From: Maulik Shah <mkshah@codeaurora.org>
To: swboyd@chromium.org, mka@chromium.org, evgreen@chromium.org,
bjorn.andersson@linaro.org
Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
agross@kernel.org, dianders@chromium.org, rnayak@codeaurora.org,
ilina@codeaurora.org, lsrao@codeaurora.org,
Maulik Shah <mkshah@codeaurora.org>,
devicetree@vger.kernel.orgi
Subject: [PATCH v12 1/4] arm64: dts: qcom: sc7180: Add cpuidle low power states
Date: Thu, 5 Mar 2020 22:37:00 +0530 [thread overview]
Message-ID: <1583428023-19559-2-git-send-email-mkshah@codeaurora.org> (raw)
In-Reply-To: <1583428023-19559-1-git-send-email-mkshah@codeaurora.org>
Add device bindings for cpuidle states for cpu devices.
Cc: devicetree@vger.kernel.orgi
Signed-off-by: Maulik Shah <mkshah@codeaurora.org>
Reviewed-by: Srinivas Rao L <lsrao@codeaurora.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
---
arch/arm64/boot/dts/qcom/sc7180.dtsi | 78 ++++++++++++++++++++++++++++++++++++
1 file changed, 78 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
index 253274d..f5c08ce 100644
--- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
@@ -94,6 +94,9 @@
compatible = "arm,armv8";
reg = <0x0 0x0>;
enable-method = "psci";
+ cpu-idle-states = <&LITTLE_CPU_SLEEP_0
+ &LITTLE_CPU_SLEEP_1
+ &CLUSTER_SLEEP_0>;
capacity-dmips-mhz = <1024>;
dynamic-power-coefficient = <100>;
next-level-cache = <&L2_0>;
@@ -113,6 +116,9 @@
compatible = "arm,armv8";
reg = <0x0 0x100>;
enable-method = "psci";
+ cpu-idle-states = <&LITTLE_CPU_SLEEP_0
+ &LITTLE_CPU_SLEEP_1
+ &CLUSTER_SLEEP_0>;
capacity-dmips-mhz = <1024>;
dynamic-power-coefficient = <100>;
next-level-cache = <&L2_100>;
@@ -129,6 +135,9 @@
compatible = "arm,armv8";
reg = <0x0 0x200>;
enable-method = "psci";
+ cpu-idle-states = <&LITTLE_CPU_SLEEP_0
+ &LITTLE_CPU_SLEEP_1
+ &CLUSTER_SLEEP_0>;
capacity-dmips-mhz = <1024>;
dynamic-power-coefficient = <100>;
next-level-cache = <&L2_200>;
@@ -145,6 +154,9 @@
compatible = "arm,armv8";
reg = <0x0 0x300>;
enable-method = "psci";
+ cpu-idle-states = <&LITTLE_CPU_SLEEP_0
+ &LITTLE_CPU_SLEEP_1
+ &CLUSTER_SLEEP_0>;
capacity-dmips-mhz = <1024>;
dynamic-power-coefficient = <100>;
next-level-cache = <&L2_300>;
@@ -161,6 +173,9 @@
compatible = "arm,armv8";
reg = <0x0 0x400>;
enable-method = "psci";
+ cpu-idle-states = <&LITTLE_CPU_SLEEP_0
+ &LITTLE_CPU_SLEEP_1
+ &CLUSTER_SLEEP_0>;
capacity-dmips-mhz = <1024>;
dynamic-power-coefficient = <100>;
next-level-cache = <&L2_400>;
@@ -177,6 +192,9 @@
compatible = "arm,armv8";
reg = <0x0 0x500>;
enable-method = "psci";
+ cpu-idle-states = <&LITTLE_CPU_SLEEP_0
+ &LITTLE_CPU_SLEEP_1
+ &CLUSTER_SLEEP_0>;
capacity-dmips-mhz = <1024>;
dynamic-power-coefficient = <100>;
next-level-cache = <&L2_500>;
@@ -193,6 +211,9 @@
compatible = "arm,armv8";
reg = <0x0 0x600>;
enable-method = "psci";
+ cpu-idle-states = <&BIG_CPU_SLEEP_0
+ &BIG_CPU_SLEEP_1
+ &CLUSTER_SLEEP_0>;
capacity-dmips-mhz = <1740>;
dynamic-power-coefficient = <405>;
next-level-cache = <&L2_600>;
@@ -209,6 +230,9 @@
compatible = "arm,armv8";
reg = <0x0 0x700>;
enable-method = "psci";
+ cpu-idle-states = <&BIG_CPU_SLEEP_0
+ &BIG_CPU_SLEEP_1
+ &CLUSTER_SLEEP_0>;
capacity-dmips-mhz = <1740>;
dynamic-power-coefficient = <405>;
next-level-cache = <&L2_700>;
@@ -255,6 +279,60 @@
};
};
};
+
+ idle-states {
+ entry-method = "psci";
+
+ LITTLE_CPU_SLEEP_0: cpu-sleep-0-0 {
+ compatible = "arm,idle-state";
+ idle-state-name = "little-power-down";
+ arm,psci-suspend-param = <0x40000003>;
+ entry-latency-us = <549>;
+ exit-latency-us = <901>;
+ min-residency-us = <1774>;
+ local-timer-stop;
+ };
+
+ LITTLE_CPU_SLEEP_1: cpu-sleep-0-1 {
+ compatible = "arm,idle-state";
+ idle-state-name = "little-rail-power-down";
+ arm,psci-suspend-param = <0x40000004>;
+ entry-latency-us = <702>;
+ exit-latency-us = <915>;
+ min-residency-us = <4001>;
+ local-timer-stop;
+ };
+
+ BIG_CPU_SLEEP_0: cpu-sleep-1-0 {
+ compatible = "arm,idle-state";
+ idle-state-name = "big-power-down";
+ arm,psci-suspend-param = <0x40000003>;
+ entry-latency-us = <523>;
+ exit-latency-us = <1244>;
+ min-residency-us = <2207>;
+ local-timer-stop;
+ };
+
+ BIG_CPU_SLEEP_1: cpu-sleep-1-1 {
+ compatible = "arm,idle-state";
+ idle-state-name = "big-rail-power-down";
+ arm,psci-suspend-param = <0x40000004>;
+ entry-latency-us = <526>;
+ exit-latency-us = <1854>;
+ min-residency-us = <5555>;
+ local-timer-stop;
+ };
+
+ CLUSTER_SLEEP_0: cluster-sleep-0 {
+ compatible = "arm,idle-state";
+ idle-state-name = "cluster-power-down";
+ arm,psci-suspend-param = <0x40003444>;
+ entry-latency-us = <3263>;
+ exit-latency-us = <6562>;
+ min-residency-us = <9926>;
+ local-timer-stop;
+ };
+ };
};
memory@80000000 {
--
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
of Code Aurora Forum, hosted by The Linux Foundation
next prev parent reply other threads:[~2020-03-05 17:07 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-05 17:06 [PATCH v12 0/4] Invoke rpmh_flush for non OSI targets Maulik Shah
2020-03-05 17:07 ` Maulik Shah [this message]
2020-03-05 17:07 ` [PATCH v12 2/4] soc: qcom: rpmh: Update dirty flag only when data changes Maulik Shah
2020-03-05 17:07 ` [PATCH v12 3/4] soc: qcom: rpmh: Invoke rpmh_flush() for dirty caches Maulik Shah
2020-03-05 17:07 ` [PATCH v12 4/4] soc: qcom: rpmh: Invalidate SLEEP and WAKE TCSes before flushing new data Maulik Shah
2020-03-05 22:20 ` Doug Anderson
2020-03-09 8:28 ` Maulik Shah
2020-03-05 17:50 ` [PATCH v12 0/4] Invoke rpmh_flush for non OSI targets Stephen Boyd
2020-03-09 8:29 ` Maulik Shah
2020-03-05 22:22 ` Doug Anderson
2020-03-09 8:27 ` Maulik Shah
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1583428023-19559-2-git-send-email-mkshah@codeaurora.org \
--to=mkshah@codeaurora.org \
--cc=agross@kernel.org \
--cc=bjorn.andersson@linaro.org \
--cc=devicetree@vger.kernel.orgi \
--cc=dianders@chromium.org \
--cc=evgreen@chromium.org \
--cc=ilina@codeaurora.org \
--cc=linux-arm-msm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=lsrao@codeaurora.org \
--cc=mka@chromium.org \
--cc=rnayak@codeaurora.org \
--cc=swboyd@chromium.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.