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Merge tag 'iio-fixes-for-4.2a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23...
[linux-drm-fsl-dcu.git] / Documentation / ABI / testing / sysfs-bus-iio
diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
index 1fbdd79d16240ae4496cbc5cc82fce0d9d845dc2..70c9b1ac66dbc5880c90312b47ba0b28669a77a6 100644 (file)
--- a/Documentation/ABI/testing/sysfs-bus-iio
+++ b/Documentation/ABI/testing/sysfs-bus-iio
@@ -71,6 +71,8 @@ Description:
 
 What:          /sys/bus/iio/devices/iio:deviceX/in_voltageY_raw
 What:          /sys/bus/iio/devices/iio:deviceX/in_voltageY_supply_raw
+What:          /sys/bus/iio/devices/iio:deviceX/in_voltageY_i_raw
+What:          /sys/bus/iio/devices/iio:deviceX/in_voltageY_q_raw
 KernelVersion: 2.6.35
 Contact:       linux-iio@vger.kernel.org
 Description:
@@ -81,6 +83,11 @@ Description:
                unique to allow association with event codes. Units after
                application of scale and offset are millivolts.
 
+               Channels with 'i' and 'q' modifiers always exist in pairs and both
+               channels refer to the same signal. The 'i' channel contains the in-phase
+               component of the signal while the 'q' channel contains the quadrature
+               component.
+
 What:          /sys/bus/iio/devices/iio:deviceX/in_voltageY-voltageZ_raw
 KernelVersion: 2.6.35
 Contact:       linux-iio@vger.kernel.org
@@ -246,8 +253,16 @@ What:              /sys/bus/iio/devices/iio:deviceX/in_accel_y_offset
 What:          /sys/bus/iio/devices/iio:deviceX/in_accel_z_offset
 What:          /sys/bus/iio/devices/iio:deviceX/in_voltageY_offset
 What:          /sys/bus/iio/devices/iio:deviceX/in_voltage_offset
+What:          /sys/bus/iio/devices/iio:deviceX/in_voltageY_i_offset
+What:          /sys/bus/iio/devices/iio:deviceX/in_voltageY_q_offset
+What:          /sys/bus/iio/devices/iio:deviceX/in_voltage_q_offset
+What:          /sys/bus/iio/devices/iio:deviceX/in_voltage_i_offset
 What:          /sys/bus/iio/devices/iio:deviceX/in_currentY_offset
 What:          /sys/bus/iio/devices/iio:deviceX/in_current_offset
+What:          /sys/bus/iio/devices/iio:deviceX/in_currentY_i_offset
+What:          /sys/bus/iio/devices/iio:deviceX/in_currentY_q_offset
+What:          /sys/bus/iio/devices/iio:deviceX/in_current_q_offset
+What:          /sys/bus/iio/devices/iio:deviceX/in_current_i_offset
 What:          /sys/bus/iio/devices/iio:deviceX/in_tempY_offset
 What:          /sys/bus/iio/devices/iio:deviceX/in_temp_offset
 What:          /sys/bus/iio/devices/iio:deviceX/in_pressureY_offset
@@ -273,14 +288,22 @@ Description:
                to the _raw output.
 
 What:          /sys/bus/iio/devices/iio:deviceX/in_voltageY_scale
+What:          /sys/bus/iio/devices/iio:deviceX/in_voltageY_i_scale
+What:          /sys/bus/iio/devices/iio:deviceX/in_voltageY_q_scale
 What:          /sys/bus/iio/devices/iio:deviceX/in_voltageY_supply_scale
 What:          /sys/bus/iio/devices/iio:deviceX/in_voltage_scale
+What:          /sys/bus/iio/devices/iio:deviceX/in_voltage_i_scale
+What:          /sys/bus/iio/devices/iio:deviceX/in_voltage_q_scale
 What:          /sys/bus/iio/devices/iio:deviceX/in_voltage-voltage_scale
 What:          /sys/bus/iio/devices/iio:deviceX/out_voltageY_scale
 What:          /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_scale
 What:          /sys/bus/iio/devices/iio:deviceX/in_currentY_scale
 What:          /sys/bus/iio/devices/iio:deviceX/in_currentY_supply_scale
 What:          /sys/bus/iio/devices/iio:deviceX/in_current_scale
+What:          /sys/bus/iio/devices/iio:deviceX/in_currentY_i_scale
+What:          /sys/bus/iio/devices/iio:deviceX/in_currentY_q_scale
+What:          /sys/bus/iio/devices/iio:deviceX/in_current_i_scale
+What:          /sys/bus/iio/devices/iio:deviceX/in_current_q_scale
 What:          /sys/bus/iio/devices/iio:deviceX/in_accel_scale
 What:          /sys/bus/iio/devices/iio:deviceX/in_accel_peak_scale
 What:          /sys/bus/iio/devices/iio:deviceX/in_anglvel_scale
@@ -328,6 +351,10 @@ Description:
 
 What           /sys/bus/iio/devices/iio:deviceX/in_voltageY_calibscale
 What           /sys/bus/iio/devices/iio:deviceX/in_voltageY_supply_calibscale
+What           /sys/bus/iio/devices/iio:deviceX/in_voltageY_i_calibscale
+What           /sys/bus/iio/devices/iio:deviceX/in_voltageY_q_calibscale
+What           /sys/bus/iio/devices/iio:deviceX/in_voltage_i_calibscale
+What           /sys/bus/iio/devices/iio:deviceX/in_voltage_q_calibscale
 What           /sys/bus/iio/devices/iio:deviceX/in_voltage_calibscale
 What           /sys/bus/iio/devices/iio:deviceX/in_accel_x_calibscale
 What           /sys/bus/iio/devices/iio:deviceX/in_accel_y_calibscale
@@ -420,6 +447,16 @@ Description:
                to the underlying data channel, then this parameter
                gives the 3dB frequency of the filter in Hz.
 
+What:          /sys/.../in_accel_filter_high_pass_3db_frequency
+What:          /sys/.../in_anglvel_filter_high_pass_3db_frequency
+What:          /sys/.../in_magn_filter_high_pass_3db_frequency
+KernelVersion: 4.2
+Contact:       linux-iio@vger.kernel.org
+Description:
+               If a known or controllable high pass filter is applied
+               to the underlying data channel, then this parameter
+               gives the 3dB frequency of the filter in Hz.
+
 What:          /sys/bus/iio/devices/iio:deviceX/out_voltageY_raw
 What:          /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_raw
 KernelVersion: 2.6.37
@@ -880,6 +917,26 @@ Description:
                met before an event is generated. If direction is not
                specified then this period applies to both directions.
 
+What:          /sys/.../events/in_accel_thresh_rising_low_pass_filter_3db
+What:          /sys/.../events/in_anglvel_thresh_rising_low_pass_filter_3db
+What:          /sys/.../events/in_magn_thresh_rising_low_pass_filter_3db
+KernelVersion: 4.2
+Contact:       linux-iio@vger.kernel.org
+Description:
+               If a low pass filter can be applied to the event generation
+               this property gives its 3db frequency in Hz.
+               A value of zero disables the filter.
+
+What:          /sys/.../events/in_accel_thresh_rising_high_pass_filter_3db
+What:          /sys/.../events/in_anglvel_thresh_rising_high_pass_filter_3db
+What:          /sys/.../events/in_magn_thresh_rising_high_pass_filter_3db
+KernelVersion: 4.2
+Contact:       linux-iio@vger.kernel.org
+Description:
+               If a high pass filter can be applied to the event generation
+               this property gives its 3db frequency in Hz.
+               A value of zero disables the filter.
+
 What:          /sys/.../events/in_activity_still_thresh_rising_en
 What:          /sys/.../events/in_activity_still_thresh_falling_en
 What:          /sys/.../events/in_activity_walking_thresh_rising_en
@@ -1016,6 +1073,10 @@ What:            /sys/.../iio:deviceX/scan_elements/in_timestamp_en
 What:          /sys/.../iio:deviceX/scan_elements/in_voltageY_supply_en
 What:          /sys/.../iio:deviceX/scan_elements/in_voltageY_en
 What:          /sys/.../iio:deviceX/scan_elements/in_voltageY-voltageZ_en
+What:          /sys/.../iio:deviceX/scan_elements/in_voltageY_i_en
+What:          /sys/.../iio:deviceX/scan_elements/in_voltageY_q_en
+What:          /sys/.../iio:deviceX/scan_elements/in_voltage_i_en
+What:          /sys/.../iio:deviceX/scan_elements/in_voltage_q_en
 What:          /sys/.../iio:deviceX/scan_elements/in_incli_x_en
 What:          /sys/.../iio:deviceX/scan_elements/in_incli_y_en
 What:          /sys/.../iio:deviceX/scan_elements/in_pressureY_en
@@ -1034,6 +1095,10 @@ What:            /sys/.../iio:deviceX/scan_elements/in_incli_type
 What:          /sys/.../iio:deviceX/scan_elements/in_voltageY_type
 What:          /sys/.../iio:deviceX/scan_elements/in_voltage_type
 What:          /sys/.../iio:deviceX/scan_elements/in_voltageY_supply_type
+What:          /sys/.../iio:deviceX/scan_elements/in_voltageY_i_type
+What:          /sys/.../iio:deviceX/scan_elements/in_voltageY_q_type
+What:          /sys/.../iio:deviceX/scan_elements/in_voltage_i_type
+What:          /sys/.../iio:deviceX/scan_elements/in_voltage_q_type
 What:          /sys/.../iio:deviceX/scan_elements/in_timestamp_type
 What:          /sys/.../iio:deviceX/scan_elements/in_pressureY_type
 What:          /sys/.../iio:deviceX/scan_elements/in_pressure_type
@@ -1071,6 +1136,10 @@ Description:
 
 What:          /sys/.../iio:deviceX/scan_elements/in_voltageY_index
 What:          /sys/.../iio:deviceX/scan_elements/in_voltageY_supply_index
+What:          /sys/.../iio:deviceX/scan_elements/in_voltageY_i_index
+What:          /sys/.../iio:deviceX/scan_elements/in_voltageY_q_index
+What:          /sys/.../iio:deviceX/scan_elements/in_voltage_i_index
+What:          /sys/.../iio:deviceX/scan_elements/in_voltage_q_index
 What:          /sys/.../iio:deviceX/scan_elements/in_accel_x_index
 What:          /sys/.../iio:deviceX/scan_elements/in_accel_y_index
 What:          /sys/.../iio:deviceX/scan_elements/in_accel_z_index
@@ -1228,6 +1297,8 @@ Description:
                or without compensation from tilt sensors.
 
 What:          /sys/bus/iio/devices/iio:deviceX/in_currentX_raw
+What:          /sys/bus/iio/devices/iio:deviceX/in_currentX_i_raw
+What:          /sys/bus/iio/devices/iio:deviceX/in_currentX_q_raw
 KernelVersion: 3.18
 Contact:       linux-iio@vger.kernel.org
 Description:
@@ -1236,6 +1307,11 @@ Description:
                present, output should be considered as processed with the
                unit in milliamps.
 
+               Channels with 'i' and 'q' modifiers always exist in pairs and both
+               channels refer to the same signal. The 'i' channel contains the in-phase
+               component of the signal while the 'q' channel contains the quadrature
+               component.
+
 What:          /sys/.../iio:deviceX/in_energy_en
 What:          /sys/.../iio:deviceX/in_distance_en
 What:          /sys/.../iio:deviceX/in_velocity_sqrt(x^2+y^2+z^2)_en
@@ -1362,3 +1438,26 @@ Description:
                hwfifo_watermak_min but not equal to any of the values in this
                list, the driver will chose an appropriate value for the
                hardware fifo watermark level.
+
+What:          /sys/bus/iio/devices/iio:deviceX/in_temp_calibemissivity
+What:          /sys/bus/iio/devices/iio:deviceX/in_tempX_calibemissivity
+What:          /sys/bus/iio/devices/iio:deviceX/in_temp_object_calibemissivity
+What:          /sys/bus/iio/devices/iio:deviceX/in_tempX_object_calibemissivity
+KernelVersion: 4.1
+Contact:       linux-iio@vger.kernel.org
+Description:
+               The emissivity ratio of the surface in the field of view of the
+               contactless temperature sensor.  Emissivity varies from 0 to 1,
+               with 1 being the emissivity of a black body.
+
+What:          /sys/bus/iio/devices/iio:deviceX/in_magn_x_oversampling_ratio
+What:          /sys/bus/iio/devices/iio:deviceX/in_magn_y_oversampling_ratio
+What:          /sys/bus/iio/devices/iio:deviceX/in_magn_z_oversampling_ratio
+KernelVersion: 4.2
+Contact:       linux-iio@vger.kernel.org
+Description:
+               Hardware applied number of measurements for acquiring one
+               data point. The HW will do <type>[_name]_oversampling_ratio
+               measurements and return the average value as output data. Each
+               value resulted from <type>[_name]_oversampling_ratio measurements
+               is considered as one sample for <type>[_name]_sampling_frequency.
Freescale DCU DRM driver