Hi, On Fri, Jan 25, 2013 at 12:29:43PM +0000, Mark Rutland wrote: > > > > + depending upon omap4 or omap5. > > > > + - reg-names: The names of the register addresses corresponding to the registers > > > > + filled in "reg". > > > > + - ti,type: This is used to differentiate whether the control module has > > > > + usb mailbox or usb3 phy power. omap4 has usb mailbox in control module to > > > > + notify events to the musb core and omap5 has usb3 phy power register to > > > > + power on usb3 phy. Should be "1" if it has mailbox and "2" if it has usb3 > > > > + phy power. > > > > > > Why not make this a string property, perhaps values "mailbox" or "register"? > > > > NAK. > > Can I ask what your objection to using a string property is? > > As far as I can see, "ti,type" is only used by this driver, so there's no > common convention to stick to. Using a string makes the binding easier for > humans to read, and thus harder to mess up in a dts, and it decouples the > binding from kernel-side constants. IIRC there is some work going on to add #define-like support for DT, which would allow us to match against integers while still having meaningful symbolic representations. -- balbi
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