (16-bit vs 20-bit) and LVDS CNV clock
count maximum (2 vs 7), requiring different driver configuration.

Signed-off-by: Antoniu Miclaus <antoniu.miclaus@...log.com>
---
 - improve commit description with respect to fallback compatibility.
 Documentation/devicetree/bindings/iio/adc/adi,ad4080.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad4080.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad4080.yaml
index ed849ba1b77b..c4c5d208f502 100644
--- a/Documentation/devicetree/bindings/iio/adc/adi,ad4080.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/adi,ad4080.yaml
@@ -26,6 +26,7 @@ properties:
   compatible:
     enum:
       - adi,ad4080
+      - adi,ad4084
 
   reg:
     maxItems: 1
-- 
2.43.0