From: Vadim Pasternak Date: Tue, 22 Aug 2023 11:34:51 +0000 (+0000) Subject: Documentation/ABI: Add new attribute for mlxreg-io sysfs interfaces X-Git-Tag: v6.6.7~2021^2~7 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=42bab8eac42584ecae2357a1a12b6588ee4cc53c;p=platform%2Fkernel%2Flinux-starfive.git Documentation/ABI: Add new attribute for mlxreg-io sysfs interfaces Add documentation for the new attributes: - CPLD versioning: "cpld5_pn", "cpld5_version", "cpld5_version_min". - JTAG capability: "jtag_cap", indicating the available method of CPLD/FPGA devices field update. - System lid status: "lid_open". - Reset caused by long press of power button: "reset_long_pwr_pb". - Reset caused by switch board DC-DC converter device failure: "reset_swb_dc_dc_pwr_fail". Signed-off-by: Vadim Pasternak Reviewed-by: Michael Shych Reviewed-by: Hans de Goede Reviewed-by: Ilpo Järvinen Link: https://lore.kernel.org/r/20230822113451.13785-17-vadimp@nvidia.com Signed-off-by: Hans de Goede --- diff --git a/Documentation/ABI/stable/sysfs-driver-mlxreg-io b/Documentation/ABI/stable/sysfs-driver-mlxreg-io index 6095390..2cdfd09 100644 --- a/Documentation/ABI/stable/sysfs-driver-mlxreg-io +++ b/Documentation/ABI/stable/sysfs-driver-mlxreg-io @@ -662,3 +662,56 @@ Description: This file shows the system reset cause due to AC power failure. Value 1 in file means this is reset cause, 0 - otherwise. The file is read only. + +What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld5_pn +What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld5_version +What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld5_version_min +Date: August 2023 +KernelVersion: 6.6 +Contact: Vadim Pasternak +Description: These files show with which CPLD part numbers, version and minor + versions have been burned the 5-th CPLD device equipped on a + system. + + The files are read only. + +What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/jtag_cap +Date: August 2023 +KernelVersion: 6.6 +Contact: Vadim Pasternak +Description: This file indicates the available method of CPLD/FPGA devices + field update through the JTAG chain: + + b00 - field update through LPC bus register memory space. + b01 - Reserved. + b10 - Reserved. + b11 - field update through CPU GPIOs bit-banging. + + The file is read only. + +What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/lid_open +Date: August 2023 +KernelVersion: 6.6 +Contact: Vadim Pasternak +Description: 1 - indicates that system lid is opened, otherwise 0. + + The file is read only. + +What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_long_pwr_pb +Date: August 2023 +KernelVersion: 6.6 +Contact: Vadim Pasternak +Description: This file if set 1 indicates that system has been reset by + long press of power button. + + The file is read only. + +What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_swb_dc_dc_pwr_fail +Date: August 2023 +KernelVersion: 6.6 +Contact: Vadim Pasternak +Description: This file shows 1 in case the system reset happened due to the + failure of any DC-DC power converter devices equipped on the + switch board. + + The file is read only.