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| -rw-r--r-- | Documentation/devicetree/bindings/net/apm-xgene-enet.txt | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/apm-xgene-enet.txt b/Documentation/devicetree/bindings/net/apm-xgene-enet.txt new file mode 100644 index 0000000..ebcad25 --- /dev/null +++ b/Documentation/devicetree/bindings/net/apm-xgene-enet.txt @@ -0,0 +1,66 @@ +APM X-Gene SoC Ethernet nodes + +Ethernet nodes are defined to describe on-chip ethernet interfaces in +APM X-Gene SoC. + +Required properties: +- compatible: Should be "apm,xgene-enet" +- reg: Address and length of the register set for the device. It contains the + information of registers in the same order as described by reg-names +- reg-names: Should contain the register set names + - "enet_csr": Ethernet control and status register address space + - "ring_csr": Descriptor ring control and status register address space + - "ring_cmd": Descriptor ring command register address space +- interrupts: Ethernet main interrupt +- clocks: Reference to the clock entry. +- local-mac-address: MAC address assigned to this device +- phy-connection-type: Interface type between ethernet device and PHY device +- phy-handle: Reference to a PHY node connected to this device + +- mdio: Device tree subnode with the following required properties: + - compatible: Must be "apm,xgene-mdio". + - #address-cells: Must be <1>. + - #size-cells: Must be <0>. + + For the phy on the mdio bus, there must be a node with the following fields: + - compatible: PHY identifier. Please refer ./phy.txt for the format. + - reg: The ID number for the phy. + +Optional properties: +- status: Should be "ok" or "disabled" for enabled/disabled. Default is "ok". + +Example: + menetclk: menetclk { + compatible = "apm,xgene-device-clock"; + clock-output-names = "menetclk"; + status = "ok"; + }; + + menet: ethernet@17020000 { + compatible = "apm,xgene-enet"; + status = "disabled"; + reg = <0x0 0x17020000 0x0 0xd100>, + <0x0 0X17030000 0x0 0X400>, + <0x0 0X10000000 0x0 0X200>; + reg-names = "enet_csr", "ring_csr", "ring_cmd"; + interrupts = <0x0 0x3c 0x4>; + clocks = <&menetclk 0>; + local-mac-address = [00 01 73 00 00 01]; + phy-connection-type = "rgmii"; + phy-handle = <&menetphy>; + mdio { + compatible = "apm,xgene-mdio"; + #address-cells = <1>; + #size-cells = <0>; + menetphy: menetphy@3 { + compatible = "ethernet-phy-id001c.c915"; + reg = <0x3>; + }; + + }; + }; + +/* Board-specific peripheral configurations */ +&menet { + status = "ok"; +}; |
