diff options
Diffstat (limited to 'Documentation/ABI/stable/sysfs-driver-mlxreg-io')
| -rw-r--r-- | Documentation/ABI/stable/sysfs-driver-mlxreg-io | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/Documentation/ABI/stable/sysfs-driver-mlxreg-io b/Documentation/ABI/stable/sysfs-driver-mlxreg-io index 12c3f895cd2f..b312242d4f40 100644 --- a/Documentation/ABI/stable/sysfs-driver-mlxreg-io +++ b/Documentation/ABI/stable/sysfs-driver-mlxreg-io @@ -467,3 +467,39 @@ Description: These files provide the maximum powered required for line card feeding and line card configuration Id. The files are read only. + +What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/phy_reset +Date: May 2022 +KernelVersion: 5.19 +Contact: Vadim Pasternak <vadimpmellanox.com> +Description: This file allows to reset PHY 88E1548 when attribute is set 0 + due to some abnormal PHY behavior. + Expected behavior: + When phy_reset is written 1, all PHY 88E1548 are released + from the reset state, when 0 - are hold in reset state. + + The files are read/write. + +What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/mac_reset +Date: May 2022 +KernelVersion: 5.19 +Contact: Vadim Pasternak <vadimpmellanox.com> +Description: This file allows to reset ASIC MT52132 when attribute is set 0 + due to some abnormal ASIC behavior. + Expected behavior: + When mac_reset is written 1, the ASIC MT52132 is released + from the reset state, when 0 - is hold in reset state. + + The files are read/write. + +What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/qsfp_pwr_good +Date: May 2022 +KernelVersion: 5.19 +Contact: Vadim Pasternak <vadimpmellanox.com> +Description: This file shows QSFP ports power status. The value is set to 0 + when one of any QSFP ports is plugged. The value is set to 1 when + there are no any QSFP ports are plugged. + The possible values are: + 0 - Power good, 1 - Not power good. + + The files are read only. |