Commit d99b91a9 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge tag 'char-misc-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc 

Pull char/misc updates from Greg KH:
 "Here is the big set of char/misc and other small driver subsystem
  changes for 6.7-rc1. Included in here are:

   - IIO subsystem driver updates and additions (largest part of this
     pull request)

   - FPGA subsystem driver updates

   - Counter subsystem driver updates

   - ICC subsystem driver updates

   - extcon subsystem driver updates

   - mei driver updates and additions

   - nvmem subsystem driver updates and additions

   - comedi subsystem dependency fixes

   - parport driver fixups

   - cdx subsystem driver and core updates

   - splice support for /dev/zero and /dev/full

   - other smaller driver cleanups

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'char-misc-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (326 commits)
  cdx: add sysfs for subsystem, class and revision
  cdx: add sysfs for bus reset
  cdx: add support for bus enable and disable
  cdx: Register cdx bus as a device on cdx subsystem
  cdx: Create symbol namespaces for cdx subsystem
  cdx: Introduce lock to protect controller ops
  cdx: Remove cdx controller list from cdx bus system
  dts: ti: k3-am625-beagleplay: Add beaglecc1352
  greybus: Add BeaglePlay Linux Driver
  dt-bindings: net: Add ti,cc1352p7
  dt-bindings: eeprom: at24: allow NVMEM cells based on old syntax
  dt-bindings: nvmem: SID: allow NVMEM cells based on old syntax
  Revert "nvmem: add new config option"
  MAINTAINERS: coresight: Add missing Coresight files
  misc: pci_endpoint_test: Add deviceID for J721S2 PCIe EP device support
  firmware: xilinx: Move EXPORT_SYMBOL_GPL next to zynqmp_pm_feature definition
  uacce: make uacce_class constant
  ocxl: make ocxl_class constant
  cxl: make cxl_class constant
  misc: phantom: make phantom_class constant
  ...
parents e392ea4d fa10f413

Documentation/ABI/testing/sysfs-bus-cdx

+62 −4
Original line number Diff line number Diff line
@@ -28,14 +28,57 @@ Description: 
		of a device manufacturer.

		Combination of Vendor ID and Device ID identifies a device.



What:		/sys/bus/cdx/devices/.../subsystem_vendor

Date:		July 2023

Contact:	puneet.gupta@amd.com

Description:

		Subsystem Vendor ID for this CDX device, in hexadecimal.

		Subsystem Vendor ID is 16 bit identifier specific to the

		card manufacturer.



What:		/sys/bus/cdx/devices/.../subsystem_device

Date:		July 2023

Contact:	puneet.gupta@amd.com

Description:

		Subsystem Device ID for this CDX device, in hexadecimal

		Subsystem Device ID is 16 bit identifier specific to the

		card manufacturer.



What:		/sys/bus/cdx/devices/.../class

Date:		July 2023

Contact:	puneet.gupta@amd.com

Description:

		This file contains the class of the CDX device, in hexadecimal.

		Class is 24 bit identifier specifies the functionality of the device.



What:		/sys/bus/cdx/devices/.../revision

Date:		July 2023

Contact:	puneet.gupta@amd.com

Description:

		This file contains the revision field of the CDX device, in hexadecimal.

		Revision is 8 bit revision identifier of the device.



What:		/sys/bus/cdx/devices/.../enable

Date:		October 2023

Contact:	abhijit.gangurde@amd.com

Description:

		CDX bus should be disabled before updating the devices in FPGA.

		Writing n/0/off will attempt to disable the CDX bus and.

		writing y/1/on will attempt to enable the CDX bus. Reading this file

		gives the current state of the bus, 1 for enabled and 0 for disabled.



		For example::



		  # echo 1 > /sys/bus/cdx/.../enable



What:		/sys/bus/cdx/devices/.../reset

Date:		March 2023

Contact:	nipun.gupta@amd.com

Description:

		Writing y/1/on to this file resets the CDX device.

		On resetting the device, the corresponding driver is notified

		twice, once before the device is being reset, and again after

		the reset has been complete.

		Writing y/1/on to this file resets the CDX device or all devices

		on the bus. On resetting the device, the corresponding driver is

		notified twice, once before the device is being reset, and again

		after the reset has been complete.



		For example::
@@ -54,3 +97,18 @@ Description: 
		For example::



		  # echo 1 > /sys/bus/cdx/devices/.../remove



What:		/sys/bus/cdx/devices/.../modalias

Date:		July 2023

Contact:	nipun.gupta@amd.com

Description:

		This attribute indicates the CDX ID of the device.

		That is in the format:

		cdx:vXXXXdXXXXsvXXXXsdXXXXcXXXXXX,

		where:



		    - vXXXX contains the vendor ID;

		    - dXXXX contains the device ID;

		    - svXXXX contains the subsystem vendor ID;

		    - sdXXXX contains the subsystem device ID;

		    - cXXXXXX contains the device class.

Documentation/ABI/testing/sysfs-bus-iio

+75 −0
Original line number Diff line number Diff line
@@ -279,6 +279,35 @@ Description: 
		but should match other such assignments on device).

		Units after application of scale and offset are m/s^2.



What:		/sys/bus/iio/devices/iio:deviceX/in_deltaangl_x_raw

What:		/sys/bus/iio/devices/iio:deviceX/in_deltaangl_y_raw

What:		/sys/bus/iio/devices/iio:deviceX/in_deltaangl_z_raw

KernelVersion:	6.5

Contact:	linux-iio@vger.kernel.org

Description:

		Angular displacement between two consecutive samples on x, y or

		z (may be arbitrarily assigned but should match other such

		assignments on device).

		In order to compute the total angular displacement during a

		desired period of time, the application should sum-up the delta

		angle samples acquired during that time.

		Units after application of scale and offset are radians.



What:		/sys/bus/iio/devices/iio:deviceX/in_deltavelocity_x_raw

What:		/sys/bus/iio/devices/iio:deviceX/in_deltavelocity_y_raw

What:		/sys/bus/iio/devices/iio:deviceX/in_deltavelocity_z_raw

KernelVersion:	6.5

Contact:	linux-iio@vger.kernel.org

Description:

		The linear velocity change between two consecutive samples on x,

		y or z (may be arbitrarily assigned but should match other such

		assignments on device).

		In order to compute the total linear velocity change during a

		desired period of time, the application should sum-up the delta

		velocity samples acquired during that time.

		Units after application of scale and offset are meters per

		second.



What:		/sys/bus/iio/devices/iio:deviceX/in_angl_raw

What:		/sys/bus/iio/devices/iio:deviceX/in_anglY_raw

KernelVersion:	4.17
@@ -461,6 +490,8 @@ What: /sys/bus/iio/devices/iio:deviceX/in_humidityrelative_scale 
What:		/sys/bus/iio/devices/iio:deviceX/in_velocity_sqrt(x^2+y^2+z^2)_scale

What:		/sys/bus/iio/devices/iio:deviceX/in_illuminance_scale

What:		/sys/bus/iio/devices/iio:deviceX/in_countY_scale

What:		/sys/bus/iio/devices/iio:deviceX/in_deltaangl_scale

What:		/sys/bus/iio/devices/iio:deviceX/in_deltavelocity_scale

What:		/sys/bus/iio/devices/iio:deviceX/in_angl_scale

What:		/sys/bus/iio/devices/iio:deviceX/in_intensity_x_scale

What:		/sys/bus/iio/devices/iio:deviceX/in_intensity_y_scale
@@ -1332,6 +1363,12 @@ Description: 
What:		/sys/.../iio:deviceX/bufferY/in_accel_x_en

What:		/sys/.../iio:deviceX/bufferY/in_accel_y_en

What:		/sys/.../iio:deviceX/bufferY/in_accel_z_en

What:		/sys/.../iio:deviceX/bufferY/in_deltaangl_x_en

What:		/sys/.../iio:deviceX/bufferY/in_deltaangl_y_en

What:		/sys/.../iio:deviceX/bufferY/in_deltaangl_z_en

What:		/sys/.../iio:deviceX/bufferY/in_deltavelocity_x_en

What:		/sys/.../iio:deviceX/bufferY/in_deltavelocity_y_en

What:		/sys/.../iio:deviceX/bufferY/in_deltavelocity_z_en

What:		/sys/.../iio:deviceX/bufferY/in_anglvel_x_en

What:		/sys/.../iio:deviceX/bufferY/in_anglvel_y_en

What:		/sys/.../iio:deviceX/bufferY/in_anglvel_z_en
@@ -1362,6 +1399,8 @@ Description: 
		Scan element control for triggered data capture.



What:		/sys/.../iio:deviceX/bufferY/in_accel_type

What:		/sys/.../iio:deviceX/bufferY/in_deltaangl_type

What:		/sys/.../iio:deviceX/bufferY/in_deltavelocity_type

What:		/sys/.../iio:deviceX/bufferY/in_anglvel_type

What:		/sys/.../iio:deviceX/bufferY/in_magn_type

What:		/sys/.../iio:deviceX/bufferY/in_incli_type
@@ -1416,6 +1455,12 @@ What: /sys/.../iio:deviceX/bufferY/in_voltage_q_index 
What:		/sys/.../iio:deviceX/bufferY/in_accel_x_index

What:		/sys/.../iio:deviceX/bufferY/in_accel_y_index

What:		/sys/.../iio:deviceX/bufferY/in_accel_z_index

What:		/sys/.../iio:deviceX/bufferY/in_deltaangl_x_index

What:		/sys/.../iio:deviceX/bufferY/in_deltaangl_y_index

What:		/sys/.../iio:deviceX/bufferY/in_deltaangl_z_index

What:		/sys/.../iio:deviceX/bufferY/in_deltavelocity_x_index

What:		/sys/.../iio:deviceX/bufferY/in_deltavelocity_y_index

What:		/sys/.../iio:deviceX/bufferY/in_deltavelocity_z_index

What:		/sys/.../iio:deviceX/bufferY/in_anglvel_x_index

What:		/sys/.../iio:deviceX/bufferY/in_anglvel_y_index

What:		/sys/.../iio:deviceX/bufferY/in_anglvel_z_index
@@ -2179,3 +2224,33 @@ Contact: linux-iio@vger.kernel.org 
Description:

		Number of conditions that must occur, during a running

		period, before an event is generated.



What:		/sys/bus/iio/devices/iio:deviceX/in_colortemp_raw

KernelVersion:	6.7

Contact:	linux-iio@vger.kernel.org

Description:

		Represents light color temperature, which measures light color

		temperature in Kelvin.



What:		/sys/bus/iio/devices/iio:deviceX/in_chromaticity_x_raw

What:		/sys/bus/iio/devices/iio:deviceX/in_chromaticity_y_raw

KernelVersion:	6.7

Contact:	linux-iio@vger.kernel.org

Description:

		The x and y light color coordinate on the CIE 1931 chromaticity

		diagram.



What:		/sys/bus/iio/devices/iio:deviceX/events/in_altvoltageY_mag_either_label

What:		/sys/bus/iio/devices/iio:deviceX/events/in_altvoltageY_mag_rising_label

What:		/sys/bus/iio/devices/iio:deviceX/events/in_altvoltageY_thresh_falling_label

What:		/sys/bus/iio/devices/iio:deviceX/events/in_altvoltageY_thresh_rising_label

What:		/sys/bus/iio/devices/iio:deviceX/events/in_anglvelY_mag_rising_label

What:		/sys/bus/iio/devices/iio:deviceX/events/in_anglY_thresh_rising_label

What:		/sys/bus/iio/devices/iio:deviceX/events/in_phaseY_mag_rising_label

KernelVersion:	6.7

Contact:	linux-iio@vger.kernel.org

Description:

		Optional symbolic label to a device channel event.

		If a label is defined for this event add that to the event

		specific attributes. This is useful for userspace to be able to

		better identify an individual event.

Documentation/ABI/testing/sysfs-bus-iio-adc-mcp3564

0 → 100644
+53 −0
Original line number Diff line number Diff line 
What:		/sys/bus/iio/devices/iio:deviceX/boost_current_gain

KernelVersion:	6.4

Contact:	linux-iio@vger.kernel.org

Description:

		This attribute is used to set the gain of the biasing current

		circuit of the Delta-Sigma modulator. The different BOOST

		settings are applied to the entire modulator circuit, including

		the voltage reference buffers.



What:		/sys/bus/iio/devices/iio:deviceX/boost_current_gain_available

KernelVersion:	6.4

Contact:	linux-iio@vger.kernel.org

Description:

		Reading returns a list with the possible gain values for

		the current biasing circuit of the Delta-Sigma modulator.



What:		/sys/bus/iio/devices/iio:deviceX/auto_zeroing_mux_enable

KernelVersion:	6.4

Contact:	linux-iio@vger.kernel.org

Description:

		This attribute is used to enable the analog input multiplexer

		auto-zeroing algorithm (the input multiplexer and the ADC

		include an offset cancellation algorithm that cancels the offset

		contribution of the ADC). When the offset cancellation algorithm

		is enabled, ADC takes two conversions, one with the differential

		input as VIN+/VIN-, one with VIN+/VIN- inverted. In this case the

		conversion time is multiplied by two compared to the default

		case where the algorithm is disabled. This technique allows the

		cancellation of the ADC offset error and the achievement of

		ultra-low offset without any digital calibration. The resulting

		offset is the residue of the difference between the two

		conversions, which is on the order of magnitude of the noise

		floor. This offset is effectively canceled at every conversion,

		so the residual offset error temperature drift is extremely low.

		Write '1' to enable it, write '0' to disable it.



What:		/sys/bus/iio/devices/iio:deviceX/auto_zeroing_ref_enable

KernelVersion:	6.4

Contact:	linux-iio@vger.kernel.org

Description:

		This attribute is used to enable the chopping algorithm for the

		internal voltage reference buffer. This setting has no effect

		when external voltage reference is selected.

		Internal voltage reference buffer injects a certain quantity of

		1/f noise into the system that can be modulated with the

		incoming input signals and can limit the SNR performance at

		higher Oversampling Ratio values (over 256). To overcome this

		limitation, the buffer includes an auto-zeroing algorithm that

		greatly reduces (cancels out) the 1/f noise and cancels the

		offset value of the reference buffer. As a result, the SNR of

		the system is not affected by this 1/f noise component of the

		reference buffer, even at maximum oversampling ratio values.

		Write '1' to enable it, write '0' to disable it.

Documentation/ABI/testing/sysfs-bus-iio-resolver-ad2s1210

0 → 100644
+27 −0
Original line number Diff line number Diff line 
What:		/sys/bus/iio/devices/iio:deviceX/events/in_altvoltage0_mag_rising_reset_max

KernelVersion:  6.7

Contact:	linux-iio@vger.kernel.org

Description:

		Reading returns the current Degradation of Signal Reset Maximum

		Threshold value in millivolts. Writing sets the value.



What:		/sys/bus/iio/devices/iio:deviceX/events/in_altvoltage0_mag_rising_reset_max_available

KernelVersion:  6.7

Contact:	linux-iio@vger.kernel.org

Description:

		Reading returns the allowable voltage range for

		in_altvoltage0_mag_rising_reset_max.



What:		/sys/bus/iio/devices/iio:deviceX/events/in_altvoltage0_mag_rising_reset_min

KernelVersion:  6.7

Contact:	linux-iio@vger.kernel.org

Description:

		Reading returns the current Degradation of Signal Reset Minimum

		Threshold value in millivolts. Writing sets the value.



What:		/sys/bus/iio/devices/iio:deviceX/events/in_altvoltage0_mag_rising_reset_min_available

KernelVersion:  6.7

Contact:	linux-iio@vger.kernel.org

Description:

		Reading returns the allowable voltage range for

		in_altvoltage0_mag_rising_reset_min.

Documentation/devicetree/bindings/eeprom/at24.yaml

+1 −0
Original line number Diff line number Diff line
@@ -12,6 +12,7 @@ maintainers: 


allOf:

  - $ref: /schemas/nvmem/nvmem.yaml

  - $ref: /schemas/nvmem/nvmem-deprecated-cells.yaml



select:

  properties: