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-Cortina Systems Gemini Ethernet Controller
-==========================================
-
-This ethernet controller is found in the Gemini SoC family:
-StorLink SL3512 and SL3516, also known as Cortina Systems
-CS3512 and CS3516.
-
-Required properties:
-- compatible: must be "cortina,gemini-ethernet"
-- reg: must contain the global registers and the V-bit and A-bit
- memory areas, in total three register sets.
-- syscon: a phandle to the system controller
-- #address-cells: must be specified, must be <1>
-- #size-cells: must be specified, must be <1>
-- ranges: should be state like this giving a 1:1 address translation
- for the subnodes
-
-The subnodes represents the two ethernet ports in this device.
-They are not independent of each other since they share resources
-in the parent node, and are thus children.
-
-Required subnodes:
-- port0: contains the resources for ethernet port 0
-- port1: contains the resources for ethernet port 1
-
-Required subnode properties:
-- compatible: must be "cortina,gemini-ethernet-port"
-- reg: must contain two register areas: the DMA/TOE memory and
- the GMAC memory area of the port
-- interrupts: should contain the interrupt line of the port.
- this is nominally a level interrupt active high.
-- resets: this must provide an SoC-integrated reset line for
- the port.
-- clocks: this should contain a handle to the PCLK clock for
- clocking the silicon in this port
-- clock-names: must be "PCLK"
-
-Optional subnode properties:
-- phy-mode: see ethernet.txt
-- phy-handle: see ethernet.txt
-
-Example:
-
-mdio-bus {
- (...)
- phy0: ethernet-phy@1 {
- reg = <1>;
- device_type = "ethernet-phy";
- };
- phy1: ethernet-phy@3 {
- reg = <3>;
- device_type = "ethernet-phy";
- };
-};
-
-
-ethernet@60000000 {
- compatible = "cortina,gemini-ethernet";
- reg = <0x60000000 0x4000>, /* Global registers, queue */
- <0x60004000 0x2000>, /* V-bit */
- <0x60006000 0x2000>; /* A-bit */
- syscon = <&syscon>;
- #address-cells = <1>;
- #size-cells = <1>;
- ranges;
-
- gmac0: ethernet-port@0 {
- compatible = "cortina,gemini-ethernet-port";
- reg = <0x60008000 0x2000>, /* Port 0 DMA/TOE */
- <0x6000a000 0x2000>; /* Port 0 GMAC */
- interrupt-parent = <&intcon>;
- interrupts = <1 IRQ_TYPE_LEVEL_HIGH>;
- resets = <&syscon GEMINI_RESET_GMAC0>;
- clocks = <&syscon GEMINI_CLK_GATE_GMAC0>;
- clock-names = "PCLK";
- phy-mode = "rgmii";
- phy-handle = <&phy0>;
- };
-
- gmac1: ethernet-port@1 {
- compatible = "cortina,gemini-ethernet-port";
- reg = <0x6000c000 0x2000>, /* Port 1 DMA/TOE */
- <0x6000e000 0x2000>; /* Port 1 GMAC */
- interrupt-parent = <&intcon>;
- interrupts = <2 IRQ_TYPE_LEVEL_HIGH>;
- resets = <&syscon GEMINI_RESET_GMAC1>;
- clocks = <&syscon GEMINI_CLK_GATE_GMAC1>;
- clock-names = "PCLK";
- phy-mode = "rgmii";
- phy-handle = <&phy1>;
- };
-};