From nobody Thu Oct 9 06:52:52 2025 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.12]) (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 0CD3E152DE7; Thu, 19 Jun 2025 18:00:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.12 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750356031; cv=none; b=kbHwVPPP/pIDtB6t43WwodtbUzV1V1YZwJvaewwL5ESF5VE4/SPEn/bfRJ4dYP08OfqeW+YkNw5fs2D9DQjjbhyrypcPiInybICkpn+JnYz2BYW+Avee/qWnyW7qftjFrjyUFIudKy51pfzPeDf7amTVasW0lMStKfLurmShQCE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750356031; c=relaxed/simple; bh=KWJQMbX5JD4uCQEL5BpmXqyAVzFe/6rRwmcsG5G6wsY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=GF+ZW0kiCZFOoIdhNyPsh73cfs/1HE0UMTxMp2K+WzBNZ4FbWYor3lcpwE0fFEy9mx8SzoKcHM9p88DshBTDu7PgcGvwsjHUlAXFy9BTDZ3+PtMQjV/fgezSthSSXyoHvthRfWoF86aZp8mQ00gollB0TlVmPmnEIv1FByGXaMI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=SGGBeHrM; arc=none smtp.client-ip=198.175.65.12 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="SGGBeHrM" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1750356030; x=1781892030; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=KWJQMbX5JD4uCQEL5BpmXqyAVzFe/6rRwmcsG5G6wsY=; b=SGGBeHrMzQpRslHLMT9/XOFgEmmGs8/eXT9wneTaUJ9bvWqIJ+J50vUK +ZkPKMTAY7DDYuGx6E/re3pSuCcYUYIZUE/TCYvOgsaACc84PpbjPkK6d a0BVVclfTwmwr6SAai+kBC/xYWQ1vYwwfpz2AyeUeZ8dyXRnCsq3wWjaF NEByxYPvj90iu0C7bUwIZo0geUd8GYRRqhr+p5iwhJCGMw7yt0oqTJbha rvHrgbns8C24L8MQnA6P3d2mX6DUc1ROSoh7c8QXqO4MgOb7hnQltbfGs 4WGJ6Z5Gyoqap8tlN+3uy/t4D6AQbn4v6MQHdXCk83nvEdNVmm+ajhgww A==; X-CSE-ConnectionGUID: 9JY8ZGAXRnK3lt84bSUb2Q== X-CSE-MsgGUID: RtkE+f9HQC+qTVoZXLGy5A== X-IronPort-AV: E=McAfee;i="6800,10657,11469"; a="64047708" X-IronPort-AV: E=Sophos;i="6.16,249,1744095600"; d="scan'208";a="64047708" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by orvoesa104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Jun 2025 11:00:29 -0700 X-CSE-ConnectionGUID: ONf8kMIbRWyfZhOBKM6CDQ== X-CSE-MsgGUID: egyGboLvSVi0nfLadPKJMg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,249,1744095600"; d="scan'208";a="150919277" Received: from cpetruta-mobl1.ger.corp.intel.com (HELO mdjait-mobl.intel.com) ([10.245.245.13]) by orviesa007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Jun 2025 11:00:19 -0700 From: Mehdi Djait To: laurent.pinchart@ideasonboard.com, sakari.ailus@linux.intel.com Cc: akinobu.mita@gmail.com, stanislaw.gruszka@linux.intel.com, hdegoede@redhat.com, arnd@arndb.de, alain.volmat@foss.st.com, andrzej.hajda@intel.com, benjamin.mugnier@foss.st.com, dave.stevenson@raspberrypi.com, hansg@kernel.org, hverkuil@xs4all.nl, jacopo.mondi@ideasonboard.com, jonas@kwiboo.se, kieran.bingham@ideasonboard.com, khalasa@piap.pl, prabhakar.csengg@gmail.com, mani@kernel.org, m.felsch@pengutronix.de, martink@posteo.de, mattwmajewski@gmail.com, matthias.fend@emfend.at, mchehab@kernel.org, mehdi.djait@linux.intel.com, michael.riesch@collabora.com, naush@raspberrypi.com, nicholas@rothemail.net, nicolas.dufresne@collabora.com, paul.elder@ideasonboard.com, dan.scally@ideasonboard.com, pavel@kernel.org, petrcvekcz@gmail.com, rashanmu@gmail.com, ribalda@chromium.org, rmfrfs@gmail.com, zhengsq@rock-chips.com, slongerbeam@gmail.com, sylvain.petinot@foss.st.com, s.nawrocki@samsung.com, tomi.valkeinen@ideasonboard.com, umang.jain@ideasonboard.com, zhi.mao@mediatek.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org Subject: [PATCH v1 02/55] Documentation: media: camera-sensor: Mention v4l2_devm_sensor_clk_get() for obtaining the clock Date: Thu, 19 Jun 2025 19:58:55 +0200 Message-ID: <1261f41358da597fb9900b7880618ebcc392160d.1750352394.git.mehdi.djait@linux.intel.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add the new v4l2 helper devm_v4l2_sensor_clk_get() to Documentation. the helper works on both DT- and ACPI-based platforms to retrieve a reference to the clock producer from firmware. Signed-off-by: Mehdi Djait diff --git a/Documentation/driver-api/media/camera-sensor.rst b/Documentati= on/driver-api/media/camera-sensor.rst index c290833165e6..c82c018a5f40 100644 --- a/Documentation/driver-api/media/camera-sensor.rst +++ b/Documentation/driver-api/media/camera-sensor.rst @@ -32,7 +32,8 @@ user. ACPI ~~~~ =20 -Read the ``clock-frequency`` _DSD property to denote the frequency. The dr= iver +Use ``devm_v4l2_sensor_clk_get()`` to get the clock. The function will rea= d the +``clock-frequency`` _DSD property to denote the frequency. The driver can rely on this frequency being used. =20 Devicetree