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arm64: dts: Add ARM PMU node for exynos7 

This patch adds ARM Performance Monitor Unit dt node for exynos7.
PMU provides various statistics on the operation of the CPU and
memory system at runtime, which are very useful when debugging or
profiling code. This enables the same.

Signed-off-by: Alim Akhtar <alim.akhtar@samsung.com>
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
[krzk: Squashed with "Add level for cpu dt node for exynos7"]
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
hifive-unleashed-5.1
Alim Akhtar 2016-11-12 15:47:12 +05:30 committed by Krzysztof Kozlowski
parent 8ac46fc57d
commit eb708b0ff9
1 changed files with 14 additions and 4 deletions
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18
arch/arm64/boot/dts/exynos/exynos7.dtsi
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@ -35,28 +35,28 @@
#address-cells = <1>;
#size-cells = <0>;
cpu@0 {
cpu_atlas0: cpu@0 {
device_type = "cpu";
compatible = "arm,cortex-a57", "arm,armv8";
reg = <0x0>;
enable-method = "psci";
};
cpu@1 {
cpu_atlas1: cpu@1 {
device_type = "cpu";
compatible = "arm,cortex-a57", "arm,armv8";
reg = <0x1>;
enable-method = "psci";
};
cpu@2 {
cpu_atlas2: cpu@2 {
device_type = "cpu";
compatible = "arm,cortex-a57", "arm,armv8";
reg = <0x2>;
enable-method = "psci";
};
cpu@3 {
cpu_atlas3: cpu@3 {
device_type = "cpu";
compatible = "arm,cortex-a57", "arm,armv8";
reg = <0x3>;
@ -472,6 +472,16 @@
status = "disabled";
};
arm-pmu {
compatible = "arm,cortex-a57-pmu", "arm,armv8-pmuv3";
interrupts = <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 58 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 59 IRQ_TYPE_LEVEL_HIGH>;
interrupt-affinity = <&cpu_atlas0>, <&cpu_atlas1>,
<&cpu_atlas2>, <&cpu_atlas3>;
};
timer {
compatible = "arm,armv8-timer";
interrupts = <GIC_PPI 13