From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lorenzo Pieralisi Subject: Re: [PATCH] arm64: dts: berlin4ct: support cpuidle-dt Date: Wed, 2 Dec 2015 10:31:59 +0000 Message-ID: <20151202103159.GC18657@red-moon> References: <1448890918-6999-1-git-send-email-jszhang@marvell.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1448890918-6999-1-git-send-email-jszhang-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Jisheng Zhang Cc: sebastian.hesselbarth-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, daniel.lezcano-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, will.deacon-5wv7dgnIgG8@public.gmane.org, catalin.marinas-5wv7dgnIgG8@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, pawel.moll-5wv7dgnIgG8@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org, galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: devicetree@vger.kernel.org On Mon, Nov 30, 2015 at 09:41:58PM +0800, Jisheng Zhang wrote: > This patch adds an idle-states node to describe the berlin4ct idle > states and also adds references to the idle-states node in all CPU > nodes. After this patch cpuidle is enabled. > > Signed-off-by: Jisheng Zhang > --- > arch/arm64/boot/dts/marvell/berlin4ct.dtsi | 16 ++++++++++++++++ > 1 file changed, 16 insertions(+) Acked-by: Lorenzo Pieralisi > > diff --git a/arch/arm64/boot/dts/marvell/berlin4ct.dtsi b/arch/arm64/boot/dts/marvell/berlin4ct.dtsi > index 39d0676..3649cea 100644 > --- a/arch/arm64/boot/dts/marvell/berlin4ct.dtsi > +++ b/arch/arm64/boot/dts/marvell/berlin4ct.dtsi > @@ -69,6 +69,7 @@ > device_type = "cpu"; > reg = <0x0>; > enable-method = "psci"; > + cpu-idle-states = <&CPU_SLEEP_0>; > }; > > cpu1: cpu@1 { > @@ -76,6 +77,7 @@ > device_type = "cpu"; > reg = <0x1>; > enable-method = "psci"; > + cpu-idle-states = <&CPU_SLEEP_0>; > }; > > cpu2: cpu@2 { > @@ -83,6 +85,7 @@ > device_type = "cpu"; > reg = <0x2>; > enable-method = "psci"; > + cpu-idle-states = <&CPU_SLEEP_0>; > }; > > cpu3: cpu@3 { > @@ -90,6 +93,19 @@ > device_type = "cpu"; > reg = <0x3>; > enable-method = "psci"; > + cpu-idle-states = <&CPU_SLEEP_0>; > + }; > + > + idle-states { > + entry-method = "psci"; > + CPU_SLEEP_0: cpu-sleep-0 { > + compatible = "arm,idle-state"; > + local-timer-stop; > + arm,psci-suspend-param = <0x0010000>; > + entry-latency-us = <75>; > + exit-latency-us = <155>; > + min-residency-us = <1000>; > + }; > }; > }; > > -- > 2.6.2 > -- 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