Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750769AbbFDHOK (ORCPT ); Thu, 4 Jun 2015 03:14:10 -0400 Received: from mail-pd0-f169.google.com ([209.85.192.169]:33356 "EHLO mail-pd0-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751306AbbFDHOA (ORCPT ); Thu, 4 Jun 2015 03:14:00 -0400 From: Howard Chen To: Matthias Brugger Cc: Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Catalin Marinas , Will Deacon , Howard Chen , Eddie Huang , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, srv_heupstream@mediatek.com, Sascha Hauer , , Bobby Batacharia , Daniel Lezcano , Amit Kucheria Subject: [PATCH v4] ARM: dts: mt8173: support arm64 cpuidle-dt Date: Thu, 4 Jun 2015 15:13:37 +0800 Message-Id: <1433402017-7711-1-git-send-email-howard.chen@linaro.org> X-Mailer: git-send-email 1.9.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2012 Lines: 80 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. Changes: v4: - Refine the property ordering. v3: - Add the local-timer-stop property. v2: - Remove the change to the PSCI version. - Remove the cluster idle state. - Fine tune the latency properties of the idle state. Signed-off-by: Howard Chen Acked-by: Lorenzo Pieralisi --- arch/arm64/boot/dts/mediatek/mt8173.dtsi | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi index 27237a1..5587375 100644 --- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi @@ -49,6 +49,8 @@ device_type = "cpu"; compatible = "arm,cortex-a53"; reg = <0x000>; + enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0>; }; cpu1: cpu@1 { @@ -56,6 +58,7 @@ compatible = "arm,cortex-a53"; reg = <0x001>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0>; }; cpu2: cpu@100 { @@ -63,6 +66,7 @@ compatible = "arm,cortex-a57"; reg = <0x100>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0>; }; cpu3: cpu@101 { @@ -70,6 +74,20 @@ 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"; + local-timer-stop; + entry-latency-us = <639>; + exit-latency-us = <680>; + min-residency-us = <1088>; + arm,psci-suspend-param = <0x0010000>; + }; }; }; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/