diff options
Diffstat (limited to 'Documentation/ABI/testing')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-coresight-devices-etm3x | 2 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-coresight-devices-etm4x | 2 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-iio | 18 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-iio-trigger-sysfs | 9 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-usb | 14 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-cxl | 10 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-power-twl4030 | 45 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-driver-sunxi-sid | 22 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-driver-wacom | 19 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-gpio | 3 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-hypervisor-pmu | 23 |
11 files changed, 132 insertions, 35 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm3x b/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm3x index b4d0b99af..d72ca1736 100644 --- a/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm3x +++ b/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm3x @@ -112,7 +112,7 @@ KernelVersion: 3.19 Contact: Mathieu Poirier <mathieu.poirier@linaro.org> Description: (RW) Mask to apply to all the context ID comparator. -What: /sys/bus/coresight/devices/<memory_map>.[etm|ptm]/ctxid_val +What: /sys/bus/coresight/devices/<memory_map>.[etm|ptm]/ctxid_pid Date: November 2014 KernelVersion: 3.19 Contact: Mathieu Poirier <mathieu.poirier@linaro.org> diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm4x b/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm4x index 2fe2e3dae..2355ed8ae 100644 --- a/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm4x +++ b/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm4x @@ -249,7 +249,7 @@ KernelVersion: 4.01 Contact: Mathieu Poirier <mathieu.poirier@linaro.org> Description: (RW) Select which context ID comparator to work with. -What: /sys/bus/coresight/devices/<memory_map>.etm/ctxid_val +What: /sys/bus/coresight/devices/<memory_map>.etm/ctxid_pid Date: April 2015 KernelVersion: 4.01 Contact: Mathieu Poirier <mathieu.poirier@linaro.org> diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio index 70c9b1ac6..42d360fe6 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio +++ b/Documentation/ABI/testing/sysfs-bus-iio @@ -413,6 +413,11 @@ Description: to compute the calories burnt by the user. What: /sys/bus/iio/devices/iio:deviceX/in_accel_scale_available +What: /sys/.../iio:deviceX/in_anglvel_scale_available +What: /sys/.../iio:deviceX/in_magn_scale_available +What: /sys/.../iio:deviceX/in_illuminance_scale_available +What: /sys/.../iio:deviceX/in_intensity_scale_available +What: /sys/.../iio:deviceX/in_proximity_scale_available What: /sys/.../iio:deviceX/in_voltageX_scale_available What: /sys/.../iio:deviceX/in_voltage-voltage_scale_available What: /sys/.../iio:deviceX/out_voltageX_scale_available @@ -488,7 +493,7 @@ Contact: linux-iio@vger.kernel.org Description: Specifies the output powerdown mode. DAC output stage is disconnected from the amplifier and - 1kohm_to_gnd: connected to ground via an 1kOhm resistor, + 1kohm_to_gnd: connected to ground via an 1kOhm resistor, 6kohm_to_gnd: connected to ground via a 6kOhm resistor, 20kohm_to_gnd: connected to ground via a 20kOhm resistor, 100kohm_to_gnd: connected to ground via an 100kOhm resistor, @@ -498,9 +503,9 @@ Description: outX_powerdown_mode_available. If Y is not present the mode is shared across all outputs. -What: /sys/.../iio:deviceX/out_votlageY_powerdown_mode_available +What: /sys/.../iio:deviceX/out_voltageY_powerdown_mode_available What: /sys/.../iio:deviceX/out_voltage_powerdown_mode_available -What: /sys/.../iio:deviceX/out_altvotlageY_powerdown_mode_available +What: /sys/.../iio:deviceX/out_altvoltageY_powerdown_mode_available What: /sys/.../iio:deviceX/out_altvoltage_powerdown_mode_available KernelVersion: 2.6.38 Contact: linux-iio@vger.kernel.org @@ -1035,13 +1040,6 @@ Contact: linux-iio@vger.kernel.org Description: Number of scans contained by the buffer. -What: /sys/bus/iio/devices/iio:deviceX/buffer/bytes_per_datum -KernelVersion: 2.6.37 -Contact: linux-iio@vger.kernel.org -Description: - Bytes per scan. Due to alignment fun, the scan may be larger - than implied directly by the scan_element parameters. - What: /sys/bus/iio/devices/iio:deviceX/buffer/enable KernelVersion: 2.6.35 Contact: linux-iio@vger.kernel.org diff --git a/Documentation/ABI/testing/sysfs-bus-iio-trigger-sysfs b/Documentation/ABI/testing/sysfs-bus-iio-trigger-sysfs index 5235e6c74..bbb039237 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio-trigger-sysfs +++ b/Documentation/ABI/testing/sysfs-bus-iio-trigger-sysfs @@ -9,3 +9,12 @@ Description: automated testing or in situations, where other trigger methods are not applicable. For example no RTC or spare GPIOs. X is the IIO index of the trigger. + +What: /sys/bus/iio/devices/triggerX/name +KernelVersion: 2.6.39 +Contact: linux-iio@vger.kernel.org +Description: + The name attribute holds a description string for the current + trigger. In order to associate the trigger with an IIO device + one should write this name string to + /sys/bus/iio/devices/iio:deviceY/trigger/current_trigger. diff --git a/Documentation/ABI/testing/sysfs-bus-usb b/Documentation/ABI/testing/sysfs-bus-usb index e5cc7633d..864637f25 100644 --- a/Documentation/ABI/testing/sysfs-bus-usb +++ b/Documentation/ABI/testing/sysfs-bus-usb @@ -114,6 +114,20 @@ Description: enabled for the device. Developer can write y/Y/1 or n/N/0 to the file to enable/disable the feature. +What: /sys/bus/usb/devices/.../power/usb3_hardware_lpm +Date: June 2015 +Contact: Kevin Strasser <kevin.strasser@linux.intel.com> +Description: + If CONFIG_PM is set and a USB 3.0 lpm-capable device is plugged + in to a xHCI host which supports link PM, it will check if U1 + and U2 exit latencies have been set in the BOS descriptor; if + the check is is passed and the host supports USB3 hardware LPM, + USB3 hardware LPM will be enabled for the device and the USB + device directory will contain a file named + power/usb3_hardware_lpm. The file holds a string value (enable + or disable) indicating whether or not USB3 hardware LPM is + enabled for the device. + What: /sys/bus/usb/devices/.../removable Date: February 2012 Contact: Matthew Garrett <mjg@redhat.com> diff --git a/Documentation/ABI/testing/sysfs-class-cxl b/Documentation/ABI/testing/sysfs-class-cxl index acfe9df83..b07e86d45 100644 --- a/Documentation/ABI/testing/sysfs-class-cxl +++ b/Documentation/ABI/testing/sysfs-class-cxl @@ -223,3 +223,13 @@ Description: write only Writing 1 will issue a PERST to card which may cause the card to reload the FPGA depending on load_image_on_perst. Users: https://github.com/ibm-capi/libcxl + +What: /sys/class/cxl/<card>/perst_reloads_same_image +Date: July 2015 +Contact: linuxppc-dev@lists.ozlabs.org +Description: read/write + Trust that when an image is reloaded via PERST, it will not + have changed. + 0 = don't trust, the image may be different (default) + 1 = trust that the image will not change. +Users: https://github.com/ibm-capi/libcxl diff --git a/Documentation/ABI/testing/sysfs-class-power-twl4030 b/Documentation/ABI/testing/sysfs-class-power-twl4030 new file mode 100644 index 000000000..be26af0f1 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-class-power-twl4030 @@ -0,0 +1,45 @@ +What: /sys/class/power_supply/twl4030_ac/max_current + /sys/class/power_supply/twl4030_usb/max_current +Description: + Read/Write limit on current which may + be drawn from the ac (Accessory Charger) or + USB port. + + Value is in micro-Amps. + + Value is set automatically to an appropriate + value when a cable is plugged or unplugged. + + Value can the set by writing to the attribute. + The change will only persist until the next + plug event. These event are reported via udev. + + +What: /sys/class/power_supply/twl4030_usb/mode +Description: + Changing mode for USB port. + Writing to this can disable charging. + + Possible values are: + "auto" - draw power as appropriate for detected + power source and battery status. + "off" - do not draw any power. + "continuous" + - activate mode described as "linear" in + TWL data sheets. This uses whatever + current is available and doesn't switch off + when voltage drops. + + This is useful for unstable power sources + such as bicycle dynamo, but care should + be taken that battery is not over-charged. + +What: /sys/class/power_supply/twl4030_ac/mode +Description: + Changing mode for 'ac' port. + Writing to this can disable charging. + + Possible values are: + "auto" - draw power as appropriate for detected + power source and battery status. + "off" - do not draw any power. diff --git a/Documentation/ABI/testing/sysfs-driver-sunxi-sid b/Documentation/ABI/testing/sysfs-driver-sunxi-sid deleted file mode 100644 index ffb9536f6..000000000 --- a/Documentation/ABI/testing/sysfs-driver-sunxi-sid +++ /dev/null @@ -1,22 +0,0 @@ -What: /sys/devices/*/<our-device>/eeprom -Date: August 2013 -Contact: Oliver Schinagl <oliver@schinagl.nl> -Description: read-only access to the SID (Security-ID) on current - A-series SoC's from Allwinner. Currently supports A10, A10s, A13 - and A20 CPU's. The earlier A1x series of SoCs exports 16 bytes, - whereas the newer A20 SoC exposes 512 bytes split into sections. - Besides the 16 bytes of SID, there's also an SJTAG area, - HDMI-HDCP key and some custom keys. Below a quick overview, for - details see the user manual: - 0x000 128 bit root-key (sun[457]i) - 0x010 128 bit boot-key (sun7i) - 0x020 64 bit security-jtag-key (sun7i) - 0x028 16 bit key configuration (sun7i) - 0x02b 16 bit custom-vendor-key (sun7i) - 0x02c 320 bit low general key (sun7i) - 0x040 32 bit read-control access (sun7i) - 0x064 224 bit low general key (sun7i) - 0x080 2304 bit HDCP-key (sun7i) - 0x1a0 768 bit high general key (sun7i) -Users: any user space application which wants to read the SID on - Allwinner's A-series of CPU's. diff --git a/Documentation/ABI/testing/sysfs-driver-wacom b/Documentation/ABI/testing/sysfs-driver-wacom index c4f0fed64..dca429340 100644 --- a/Documentation/ABI/testing/sysfs-driver-wacom +++ b/Documentation/ABI/testing/sysfs-driver-wacom @@ -77,3 +77,22 @@ Description: The format is also scrambled, like in the USB mode, and it can be summarized by converting 76543210 into GECA6420. HGFEDCBA HFDB7531 + +What: /sys/bus/hid/devices/<bus>:<vid>:<pid>.<n>/wacom_remote/unpair_remote +Date: July 2015 +Contact: linux-input@vger.kernel.org +Description: + Writing the character sequence '*' followed by a newline to + this file will delete all of the current pairings on the + device. Other character sequences are reserved. This file is + write only. + +What: /sys/bus/hid/devices/<bus>:<vid>:<pid>.<n>/wacom_remote/<serial_number>/remote_mode +Date: July 2015 +Contact: linux-input@vger.kernel.org +Description: + Reading from this file reports the mode status of the + remote as indicated by the LED lights on the device. If no + reports have been received from the paired device, reading + from this file will report '-1'. The mode is read-only + and cannot be set through the driver. diff --git a/Documentation/ABI/testing/sysfs-gpio b/Documentation/ABI/testing/sysfs-gpio index 80f4c94c7..55ffa2df1 100644 --- a/Documentation/ABI/testing/sysfs-gpio +++ b/Documentation/ABI/testing/sysfs-gpio @@ -16,7 +16,8 @@ Description: /sys/class/gpio /export ... asks the kernel to export a GPIO to userspace /unexport ... to return a GPIO to the kernel - /gpioN ... for each exported GPIO #N + /gpioN ... for each exported GPIO #N OR + /<LINE-NAME> ... for a properly named GPIO line /value ... always readable, writes fail for input GPIOs /direction ... r/w as: in, out (default low); write: high, low /edge ... r/w as: none, falling, rising, both diff --git a/Documentation/ABI/testing/sysfs-hypervisor-pmu b/Documentation/ABI/testing/sysfs-hypervisor-pmu new file mode 100644 index 000000000..224faa105 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-hypervisor-pmu @@ -0,0 +1,23 @@ +What: /sys/hypervisor/pmu/pmu_mode +Date: August 2015 +KernelVersion: 4.3 +Contact: Boris Ostrovsky <boris.ostrovsky@oracle.com> +Description: + Describes mode that Xen's performance-monitoring unit (PMU) + uses. Accepted values are + "off" -- PMU is disabled + "self" -- The guest can profile itself + "hv" -- The guest can profile itself and, if it is + privileged (e.g. dom0), the hypervisor + "all" -- The guest can profile itself, the hypervisor + and all other guests. Only available to + privileged guests. + +What: /sys/hypervisor/pmu/pmu_features +Date: August 2015 +KernelVersion: 4.3 +Contact: Boris Ostrovsky <boris.ostrovsky@oracle.com> +Description: + Describes Xen PMU features (as an integer). A set bit indicates + that the corresponding feature is enabled. See + include/xen/interface/xenpmu.h for available features |