From patchwork Fri Jul 26 15:20:05 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julien Stephan X-Patchwork-Id: 13742888 Received: from mail-wr1-f43.google.com (mail-wr1-f43.google.com [209.85.221.43]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6CA4B18E1E for ; Fri, 26 Jul 2024 15:20:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.43 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722007221; cv=none; b=lei4QvUpZVJTD6h9jqkVS3WAY9kSDmHIXzqVOri5dFj25d6iI/rNhJ+TVxVYGuKdLcwEFQE5qwsC+VFSHrYc2nE2e7JOa/pgFTnngHGCk0bEr9wgF8XZwBLbE8IswlqKNd3N53PAIUMQTxkqM5HPNrkVdTdpaLXgAWMTEEyqsFM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722007221; c=relaxed/simple; bh=CcSVrXgio5wQaIXNHB/uRRuS79CVZUk6owoeEqIgekE=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=oal3zbb0gP2nApG6sH41Tk74IWhFPlaQFm6b3gls9gRMkEPQvjezh8IkkY1oy/DHkx6d/a5mVpov8xOPcsqOiyy9vEvBkM2SUNQqlG1a3bmPebnVrZ49GLgN39voSFtL6jaR0Gu0wzDPdaO6ris6tM54dep7ntPJEMfQpNMQUn8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com; spf=pass smtp.mailfrom=baylibre.com; dkim=pass (2048-bit key) header.d=baylibre-com.20230601.gappssmtp.com header.i=@baylibre-com.20230601.gappssmtp.com header.b=vZeYDW9u; arc=none smtp.client-ip=209.85.221.43 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=baylibre.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=baylibre-com.20230601.gappssmtp.com header.i=@baylibre-com.20230601.gappssmtp.com header.b="vZeYDW9u" Received: by mail-wr1-f43.google.com with SMTP id ffacd0b85a97d-368584f9e36so1240134f8f.2 for ; Fri, 26 Jul 2024 08:20:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20230601.gappssmtp.com; s=20230601; t=1722007217; x=1722612017; darn=vger.kernel.org; h=cc:to:content-transfer-encoding:mime-version:message-id:date :subject:from:from:to:cc:subject:date:message-id:reply-to; bh=0AeN/4B/YnSfiF3EeOkW241sQaeu6ZqWm1AU0eyyb88=; b=vZeYDW9uhFs+a+Daq9vAcWiJqJDo4Igy3tE69f86ob8txGXgxIMfVtLoJHxLIvTcvK caRPcvMrAn0DiFRtDq+G5MF7s20bWJbumMUVCZwPb1AdkZS0zevCb7KtGxACxhRN/SxO ZtvpdssTuXXwkY8SkwZxWcQUzosd8gd5PQ2ynpTYfdFgmclq47tCDw5JqnseMXqNRsLA K/hMcVbcWbNLk3ghu0DINc6Qi19ojs36M1TpB4zpwxwvvfzT7Ezg4eqcgEaJlXVDkCXO oyw4sC+e3C1Obhtn57dAZ4CSxnJdFcZY/F7pWGTcO+xDLP8LE3T4wwOrIxFWtDaKDKpT bMiw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1722007217; x=1722612017; h=cc:to:content-transfer-encoding:mime-version:message-id:date :subject:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=0AeN/4B/YnSfiF3EeOkW241sQaeu6ZqWm1AU0eyyb88=; b=BjmEgD0WWS7YFNIqYFKiN9EfrNz+86WMxw4fqQlNzwzIRWHC4mVzRVvvF2NIcMIPrp ZjQyj2CNvAkfF8UA+Z19B6KwnkCI1kZQ8oHQMWCZDyww6Zla1G1ULJ74JcOin+DwHQK6 wXR8Ks0o7WUWF/yvetW2WYB3YsJKV5Jrs1Fy6G6LgG9D4BufDLCQByZmxptQktc1O9wG yfGmHrlWav56mtbJu8YpKptr4R60Gqbc3UDxgnBuG0Zc27ELX6giBAA77C0FxlnwhA2B mFYKne3FzDUQPzYt8V6OUh8EuS6r9Q50qCUsHNwRwB7wTzt7nFnUiEC1HOCICpwYkiZq lfBA== X-Forwarded-Encrypted: i=1; AJvYcCVLMi/GBm5JYVLlf6FFnxvC2OdEm793CBNFW4//pbVPj1SGPUqU4j1nwvYHguCoq3nJbkxTGnUtM3AugPmckb63qYYDLD3Jmx5S X-Gm-Message-State: AOJu0YyndEipvxYF9NpekTe9iZCAeTZ11a01Wgved/HI4iBTfBx0eT20 3XPDgYu+aywTWy2PuqWFhYaYKT6GlnIDUFwFLBYKQL9Dm+zGD4/TFn/cuViN6Eg= X-Google-Smtp-Source: AGHT+IF6BPwk3Uv31HZuM/iBo8zO292n3pIWNBgKAoH7EyLiUKyXSFwiCMisxHtFeKxAAj/I1gjaqw== X-Received: by 2002:adf:e306:0:b0:366:ebd1:3bc1 with SMTP id ffacd0b85a97d-36b5cecf2abmr42532f8f.3.1722007216739; Fri, 26 Jul 2024 08:20:16 -0700 (PDT) Received: from [192.168.1.61] (2a02-842a-d52e-6101-6f8f-5617-c4b6-8627.rev.sfr.net. [2a02:842a:d52e:6101:6f8f:5617:c4b6:8627]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-36b367c0338sm5500985f8f.1.2024.07.26.08.20.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 26 Jul 2024 08:20:16 -0700 (PDT) From: Julien Stephan Subject: [PATCH 0/5] ad7380: add support for single-ended parts Date: Fri, 26 Jul 2024 17:20:05 +0200 Message-Id: <20240726-ad7380-add-single-ended-chips-v1-0-2d628b60ccd1@baylibre.com> Precedence: bulk X-Mailing-List: linux-iio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-B4-Tracking: v=1; b=H4sIAKW+o2YC/x3MMQqAMAxA0atIZgO1ii1eRRxsEzUgVRoQQby7x enzlv+AchZWGKoHMl+icqSCpq4gbnNaGYWKwRrbGWd7nMm13pQQqqR1Z+RETBg3ORVD1zpqYvT BByiPM/Mi9/8fp/f9AH7NTG1vAAAA To: Michael Hennerich , =?utf-8?q?Nuno_S=C3=A1?= , David Lechner , Lars-Peter Clausen , Jonathan Cameron , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jonathan Corbet Cc: Michael Hennerich , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, Julien Stephan X-Mailer: b4 0.13.0 This series will add support for ad7386/7/8 (16/14/12 bits) unsigned, dual simultaneous sampling, single-ended compatible parts, and the corresponding ad7386-4/7-4/8-4 4 channels to ad7380 driver. These parts have a 2:1 multiplexer in front of each ADC. They also include additional configuration registers that allow for either manual selection or automatic switching (sequencer mode), of the multiplexer inputs. From an IIO point of view, all inputs are exported, i.e ad7386/7/8 export 4 channels and ad7386-4/7-4/8-4 export 8 channels. Inputs AinX0 of multiplexers correspond to the first half of IIO channels (i.e 0-1 or 0-3) and inputs AinX1 correspond to second half (i.e 2-3 or 4-7). Example for AD7386/7/8 (2 channels parts): IIO | AD7386/7/8 | +---------------------------- | | _____ ______ | | | | | | voltage0 | AinA0 --|--->| | | | | | | mux |----->| ADCA |--- voltage2 | AinA1 --|--->| | | | | | |_____| |_____ | | | _____ ______ | | | | | | voltage1 | AinB0 --|--->| | | | | | | mux |----->| ADCB |--- voltage3 | AinB1 --|--->| | | | | | |_____| |______| | | | +---------------------------- To ease the review, this series is split on several commits, in particular, sequencer mode is added as an additional commit. Cheers Julien Signed-off-by: Julien Stephan --- Julien Stephan (5): dt-bindings: iio: adc: ad7380: add single-ended compatible parts ad7380: prepare driver for single-ended parts support ad7380: add support for single-ended parts ad7380: enable sequencer for single-ended parts docs: iio: ad7380: add support for single-ended parts .../devicetree/bindings/iio/adc/adi,ad7380.yaml | 13 + Documentation/iio/ad7380.rst | 42 ++ drivers/iio/adc/ad7380.c | 511 +++++++++++++++++---- 3 files changed, 488 insertions(+), 78 deletions(-) --- base-commit: 472438c7e0e2261c6737a8321f46ef176eef1c8f change-id: 20240726-ad7380-add-single-ended-chips-b437d1cc8b8b Best regards,