From mboxrd@z Thu Jan 1 00:00:00 1970 From: Howard Chen Subject: [PATCH v3] ARM: dts: mt8173: support arm64 cpuidle-dt Date: Fri, 29 May 2015 15:01:46 +0800 Message-ID: <1432882906-7940-1-git-send-email-howard.chen@linaro.org> Return-path: Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Matthias Brugger Cc: Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Catalin Marinas , Will Deacon , Howard Chen , Eddie Huang , devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-mediatek-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, srv_heupstream-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org, Sascha Hauer , lorenzo.pieralisi-5wv7dgnIgG8@public.gmane.org, Bobby Batacharia , Daniel Lezcano , Amit Kucheria List-Id: devicetree@vger.kernel.org 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 | 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 924fdb6..47e8d56 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"; + arm,psci-suspend-param = <0x0010000>; + entry-latency-us = <639>; + exit-latency-us = <680>; + min-residency-us = <1088>; + local-timer-stop; + }; }; }; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html