1*4882a593SmuzhiyunOCTEON/OCTEON+ USB BLOCK 2*4882a593Smuzhiyun 3*4882a593Smuzhiyun1) Main node 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun Required properties: 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun - compatible: must be "cavium,octeon-5750-usbn" 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun - reg: specifies the physical base address of the USBN block and 10*4882a593Smuzhiyun the length of the memory mapped region. 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun - #address-cells: specifies the number of cells needed to encode an 13*4882a593Smuzhiyun address. The value must be 2. 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun - #size-cells: specifies the number of cells used to represent the size 16*4882a593Smuzhiyun of an address. The value must be 2. 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun - ranges: specifies the translation between child address space and parent 19*4882a593Smuzhiyun address space. 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun - clock-frequency: speed of the USB reference clock. Allowed values are 22*4882a593Smuzhiyun 12000000, 24000000 or 48000000. 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun - cavium,refclk-type: type of the USB reference clock. Allowed values are 25*4882a593Smuzhiyun "crystal" or "external". 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun - refclk-frequency: deprecated, use "clock-frequency". 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun - refclk-type: deprecated, use "cavium,refclk-type". 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun2) Child node 32*4882a593Smuzhiyun 33*4882a593Smuzhiyun The main node must have one child node which describes the built-in 34*4882a593Smuzhiyun USB controller. 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun Required properties: 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun - compatible: must be "cavium,octeon-5750-usbc" 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun - reg: specifies the physical base address of the USBC block and 41*4882a593Smuzhiyun the length of the memory mapped region. 42*4882a593Smuzhiyun 43*4882a593Smuzhiyun - interrupts: specifies the interrupt number for the USB controller. 44*4882a593Smuzhiyun 45*4882a593Smuzhiyun3) Example: 46*4882a593Smuzhiyun 47*4882a593Smuzhiyun usbn: usbn@1180068000000 { 48*4882a593Smuzhiyun compatible = "cavium,octeon-5750-usbn"; 49*4882a593Smuzhiyun reg = <0x11800 0x68000000 0x0 0x1000>; 50*4882a593Smuzhiyun ranges; /* Direct mapping */ 51*4882a593Smuzhiyun #address-cells = <2>; 52*4882a593Smuzhiyun #size-cells = <2>; 53*4882a593Smuzhiyun clock-frequency = <12000000>; 54*4882a593Smuzhiyun cavium,refclk-type = "crystal"; 55*4882a593Smuzhiyun 56*4882a593Smuzhiyun usbc@16f0010000000 { 57*4882a593Smuzhiyun compatible = "cavium,octeon-5750-usbc"; 58*4882a593Smuzhiyun reg = <0x16f00 0x10000000 0x0 0x80000>; 59*4882a593Smuzhiyun interrupts = <0 56>; 60*4882a593Smuzhiyun }; 61*4882a593Smuzhiyun }; 62*4882a593Smuzhiyun 63