Jetson SPI using jetson-io + Device Tree Explaining

Time stamps below. We add a SPI display to a NVIDIA Jetson using the jetson-io utility, and then discuss the Linux device-tree and Jetson Pinmux. Full article: https://wp.me/p7ZgI9-38e
0:26 – Wiring an SPI Device
1:30 – Configuring SPI on the GPIO Expansion Header
5:36 – SPI Driver Discussion
7:00 – TFT Driver Install
10:15 – Display Demo
11:10 – Tech Talk Time!
11:16 – Review, Jetson Modules and Carrier Boards
11:23 – Jetson Module
13:14 – Pinmux
14:05 – Jetson Carrier Board
14:38 – Operating System/L4T
15:57 – Device Tree
16:52 – Exploring a Device Tree
19:35 – How the Device Tree gets built – Pinmux Spreadsheet
20:45 – The Device Tree on Disk: /proc/device-tree
21:53 – Device Tree Overlays

Adafruit 1.8″ TFT display on Amazon: https://amzn.to/2VPNaZc
(You may also find it on DigiKey or Adafruit)

While the example here is for a NVIDIA Jetson Nano Development Kit, the same utility is available on all Jetson Development Kits.

Website: http://jetsonhacks.com
Github: https://github.com/jetsonhacksnano
Twitter: http://twitter.com/jetsonhacks

#JetsonHacks #JetsonNano #JetsonTX1 #JetsonTX2 #JetsonXavier #NVIDIAJetson
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