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 80BADC67861 for ; Fri, 5 Apr 2024 20:43:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=kRoPbwtMiHOx2/AvZKKqTASHViczF01NIGbc30+Q/9Y=; b=Q98my0tbqGGaTM 0v2jhux6HmcQq2sQg1jlZb81mvg93wMJREO4SFzmf7+EG/UPUtZLCiFReoAH69VpNLKGyCdvSQET6 zKue/knvEYWRlmcdTdQF0yQolWj3OjtlnyDR5g+ufJLRPXyd/x6/g9Mzo55/7S//DOT+Fhs//2wUg fjkPypaQ7PgErD7WztLDkmtxOIyJne30H3ySdDGG99v8UJ/1rh1dCJlYwA8NBIAaOEUeIvyJCCcbX F+jT+W7bj7elza/S5ReQm5UyPeAK675LcRKGZBK8TdDL6wDaGPRT3qKvIzW7vgJEiAGnXi4kPJCYW MxrQrfWy+uLJIPZmR1tA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rsqOx-00000008na6-1Cyf; Fri, 05 Apr 2024 20:43:07 +0000 Received: from perceval.ideasonboard.com ([213.167.242.64]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rsqOu-00000008nZa-3Obz for linux-arm-kernel@lists.infradead.org; Fri, 05 Apr 2024 20:43:06 +0000 Received: from pendragon.ideasonboard.com (81-175-209-231.bb.dnainternet.fi [81.175.209.231]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id B2ECEACB; Fri, 5 Apr 2024 22:42:23 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1712349743; bh=kIeKCdSrGc8xYy96lsN4JtpNY4g0x9ttPiWqATX+mTM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=MXPtaPs7pQEeWjC5ZoADu4nTb4jS+XCb0Aw58F4QOHGGICf1S8S8AjVe0nFvh2D1+ lkT0P8Yvqv07WSKinBHuBleh+/cOnU9rfiErm6oEU59xSOegN6qmAjac7qt7nyTZH8 v7rsOHLRPZ5uC2csh4QmfVnnHexmuVIn0V8VJhl4= Date: Fri, 5 Apr 2024 23:42:51 +0300 From: Laurent Pinchart To: Marek Vasut Cc: linux-arm-kernel@lists.infradead.org, Conor Dooley , Fabio Estevam , Krzysztof Kozlowski , Paul Elder , Pengutronix Kernel Team , Rob Herring , Sascha Hauer , Shawn Guo , devicetree@vger.kernel.org, imx@lists.linux.dev, Adam Ford Subject: Re: [PATCH] arm64: dts: imx8mp: Align both CSI2 pixel clock Message-ID: <20240405204251.GE12507@pendragon.ideasonboard.com> References: <20240405202243.46278-1-marex@denx.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20240405202243.46278-1-marex@denx.de> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240405_134305_022512_566D41FB X-CRM114-Status: GOOD ( 17.47 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Marek, (CC'ing Adam) Thank you for the patch. On Fri, Apr 05, 2024 at 10:22:26PM +0200, Marek Vasut wrote: > Configure both CSI2 assigned-clock-rates the same way. > There does not seem to be any reason for keeping the > two CSI2 pixel clock set to different frequencies. There's an issue when using two cameras concurrently. This has been discussed some time ago on the linux-media mailing list, see [1]. Adam knows more than I do on this topic. [1] https://lore.kernel.org/linux-media/CAHCN7x+kymRGO2kxvN2=zLiqRjfTc3hdf3VdNVkWjsW3La0bnA@mail.gmail.com/ > Signed-off-by: Marek Vasut > --- > Cc: Conor Dooley > Cc: Fabio Estevam > Cc: Krzysztof Kozlowski > Cc: Laurent Pinchart > Cc: Paul Elder > Cc: Pengutronix Kernel Team > Cc: Rob Herring > Cc: Sascha Hauer > Cc: Shawn Guo > Cc: devicetree@vger.kernel.org > Cc: imx@lists.linux.dev > Cc: linux-arm-kernel@lists.infradead.org > --- > arch/arm64/boot/dts/freescale/imx8mp.dtsi | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi > index 1bb96e96639f2..2e9ce0c3a9815 100644 > --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi > +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi > @@ -1703,7 +1703,7 @@ mipi_csi_1: csi@32e50000 { > <&clk IMX8MP_CLK_MEDIA_MIPI_PHY1_REF>; > assigned-clock-parents = <&clk IMX8MP_SYS_PLL2_1000M>, > <&clk IMX8MP_CLK_24M>; > - assigned-clock-rates = <266000000>; > + assigned-clock-rates = <500000000>; > power-domains = <&media_blk_ctrl IMX8MP_MEDIABLK_PD_MIPI_CSI2_2>; > status = "disabled"; > -- Regards, Laurent Pinchart _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel