On Oct 28, 2014, at 4:15 AM, Emil Medve <emilian.me...@freescale.com> wrote:
> Portals are memory mapped interfaces to BMan that allow low-latency, > lock-less interaction by software running on processor cores, accelerators > and network interfaces with the BMan > > Signed-off-by: Emil Medve <emilian.me...@freescale.com> > Change-Id: I6d245ffc14ba3d0e91d403ac7c3b91b75a9e6a95 > --- > .../bindings/powerpc/fsl/bman-portals.txt | 52 ++++++++++++++++++++++ > 1 file changed, 52 insertions(+) > create mode 100644 > Documentation/devicetree/bindings/powerpc/fsl/bman-portals.txt > > diff --git a/Documentation/devicetree/bindings/powerpc/fsl/bman-portals.txt > b/Documentation/devicetree/bindings/powerpc/fsl/bman-portals.txt similar comment about location of binding not being PPC specific. > new file mode 100644 > index 0000000..02e0231 > --- /dev/null > +++ b/Documentation/devicetree/bindings/powerpc/fsl/bman-portals.txt > @@ -0,0 +1,52 @@ > +QorIQ DPAA Buffer Manager Portals Device Tree Binding > + Probably worth putting the text from the commit message here as well. > +Copyright (C) 2008 - 2014 Freescale Semiconductor Inc. > + > +CONTENTS > + > + - BMan Portal > + - Example > + > +BMan Portal Node > + > +PROPERTIES > + > +- compatible > + Usage: Required > + Value type: <stringlist> > + Definition: Must include "fsl,bman-portal-<hardware revision>" > + May include "fsl,<SoC>-bman-portal" or "fsl,bman-portal" > + > +- reg > + Usage: Required > + Value type: <prop-encoded-array> > + Definition: Two regions. The first is the cache-enabled region of > + the portal. The second is the cache-inhibited region of > + the portal > + > +- interrupts > + Usage: Required > + Value type: <prop-encoded-array> > + Definition: Standard property > + > +EXAMPLE > + > +The example below shows a (P4080) BMan portals container/bus node with two > portals > + > + bman-portals@ff4000000 { > + #address-cells = <1>; > + #size-cells = <1>; > + compatible = "simple-bus"; > + ranges = <0 0xf 0xf4000000 0x200000>; > + > + bman-portal@0 { > + compatible = "fsl,bman-portal-1.0.0", "fsl,bman-portal"; > + reg = <0x0 0x4000>, <0x100000 0x1000>; > + interrupts = <105 2 0 0>; > + }; > + bman-portal@4000 { > + compatible = "fsl,bman-portal-1.0.0", "fsl,bman-portal"; > + reg = <0x4000 0x4000>, <0x101000 0x1000>; > + interrupts = <107 2 0 0>; > + }; > + }; > -- > 2.1.2 > -- Qualcomm Innovation Center, Inc. The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev