From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.16]) (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 24CBD26F2A0; Fri, 8 May 2026 07:37:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.16 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778225881; cv=none; b=swzZhGj55SEzkuaLyx+NyLaxjQ+TqTMCfIbQg3ipcGEePHMz6QmJXz3LjoWz0JWyBeH2OIwQrhrlMwdeoX4lsTdnmFcko0ApK+cJsdHUUJ81nXQPJxtdDmhQeEVqFb9mTJUtpM0+lPf0IRhOPBIvYpMtcsSKz5bbKgEEorW/BYI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778225881; c=relaxed/simple; bh=NRhqpO0rWWTJQZAs7QEzV5sSKAJNdZGNTpfZ2fgN4xw=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=bzkeWjIMfQc9nmkxqIXCryVZY9P16WkGR6aV+gfc7s7AXCsyqkBJCfCHzIws90Dx5IRyoTGZjIYyeYXkK5zEW87r3kgjF8NvPjgMTMWgpvA6V2GUvc78Nna3BspkPOCjzvCNIqVQtwJkAmbKwJ34AFCvdRDAJvJvo+O3kg/URZ8= 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=Af6tTmYX; arc=none smtp.client-ip=192.198.163.16 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="Af6tTmYX" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1778225880; x=1809761880; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=NRhqpO0rWWTJQZAs7QEzV5sSKAJNdZGNTpfZ2fgN4xw=; b=Af6tTmYXXlMbtgTjef+DUdN23Z5tlojj4AzFLqoownDTBEb83MJAjDS/ M8UVXTXuiArIlJNzyglRZaK+D76N/KtdvnsmgPvYA9zzurosxjcm/sIJZ nB6hstynqZxOx/vYvkcBS6oju+iD4U3pvGHoqM0nDHnxzK03VQhmryhIt XQux/5pzuEghwF2fyk6mIqMkeLMd4AQo7V6DM/SNoJPir9Tu1C3586tiH nrWiKKPS0e08oNi0V1YeiMkkQ0/m6xgkf8BOcqVSFgTkmL6JIq6a2ZYnx hOo1jMggpMB14tIPCj70NoXTPW62ar6VQgbAyInMdudOp7wvjqcKzJl2y Q==; X-CSE-ConnectionGUID: QQ/hh3sDTreiHv9ZCtjzKw== X-CSE-MsgGUID: hGE1wk46Sx2ntQjJRTaXLQ== X-IronPort-AV: E=McAfee;i="6800,10657,11779"; a="66716276" X-IronPort-AV: E=Sophos;i="6.23,223,1770624000"; d="scan'208";a="66716276" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by fmvoesa110.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 May 2026 00:37:59 -0700 X-CSE-ConnectionGUID: D+9fE+sqSgO0SUvGSNuNCw== X-CSE-MsgGUID: W/HElhn4SGqBre2ryzpISw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,223,1770624000"; d="scan'208";a="238483501" Received: from ijarvine-mobl1.ger.corp.intel.com (HELO localhost) ([10.245.245.237]) by fmviesa004-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 May 2026 00:37:55 -0700 Date: Fri, 8 May 2026 10:37:53 +0300 From: Andy Shevchenko To: Janani Sunil Cc: Lars-Peter Clausen , Michael Hennerich , Jonathan Cameron , David Lechner , Nuno =?iso-8859-1?Q?S=E1?= , Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Philipp Zabel , Jonathan Corbet , Shuah Khan , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, Janani Sunil Subject: Re: [PATCH 0/3] iio: dac: Add support for AD5529R DAC Message-ID: References: <20260507-ad5529r-driver-v1-0-b4460f3cb44f@analog.com> 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: <20260507-ad5529r-driver-v1-0-b4460f3cb44f@analog.com> Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo On Thu, May 07, 2026 at 06:28:08PM +0200, Janani Sunil wrote: > This patch series adds support for Analog Devices AD5529R, a 16 channel > 16 and 12 bit voltage Digital-to-Analog Converter (DAC) with integrated > precision reference. The AD5529R operates from both unipolar and > bipolar supplies. The device communicates via SPI interface. > > **Device Overview:** > The AD5529R features 16 independent DAC channels, with 16 or 12 bit > resolution, allowing independently programmable output ranges. The > internal 4.096V precision reference sets the accuracy of the output > voltage. > > **Features Implemented:** > - Automatic detection of 12/16 bit generic with product ID read. > - Reset support via GPIO. > - Dual regmap configuration to handle 8 and 16 bit registers. > > **Patch Summary:** > 1. **dt-bindings**: Binding documentation with channel configuration. > 2. **driver**: Implement IIO DAC Driver with regmap support. > 3. **documentation**: Add driver documentation with usage examples. > > **Testing:** > The driver was compiled and tested on the EVAL-AD5529R-ARDZ using a > coraZ7 with a mainline v7.0 kernel. Missed section for a new driver. Id est answer the question "Why a new brand driver? Do we have something similar in IIO already to be expanded to cover this HW part?" -- With Best Regards, Andy Shevchenko