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     1 # SPDX-License-Identifier: GPL-2.0
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/devfreq/event/samsung,exynos-nocp.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Samsung Exynos NoC (Network on Chip) Probe
    8 
    9 maintainers:
   10   - Chanwoo Choi <cw00.choi@samsung.com>
   11   - Krzysztof Kozlowski <krzk@kernel.org>
   12 
   13 description: |
   14   The Samsung Exynos542x SoC has a NoC (Network on Chip) Probe for NoC bus.
   15   NoC provides the primitive values to get the performance data. The packets
   16   that the Network on Chip (NoC) probes detects are transported over the
   17   network infrastructure to observer units. You can configure probes to capture
   18   packets with header or data on the data request response network, or as
   19   traffic debug or statistic collectors. Exynos542x bus has multiple NoC probes
   20   to provide bandwidth information about behavior of the SoC that you can use
   21   while analyzing system performance.
   22 
   23 properties:
   24   compatible:
   25     const: samsung,exynos5420-nocp
   26 
   27   clock-names:
   28     items:
   29       - const: nocp
   30 
   31   clocks:
   32     maxItems: 1
   33 
   34   reg:
   35     maxItems: 1
   36 
   37 required:
   38   - compatible
   39   - reg
   40 
   41 additionalProperties: false
   42 
   43 examples:
   44   - |
   45     nocp_mem0_0: nocp@10ca1000 {
   46         compatible = "samsung,exynos5420-nocp";
   47         reg = <0x10ca1000 0x200>;
   48     };
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