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[209.132.180.67]) by mx.google.com with ESMTP id wx7si4585075pab.235.2014.05.30.02.01.43; Fri, 30 May 2014 02:01:43 -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 S1755403AbaE3JBm (ORCPT + 8 others); Fri, 30 May 2014 05:01:42 -0400 Received: from mail-pa0-f53.google.com ([209.85.220.53]:45687 "EHLO mail-pa0-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752272AbaE3JBl (ORCPT ); Fri, 30 May 2014 05:01:41 -0400 Received: by mail-pa0-f53.google.com with SMTP id lj1so431171pab.26 for ; Fri, 30 May 2014 02:01:40 -0700 (PDT) X-Received: by 10.68.215.68 with SMTP id og4mr16597801pbc.112.1401440500853; Fri, 30 May 2014 02:01:40 -0700 (PDT) Received: from user-ubuntu.sisodomain.com ([14.140.216.146]) by mx.google.com with ESMTPSA id mt1sm5263225pbb.31.2014.05.30.02.01.35 for (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 30 May 2014 02:01:40 -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, nm@ti.com, Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala Subject: [PATCH v6 2/2] Documentation: devicetree: Add boost-frequency binding to list boost mode frequency Date: Fri, 30 May 2014 14:31:17 +0530 Message-Id: <1401440477-4328-3-git-send-email-thomas.ab@samsung.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1401440477-4328-1-git-send-email-thomas.ab@samsung.com> References: <1401440477-4328-1-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:c01::233 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: 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: Nishanth Menon 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>; + }; + };