QCA Edma Module
----------------------

This driver adds support for the Edma module

1. QCA Ethernet DMA
----------------------

Required properties:
  - compatible = "qcom,ess-edma";

Optional properties:

Example:
    edma@c080000 {
	compatible = "qcom,ess-edma";
	reg = <0xc080000 0x8000>;
	qcom,page-mode = <0>;
	qcom,rx-head-buf-size = <1540>;
	qcom,num-gmac = <2>;
	interrupts = <0 65 1>,
		   <0 66 1>,
		   <0 67 1>,
		   <0 68 1>,
		   <0 69 1>,
		   <0 70 1>,
		   <0 71 1>,
		   <0 72 1>,
		   <0 73 1>,
		   <0 74 1>,
		   <0 75 1>,
		   <0 76 1>,
		   <0 77 1>,
		   <0 78 1>,
		   <0 79 1>,
		   <0 80 1>,
		   <0 240 1>,
		   <0 241 1>,
		   <0 242 1>,
		   <0 243 1>,
		   <0 244 1>,
		   <0 245 1>,
		   <0 246 1>,
		   <0 247 1>,
		   <0 248 1>,
		   <0 249 1>,
		   <0 250 1>,
		   <0 251 1>,
		   <0 252 1>,
		   <0 253 1>,
		   <0 254 1>,
		   <0 255 1>;

		gmac0 {
                                local-mac-address = [000000000000];
                                qcom,phy-mdio-addr = <4>;
                                qcom,poll-required = <1>;
                                qcom,forced-speed = <1000>;
                                qcom,forced-duplex = <1>;
                                vlan-tag = <2 0x20>;
                        };
                gmac1 {
                                local-mac-address = [000000000000];
                                vlan-tag = <1 0x1e>;
                        };

   };