Documentation/ABI: Add new attribute for mlxreg-io sysfs interfaces

Add documentation for the new attributes for exposing CPLDs part
numbers and CPLD minor versions.

Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

diff --git a/Documentation/ABI/stable/sysfs-driver-mlxreg-io b/Documentation/ABI/stable/sysfs-driver-mlxreg-io
index b0d90cc..fd9a804 100644 (file)
--- a/Documentation/ABI/stable/sysfs-driver-mlxreg-io
+++ b/Documentation/ABI/stable/sysfs-driver-mlxreg-io
@@ -206,3 +206,20 @@ Description:       This file exposes the firmware version of burnable voltage
                regulator devices.
 
                The file is read only.
+
+What:          /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld1_pn
+What:          /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld2_pn
+What:          /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld3_pn
+What:          /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld4_pn
+What:          /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld1_version_min
+What:          /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld2_version_min
+What:          /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld3_version_min
+What:          /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld4_version_min
+Date:          July 2020
+KernelVersion: 5.9
+Contact:       Vadim Pasternak <vadimpmellanox.com>
+Description:   These files show with which CPLD part numbers and minor
+               versions have been burned CPLD devices equipped on a
+               system.
+
+               The files are read only.