I'm wiring an MPU 9250 in an SPI bus, and according to datasheet, the same pin as I2C SDA is SPI SDI:
Which leads me to think that since this is Data Input in the slave (MPU9250), would be equivalent to MOSI.
Wiring diagram in the datasheet seems to confirm this:
However, I was reading the SPI page on wikipedia (Ok, not the greatest source) and it says:
The MOSI/MISO convention requires that, on devices using the alternate names, SDI on the master be connected to SDI on the slave
Which confused me a bit. In the diagram, SDI is wired with SDO and naming is relative to the device the pin is in, which contradicts wikipedia (SDI naming is always relative to the master).
So, in essence, is the Wikipedia article wrong? Can I trust my assumption that SDI on the MPU = MOSI?