build/patch/kernel/archive/meson64-5.10/hardkernel-0020-N2-C4-arm64-dts-add-CPU-thermal-cooling-map.patch

From ce866a9b68a21ecde72401bb1ccc82be5981d87f Mon Sep 17 00:00:00 2001
From: Dongjin Kim <tobetter@gmail.com>
Date: Wed, 6 May 2020 15:33:45 +0900
Subject: [PATCH 20/74] ODROID-N2/C4: arm64/dts: add CPU thermal cooling map

Change-Id: Idddee81e210daef5afb8ca059e8dced40c770cc8
Signed-off-by: Dongjin Kim <tobetter@gmail.com>
---
 .../boot/dts/amlogic/meson-g12b-odroid-n2.dts | 30 +++++++++++++++++++
 .../boot/dts/amlogic/meson-sm1-odroid-c4.dts  | 23 ++++++++++++++
 2 files changed, 53 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
index 047e076df661..232f86c6c37d 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
@@ -292,6 +292,7 @@ &cpu0 {
 	operating-points-v2 = <&cpu_opp_table_0>;
 	clocks = <&clkc CLKID_CPU_CLK>;
 	clock-latency = <50000>;
+	#cooling-cells = <2>;
 };
 
 &cpu1 {
@@ -299,6 +300,7 @@ &cpu1 {
 	operating-points-v2 = <&cpu_opp_table_0>;
 	clocks = <&clkc CLKID_CPU_CLK>;
 	clock-latency = <50000>;
+	#cooling-cells = <2>;
 };
 
 &cpu100 {
@@ -306,6 +308,7 @@ &cpu100 {
 	operating-points-v2 = <&cpub_opp_table_1>;
 	clocks = <&clkc CLKID_CPUB_CLK>;
 	clock-latency = <50000>;
+	#cooling-cells = <2>;
 };
 
 &cpu101 {
@@ -313,6 +316,7 @@ &cpu101 {
 	operating-points-v2 = <&cpub_opp_table_1>;
 	clocks = <&clkc CLKID_CPUB_CLK>;
 	clock-latency = <50000>;
+	#cooling-cells = <2>;
 };
 
 &cpu102 {
@@ -320,6 +324,7 @@ &cpu102 {
 	operating-points-v2 = <&cpub_opp_table_1>;
 	clocks = <&clkc CLKID_CPUB_CLK>;
 	clock-latency = <50000>;
+	#cooling-cells = <2>;
 };
 
 &cpu103 {
@@ -327,6 +332,31 @@ &cpu103 {
 	operating-points-v2 = <&cpub_opp_table_1>;
 	clocks = <&clkc CLKID_CPUB_CLK>;
 	clock-latency = <50000>;
+	#cooling-cells = <2>;
+};
+
+&cpu_thermal {
+	trips {
+		cpu_passive: cpu-passive {
+			temperature = <70000>; /* millicelsius */
+			hysteresis = <2000>; /* millicelsius */
+			type = "passive";
+		};
+	};
+	cooling-maps {
+		cpufreq_map0 {
+			trip = <&cpu_passive>;
+			cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+					 <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+		};
+		cpufreq_map1 {
+			trip = <&cpu_passive>;
+			cooling-device = <&cpu100 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+					 <&cpu101 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+					 <&cpu102 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+					 <&cpu103 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+		};
+	};
 };
 
 &ext_mdio {
diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-c4.dts b/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-c4.dts
index 8d3523c163c5..831053aa6dff 100644
--- a/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-c4.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-c4.dts
@@ -259,6 +259,7 @@ &cpu0 {
 	operating-points-v2 = <&cpu_opp_table>;
 	clocks = <&clkc CLKID_CPU_CLK>;
 	clock-latency = <50000>;
+	#cooling-cells = <2>;
 };
 
 &cpu1 {
@@ -266,6 +267,7 @@ &cpu1 {
 	operating-points-v2 = <&cpu_opp_table>;
 	clocks = <&clkc CLKID_CPU1_CLK>;
 	clock-latency = <50000>;
+	#cooling-cells = <2>;
 };
 
 &cpu2 {
@@ -273,6 +275,7 @@ &cpu2 {
 	operating-points-v2 = <&cpu_opp_table>;
 	clocks = <&clkc CLKID_CPU2_CLK>;
 	clock-latency = <50000>;
+	#cooling-cells = <2>;
 };
 
 &cpu3 {
@@ -280,6 +283,26 @@ &cpu3 {
 	operating-points-v2 = <&cpu_opp_table>;
 	clocks = <&clkc CLKID_CPU3_CLK>;
 	clock-latency = <50000>;
+	#cooling-cells = <2>;
+};
+
+&cpu_thermal {
+	trips {
+		cpu_passive: cpu-passive {
+			temperature = <70000>; /* millicelsius */
+			hysteresis = <2000>; /* millicelsius */
+			type = "passive";
+		};
+	};
+	cooling-maps {
+		cpufreq_map0 {
+			trip = <&cpu_passive>;
+			cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+					 <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+					 <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+					 <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+		};
+	};
 };
 
 &ext_mdio {
-- 
2.25.1