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=-5.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable 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 5F2CAC18E5C for ; Tue, 10 Mar 2020 16:26:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3349020848 for ; Tue, 10 Mar 2020 16:26:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Lgzsxr6o" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726682AbgCJQ0d (ORCPT ); Tue, 10 Mar 2020 12:26:33 -0400 Received: from mail-lf1-f65.google.com ([209.85.167.65]:43610 "EHLO mail-lf1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726641AbgCJQ0c (ORCPT ); Tue, 10 Mar 2020 12:26:32 -0400 Received: by mail-lf1-f65.google.com with SMTP id q9so4757287lfc.10; Tue, 10 Mar 2020 09:26:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=3kZ96VsUJ4A3yK6VGR9AXLTuIfooSdtJ0HnhKEGe9Fw=; b=Lgzsxr6oMFzOsPxY9dqSyyz+TWPWYZAYaIZybxHwPbTDTnpTfhcf8T7cmTQLxxeocf JFBzSHHXm9Id0YNDU2fxUGwLkp9N/UdZqQjoe9REJMwJvhVqE1a1wz3Yu2Kc45aDoebD p3MZ6O+MRPBq21lDU2CDWhIHursel7f6T21qSG9f+QLlQuVzLaZ200WMZjHJNXFknaHF V5IpTSiTfmThvMfZqAwsF97GR/Kgxoc03rpn5/BdIijvGI2RosWcR+V391wkXb3d51lW kNtc1sFbVEyZlKhAuMIG68F4XkLMlHf1sOzz+Al9dmAeCr7HI+efqXyIdHlcWa4Hx5tQ 2/BQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=3kZ96VsUJ4A3yK6VGR9AXLTuIfooSdtJ0HnhKEGe9Fw=; b=rze8gPoAEpSDV8xhq/2NLKRLEImbUkPtpiTbKKlcnglGA2Sz3jMyxYsNf/QeHiKViH U7RYQtRTu42E6FeQ/FVkNaXzkyCmb+bHZ4lpLuWLUFxJpXh9TwITPbkWUAxifIbeGqCi 4x36lBogWyErRlnKpPYqr1ifdzyPM4XcD+Q8DRaAeRLUtU2j5stnElBIAk/xzIsSZIUh jmnSd3heO1qEqXoWzTxGT1Mf3mO43Hi48o0A5vj0vdRo7lLQubWeiBGh1ncm6v8IzESA vQi0RNIhPXZuUzPYVkotzWNRfj/i5ONK4RykY2J4hzRDhY0IQAABeLRG/pkZOMFfkHe8 hpEQ== X-Gm-Message-State: ANhLgQ2vPd0gtCLLwSe31QMfHFkJwqtKCPVGUznsxF58UWnZD6X8x3tF eBVhV/vGAsUKtgk8eCp82Ow= X-Google-Smtp-Source: ADFU+vv2oMyShABl/4K04lOItrbsFoT02OEztRR3TdqYw5HWhLqIU0OqmWKQc+hKqbxT2Y49HNphaA== X-Received: by 2002:ac2:51bc:: with SMTP id f28mr12918101lfk.112.1583857589703; Tue, 10 Mar 2020 09:26:29 -0700 (PDT) Received: from [192.168.2.145] (94-29-39-224.dynamic.spd-mgts.ru. [94.29.39.224]) by smtp.googlemail.com with ESMTPSA id w24sm22958192ljh.26.2020.03.10.09.26.28 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 10 Mar 2020 09:26:29 -0700 (PDT) Subject: Re: [PATCH v5 3/8] clk: tegra: Implement Tegra210 EMC clock To: Thierry Reding Cc: Jon Hunter , Rob Herring , Mark Rutland , Michael Turquette , Stephen Boyd , Joseph Lo , devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org References: <20200310152003.2945170-1-thierry.reding@gmail.com> <20200310152003.2945170-4-thierry.reding@gmail.com> From: Dmitry Osipenko Message-ID: <88d18719-b6dd-98d0-e147-f89eed2f3f0c@gmail.com> Date: Tue, 10 Mar 2020 19:26:28 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: <20200310152003.2945170-4-thierry.reding@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org 10.03.2020 18:19, Thierry Reding пишет: > From: Joseph Lo > > The EMC clock needs to carefully coordinate with the EMC controller > programming to make sure external memory can be properly clocked. Do so > by hooking up the EMC clock with an EMC provider that will specify which > rates are supported by the EMC and provide a callback to use for setting > the clock rate at the EMC. > > Based on work by Peter De Schrijver . > > Signed-off-by: Joseph Lo > Signed-off-by: Thierry Reding > --- > Changes in v5: > - major rework and cleanup ... > +u32 emc_readl(struct tegra_emc *emc, unsigned long offset) > +{ > + return readl_relaxed(emc->emc_base[REG_EMC] + offset); > +} static u32 emc_readl() > +u32 emc_readl_per_ch(struct tegra_emc *emc, int type, > + unsigned long offset) static u32 emc_readl_per_ch()