[FAQ] AM5718: device tree tutorial

Hello Jiabin,

you can find very good tutorials online for this purpose:

Please see:

• https://devicetree-specification.readthedocs.io/en/v0.3/introduction.html
• https://events.static.linuxfound.org/sites/events/files/slides/petazzoni-device-tree-dummies.pdf

The AM57 dts files can be analyzed here: https://git.ti.com/cgit/ti-u-boot/ti-u-boot/tree/arch/arm/dts?h=ti-u-boot-2021.01

or your local SDK installation.

General DTS breakdown:

• am572x-idk.dts
  • #include "dra74x.dtsi"
    • #include "dra7.dtsi"
    • /include/ "dra7xx-clocks.dtsi"
  • #include "am572x-idk-common.dtsi"
    
    • #include "am57xx-idk-common.dtsi"
  • #include "am57xx-idk-common.dtsi"
    • #include "am57xx-industrial-grade.dtsi"
  • #include "dra7-mmc-iodelay.dtsi"
  • #include "dra74x-mmc-iodelay.dtsi"

Best,

Josue