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Diffstat (limited to 'Documentation/devicetree/bindings/devfreq/event/exynos-nocp.txt')
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diff --git a/Documentation/devicetree/bindings/devfreq/event/exynos-nocp.txt b/Documentation/devicetree/bindings/devfreq/event/exynos-nocp.txt new file mode 100644 index 000000000000..fd459f00aa5a --- /dev/null +++ b/Documentation/devicetree/bindings/devfreq/event/exynos-nocp.txt @@ -0,0 +1,26 @@ + +* Samsung Exynos NoC (Network on Chip) Probe device + +The Samsung Exynos542x SoC has NoC (Network on Chip) Probe for NoC bus. +NoC provides the primitive values to get the performance data. The packets +that the Network on Chip (NoC) probes detects are transported over +the network infrastructure to observer units. You can configure probes to +capture packets with header or data on the data request response network, +or as traffic debug or statistic collectors. Exynos542x bus has multiple +NoC probes to provide bandwidth information about behavior of the SoC +that you can use while analyzing system performance. + +Required properties: +- compatible: Should be "samsung,exynos5420-nocp" +- reg: physical base address of each NoC Probe and length of memory mapped region. + +Optional properties: +- clock-names : the name of clock used by the NoC Probe, "nocp" +- clocks : phandles for clock specified in "clock-names" property + +Example : NoC Probe nodes in Device Tree are listed below. + + nocp_mem0_0: nocp@10CA1000 { + compatible = "samsung,exynos5420-nocp"; + reg = <0x10CA1000 0x200>; + }; |