From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) (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 539D42DFA2A; Thu, 21 Aug 2025 16:42:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.167.242.64 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755794560; cv=none; b=YjyoO+pfw8ByDr2fHKZQSKXKTNjKGLmpg2QP9gwNdaAk2cGGSYINpk+rQtEGCKIXW5PYeBlyQ/ClHmQxMP4Fm89XHdcRKDWDv3huQcZo1vBisM5/dxWWJ/2Gx5AwpLuwgn9LRzIDF6Gl0z5ZMLpc5sUJMOCF/GFdWJhCZaBYIZA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755794560; c=relaxed/simple; bh=mz/fzJfmTWZ3LEOoonwuE3DtZoZyUjRc0Upb01ff0/s=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=gz/2oH7I5ztfy/z7Y1HRhwXFAOVvEJchXzCi4TwjBNOXUOuxj40qFTxgc8yI5067YciWgqCEFvncqP0LkFSRjFpwqNq67298A5DjmwoSh++bHCip+/K/z07/kSR6APHG2aZvzNWcrr11qBlI6O+YfNldDvUDksFjUdi6VBe+pqY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ideasonboard.com; spf=pass smtp.mailfrom=ideasonboard.com; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b=UkVD6LzP; arc=none smtp.client-ip=213.167.242.64 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="UkVD6LzP" Received: from pendragon.ideasonboard.com (81-175-209-231.bb.dnainternet.fi [81.175.209.231]) by perceval.ideasonboard.com (Postfix) with UTF8SMTPSA id 90996250; Thu, 21 Aug 2025 18:41:35 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1755794495; bh=mz/fzJfmTWZ3LEOoonwuE3DtZoZyUjRc0Upb01ff0/s=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=UkVD6LzPl7FviU9HWcFXl+NqtHgD8s/cXbhJhTU0pUpl9UP78ZfzW6Z0AA/9CEj9S lrPPftwEJ2KHqe7VOKaJjxgmATDyX92cRxpcokCc6ic9cxPZ8zA4sUckubRjexP6LW LXI5VgowhlmEXMyFB2eGzm84WdvPUJ+LQ3tcOR54= Date: Thu, 21 Aug 2025 19:42:11 +0300 From: Laurent Pinchart To: Frank Li Cc: linux-media@vger.kernel.org, Isaac Scott , Rui Miguel Silva , Martin Kepplinger , Purism Kernel Team , Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH v2 12/12] arm64: dts: imx8mp: Specify the number of channels for CSI-2 receivers Message-ID: <20250821164211.GC29629@pendragon.ideasonboard.com> References: <20250821000944.27849-1-laurent.pinchart@ideasonboard.com> <20250821000944.27849-13-laurent.pinchart@ideasonboard.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: On Thu, Aug 21, 2025 at 12:00:39PM -0400, Frank Li wrote: > On Thu, Aug 21, 2025 at 03:09:44AM +0300, Laurent Pinchart wrote: > > The CSI-2 receivers in the i.MX8MP have 3 output channels. Specify this > > in the device tree, to enable support for more than one channel in > > drivers. > > dt descript hardware, not driver Yes, but the whole point is to make use of the information in drivers :-) I'll just drop the "in drivers" part. > Specify this to reflect actual hardware feature. > > Reviewed-by: Frank Li > > > Signed-off-by: Laurent Pinchart > > --- > > arch/arm64/boot/dts/freescale/imx8mp.dtsi | 2 ++ > > 1 file changed, 2 insertions(+) > > > > diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi > > index bb24dba7338e..1e52840078df 100644 > > --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi > > +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi > > @@ -1764,6 +1764,7 @@ mipi_csi_0: csi@32e40000 { > > assigned-clock-parents = <&clk IMX8MP_SYS_PLL2_250M>, > > <&clk IMX8MP_CLK_24M>; > > power-domains = <&media_blk_ctrl IMX8MP_MEDIABLK_PD_MIPI_CSI2_1>; > > + fsl,num-channels = <3>; > > status = "disabled"; > > > > ports { > > @@ -1799,6 +1800,7 @@ mipi_csi_1: csi@32e50000 { > > assigned-clock-parents = <&clk IMX8MP_SYS_PLL2_250M>, > > <&clk IMX8MP_CLK_24M>; > > power-domains = <&media_blk_ctrl IMX8MP_MEDIABLK_PD_MIPI_CSI2_2>; > > + fsl,num-channels = <3>; > > status = "disabled"; > > > > ports { -- Regards, Laurent Pinchart