From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.9]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id ADAC6222590; Thu, 16 Jul 2026 21:44:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.9 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784238258; cv=none; b=S40pD1xGozGts6n4DGXsPPq9+EGjPSwC0OKF1AVgzsjJ608hDmGSG4l/VrljRkjlPGal4/p4twJ55MHhCdpBcFgcyXzLgAQIX7u9qnxHCTf3NAvoED2PExFEaVRzN1rZUFmx/lVyQcPyCac8oTZ/2O8d5L/yhwB8qo+TFN0L2bA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784238258; c=relaxed/simple; bh=AULKYViUHn0EerT21KRgLC4NPD9+3p9wrJ9n+6zCKug=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Pj8ZzFp6cnCtz6utv+zDgzSGWaMLyyxQzdpFXfLP8hS3e0j4Ywecp2Ex/PPGz7EG6qTtQyreVbXgkKBTJhJN4zcz6Zn1ry1oZ6B763XPzyK8bIwpmQNxmGqxhDp/lMrDJUYa1JekOwWGONQf/sjccuooKfdz/U2ohUj2pmiGo/8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=Aqi7Fz1y; arc=none smtp.client-ip=192.198.163.9 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="Aqi7Fz1y" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1784238257; x=1815774257; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=AULKYViUHn0EerT21KRgLC4NPD9+3p9wrJ9n+6zCKug=; b=Aqi7Fz1yQShAL6KfrTiloMOUoGMTBF5RjOMVrQVZSxSNEVdXW1m9togY SBenPhRQv4dskMdXRHG1to5vpr1L2NDwKASDTx2Zvq4ZSOAdEdeI3tGUM pkXJLDkHxst9WVt3VtOAll8wSpP88i6BfMFPMGILNdyTJcK+trgwkETGR R+9vEQmPzqpDbGvgE3VOH9FjS1885hfuesdZWvf3FN9PvpyVzZOAOQHQa SZOXxXygGUdPkhBzRjUA/H7wUIVRlxVlgy/Lg7ApU9H55IrR/anFJ4exj 8j2T4yUzuR1s4m64rg4yRLbFX8h2wzD6lH1/aHjLKkILlRszVuttdIRss Q==; X-CSE-ConnectionGUID: rQ1kIbCjQbm9NyrxkYi2ug== X-CSE-MsgGUID: kcpSnisBRFO6pJBKVqQOKw== X-IronPort-AV: E=McAfee;i="6800,10657,11848"; a="95564628" X-IronPort-AV: E=Sophos;i="6.25,168,1779174000"; d="scan'208";a="95564628" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Jul 2026 14:44:16 -0700 X-CSE-ConnectionGUID: 0CqQJwhGTvis7Buqh37UhQ== X-CSE-MsgGUID: OWvpIhWTQlaoi8BVoQJVDg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,168,1779174000"; d="scan'208";a="286681761" Received: from conormcd-mobl2.ger.corp.intel.com (HELO localhost) ([10.245.245.26]) by orviesa002-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Jul 2026 14:44:12 -0700 Date: Fri, 17 Jul 2026 00:44:10 +0300 From: Andy Shevchenko To: Marcelo Schmitt Cc: linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, jic23@kernel.org, nuno.sa@analog.com, Michael.Hennerich@analog.com, dlechner@baylibre.com, andy@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, julianbraha@gmail.com, marcelo.schmitt1@gmail.com Subject: Re: [PATCH v7 0/4] iio: adc: Add support for LTC2378 and similar ADCs Message-ID: References: Precedence: bulk X-Mailing-List: linux-iio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo On Thu, Jul 16, 2026 at 06:08:49PM -0300, Marcelo Schmitt wrote: > This patch series adds support for LTC2378 and similar low noise, low power, > high speed, successive approximation register (SAR) ADCs. These ADCs are similar > among each other, varying mainly on the amount of precision bits, maximum sample > rate, and input configuration (either fully differential or pseudo-differential). > > Patch 1 adds device tree documentation for LTC2378. > > Patch 2 enables single-shot sample read with a GPIO connected to the LTC2378 CNV pin. > > Patch 3 enables high-speed data captures with SPI offloading. > The setup is similar to AD4030, with a specialized PWM generator being used both > for SPI offload triggering and conversion start signaling. > > Patch 4 enables running buffered data captures without SPI offloading. > > Even though these parts are somewhat similar to AD4000, the wiring configuration > for LTC parts is different as well as the available HDL for high speed sample > rate mode. Because of that, I propose creating a new device driver for > supporting LTC2378-like devices. Reviewed-by: Andy Shevchenko for patches 2-4. -- With Best Regards, Andy Shevchenko