From patchwork Tue Oct 7 21:41:46 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lina Iyer X-Patchwork-Id: 5049691 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 AE409C11AB for ; Tue, 7 Oct 2014 21:46:54 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id DA21D200DC for ; Tue, 7 Oct 2014 21:46:53 +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 08896201F7 for ; Tue, 7 Oct 2014 21:46:53 +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 1XbcXS-00037i-88; Tue, 07 Oct 2014 21:43:22 +0000 Received: from mail-pa0-f53.google.com ([209.85.220.53]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1XbcWe-0002IN-NL for linux-arm-kernel@lists.infradead.org; Tue, 07 Oct 2014 21:42:33 +0000 Received: by mail-pa0-f53.google.com with SMTP id kq14so7812566pab.40 for ; Tue, 07 Oct 2014 14:42:11 -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=opGDbi//BbtgdWUHB24txO7sgBOMjKzu14HpMsAhOV8=; b=V62fu6YXP57KicKMo6otCYb/pc5GeF1GwO/KIWvcX6Bli0dRiKOz20HaseF6b46lIm W/vHwY9my9d3hkUvLBGVAEg2KwVPSYdHgtQXzzvmelaY2TvpBaYk3erki53F5EVdo0rl PY4e47ilk3rbyrEzHmwGLA5SYRfFwZ4jCriFpnG8UWCSDWBiV/y0msru4Xrlo4NFDOQD 2dwTF9A5VlevfOHXmmReeoWGr5K9L5iz6w61X51erLOEq+a49p/5yzGKqdeifWoQLi88 yOJALEcuUtg8e/zq186ixiLPiBNsAx9N1bwyHZQmn98IK1H5eFiW939KCdQBm1aSej+B huwA== X-Gm-Message-State: ALoCoQlOR+Nd4yfNlbEKXLd9zazrbJ3g+9YHl3ghK1LpIJ1KrZhoEuSjbkE6f3fGP8EfLc2/S4QF X-Received: by 10.68.212.41 with SMTP id nh9mr6184122pbc.127.1412718131907; Tue, 07 Oct 2014 14:42:11 -0700 (PDT) Received: from ubuntu.localdomain (proxy6-global253.qualcomm.com. [199.106.103.253]) by mx.google.com with ESMTPSA id td4sm17131222pab.19.2014.10.07.14.42.10 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 07 Oct 2014 14:42:11 -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 v8 7/7] arm: dts: qcom: Add idle states device nodes for 8084 Date: Tue, 7 Oct 2014 15:41:46 -0600 Message-Id: <1412718106-17049-8-git-send-email-lina.iyer@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1412718106-17049-1-git-send-email-lina.iyer@linaro.org> References: <1412718106-17049-1-git-send-email-lina.iyer@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20141007_144232_806402_3730F762 X-CRM114-Status: UNSURE ( 8.72 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.7 (/) 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=-1.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE, T_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-apq8084.dtsi | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/arch/arm/boot/dts/qcom-apq8084.dtsi b/arch/arm/boot/dts/qcom-apq8084.dtsi index 1581b12..68eb4bb1 100644 --- a/arch/arm/boot/dts/qcom-apq8084.dtsi +++ b/arch/arm/boot/dts/qcom-apq8084.dtsi @@ -19,6 +19,7 @@ next-level-cache = <&L2>; qcom,acc = <&acc0>; qcom,saw = <&saw0>; + cpu-idle-states = <&CPU_STBY &CPU_SPC>; }; cpu@1 { @@ -29,6 +30,7 @@ next-level-cache = <&L2>; qcom,acc = <&acc1>; qcom,saw = <&saw1>; + cpu-idle-states = <&CPU_STBY &CPU_SPC>; }; cpu@2 { @@ -39,6 +41,7 @@ next-level-cache = <&L2>; qcom,acc = <&acc2>; qcom,saw = <&saw2>; + cpu-idle-states = <&CPU_STBY &CPU_SPC>; }; cpu@3 { @@ -49,6 +52,7 @@ next-level-cache = <&L2>; qcom,acc = <&acc3>; qcom,saw = <&saw3>; + cpu-idle-states = <&CPU_STBY &CPU_SPC>; }; L2: l2-cache { @@ -56,6 +60,22 @@ 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 {