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    Subject[PATCH 2/3] Docs: dt: fsl-mc update binding to include definition of ranges
    Date
    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@freescale.com>
    ---
    .../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


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