[RFC PATCH v2 10/10] dt-bindings: Document devicetree binding for ARM SPE

From	Will Deacon <will.deacon@arm.com>
Newsgroups	linux.kernel
Subject	[RFC PATCH v2 10/10] dt-bindings: Document devicetree binding for ARM SPE
Date	2017-01-13 17:10 +0100
Message-ID	<sZcAp-2YI-17@gated-at.bofh.it> (permalink)
References	<sZcAp-2YI-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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This patch documents the devicetree binding in use for ARM SPE.

Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Rob Herring <robh@kernel.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
---
 Documentation/devicetree/bindings/arm/spe-pmu.txt | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/arm/spe-pmu.txt

diff --git a/Documentation/devicetree/bindings/arm/spe-pmu.txt b/Documentation/devicetree/bindings/arm/spe-pmu.txt
new file mode 100644
index 000000000000..d6540b491af4
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/spe-pmu.txt
@@ -0,0 +1,20 @@
+* ARMv8.2 Statistical Profiling Extension (SPE) Performance Monitor Units (PMU)
+
+ARMv8.2 introduces the optional Statistical Profiling Extension for collecting
+performance sample data using an in-memory trace buffer.
+
+** SPE Required properties:
+
+- compatible : should be one of:
+	       "arm,arm-spe-pmu-v1"
+
+- interrupts : Exactly 1 PPI must be listed. 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.
+
+** Example:
+
+spe-pmu {
+        compatible = "arm,arm-spe-pmu-v1";
+        interrupts = <GIC_PPI 05 IRQ_TYPE_EDGE_RISING &part1>;
+};
-- 
2.1.4

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[RFC PATCH v2 10/10] dt-bindings: Document devicetree binding for ARM SPE Will Deacon <will.deacon@arm.com> - 2017-01-13 17:10 +0100
  Re: [RFC PATCH v2 10/10] dt-bindings: Document devicetree binding  for ARM SPE Mark Rutland <mark.rutland@arm.com> - 2017-01-13 19:50 +0100
    Re: [RFC PATCH v2 10/10] dt-bindings: Document devicetree binding  for ARM SPE Will Deacon <will.deacon@arm.com> - 2017-01-16 12:00 +0100

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