From 12a38f93a47b9ff2c5fc209eb595f3b8fa2c2c7a Mon Sep 17 00:00:00 2001
From: Tonymac32 <tonymckahan@gmail.com>
Date: Wed, 24 May 2017 02:07:12 -0400
Subject: [PATCH] rk3288 Update polling of thermal sensors

Trip points at 70, 75, and 90 with increased polling speed
---
 .../102_dts_rk3288_thermal_tuning.patch       | 123 ++++++++++++++++++
 1 file changed, 123 insertions(+)
 create mode 100644 patch/kernel/rockchip-default/102_dts_rk3288_thermal_tuning.patch

diff --git a/patch/kernel/rockchip-default/102_dts_rk3288_thermal_tuning.patch b/patch/kernel/rockchip-default/102_dts_rk3288_thermal_tuning.patch
new file mode 100644
index 000000000..bf666b65e
--- /dev/null
+++ b/patch/kernel/rockchip-default/102_dts_rk3288_thermal_tuning.patch
@@ -0,0 +1,123 @@
+diff --git a/arch/arm/boot/dts/rk3288-miniarm.dts b/arch/arm/boot/dts/rk3288-miniarm.dts
+index 3aefd31..c4e634c 100644
+--- a/arch/arm/boot/dts/rk3288-miniarm.dts
++++ b/arch/arm/boot/dts/rk3288-miniarm.dts
+@@ -280,7 +280,7 @@
+ 				regulator-always-on;
+ 				regulator-boot-on;
+ 				regulator-min-microvolt = <750000>;
+-				regulator-max-microvolt = <1350000>;
++				regulator-max-microvolt = <1450000>;
+ 				regulator-name = "vdd_arm";
+ 				regulator-ramp-delay = <6000>;
+ 				regulator-state-mem {
+diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
+index 6a876ed..56dd5c8 100644
+--- a/arch/arm/boot/dts/rk3288.dtsi
++++ b/arch/arm/boot/dts/rk3288.dtsi
+@@ -49,6 +49,7 @@
+ #include "skeleton.dtsi"
+ 
+ / {
++
+ 	compatible = "rockchip,rk3288";
+ 
+ 	interrupt-parent = <&gic>;
+@@ -537,7 +538,79 @@
+ 	};
+ 
+ 	thermal-zones {
+-		#include "rk3288-thermal.dtsi"
++	
++		reserve_thermal: reserve_thermal {
++			polling-delay-passive = <1000>; /* milliseconds */
++			polling-delay = <5000>; /* milliseconds */
++
++			thermal-sensors = <&tsadc 0>;
++		};
++
++		cpu_thermal: cpu_thermal {
++			polling-delay-passive = <100>; /* milliseconds */
++			polling-delay = <5000>; /* milliseconds */
++			sustainable-power = <1200>;
++			thermal-sensors = <&tsadc 1>;
++	
++			trips {
++				cpu_alert0: cpu_alert0 {
++					temperature = <70000>; /* millicelsius */
++					hysteresis = <2500>; /* millicelsius */
++					type = "passive";
++				};
++				cpu_alert1: cpu_alert1 {
++					temperature = <75000>; /* millicelsius */
++					hysteresis = <2500>; /* millicelsius */
++					type = "passive";
++				};
++				cpu_crit: cpu_crit {
++					temperature = <90000>; /* millicelsius */
++					hysteresis = <2000>; /* millicelsius */
++					type = "critical";
++				};
++			};
++
++		cooling-maps {
++
++			map0 {
++				trip = <&cpu_alert0>;
++				cooling-device = <&cpu0 THERMAL_NO_LIMIT 6>;
++			};
++
++			map1 {
++				trip = <&cpu_alert1>;
++				cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
++			};
++		};
++	};
++
++gpu_thermal: gpu_thermal {
++	polling-delay-passive = <100>; /* milliseconds */
++	polling-delay = <5000>; /* milliseconds */
++
++	thermal-sensors = <&tsadc 2>;
++
++	trips {
++		gpu_alert0: gpu_alert0 {
++			temperature = <70000>; /* millicelsius */
++			hysteresis = <2500>; /* millicelsius */
++			type = "passive";
++		};
++		gpu_crit: gpu_crit {
++			temperature = <90000>; /* millicelsius */
++			hysteresis = <2000>; /* millicelsius */
++			type = "critical";
++		};
++	};
++
++	cooling-maps {
++		map0 {
++			trip = <&gpu_alert0>;
++			cooling-device =
++				<&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
++		};
++	};
++};
+ 	};
+ 
+ 	tsadc: tsadc@ff280000 {
+@@ -554,6 +627,7 @@
+ 		pinctrl-2 = <&otp_gpio>;
+ 		#thermal-sensor-cells = <1>;
+ 		rockchip,hw-tshut-temp = <95000>;
++		rockchip,grf = <&grf>;
+ 		status = "disabled";
+ 	};
+ 
+@@ -1311,7 +1385,7 @@
+ 		#address-cells = <0>;
+ 
+ 		reg = <0xffc01000 0x1000>,
+-		      <0xffc02000 0x1000>,
++		      <0xffc02000 0x2000>,
+ 		      <0xffc04000 0x2000>,
+ 		      <0xffc06000 0x2000>;
+ 		interrupts = <GIC_PPI 9 0xf04>;