From patchwork Thu Feb 20 15:49:09 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mehdi Djait X-Patchwork-Id: 13984167 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 5FCC320CCD7 for ; Thu, 20 Feb 2025 15:49:20 +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=1740066562; cv=none; b=qt/KJK9KrirQGGA+CkHDdMWYt/n+O27qq/iHojUMHfIK7MzPd/uPWLujkG9zGtHQBcxxzjGa/fg3x5py2WvTD36hoC3jwO7OKoFodBPTc+GBl1IKxx315HBf20gZurp9fVzFf+Ct32HKlqWB2NfX+noL8N6BThOmwqeMsMC+vhk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740066562; c=relaxed/simple; bh=eOhMdln0x/JRIn7eIbxi0KcqRWyYC3R9SAl9QwIu/xo=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=RhMwUmjXWgX7Qp2joFuHtXeaOTJTnxOWISNaR956sGgOKpgFq+svGWAAYbwrtJsKxWkasd3fXTfSVkCQCMRXGor6/b69bLoAt9MMVtozgZjBQ4WKDAaAOWKwG5ft38XR2Gb1EUX5KA9rXgQcWNfUg4fSp0YHR0pU8IoVLKgDEY4= 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=fNyCEyxg; arc=none smtp.client-ip=192.198.163.16 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="fNyCEyxg" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1740066560; x=1771602560; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=eOhMdln0x/JRIn7eIbxi0KcqRWyYC3R9SAl9QwIu/xo=; b=fNyCEyxgR/S0kcHjO7GOZRlJTcEyx4Be7DJPXaZlEERM9gogCLTTA8MT zNrRoJSVnrepEgYlQYdMIqae3CyhO+OcRxTY7EAvT2eXkU5ws+yZvyYUr ktC5BHvKTZAqFzWQmBRh9JCM1/t+3m6QJLvIBhKmutvLHmElNZJyf5dC4 ns2iseSZge/Dh+2ZGpUVwtp75MlU+eXLAaNVRig3vhWV7QuZ+LU54x6+s b7Gz5AK2s/fVloijN11l1SRaj63oLJT5Wy0hO6l0pP72o42VJnBjpHTMW cP0LW6Ig132YyAMK13WBSyE7bTj8JgzjfbB0RfoqB8Zk6oEROhtSA6Prz w==; X-CSE-ConnectionGUID: JYH5Oe+sR/yMw7pxCLV32w== X-CSE-MsgGUID: aEnkTb49SX64xXgC65A5Nw== X-IronPort-AV: E=McAfee;i="6700,10204,11351"; a="28449080" X-IronPort-AV: E=Sophos;i="6.13,302,1732608000"; d="scan'208";a="28449080" Received: from orviesa008.jf.intel.com ([10.64.159.148]) by fmvoesa110.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Feb 2025 07:49:19 -0800 X-CSE-ConnectionGUID: wAXO4MyHRwOL50uTxzUusw== X-CSE-MsgGUID: ZXjQEJstTA+OKhmCqYHu+w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,224,1728975600"; d="scan'208";a="115975757" Received: from oandoniu-mobl3.ger.corp.intel.com (HELO mdjait-mobl.intel.com) ([10.245.244.176]) by orviesa008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Feb 2025 07:49:17 -0800 From: Mehdi Djait To: sakari.ailus@linux.intel.com, dave.stevenson@raspberrypi.com, laurent.pinchart@ideasonboard.com, tomi.valkeinen@ideasonboard.com Cc: linux-media@vger.kernel.org, Mehdi Djait Subject: [PATCH] media: i2c: imx219: Add support for 'clock-frequency' parsing Date: Thu, 20 Feb 2025 16:49:09 +0100 Message-ID: <20250220154909.152538-1-mehdi.djait@linux.intel.com> X-Mailer: git-send-email 2.48.1 Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Make the clock producer reference lookup optional Add support for ACPI-based platforms by parsing the 'clock-frequency' property when no clock producer is available Signed-off-by: Mehdi Djait --- drivers/media/i2c/imx219.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/drivers/media/i2c/imx219.c b/drivers/media/i2c/imx219.c index 2d54cea113e1..a876a6d80a47 100644 --- a/drivers/media/i2c/imx219.c +++ b/drivers/media/i2c/imx219.c @@ -1103,12 +1103,22 @@ static int imx219_probe(struct i2c_client *client) "failed to initialize CCI\n"); /* Get system clock (xclk) */ - imx219->xclk = devm_clk_get(dev, NULL); + imx219->xclk = devm_clk_get_optional(dev, NULL); if (IS_ERR(imx219->xclk)) return dev_err_probe(dev, PTR_ERR(imx219->xclk), "failed to get xclk\n"); - imx219->xclk_freq = clk_get_rate(imx219->xclk); + if (imx219->xclk) { + imx219->xclk_freq = clk_get_rate(imx219->xclk); + } else { + ret = fwnode_property_read_u32(dev_fwnode(dev), + "clock-frequency", + &imx219->xclk_freq); + if (ret) + return dev_err_probe(dev, ret, + "failed to get clock frequency"); + } + if (imx219->xclk_freq != IMX219_XCLK_FREQ) return dev_err_probe(dev, -EINVAL, "xclk frequency not supported: %d Hz\n",