linux-kernel - [PATCH v2 5/5] arm64: dts: register Hi6220's thermal zone for power allocator

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1456458227-12950-6-git-send-email-leo.yan@linaro.org>
Date:	Fri, 26 Feb 2016 11:43:47 +0800
From:	Leo Yan <leo.yan@...aro.org>
To:	Wei Xu <xuwei5@...ilicon.com>, Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>,
	Zhang Rui <rui.zhang@...el.com>,
	Eduardo Valentin <edubezval@...il.com>,
	kongxinwei <kong.kongxinwei@...ilicon.com>,
	Javi Merino <javi.merino@....com>,
	Punit Agrawal <Punit.Agrawal@....com>
Cc:	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
	Leo Yan <leo.yan@...aro.org>
Subject: [PATCH v2 5/5] arm64: dts: register Hi6220's thermal zone for power allocator

With profiling Hi6220's power modeling so get dynamic coefficient and
sustainable power. So pass these parameters from DT.

Now enable power allocator with only one actor for CPU part, so directly
use cluster0's thermal sensor for monitoring temperature.

Reviewed-by: Javi Merino <javi.merino@....com>
Signed-off-by: Leo Yan <leo.yan@...aro.org>
---
 arch/arm64/boot/dts/hisilicon/hi6220.dtsi | 33 +++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
index 50ba1b0..d8b963c 100644
--- a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
+++ b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
@@ -6,6 +6,7 @@
 
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/clock/hi6220-clock.h>
+#include <dt-bindings/thermal/thermal.h>
 
 / {
 	compatible = "hisilicon,hi6220";
@@ -87,6 +88,7 @@
 			cooling-max-level = <0>;
 			#cooling-cells = <2>; /* min followed by max */
 			cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
+			dynamic-power-coefficient = <311>;
 		};
 
 		cpu1: cpu@1 {
@@ -322,5 +324,36 @@
 			clock-names = "thermal_clk";
 			#thermal-sensor-cells = <1>;
 		};
+
+		thermal-zones {
+
+			cls0: cls0 {
+				polling-delay = <1000>;
+				polling-delay-passive = <100>;
+				sustainable-power = <3326>;
+
+				/* sensor ID */
+				thermal-sensors = <&tsensor 2>;
+
+				trips {
+					threshold: trip-point@0 {
+						temperature = <65000>;
+						type = "passive";
+					};
+
+					target: trip-point@1 {
+						temperature = <75000>;
+						type = "passive";
+					};
+				};
+
+				cooling-maps {
+					map0 {
+						trip = <&target>;
+						cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+					};
+				};
+			};
+		};
 	};
 };
-- 
1.9.1