1 2* Samsung Exynos NoC (Network on Chip) Probe device 3 4The Samsung Exynos542x SoC has NoC (Network on Chip) Probe for NoC bus. 5NoC provides the primitive values to get the performance data. The packets 6that the Network on Chip (NoC) probes detects are transported over 7the network infrastructure to observer units. You can configure probes to 8capture packets with header or data on the data request response network, 9or as traffic debug or statistic collectors. Exynos542x bus has multiple 10NoC probes to provide bandwidth information about behavior of the SoC 11that you can use while analyzing system performance. 12 13Required properties: 14- compatible: Should be "samsung,exynos5420-nocp" 15- reg: physical base address of each NoC Probe and length of memory mapped region. 16 17Optional properties: 18- clock-names : the name of clock used by the NoC Probe, "nocp" 19- clocks : phandles for clock specified in "clock-names" property 20 21Example : NoC Probe nodes in Device Tree are listed below. 22 23 nocp_mem0_0: nocp@10ca1000 { 24 compatible = "samsung,exynos5420-nocp"; 25 reg = <0x10CA1000 0x200>; 26 }; 27