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Tue, 2 Dec 2025 15:54:49 -0500 From: Marcelo Schmitt To: , , , CC: , , , , , , , , , Subject: [PATCH v3 0/3] iio: adc: Add AD4134 minimum I/O support Date: Tue, 2 Dec 2025 17:54:43 -0300 Message-ID: X-Mailer: git-send-email 2.39.2 Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMjAyMDE2NCBTYWx0ZWRfXwsrr6cAiVTxN EtT8kHmBLnWmR+IGkDhSx0YP65GraFBX5t6au+6RJKfPR4sI1odjNcmWwxvU8SB0jH7H+0PiLOG l1eIKadN/9sel210xPx0k4fSs7WNFWOqADwoWiEYcCpL9zKsCUZ5Ktkij0GtH0/byNJv0ZQTSbi FfD8rpQ3uGYLCPzS1UnwoMxBJQdKpQf7MFXfRv2RlUehP+1Egm7sdhrnk3icbSBKdKWlyjtsmGd g+16sj2XReUvvC/ygomJfH5QB4NiF+IcttPinHLhMIbtBt9MYQQkVU+t34JakuTkV5P7FzZTSpd xdK8vpFTmLLpEzHmFKzrOsx3+YkYRabSeMGvrtZ6KJ88KYtxWxYR16n932hhJLDpDE9f4KPOjRN rywyW8P3t5jAxa/M4h7NBAp1BA9Y3w== X-Proofpoint-GUID: m0q8elInaE0S1hRMZculvUYoEjwYtMeb X-Authority-Analysis: v=2.4 cv=aaBsXBot c=1 sm=1 tr=0 ts=692f5228 cx=c_pps a=3WNzaoukacrqR9RwcOSAdA==:117 a=3WNzaoukacrqR9RwcOSAdA==:17 a=wP3pNCr1ah4A:10 a=VkNPw1HP01LnGYTKEx00:22 a=VwQbUJbxAAAA:8 a=gAnH3GRIAAAA:8 a=NTgoPMxxATPlW9ezKIwA:9 X-Proofpoint-ORIG-GUID: m0q8elInaE0S1hRMZculvUYoEjwYtMeb X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-12-01_01,2025-11-27_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 phishscore=0 spamscore=0 adultscore=0 impostorscore=0 lowpriorityscore=0 suspectscore=0 bulkscore=0 clxscore=1015 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2512020164 This patch series adds basic support for ad4134. AD4134 is a very flexible device that can be configured in many different ways. This series aims to support the simplest way of interfacing with AD4134 which is called minimum I/O mode in data sheet. This is essentially usual SPI with the addition of an ODR (Output Data Rate) GPIO which functions as conversion start signal in minimum I/O mode. This set provides just one feature: - Single-shot ADC sample read. [PATCH 1] Device tree documentation for AD4134. [PATCH 2] IIO Linux driver for AD4134. [PATCH 3] Initial IIO documentation. Change log v2 -> v3: [device tree] - fixed typo in powerdown-gpios description. - picked up Conor's review tag. [IIO] - Dropped leftover dev field from struct ad4134_state. - Inverted if condition and reduced indentation in ad4134_regulator_setup(). - Use (MICRO / MILLI) for microvolt/milivolt conversion. - Handled clock deferred probe cases. Link to v2: https://lore.kernel.org/linux-iio/cover.1763478299.git.marcelo.schmitt@analog.com/ Link to v1: https://lore.kernel.org/linux-iio/cover.1762777931.git.marcelo.schmitt@analog.com/ With best regards, Marcelo Marcelo Schmitt (3): dt-bindings: iio: adc: Add AD4134 iio: adc: Initial support for AD4134 Docs: iio: Add AD4134 .../bindings/iio/adc/adi,ad4134.yaml | 198 +++++++ Documentation/iio/ad4134.rst | 58 ++ Documentation/iio/index.rst | 1 + MAINTAINERS | 9 + drivers/iio/adc/Kconfig | 11 + drivers/iio/adc/Makefile | 1 + drivers/iio/adc/ad4134.c | 503 ++++++++++++++++++ 7 files changed, 781 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/adc/adi,ad4134.yaml create mode 100644 Documentation/iio/ad4134.rst create mode 100644 drivers/iio/adc/ad4134.c base-commit: f9e05791642810a0cf6237d39fafd6fec5e0b4bb -- 2.51.0