Hi all,
I am working on CAN driver for the MCP25625 device, which communicates to the nrf9160 via SPI. I am following the SPI example https://github.com/Rallare/fw-nrfconnect-nrf/tree/nrf9160_samples/samples/nrf9160/spi
I have gotten this to work on the nrf9160 dev kit, but am having trouble on our custom hardware, which uses the nrf9160 SiP. The problem arises when I edit the prj.conf file to include the following:
# SPI CONFIG_SPI=y CONFIG_SPI_3=y CONFIG_SPI_3_NRF_SPIM=y CONFIG_SPI_3=y CONFIG_SPI_NRFX=y CONFIG_MAIN_STACK_SIZE=4096
The error I get is this: 
Now when I remove the spi configs in prj.conf and only have CONFIG_SERIAL=y, the project will open, but I get an error when I call the device_get_binding function. This is what my code looks like:
const char* const spiName = "SPI_3";
spi_dev = device_get_binding(spiName);
if (spi_dev == NULL) {
printk("Could not get %s device\n", spiName);
return;
}
I edited the dts file to hopefully reflect the correct pin changes, and that looks like this:
&spi3 {
compatible = "nordic,nrf-spim";
status = "okay";
sck-pin = <4>;
mosi-pin = <3>;
miso-pin = <1>;
};
I am currently using the nrf9160dk_nrf9160_common.dts file, but am wondering if I need to change this. It worked for the dev kit, but not sure if I need to use a different dts file for our custom hardware.
I am not sure what else I may need to edit, but would greatly appreciate any assistance. Thank you!
Sincerely,
Kyle Garland
