linux-kernel - [PATCH 2/2] arm64:dt:ls1012a: Add TMU device tree support for LS1012A

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Date:   Thu, 8 Dec 2016 11:28:26 +0800
From:   Jia Hongtao <hongtao.jia@....com>
To:     <shawnguo@...nel.org>, <rui.zhang@...el.com>,
        <edubezval@...il.com>, <robh+dt@...nel.org>, <scott.wood@....com>
CC:     <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <hongtao.jia@....com>
Subject: [PATCH 2/2] arm64:dt:ls1012a: Add TMU device tree support for LS1012A

Also add nodes and properties for thermal management support.

Signed-off-by: Jia Hongtao <hongtao.jia@....com>
---
Depend on patch "[v3] arm64: Add DTS support for FSL's LS1012A SoC".
https://patchwork.kernel.org/patch/9462399/

 arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi | 76 ++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi
index 92e64f3..bc694b4 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi
@@ -43,6 +43,7 @@
  */
 
 #include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/thermal/thermal.h>
 
 / {
 	compatible = "fsl,ls1012a";
@@ -127,6 +128,81 @@
 			#clock-cells = <2>;
 			clocks = <&sysclk>;
 		};
+		tmu: tmu@...0000 {
+			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>;
+			big-endian;
+			#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>;
+					};
+				};
+			};
+		};
 
 		i2c0: i2c@...0000 {
 			compatible = "fsl,vf610-i2c";
-- 
2.1.0.27.g96db324