[PATCH 1/7] dt-bindings: Update QorIQ TMU thermal bindings

[PATCH 1/7] dt-bindings: Update QorIQ TMU thermal bindings

[Jia Hongtao]

For different types of SoC the sensor id and endianness may vary.
"#thermal-sensor-cells" is used to provide sensor id information.
"little-endian" property is to tell the endianness of TMU.

Signed-off-by: Jia Hongtao <hongtao.jia@nxp.com>
---
 .../devicetree/bindings/thermal/qoriq-thermal.txt     | 19 +++++++++++++------
 1 file changed, 13 insertions(+), 6 deletions(-)

diff --git a/Documentation/devicetree/bindings/thermal/qoriq-thermal.txt b/Documentation/devicetree/bindings/thermal/qoriq-thermal.txt
index 66223d5..8eeef80 100644
--- a/Documentation/devicetree/bindings/thermal/qoriq-thermal.txt
+++ b/Documentation/devicetree/bindings/thermal/qoriq-thermal.txt
@@ -1,22 +1,28 @@
 * Thermal Monitoring Unit (TMU) on Freescale QorIQ SoCs
 
 Required properties:
-- compatible : Must include "fsl,qoriq-tmu". The version of the device is
+- compatible: Must include "fsl,qoriq-tmu". The version of the device is
 	determined by the TMU IP Block Revision Register (IPBRR0) at
 	offset 0x0BF8.
-	Table of correspondences between IPBRR0 values and example  chips:
+	Table of correspondences between IPBRR0 values and example chips:
 		Value           Device
 		----------      -----
 		0x01900102      T1040
-- reg : Address range of TMU registers.
-- interrupts : Contains the interrupt for TMU.
-- fsl,tmu-range : The values to be programmed into TTRnCR, as specified by
+- reg: Address range of TMU registers.
+- interrupts: Contains the interrupt for TMU.
+- fsl,tmu-range: The values to be programmed into TTRnCR, as specified by
 	the SoC reference manual. The first cell is TTR0CR, the second is
 	TTR1CR, etc.
-- fsl,tmu-calibration : A list of cell pairs containing temperature
+- fsl,tmu-calibration: A list of cell pairs containing temperature
 	calibration data, as specified by the SoC reference manual.
 	The first cell of each pair is the value to be written to TTCFGR,
 	and the second is the value to be written to TSCFGR.
+- #thermal-sensor-cells: Must be 1. The sensor specifier is the monitoring
+	site ID, and represents the "n" in TRITSRn and TRATSRn.
+
+Optional property:
+- little-endian: If present, the TMU registers are little endian.  If absent,
+	the default is big endian.
 
 Example:
 
@@ -60,4 +66,5 @@ tmu@f0000 {
 
 			       0x00030000 0x00000012
 			       0x00030001 0x0000001d>;
+	#thermal-sensor-cells = <1>;
 };
-- 
2.1.0.27.g96db324

[PATCH 2/7] powerpc/mpc85xx: Update TMU device tree node for T1040/T1042

[Jia Hongtao]

SoC compatible string and endianness property are added according to the
new bindings.

Signed-off-by: Jia Hongtao <hongtao.jia@nxp.com>
---
 arch/powerpc/boot/dts/fsl/t1040si-post.dtsi | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/boot/dts/fsl/t1040si-post.dtsi b/arch/powerpc/boot/dts/fsl/t1040si-post.dtsi
index 507649e..089eb56 100644
--- a/arch/powerpc/boot/dts/fsl/t1040si-post.dtsi
+++ b/arch/powerpc/boot/dts/fsl/t1040si-post.dtsi
@@ -526,7 +526,7 @@
 
 				       0x00030000 0x00000012
 				       0x00030001 0x0000001d>;
-		#thermal-sensor-cells = <0>;
+		#thermal-sensor-cells = <1>;
 	};
 
 	thermal-zones {
@@ -534,7 +534,7 @@
 			polling-delay-passive = <1000>;
 			polling-delay = <5000>;
 
-			thermal-sensors = <&tmu>;
+			thermal-sensors = <&tmu 2>;
 
 			trips {
 				cpu_alert: cpu-alert {
-- 
2.1.0.27.g96db324

[PATCH 3/7] powerpc/mpc85xx: Update TMU device tree node for T1023/T1024

[Jia Hongtao]

SoC compatible string and endianness property are added according to the
new bindings.

Signed-off-by: Jia Hongtao <hongtao.jia@nxp.com>
---
 arch/powerpc/boot/dts/fsl/t1023si-post.dtsi | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/boot/dts/fsl/t1023si-post.dtsi b/arch/powerpc/boot/dts/fsl/t1023si-post.dtsi
index 6e0b489..bce762a 100644
--- a/arch/powerpc/boot/dts/fsl/t1023si-post.dtsi
+++ b/arch/powerpc/boot/dts/fsl/t1023si-post.dtsi
@@ -321,7 +321,7 @@
 				       0x00030001 0x0000000d
 				       0x00030002 0x00000019
 				       0x00030003 0x00000024>;
-		#thermal-sensor-cells = <0>;
+		#thermal-sensor-cells = <1>;
 	};
 
 	thermal-zones {
@@ -329,7 +329,7 @@
 			polling-delay-passive = <1000>;
 			polling-delay = <5000>;
 
-			thermal-sensors = <&tmu>;
+			thermal-sensors = <&tmu 0>;
 
 			trips {
 				cpu_alert: cpu-alert {
-- 
2.1.0.27.g96db324

[PATCH 4/7] arm:dt:ls1021a: Add TMU device tree support for LS1021A

[Jia Hongtao]

Also add nodes and properties for thermal management support.

Signed-off-by: Jia Hongtao <hongtao.jia@nxp.com>
---
 arch/arm/boot/dts/ls1021a.dtsi | 84 +++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 82 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/ls1021a.dtsi b/arch/arm/boot/dts/ls1021a.dtsi
index 5ae8e92..1bac9d8 100644
--- a/arch/arm/boot/dts/ls1021a.dtsi
+++ b/arch/arm/boot/dts/ls1021a.dtsi
@@ -47,6 +47,7 @@
 
 #include "skeleton64.dtsi"
 #include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/thermal/thermal.h>
 
 / {
 	compatible = "fsl,ls1021a";
@@ -70,14 +71,15 @@
 		#address-cells = <1>;
 		#size-cells = <0>;
 
-		cpu@f00 {
+		cpu0: cpu@f00 {
 			compatible = "arm,cortex-a7";
 			device_type = "cpu";
 			reg = <0xf00>;
 			clocks = <&cluster1_clk>;
+			#cooling-cells = <2>;
 		};
 
-		cpu@f01 {
+		cpu1: cpu@f01 {
 			compatible = "arm,cortex-a7";
 			device_type = "cpu";
 			reg = <0xf01>;
@@ -251,6 +253,84 @@
 			};
 		};
 
+		tmu: tmu@1f00000 {
+			compatible = "fsl,qoriq-tmu";
+			reg = <0x0 0x1f00000 0x0 0x10000>;
+			interrupts = <GIC_SPI 61 IRQ_TYPE_LEVEL_HIGH>;
+			fsl,tmu-range = <0xb0000 0xa0026 0x80048 0x30061>;
+			fsl,tmu-calibration = <0x00000000 0x0000000f
+					       0x00000001 0x00000017
+					       0x00000002 0x0000001e
+					       0x00000003 0x00000026
+					       0x00000004 0x0000002e
+					       0x00000005 0x00000035
+					       0x00000006 0x0000003d
+					       0x00000007 0x00000044
+					       0x00000008 0x0000004c
+					       0x00000009 0x00000053
+					       0x0000000a 0x0000005b
+					       0x0000000b 0x00000064
+
+					       0x00010000 0x00000011
+					       0x00010001 0x0000001c
+					       0x00010002 0x00000024
+					       0x00010003 0x0000002b
+					       0x00010004 0x00000034
+					       0x00010005 0x00000039
+					       0x00010006 0x00000042
+					       0x00010007 0x0000004c
+					       0x00010008 0x00000051
+					       0x00010009 0x0000005a
+					       0x0001000a 0x00000063
+
+					       0x00020000 0x00000013
+					       0x00020001 0x00000019
+					       0x00020002 0x00000024
+					       0x00020003 0x0000002c
+					       0x00020004 0x00000035
+					       0x00020005 0x0000003d
+					       0x00020006 0x00000046
+					       0x00020007 0x00000050
+					       0x00020008 0x00000059
+
+					       0x00030000 0x00000002
+					       0x00030001 0x0000000d
+					       0x00030002 0x00000019
+					       0x00030003 0x00000024>;
+			#thermal-sensor-cells = <1>;
+		};
+
+		thermal-zones {
+			cpu_thermal: cpu-thermal {
+				polling-delay-passive = <1000>;
+				polling-delay = <5000>;
+
+				thermal-sensors = <&tmu 0>;
+
+				trips {
+					cpu_alert: cpu-alert {
+						temperature = <85000>;
+						hysteresis = <2000>;
+						type = "passive";
+					};
+					cpu_crit: cpu-crit {
+						temperature = <95000>;
+						hysteresis = <2000>;
+						type = "critical";
+					};
+				};
+
+				cooling-maps {
+					map0 {
+						trip = <&cpu_alert>;
+						cooling-device =
+							<&cpu0 THERMAL_NO_LIMIT
+							THERMAL_NO_LIMIT>;
+					};
+				};
+			};
+		};
+
 		dspi0: dspi@2100000 {
 			compatible = "fsl,ls1021a-v1.0-dspi";
 			#address-cells = <1>;
-- 
2.1.0.27.g96db324

[PATCH 5/7] arm64:dt:ls1043a: Add TMU device tree support for LS1043A

[Jia Hongtao]

Also add nodes and properties for thermal management support.

Signed-off-by: Jia Hongtao <hongtao.jia@nxp.com>
---
 arch/arm64/boot/dts/freescale/fsl-ls1043a-qds.dts |  2 +-
 arch/arm64/boot/dts/freescale/fsl-ls1043a-rdb.dts |  2 +-
 arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi    | 78 +++++++++++++++++++++++
 3 files changed, 80 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1043a-qds.dts b/arch/arm64/boot/dts/freescale/fsl-ls1043a-qds.dts
index 9d3e9fe..fa447b6 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1043a-qds.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1043a-qds.dts
@@ -45,7 +45,7 @@
  */
 
 /dts-v1/;
-/include/ "fsl-ls1043a.dtsi"
+#include "fsl-ls1043a.dtsi"
 
 / {
 	model = "LS1043A QDS Board";
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1043a-rdb.dts b/arch/arm64/boot/dts/freescale/fsl-ls1043a-rdb.dts
index f895fc0..6015d88 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1043a-rdb.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1043a-rdb.dts
@@ -45,7 +45,7 @@
  */
 
 /dts-v1/;
-/include/ "fsl-ls1043a.dtsi"
+#include "fsl-ls1043a.dtsi"
 
 / {
 	model = "LS1043A RDB Board";
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi
index de0323b..4004273 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi
@@ -44,6 +44,8 @@
  *     OTHER DEALINGS IN THE SOFTWARE.
  */
 
+#include <dt-bindings/thermal/thermal.h>
+
 / {
 	compatible = "fsl,ls1043a";
 	interrupt-parent = <&gic>;
@@ -65,6 +67,7 @@
 			compatible = "arm,cortex-a53";
 			reg = <0x0 0x0>;
 			clocks = <&clockgen 1 0>;
+			#cooling-cells = <2>;
 		};
 
 		cpu1: cpu@1 {
@@ -196,6 +199,81 @@
 			bus-width = <4>;
 		};
 
+		tmu: tmu@1f00000 {
+			compatible = "fsl,qoriq-tmu";
+			reg = <0x0 0x1f00000 0x0 0x10000>;
+			interrupts = <0 33 0x4>;
+			fsl,tmu-range = <0xb0000 0x9002a 0x6004c 0x30062>;
+			fsl,tmu-calibration = <0x00000000 0x00000026
+					       0x00000001 0x0000002d
+					       0x00000002 0x00000032
+					       0x00000003 0x00000039
+					       0x00000004 0x0000003f
+					       0x00000005 0x00000046
+					       0x00000006 0x0000004d
+					       0x00000007 0x00000054
+					       0x00000008 0x0000005a
+					       0x00000009 0x00000061
+					       0x0000000a 0x0000006a
+					       0x0000000b 0x00000071
+
+					       0x00010000 0x00000025
+					       0x00010001 0x0000002c
+					       0x00010002 0x00000035
+					       0x00010003 0x0000003d
+					       0x00010004 0x00000045
+					       0x00010005 0x0000004e
+					       0x00010006 0x00000057
+					       0x00010007 0x00000061
+					       0x00010008 0x0000006b
+					       0x00010009 0x00000076
+
+					       0x00020000 0x00000029
+					       0x00020001 0x00000033
+					       0x00020002 0x0000003d
+					       0x00020003 0x00000049
+					       0x00020004 0x00000056
+					       0x00020005 0x00000061
+					       0x00020006 0x0000006d
+
+					       0x00030000 0x00000021
+					       0x00030001 0x0000002a
+					       0x00030002 0x0000003c
+					       0x00030003 0x0000004e>;
+			#thermal-sensor-cells = <1>;
+		};
+
+		thermal-zones {
+			cpu_thermal: cpu-thermal {
+				polling-delay-passive = <1000>;
+				polling-delay = <5000>;
+
+				thermal-sensors = <&tmu 3>;
+
+				trips {
+					cpu_alert: cpu-alert {
+						temperature = <85000>;
+						hysteresis = <2000>;
+						type = "passive";
+					};
+					cpu_crit: cpu-crit {
+						temperature = <95000>;
+						hysteresis = <2000>;
+						type = "critical";
+					};
+				};
+
+				cooling-maps {
+					map0 {
+						trip = <&cpu_alert>;
+						cooling-device =
+							<&cpu0 THERMAL_NO_LIMIT
+							THERMAL_NO_LIMIT>;
+					};
+				};
+			};
+		};
+
 		dspi0: dspi@2100000 {
 			compatible = "fsl,ls1043a-dspi", "fsl,ls1021a-v1.0-dspi";
 			#address-cells = <1>;
-- 
2.1.0.27.g96db324

[PATCH 6/7] arm64:dt:ls2080a: Add TMU device tree support for LS2080A

[Jia Hongtao]

Also add nodes and properties for thermal management support.

Signed-off-by: Jia Hongtao <hongtao.jia@nxp.com>
---
 arch/arm64/boot/dts/freescale/fsl-ls2080a-qds.dts  |   2 +-
 arch/arm64/boot/dts/freescale/fsl-ls2080a-rdb.dts  |   2 +-
 arch/arm64/boot/dts/freescale/fsl-ls2080a-simu.dts |   2 +-
 arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi     | 116 +++++++++++++++++++--
 4 files changed, 111 insertions(+), 11 deletions(-)

diff --git a/arch/arm64/boot/dts/freescale/fsl-ls2080a-qds.dts b/arch/arm64/boot/dts/freescale/fsl-ls2080a-qds.dts
index e8801fa..18e99f4 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls2080a-qds.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-ls2080a-qds.dts
@@ -46,7 +46,7 @@
 
 /dts-v1/;
 
-/include/ "fsl-ls2080a.dtsi"
+#include "fsl-ls2080a.dtsi"
 
 / {
 	model = "Freescale Layerscape 2080a QDS Board";
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls2080a-rdb.dts b/arch/arm64/boot/dts/freescale/fsl-ls2080a-rdb.dts
index e127f0b..f1c8115 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls2080a-rdb.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-ls2080a-rdb.dts
@@ -46,7 +46,7 @@
 
 /dts-v1/;
 
-/include/ "fsl-ls2080a.dtsi"
+#include "fsl-ls2080a.dtsi"
 
 / {
 	model = "Freescale Layerscape 2080a RDB Board";
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls2080a-simu.dts b/arch/arm64/boot/dts/freescale/fsl-ls2080a-simu.dts
index 505d038..290604b 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls2080a-simu.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-ls2080a-simu.dts
@@ -46,7 +46,7 @@
 
 /dts-v1/;
 
-/include/ "fsl-ls2080a.dtsi"
+#include "fsl-ls2080a.dtsi"
 
 / {
 	model = "Freescale Layerscape 2080a software Simulator model";
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi
index 3187c82..5cc27df 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi
@@ -44,6 +44,8 @@
  *     OTHER DEALINGS IN THE SOFTWARE.
  */
 
+#include <dt-bindings/thermal/thermal.h>
+
 / {
 	compatible = "fsl,ls2080a";
 	interrupt-parent = <&gic>;
@@ -62,56 +64,60 @@
 		 */
 
 		/* We have 4 clusters having 2 Cortex-A57 cores each */
-		cpu@0 {
+		cpu0: cpu@0 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a57";
 			reg = <0x0 0x0>;
 			clocks = <&clockgen 1 0>;
+			#cooling-cells = <2>;
 		};
 
-		cpu@1 {
+		cpu1: cpu@1 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a57";
 			reg = <0x0 0x1>;
 			clocks = <&clockgen 1 0>;
 		};
 
-		cpu@100 {
+		cpu2: cpu@100 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a57";
 			reg = <0x0 0x100>;
 			clocks = <&clockgen 1 1>;
+			#cooling-cells = <2>;
 		};
 
-		cpu@101 {
+		cpu3: cpu@101 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a57";
 			reg = <0x0 0x101>;
 			clocks = <&clockgen 1 1>;
 		};
 
-		cpu@200 {
+		cpu4: cpu@200 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a57";
 			reg = <0x0 0x200>;
 			clocks = <&clockgen 1 2>;
+			#cooling-cells = <2>;
 		};
 
-		cpu@201 {
+		cpu5: cpu@201 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a57";
 			reg = <0x0 0x201>;
 			clocks = <&clockgen 1 2>;
 		};
 
-		cpu@300 {
+		cpu6: cpu@300 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a57";
 			reg = <0x0 0x300>;
 			clocks = <&clockgen 1 3>;
+			#cooling-cells = <2>;
 		};
 
-		cpu@301 {
+		cpu7: cpu@301 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a57";
 			reg = <0x0 0x301>;
@@ -191,6 +197,100 @@
 			clocks = <&sysclk>;
 		};
 
+		tmu: tmu@1f80000 {
+			compatible = "fsl,qoriq-tmu";
+			reg = <0x0 0x1f80000 0x0 0x10000>;
+			interrupts = <0 23 0x4>;
+			fsl,tmu-range = <0xb0000 0x9002a 0x6004c 0x30062>;
+			fsl,tmu-calibration = <0x00000000 0x00000026
+					       0x00000001 0x0000002d
+					       0x00000002 0x00000032
+					       0x00000003 0x00000039
+					       0x00000004 0x0000003f
+					       0x00000005 0x00000046
+					       0x00000006 0x0000004d
+					       0x00000007 0x00000054
+					       0x00000008 0x0000005a
+					       0x00000009 0x00000061
+					       0x0000000a 0x0000006a
+					       0x0000000b 0x00000071
+
+					       0x00010000 0x00000025
+					       0x00010001 0x0000002c
+					       0x00010002 0x00000035
+					       0x00010003 0x0000003d
+					       0x00010004 0x00000045
+					       0x00010005 0x0000004e
+					       0x00010006 0x00000057
+					       0x00010007 0x00000061
+					       0x00010008 0x0000006b
+					       0x00010009 0x00000076
+
+					       0x00020000 0x00000029
+					       0x00020001 0x00000033
+					       0x00020002 0x0000003d
+					       0x00020003 0x00000049
+					       0x00020004 0x00000056
+					       0x00020005 0x00000061
+					       0x00020006 0x0000006d
+
+					       0x00030000 0x00000021
+					       0x00030001 0x0000002a
+					       0x00030002 0x0000003c
+					       0x00030003 0x0000004e>;
+			little-endian;
+			#thermal-sensor-cells = <1>;
+		};
+
+		thermal-zones {
+			cpu_thermal: cpu-thermal {
+				polling-delay-passive = <1000>;
+				polling-delay = <5000>;
+
+				thermal-sensors = <&tmu 4>;
+
+				trips {
+					cpu_alert: cpu-alert {
+						temperature = <75000>;
+						hysteresis = <2000>;
+						type = "passive";
+					};
+					cpu_crit: cpu-crit {
+						temperature = <85000>;
+						hysteresis = <2000>;
+						type = "critical";
+					};
+				};
+
+				cooling-maps {
+					map0 {
+						trip = <&cpu_alert>;
+						cooling-device =
+							<&cpu0 THERMAL_NO_LIMIT
+							THERMAL_NO_LIMIT>;
+					};
+					map1 {
+						trip = <&cpu_alert>;
+						cooling-device =
+							<&cpu2 THERMAL_NO_LIMIT
+							THERMAL_NO_LIMIT>;
+					};
+					map2 {
+						trip = <&cpu_alert>;
+						cooling-device =
+							<&cpu4 THERMAL_NO_LIMIT
+							THERMAL_NO_LIMIT>;
+					};
+					map3 {
+						trip = <&cpu_alert>;
+						cooling-device =
+							<&cpu6 THERMAL_NO_LIMIT
+							THERMAL_NO_LIMIT>;
+					};
+				};
+			};
+		};
+
 		serial0: serial@21c0500 {
 			compatible = "fsl,ns16550", "ns16550a";
 			reg = <0x0 0x21c0500 0x0 0x100>;
-- 
2.1.0.27.g96db324

[PATCH 7/7] thermal: qoriq: Add thermal management support

[Jia Hongtao]

This driver add thermal management support by enabling TMU (Thermal
Monitoring Unit) on QorIQ platform.

It's based on thermal of framework:
- Trip points defined in device tree.
- Cpufreq as cooling device registered in qoriq cpufreq driver.

Signed-off-by: Jia Hongtao <hongtao.jia@nxp.com>
---
 drivers/thermal/Kconfig         |   9 ++
 drivers/thermal/Makefile        |   1 +
 drivers/thermal/qoriq_thermal.c | 328 ++++++++++++++++++++++++++++++++++++++++
 3 files changed, 338 insertions(+)
 create mode 100644 drivers/thermal/qoriq_thermal.c

diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig
index 2d702ca..bef26cd 100644
--- a/drivers/thermal/Kconfig
+++ b/drivers/thermal/Kconfig
@@ -195,6 +195,15 @@ config IMX_THERMAL
 	  cpufreq is used as the cooling device to throttle CPUs when the
 	  passive trip is crossed.
 
+config QORIQ_THERMAL
+	tristate "QorIQ Thermal Monitoring Unit"
+	depends on THERMAL_OF
+	help
+	  Support for Thermal Monitoring Unit (TMU) found on QorIQ platforms.
+	  It supports one critical trip point and one passive trip point. The
+	  cpufreq is used as the cooling device to throttle CPUs when the
+	  passive trip is crossed.
+
 config SPEAR_THERMAL
 	tristate "SPEAr thermal sensor driver"
 	depends on PLAT_SPEAR || COMPILE_TEST
diff --git a/drivers/thermal/Makefile b/drivers/thermal/Makefile
index 10b07c1..6662232 100644
--- a/drivers/thermal/Makefile
+++ b/drivers/thermal/Makefile
@@ -37,6 +37,7 @@ obj-$(CONFIG_DB8500_THERMAL)	+= db8500_thermal.o
 obj-$(CONFIG_ARMADA_THERMAL)	+= armada_thermal.o
 obj-$(CONFIG_TANGO_THERMAL)	+= tango_thermal.o
 obj-$(CONFIG_IMX_THERMAL)	+= imx_thermal.o
+obj-$(CONFIG_QORIQ_THERMAL)	+= qoriq_thermal.o
 obj-$(CONFIG_DB8500_CPUFREQ_COOLING)	+= db8500_cpufreq_cooling.o
 obj-$(CONFIG_INTEL_POWERCLAMP)	+= intel_powerclamp.o
 obj-$(CONFIG_X86_PKG_TEMP_THERMAL)	+= x86_pkg_temp_thermal.o
diff --git a/drivers/thermal/qoriq_thermal.c b/drivers/thermal/qoriq_thermal.c
new file mode 100644
index 0000000..644ba52
--- /dev/null
+++ b/drivers/thermal/qoriq_thermal.c
@@ -0,0 +1,328 @@
+/*
+ * Copyright 2016 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/thermal.h>
+
+#include "thermal_core.h"
+
+#define SITES_MAX	16
+
+/*
+ * QorIQ TMU Registers
+ */
+struct qoriq_tmu_site_regs {
+	u32 tritsr;		/* Immediate Temperature Site Register */
+	u32 tratsr;		/* Average Temperature Site Register */
+	u8 res0[0x8];
+};
+
+struct qoriq_tmu_regs {
+	u32 tmr;		/* Mode Register */
+#define TMR_DISABLE	0x0
+#define TMR_ME		0x80000000
+#define TMR_ALPF	0x0c000000
+	u32 tsr;		/* Status Register */
+	u32 tmtmir;		/* Temperature measurement interval Register */
+#define TMTMIR_DEFAULT	0x0000000f
+	u8 res0[0x14];
+	u32 tier;		/* Interrupt Enable Register */
+#define TIER_DISABLE	0x0
+	u32 tidr;		/* Interrupt Detect Register */
+	u32 tiscr;		/* Interrupt Site Capture Register */
+	u32 ticscr;		/* Interrupt Critical Site Capture Register */
+	u8 res1[0x10];
+	u32 tmhtcrh;		/* High Temperature Capture Register */
+	u32 tmhtcrl;		/* Low Temperature Capture Register */
+	u8 res2[0x8];
+	u32 tmhtitr;		/* High Temperature Immediate Threshold */
+	u32 tmhtatr;		/* High Temperature Average Threshold */
+	u32 tmhtactr;	/* High Temperature Average Crit Threshold */
+	u8 res3[0x24];
+	u32 ttcfgr;		/* Temperature Configuration Register */
+	u32 tscfgr;		/* Sensor Configuration Register */
+	u8 res4[0x78];
+	struct qoriq_tmu_site_regs site[SITES_MAX];
+	u8 res5[0x9f8];
+	u32 ipbrr0;		/* IP Block Revision Register 0 */
+	u32 ipbrr1;		/* IP Block Revision Register 1 */
+	u8 res6[0x310];
+	u32 ttr0cr;		/* Temperature Range 0 Control Register */
+	u32 ttr1cr;		/* Temperature Range 1 Control Register */
+	u32 ttr2cr;		/* Temperature Range 2 Control Register */
+	u32 ttr3cr;		/* Temperature Range 3 Control Register */
+};
+
+/*
+ * Thermal zone data
+ */
+struct qoriq_tmu_data {
+	struct thermal_zone_device *tz;
+	struct qoriq_tmu_regs __iomem *regs;
+	int sensor_id;
+	bool little_endian;
+};
+
+static void tmu_write(struct qoriq_tmu_data *p, u32 val, void __iomem *addr)
+{
+	if (p->little_endian)
+		iowrite32(val, addr);
+	else
+		iowrite32be(val, addr);
+}
+
+static u32 tmu_read(struct qoriq_tmu_data *p, void __iomem *addr)
+{
+	if (p->little_endian)
+		return ioread32(addr);
+	else
+		return ioread32be(addr);
+}
+
+static int tmu_get_temp(void *p, int *temp)
+{
+	u32 val;
+	struct qoriq_tmu_data *data = p;
+
+	val = tmu_read(data, &data->regs->site[data->sensor_id].tritsr);
+	*temp = (val & 0xff) * 1000;
+
+	return 0;
+}
+
+static int qoriq_tmu_get_sensor_id(void)
+{
+	int ret, id;
+	struct of_phandle_args sensor_specs;
+	struct device_node *np, *sensor_np;
+
+	np = of_find_node_by_name(NULL, "thermal-zones");
+	if (!np)
+		return -ENODEV;
+
+	sensor_np = of_get_next_child(np, NULL);
+	ret = of_parse_phandle_with_args(sensor_np, "thermal-sensors",
+			"#thermal-sensor-cells",
+			0, &sensor_specs);
+	if (ret) {
+		of_node_put(np);
+		of_node_put(sensor_np);
+		return ret;
+	}
+
+	if (sensor_specs.args_count >= 1) {
+		id = sensor_specs.args[0];
+		WARN(sensor_specs.args_count > 1,
+				"%s: too many cells in sensor specifier %d\n",
+				sensor_specs.np->name, sensor_specs.args_count);
+	} else {
+		id = 0;
+	}
+
+	of_node_put(np);
+	of_node_put(sensor_np);
+
+	return id;
+}
+
+static int qoriq_tmu_calibration(struct platform_device *pdev)
+{
+	int i, val, len;
+	u32 range[4];
+	const u32 *calibration;
+	struct device_node *np = pdev->dev.of_node;
+	struct qoriq_tmu_data *data = platform_get_drvdata(pdev);
+
+	if (of_property_read_u32_array(np, "fsl,tmu-range", range, 4)) {
+		dev_err(&pdev->dev, "missing calibration range.\n");
+		return -ENODEV;
+	}
+
+	/* Init temperature range registers */
+	tmu_write(data, range[0], &data->regs->ttr0cr);
+	tmu_write(data, range[1], &data->regs->ttr1cr);
+	tmu_write(data, range[2], &data->regs->ttr2cr);
+	tmu_write(data, range[3], &data->regs->ttr3cr);
+
+	calibration = of_get_property(np, "fsl,tmu-calibration", &len);
+	if (calibration == NULL || len % 8) {
+		dev_err(&pdev->dev, "invalid calibration data.\n");
+		return -ENODEV;
+	}
+
+	for (i = 0; i < len; i += 8, calibration += 2) {
+		val = of_read_number(calibration, 1);
+		tmu_write(data, val, &data->regs->ttcfgr);
+		val = of_read_number(calibration + 1, 1);
+		tmu_write(data, val, &data->regs->tscfgr);
+	}
+
+	return 0;
+}
+
+static void qoriq_tmu_init_device(struct qoriq_tmu_data *data)
+{
+	/* Disable interrupt, using polling instead */
+	tmu_write(data, TIER_DISABLE, &data->regs->tier);
+
+	/* Set update_interval */
+	tmu_write(data, TMTMIR_DEFAULT, &data->regs->tmtmir);
+
+	/* Disable monitoring */
+	tmu_write(data, TMR_DISABLE, &data->regs->tmr);
+}
+
+static struct thermal_zone_of_device_ops tmu_tz_ops = {
+	.get_temp = tmu_get_temp,
+};
+
+static int qoriq_tmu_probe(struct platform_device *pdev)
+{
+	int ret;
+	const struct thermal_trip *trip;
+	struct qoriq_tmu_data *data;
+	struct device_node *np = pdev->dev.of_node;
+	u32 site = 0;
+
+	if (!np) {
+		dev_err(&pdev->dev, "Device OF-Node is NULL");
+		return -ENODEV;
+	}
+
+	data = devm_kzalloc(&pdev->dev, sizeof(struct qoriq_tmu_data),
+			    GFP_KERNEL);
+	if (!data)
+		return -ENOMEM;
+
+	platform_set_drvdata(pdev, data);
+
+	data->little_endian = of_property_read_bool(np, "little-endian");
+
+	data->sensor_id = qoriq_tmu_get_sensor_id();
+	if (data->sensor_id < 0) {
+		dev_err(&pdev->dev, "Failed to get sensor id\n");
+		ret = -ENODEV;
+		goto err_iomap;
+	}
+
+	data->regs = of_iomap(np, 0);
+	if (!data->regs) {
+		dev_err(&pdev->dev, "Failed to get memory region\n");
+		ret = -ENODEV;
+		goto err_iomap;
+	}
+
+	qoriq_tmu_init_device(data);	/* TMU initialization */
+
+	ret = qoriq_tmu_calibration(pdev);	/* TMU calibration */
+	if (ret < 0)
+		goto err_tmu;
+
+	data->tz = thermal_zone_of_sensor_register(&pdev->dev, data->sensor_id,
+				data, &tmu_tz_ops);
+	if (IS_ERR(data->tz)) {
+		ret = PTR_ERR(data->tz);
+		dev_err(&pdev->dev,
+			"Failed to register thermal zone device %d\n", ret);
+		goto err_tmu;
+	}
+
+	trip = of_thermal_get_trip_points(data->tz);
+
+	/* Enable monitoring */
+	site |= 0x1 << (15 - data->sensor_id);
+	tmu_write(data, site | TMR_ME | TMR_ALPF, &data->regs->tmr);
+
+	return 0;
+
+err_tmu:
+	iounmap(data->regs);
+
+err_iomap:
+	platform_set_drvdata(pdev, NULL);
+
+	return ret;
+}
+
+static int qoriq_tmu_remove(struct platform_device *pdev)
+{
+	struct qoriq_tmu_data *data = platform_get_drvdata(pdev);
+
+	thermal_zone_of_sensor_unregister(&pdev->dev, data->tz);
+
+	/* Disable monitoring */
+	tmu_write(data, TMR_DISABLE, &data->regs->tmr);
+
+	iounmap(data->regs);
+	platform_set_drvdata(pdev, NULL);
+
+	return 0;
+}
+
+#ifdef CONFIG_PM_SLEEP
+static int qoriq_tmu_suspend(struct device *dev)
+{
+	u32 tmr;
+	struct qoriq_tmu_data *data = dev_get_drvdata(dev);
+
+	/* Disable monitoring */
+	tmr = tmu_read(data, &data->regs->tmr);
+	tmr &= ~TMR_ME;
+	tmu_write(data, tmr, &data->regs->tmr);
+
+	return 0;
+}
+
+static int qoriq_tmu_resume(struct device *dev)
+{
+	u32 tmr;
+	struct qoriq_tmu_data *data = dev_get_drvdata(dev);
+
+	/* Enable monitoring */
+	tmr = tmu_read(data, &data->regs->tmr);
+	tmr |= TMR_ME;
+	tmu_write(data, tmr, &data->regs->tmr);
+
+	return 0;
+}
+#endif
+
+static SIMPLE_DEV_PM_OPS(qoriq_tmu_pm_ops,
+			 qoriq_tmu_suspend, qoriq_tmu_resume);
+
+static const struct of_device_id qoriq_tmu_match[] = {
+	{ .compatible = "fsl,qoriq-tmu", },
+	{},
+};
+MODULE_DEVICE_TABLE(of, qoriq_tmu_match);
+
+static struct platform_driver qoriq_tmu = {
+	.driver	= {
+		.name		= "qoriq_thermal",
+		.pm		= &qoriq_tmu_pm_ops,
+		.of_match_table	= qoriq_tmu_match,
+	},
+	.probe	= qoriq_tmu_probe,
+	.remove	= qoriq_tmu_remove,
+};
+module_platform_driver(qoriq_tmu);
+
+MODULE_AUTHOR("Jia Hongtao <hongtao.jia@nxp.com>");
+MODULE_DESCRIPTION("QorIQ Thermal Monitoring Unit driver");
+MODULE_LICENSE("GPL v2");
-- 
2.1.0.27.g96db324

Re: [PATCH 7/7] thermal: qoriq: Add thermal management support

[kbuild test robot]

[-- Attachment #1: Type: text/plain, Size: 1338 bytes --]

Hi,

[auto build test ERROR on v4.7-rc1]
[also build test ERROR on next-20160603]
[cannot apply to robh/for-next soc-thermal/next]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Jia-Hongtao/dt-bindings-Update-QorIQ-TMU-thermal-bindings/20160603-154428
config: um-allmodconfig (attached as .config)
compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430
reproduce:
        # save the attached .config to linux build tree
        make ARCH=um 

All errors (new ones prefixed by >>):

   drivers/thermal/qoriq_thermal.c: In function 'qoriq_tmu_probe':
>> drivers/thermal/qoriq_thermal.c:255:2: error: implicit declaration of function 'iounmap' [-Werror=implicit-function-declaration]
     iounmap(data->regs);
     ^~~~~~~
   cc1: some warnings being treated as errors

vim +/iounmap +255 drivers/thermal/qoriq_thermal.c

   249		site |= 0x1 << (15 - data->sensor_id);
   250		tmu_write(data, site | TMR_ME | TMR_ALPF, &data->regs->tmr);
   251	
   252		return 0;
   253	
   254	err_tmu:
 > 255		iounmap(data->regs);
   256	
   257	err_iomap:
   258		platform_set_drvdata(pdev, NULL);

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

[-- Attachment #2: .config.gz --]
[-- Type: application/octet-stream, Size: 18145 bytes --]

Re: [PATCH 1/7] dt-bindings: Update QorIQ TMU thermal bindings

[Rob Herring]

On Fri, Jun 03, 2016 at 02:57:33PM +0800, Jia Hongtao wrote:
> For different types of SoC the sensor id and endianness may vary.
> "#thermal-sensor-cells" is used to provide sensor id information.
> "little-endian" property is to tell the endianness of TMU.
> 
> Signed-off-by: Jia Hongtao <hongtao.jia@nxp.com>
> ---
>  .../devicetree/bindings/thermal/qoriq-thermal.txt     | 19 +++++++++++++------
>  1 file changed, 13 insertions(+), 6 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/thermal/qoriq-thermal.txt b/Documentation/devicetree/bindings/thermal/qoriq-thermal.txt
> index 66223d5..8eeef80 100644
> --- a/Documentation/devicetree/bindings/thermal/qoriq-thermal.txt
> +++ b/Documentation/devicetree/bindings/thermal/qoriq-thermal.txt
> @@ -1,22 +1,28 @@
>  * Thermal Monitoring Unit (TMU) on Freescale QorIQ SoCs
>  
>  Required properties:
> -- compatible : Must include "fsl,qoriq-tmu". The version of the device is
> +- compatible: Must include "fsl,qoriq-tmu". The version of the device is

Please split functional changes from formatting changes. This one seems 
pretty pointless.

>  	determined by the TMU IP Block Revision Register (IPBRR0) at
>  	offset 0x0BF8.
> -	Table of correspondences between IPBRR0 values and example  chips:
> +	Table of correspondences between IPBRR0 values and example chips:
>  		Value           Device
>  		----------      -----
>  		0x01900102      T1040
> -- reg : Address range of TMU registers.
> -- interrupts : Contains the interrupt for TMU.
> -- fsl,tmu-range : The values to be programmed into TTRnCR, as specified by
> +- reg: Address range of TMU registers.
> +- interrupts: Contains the interrupt for TMU.
> +- fsl,tmu-range: The values to be programmed into TTRnCR, as specified by
>  	the SoC reference manual. The first cell is TTR0CR, the second is
>  	TTR1CR, etc.
> -- fsl,tmu-calibration : A list of cell pairs containing temperature
> +- fsl,tmu-calibration: A list of cell pairs containing temperature
>  	calibration data, as specified by the SoC reference manual.
>  	The first cell of each pair is the value to be written to TTCFGR,
>  	and the second is the value to be written to TSCFGR.
> +- #thermal-sensor-cells: Must be 1. The sensor specifier is the monitoring
> +	site ID, and represents the "n" in TRITSRn and TRATSRn.
> +
> +Optional property:
> +- little-endian: If present, the TMU registers are little endian.  If absent,
> +	the default is big endian.
>  
>  Example:
>  
> @@ -60,4 +66,5 @@ tmu@f0000 {
>  
>  			       0x00030000 0x00000012
>  			       0x00030001 0x0000001d>;
> +	#thermal-sensor-cells = <1>;
>  };
> -- 
> 2.1.0.27.g96db324
> 
> 
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

答复: [PATCH 1/7] dt-bindings: Update QorIQ TMU thermal bindings

[Hongtao Jia]

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Re: [PATCH 7/7] thermal: qoriq: Add thermal management support

[Hongtao Jia]

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