From 0bbf6c54d100836db40ba020b7c9793ea3e6be0b Mon Sep 17 00:00:00 2001 From: Eduardo Valentin Date: Fri, 16 Aug 2013 11:55:10 -0400 Subject: arm: dts: add omap4 CPU thermal data MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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" Cc: Tony Lindgren Cc: Rob Herring Cc: Pawel Moll Cc: Mark Rutland Cc: Stephen Warren Cc: Ian Campbell Cc: Russell King 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 --- arch/arm/boot/dts/omap4-cpu-thermal.dtsi | 41 ++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 arch/arm/boot/dts/omap4-cpu-thermal.dtsi (limited to 'arch/arm') 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 000000000000..cb9458feb2e3 --- /dev/null +++ b/arch/arm/boot/dts/omap4-cpu-thermal.dtsi @@ -0,0 +1,41 @@ +/* + * Device Tree Source for OMAP4/5 SoC CPU thermal + * + * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/ + * Contact: Eduardo Valentin + * + * 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 + +cpu_thermal: cpu_thermal { + polling-delay-passive = <250>; /* milliseconds */ + polling-delay = <1000>; /* milliseconds */ + + /* sensor ID */ + thermal-sensors = <&bandgap 0>; + + trips { + cpu_alert0: cpu_alert { + temperature = <100000>; /* millicelsius */ + hysteresis = <2000>; /* millicelsius */ + type = "passive"; + }; + cpu_crit: cpu_crit { + temperature = <125000>; /* millicelsius */ + hysteresis = <2000>; /* millicelsius */ + type = "critical"; + }; + }; + + cooling-maps { + map0 { + trip = <&cpu_alert0>; + cooling-device = + <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; +}; -- cgit v1.2.2 From aa9bb4bb8878ff83503842ff9f442cf3d0c95cf9 Mon Sep 17 00:00:00 2001 From: Eduardo Valentin Date: Thu, 4 Jul 2013 19:16:26 -0400 Subject: arm: dts: add omap4430 thermal data MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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" Cc: Tony Lindgren Cc: Russell King 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 --- arch/arm/boot/dts/omap443x.dtsi | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'arch/arm') diff --git a/arch/arm/boot/dts/omap443x.dtsi b/arch/arm/boot/dts/omap443x.dtsi index bcf455efe18d..dc2f60b68930 100644 --- a/arch/arm/boot/dts/omap443x.dtsi +++ b/arch/arm/boot/dts/omap443x.dtsi @@ -12,7 +12,7 @@ / { cpus { - cpu@0 { + cpu0: cpu@0 { /* OMAP443x variants OPP50-OPPNT */ operating-points = < /* kHz uV */ @@ -25,9 +25,15 @@ }; }; - bandgap { + thermal-zones { + #include "omap4-cpu-thermal.dtsi" + }; + + bandgap: bandgap { reg = <0x4a002260 0x4 0x4a00232C 0x4>; compatible = "ti,omap4430-bandgap"; + + #thermal-sensor-cells = <0>; }; }; -- cgit v1.2.2 From 8af51b0ff4089f1bc734259deb57d39520d38f92 Mon Sep 17 00:00:00 2001 From: Eduardo Valentin Date: Fri, 16 Aug 2013 12:02:28 -0400 Subject: arm: dts: add omap4460 thermal data MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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" Cc: Tony Lindgren Cc: Rob Herring Cc: Pawel Moll Cc: Mark Rutland Cc: Stephen Warren Cc: Ian Campbell Cc: Russell King 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 --- arch/arm/boot/dts/omap4460.dtsi | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'arch/arm') diff --git a/arch/arm/boot/dts/omap4460.dtsi b/arch/arm/boot/dts/omap4460.dtsi index c2f0f39b5a24..3caf71f31cb9 100644 --- a/arch/arm/boot/dts/omap4460.dtsi +++ b/arch/arm/boot/dts/omap4460.dtsi @@ -12,7 +12,7 @@ / { cpus { /* OMAP446x 'standard device' variants OPP50 to OPPTurbo */ - cpu@0 { + cpu0: cpu@0 { operating-points = < /* kHz uV */ 350000 1025000 @@ -30,12 +30,18 @@ ti,hwmods = "debugss"; }; - bandgap { + thermal-zones { + #include "omap4-cpu-thermal.dtsi" + }; + + bandgap: bandgap { reg = <0x4a002260 0x4 0x4a00232C 0x4 0x4a002378 0x18>; compatible = "ti,omap4460-bandgap"; interrupts = <0 126 IRQ_TYPE_LEVEL_HIGH>; /* talert */ gpios = <&gpio3 22 0>; /* tshut */ + + #thermal-sensor-cells = <0>; }; }; -- cgit v1.2.2 From 72af5e6d0c3e01655c1c1fc7c7ca94a2b663611e Mon Sep 17 00:00:00 2001 From: Eduardo Valentin Date: Mon, 15 Jul 2013 09:46:31 -0400 Subject: arm: dts: add cooling properties on omap4430 cpu node MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit OMAP4430 devices can reach high temperatures and thus needs to have cpufreq-cooling on systems running on it. This patch adds the required cooling device properties so that cpufreq-cpu0 driver loads the cooling device. Cc: "Benoît Cousson" Cc: Tony Lindgren Cc: Russell King 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 --- arch/arm/boot/dts/omap443x.dtsi | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'arch/arm') diff --git a/arch/arm/boot/dts/omap443x.dtsi b/arch/arm/boot/dts/omap443x.dtsi index dc2f60b68930..11441336c4c7 100644 --- a/arch/arm/boot/dts/omap443x.dtsi +++ b/arch/arm/boot/dts/omap443x.dtsi @@ -22,6 +22,11 @@ 1008000 1375000 >; clock-latency = <300000>; /* From legacy driver */ + + /* cooling options */ + cooling-min-level = <0>; + cooling-max-level = <3>; + #cooling-cells = <2>; /* min followed by max */ }; }; -- cgit v1.2.2 From 616a66351d6cd4a9bdb20fe49ee2505d9cc8a0db Mon Sep 17 00:00:00 2001 From: Eduardo Valentin Date: Fri, 16 Aug 2013 11:28:29 -0400 Subject: arm: dts: add cooling properties on omap4460 cpu node MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit OMAP4460 devices can reach high temperatures and thus needs to have cpufreq-cooling on systems running on it. This patch adds the required cooling device properties so that cpufreq-cpu0 driver loads the cooling device. Cc: "Benoît Cousson" Cc: Tony Lindgren Cc: Rob Herring Cc: Pawel Moll Cc: Mark Rutland Cc: Stephen Warren Cc: Ian Campbell Cc: Russell King 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 --- arch/arm/boot/dts/omap4460.dtsi | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'arch/arm') diff --git a/arch/arm/boot/dts/omap4460.dtsi b/arch/arm/boot/dts/omap4460.dtsi index 3caf71f31cb9..65b02fc0a20f 100644 --- a/arch/arm/boot/dts/omap4460.dtsi +++ b/arch/arm/boot/dts/omap4460.dtsi @@ -20,6 +20,11 @@ 920000 1313000 >; clock-latency = <300000>; /* From legacy driver */ + + /* cooling options */ + cooling-min-level = <0>; + cooling-max-level = <2>; + #cooling-cells = <2>; /* min followed by max */ }; }; -- cgit v1.2.2 From 28c90169f1d5eabf503e356c76bf49a67aef4cc0 Mon Sep 17 00:00:00 2001 From: Eduardo Valentin Date: Fri, 16 Aug 2013 11:57:33 -0400 Subject: arm: dts: add omap5 GPU thermal data MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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" Cc: Tony Lindgren Cc: Rob Herring Cc: Pawel Moll Cc: Mark Rutland Cc: Stephen Warren Cc: Ian Campbell Cc: Russell King 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 --- arch/arm/boot/dts/omap5-gpu-thermal.dtsi | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 arch/arm/boot/dts/omap5-gpu-thermal.dtsi (limited to 'arch/arm') 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 000000000000..1b87aca88b77 --- /dev/null +++ b/arch/arm/boot/dts/omap5-gpu-thermal.dtsi @@ -0,0 +1,28 @@ +/* + * Device Tree Source for OMAP543x SoC GPU thermal + * + * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/ + * Contact: Eduardo Valentin + * + * 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 + +gpu_thermal: gpu_thermal { + polling-delay-passive = <250>; /* milliseconds */ + polling-delay = <1000>; /* milliseconds */ + + /* sensor ID */ + thermal-sensors = <&bandgap 1>; + + trips { + gpu_crit: gpu_crit { + temperature = <125000>; /* milliCelsius */ + hysteresis = <2000>; /* milliCelsius */ + type = "critical"; + }; + }; +}; -- cgit v1.2.2 From dcb5004fceeb15f0fdfc4a2b8cd68c6ad515a80b Mon Sep 17 00:00:00 2001 From: Eduardo Valentin Date: Fri, 16 Aug 2013 11:58:45 -0400 Subject: arm: dts: add omap5 CORE thermal data MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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" Cc: Tony Lindgren Cc: Rob Herring Cc: Pawel Moll Cc: Mark Rutland Cc: Stephen Warren Cc: Ian Campbell Cc: Russell King 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 --- arch/arm/boot/dts/omap5-core-thermal.dtsi | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 arch/arm/boot/dts/omap5-core-thermal.dtsi (limited to 'arch/arm') 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 000000000000..19212ac6eef0 --- /dev/null +++ b/arch/arm/boot/dts/omap5-core-thermal.dtsi @@ -0,0 +1,28 @@ +/* + * Device Tree Source for OMAP543x SoC CORE thermal + * + * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/ + * Contact: Eduardo Valentin + * + * 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 + +core_thermal: core_thermal { + polling-delay-passive = <250>; /* milliseconds */ + polling-delay = <1000>; /* milliseconds */ + + /* sensor ID */ + thermal-sensors = <&bandgap 2>; + + trips { + core_crit: core_crit { + temperature = <125000>; /* milliCelsius */ + hysteresis = <2000>; /* milliCelsius */ + type = "critical"; + }; + }; +}; -- cgit v1.2.2 From 1b761fc500dd12109730df8054397e422e0bef39 Mon Sep 17 00:00:00 2001 From: Eduardo Valentin Date: Fri, 16 Aug 2013 12:01:02 -0400 Subject: arm: dts: add omap5 thermal data MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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" Cc: Tony Lindgren Cc: Rob Herring Cc: Pawel Moll Cc: Mark Rutland Cc: Stephen Warren Cc: Ian Campbell Cc: Russell King 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 --- arch/arm/boot/dts/omap5.dtsi | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) (limited to 'arch/arm') diff --git a/arch/arm/boot/dts/omap5.dtsi b/arch/arm/boot/dts/omap5.dtsi index fc3fad563861..7dfe36262d7f 100644 --- a/arch/arm/boot/dts/omap5.dtsi +++ b/arch/arm/boot/dts/omap5.dtsi @@ -57,6 +57,12 @@ }; }; + 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 */ @@ -729,13 +735,15 @@ }; }; - bandgap@4a0021e0 { + bandgap: bandgap@4a0021e0 { reg = <0x4a0021e0 0xc 0x4a00232c 0xc 0x4a002380 0x2c 0x4a0023C0 0x3c>; interrupts = ; compatible = "ti,omap5430-bandgap"; + + #thermal-sensor-cells = <1>; }; }; }; -- cgit v1.2.2 From 2cd29f6308b81fdf3756307c37bda267a93c1650 Mon Sep 17 00:00:00 2001 From: Eduardo Valentin Date: Fri, 16 Aug 2013 11:30:47 -0400 Subject: arm: dts: add cooling properties on omap5 cpu node MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit OMAP5 devices can reach high temperatures and thus needs to have cpufreq-cooling on systems running on it. This patch adds the required cooling device properties so that cpufreq-cpu0 driver loads the cooling device. Cc: "Benoît Cousson" Cc: Tony Lindgren Cc: Rob Herring Cc: Pawel Moll Cc: Mark Rutland Cc: Stephen Warren Cc: Ian Campbell Cc: Russell King 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 --- arch/arm/boot/dts/omap5.dtsi | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'arch/arm') diff --git a/arch/arm/boot/dts/omap5.dtsi b/arch/arm/boot/dts/omap5.dtsi index 7dfe36262d7f..ab9a21ae82f3 100644 --- a/arch/arm/boot/dts/omap5.dtsi +++ b/arch/arm/boot/dts/omap5.dtsi @@ -49,6 +49,10 @@ 1000000 1060000 1500000 1250000 >; + /* cooling options */ + cooling-min-level = <0>; + cooling-max-level = <2>; + #cooling-cells = <2>; /* min followed by max */ }; cpu@1 { device_type = "cpu"; -- cgit v1.2.2 From 977a352867ae4166fb26339464ba608c27f1aa5e Mon Sep 17 00:00:00 2001 From: Eduardo Valentin Date: Tue, 12 Nov 2013 12:30:07 -0400 Subject: arm: dts: make OMAP443x bandgap node to belong to OCP MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Small fix on representation. Bandgap node belongs to OCP. Cc: "Benoît Cousson" Cc: Tony Lindgren Cc: Rob Herring Cc: Pawel Moll Cc: Mark Rutland Cc: Stephen Warren Cc: Ian Campbell Cc: Russell King Cc: linux-omap@vger.kernel.org Cc: devicetree@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Suggested-by: Nishanth Menon Signed-off-by: Eduardo Valentin --- arch/arm/boot/dts/omap443x.dtsi | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) (limited to 'arch/arm') diff --git a/arch/arm/boot/dts/omap443x.dtsi b/arch/arm/boot/dts/omap443x.dtsi index 11441336c4c7..ab607a19a613 100644 --- a/arch/arm/boot/dts/omap443x.dtsi +++ b/arch/arm/boot/dts/omap443x.dtsi @@ -34,11 +34,13 @@ #include "omap4-cpu-thermal.dtsi" }; - bandgap: bandgap { - reg = <0x4a002260 0x4 - 0x4a00232C 0x4>; - compatible = "ti,omap4430-bandgap"; + ocp { + bandgap: bandgap { + reg = <0x4a002260 0x4 + 0x4a00232C 0x4>; + compatible = "ti,omap4430-bandgap"; - #thermal-sensor-cells = <0>; + #thermal-sensor-cells = <0>; + }; }; }; -- cgit v1.2.2 From 135df807c3d3ea152ac86ec6f27837a60f41ca6b Mon Sep 17 00:00:00 2001 From: Eduardo Valentin Date: Tue, 12 Nov 2013 12:33:15 -0400 Subject: arm: dts: make OMAP4460 bandgap node to belong to OCP MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Small fix on representation. Bandgap node belongs to OCP. Cc: "Benoît Cousson" Cc: Tony Lindgren Cc: Rob Herring Cc: Pawel Moll Cc: Mark Rutland Cc: Stephen Warren Cc: Ian Campbell Cc: Russell King Cc: linux-omap@vger.kernel.org Cc: devicetree@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Suggested-by: Nishanth Menon Signed-off-by: Eduardo Valentin --- arch/arm/boot/dts/omap4460.dtsi | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-) (limited to 'arch/arm') diff --git a/arch/arm/boot/dts/omap4460.dtsi b/arch/arm/boot/dts/omap4460.dtsi index 65b02fc0a20f..11566bed0035 100644 --- a/arch/arm/boot/dts/omap4460.dtsi +++ b/arch/arm/boot/dts/omap4460.dtsi @@ -39,14 +39,16 @@ #include "omap4-cpu-thermal.dtsi" }; - bandgap: bandgap { - reg = <0x4a002260 0x4 - 0x4a00232C 0x4 - 0x4a002378 0x18>; - compatible = "ti,omap4460-bandgap"; - interrupts = <0 126 IRQ_TYPE_LEVEL_HIGH>; /* talert */ - gpios = <&gpio3 22 0>; /* tshut */ + ocp { + bandgap: bandgap { + reg = <0x4a002260 0x4 + 0x4a00232C 0x4 + 0x4a002378 0x18>; + compatible = "ti,omap4460-bandgap"; + interrupts = <0 126 IRQ_TYPE_LEVEL_HIGH>; /* talert */ + gpios = <&gpio3 22 0>; /* tshut */ - #thermal-sensor-cells = <0>; + #thermal-sensor-cells = <0>; + }; }; }; -- cgit v1.2.2