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 7424ACE7A8B for ; Sun, 24 Sep 2023 13:58:03 +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=ys4PtWb6/eBRq+eoxZWnQcla9BoYcsJzKOO8OFC17qc=; b=C2opcBcCs1RGCd kQ6FRIaW+l48/LePuoEwQOAFaRsjn9snpkWlnTOuKsZBxCf+wd6Q6wh2JFPnBYxPn6+8I+GF+NPxf CJPvJgTPtctp4P93iLKHR17RD1DDBwOHy2VJA7I0I7dMHJmfSXQfuYQd7JslF2na65xpJslmLArEW 11mS5DsCc2M+sbfFEmnUCniS0BXRodrtpnnXAXf1wLB1qHeK4waniPIwWlb5lVZ+NQiosuwBQYp3v tho7bvrq1q13NguyKv+yQSB/lv/Mr9LTUATFsZKueAZGWQkUrjaqpFbwK1A3Ki7FejvS7Hfo9qkMg 4FicE9WG4xRX+3cYXliw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qkPc7-00CL4d-0M; Sun, 24 Sep 2023 13:57:35 +0000 Received: from sin.source.kernel.org ([2604:1380:40e1:4800::1]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qkPc4-00CL40-0P for linux-arm-kernel@lists.infradead.org; Sun, 24 Sep 2023 13:57:33 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sin.source.kernel.org (Postfix) with ESMTP id 2740ACE0B25; Sun, 24 Sep 2023 13:57:30 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E65BEC433C8; Sun, 24 Sep 2023 13:57:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1695563849; bh=tB7kkagYAAKovDZa1W4Av2bMf3MSyMZ6VNzkF6Na6l0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=bu7DxLoxXxb5GQ6uUu7fI93gJdTMLGG4A7FFxqMQLezspwoud8ckTV18QLPsfybjZ EBnsZReKEoN+Bx3kBeT3MEUU5kI1/bAbH0L1VLN/j6uqGp811lYIuW2PwwFTMvsDGG NecpUwrBQ4FSn2/HGczwayQHMG50LvzF8lI+JnZ2eRNfc6ZKRwmRW6mBM1GMq1SjYC BnqIPVtBhRHAzaxApryqOwdripeca+u9+JEAJo3oE77F26la1P3AAY5FoMOA5mgaGS P+OpA95CBhzogp7UiIWkgIctkglSlD8Py2+EiMlaIwCi0pewzYtzkg33lHYSS024SZ +mWU6j63JLaDA== Date: Sun, 24 Sep 2023 21:57:16 +0800 From: Shawn Guo To: Marek Vasut Cc: linux-arm-kernel@lists.infradead.org, Conor Dooley , Fabio Estevam , Krzysztof Kozlowski , NXP Linux Team , Pengutronix Kernel Team , Rob Herring , Sascha Hauer , devicetree@vger.kernel.org Subject: Re: [PATCH] arm64: dts: imx8mp: Switch PCIe to HSIO PLL on i.MX8MP DHCOM PDK2 and generate clock from SoC Message-ID: <20230924135716.GK7231@dragon> References: <20230822005007.128571-1-marex@denx.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20230822005007.128571-1-marex@denx.de> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230924_065732_348763_13C8FA0B X-CRM114-Status: GOOD ( 14.01 ) 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 On Tue, Aug 22, 2023 at 02:50:07AM +0200, Marek Vasut wrote: > The PDK2 carrier board had to be manually patched to obtain working PCIe > with the i.MX8MP DHCOM SoM so far, because the PCIe clock generator has > not been connected to the PCIe block REF_PAD_CLK inputs. > > Switch to use of HSIO PLL as the clock source for the PCIe block instead, > and use the REF_PAD_CLK as outputs to generate PCIe clock from the SoC. > This way, it is not necessary to patch the PDK2 in any way to obtain a > working PCIe. > > Note that PDK3 has PCIe clock generator always connected to REF_PAD_CLK > and is not affected. > > Signed-off-by: Marek Vasut Applied, thanks! _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel