> -----Original Message----- > From: Stuart Yoder [mailto:stuart.yoder@xxxxxxxxxxxxx] > Sent: Friday, September 25, 2015 4:08 PM > To: robh+dt@xxxxxxxxxx; mark.rutland@xxxxxxx > Cc: devicetree@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; Rivera > Jose-B46482; Sharma Bhupesh-B45370; katz Itai-RM05202; Yoder Stuart- > B08248 > Subject: [PATCH 2/3] Docs: dt: fsl-mc update binding to include > definition of ranges > > Define a ranges property to specify the mapping between the MC address > space and the system address space. > > Signed-off-by: Stuart Yoder <stuart.yoder@xxxxxxxxxxxxx> > --- > .../devicetree/bindings/misc/fsl,qoriq-mc.txt | 30 > +++++++++++++++++++++- > 1 file changed, 29 insertions(+), 1 deletion(-) > > diff --git a/Documentation/devicetree/bindings/misc/fsl,qoriq-mc.txt > b/Documentation/devicetree/bindings/misc/fsl,qoriq-mc.txt > index 6aac955..848975f 100644 > --- a/Documentation/devicetree/bindings/misc/fsl,qoriq-mc.txt > +++ b/Documentation/devicetree/bindings/misc/fsl,qoriq-mc.txt > @@ -35,6 +35,26 @@ Required properties: > Definition: Must be present and point to the MSI controller node > handling message interrupts for the MC. > > + - ranges > + Value type: <prop-encoded-array> > + Definition: A standard property. Defines the mapping between > the child > + MC address space and the parent system address > space. > + > + The MC address space is defined by 3 components: > + <region type> <offset hi> <offset lo> > + > + Valid values for region type are > + 0x0 - MC portals > + 0x1 - QBMAN portals > + > + - #address-cells > + Value type: <u32> > + Definition: Must be 3. (see definition in 'ranges' property) > + > + - #size-cells > + Value type: <u32> > + Definition: Must be 1. > + > Example: > > fsl_mc: fsl-mc@80c000000 { > @@ -42,5 +62,13 @@ Example: > reg = <0x00000008 0x0c000000 0 0x40>, /* MC portal > base */ > <0x00000000 0x08340000 0 0x40000>; /* MC control > reg */ > msi-parent = <&its>; > - }; > + #address-cells = <3>; > + #size-cells = <1>; > > + /* > + * Region type 0x0 - MC portals > + * Region type 0x1 - QBMAN portals > + */ > + ranges = <0x0 0x0 0x0 0x8 0x0c000000 0x4000000 > + 0x1 0x0 0x0 0x8 0x18000000 0x8000000>; > + }; > -- > 2.3.3 Acked-by: J. German Rivera <German.Rivera@xxxxxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
