Messages in this thread | | | Subject | Re: [RFC] [PATCH] Device Tree on ARM platform | From | Benjamin Herrenschmidt <> | Date | Thu, 28 May 2009 17:48:45 +1000 |
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On Thu, 2009-05-28 at 01:57 +0200, Robert Schwebel wrote: > On Wed, May 27, 2009 at 02:22:50PM -0600, Grant Likely wrote: > > 2) Driver binding mechanism: device tree nodes usually have a > > "compatible" property which is a list of strings. The first string > > describes exactly what the device is (ie. "atmel,24c08") and an > > optional list of other devices which it is register interface > > backwards compatible with. > > This is a good example. The "exact" description above doesn't say > anything about some of the details the driver needs to know. Here is the > at24 driver: > > http://lxr.linux.no/linux+v2.6.29/include/linux/i2c/at24.h#L18 > > Where do we get the page size & flags from?
Easy, add properties for them in the node for that device ! The device-tree actually makes that really easy, a lot easier than anything else I've seen so far.
Cheers, Ben.
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