From 893e2aad4612096c17a51c4fbc7f3897b7e45606 Mon Sep 17 00:00:00 2001
From: Yuantian Tang <andy.tang@nxp.com>
Date: Wed, 15 Mar 2017 15:10:25 +0800
Subject: arm64: dts: ls1012a: add thermal monitor node

There is a thermal monitoring unit on ls1012a soc which can
monitor and record the temperature of cores so that appropriate actions
can be taken or alarm the user when the temperature exceeds a programmed
temperature threshold.

Signed-off-by: Tang Yuantian <andy.tang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---
 arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi | 77 ++++++++++++++++++++++++++
 1 file changed, 77 insertions(+)

(limited to 'arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi')

diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi
index a1c5112f1582..60b533144414 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 +128,82 @@
 			clocks = <&sysclk>;
 		};
 
+		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>;
+			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@2180000 {
 			compatible = "fsl,vf610-i2c";
 			#address-cells = <1>;
-- 
cgit v1.2.3