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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>
This commit is contained in:
Yuantian Tang 2017-03-15 15:10:25 +08:00 committed by Shawn Guo
parent 427700a7ca
commit 893e2aad46
1 changed files with 77 additions and 0 deletions
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77
arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi
View File

@ -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>;