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Thu, 18 Jun 2026 17:33:17 -0700 (PDT) From: Kurt Borja Date: Thu, 18 Jun 2026 19:33:01 -0500 Subject: [PATCH RFC 1/3] dt-bindings: iio: adc: Add reference-source property Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260618-new-channel-props-v1-1-963c1b5cf40a@gmail.com> References: <20260618-new-channel-props-v1-0-963c1b5cf40a@gmail.com> In-Reply-To: <20260618-new-channel-props-v1-0-963c1b5cf40a@gmail.com> To: Jonathan Cameron , Rob Herring , Krzysztof Kozlowski , Conor Dooley , David Lechner Cc: =?utf-8?q?Nuno_S=C3=A1?= , Andy Shevchenko , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Kurt Borja X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1033; i=kuurtb@gmail.com; h=from:subject:message-id; bh=93B9LNByWqbkUcw8YTfLFyLPF/gQuktYnvqvIQkd918=; b=owGbwMvMwCUmluBs8WX+lTTG02pJDFkmfZ66+gp/+dgXy3NYP1UVmm4gHvb/1KWTfgw8Qu13H Hu70jI6SlkYxLgYZMUUWdoTFn17FJX31u9A6H2YOaxMIEMYuDgFYCJ8+xgZfqZsmv132cw6kca8 +FbNqbaC3CKzxdNmzNV5/Lrq3ptTigz/s496mLD6NYY+Yq/V8r70aPmHA5YTnfRFg6YlfzhhvUm QFwA= X-Developer-Key: i=kuurtb@gmail.com; a=openpgp; fpr=54D3BE170AEF777983C3C63B57E3B6585920A69A Some ADCs have configurable voltage reference sources for each channel. Signed-off-by: Kurt Borja --- Documentation/devicetree/bindings/iio/adc/adc.yaml | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/Documentation/devicetree/bindings/iio/adc/adc.yaml b/Documentation/devicetree/bindings/iio/adc/adc.yaml index b9bc02b5b07a4c..c74c2084fdb68c 100644 --- a/Documentation/devicetree/bindings/iio/adc/adc.yaml +++ b/Documentation/devicetree/bindings/iio/adc/adc.yaml @@ -73,6 +73,16 @@ properties: device design and can interact with other characteristics such as settling time. + reference-source: + $ref: /schemas/types.yaml#/definitions/uint32-array + maxItems: 2 + minItems: 1 + description: + Indicates the voltage reference source or sources for this channel. + + This array describes either a single reference source or a positive and + negative reference sources. + anyOf: - oneOf: - required: -- 2.54.0