On Tue, Jan 05, 2021 at 10:23:43AM -0800, Tim Harvey wrote: > Johan, > > I have noticed you maintain a gnss receiver subsystem and according to > the device-tree binding Documentation it looks like it supports SPI > but I'm not seeing any code support for SPI. Am I missing something or > would that support need to be added for use? Correct, there are currently no drivers supporting SPI and hence no shared implementation either like there is for UART interfaces. The driver for your device would need to handle the SPI bits itself for now. What kind of device is it? Johan