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