# Is there any spidev\*.\* in Jetson AGX with native JetPack 4.6?

**URL:** <https://forums.developer.nvidia.com/t/is-there-any-spidev-in-jetson-agx-with-native-jetpack-4-6/190355>\
**Category:** Jetson AGX Xavier\
**Tags:** spi\
**Created:** [September 29, 2021, 12:42am UTC](https://forums.developer.nvidia.com/t/is-there-any-spidev-in-jetson-agx-with-native-jetpack-4-6/190355 "2021-09-29T00:42:39Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![ashingtsai](https://developer.download.nvidia.com/images/forums/profile-default-devtalk-84.png) [@ashingtsai](https://forums.developer.nvidia.com/u/ashingtsai)\
**Post date:** [September 29, 2021, 12:42am UTC](https://forums.developer.nvidia.com/t/is-there-any-spidev-in-jetson-agx-with-native-jetpack-4-6/190355/1 "2021-09-29T00:42:39Z")

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Hi, all,

```
I want to check the SPI1 loop test with spidev_test tool.

```

but I can not find out any spidev\*.\* in AGX JetPack 4.6 .  
first,I want to confirm . for This JetPack version ,do we need to build the spidev device tree or module?

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**Author:** ![ShaneCCC](https://sea2.discourse-cdn.com/nvidia/user_avatar/forums.developer.nvidia.com/shaneccc/32/14043_2.png) [@ShaneCCC](https://forums.developer.nvidia.com/u/ShaneCCC)\
**Post date:** [September 29, 2021, 2:50am UTC](https://forums.developer.nvidia.com/t/is-there-any-spidev-in-jetson-agx-with-native-jetpack-4-6/190355/3 "2021-09-29T02:50:17Z")

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Insert the spidev module by below command.

sudo modprobe spidev

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<div class="post-metadata">

**Author:** ![ashingtsai](https://developer.download.nvidia.com/images/forums/profile-default-devtalk-84.png) [@ashingtsai](https://forums.developer.nvidia.com/u/ashingtsai)\
**Post date:** [September 29, 2021, 3:11am UTC](https://forums.developer.nvidia.com/t/is-there-any-spidev-in-jetson-agx-with-native-jetpack-4-6/190355/4 "2021-09-29T03:11:02Z")

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Yes,It works well.  
but it only appear spidev0.0 spidev0.1  
do it mean only for spi1? if I need to use other spi2 and spi3,I need to build the device tree and driver,right?

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<div class="post-metadata">

**Author:** ![ShaneCCC](https://sea2.discourse-cdn.com/nvidia/user_avatar/forums.developer.nvidia.com/shaneccc/32/14043_2.png) [@ShaneCCC](https://forums.developer.nvidia.com/u/ShaneCCC)\
**Post date:** [September 29, 2021, 3:12am UTC](https://forums.developer.nvidia.com/t/is-there-any-spidev-in-jetson-agx-with-native-jetpack-4-6/190355/5 "2021-09-29T03:12:20Z")

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Yes, need device tree modification.

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<div class="post-metadata">

**Author:** ![ashingtsai](https://developer.download.nvidia.com/images/forums/profile-default-devtalk-84.png) [@ashingtsai](https://forums.developer.nvidia.com/u/ashingtsai)\
**Post date:** [September 30, 2021, 8:46am UTC](https://forums.developer.nvidia.com/t/is-there-any-spidev-in-jetson-agx-with-native-jetpack-4-6/190355/6 "2021-09-30T08:46:06Z")

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got it ,Thank you

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**Author:** ![TomNVIDIA](https://sea2.discourse-cdn.com/nvidia/user_avatar/forums.developer.nvidia.com/tomnvidia/32/14181_2.png) [@TomNVIDIA](https://forums.developer.nvidia.com/u/TomNVIDIA)\
**Post date:** [October 18, 2021, 6:18pm UTC](https://forums.developer.nvidia.com/t/is-there-any-spidev-in-jetson-agx-with-native-jetpack-4-6/190355/8 "2021-10-18T18:18:42Z")

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Closed on October 18, 2021, 6:18pm UTC