From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id BCDD4CA0FE4 for ; Fri, 22 Aug 2025 00:27:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=F//dNsf765+zWMqPOL3BTjSfYbLZtm5MUs2oW6VjGnM=; b=HUwn2UbotcoFoXpZKkws1t4RVm 9T8D/7rd2ApauEZeX7K/Wl/Gtom6nHSsHaokd7iurS/3XZ0KrIJnqhp/U1uuY7GYzZxrLpSUdvofz VJMSmZqrz00/nOCtGfMl4BodEt902CLUmnsIfr/AEMF1oanLuhZyYckYfOLb0iiiiTjS3aJSeBcZS azpP67ZJbGTprviERB4Di9h14TPtpyZUpddMOLJQW3QNtdpGaT62009G502hPElXxTY1u+/9HzI1D Vw57uV+YHOCNIgbhe3vcDE6GVLxTQVNQALGj0baywRUX24/a+iuv5328tLEG158Ds8XxlbSXWU4/6 SHxWpv3A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1upFcV-000000011XQ-40Sc; Fri, 22 Aug 2025 00:27:03 +0000 Received: from perceval.ideasonboard.com ([213.167.242.64]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1up8N2-0000000HZHD-2vJz for linux-arm-kernel@lists.infradead.org; Thu, 21 Aug 2025 16:42:37 +0000 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> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250821_094236_872993_E19D7CE6 X-CRM114-Status: GOOD ( 15.44 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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