diff options
Diffstat (limited to 'Documentation/devicetree/bindings/misc')
| -rw-r--r-- | Documentation/devicetree/bindings/misc/fsl,qoriq-mc.txt | 81 |
1 files changed, 80 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/misc/fsl,qoriq-mc.txt b/Documentation/devicetree/bindings/misc/fsl,qoriq-mc.txt index c7a26ca8da12..6611a7c2053a 100644 --- a/Documentation/devicetree/bindings/misc/fsl,qoriq-mc.txt +++ b/Documentation/devicetree/bindings/misc/fsl,qoriq-mc.txt @@ -30,11 +30,90 @@ Required properties: region may not be present in some scenarios, such as in the device tree presented to a virtual machine. + - msi-parent + Value type: <phandle> + 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. + +Sub-nodes: + + The fsl-mc node may optionally have dpmac sub-nodes that describe + the relationship between the Ethernet MACs which belong to the MC + and the Ethernet PHYs on the system board. + + The dpmac nodes must be under a node named "dpmacs" which contains + the following properties: + + - #address-cells + Value type: <u32> + Definition: Must be present if dpmac sub-nodes are defined and must + have a value of 1. + + - #size-cells + Value type: <u32> + Definition: Must be present if dpmac sub-nodes are defined and must + have a value of 0. + + These nodes must have the following properties: + + - compatible + Value type: <string> + Definition: Must be "fsl,qoriq-mc-dpmac". + + - reg + Value type: <prop-encoded-array> + Definition: Specifies the id of the dpmac. + + - phy-handle + Value type: <phandle> + Definition: Specifies the phandle to the PHY device node associated + with the this dpmac. + Example: fsl_mc: fsl-mc@80c000000 { compatible = "fsl,qoriq-mc"; 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>; + dpmacs { + #address-cells = <1>; + #size-cells = <0>; + + dpmac@1 { + compatible = "fsl,qoriq-mc-dpmac"; + reg = <1>; + phy-handle = <&mdio0_phy0>; + } + } + }; |