sysfs gpio name correspond to actual GPIO port on tx2

I want to use the Jetson TX2 J21 Header.but how correspond to actual GPIO port on tx2

hello jinggui,

here’s wiki page which may helps,
http://www.jetsonhacks.com/nvidia-jetson-tx2-j21-header-pinout/

please also refer to [Tegra Linux Driver Package TX2 Adaptation Guide] for more details.
thanks

tx2’s Sysfs GPIO are all different from tx1’s Sysfs GPIO ?

correct, you could also check the spreadsheet from Jetson download center.
https://developer.nvidia.com/embedded/downloads#?search=pinmux

Dear Jerry

TX2 sysfs gpio gpio xx and pin xx how to map?Could you give me a example

WHY Jetson TX2 J21 Heade PIN 29 is gpio398 ? Jetson TX2 J21 Heade PIN 13 is gpioxx ? Why

How do I map it ? thank you

hello tinghsueh2017,

please refer to [Tegra Linux Driver Package TX2 Adaptation Guide] and check the [GPIO changes] chapter for more details.
thanks