Received: by 2002:a5b:505:0:0:0:0:0 with SMTP id o5csp4149257ybp; Sun, 13 Oct 2019 23:23:09 -0700 (PDT) X-Google-Smtp-Source: APXvYqyAX4+TPIDUXIHmmq19YIQLmULoDWoUdxrrWa1WrAGrpMLHfC9le9W+T5y+6cPlhOvcK+UD X-Received: by 2002:a50:ed90:: with SMTP id h16mr26516675edr.185.1571034189616; Sun, 13 Oct 2019 23:23:09 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1571034189; cv=none; d=google.com; s=arc-20160816; b=ByYQF9l4MV3FhRObwMBgLSMam0e7oXNx+9t730xxrDrmu2m5W126IeULLBeT3oQIRl hayhLxoNj6PFVzIYdxtdRXV8nqZAlVOY5fnKpSXM2uNAfPaq3k9WcqauClU7aWNklhy4 E03QSjajnMBQJXT5OA4Xlt9fkbBxFJukJIT9syo4rYz3bHIMuDWJKvXKaXYoo6jn89Gl GLfblf2Hqv8nsYMvpEqhRF06gLKaGUuLbs7A8QGOUM16pLmzNsbbWPqANOaCLE2umSvx Hix/TdtC8QbKMYVecxx6CyfsC6MdPUv9vjIcXHMgMLn5FcZFF54WmqAxFUaPJmNOyizK I+Ag== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature; bh=3Khc45voUQHqpYDkdzfjKTurCd4NQBryLbnyqKq7LaA=; b=y+I/oesFkTmhpIF+sJf7qC15OQt1GzSWNQzYe52gjvxJal1X17hnRuAWRVNdBZGa/d KlCodfk5wVLyEKi3vZZguQefh5t0G9z87VGYl5IPh+4tTsLth4xFFPfLZcGyM9L5DgTG rEIsgPsHeo1rb9qzg9I2AkmZ0MtjoZn8b/rUps9d8glXvNtAQ7QKPthX42NHazs+bGnj oD8J8yb95Tx3DAbHJlfm0XXnqjksMVxXmKIFi3vixZb7lwPyTnZQXgEBBt7wLJAkd4M3 7yT1Wpd4+RJ35SvDAcH7J6hQTOHLTEqIiQdHUWUAkMdONXhvc9G5qRmEuErLQCfP8B8A G1Bg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=vqMBWKBv; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id c48si12640707edc.169.2019.10.13.23.22.46; Sun, 13 Oct 2019 23:23:09 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=vqMBWKBv; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730046AbfJNGTw (ORCPT + 99 others); Mon, 14 Oct 2019 02:19:52 -0400 Received: from mail.kernel.org ([198.145.29.99]:52650 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725936AbfJNGTw (ORCPT ); Mon, 14 Oct 2019 02:19:52 -0400 Received: from dragon (li937-157.members.linode.com [45.56.119.157]) (using TLSv1.2 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 2CB8020854; Mon, 14 Oct 2019 06:19:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1571033991; bh=G3j79Lr1xNDLJ1DZYooCMhYnk2SpMlhTRuB05XZTAZ4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=vqMBWKBv5wMMlKQRyLwibF7IThEe5J/kd4Ka2k3MCrCrk044Qr3UxvEykUO4KJh2A zX5Am2AhoaK48PbKepzLZCeuqdAGpuEO670ySVDUx2VCDwmoCa6rX9t3MVTBDX93Cj CtQOuEm7exBDrrhJijqGKHhK1LrU68E3M8jJNMsc= Date: Mon, 14 Oct 2019 14:19:31 +0800 From: Shawn Guo To: Wen He Cc: linux-devel@linux.nxdi.nxp.com, Li Yang , Rob Herring , Mark Rutland , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [v2 1/2] arm64: dts: ls1028a: Update the clock providers for the Mali DP500 Message-ID: <20191014061930.GB12262@dragon> References: <20190920083419.5092-1-wen.he_1@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190920083419.5092-1-wen.he_1@nxp.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Sep 20, 2019 at 04:34:18PM +0800, Wen He wrote: > In order to maximise performance of the LCD Controller's 64-bit AXI > bus, for any give speed bin of the device, the AXI master interface > clock(ACLK) clock can be up to CPU_frequency/2, which is already > capable of optimal performance. In general, ACLK is always expected > to be equal to CPU_frequency/2. APB slave interface clock(PCLK) and > Main processing clock(PCLK) both are tied to the same clock as ACLK. > > This change followed the LS1028A Architecture Specification Manual. > > Signed-off-by: Wen He Applied, thanks.