From patchwork Tue Apr 7 08:05:05 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Howard Chen X-Patchwork-Id: 6167651 Return-Path: X-Original-To: patchwork-linux-mediatek@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 54ED9BF4A6 for ; Tue, 7 Apr 2015 08:05:08 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 58E56201ED for ; Tue, 7 Apr 2015 08:05:07 +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 D0F482034A for ; Tue, 7 Apr 2015 08:05:01 +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 1YfOVJ-000687-Dp; Tue, 07 Apr 2015 08:05:01 +0000 Received: from mail-pa0-f46.google.com ([209.85.220.46]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1YfOVH-00062D-C3 for linux-mediatek@lists.infradead.org; Tue, 07 Apr 2015 08:04:59 +0000 Received: by pabsx10 with SMTP id sx10so70801301pab.3 for ; Tue, 07 Apr 2015 01:04:37 -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; bh=6rSE9+i+I1vmVTmXKDsplZb12ZjzCs48SEPbodg51Ng=; b=TgIcte7gZ7FDn1AVQdN9vV4jwAan66ySTpvC9UE8Wca8Rr9gDKREKu0NPsBHxXUJSq JuSewsjG4CLyIhlOtCHguJ3ptc2oXpn0nOipAE9Iy3U+22Wf6mEHgGjNAZ3xBAiI3wlx gMUJkRVty3gE/fgNxc1/sna3DUsB61XoRuctnme4GHGVsbfjttMuhfNO2SDOa3/lHP5H /ZQQP09B5CiJfRqf0jSR5o6lRjppLQ3erX3PYSnaYEW9de6OiXivnGlMMpbR7az94w2j zqpomLj0UQlms0QoEmp5oSGRib/6k5oFpx81tywyUdCLpg2jZpV99TVdCa0VawCu0clD wlhw== X-Gm-Message-State: ALoCoQkpxp0hBQYksHw/1iJzOextFnv2aI03dtq580PRXhdHIuquFejOGtE16muwrsNzOzYTwuwo X-Received: by 10.70.89.138 with SMTP id bo10mr34766101pdb.146.1428393876854; Tue, 07 Apr 2015 01:04:36 -0700 (PDT) Received: from localhost.localdomain ([111.235.214.169]) by mx.google.com with ESMTPSA id i6sm7068872pdp.53.2015.04.07.01.04.30 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 07 Apr 2015 01:04:35 -0700 (PDT) From: Howard Chen To: Matthias Brugger Subject: [PATCH v2] ARM: dts: mt8173: support arm64 cpuidle-dt Date: Tue, 7 Apr 2015 16:05:05 +0800 Message-Id: <1428393905-32166-1-git-send-email-howard.chen@linaro.org> X-Mailer: git-send-email 1.9.1 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150407_010459_440668_13BD1B13 X-CRM114-Status: UNSURE ( 6.73 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.7 (/) Cc: Mark Rutland , devicetree@vger.kernel.org, Howard Chen , srv_heupstream@mediatek.com, Pawel Moll , Ian Campbell , Catalin Marinas , Will Deacon , linux-kernel@vger.kernel.org, Rob Herring , linux-mediatek@lists.infradead.org, Sascha Hauer , Kumar Gala , Eddie Huang , linux-arm-kernel@lists.infradead.org X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, 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 This patch adds an idle-states node to describe the mt8173 idle states and also adds references to the idle-states node in all CPU nodes. Signed-off-by: Howard Chen --- arch/arm64/boot/dts/mediatek/mt8173.dtsi | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi index 8554ec3..0d31a34 100644 --- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi @@ -48,6 +48,8 @@ device_type = "cpu"; compatible = "arm,cortex-a53"; reg = <0x000>; + enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0>; }; cpu1: cpu@1 { @@ -55,6 +57,7 @@ compatible = "arm,cortex-a53"; reg = <0x001>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0>; }; cpu2: cpu@100 { @@ -62,6 +65,7 @@ compatible = "arm,cortex-a57"; reg = <0x100>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0>; }; cpu3: cpu@101 { @@ -69,6 +73,19 @@ compatible = "arm,cortex-a57"; reg = <0x101>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0>; + }; + + idle-states { + entry-method = "arm,psci"; + + CPU_SLEEP_0: cpu-sleep-0 { + compatible = "arm,idle-state"; + arm,psci-suspend-param = <0x0010000>; + entry-latency-us = <639>; + exit-latency-us = <328>; + min-residency-us = <1088>; + }; }; };