From patchwork Thu May 29 14:38:39 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Abraham X-Patchwork-Id: 31133 Return-Path: X-Original-To: linaro@patches.linaro.org Delivered-To: linaro@patches.linaro.org Received: from mail-ie0-f197.google.com (mail-ie0-f197.google.com [209.85.223.197]) by ip-10-151-82-157.ec2.internal (Postfix) with ESMTPS id C8AF6203E6 for ; Thu, 29 May 2014 14:39:12 +0000 (UTC) Received: by mail-ie0-f197.google.com with SMTP id rd18sf1975904iec.8 for ; Thu, 29 May 2014 07:39:12 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:delivered-to:from:to:cc:subject :date:message-id:in-reply-to:references:sender:precedence:list-id :x-original-sender:x-original-authentication-results:mailing-list :list-post:list-help:list-archive:list-unsubscribe; bh=dnAcVU4uQba+gsipb4dBUuHaAdbHNJJ0c8fYfcMSMPE=; b=eyjYd/gyDSYbCqdQUr9LnsasX/pAKB7WshzWqqfEW1zhYQPfxhXVhaMdUNeNI87KqG +lc/aakcV1PaVQB1DbzcVuz54TobKMmLLMkpWCC2p0iL6OE1fEMcKvCgN2AIyKEeVNK5 m0GC/0EVlnPDTuJvFNVVa2rGVIpBWhFaeIlhz4qgsnQpqpHMd9InnMZxx9f+DuT/8yIK cLLAq7dMeK4xRoSrsJKz6BYaU9SUkhzUqO1y1Tfo3wPTwcXx2rdj6BWfqsNzig0jPuSE cB5vjFhdlsMd9cxxE/Q4VP2sr6/PEwuTfoVAzz0xf5hzYRPaibOSiL8QQ5t/4m3b/8h0 zWtg== X-Gm-Message-State: ALoCoQlOxkDafWHlCr1Ld+hbChLeBPLg4W0mZRJ/dsHULFez5TMUhV4AlJ3oFIf6R3100XL7syQB X-Received: by 10.42.86.145 with SMTP id u17mr2857280icl.11.1401374352338; Thu, 29 May 2014 07:39:12 -0700 (PDT) MIME-Version: 1.0 X-BeenThere: patchwork-forward@linaro.org Received: by 10.140.84.239 with SMTP id l102ls571683qgd.81.gmail; Thu, 29 May 2014 07:39:12 -0700 (PDT) X-Received: by 10.58.84.65 with SMTP id w1mr7049620vey.8.1401374352079; Thu, 29 May 2014 07:39:12 -0700 (PDT) Received: from mail-vc0-x231.google.com (mail-vc0-x231.google.com [2607:f8b0:400c:c03::231]) by mx.google.com with ESMTPS id u8si618683vcn.26.2014.05.29.07.39.12 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 29 May 2014 07:39:12 -0700 (PDT) Received-SPF: pass (google.com: domain of patch+caf_=patchwork-forward=linaro.org@linaro.org designates 2607:f8b0:400c:c03::231 as permitted sender) client-ip=2607:f8b0:400c:c03::231; Received: by mail-vc0-f177.google.com with SMTP id il7so266745vcb.8 for ; Thu, 29 May 2014 07:39:12 -0700 (PDT) X-Received: by 10.58.186.207 with SMTP id fm15mr7217968vec.4.1401374351991; Thu, 29 May 2014 07:39:11 -0700 (PDT) X-Forwarded-To: patchwork-forward@linaro.org X-Forwarded-For: patch@linaro.org patchwork-forward@linaro.org Delivered-To: patch@linaro.org Received: by 10.220.221.72 with SMTP id ib8csp33937vcb; Thu, 29 May 2014 07:39:11 -0700 (PDT) X-Received: by 10.66.136.131 with SMTP id qa3mr9111617pab.77.1401374350990; Thu, 29 May 2014 07:39:10 -0700 (PDT) Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id qd8si1212673pac.101.2014.05.29.07.39.10; Thu, 29 May 2014 07:39:10 -0700 (PDT) Received-SPF: none (google.com: linux-samsung-soc-owner@vger.kernel.org does not designate permitted sender hosts) client-ip=209.132.180.67; Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933196AbaE2OjJ (ORCPT + 9 others); Thu, 29 May 2014 10:39:09 -0400 Received: from mail-pa0-f52.google.com ([209.85.220.52]:57821 "EHLO mail-pa0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932605AbaE2OjI (ORCPT ); Thu, 29 May 2014 10:39:08 -0400 Received: by mail-pa0-f52.google.com with SMTP id bj1so146744pad.39 for ; Thu, 29 May 2014 07:39:07 -0700 (PDT) X-Received: by 10.66.226.145 with SMTP id rs17mr9302023pac.144.1401374347561; Thu, 29 May 2014 07:39:07 -0700 (PDT) Received: from user-ubuntu.sisodomain.com ([14.140.216.146]) by mx.google.com with ESMTPSA id nh8sm1602473pbc.25.2014.05.29.07.39.02 for (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 29 May 2014 07:39:06 -0700 (PDT) From: Thomas Abraham To: linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: rjw@rjwysocki.net, linux-samsung-soc@vger.kernel.org, kgene.kim@samsung.com, t.figa@samsung.com, l.majewski@samsung.com, viresh.kumar@linaro.org, thomas.ab@samsung.com, Nishanth Menon , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala Subject: [PATCH v5 2/2] Documentation: devicetree: Add boost-frequency binding to list boost mode frequency Date: Thu, 29 May 2014 20:08:39 +0530 Message-Id: <1401374319-4480-3-git-send-email-thomas.ab@samsung.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1401374319-4480-1-git-send-email-thomas.ab@samsung.com> References: <1401374319-4480-1-git-send-email-thomas.ab@samsung.com> Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: list List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org X-Original-Sender: thomas.ab@samsung.com X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of patch+caf_=patchwork-forward=linaro.org@linaro.org designates 2607:f8b0:400c:c03::231 as permitted sender) smtp.mail=patch+caf_=patchwork-forward=linaro.org@linaro.org; dkim=neutral (body hash did not verify) header.i=@ Mailing-list: list patchwork-forward@linaro.org; contact patchwork-forward+owners@linaro.org X-Google-Group-Id: 836684582541 List-Post: , List-Help: , List-Archive: List-Unsubscribe: , From: Thomas Abraham Add a new optional boost-frequency binding for specifying the frequencies usable in boost mode. Cc: Nishanth Menon Cc: Lukasz Majewski Cc: Rob Herring Cc: Pawel Moll Cc: Mark Rutland Cc: Ian Campbell Cc: Kumar Gala Signed-off-by: Thomas Abraham Acked-by: Viresh Kumar Acked-by: Lukasz Majewski --- .../devicetree/bindings/cpufreq/cpufreq-boost.txt | 38 ++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 Documentation/devicetree/bindings/cpufreq/cpufreq-boost.txt diff --git a/Documentation/devicetree/bindings/cpufreq/cpufreq-boost.txt b/Documentation/devicetree/bindings/cpufreq/cpufreq-boost.txt new file mode 100644 index 0000000..63ed0fc --- /dev/null +++ b/Documentation/devicetree/bindings/cpufreq/cpufreq-boost.txt @@ -0,0 +1,38 @@ +* Device tree binding for CPU boost frequency (aka over-clocking) + +Certain CPU's can be operated in optional 'boost' mode (or sometimes referred as +overclocking) in which the CPU can operate at frequencies which are not +specified by the manufacturer as CPU's operating frequency. + +Optional Properties: +- boost-frequencies: list of frequencies in KHz to be used only in boost mode. + This list should be a subset of frequencies listed in "operating-points" + property. Refer to Documentation/devicetree/bindings/power/opp.txt for + details about "operating-points" property. + +Example: + + cpus { + #address-cells = <1>; + #size-cells = <0>; + cpu@0 { + device_type = "cpu"; + compatible = "arm,cortex-a9"; + reg = <0>; + + operating-points = < + 1500000 1350000 + 1400000 1287500 + 1300000 1250000 + 1200000 1187500 + 1100000 1137500 + 1000000 1087500 + >; + boost-frequencies = <1500000 1400000>; + }; + cpu@1 { + device_type = "cpu"; + compatible = "arm,cortex-a9"; + reg = <1>; + }; + };