On Oct 28, 2014, at 4:15 AM, Emil Medve <Emilian.Medve@xxxxxxxxxxxxx> 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.Medve@xxxxxxxxxxxxx>
> 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
>
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