From: Marc Titinger <mtitinger@baylibre.com>
To: lina.iyer@linaro.org
Cc: rjw@rjwysocki.net, khilman@kernel.org, ahaslam@baylibre.com,
bcousson@baylibre.com, linux-pm@vger.kernel.org,
linux-kernel@vger.kernel.org, Jon Medhurst <tixy@linaro.org>
Subject: [RFC v3 3/7] arm64: dts: Add idle-states for Juno
Date: Tue, 27 Oct 2015 18:40:52 +0100 [thread overview]
Message-ID: <1445967656-28292-4-git-send-email-mtitinger+renesas@baylibre.com> (raw)
In-Reply-To: <1445967656-28292-1-git-send-email-mtitinger+renesas@baylibre.com>
In-Reply-To: <20151019205825.GA82426@linaro.org>
From: Jon Medhurst <tixy@linaro.org>
Signed-off-by: Jon Medhurst <tixy@linaro.org>
---
arch/arm64/boot/dts/arm/juno.dts | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/arch/arm64/boot/dts/arm/juno.dts b/arch/arm64/boot/dts/arm/juno.dts
index 53442b5..b3fcee8 100644
--- a/arch/arm64/boot/dts/arm/juno.dts
+++ b/arch/arm64/boot/dts/arm/juno.dts
@@ -60,6 +60,29 @@
};
};
+ idle-states {
+
+ entry-method = "arm,psci";
+
+ CPU_SLEEP_0: cpu-sleep-0 {
+ compatible = "arm,idle-state";
+ arm,psci-suspend-param = <0x0010000>;
+ local-timer-stop;
+ entry-latency-us = <100>;
+ exit-latency-us = <250>;
+ min-residency-us = <2000>;
+ };
+
+ CLUSTER_SLEEP_0: cluster-sleep-0 {
+ compatible = "arm,idle-state";
+ arm,psci-suspend-param = <0x1010000>;
+ local-timer-stop;
+ entry-latency-us = <800>;
+ exit-latency-us = <700>;
+ min-residency-us = <2500>;
+ };
+ };
+
A57_0: cpu@0 {
compatible = "arm,cortex-a57","arm,armv8";
reg = <0x0 0x0>;
@@ -67,6 +90,7 @@
enable-method = "psci";
next-level-cache = <&A57_L2>;
clocks = <&scpi_dvfs 0>;
+ cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
};
A57_1: cpu@1 {
@@ -76,6 +100,7 @@
enable-method = "psci";
next-level-cache = <&A57_L2>;
clocks = <&scpi_dvfs 0>;
+ cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
};
A53_0: cpu@100 {
@@ -85,6 +110,7 @@
enable-method = "psci";
next-level-cache = <&A53_L2>;
clocks = <&scpi_dvfs 1>;
+ cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
};
A53_1: cpu@101 {
@@ -94,6 +120,7 @@
enable-method = "psci";
next-level-cache = <&A53_L2>;
clocks = <&scpi_dvfs 1>;
+ cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
};
A53_2: cpu@102 {
@@ -103,6 +130,7 @@
enable-method = "psci";
next-level-cache = <&A53_L2>;
clocks = <&scpi_dvfs 1>;
+ cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
};
A53_3: cpu@103 {
@@ -112,6 +140,7 @@
enable-method = "psci";
next-level-cache = <&A53_L2>;
clocks = <&scpi_dvfs 1>;
+ cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
};
A57_L2: l2-cache0 {
--
1.9.1
next prev parent reply other threads:[~2015-10-27 17:43 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-25 13:04 [RFC 0/7] Managing cluser-level c-states with generic power domains Marc Titinger
2015-09-25 13:04 ` [RFC 1/7] arm64: pm/domains: try mutualize CPU domains init between arm/arm64 Marc Titinger
2015-10-06 2:27 ` Lina Iyer
2015-10-06 8:52 ` Marc Titinger
2015-10-06 14:27 ` [RFC v2 0/6] Managing cluser-level c-states with generic power domains Marc Titinger
2015-10-06 14:27 ` [RFC v2 1/6] arm64: Juno: declare generic power domains for both clusters Marc Titinger
2015-10-06 14:27 ` [RFC v2 2/6] PM / Domains: prepare for devices that might register a power state Marc Titinger
2015-10-08 16:11 ` Lina Iyer
2015-10-09 9:39 ` Marc Titinger
2015-10-09 18:22 ` Lina Iyer
2015-10-13 10:29 ` Marc Titinger
2015-10-13 21:03 ` Kevin Hilman
2015-10-06 14:27 ` [RFC v2 3/6] PM / Domains: introduce power-states consistent with c-states Marc Titinger
2015-10-08 16:27 ` Lina Iyer
2015-10-09 10:04 ` Marc Titinger
2015-10-06 14:27 ` [RFC v2 4/6] PM / Domains: succeed & warn when attaching non-irqsafe devices to an irq-safe domain Marc Titinger
2015-10-06 14:27 ` [RFC v2 5/6] arm: cpuidle: let genpd handle the cluster power transition with 'power-states' Marc Titinger
2015-11-11 9:10 ` Zhaoyang Huang
2015-11-11 17:27 ` Lina Iyer
2015-10-06 14:27 ` [RFC v2 6/6] PM / Domains: add debugfs 'states' and 'timings' seq files Marc Titinger
2015-10-13 23:10 ` [RFC v2 0/6] Managing cluser-level c-states with generic power domains Kevin Hilman
2015-10-14 8:10 ` Axel Haslam
2015-10-19 20:58 ` Lina Iyer
2015-10-20 9:10 ` Marc Titinger
2015-10-27 17:40 ` [RFC v3 0/7] Managing cluser-level idle-states " Marc Titinger
2015-10-27 17:40 ` [RFC v3 1/7] PM / Domains: prepare for devices that might register a power state Marc Titinger
2015-10-27 17:40 ` [RFC v3 2/7] PM / Domains: support idle-states as genpd multiple-state Marc Titinger
2015-11-13 5:56 ` Zhaoyang Huang
2015-10-27 17:40 ` Marc Titinger [this message]
2015-10-27 17:40 ` [RFC v3 4/7] arm64: Juno: declare generic power domains for both clusters Marc Titinger
2015-10-27 17:40 ` [RFC v3 5/7] drivers: cpu-pd: allow calling of_cpu_pd_init from platform code Marc Titinger
2015-10-27 17:40 ` [RFC v3 6/7] arm64: PM /Domains: Initialize CPU-domains from DT Marc Titinger
2015-10-27 17:40 ` [RFC v3 7/7] arm64: Juno: declare idle-state cluster-sleep-0 as genpd state Marc Titinger
2015-09-25 13:04 ` [RFC 2/7] arm64: Juno: declare generic power domains for both clusters Marc Titinger
2015-09-25 13:04 ` [RFC 3/7] PM / Domains: prepare for devices that might register a power state Marc Titinger
2015-09-25 13:04 ` [RFC 4/7] PM / Domains: introduce power-states consistent with c-states Marc Titinger
2015-09-25 13:04 ` [RFC 5/7] PM / Domains: succeed & warn when attaching non-irqsafe devices to an irq-safe domain Marc Titinger
2015-09-25 13:04 ` [RFC 6/7] arm: cpuidle: let genpd handle the cluster power transition with 'power-states' Marc Titinger
2015-09-25 13:04 ` [RFC 7/7] PM / Domains: add debugfs 'states' and 'timings' seq files Marc Titinger
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