Kernel configuration:
Platform support --->
CPU Frequency scaling --->
PowerPC CPU frequency scaling drivers --->
<*> CPU frequency scaling driver for NXP QorIQ SoCs
Device Drivers --->
[*] Generic Thermal sysfs driver --->
[*] generic cpu cooling support
[*] Freescale QorIQ Thermal Monitoring Unit
CONFIG_QORIQ_CPUFREQ=y
CONFIG_THERMAL=y
CONFIG_CPU_THERMAL=y
CONFIG_QORIQ_THERMAL=y
Device Tree Binding
Please add the following in arch/powerpc/boot/dts/fsl/t1024si-post.dtsi, please refer to tmu device node definition in arch/powerpc/boot/dts/fsl/t1023si-post.dtsi.
tmu: tmu@f0000 {
compatible = "fsl,qoriq-tmu", "fsl,t102x-tmu";
reg = <0xf0000 0x1000>;
interrupts = <18 2 0 0>;
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>;
little-endian;
#thermal-sensor-cells = <1>;
};
