mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-21 13:38:24 +07:00
8dab91970a
Rename the leds documentation files to ReST, add an index for them and adjust in order to produce a nice html output via the Sphinx build system. At its new index.rst, let's add a :orphan: while this is not linked to the main index.rst file, in order to avoid build warnings. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
119 lines
2.4 KiB
ReStructuredText
119 lines
2.4 KiB
ReStructuredText
=======================================
|
|
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 cylce is about 167 msec, for 6Hz is about 83 msec.
|