Messages in this thread | | | From | Arnd Bergmann <> | Subject | Re: [RFC PATCH v2 00/13] arm/tegra: Initialize GPIO & pinmux from DT | Date | Thu, 18 Aug 2011 11:15:52 +0200 |
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On Thursday 18 August 2011, Stephen Warren wrote: > It looks like DT already supports the generic case for GPIO; each GPIO > reference is of the form: > > <&gpio 69 0> > > and so each GPIO has a "parent" specified, and hence can come from a > different controller. > > For drivers, this is all completely hidden by of_get_gpio(). > > I imagine we'd just use the same pattern for pinmux. This would both > support the general case, and end up being consistent with how GPIOs > already work, so this seems like a win both ways. >
Ah right. I had not seen the gpio binding yet, so that definitely works.
Arnd
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