1 files changed, 40 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/perf/spe-pmu.yaml b/Documentation/devicetree/bindings/perf/spe-pmu.yaml
new file mode 100644
index 000000000..7d74152f4
--- /dev/null
+++ b/Documentation/devicetree/bindings/perf/spe-pmu.yaml
@@ -0,0 +1,40 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/perf/spe-pmu.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ARMv8.2 Statistical Profiling Extension (SPE) Performance Monitor Units (PMU)
+
+maintainers:
+  - Will Deacon <will@kernel.org>
+
+description:
+  ARMv8.2 introduces the optional Statistical Profiling Extension for collecting
+  performance sample data using an in-memory trace buffer.
+
+properties:
+  compatible:
+    const: arm,statistical-profiling-extension-v1
+
+  interrupts:
+    maxItems: 1
+    description: |
+      The PPI to signal SPE events. For heterogeneous systems where SPE is only
+      supported on a subset of the CPUs, please consult the arm,gic-v3 binding
+      for details on describing a PPI partition.
+
+additionalProperties: false
+
+required:
+  - compatible
+  - interrupts
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+    spe-pmu {
+        compatible = "arm,statistical-profiling-extension-v1";
+        interrupts = <GIC_PPI 5 IRQ_TYPE_LEVEL_HIGH>;
+    };