From mboxrd@z Thu Jan 1 00:00:00 1970 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 8E7FF1EDA29; Tue, 1 Apr 2025 09:20:16 +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=1743499218; cv=none; b=ZixoBUDLiEOEFPw5rsDnG4BMLsspo+ez65EzqmF1B6hO4JJ0HtxOuKDHjUtQvasUk7A8hu2yhk3/8o8P/46CNmDO7Vp34ktzMJjPLqO7EwqmgII1GzjBtOTV9vLfq8dx/i4QEN6ZZHADCzNoUToISb/Ycwatl4uTtd2T8VeE09U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743499218; c=relaxed/simple; bh=Q4+/Q8eUvUq9Y9bXzIY4bPaeeK3kIkEBNnD8hv86/C4=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=jTareiwE+aTMN7oGIgcqhzPiZ5MjuzOfumNpwXRH3nSOtBzgy5FeaB6EigjYacxEUC5CN6ESq+0aFZy0VoWpw+a6kGDWAx4L0Tp938JLACjoQwHTG6gbggIgxRoBP5sLdCdB/zBCIu0aYgtZqR/gHbDL2db+03Hssebwyx90lK8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=CzuSPGtT; arc=none smtp.client-ip=209.85.221.43 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="CzuSPGtT" Received: by mail-wr1-f43.google.com with SMTP id ffacd0b85a97d-39ac8e7688aso4158479f8f.2; Tue, 01 Apr 2025 02:20:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1743499215; x=1744104015; darn=vger.kernel.org; h=mime-version:user-agent:content-transfer-encoding:references :in-reply-to:date:cc:to:from:subject:message-id:from:to:cc:subject :date:message-id:reply-to; bh=Q4+/Q8eUvUq9Y9bXzIY4bPaeeK3kIkEBNnD8hv86/C4=; b=CzuSPGtT1QjTYbd1N9j82OLOZ7c60BuntkouWsfkZ06Mx1vvmu92hFH8puO6AFTnDz UxJ06b5EsBc3yaR7YjTcd8l7eKPGU8ay3VcNVROsOPihYKuq8zHkS2OJMSvQzQ9EMWIx 5UrhaMakNNVoib6b0/eQbueev2dqZSLmHBw4DUusgnVHUC39IxuDR8MSKoPrxujVguEw v1/2UvDJLPSgsNkWFEZEsC9gpsBdLEi2eRIs47WXMgpj8HWRtWfnZ/mcZQT8Mtx8C5vD 5mbHgqMpQEOueskC4/hhXCkwCmmtski4XPyKGiV4bO565+qQ3wI10I9CwD8IsvvjxOHC UreA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1743499215; x=1744104015; h=mime-version:user-agent:content-transfer-encoding:references :in-reply-to:date:cc:to:from:subject:message-id:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=Q4+/Q8eUvUq9Y9bXzIY4bPaeeK3kIkEBNnD8hv86/C4=; b=FugOza79mdIF/FSLPObiBRysksDHaiVw+LEW7fJ11MIdsV4exo5Bg4f+jgODE1PgE2 49Y1+9vFZsePkzxVh1H2XUrbe0Rm+Zq5dR/fuf+GlDhkKC4Aae1Ei80DiwGn0PHfNReZ zGbVQRs9OQf8z9+LZo0BkmRq4B2EXjE7YRGQOUWpQAjsA43auh8lqJE3oTPaU3zIhyuY Kn111lH5x2+VIeRlrZvHlQteOgcosPm6Bj5fCOv0XgvrgI2380G7BhmvfAwUCQ5P+7VP beMqrU0IC4qMps7TVAOZu5ZhLrGT06I9lrK4rWWzV9Vocega5YT+eKIbfT6vbeBVimRc T+jQ== X-Forwarded-Encrypted: i=1; AJvYcCUIKHHLyFm4BwNsjeh9e/g4AEfK8CLi1AlTC41W1LXLDF1ukeg63px7u2S296nzAL7OqVPLq0Kt8aKb@vger.kernel.org, AJvYcCV4x/PdGwlRn7WoaSaKg4mYnGs5B18oCB2OtRZG2Hs5vafwWbM7DL7pVc8lVnN1VSSkTFbHgMkmdZ8=@vger.kernel.org, AJvYcCW8VjEKxGu27stu3hH9zIB5bj48cPXbVbHnaTfh9fxUR3L/5xhG6wrWs3H2DiriIdjRuVL8D9aBdPEHZhgt@vger.kernel.org X-Gm-Message-State: AOJu0Yw3FFKZUb7m+Wy0zaPhDAK+UMAU4q21bDS/NgHJAoXOdohG34Xz pmMxttdwR/CBvNGogTnpSdbmJu+Yftm1JywvJuwN0avsfxJyamd3 X-Gm-Gg: ASbGncvXItDlltUFDT1S31o/xAwiYjQYhsV4IUvrgn6Wyestqn4C83b/oFj9GzdBAFD 2es0CUHWqhfvLbAzKCSCfRIAD9+IDI+xMuCp0ze/EFegR/0rC/wv1epxm7BclKlyRWyZs6UdrBT /PTreh8wFYrJOZ/g/mOUgBHKYcTYqNgV6bloWe+VIciPGIPFro4B8hzu7CEw0PMKD2sB71B7H+H m3sQs4pbHQMf8TEWTLfbQwOeTGlFkDiW3aWumU30ALeROTiZrG9wfJSfmFRofnwMb7tsfLyrwxM 5BPy8i9rcnGwC+MOuAc8vCGwh5TKZyPTp1A38OhIAbcUUUE/+a34jH766bFpb+iMThBMf51EDEI k/iPTpPqiB1KtBlEJ X-Google-Smtp-Source: AGHT+IEKRREFuu7xEnipiixpvfhmZzkY1DBDCub5I8hZzD7/4QR7Y/PaCTDAGQ/hCQo64SSj0QbH/Q== X-Received: by 2002:a05:6000:220f:b0:39c:268b:83a7 with SMTP id ffacd0b85a97d-39c268b83c6mr1093103f8f.5.1743499214596; Tue, 01 Apr 2025 02:20:14 -0700 (PDT) Received: from ?IPv6:2001:818:ea8e:7f00:2575:914:eedd:620e? ([2001:818:ea8e:7f00:2575:914:eedd:620e]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-39c0b66a962sm13396538f8f.46.2025.04.01.02.20.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 01 Apr 2025 02:20:14 -0700 (PDT) Message-ID: Subject: Re: [PATCH 0/4] iio: ad3552r-hs: add support for internal ramp generator From: Nuno =?ISO-8859-1?Q?S=E1?= To: Angelo Dureghello , Jonathan Cameron Cc: Nuno =?ISO-8859-1?Q?S=E1?= , Lars-Peter Clausen , Jonathan Corbet , Olivier Moysan , Michael Hennerich , linux-iio@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Date: Tue, 01 Apr 2025 10:20:14 +0100 In-Reply-To: References: <20250321-wip-bl-ad3552r-fixes-v1-0-3c1aa249d163@baylibre.com> <20250330175350.6cebf779@jic23-huawei> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.56.0 Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Mon, 2025-03-31 at 21:11 +0200, Angelo Dureghello wrote: > Hi Jonathan, >=20 > On 30.03.2025 17:53, Jonathan Cameron wrote: > > On Fri, 21 Mar 2025 21:28:47 +0100 > > Angelo Dureghello wrote: > >=20 > > > Add support to enable the HDL IP core internal ramp generator, > > > actually managed by the adi-axi-dac backend.=20 > >=20 > > What is it for?=C2=A0 Circuit testing or something else? > > We have in the past had pattern generators in IIO (currently under > > frequency drivers, though I'm not sure what we have in the way of > > waveforms in the stuff outside staging) so I'd like to be sure > > this is about debug rather than a pattern that is actually expected > > to be useful. > >=20 >=20 > Sorry form some reason seen this too late, just sent a v2. >=20 > Anyway, the signal is a tooth wave at 280Hz, not sure that pattern > can be of any use except for some dabug cases, or noise tests. >=20 Yes, typical usecase for this is to debug/validate the serial interfaces. I= 'm used to this see for LVDS/CMOS though (but I would assume the principle to = be the same). - Nuno S=C3=A1