[RFC PATCH 06/14] arm: dts: add omap4 CPU thermal data

[RFC PATCH 06/14] arm: dts: add omap4 CPU thermal data

[Eduardo Valentin]

This patch changes a dtsi file to contain the thermal data
for MPU domain on OMAP4 and later SoCs. This data will
enable the passive cooling with CPUfreq cooling device
at 100C and the system will do a thermal shutdown at 125C.

This thermal data can be reused across TI SoC devices.

Cc: "Benoît Cousson" <b-cousson@linaro.org>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Stephen Warren <swarren@wwwdotorg.org>
Cc: Ian Campbell <ian.campbell@citrix.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: linux-omap@vger.kernel.org
Cc: devicetree@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
---
 arch/arm/boot/dts/omap4-cpu-thermal.dtsi | 40 ++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 arch/arm/boot/dts/omap4-cpu-thermal.dtsi

diff --git a/arch/arm/boot/dts/omap4-cpu-thermal.dtsi b/arch/arm/boot/dts/omap4-cpu-thermal.dtsi
new file mode 100644
index 0000000..d74c565
--- /dev/null
+++ b/arch/arm/boot/dts/omap4-cpu-thermal.dtsi
@@ -0,0 +1,40 @@
+
+/*
+ * Device Tree Source for OMAP4/5 SoC CPU thermal
+ *
+ * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
+ * Contact: Eduardo Valentin <eduardo.valentin@ti.com>
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2.  This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+#include <dt-bindings/thermal/thermal.h>
+
+cpu_thermal: cpu_thermal {
+	#thermal-cells = <1>;
+	mask = <0x03>; /* trips writability */
+	passive_delay = <250>; /* milliseconds */
+	polling_delay = <1000>; /* milliseconds */
+	trips {
+		alert@100000{
+			temperature = <100000>; /* milliCelsius */
+			hysteresis = <2000>; /* milliCelsius */
+			type = <THERMAL_TRIP_PASSIVE>;
+		};
+		crit@125000{
+			temperature = <125000>; /* milliCelsius */
+			hysteresis = <2000>; /* milliCelsius */
+			type = <THERMAL_TRIP_CRITICAL>;
+		};
+	};
+	bind_params {
+		action@0{
+			cooling_device = "thermal-cpufreq";
+			weight = <100>; /* percentage */
+			mask = <0x01>;
+			/* no limits, using defaults */
+		};
+	};
+};
-- 
1.8.2.1.342.gfa7285d


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

[RFC PATCH 07/14] arm: dts: add omap4430 thermal data

[Eduardo Valentin]

This patch changes the dtsi entry on omap4430 to contain
the thermal data. This data will enable the passive
cooling with CPUfreq cooling device at 100C and the
system will do a thermal shutdown at 125C.

Cc: "Benoît Cousson" <b-cousson@ti.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: linux-omap@vger.kernel.org
Cc: devicetree-discuss@lists.ozlabs.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
---
 arch/arm/boot/dts/omap443x.dtsi | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm/boot/dts/omap443x.dtsi b/arch/arm/boot/dts/omap443x.dtsi
index bcf455e..91a3a5d 100644
--- a/arch/arm/boot/dts/omap443x.dtsi
+++ b/arch/arm/boot/dts/omap443x.dtsi
@@ -25,9 +25,14 @@
 		};
 	};
 
+	thermal_zones{
+		#include "omap4-cpu-thermal.dtsi"
+	};
+
 	bandgap {
 		reg = <0x4a002260 0x4
 		       0x4a00232C 0x4>;
 		compatible = "ti,omap4430-bandgap";
+		monitored-zones = <&cpu_thermal 0>;
 	};
 };
-- 
1.8.2.1.342.gfa7285d


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

[RFC PATCH 08/14] arm: dts: add omap4460 thermal data

[Eduardo Valentin]

This patch changes the dtsi entry on omap4460 to contain
the thermal data. This data will enable the passive
cooling with CPUfreq cooling device at 100C and the
system will do a thermal shutdown at 125C.

Cc: "Benoît Cousson" <b-cousson@linaro.org>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Stephen Warren <swarren@wwwdotorg.org>
Cc: Ian Campbell <ian.campbell@citrix.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: linux-omap@vger.kernel.org
Cc: devicetree@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
---
 arch/arm/boot/dts/omap4460.dtsi | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm/boot/dts/omap4460.dtsi b/arch/arm/boot/dts/omap4460.dtsi
index c2f0f39..9855f29 100644
--- a/arch/arm/boot/dts/omap4460.dtsi
+++ b/arch/arm/boot/dts/omap4460.dtsi
@@ -30,6 +30,10 @@
 		ti,hwmods = "debugss";
 	};
 
+	thermal_zones{
+		#include "omap4-cpu-thermal.dtsi"
+	};
+
 	bandgap {
 		reg = <0x4a002260 0x4
 		       0x4a00232C 0x4
@@ -37,5 +41,6 @@
 		compatible = "ti,omap4460-bandgap";
 		interrupts = <0 126 IRQ_TYPE_LEVEL_HIGH>; /* talert */
 		gpios = <&gpio3 22 0>; /* tshut */
+		monitored-zones = <&cpu_thermal 0>;
 	};
 };
-- 
1.8.2.1.342.gfa7285d

[RFC PATCH 09/14] arm: dts: point to cooling-zones on omap4430 cpu node

[Eduardo Valentin]

OMAP4430 devices can reach high temperatures and thus
needs to have cpufreq-cooling on systems running on it.

This patch links the cpu node to its thermal-zone
so that cpufreq-cpu0 driver loads the cooling device.

Cc: "Benoît Cousson" <b-cousson@ti.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: linux-omap@vger.kernel.org
Cc: devicetree-discuss@lists.ozlabs.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
---
 arch/arm/boot/dts/omap443x.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/dts/omap443x.dtsi b/arch/arm/boot/dts/omap443x.dtsi
index 91a3a5d..e4eea43 100644
--- a/arch/arm/boot/dts/omap443x.dtsi
+++ b/arch/arm/boot/dts/omap443x.dtsi
@@ -22,6 +22,7 @@
 				1008000 1375000
 			>;
 			clock-latency = <300000>; /* From legacy driver */
+			cooling-zones = <&cpu_thermal>;
 		};
 	};
 
-- 
1.8.2.1.342.gfa7285d

[RFC PATCH 10/14] arm: dts: point to cooling-zones on omap4460 cpu node

[Eduardo Valentin]

OMAP4460 devices can reach high temperatures and thus
needs to have cpufreq-cooling on systems running on it.

This patch links the cpu node to its thermal-zone
so that cpufreq-cpu0 driver loads the cooling device.

Cc: "Benoît Cousson" <b-cousson@linaro.org>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Stephen Warren <swarren@wwwdotorg.org>
Cc: Ian Campbell <ian.campbell@citrix.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: linux-omap@vger.kernel.org
Cc: devicetree@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
---
 arch/arm/boot/dts/omap4460.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/dts/omap4460.dtsi b/arch/arm/boot/dts/omap4460.dtsi
index 9855f29..991bd1b 100644
--- a/arch/arm/boot/dts/omap4460.dtsi
+++ b/arch/arm/boot/dts/omap4460.dtsi
@@ -20,6 +20,7 @@
 				920000  1313000
 			>;
 			clock-latency = <300000>; /* From legacy driver */
+			cooling-zones = <&cpu_thermal>;
 		};
 	};
 
-- 
1.8.2.1.342.gfa7285d

[RFC PATCH 11/14] arm: dts: add omap5 GPU thermal data

[Eduardo Valentin]

This patch changes a dtsi file to contain the thermal data
for GPU domain on OMAP5 and later SoCs. This data will
enable a thermal shutdown at 125C.

This thermal data can be reused across TI SoC devices.

Cc: "Benoît Cousson" <b-cousson@linaro.org>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Stephen Warren <swarren@wwwdotorg.org>
Cc: Ian Campbell <ian.campbell@citrix.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: linux-omap@vger.kernel.org
Cc: devicetree@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
---
 arch/arm/boot/dts/omap5-gpu-thermal.dtsi | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 arch/arm/boot/dts/omap5-gpu-thermal.dtsi

diff --git a/arch/arm/boot/dts/omap5-gpu-thermal.dtsi b/arch/arm/boot/dts/omap5-gpu-thermal.dtsi
new file mode 100644
index 0000000..f421492
--- /dev/null
+++ b/arch/arm/boot/dts/omap5-gpu-thermal.dtsi
@@ -0,0 +1,27 @@
+
+/*
+ * Device Tree Source for OMAP543x SoC GPU thermal
+ *
+ * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
+ * Contact: Eduardo Valentin <eduardo.valentin@ti.com>
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2.  This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+#include <dt-bindings/thermal/thermal.h>
+
+gpu_thermal: gpu_thermal {
+	#thermal-cells = <1>;
+	mask = <0x01>; /* trips writability */
+	passive_delay = <250>; /* milliseconds */
+	polling_delay = <1000>; /* milliseconds */
+	trips {
+		crit@125000{
+			temperature = <125000>; /* milliCelsius */
+			hysteresis = <2000>; /* milliCelsius */
+			type = <THERMAL_TRIP_CRITICAL>;
+		};
+	};
+};
-- 
1.8.2.1.342.gfa7285d

[RFC PATCH 12/14] arm: dts: add omap5 CORE thermal data

[Eduardo Valentin]

This patch changes a dtsi file to contain the thermal data
for CORE domain on OMAP5 and later SoCs. This data will
enable a thermal shutdown at 125C.

This thermal data can be reused across TI SoC devices.

Cc: "Benoît Cousson" <b-cousson@ti.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Stephen Warren <swarren@wwwdotorg.org>
Cc: Ian Campbell <ian.campbell@citrix.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: linux-omap@vger.kernel.org
Cc: devicetree@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
---
 arch/arm/boot/dts/omap5-core-thermal.dtsi | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 arch/arm/boot/dts/omap5-core-thermal.dtsi

diff --git a/arch/arm/boot/dts/omap5-core-thermal.dtsi b/arch/arm/boot/dts/omap5-core-thermal.dtsi
new file mode 100644
index 0000000..3d9fa09
--- /dev/null
+++ b/arch/arm/boot/dts/omap5-core-thermal.dtsi
@@ -0,0 +1,27 @@
+
+/*
+ * Device Tree Source for OMAP543x SoC CORE thermal
+ *
+ * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
+ * Contact: Eduardo Valentin <eduardo.valentin@ti.com>
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2.  This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+#include <dt-bindings/thermal/thermal.h>
+
+core_thermal: core_thermal {
+	#thermal-cells = <1>;
+	mask = <0x01>; /* trips writability */
+	passive_delay = <250>; /* milliseconds */
+	polling_delay = <1000>; /* milliseconds */
+	trips {
+		crit@125000{
+			temperature = <125000>; /* milliCelsius */
+			hysteresis = <2000>; /* milliCelsius */
+			type = <THERMAL_TRIP_CRITICAL>;
+		};
+	};
+};
-- 
1.8.2.1.342.gfa7285d

[RFC PATCH 13/14] arm: dts: add omap5 thermal data

[Eduardo Valentin]

This patch changes the dtsi entry on omap5 to contain
the thermal data. This data will enable the passive
cooling with CPUfreq cooling device at 100C. The
system will do a thermal shutdown at 125C whenever
any of its sensors sees this level.

Cc: "Benoît Cousson" <b-cousson@linaro.org>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Stephen Warren <swarren@wwwdotorg.org>
Cc: Ian Campbell <ian.campbell@citrix.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: linux-omap@vger.kernel.org
Cc: devicetree@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
---
 arch/arm/boot/dts/omap5.dtsi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm/boot/dts/omap5.dtsi b/arch/arm/boot/dts/omap5.dtsi
index e643620..4a33fe0 100644
--- a/arch/arm/boot/dts/omap5.dtsi
+++ b/arch/arm/boot/dts/omap5.dtsi
@@ -45,6 +45,12 @@
 		};
 	};
 
+	thermal_zones {
+		#include "omap4-cpu-thermal.dtsi"
+		#include "omap5-gpu-thermal.dtsi"
+		#include "omap5-core-thermal.dtsi"
+	};
+
 	timer {
 		compatible = "arm,armv7-timer";
 		/* PPI secure/nonsecure IRQ */
@@ -711,6 +717,9 @@
 			       0x4a0023C0 0x3c>;
 			interrupts = <GIC_SPI 126 IRQ_TYPE_LEVEL_HIGH>;
 			compatible = "ti,omap5430-bandgap";
+			monitored-zones = <&cpu_thermal 0>,
+					  <&gpu_thermal 1>,
+					  <&core_thermal 2>;
 		};
 	};
 };
-- 
1.8.2.1.342.gfa7285d

[RFC PATCH 14/14] arm: dts: point to cooling-zones on omap5 cpu node

[Eduardo Valentin]

OMAP5 devices can reach high temperatures and thus
needs to have cpufreq-cooling on systems running on it.

This patch links the cpu node to its thermal-zone
so that cpufreq-cpu0 driver loads the cooling device.

Cc: "Benoît Cousson" <b-cousson@linaro.org>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Stephen Warren <swarren@wwwdotorg.org>
Cc: Ian Campbell <ian.campbell@citrix.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: linux-omap@vger.kernel.org
Cc: devicetree@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
---
 arch/arm/boot/dts/omap5.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/dts/omap5.dtsi b/arch/arm/boot/dts/omap5.dtsi
index 4a33fe0..335fcea 100644
--- a/arch/arm/boot/dts/omap5.dtsi
+++ b/arch/arm/boot/dts/omap5.dtsi
@@ -37,6 +37,7 @@
 			device_type = "cpu";
 			compatible = "arm,cortex-a15";
 			reg = <0x0>;
+			cooling-zones = <&cpu_thermal>;
 		};
 		cpu@1 {
 			device_type = "cpu";
-- 
1.8.2.1.342.gfa7285d