From cd0b69ec0eb5e489954d7125b934457ac7acf6f7 Mon Sep 17 00:00:00 2001
From: Leo Yan <leo.yan@linaro.org>
Date: Tue, 29 Mar 2016 19:27:15 +0800
Subject: [PATCH] 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@arm.com>
Signed-off-by: Leo Yan <leo.yan@linaro.org>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
---
 arch/arm64/boot/dts/hisilicon/hi6220.dtsi | 35 +++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
index fc61a164eceb..0c8df8a93dbe 100644
--- a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
+++ b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
@@ -7,6 +7,7 @@
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/clock/hi6220-clock.h>
 #include <dt-bindings/pinctrl/hisi.h>
+#include <dt-bindings/thermal/thermal.h>
 
 / {
 	compatible = "hisilicon,hi6220";
@@ -88,6 +89,7 @@
 			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 {
@@ -781,5 +783,38 @@
 			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>;
+						hysteresis = <0>;
+						type = "passive";
+					};
+
+					target: trip-point@1 {
+						temperature = <75000>;
+						hysteresis = <0>;
+						type = "passive";
+					};
+				};
+
+				cooling-maps {
+					map0 {
+						trip = <&target>;
+						cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+					};
+				};
+			};
+		};
 	};
 };
-- 
2.20.1