The LogiCORE™ IP AXI Performance Monitor core enables AXI system performance measurement for multiple slots (AXI4/AXI3/AXI4-Stream/ AXI4-Lite) activity. Add the devicetree binding for xilinx APM. Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xxxxxxx> --- .../bindings/perf/xlnx-axi-perf-monitor.yaml | 137 ++++++++++++++++++ 1 file changed, 137 insertions(+) create mode 100644 Documentation/devicetree/bindings/perf/xlnx-axi-perf-monitor.yaml diff --git a/Documentation/devicetree/bindings/perf/xlnx-axi-perf-monitor.yaml b/Documentation/devicetree/bindings/perf/xlnx-axi-perf-monitor.yaml new file mode 100644 index 000000000000..0b8ba96aa867 --- /dev/null +++ b/Documentation/devicetree/bindings/perf/xlnx-axi-perf-monitor.yaml @@ -0,0 +1,137 @@ +# SPDX-License-Identifier: GPL-2.0-or-later OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/perf/xilinx-apm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Xilinx Axi Performance Monitor device tree bindings + +maintainers: + - Shubhrajyoti Datta <shubhrajyoti.datta@xxxxxxxxxx> + +properties: + compatible: + items: + - enum: + - xlnx,axi-perf-monitor + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + interrupts: + maxItems: 1 + + xlnx,enable-profile: + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + - enum: [0, 1] + description: + Enables the profile mode. + maxItems: 1 + + xlnx,enable-trace: + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + - enum: [0, 1] + description: + Enables trace mode. + maxItems: 1 + + xlnx,num-monitor-slots: + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + - minimum: 1 + - maximum: 8 + description: + Number of monitor slots. + + xlnx,enable-event-count: + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + - enum: [0, 1] + description: + Enable event count. + + xlnx,enable-event-log: + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + - enum: [0, 1] + description: + Enable event log. + + xlnx,have-sampled-metric-cnt: + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + description: + Sampled metric counters enabled in APM. + + xlnx,metric-count-width: + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + - enum: [32, 64] + description: + Metric Counter width. + + xlnx,metric-count-scale: + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + - enum: [1, 2, 4, 8] + description: + Metric Counter scale factor. + + xlnx,num-of-counters: + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + description: + Number of counters in APM. + + xlnx,metrics-sample-count-width: + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + - enum: [32, 64] + description: + Sampled metric counter width. + + xlnx,global-count-width: + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + - enum: [32, 64] + description: + Global Clock counter width. + + xlnx,id-filter-32bit: + description: APM is in 32-bit mode. + type: boolean + +required: + - compatible + - reg + - clocks + - interrupts + +additionalProperties: false + +examples: + - | + apm@44a00000 { + compatible = "xlnx,axi-perf-monitor"; + interrupt-parent = <&axi_intc_1>; + interrupts = <1 2>; + reg = <0x44a00000 0x1000>; + clocks = <&clkc 15>; + xlnx,enable-profile = <0>; + xlnx,enable-trace = <0>; + xlnx,num-monitor-slots = <4>; + xlnx,enable-event-count = <1>; + xlnx,enable-event-log = <1>; + xlnx,have-sampled-metric-cnt = <1>; + xlnx,num-of-counters = <8>; + xlnx,metric-count-width = <32>; + xlnx,metrics-sample-count-width = <32>; + xlnx,global-count-width = <32>; + xlnx,metric-count-scale = <1>; + xlnx,id-filter-32bit; + }; -- 2.17.1
