[PATCH v4 5/6] dt-bindings: Document devicetree binding for ARM DSU PMU
This patch documents the devicetree bindings for ARM DSU PMU. Cc: Mark RutlandCc: Will Deacon Cc: Rob Herring Cc: devicet...@vger.kernel.org Cc: frowand.l...@gmail.com Signed-off-by: Suzuki K Poulose --- Changes since V3: - Fixed node name in the example, suggested by Rob --- .../devicetree/bindings/arm/arm-dsu-pmu.txt| 27 ++ 1 file changed, 27 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/arm-dsu-pmu.txt diff --git a/Documentation/devicetree/bindings/arm/arm-dsu-pmu.txt b/Documentation/devicetree/bindings/arm/arm-dsu-pmu.txt new file mode 100644 index 000..6efabba --- /dev/null +++ b/Documentation/devicetree/bindings/arm/arm-dsu-pmu.txt @@ -0,0 +1,27 @@ +* ARM DynamIQ Shared Unit (DSU) Performance Monitor Unit (PMU) + +ARM DyanmIQ Shared Unit (DSU) integrates one or more CPU cores +with a shared L3 memory system, control logic and external interfaces to +form a multicore cluster. The PMU enables to gather various statistics on +the operations of the DSU. The PMU provides independent 32bit counters that +can count any of the supported events, along with a 64bit cycle counter. +The PMU is accessed via CPU system registers and has no MMIO component. + +** DSU PMU required properties: + +- compatible : should be one of : + + "arm,dsu-pmu" + +- interrupts : Exactly 1 SPI must be listed. + +- cpus : List of phandles for the CPUs connected to this DSU instance. + + +** Example: + +dsu-pmu-0 { + compatible = "arm,dsu-pmu"; + interrupts = ; + cpus = <_0>, <_1>; +}; -- 2.7.5
[PATCH v4 5/6] dt-bindings: Document devicetree binding for ARM DSU PMU
This patch documents the devicetree bindings for ARM DSU PMU. Cc: Mark Rutland Cc: Will Deacon Cc: Rob Herring Cc: devicet...@vger.kernel.org Cc: frowand.l...@gmail.com Signed-off-by: Suzuki K Poulose --- Changes since V3: - Fixed node name in the example, suggested by Rob --- .../devicetree/bindings/arm/arm-dsu-pmu.txt| 27 ++ 1 file changed, 27 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/arm-dsu-pmu.txt diff --git a/Documentation/devicetree/bindings/arm/arm-dsu-pmu.txt b/Documentation/devicetree/bindings/arm/arm-dsu-pmu.txt new file mode 100644 index 000..6efabba --- /dev/null +++ b/Documentation/devicetree/bindings/arm/arm-dsu-pmu.txt @@ -0,0 +1,27 @@ +* ARM DynamIQ Shared Unit (DSU) Performance Monitor Unit (PMU) + +ARM DyanmIQ Shared Unit (DSU) integrates one or more CPU cores +with a shared L3 memory system, control logic and external interfaces to +form a multicore cluster. The PMU enables to gather various statistics on +the operations of the DSU. The PMU provides independent 32bit counters that +can count any of the supported events, along with a 64bit cycle counter. +The PMU is accessed via CPU system registers and has no MMIO component. + +** DSU PMU required properties: + +- compatible : should be one of : + + "arm,dsu-pmu" + +- interrupts : Exactly 1 SPI must be listed. + +- cpus : List of phandles for the CPUs connected to this DSU instance. + + +** Example: + +dsu-pmu-0 { + compatible = "arm,dsu-pmu"; + interrupts = ; + cpus = <_0>, <_1>; +}; -- 2.7.5