feat(tc): add device tree binding for SPE
Add node for Statistical Profiling Extension, which provides
periodic sampling of operations in the CPU pipeline and reports
this via the perf AUX interface.
Change-Id: Ic7a9d9ce927edbce02c7c09470a009dc56247240
Signed-off-by: Jagdish Gediya <jagdish.gediya@arm.com>
Signed-off-by: Leo Yan <leo.yan@arm.com>
diff --git a/fdts/tc-base.dtsi b/fdts/tc-base.dtsi
index d2820f1..1401923 100644
--- a/fdts/tc-base.dtsi
+++ b/fdts/tc-base.dtsi
@@ -349,6 +349,18 @@
<GIC_PPI 10 IRQ_TYPE_LEVEL_LOW 0>;
};
+ spe-pmu-mid {
+ compatible = "arm,statistical-profiling-extension-v1";
+ interrupts = <GIC_PPI 1 IRQ_TYPE_LEVEL_HIGH &ppi_partition_mid>;
+ status = "disabled";
+ };
+
+ spe-pmu-big {
+ compatible = "arm,statistical-profiling-extension-v1";
+ interrupts = <GIC_PPI 1 IRQ_TYPE_LEVEL_HIGH &ppi_partition_big>;
+ status = "disabled";
+ };
+
soc_refclk: refclk {
compatible = "fixed-clock";
#clock-cells = <0>;
diff --git a/fdts/tc2.dts b/fdts/tc2.dts
index 8aa8b9e..d90d9cf 100644
--- a/fdts/tc2.dts
+++ b/fdts/tc2.dts
@@ -263,6 +263,10 @@
};
};
+ spe-pmu-big {
+ status = "okay";
+ };
+
smmu_700: iommu@3f000000 {
status = "okay";
};
diff --git a/fdts/tc3.dts b/fdts/tc3.dts
index 4cc62a4..144d99b 100644
--- a/fdts/tc3.dts
+++ b/fdts/tc3.dts
@@ -92,6 +92,14 @@
reg = <0x0 MCN_PMU_ADDR(3) 0x0 0xffc>;
};
+ spe-pmu-mid {
+ status = "okay";
+ };
+
+ spe-pmu-big {
+ status = "okay";
+ };
+
dsu-pmu {
compatible = "arm,dsu-pmu";
cpus = <&CPU0>, <&CPU1>, <&CPU2>, <&CPU3>, <&CPU4>, <&CPU5>, <&CPU6>, <&CPU7>;