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Signed-off-by: Aarya Chaumal Signed-off-by: MANNURU VENKATESWARLU --- .../bindings/perf/ti,k3-ddr-pmu.yaml | 40 +++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 Documentation/devicetree/bindings/perf/ti,k3-ddr-pmu.yaml diff --git a/Documentation/devicetree/bindings/perf/ti,k3-ddr-pmu.yaml b/Documentation/devicetree/bindings/perf/ti,k3-ddr-pmu.yaml new file mode 100644 index 0000000000000..575a51e406001 --- /dev/null +++ b/Documentation/devicetree/bindings/perf/ti,k3-ddr-pmu.yaml @@ -0,0 +1,40 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/perf/ti,k3-ddr-pmu.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Texas Instruments K3 DDR performance monitor + +maintainers: + - Bryan Brattlof + +description: | + TI K3 SoCs contain DDR performance counters inside the VBUSM to + Cadence AXI bridge within the DDR subsystem (SSCFG region). There + are four counters, each programmed independently via a 6-bit field + in a single control register. Each counter can track one of the + hardware events listed in the SoC Technical Reference Manual (e.g. + read commands, write commands, refresh cycles). + +properties: + compatible: + const: ti,k3-ddr-pmu + + reg: + maxItems: 1 + description: Counter select register and counter registers within + the DDR subsystem SSCFG address space. + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + ddr_pmu0: ddr-pmu@100 { + compatible = "ti,k3-ddr-pmu"; + reg = <0x00 0x100 0x00 0x14>; + }; -- 2.34.1