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=-5.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham 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 C6897C10DCE for ; Tue, 10 Mar 2020 06:04:45 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 9B177222D9 for ; Tue, 10 Mar 2020 06:04:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="dvplO/tF"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="KN6ETD5w" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9B177222D9 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject: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=e/cLP+hY0f1ZD4Fvr+kAqXM5lR3tdyIFgIKy8i8BmDU=; b=dvplO/tFqPOOfd t7sNfjZ3aIzaINVkpV0EtGOwhmN/QCMO3zre3Mq2EYoG0DPdu7rzcBosRlx88Y3WUZTP/D00WDrAL ZL6tkbKl7DoZQrFRgcWw16rpBPhXxFFNWkFxH3P7SURSOEnVf+mJQSCC2tEJfcepZPM1jRigwN7Eu ub93OxvzHRCF0Uv5CUoigZje2xrvPJOQIwlCmEHV/yWSbzrai0jnO/FggO84cvemq57l+JthD0bWe MkYVE4laXBcKYfa748nh6rg6Cei3C/xgYFRVYGR1SKveLwwSR2Y6IaTY8/gIJdrDTGg4qBHasOA7/ wm6P6xvzyxeJOUO2zZ4A==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jBY0S-0006zQ-Lb; Tue, 10 Mar 2020 06:04:44 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jBY0P-0006z5-LK for linux-arm-kernel@lists.infradead.org; Tue, 10 Mar 2020 06:04:42 +0000 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 6EF36222D9; Tue, 10 Mar 2020 06:04:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1583820281; bh=r2MPC5UtaW4E+Gx3vUdEl/eb7ySDkUz4DXRirRU3m1M=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=KN6ETD5wysJVebQR9jSbcf0KVdTLhMNlw0l7uwvCqnSSOmqmHlDvEn8rGnRTiAksi 0d/oDwkmigihBqVp+7r0aG6DTpvKk2ulzoZV6A3EGs00RcaVL6p16PeD/cDD8yLvZL hD8qQkhkKrvBVCkr8ObTi3u33FI5mDFLZsCla3Bk= Date: Tue, 10 Mar 2020 14:04:35 +0800 From: Shawn Guo To: peng.fan@nxp.com Subject: Re: [PATCH v2 05/14] clk: imx: pfdv2: determine best parent rate Message-ID: <20200310060434.GH15729@dragon> References: <1582099197-20327-1-git-send-email-peng.fan@nxp.com> <1582099197-20327-6-git-send-email-peng.fan@nxp.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1582099197-20327-6-git-send-email-peng.fan@nxp.com> User-Agent: Mutt/1.9.4 (2018-02-28) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200309_230441_722572_2DE8DFFB X-CRM114-Status: GOOD ( 10.54 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: abel.vesa@nxp.com, Anson.Huang@nxp.com, sboyd@kernel.org, viresh.kumar@linaro.org, s.hauer@pengutronix.de, rjw@rjwysocki.net, linux-kernel@vger.kernel.org, robh+dt@kernel.org, linux-imx@nxp.com, kernel@pengutronix.de, festevam@gmail.com, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Feb 19, 2020 at 03:59:48PM +0800, peng.fan@nxp.com wrote: > From: Peng Fan > > pfdv2 is only used in i.MX7ULP. To get best pfd output, the i.MX7ULP > Datasheet defines two best PLL rate and pfd frac. > > Per Datasheel > All PLLs on i.MX 7ULP either have VCO base frequency of > 480 MHz or 528 MHz. So when determine best rate, we also > determine best parent rate which could match the requirement. > > For some reason the current parent might not be 480MHz or 528MHz, > so we still take current parent rate as a choice. > > And we also enable flag CLK_SET_RATE_PARENT to let parent rate > to be configured. > > Signed-off-by: Peng Fan Applied, thanks. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel