diff options
Diffstat (limited to 'Documentation/ABI/testing')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-coresight-devices-etb10 | 69 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-coresight-devices-etm4x | 13 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-coresight-devices-stm | 53 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-coresight-devices-tmc | 77 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-iio | 68 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-mcb | 29 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-stm | 10 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-platform-usbip-vudc | 35 |
8 files changed, 345 insertions, 9 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-etb10 b/Documentation/ABI/testing/sysfs-bus-coresight-devices-etb10 index 4b8d6ec..b5f5260 100644 --- a/Documentation/ABI/testing/sysfs-bus-coresight-devices-etb10 +++ b/Documentation/ABI/testing/sysfs-bus-coresight-devices-etb10 @@ -6,13 +6,6 @@ Description: (RW) Add/remove a sink from a trace path. There can be multiple source for a single sink. ex: echo 1 > /sys/bus/coresight/devices/20010000.etb/enable_sink -What: /sys/bus/coresight/devices/<memory_map>.etb/status -Date: November 2014 -KernelVersion: 3.19 -Contact: Mathieu Poirier <mathieu.poirier@linaro.org> -Description: (R) List various control and status registers. The specific - layout and content is driver specific. - What: /sys/bus/coresight/devices/<memory_map>.etb/trigger_cntr Date: November 2014 KernelVersion: 3.19 @@ -22,3 +15,65 @@ Description: (RW) Disables write access to the Trace RAM by stopping the following the trigger event. The number of 32-bit words written into the Trace RAM following the trigger event is equal to the value stored in this register+1 (from ARM ETB-TRM). + +What: /sys/bus/coresight/devices/<memory_map>.etb/mgmt/rdp +Date: March 2016 +KernelVersion: 4.7 +Contact: Mathieu Poirier <mathieu.poirier@linaro.org> +Description: (R) Defines the depth, in words, of the trace RAM in powers of + 2. The value is read directly from HW register RDP, 0x004. + +What: /sys/bus/coresight/devices/<memory_map>.etb/mgmt/sts +Date: March 2016 +KernelVersion: 4.7 +Contact: Mathieu Poirier <mathieu.poirier@linaro.org> +Description: (R) Shows the value held by the ETB status register. The value + is read directly from HW register STS, 0x00C. + +What: /sys/bus/coresight/devices/<memory_map>.etb/mgmt/rrp +Date: March 2016 +KernelVersion: 4.7 +Contact: Mathieu Poirier <mathieu.poirier@linaro.org> +Description: (R) Shows the value held by the ETB RAM Read Pointer register + that is used to read entries from the Trace RAM over the APB + interface. The value is read directly from HW register RRP, + 0x014. + +What: /sys/bus/coresight/devices/<memory_map>.etb/mgmt/rwp +Date: March 2016 +KernelVersion: 4.7 +Contact: Mathieu Poirier <mathieu.poirier@linaro.org> +Description: (R) Shows the value held by the ETB RAM Write Pointer register + that is used to sets the write pointer to write entries from + the CoreSight bus into the Trace RAM. The value is read directly + from HW register RWP, 0x018. + +What: /sys/bus/coresight/devices/<memory_map>.etb/mgmt/trg +Date: March 2016 +KernelVersion: 4.7 +Contact: Mathieu Poirier <mathieu.poirier@linaro.org> +Description: (R) Similar to "trigger_cntr" above except that this value is + read directly from HW register TRG, 0x01C. + +What: /sys/bus/coresight/devices/<memory_map>.etb/mgmt/ctl +Date: March 2016 +KernelVersion: 4.7 +Contact: Mathieu Poirier <mathieu.poirier@linaro.org> +Description: (R) Shows the value held by the ETB Control register. The value + is read directly from HW register CTL, 0x020. + +What: /sys/bus/coresight/devices/<memory_map>.etb/mgmt/ffsr +Date: March 2016 +KernelVersion: 4.7 +Contact: Mathieu Poirier <mathieu.poirier@linaro.org> +Description: (R) Shows the value held by the ETB Formatter and Flush Status + register. The value is read directly from HW register FFSR, + 0x300. + +What: /sys/bus/coresight/devices/<memory_map>.etb/mgmt/ffcr +Date: March 2016 +KernelVersion: 4.7 +Contact: Mathieu Poirier <mathieu.poirier@linaro.org> +Description: (R) Shows the value held by the ETB Formatter and Flush Control + register. The value is read directly from HW register FFCR, + 0x304. diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm4x b/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm4x index 2355ed8..36258bc 100644 --- a/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm4x +++ b/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm4x @@ -359,6 +359,19 @@ Contact: Mathieu Poirier <mathieu.poirier@linaro.org> Description: (R) Print the content of the Peripheral ID3 Register (0xFEC). The value is taken directly from the HW. +What: /sys/bus/coresight/devices/<memory_map>.etm/mgmt/trcconfig +Date: February 2016 +KernelVersion: 4.07 +Contact: Mathieu Poirier <mathieu.poirier@linaro.org> +Description: (R) Print the content of the trace configuration register + (0x010) as currently set by SW. + +What: /sys/bus/coresight/devices/<memory_map>.etm/mgmt/trctraceid +Date: February 2016 +KernelVersion: 4.07 +Contact: Mathieu Poirier <mathieu.poirier@linaro.org> +Description: (R) Print the content of the trace ID register (0x040). + What: /sys/bus/coresight/devices/<memory_map>.etm/trcidr/trcidr0 Date: April 2015 KernelVersion: 4.01 diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-stm b/Documentation/ABI/testing/sysfs-bus-coresight-devices-stm new file mode 100644 index 0000000..1dffabe --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-coresight-devices-stm @@ -0,0 +1,53 @@ +What: /sys/bus/coresight/devices/<memory_map>.stm/enable_source +Date: April 2016 +KernelVersion: 4.7 +Contact: Mathieu Poirier <mathieu.poirier@linaro.org> +Description: (RW) Enable/disable tracing on this specific trace macrocell. + Enabling the trace macrocell implies it has been configured + properly and a sink has been identified for it. The path + of coresight components linking the source to the sink is + configured and managed automatically by the coresight framework. + +What: /sys/bus/coresight/devices/<memory_map>.stm/hwevent_enable +Date: April 2016 +KernelVersion: 4.7 +Contact: Mathieu Poirier <mathieu.poirier@linaro.org> +Description: (RW) Provides access to the HW event enable register, used in + conjunction with HW event bank select register. + +What: /sys/bus/coresight/devices/<memory_map>.stm/hwevent_select +Date: April 2016 +KernelVersion: 4.7 +Contact: Mathieu Poirier <mathieu.poirier@linaro.org> +Description: (RW) Gives access to the HW event block select register + (STMHEBSR) in order to configure up to 256 channels. Used in + conjunction with "hwevent_enable" register as described above. + +What: /sys/bus/coresight/devices/<memory_map>.stm/port_enable +Date: April 2016 +KernelVersion: 4.7 +Contact: Mathieu Poirier <mathieu.poirier@linaro.org> +Description: (RW) Provides access to the stimulus port enable register + (STMSPER). Used in conjunction with "port_select" described + below. + +What: /sys/bus/coresight/devices/<memory_map>.stm/port_select +Date: April 2016 +KernelVersion: 4.7 +Contact: Mathieu Poirier <mathieu.poirier@linaro.org> +Description: (RW) Used to determine which bank of stimulus port bit in + register STMSPER (see above) apply to. + +What: /sys/bus/coresight/devices/<memory_map>.stm/status +Date: April 2016 +KernelVersion: 4.7 +Contact: Mathieu Poirier <mathieu.poirier@linaro.org> +Description: (R) List various control and status registers. The specific + layout and content is driver specific. + +What: /sys/bus/coresight/devices/<memory_map>.stm/traceid +Date: April 2016 +KernelVersion: 4.7 +Contact: Mathieu Poirier <mathieu.poirier@linaro.org> +Description: (RW) Holds the trace ID that will appear in the trace stream + coming from this trace entity. diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-tmc b/Documentation/ABI/testing/sysfs-bus-coresight-devices-tmc index f38cded5..4fe677e 100644 --- a/Documentation/ABI/testing/sysfs-bus-coresight-devices-tmc +++ b/Documentation/ABI/testing/sysfs-bus-coresight-devices-tmc @@ -6,3 +6,80 @@ Description: (RW) Disables write access to the Trace RAM by stopping the formatter after a defined number of words have been stored following the trigger event. Additional interface for this driver are expected to be added as it matures. + +What: /sys/bus/coresight/devices/<memory_map>.tmc/mgmt/rsz +Date: March 2016 +KernelVersion: 4.7 +Contact: Mathieu Poirier <mathieu.poirier@linaro.org> +Description: (R) Defines the size, in 32-bit words, of the local RAM buffer. + The value is read directly from HW register RSZ, 0x004. + +What: /sys/bus/coresight/devices/<memory_map>.tmc/mgmt/sts +Date: March 2016 +KernelVersion: 4.7 +Contact: Mathieu Poirier <mathieu.poirier@linaro.org> +Description: (R) Shows the value held by the TMC status register. The value + is read directly from HW register STS, 0x00C. + +What: /sys/bus/coresight/devices/<memory_map>.tmc/mgmt/rrp +Date: March 2016 +KernelVersion: 4.7 +Contact: Mathieu Poirier <mathieu.poirier@linaro.org> +Description: (R) Shows the value held by the TMC RAM Read Pointer register + that is used to read entries from the Trace RAM over the APB + interface. The value is read directly from HW register RRP, + 0x014. + +What: /sys/bus/coresight/devices/<memory_map>.tmc/mgmt/rwp +Date: March 2016 +KernelVersion: 4.7 +Contact: Mathieu Poirier <mathieu.poirier@linaro.org> +Description: (R) Shows the value held by the TMC RAM Write Pointer register + that is used to sets the write pointer to write entries from + the CoreSight bus into the Trace RAM. The value is read directly + from HW register RWP, 0x018. + +What: /sys/bus/coresight/devices/<memory_map>.tmc/mgmt/trg +Date: March 2016 +KernelVersion: 4.7 +Contact: Mathieu Poirier <mathieu.poirier@linaro.org> +Description: (R) Similar to "trigger_cntr" above except that this value is + read directly from HW register TRG, 0x01C. + +What: /sys/bus/coresight/devices/<memory_map>.tmc/mgmt/ctl +Date: March 2016 +KernelVersion: 4.7 +Contact: Mathieu Poirier <mathieu.poirier@linaro.org> +Description: (R) Shows the value held by the TMC Control register. The value + is read directly from HW register CTL, 0x020. + +What: /sys/bus/coresight/devices/<memory_map>.tmc/mgmt/ffsr +Date: March 2016 +KernelVersion: 4.7 +Contact: Mathieu Poirier <mathieu.poirier@linaro.org> +Description: (R) Shows the value held by the TMC Formatter and Flush Status + register. The value is read directly from HW register FFSR, + 0x300. + +What: /sys/bus/coresight/devices/<memory_map>.tmc/mgmt/ffcr +Date: March 2016 +KernelVersion: 4.7 +Contact: Mathieu Poirier <mathieu.poirier@linaro.org> +Description: (R) Shows the value held by the TMC Formatter and Flush Control + register. The value is read directly from HW register FFCR, + 0x304. + +What: /sys/bus/coresight/devices/<memory_map>.tmc/mgmt/mode +Date: March 2016 +KernelVersion: 4.7 +Contact: Mathieu Poirier <mathieu.poirier@linaro.org> +Description: (R) Shows the value held by the TMC Mode register, which + indicate the mode the device has been configured to enact. The + The value is read directly from the MODE register, 0x028. + +What: /sys/bus/coresight/devices/<memory_map>.tmc/mgmt/devid +Date: March 2016 +KernelVersion: 4.7 +Contact: Mathieu Poirier <mathieu.poirier@linaro.org> +Description: (R) Indicates the capabilities of the Coresight TMC. + The value is read directly from the DEVID register, 0xFC8, diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio index 3c66248..df44998 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio +++ b/Documentation/ABI/testing/sysfs-bus-iio @@ -1233,7 +1233,7 @@ KernelVersion: 3.4 Contact: linux-iio@vger.kernel.org Description: Proximity measurement indicating that some - object is near the sensor, usually be observing + object is near the sensor, usually by observing reflectivity of infrared or ultrasound emitted. Often these sensors are unit less and as such conversion to SI units is not possible. Higher proximity measurements @@ -1255,12 +1255,23 @@ Description: What: /sys/.../iio:deviceX/in_intensityY_raw What: /sys/.../iio:deviceX/in_intensityY_ir_raw What: /sys/.../iio:deviceX/in_intensityY_both_raw +What: /sys/.../iio:deviceX/in_intensityY_uv_raw KernelVersion: 3.4 Contact: linux-iio@vger.kernel.org Description: Unit-less light intensity. Modifiers both and ir indicate that measurements contains visible and infrared light - components or just infrared light, respectively. + components or just infrared light, respectively. Modifier uv indicates + that measurements contain ultraviolet light components. + +What: /sys/.../iio:deviceX/in_uvindex_input +KernelVersion: 4.6 +Contact: linux-iio@vger.kernel.org +Description: + UV light intensity index measuring the human skin's response to + different wavelength of sunlight weighted according to the + standardised CIE Erythemal Action Spectrum. UV index values range + from 0 (low) to >=11 (extreme). What: /sys/.../iio:deviceX/in_intensity_red_integration_time What: /sys/.../iio:deviceX/in_intensity_green_integration_time @@ -1501,3 +1512,56 @@ Contact: linux-iio@vger.kernel.org Description: Raw (unscaled no offset etc.) pH reading of a substance as a negative base-10 logarithm of hydrodium ions in a litre of water. + +What: /sys/bus/iio/devices/iio:deviceX/mount_matrix +What: /sys/bus/iio/devices/iio:deviceX/in_mount_matrix +What: /sys/bus/iio/devices/iio:deviceX/out_mount_matrix +What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_mount_matrix +What: /sys/bus/iio/devices/iio:deviceX/in_accel_mount_matrix +KernelVersion: 4.6 +Contact: linux-iio@vger.kernel.org +Description: + Mounting matrix for IIO sensors. This is a rotation matrix which + informs userspace about sensor chip's placement relative to the + main hardware it is mounted on. + Main hardware placement is defined according to the local + reference frame related to the physical quantity the sensor + measures. + Given that the rotation matrix is defined in a board specific + way (platform data and / or device-tree), the main hardware + reference frame definition is left to the implementor's choice + (see below for a magnetometer example). + Applications should apply this rotation matrix to samples so + that when main hardware reference frame is aligned onto local + reference frame, then sensor chip reference frame is also + perfectly aligned with it. + Matrix is a 3x3 unitary matrix and typically looks like + [0, 1, 0; 1, 0, 0; 0, 0, -1]. Identity matrix + [1, 0, 0; 0, 1, 0; 0, 0, 1] means sensor chip and main hardware + are perfectly aligned with each other. + + For example, a mounting matrix for a magnetometer sensor informs + userspace about sensor chip's ORIENTATION relative to the main + hardware. + More specifically, main hardware orientation is defined with + respect to the LOCAL EARTH GEOMAGNETIC REFERENCE FRAME where : + * Y is in the ground plane and positive towards magnetic North ; + * X is in the ground plane, perpendicular to the North axis and + positive towards the East ; + * Z is perpendicular to the ground plane and positive upwards. + + An implementor might consider that for a hand-held device, a + 'natural' orientation would be 'front facing camera at the top'. + The main hardware reference frame could then be described as : + * Y is in the plane of the screen and is positive towards the + top of the screen ; + * X is in the plane of the screen, perpendicular to Y axis, and + positive towards the right hand side of the screen ; + * Z is perpendicular to the screen plane and positive out of the + screen. + Another example for a quadrotor UAV might be : + * Y is in the plane of the propellers and positive towards the + front-view camera; + * X is in the plane of the propellers, perpendicular to Y axis, + and positive towards the starboard side of the UAV ; + * Z is perpendicular to propellers plane and positive upwards. diff --git a/Documentation/ABI/testing/sysfs-bus-mcb b/Documentation/ABI/testing/sysfs-bus-mcb new file mode 100644 index 0000000..77947c5 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-mcb @@ -0,0 +1,29 @@ +What: /sys/bus/mcb/devices/mcb:X +Date: March 2016 +KernelVersion: 4.7 +Contact: Johannes Thumshirn <jth@kernel.org> +Description: Hardware chip or device hosting the MEN chameleon bus + +What: /sys/bus/mcb/devices/mcb:X/revision +Date: March 2016 +KernelVersion: 4.7 +Contact: Johannes Thumshirn <jth@kernel.org> +Description: The FPGA's revision number + +What: /sys/bus/mcb/devices/mcb:X/minor +Date: March 2016 +KernelVersion: 4.7 +Contact: Johannes Thumshirn <jth@kernel.org> +Description: The FPGA's minor number + +What: /sys/bus/mcb/devices/mcb:X/model +Date: March 2016 +KernelVersion: 4.7 +Contact: Johannes Thumshirn <jth@kernel.org> +Description: The FPGA's model number + +What: /sys/bus/mcb/devices/mcb:X/name +Date: March 2016 +KernelVersion: 4.7 +Contact: Johannes Thumshirn <jth@kernel.org> +Description: The FPGA's name diff --git a/Documentation/ABI/testing/sysfs-class-stm b/Documentation/ABI/testing/sysfs-class-stm index c9aa4f3..77ed3da 100644 --- a/Documentation/ABI/testing/sysfs-class-stm +++ b/Documentation/ABI/testing/sysfs-class-stm @@ -12,3 +12,13 @@ KernelVersion: 4.3 Contact: Alexander Shishkin <alexander.shishkin@linux.intel.com> Description: Shows the number of channels per master on this STM device. + +What: /sys/class/stm/<stm>/hw_override +Date: March 2016 +KernelVersion: 4.7 +Contact: Alexander Shishkin <alexander.shishkin@linux.intel.com> +Description: + Reads as 0 if master numbers in the STP stream produced by + this stm device will match the master numbers assigned by + the software or 1 if the stm hardware overrides software + assigned masters. diff --git a/Documentation/ABI/testing/sysfs-platform-usbip-vudc b/Documentation/ABI/testing/sysfs-platform-usbip-vudc new file mode 100644 index 0000000..81fcfb4 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-platform-usbip-vudc @@ -0,0 +1,35 @@ +What: /sys/devices/platform/usbip-vudc.%d/dev_desc +Date: April 2016 +KernelVersion: 4.6 +Contact: Krzysztof Opasiak <k.opasiak@samsung.com> +Description: + This file allows to read device descriptor of + gadget driver which is currently bound to this + controller. It is possible to read this file + only if gadget driver is bound, otherwise error + is returned. + +What: /sys/devices/platform/usbip-vudc.%d/usbip_status +Date: April 2016 +KernelVersion: 4.6 +Contact: Krzysztof Opasiak <k.opasiak@samsung.com> +Description: + Current status of the device. + Allowed values: + 1 - Device is available and can be exported + 2 - Device is currently exported + 3 - Fatal error occurred during communication + with peer + +What: /sys/devices/platform/usbip-vudc.%d/usbip_sockfd +Date: April 2016 +KernelVersion: 4.6 +Contact: Krzysztof Opasiak <k.opasiak@samsung.com> +Description: + This file allows to export usb device to + connection peer. It is done by writing to this + file socket fd (as a string for example "8") + associated with a connection to remote peer who + would like to use this device. It is possible to + close the connection by writing -1 instead of + socked fd. |