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SPI is supported on stm32f4 SoCs, the doc is probably not up to date.
Maybe it's just not enabled on the board's dts file.
But on SoC level it is, see dts/arm/st/stm32f407.dtsi which includes
dts/arm/st/stm32f405.dtsi including itself: dts/arm/st/stm32f401.dtsi
I am trying to implement SPI on the STM32f4 discovery (STM32f407).
On the doc of Zephyr, it is written the list of the hardware
supported by the board STM32f4 discovery (NVIC, UART, PINMUX, GPIO
PWM) and SPI is not in this list.
I have already changed some files to add the SPI:
I would like to know what I need to modify or add to implement SPI
the STM32f4 discovery please ?
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