1======================================= 2Kernel driver for Mellanox systems LEDs 3======================================= 4 5Provide system LED support for the nex Mellanox systems: 6"msx6710", "msx6720", "msb7700", "msn2700", "msx1410", 7"msn2410", "msb7800", "msn2740", "msn2100". 8 9Description 10----------- 11Driver provides the following LEDs for the systems "msx6710", "msx6720", 12"msb7700", "msn2700", "msx1410", "msn2410", "msb7800", "msn2740": 13 14 - mlxcpld:fan1:green 15 - mlxcpld:fan1:red 16 - mlxcpld:fan2:green 17 - mlxcpld:fan2:red 18 - mlxcpld:fan3:green 19 - mlxcpld:fan3:red 20 - mlxcpld:fan4:green 21 - mlxcpld:fan4:red 22 - mlxcpld:psu:green 23 - mlxcpld:psu:red 24 - mlxcpld:status:green 25 - mlxcpld:status:red 26 27 "status" 28 - CPLD reg offset: 0x20 29 - Bits [3:0] 30 31 "psu" 32 - CPLD reg offset: 0x20 33 - Bits [7:4] 34 35 "fan1" 36 - CPLD reg offset: 0x21 37 - Bits [3:0] 38 39 "fan2" 40 - CPLD reg offset: 0x21 41 - Bits [7:4] 42 43 "fan3" 44 - CPLD reg offset: 0x22 45 - Bits [3:0] 46 47 "fan4" 48 - CPLD reg offset: 0x22 49 - Bits [7:4] 50 51 Color mask for all the above LEDs: 52 53 [bit3,bit2,bit1,bit0] or 54 [bit7,bit6,bit5,bit4]: 55 56 - [0,0,0,0] = LED OFF 57 - [0,1,0,1] = Red static ON 58 - [1,1,0,1] = Green static ON 59 - [0,1,1,0] = Red blink 3Hz 60 - [1,1,1,0] = Green blink 3Hz 61 - [0,1,1,1] = Red blink 6Hz 62 - [1,1,1,1] = Green blink 6Hz 63 64Driver provides the following LEDs for the system "msn2100": 65 66 - mlxcpld:fan:green 67 - mlxcpld:fan:red 68 - mlxcpld:psu1:green 69 - mlxcpld:psu1:red 70 - mlxcpld:psu2:green 71 - mlxcpld:psu2:red 72 - mlxcpld:status:green 73 - mlxcpld:status:red 74 - mlxcpld:uid:blue 75 76 "status" 77 - CPLD reg offset: 0x20 78 - Bits [3:0] 79 80 "fan" 81 - CPLD reg offset: 0x21 82 - Bits [3:0] 83 84 "psu1" 85 - CPLD reg offset: 0x23 86 - Bits [3:0] 87 88 "psu2" 89 - CPLD reg offset: 0x23 90 - Bits [7:4] 91 92 "uid" 93 - CPLD reg offset: 0x24 94 - Bits [3:0] 95 96 Color mask for all the above LEDs, excepted uid: 97 98 [bit3,bit2,bit1,bit0] or 99 [bit7,bit6,bit5,bit4]: 100 101 - [0,0,0,0] = LED OFF 102 - [0,1,0,1] = Red static ON 103 - [1,1,0,1] = Green static ON 104 - [0,1,1,0] = Red blink 3Hz 105 - [1,1,1,0] = Green blink 3Hz 106 - [0,1,1,1] = Red blink 6Hz 107 - [1,1,1,1] = Green blink 6Hz 108 109 Color mask for uid LED: 110 [bit3,bit2,bit1,bit0]: 111 112 - [0,0,0,0] = LED OFF 113 - [1,1,0,1] = Blue static ON 114 - [1,1,1,0] = Blue blink 3Hz 115 - [1,1,1,1] = Blue blink 6Hz 116 117Driver supports HW blinking at 3Hz and 6Hz frequency (50% duty cycle). 118For 3Hz duty cylce is about 167 msec, for 6Hz is about 83 msec. 119