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: 5150571 Return-Path: X-Original-To: patchwork-linux-arm-msm@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 B4133C11AC for ; Fri, 24 Oct 2014 23:41:11 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id D444720268 for ; Fri, 24 Oct 2014 23:41:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F3DCD2026F for ; Fri, 24 Oct 2014 23:41:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932850AbaJXXlE (ORCPT ); Fri, 24 Oct 2014 19:41:04 -0400 Received: from mail-pd0-f175.google.com ([209.85.192.175]:54274 "EHLO mail-pd0-f175.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932977AbaJXXk7 (ORCPT ); Fri, 24 Oct 2014 19:40:59 -0400 Received: by mail-pd0-f175.google.com with SMTP id y13so2277937pdi.20 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=V0zG2lUZxRi2hTArwzhUSAiPKJrRmnpIYILx57ANqOlNbMkDBtpARjq698DTGmrDud UW87SDMuupjKudo7M2SaTJy1M86/fCyLrEPcSDerMVPhYyJ0+AUgyeyqYmAgLCVB7Guu nJosVgpp+Mpy3NmjfnofX4nFsRUXRI38LY6WowIOLk8Bb2id1uB/cPOaAjM6Q5Ec6S2N dfPGnWrH06XY+HRSw+w4+z092kVfndvwH2X5t6zGlqZwG5hYrSYAUYLlDat3W9gmBBys rmVbl9rz33uB0NNvqTOy+yPDvWLvFagXRE77s6SafP7by5NkXpY56sxPqG/YAleicrOr bv6g== X-Gm-Message-State: ALoCoQmpAuxfQ9RIqhsk3CKdaf4rJKNXdsk+uN+ANw+vEFbz4cvSu5mgyeh11xXhTdUBLzvTYXgJ 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 Cc: lorenzo.pieralisi@arm.com, msivasub@codeaurora.org, devicetree@vger.kernel.org, Lina Iyer 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> Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org X-Spam-Status: No, score=-8.3 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham 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 {