| ======================================= |
| Kernel driver for Mellanox systems LEDs |
| ======================================= |
| |
| Provide system LED support for the nex Mellanox systems: |
| "msx6710", "msx6720", "msb7700", "msn2700", "msx1410", |
| "msn2410", "msb7800", "msn2740", "msn2100". |
| |
| Description |
| ----------- |
| Driver provides the following LEDs for the systems "msx6710", "msx6720", |
| "msb7700", "msn2700", "msx1410", "msn2410", "msb7800", "msn2740": |
| |
| - mlxcpld:fan1:green |
| - mlxcpld:fan1:red |
| - mlxcpld:fan2:green |
| - mlxcpld:fan2:red |
| - mlxcpld:fan3:green |
| - mlxcpld:fan3:red |
| - mlxcpld:fan4:green |
| - mlxcpld:fan4:red |
| - mlxcpld:psu:green |
| - mlxcpld:psu:red |
| - mlxcpld:status:green |
| - mlxcpld:status:red |
| |
| "status" |
| - CPLD reg offset: 0x20 |
| - Bits [3:0] |
| |
| "psu" |
| - CPLD reg offset: 0x20 |
| - Bits [7:4] |
| |
| "fan1" |
| - CPLD reg offset: 0x21 |
| - Bits [3:0] |
| |
| "fan2" |
| - CPLD reg offset: 0x21 |
| - Bits [7:4] |
| |
| "fan3" |
| - CPLD reg offset: 0x22 |
| - Bits [3:0] |
| |
| "fan4" |
| - CPLD reg offset: 0x22 |
| - Bits [7:4] |
| |
| Color mask for all the above LEDs: |
| |
| [bit3,bit2,bit1,bit0] or |
| [bit7,bit6,bit5,bit4]: |
| |
| - [0,0,0,0] = LED OFF |
| - [0,1,0,1] = Red static ON |
| - [1,1,0,1] = Green static ON |
| - [0,1,1,0] = Red blink 3Hz |
| - [1,1,1,0] = Green blink 3Hz |
| - [0,1,1,1] = Red blink 6Hz |
| - [1,1,1,1] = Green blink 6Hz |
| |
| Driver provides the following LEDs for the system "msn2100": |
| |
| - mlxcpld:fan:green |
| - mlxcpld:fan:red |
| - mlxcpld:psu1:green |
| - mlxcpld:psu1:red |
| - mlxcpld:psu2:green |
| - mlxcpld:psu2:red |
| - mlxcpld:status:green |
| - mlxcpld:status:red |
| - mlxcpld:uid:blue |
| |
| "status" |
| - CPLD reg offset: 0x20 |
| - Bits [3:0] |
| |
| "fan" |
| - CPLD reg offset: 0x21 |
| - Bits [3:0] |
| |
| "psu1" |
| - CPLD reg offset: 0x23 |
| - Bits [3:0] |
| |
| "psu2" |
| - CPLD reg offset: 0x23 |
| - Bits [7:4] |
| |
| "uid" |
| - CPLD reg offset: 0x24 |
| - Bits [3:0] |
| |
| Color mask for all the above LEDs, excepted uid: |
| |
| [bit3,bit2,bit1,bit0] or |
| [bit7,bit6,bit5,bit4]: |
| |
| - [0,0,0,0] = LED OFF |
| - [0,1,0,1] = Red static ON |
| - [1,1,0,1] = Green static ON |
| - [0,1,1,0] = Red blink 3Hz |
| - [1,1,1,0] = Green blink 3Hz |
| - [0,1,1,1] = Red blink 6Hz |
| - [1,1,1,1] = Green blink 6Hz |
| |
| Color mask for uid LED: |
| [bit3,bit2,bit1,bit0]: |
| |
| - [0,0,0,0] = LED OFF |
| - [1,1,0,1] = Blue static ON |
| - [1,1,1,0] = Blue blink 3Hz |
| - [1,1,1,1] = Blue blink 6Hz |
| |
| Driver supports HW blinking at 3Hz and 6Hz frequency (50% duty cycle). |
| For 3Hz duty cycle is about 167 msec, for 6Hz is about 83 msec. |
