From patchwork Fri Oct 24 23:40:22 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lina Iyer X-Patchwork-Id: 5150711 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 0EE52C11AC for ; Fri, 24 Oct 2014 23:44:54 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 4CF5D2025B for ; Fri, 24 Oct 2014 23:44:53 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6ACAB20256 for ; Fri, 24 Oct 2014 23:44:52 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1XhoVK-0006q5-0T; Fri, 24 Oct 2014 23:42:46 +0000 Received: from mail-pd0-f174.google.com ([209.85.192.174]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1XhoTw-00065B-F7 for linux-arm-kernel@lists.infradead.org; Fri, 24 Oct 2014 23:41:21 +0000 Received: by mail-pd0-f174.google.com with SMTP id p10so2268661pdj.19 for ; Fri, 24 Oct 2014 16:40:59 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=Rzuoe/ii4lyCWRktVWtQbTOwi/tzLLG3LJdYxr0Lk84=; b=AUuCEf59zxZ5MzAgtA/ThlfjosLGvZ+r83l8Nln7hplzLazmirn2fWejAshGBuG035 1gXbHgsFZWVABbL26pf0qp+wj/teJupUYfQ5i1KnM850r7Ve1Vlp8EGKSGqjtpjz7C3z PoVH6jrwAZGUAAvC4aLUlFpxeG8g3npK2uTVgi/b/qS/nd2kOSXjskpi0x2ub2M32Pcg q2W/nM6FOkVU6aQc5Z0HfVJVbz4ACtr4qsj+x0S9xRlRktNt09S2He4dee/Lk6JiiSLP ZMavv5lT3/VwXAqHjDZhsvKzkY4bSs/1x2I4rZbwnzSIeWs1RxzTL47rCsByPIIwOKa+ yNwg== X-Gm-Message-State: ALoCoQlx1jtgr5iaI21lwrML35MFvEYDoDDdw2XJy3owqEH2mY3jpjQJihYKIDotAyaMRGvWtwlD X-Received: by 10.68.183.34 with SMTP id ej2mr7587531pbc.75.1414194059476; Fri, 24 Oct 2014 16:40:59 -0700 (PDT) Received: from ubuntu.localdomain (proxy6-global253.qualcomm.com. [199.106.103.253]) by mx.google.com with ESMTPSA id fm15sm4774620pdb.58.2014.10.24.16.40.57 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 24 Oct 2014 16:40:58 -0700 (PDT) From: Lina Iyer To: daniel.lezcano@linaro.org, khilman@linaro.org, sboyd@codeaurora.org, galak@codeaurora.org, linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v9 7/9] arm: dts: qcom: Add idle states device nodes for 8974 Date: Fri, 24 Oct 2014 17:40:22 -0600 Message-Id: <1414194024-55547-8-git-send-email-lina.iyer@linaro.org> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1414194024-55547-1-git-send-email-lina.iyer@linaro.org> References: <1414194024-55547-1-git-send-email-lina.iyer@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20141024_164120_529797_31A84DDC X-CRM114-Status: UNSURE ( 8.51 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -1.4 (-) Cc: msivasub@codeaurora.org, devicetree@vger.kernel.org, lorenzo.pieralisi@arm.com, Lina Iyer X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-3.3 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add allowable C-States for each cpu using the cpu-idle-states node. Support Standby and Standalone power collapse (power down that does not affect any SoC idle states) for each cpu. Signed-off-by: Lina Iyer --- arch/arm/boot/dts/qcom-msm8974.dtsi | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/arch/arm/boot/dts/qcom-msm8974.dtsi b/arch/arm/boot/dts/qcom-msm8974.dtsi index 80a4467..e68b40f 100644 --- a/arch/arm/boot/dts/qcom-msm8974.dtsi +++ b/arch/arm/boot/dts/qcom-msm8974.dtsi @@ -22,6 +22,7 @@ next-level-cache = <&L2>; qcom,acc = <&acc0>; qcom,saw = <&saw0>; + cpu-idle-states = <&CPU_STBY &CPU_SPC>; }; cpu@1 { @@ -32,6 +33,7 @@ next-level-cache = <&L2>; qcom,acc = <&acc1>; qcom,saw = <&saw1>; + cpu-idle-states = <&CPU_STBY &CPU_SPC>; }; cpu@2 { @@ -42,6 +44,7 @@ next-level-cache = <&L2>; qcom,acc = <&acc2>; qcom,saw = <&saw2>; + cpu-idle-states = <&CPU_STBY &CPU_SPC>; }; cpu@3 { @@ -52,6 +55,7 @@ next-level-cache = <&L2>; qcom,acc = <&acc3>; qcom,saw = <&saw3>; + cpu-idle-states = <&CPU_STBY &CPU_SPC>; }; L2: l2-cache { @@ -59,6 +63,22 @@ cache-level = <2>; qcom,saw = <&saw_l2>; }; + + idle-states { + CPU_STBY: standby { + compatible = "qcom,idle-state-stby", "arm,idle-state"; + entry-latency-us = <1>; + exit-latency-us = <1>; + min-residency-us = <2>; + }; + + CPU_SPC: spc { + compatible = "qcom,idle-state-spc", "arm,idle-state"; + entry-latency-us = <150>; + exit-latency-us = <200>; + min-residency-us = <2000>; + }; + }; }; cpu-pmu {