On Mon, May 13, 2019 at 03:32:52PM +0200, Sedat Dilek wrote: > BTW, which Linux Kconfig setting are minimum? > > scripts/config -m NFC_NCI -m NFC_NXP_NCI -m NFC_NXP_NCI_I2C > > What about? > > scripts/config -m NFC_NCI_SPI -m NFC_NCI_UART -m I2C_GPIO -m SPI_GPIO > > Required? > Not needed? I2C_GPIO and SPI_GPIO has nothing to do with all this. What indeed is needed is the pin control of the actual Intel SoC (unfortunately I don't know what exactly you have, so, you better to check yourself), something like CONFIG_PINCTRL_SKYLAKE=y. -- With Best Regards, Andy Shevchenko