[PATCH 3/3] arm64: dts: allwinner: a64: enable DVFS

Vasily Khoruzhick <anarsoul@xxxxxxxxx> · Fri, 3 Jan 2020 22:35:05 -0800

Add CPU regulator, CPU clock, operation points and thermal trip points
to enable DVFS on A64

Signed-off-by: Vasily Khoruzhick <anarsoul@xxxxxxxxx>
---
 .../allwinner/sun50i-a64-amarula-relic.dts    |   4 +
 .../dts/allwinner/sun50i-a64-bananapi-m64.dts |   4 +
 .../dts/allwinner/sun50i-a64-nanopi-a64.dts   |   4 +
 .../dts/allwinner/sun50i-a64-olinuxino.dts    |   4 +
 .../dts/allwinner/sun50i-a64-orangepi-win.dts |   4 +
 .../boot/dts/allwinner/sun50i-a64-pine64.dts  |   4 +
 .../dts/allwinner/sun50i-a64-pinebook.dts     |   4 +
 .../allwinner/sun50i-a64-sopine-baseboard.dts |   4 +
 .../boot/dts/allwinner/sun50i-a64-sopine.dtsi |   4 +
 .../boot/dts/allwinner/sun50i-a64-teres-i.dts |   4 +
 arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 102 ++++++++++++++++++
 11 files changed, 142 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts
index 5634245d11db..43f6ac0beed6 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts
@@ -65,6 +65,10 @@ wifi_pwrseq: wifi-pwrseq {
 	};
 };
 
+&cpu0 {
+	cpu-supply = <&reg_dcdc2>;
+};
+
 &csi {
 	status = "okay";
 
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts
index 208373efee49..cbcab80de8c5 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts
@@ -108,6 +108,10 @@ &codec_analog {
 	status = "okay";
 };
 
+&cpu0 {
+	cpu-supply = <&reg_dcdc2>;
+};
+
 &dai {
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-nanopi-a64.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-nanopi-a64.dts
index 9b9d9157128c..6708acf94d01 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-nanopi-a64.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-nanopi-a64.dts
@@ -87,6 +87,10 @@ wifi_pwrseq: wifi_pwrseq {
 	};
 };
 
+&cpu0 {
+	cpu-supply = <&reg_dcdc2>;
+};
+
 &de {
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-olinuxino.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-olinuxino.dts
index 01a9a52edae4..f94e60eb4ec2 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-olinuxino.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-olinuxino.dts
@@ -87,6 +87,10 @@ wifi_pwrseq: wifi_pwrseq {
 	};
 };
 
+&cpu0 {
+	cpu-supply = <&reg_dcdc2>;
+};
+
 &de {
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-orangepi-win.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-orangepi-win.dts
index f54a415f2e3b..2793afba4884 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-orangepi-win.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-orangepi-win.dts
@@ -123,6 +123,10 @@ &codec_analog {
 	status = "okay";
 };
 
+&cpu0 {
+	cpu-supply = <&reg_dcdc2>;
+};
+
 &dai {
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts
index 409523cb0950..04aa452d4400 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts
@@ -84,6 +84,10 @@ &codec_analog {
 	status = "okay";
 };
 
+&cpu0 {
+	cpu-supply = <&reg_dcdc2>;
+};
+
 &dai {
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts
index 78c82a665c84..365d85c16deb 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts
@@ -98,6 +98,10 @@ &codec_analog {
 	status = "okay";
 };
 
+&cpu0 {
+	cpu-supply = <&reg_dcdc2>;
+};
+
 &dai {
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts
index 920103ec0046..e760e8efdf3e 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts
@@ -100,6 +100,10 @@ &codec_analog {
 	status = "okay";
 };
 
+&cpu0 {
+	cpu-supply = <&reg_dcdc2>;
+};
+
 &dai {
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine.dtsi
index 9d20e13f0c02..3d8e2d452ce1 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine.dtsi
@@ -51,6 +51,10 @@ &codec_analog {
 	cpvdd-supply = <&reg_eldo1>;
 };
 
+&cpu0 {
+	cpu-supply = <&reg_dcdc2>;
+};
+
 &mmc0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&mmc0_pins>;
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-teres-i.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-teres-i.dts
index 970415106dcf..28edcef8bed1 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-teres-i.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-teres-i.dts
@@ -104,6 +104,10 @@ &de {
 	status = "okay";
 };
 
+&cpu0 {
+	cpu-supply = <&reg_dcdc2>;
+};
+
 &ehci1 {
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
index 5e3f16c3b706..7f37c8cd1b6e 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
@@ -80,6 +80,52 @@ simplefb_hdmi: framebuffer-hdmi {
 		};
 	};
 
+	cpu0_opp_table: opp_table0 {
+		compatible = "operating-points-v2";
+		opp-shared;
+
+		opp-648000000 {
+			opp-hz = /bits/ 64 <648000000>;
+			opp-microvolt = <1040000>;
+			clock-latency-ns = <244144>; /* 8 32k periods */
+		};
+		opp-816000000 {
+			opp-hz = /bits/ 64 <816000000>;
+			opp-microvolt = <1100000>;
+			clock-latency-ns = <244144>; /* 8 32k periods */
+		};
+		opp-912000000 {
+			opp-hz = /bits/ 64 <912000000>;
+			opp-microvolt = <1120000>;
+			clock-latency-ns = <244144>; /* 8 32k periods */
+		};
+		opp-960000000 {
+			opp-hz = /bits/ 64 <960000000>;
+			opp-microvolt = <1160000>;
+			clock-latency-ns = <244144>; /* 8 32k periods */
+		};
+		opp-1008000000 {
+			opp-hz = /bits/ 64 <1008000000>;
+			opp-microvolt = <1200000>;
+			clock-latency-ns = <244144>; /* 8 32k periods */
+		};
+		opp-1056000000 {
+			opp-hz = /bits/ 64 <1056000000>;
+			opp-microvolt = <1240000>;
+			clock-latency-ns = <244144>; /* 8 32k periods */
+		};
+		opp-1104000000 {
+			opp-hz = /bits/ 64 <1104000000>;
+			opp-microvolt = <1260000>;
+			clock-latency-ns = <244144>; /* 8 32k periods */
+		};
+		opp-1152000000 {
+			opp-hz = /bits/ 64 <1152000000>;
+			opp-microvolt = <1300000>;
+			clock-latency-ns = <244144>; /* 8 32k periods */
+		};
+	};
+
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
@@ -90,6 +136,10 @@ cpu0: cpu@0 {
 			reg = <0>;
 			enable-method = "psci";
 			next-level-cache = <&L2>;
+			clocks = <&ccu CLK_CPUX>;
+			clock-names = "cpu";
+			operating-points-v2 = <&cpu0_opp_table>;
+			#cooling-cells = <2>;
 		};
 
 		cpu1: cpu@1 {
@@ -98,6 +148,10 @@ cpu1: cpu@1 {
 			reg = <1>;
 			enable-method = "psci";
 			next-level-cache = <&L2>;
+			clocks = <&ccu CLK_CPUX>;
+			clock-names = "cpu";
+			operating-points-v2 = <&cpu0_opp_table>;
+			#cooling-cells = <2>;
 		};
 
 		cpu2: cpu@2 {
@@ -106,6 +160,10 @@ cpu2: cpu@2 {
 			reg = <2>;
 			enable-method = "psci";
 			next-level-cache = <&L2>;
+			clocks = <&ccu CLK_CPUX>;
+			clock-names = "cpu";
+			operating-points-v2 = <&cpu0_opp_table>;
+			#cooling-cells = <2>;
 		};
 
 		cpu3: cpu@3 {
@@ -114,6 +172,10 @@ cpu3: cpu@3 {
 			reg = <3>;
 			enable-method = "psci";
 			next-level-cache = <&L2>;
+			clocks = <&ccu CLK_CPUX>;
+			clock-names = "cpu";
+			operating-points-v2 = <&cpu0_opp_table>;
+			#cooling-cells = <2>;
 		};
 
 		L2: l2-cache {
@@ -218,6 +280,46 @@ cpu_thermal: cpu0-thermal {
 			polling-delay-passive = <0>;
 			polling-delay = <0>;
 			thermal-sensors = <&ths 0>;
+
+			cooling-maps {
+				map0 {
+					trip = <&cpu_alert0>;
+					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>;
+				};
+				map1 {
+					trip = <&cpu_alert1>;
+					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>;
+				};
+			};
+
+			trips {
+				cpu_alert0: cpu_alert0 {
+					/* milliCelsius */
+					temperature = <75000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
+				cpu_alert1: cpu_alert1 {
+					/* milliCelsius */
+					temperature = <90000>;
+					hysteresis = <2000>;
+					type = "hot";
+				};
+
+				cpu_crit: cpu_crit {
+					/* milliCelsius */
+					temperature = <110000>;
+					hysteresis = <2000>;
+					type = "critical";
+				};
+			};
 		};
 
 		gpu0_thermal: gpu0-thermal {
-- 
2.24.1







