Messages in this thread | | | Date | Tue, 14 May 2013 11:08:49 -0700 | Subject | Re: [PATCH V2 2/9] Documentation: devicetree: Add DT bindings for UFS host controller | From | Olof Johansson <> |
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On Tue, May 14, 2013 at 12:08 AM, Dolev Raviv <draviv@codeaurora.org> wrote: > Compatible list is used in commit 03b1781 but is not documented. > Add necessary device tree bindings to describe on-chip UFS host > controllers. > > Signed-off-by: Sujit Reddy Thumma <sthumma@codeaurora.org> > > diff --git a/Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt b/Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt > new file mode 100644 > index 0000000..20468b2 > --- /dev/null > +++ b/Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt > @@ -0,0 +1,16 @@ > +* Universal Flash Storage (UFS) Host Controller > + > +UFSHC nodes are defined to describe on-chip UFS host controllers. > +Each UFS controller instance should have its own node. > + > +Required properties: > +- compatible : compatible list, contains "jedec,ufs-1.1" > +- interrupts : <interrupt mapping for UFS host controller IRQ> > +- reg : <registers mapping> > + > +Example: > + ufshc@0xfc598000 { > + compatible = "jedec,ufs-1.1";
Hmm.
Does jedec really specify the programming interface of this type of device, register layout and meaning? It seems to be more about the command set and electrical/connectivity specifications, no?
-Olof
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