diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2022-08-05 04:19:14 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-08-05 04:19:14 +0300 |
commit | 5f0848190c6dd0f5b8a2aaf0f1d900a96d96bee0 (patch) | |
tree | 37d5630a4e6d849123951f0b3fe3aa685561b9f0 /Documentation/ABI | |
parent | 5bb3bf24b0aaa76253c77e437b88927a32a10c4e (diff) | |
parent | 3d46d78480757e6d403c3bc2b32d2b05ecbed543 (diff) | |
download | linux-5f0848190c6dd0f5b8a2aaf0f1d900a96d96bee0.tar.xz |
Merge tag 'platform-drivers-x86-v6.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver updates from Hans de Goede:
- Microsoft Surface:
- SSAM hot unplug support
- Surface Pro 8 keyboard cover support
- Tablet mode switch support for Surface Pro 8 and Surface Laptop
Studio
- thinkpad_acpi:
- AMD Automatice Mode Transitions (AMT) support
- Mellanox:
- Vulcan chassis COMe NVSwitch management support
- XH3000 support
- New generic/shared Intel P2SB (Primary to Sideband) support
- Lots of small cleanups
- Various small bugfixes
- Various new hardware ids / quirks additions
* tag 'platform-drivers-x86-v6.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (105 commits)
platform/x86/intel/vsec: Fix wrong type for local status variables
platform/x86: p2sb: Move out of X86_PLATFORM_DEVICES dependency
platform/x86: pmc_atom: Fix comment typo
platform/surface: gpe: Add support for 13" Intel version of Surface Laptop 4
platform/olpc: Fix uninitialized data in debugfs write
platform/mellanox: mlxreg-lc: Fix error flow and extend verbosity
platform/x86: pmc_atom: Match all Lex BayTrail boards with critclk_systems DMI table
platform/x86: sony-laptop: Remove useless comparisons in sony_pic_read_possible_resource()
tools/power/x86/intel-speed-select: Remove unneeded semicolon
tools/power/x86/intel-speed-select: Fix off by one check
platform/surface: tabletsw: Fix __le32 integer access
Documentation/ABI: Add new attributes for mlxreg-io sysfs interfaces
Documentation/ABI: mlxreg-io: Fix contact info
platform/mellanox: mlxreg-io: Add locking for io operations
platform/x86: mlx-platform: Add COME board revision register
platform/x86: mlx-platform: Add support for new system XH3000
platform/x86: mlx-platform: Introduce support for COMe NVSwitch management module for Vulcan chassis
platform/x86: mlx-platform: Add support for systems equipped with two ASICs
platform/x86: mlx-platform: Add cosmetic changes for alignment
platform/x86: mlx-platform: Make activation of some drivers conditional
...
Diffstat (limited to 'Documentation/ABI')
-rw-r--r-- | Documentation/ABI/stable/sysfs-driver-mlxreg-io | 81 | ||||
-rw-r--r-- | Documentation/ABI/testing/sysfs-bus-surface_aggregator-tabletsw | 57 |
2 files changed, 117 insertions, 21 deletions
diff --git a/Documentation/ABI/stable/sysfs-driver-mlxreg-io b/Documentation/ABI/stable/sysfs-driver-mlxreg-io index b312242d4f40..af0cbf143c48 100644 --- a/Documentation/ABI/stable/sysfs-driver-mlxreg-io +++ b/Documentation/ABI/stable/sysfs-driver-mlxreg-io @@ -1,7 +1,7 @@ What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/asic_health Date: June 2018 KernelVersion: 4.19 -Contact: Vadim Pasternak <vadimpmellanox.com> +Contact: Vadim Pasternak <vadimp@nvidia.com> Description: This file shows ASIC health status. The possible values are: 0 - health failed, 2 - health OK, 3 - ASIC in booting state. @@ -11,7 +11,7 @@ What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld1_version What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld2_version Date: June 2018 KernelVersion: 4.19 -Contact: Vadim Pasternak <vadimpmellanox.com> +Contact: Vadim Pasternak <vadimp@nvidia.com> Description: These files show with which CPLD versions have been burned on carrier and switch boards. @@ -20,7 +20,7 @@ Description: These files show with which CPLD versions have been burned What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/fan_dir Date: December 2018 KernelVersion: 5.0 -Contact: Vadim Pasternak <vadimpmellanox.com> +Contact: Vadim Pasternak <vadimp@nvidia.com> Description: This file shows the system fans direction: forward direction - relevant bit is set 0; reversed direction - relevant bit is set 1. @@ -30,7 +30,7 @@ Description: This file shows the system fans direction: What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld3_version Date: November 2018 KernelVersion: 5.0 -Contact: Vadim Pasternak <vadimpmellanox.com> +Contact: Vadim Pasternak <vadimp@nvidia.com> Description: These files show with which CPLD versions have been burned on LED or Gearbox board. @@ -39,7 +39,7 @@ Description: These files show with which CPLD versions have been burned What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/jtag_enable Date: November 2018 KernelVersion: 5.0 -Contact: Vadim Pasternak <vadimpmellanox.com> +Contact: Vadim Pasternak <vadimp@nvidia.com> Description: These files enable and disable the access to the JTAG domain. By default access to the JTAG domain is disabled. @@ -48,7 +48,7 @@ Description: These files enable and disable the access to the JTAG domain. What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/select_iio Date: June 2018 KernelVersion: 4.19 -Contact: Vadim Pasternak <vadimpmellanox.com> +Contact: Vadim Pasternak <vadimp@nvidia.com> Description: This file allows iio devices selection. Attribute select_iio can be written with 0 or with 1. It @@ -62,7 +62,7 @@ What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/psu1_on /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/pwr_down Date: June 2018 KernelVersion: 4.19 -Contact: Vadim Pasternak <vadimpmellanox.com> +Contact: Vadim Pasternak <vadimp@nvidia.com> Description: These files allow asserting system power cycling, switching power supply units on and off and system's main power domain shutdown. @@ -89,7 +89,7 @@ What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_short_pb What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_sw_reset Date: June 2018 KernelVersion: 4.19 -Contact: Vadim Pasternak <vadimpmellanox.com> +Contact: Vadim Pasternak <vadimp@nvidia.com> Description: These files show the system reset cause, as following: power auxiliary outage or power refresh, ASIC thermal shutdown, halt, hotswap, watchdog, firmware reset, long press power button, @@ -106,7 +106,7 @@ What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_system What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_voltmon_upgrade_fail Date: November 2018 KernelVersion: 5.0 -Contact: Vadim Pasternak <vadimpmellanox.com> +Contact: Vadim Pasternak <vadimp@nvidia.com> Description: These files show the system reset cause, as following: ComEx power fail, reset from ComEx, system platform reset, reset due to voltage monitor devices upgrade failure, @@ -119,7 +119,7 @@ Description: These files show the system reset cause, as following: ComEx What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld4_version Date: November 2018 KernelVersion: 5.0 -Contact: Vadim Pasternak <vadimpmellanox.com> +Contact: Vadim Pasternak <vadimp@nvidia.com> Description: These files show with which CPLD versions have been burned on LED board. @@ -133,7 +133,7 @@ What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_sff_wd What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_swb_wd Date: June 2019 KernelVersion: 5.3 -Contact: Vadim Pasternak <vadimpmellanox.com> +Contact: Vadim Pasternak <vadimp@nvidia.com> Description: These files show the system reset cause, as following: COMEX thermal shutdown; wathchdog power off or reset was derived by one of the next components: COMEX, switch board or by Small Form @@ -148,7 +148,7 @@ What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/config1 What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/config2 Date: January 2020 KernelVersion: 5.6 -Contact: Vadim Pasternak <vadimpmellanox.com> +Contact: Vadim Pasternak <vadimp@nvidia.com> Description: These files show system static topology identification like system's static I2C topology, number and type of FPGA devices within the system and so on. @@ -161,7 +161,7 @@ What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_soc What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_sw_pwr_off Date: January 2020 KernelVersion: 5.6 -Contact: Vadim Pasternak <vadimpmellanox.com> +Contact: Vadim Pasternak <vadimp@nvidia.com> Description: These files show the system reset causes, as following: reset due to AC power failure, reset invoked from software by assertion reset signal through CPLD. reset caused by signal @@ -173,7 +173,7 @@ Description: These files show the system reset causes, as following: reset What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/pcie_asic_reset_dis Date: January 2020 KernelVersion: 5.6 -Contact: Vadim Pasternak <vadimpmellanox.com> +Contact: Vadim Pasternak <vadimp@nvidia.com> Description: This file allows to retain ASIC up during PCIe root complex reset, when attribute is set 1. @@ -182,7 +182,7 @@ Description: This file allows to retain ASIC up during PCIe root complex What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/vpd_wp Date: January 2020 KernelVersion: 5.6 -Contact: Vadim Pasternak <vadimpmellanox.com> +Contact: Vadim Pasternak <vadimp@nvidia.com> Description: This file allows to overwrite system VPD hardware write protection when attribute is set 1. @@ -191,7 +191,7 @@ Description: This file allows to overwrite system VPD hardware write What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/voltreg_update_status Date: January 2020 KernelVersion: 5.6 -Contact: Vadim Pasternak <vadimpmellanox.com> +Contact: Vadim Pasternak <vadimp@nvidia.com> Description: This file exposes the configuration update status of burnable voltage regulator devices. The status values are as following: 0 - OK; 1 - CRC failure; 2 = I2C failure; 3 - in progress. @@ -201,7 +201,7 @@ Description: This file exposes the configuration update status of burnable What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/ufm_version Date: January 2020 KernelVersion: 5.6 -Contact: Vadim Pasternak <vadimpmellanox.com> +Contact: Vadim Pasternak <vadimp@nvidia.com> Description: This file exposes the firmware version of burnable voltage regulator devices. @@ -217,7 +217,7 @@ 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> +Contact: Vadim Pasternak <vadimp@nvidia.com> Description: These files show with which CPLD part numbers and minor versions have been burned CPLD devices equipped on a system. @@ -471,7 +471,7 @@ Description: These files provide the maximum powered required for line card What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/phy_reset Date: May 2022 KernelVersion: 5.19 -Contact: Vadim Pasternak <vadimpmellanox.com> +Contact: Vadim Pasternak <vadimp@nvidia.com> Description: This file allows to reset PHY 88E1548 when attribute is set 0 due to some abnormal PHY behavior. Expected behavior: @@ -483,7 +483,7 @@ Description: This file allows to reset PHY 88E1548 when attribute is set 0 What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/mac_reset Date: May 2022 KernelVersion: 5.19 -Contact: Vadim Pasternak <vadimpmellanox.com> +Contact: Vadim Pasternak <vadimp@nvidia.com> Description: This file allows to reset ASIC MT52132 when attribute is set 0 due to some abnormal ASIC behavior. Expected behavior: @@ -495,7 +495,7 @@ Description: This file allows to reset ASIC MT52132 when attribute is set 0 What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/qsfp_pwr_good Date: May 2022 KernelVersion: 5.19 -Contact: Vadim Pasternak <vadimpmellanox.com> +Contact: Vadim Pasternak <vadimp@nvidia.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. @@ -503,3 +503,42 @@ Description: This file shows QSFP ports power status. The value is set to 0 0 - Power good, 1 - Not power good. The files are read only. + +What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/asic2_health +Date: July 2022 +KernelVersion: 5.20 +Contact: Vadim Pasternak <vadimp@nvidia.com> +Description: This file shows 2-nd ASIC health status. The possible values are: + 0 - health failed, 2 - health OK, 3 - ASIC in booting state. + + The file is read only. + +What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/asic_reset +What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/asic2_reset +Date: July 2022 +KernelVersion: 5.20 +Contact: Vadim Pasternak <vadimp@nvidia.com> +Description: These files allow to each of ASICs by writing 1. + + The files are write only. + + +What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/comm_chnl_ready +Date: July 2022 +KernelVersion: 5.20 +Contact: Vadim Pasternak <vadimp@nvidia.com> +Description: This file is used to indicate remote end (for example BMC) that system + host CPU is ready for sending telemetry data to remote end. + For indication the file should be written 1. + + The file is write only. + +What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/config3 +Date: January 2020 +KernelVersion: 5.6 +Contact: Vadim Pasternak <vadimp@nvidia.com> +Description: The file indicates COME module hardware configuration. + The value is pushed by hardware through GPIO pins. + The purpose is to expose some minor BOM changes for the same system SKU. + + The file is read only. diff --git a/Documentation/ABI/testing/sysfs-bus-surface_aggregator-tabletsw b/Documentation/ABI/testing/sysfs-bus-surface_aggregator-tabletsw new file mode 100644 index 000000000000..74cd9d754e60 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-surface_aggregator-tabletsw @@ -0,0 +1,57 @@ +What: /sys/bus/surface_aggregator/devices/01:0e:01:00:01/state +Date: July 2022 +KernelVersion: 5.20 +Contact: Maximilian Luz <luzmaximilian@gmail.com> +Description: + This attribute returns a string with the current type-cover + or device posture, as indicated by the embedded controller. + Currently returned posture states are: + + - "disconnected": The type-cover has been disconnected. + + - "closed": The type-cover has been folded closed and lies on + top of the display. + + - "laptop": The type-cover is open and in laptop-mode, i.e., + ready for normal use. + + - "folded-canvas": The type-cover has been folded back + part-ways, but does not lie flush with the back side of the + device. In general, this means that the kick-stand is used + and extended atop of the cover. + + - "folded-back": The type cover has been fully folded back and + lies flush with the back side of the device. + + - "<unknown>": The current state is unknown to the driver, for + example due to newer as-of-yet unsupported hardware. + + New states may be introduced with new hardware. Users therefore + must not rely on this list of states being exhaustive and + gracefully handle unknown states. + +What: /sys/bus/surface_aggregator/devices/01:26:01:00:01/state +Date: July 2022 +KernelVersion: 5.20 +Contact: Maximilian Luz <luzmaximilian@gmail.com> +Description: + This attribute returns a string with the current device posture, as indicated by the embedded controller. Currently + returned posture states are: + + - "closed": The lid of the device is closed. + + - "laptop": The lid of the device is opened and the device + operates as a normal laptop. + + - "slate": The screen covers the keyboard or has been flipped + back and the device operates mainly based on touch input. + + - "tablet": The device operates as tablet and exclusively + relies on touch input (or external peripherals). + + - "<unknown>": The current state is unknown to the driver, for + example due to newer as-of-yet unsupported hardware. + + New states may be introduced with new hardware. Users therefore + must not rely on this list of states being exhaustive and + gracefully handle unknown states. |