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Wed, 04 Nov 2026 08:45:30 -0800 (PST) Received: from kapoor.iiserb.ac.in ([203.18.51.212]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-36ca38d36a1sm10368825eec.12.2026.11.04.08.45.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Nov 2026 08:45:30 -0800 (PST) From: Arnav Kapoor To: Sai Krishna Potthuri , Conall O'Griofa , Jonathan Cameron Cc: Salih Erim , Rob Herring , Krzysztof Kozlowski , Conor Dooley , David Lechner , =?UTF-8?q?Nuno=20S=C3=A1?= , Andy Shevchenko , Michal Simek , Andy Shevchenko , stable@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 1/2] dt-bindings: iio: adc: xlnx,zynqmp-ams: limit external channels to 30-50 Date: Wed, 4 Nov 2026 22:15:00 +0530 Message-ID: <20261104164510.105359-2-kapoorarnav43@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20261104164510.105359-1-kapoorarnav43@gmail.com> References: <20261104164510.105359-1-kapoorarnav43@gmail.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Channels 20 to 29 of the PL-SYSMON block are its fixed channels (PL temperature to VCCADC), which the driver always provides. Only channels 30 to 50 (the differential input, VUser0-3 and VAux0-15) are external channels that can be described as "channel@N" child nodes, yet the binding accepts any N from 20 to 50. Listing one of the fixed channels there only makes the driver add it a second time. Limit the child nodes to channels 30 to 50. Fixes: 39dd2d1e251d ("dt-bindings: iio: adc: Add Xilinx AMS binding documentation") Suggested-by: Sai Krishna Potthuri Signed-off-by: Arnav Kapoor --- .../devicetree/bindings/iio/adc/xlnx,zynqmp-ams.yaml | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/iio/adc/xlnx,zynqmp-ams.yaml b/Documentation/devicetree/bindings/iio/adc/xlnx,zynqmp-ams.yaml index 3ae1a0bab38f..0872f5f314c1 100644 --- a/Documentation/devicetree/bindings/iio/adc/xlnx,zynqmp-ams.yaml +++ b/Documentation/devicetree/bindings/iio/adc/xlnx,zynqmp-ams.yaml @@ -160,17 +160,18 @@ properties: const: 0 patternProperties: - "^channel@([2-4][0-9]|50)$": + "^channel@([34][0-9]|50)$": type: object description: - Describes the external channels connected. + Describes the external channels connected. Channels 20 to 29 are + always available and are not listed here. properties: reg: description: Pair of pins the channel is connected to. This value is same as Channel Number for a particular channel. - minimum: 20 + minimum: 30 maximum: 50 xlnx,bipolar: -- 2.53.0