Hi Sameer > >> +&tegra_admaif { > >> + admaif_port: port { > >> + admaif0: endpoint@0 { > >> + remote-endpoint = <&xbar_admaif0>; > >> + }; > >> + admaif1: endpoint@1 { > >> + remote-endpoint = <&xbar_admaif1>; > >> + }; > > (snip) > >> + admaif8: endpoint@8 { > >> + remote-endpoint = <&xbar_admaif8>; > >> + }; > >> + admaif9: endpoint@9 { > >> + remote-endpoint = <&xbar_admaif9>; > >> + }; > >> + }; > >> +}; > > I'm not familiar with your system, so, one question. > > Does this ADMAIF has total 10 interface which is used in the same time ? > > or select one of 10 connections when use ? > > One ore more ADMAIF interfaces can be used simultaneously. In fact all > of them can be used at the same time. Ah, sorry my questoin was not correct. I want to clarify was that below. In my understanding, if your system has 10 interfaces, you need to create 10 ports, not 10 endpoints. If your system has 1 interface, but is connected from 10 devices, it has 1 port 10 endpoints. Thank you for your help !! Best regards --- Kuninori Morimoto