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    Subject[PATCH v5 2/4] Documentation: dts: Add bindings for APM X-Gene SoC ethernet driver
    Date
    This patch adds documentation for APM X-Gene SoC ethernet DTS binding.

    Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
    Signed-off-by: Ravi Patel <rapatel@apm.com>
    Signed-off-by: Keyur Chudgar <kchudgar@apm.com>
    ---
    .../devicetree/bindings/net/apm-xgene-enet.txt | 72 ++++++++++++++++++++
    1 file changed, 72 insertions(+)
    create mode 100644 Documentation/devicetree/bindings/net/apm-xgene-enet.txt

    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..3e2a295
    --- /dev/null
    +++ b/Documentation/devicetree/bindings/net/apm-xgene-enet.txt
    @@ -0,0 +1,72 @@
    +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";
    +};
    --
    1.7.9.5


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