On Fri, Aug 05, 2016 at 02:43:43PM +0100, Mark Rutland wrote: > On Fri, Aug 05, 2016 at 03:11:53PM +0200, Fabien Lahoudere wrote: > > Adding spidev in the compatible list, let configure spidev from device tree > > instead of C source code. > I'm not keen on this. > It ties the hardware description to today's use-case, and leaves the DT > without information regarding the particuarl device. The binding is also > written in terms of the userspace interface, which is backwards. > So NAK to this as-is. Indeed. Fabien, please see the *extensive* and repeated previous discussions of this topic. Device tree is there to describe the hardware, not the software you currently happen to be using on your system. Please also see the comments in the driver which explain why we require a compatible string which is descriptive of the hardware.
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