From: Leo Yan <leo.yan@linaro.org>
To: Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>,
Rob Herring <robh+dt@kernel.org>, Pawel Moll <pawel.moll@arm.com>,
Mark Rutland <mark.rutland@arm.com>,
Ian Campbell <ijc+devicetree@hellion.org.uk>,
Kumar Gala <galak@codeaurora.org>, Leo Yan <leo.yan@linaro.org>,
Haojian Zhuang <haojian.zhuang@linaro.org>,
Wei Xu <xuwei5@hisilicon.com>,
Bintian Wang <bintian.wang@huawei.com>,
Yiping Xu <xuyiping@hisilicon.com>,
Sudeep Holla <sudeep.holla@arm.com>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, devicetree@vger.kernel.org
Subject: [PATCH v2 4/4] arm64: dts: enable idle states for Hi6220
Date: Tue, 13 Oct 2015 08:58:16 +0800 [thread overview]
Message-ID: <1444697896-4323-5-git-send-email-leo.yan@linaro.org> (raw)
In-Reply-To: <1444697896-4323-1-git-send-email-leo.yan@linaro.org>
Add cpu and cluster level's low power state for Hi6220.
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Leo Yan <leo.yan@linaro.org>
---
arch/arm64/boot/dts/hisilicon/hi6220.dtsi | 31 +++++++++++++++++++++++++++++++
1 file changed, 31 insertions(+)
diff --git a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
index cdd4125..2830571 100644
--- a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
+++ b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
@@ -52,11 +52,35 @@
};
};
+ idle-states {
+ entry-method = "psci";
+
+ CPU_SLEEP: cpu-sleep {
+ compatible = "arm,idle-state";
+ local-timer-stop;
+ arm,psci-suspend-param = <0x0010000>;
+ entry-latency-us = <700>;
+ exit-latency-us = <250>;
+ min-residency-us = <1000>;
+ };
+
+ CLUSTER_SLEEP: cluster-sleep {
+ compatible = "arm,idle-state";
+ local-timer-stop;
+ arm,psci-suspend-param = <0x1010000>;
+ entry-latency-us = <1000>;
+ exit-latency-us = <700>;
+ min-residency-us = <2700>;
+ wakeup-latency-us = <1500>;
+ };
+ };
+
cpu0: cpu@0 {
compatible = "arm,cortex-a53", "arm,armv8";
device_type = "cpu";
reg = <0x0 0x0>;
enable-method = "psci";
+ cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
};
cpu1: cpu@1 {
@@ -64,6 +88,7 @@
device_type = "cpu";
reg = <0x0 0x1>;
enable-method = "psci";
+ cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
};
cpu2: cpu@2 {
@@ -71,6 +96,7 @@
device_type = "cpu";
reg = <0x0 0x2>;
enable-method = "psci";
+ cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
};
cpu3: cpu@3 {
@@ -78,6 +104,7 @@
device_type = "cpu";
reg = <0x0 0x3>;
enable-method = "psci";
+ cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
};
cpu4: cpu@100 {
@@ -85,6 +112,7 @@
device_type = "cpu";
reg = <0x0 0x100>;
enable-method = "psci";
+ cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
};
cpu5: cpu@101 {
@@ -92,6 +120,7 @@
device_type = "cpu";
reg = <0x0 0x101>;
enable-method = "psci";
+ cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
};
cpu6: cpu@102 {
@@ -99,6 +128,7 @@
device_type = "cpu";
reg = <0x0 0x102>;
enable-method = "psci";
+ cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
};
cpu7: cpu@103 {
@@ -106,6 +136,7 @@
device_type = "cpu";
reg = <0x0 0x103>;
enable-method = "psci";
+ cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
};
};
--
1.9.1
prev parent reply other threads:[~2015-10-13 0:59 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-13 0:58 [PATCH v2 0/4] arm64: Hi6220: enable CPU idle states Leo Yan
2015-10-13 0:58 ` [PATCH v2 1/4] arm64: dts: Reserve memory regions for hi6220 Leo Yan
2015-10-16 7:30 ` Leo Yan
2015-10-13 0:58 ` [PATCH v2 2/4] arm64: Kconfig: select sp804 timer for ARCH_HISI Leo Yan
2015-10-13 0:58 ` [PATCH v2 3/4] arm64: dts: add sp804 timer node for Hi6220 Leo Yan
2015-10-13 0:58 ` Leo Yan [this message]
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