Useful Links for OSD32MP1 Device Tree Information

[Neeraj Dantu]

Here is a list that we compiled of links that could be helpful for getting you started with device trees on the OSD32MP1.

1. From Octavo
   1. CubeMX application note for OSD32MP1: STM32MP1 CubeMX Tutorial for OSD32MP15x – Octavo Systems
   2. Pin mapping between OSD32MP1 and STM32MP1: OSD32MP15x SiP and the STM32MP1 Pin Maps – Octavo Systems
   3. Device tree fundamentals(application note is written for OSD335x, but the concepts apply to OSD32MP1 as well): OSD335x Lesson 2: Linux Device Tree – Octavo Systems
2. From ST:
   1. STM32MP1 family device tree organization: https://wiki.st.com/stm32mpu/wiki/STM32MP15_device_tree
   2. Device tree configuration for each interface of STM32MP1: Category:Device tree configuration – stm32mpu
   3. How to create board device tree from ST resources: How to create your board device tree – stm32mpu
   4. Pinmuxing for OSD32MP1: Pinctrl overview – stm32mpu
3. Examples:

   1. Declaring LEDs in device tree: https://www.kernel.org/doc/Documentation/devicetree/bindings/leds/leds-gpio.txt

   2. GPIO device tree configuration: GPIO device tree configuration – stm32mpu

   3. Example GPIO hog from OSD32MP1-RED device tree: https://github.com/octavosystems/OSD32MP1-RED-Device-tree/blob/main/linux-v4.19/osd32mp1-red.dts#L30
   4. Controlling GPIOs: GPIOLib overview – stm32mpu

 

 

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