Can you tell me the path of dts file

i refer the website
https://docs.nvidia.com/jetson/l4t/index.html#page/Tegra%20Linux%20Driver%20Package%20Development%20Guide%2Fkernel_boot_time.html%23
i have question in the pic, can you tell me the path of dts file refered

in the pic?

Check with below file.

../hardware/nvidia/soc/t18x/kernel-dts/tegra186-soc/tegra186-soc-base.dtsi

, , ,can you tell me the quetion in the pic.what is the “platform” mean ,in my opinion,“plaform” is jetson-tx2,but it is not exist in my host pc .

t186 is the TX2 and Xavier t210 is the TX1 and Nano

t186 you said is t186ref in the picture above??