pinctrl specific pin acces

[milansedlak]

Hello,

I have trouble accessing the required pin directly from the pin controller:

I would like to access, for example, the value for the "SPIM_MOSI" pin, which should be 27.
The output should appear as:
#define SPIM_MOSI_PIN 27

Based on the documentation, my best approach was:
#define SPIM_MOSI_PIN DT_PROP_BY_IDX(DT_PINCTRL_0(spi0, 0), psels, 2)
But it isn't working. I've tried other approaches like
DT_PROP_BY_IDX(DT_NODELABEL(spi0_default), psels, 2)
without any success.

Could you please tell me where the mistake is?

Many thanks.

[cameled]

The NRF_PSEL macro definition as below. After DTS has been processed, there no pin number left.

FILE: include/zephyr/dt-bindings/pinctrl/nrf-pinctrl.h

#define NRF_PSEL(fun, port, pin)						       \
	((((((port) * 32U) + (pin)) & NRF_PIN_MSK) << NRF_PIN_POS) |		       \
	 ((NRF_FUN_ ## fun & NRF_FUN_MSK) << NRF_FUN_POS))

More refer: https://docs.zephyrproject.org/3.1.0/build/cmake/index.html#build-and-configuration-phases

[milansedlak]

Hi,
I've overlooked this. Now it makes sense.
Many thanks