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+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+# Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/arm/qcom,coresight-tpdm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Trace, Profiling and Diagnostics Monitor - TPDM
+
+description: |
+ The TPDM or Monitor serves as data collection component for various dataset
+ types specified in the QPMDA spec. It covers Implementation defined ((ImplDef),
+ Basic Counts (BC), Tenure Counts (TC), Continuous Multi-Bit (CMB), and Discrete
+ Single Bit (DSB). It performs data collection in the data producing clock
+ domain and transfers it to the data collection time domain, generally ATB
+ clock domain.
+
+ The primary use case of the TPDM is to collect data from different data
+ sources and send it to a TPDA for packetization, timestamping, and funneling.
+
+maintainers:
+ - Mao Jinlong <quic_jinlmao@quicinc.com>
+ - Tao Zhang <quic_taozha@quicinc.com>
+
+# Need a custom select here or 'arm,primecell' will match on lots of nodes
+select:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,coresight-tpdm
+ required:
+ - compatible
+
+properties:
+ $nodename:
+ pattern: "^tpdm(@[0-9a-f]+)$"
+ compatible:
+ items:
+ - const: qcom,coresight-tpdm
+ - const: arm,primecell
+
+ reg:
+ minItems: 1
+ maxItems: 2
+
+ qcom,dsb-element-size:
+ description:
+ Specifies the DSB(Discrete Single Bit) element size supported by
+ the monitor. The associated aggregator will read this size before it
+ is enabled. DSB element size currently only supports 32-bit and 64-bit.
+ $ref: /schemas/types.yaml#/definitions/uint8
+ enum: [32, 64]
+
+ qcom,dsb-msrs-num:
+ description:
+ Specifies the number of DSB(Discrete Single Bit) MSR(mux select register)
+ registers supported by the monitor. If this property is not configured
+ or set to 0, it means this DSB TPDM doesn't support MSR.
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 32
+
+ clocks:
+ maxItems: 1
+
+ clock-names:
+ items:
+ - const: apb_pclk
+
+ out-ports:
+ description: |
+ Output connections from the TPDM to coresight funnel/TPDA.
+ $ref: /schemas/graph.yaml#/properties/ports
+
+ properties:
+ port:
+ description: Output connection from the TPDM to coresight
+ funnel/TPDA.
+ $ref: /schemas/graph.yaml#/properties/port
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+
+additionalProperties: false
+
+examples:
+ # minimum TPDM definition. TPDM connect to coresight TPDA.
+ - |
+ tpdm@684c000 {
+ compatible = "qcom,coresight-tpdm", "arm,primecell";
+ reg = <0x0684c000 0x1000>;
+
+ qcom,dsb-element-size = /bits/ 8 <32>;
+ qcom,dsb-msrs-num = <16>;
+
+ clocks = <&aoss_qmp>;
+ clock-names = "apb_pclk";
+
+ out-ports {
+ port {
+ tpdm_prng_out_tpda_qdss: endpoint {
+ remote-endpoint =
+ <&tpda_qdss_in_tpdm_prng>;
+ };
+ };
+ };
+ };
+
+...