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 X-Spam-Level: X-Spam-Status: No, score=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1CB5BC35669 for ; Mon, 24 Feb 2020 03:39:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DED3220836 for ; Mon, 24 Feb 2020 03:39:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1582515563; bh=JkrEc2MaNepQNF9f/dnwBAADKS3nNGfp1NS3WsPz978=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=IcFkWrZn4AY7i5A0cRGz7ADJ9k7vwn/X00lBT6jG28qjE/0RBm+5WT2EUt0wcKynY XmnagI33QqnfMpKB/hhQyqiPy+gL5CQ8/bG4fBbbrouu+eUfh5QKGx+OUh1xWkJFFF hE7dWqaGllz7VHAWRPBpdRGzYetS9qx7RwY/navk= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727189AbgBXDjX (ORCPT ); Sun, 23 Feb 2020 22:39:23 -0500 Received: from mail.kernel.org ([198.145.29.99]:48406 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727166AbgBXDjX (ORCPT ); Sun, 23 Feb 2020 22:39:23 -0500 Received: from dragon (80.251.214.228.16clouds.com [80.251.214.228]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 8711620658; Mon, 24 Feb 2020 03:39:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1582515562; bh=JkrEc2MaNepQNF9f/dnwBAADKS3nNGfp1NS3WsPz978=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=hRRB/vVqLw+c4mdGgtuPTPGB088ciHEohbGC1mZe9LVWhf5auaqrw0Yw9DLW+eVNY azTqZg+KuarjySjwk3i8iVbDsApgXZNFWanZ2ISkdUfTdCEOSOPsT1cR1zd6O6FuLK hh9ISC3IqCMHsrWn+E+2dmI+qjOMk2TCgXgLMkog= Date: Mon, 24 Feb 2020 11:39:11 +0800 From: Shawn Guo To: peng.fan@nxp.com Cc: sboyd@kernel.org, s.hauer@pengutronix.de, festevam@gmail.com, abel.vesa@nxp.com, leonard.crestez@nxp.com, kernel@pengutronix.de, linux-imx@nxp.com, aisheng.dong@nxp.com, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, anson.huang@nxp.com, ping.bai@nxp.com, l.stach@pengutronix.de Subject: Re: [PATCH RESEND v3 0/4] clk: imx: imx8m: fix a53 cpu clock Message-ID: <20200224033911.GH27688@dragon> References: <1582107429-21123-1-git-send-email-peng.fan@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1582107429-21123-1-git-send-email-peng.fan@nxp.com> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org On Wed, Feb 19, 2020 at 06:17:05PM +0800, peng.fan@nxp.com wrote: > From: Peng Fan > > V3: > Rebased to Shawn's for-next branch > Typo fix > > V2: > Fix i.MX8MP build > Update cover letter, i.MX7D not have this issue > > The A53 CCM clk root only accepts input up to 1GHz, CCM A53 root > signoff timing is 1Ghz, however the A53 core which sources from CCM > root could run above 1GHz which voilates the CCM. > > There is a CORE_SEL slice before A53 core, we need configure the > CORE_SEL slice source from ARM PLL, not A53 CCM clk root. > > The A53 CCM clk root should only be used when need to change ARM PLL > frequency. > > Peng Fan (4): > clk: imx: imx8mq: fix a53 cpu clock > clk: imx: imx8mm: fix a53 cpu clock > clk: imx: imx8mn: fix a53 cpu clock > clk: imx: imx8mp: fix a53 cpu clock Applied all, thanks.