Commit Graph

44 Commits

Author SHA1 Message Date
Linus Torvalds
ade7afe3e6 Staging / IIO driver updates for 5.10-rc1
Here is the large set of staging and IIO driver updates for 5.10-rc1.
 
 Included in here are:
 	- new IIO drivers
 	- new IIO driver frameworks
 	- various IIO driver fixes and updates
 	- IIO device tree conversions to yaml
 	- so many minor staging driver coding style cleanups
 	- most cdev driver moved out of staging
 	- no new drivers added or removed
 
 Full details are in the shortlog.
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging / IIO driver updates from Greg KH:
 "Here is the large set of staging and IIO driver updates for 5.10-rc1.

  Included in here are:

   - new IIO drivers

   - new IIO driver frameworks

   - various IIO driver fixes and updates

   - IIO device tree conversions to yaml

   - so many minor staging driver coding style cleanups

   - most cdev driver moved out of staging

   - no staging drivers added or removed

  Full details are in the shortlog.

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

* tag 'staging-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (476 commits)
  staging: comedi: check validity of wMaxPacketSize of usb endpoints found
  staging: wfx: improve robustness of wfx_get_hw_rate()
  staging: wfx: drop unicode characters from strings
  staging: wfx: gpiod_get_value() can return an error
  staging: wfx: increase robustness of hif_generic_confirm()
  staging: wfx: wfx_init_common() returns NULL on error
  staging: wfx: standardize the error when vif does not exist
  staging: wfx: check memory allocation
  staging: wfx: improve error handling of hif_join()
  staging: dpaa2-switch: add a dpaa2_switch prefix to all functions in ethsw.c
  staging: dpaa2-switch: add a dpaa2_switch_ prefix to all functions in ethsw-ethtool.c
  staging: rtl8188eu: Fix long lines
  dt-bindings: staging: wfx: silabs,wfx yaml conversion
  staging: wfx: update copyrights dates
  staging: wfx: fix QoS priority for slow buses
  staging: wfx: fix BA sessions for older firmwares
  staging: wfx: remove remaining code of 'secure link' feature
  staging: wfx: fix handling of MMIC error
  staging: vchiq: Fix list_for_each exit tests
  staging: greybus: use __force when assigning __u8 value to snd_ctl_elem_type_t
  ...
2020-10-15 09:46:23 -07:00
Rob Herring
4828556dca dt-bindings: Use 'additionalProperties' instead of 'unevaluatedProperties'
In cases where we don't reference another schema, 'additionalProperties'
can be used instead. This is preferred for now as 'unevaluatedProperties'
support isn't implemented yet.

In a few cases, this means adding some missing property definitions of
which most are for SPI bus properties. 'unevaluatedProperties' is not going
to work for the SPI bus properties anyways as they are evaluated from the
parent node, not the SPI child node.

Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20201005183830.486085-3-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
2020-10-07 11:28:30 -05:00
Rob Herring
6fdc6e23a7 dt-bindings: Add missing 'unevaluatedProperties'
This doesn't yet do anything in the tools, but make it explicit so we can
check either 'unevaluatedProperties' or 'additionalProperties' is present
in schemas.

'unevaluatedProperties' is appropriate when including another schema (via
'$ref') and all possible properties and/or child nodes are not
explicitly listed in the schema with the '$ref'.

This is in preparation to add a meta-schema to check for missing
'unevaluatedProperties' or 'additionalProperties'. This has been a
constant source of review issues.

Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Wolfram Sang <wsa@kernel.org>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-By: Vinod Koul <vkoul@kernel.org>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Link: https://lore.kernel.org/r/20201005183830.486085-2-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
2020-10-07 11:26:41 -05:00
Chris Ruehl
8dd746d1e3 iio/dac: convert ltc2632.txt to lltc,ltc2632.yaml
Conversion of the ltc2632 to yaml format and name the file to
'lltc,ltc2632.yaml'.

Signed-off-by: Chris Ruehl <chris.ruehl@gtsys.com.hk>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-09-03 19:40:47 +01:00
Rob Herring
f516fb704d dt-bindings: Whitespace clean-ups in schema files
Clean-up incorrect indentation, extra spaces, long lines, and missing
EOF newline in schema files. Most of the clean-ups are for list
indentation which should always be 2 spaces more than the preceding
keyword.

Found with yamllint (which I plan to integrate into the checks).

Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-clk@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: linux-spi@vger.kernel.org
Cc: linux-gpio@vger.kernel.org
Cc: linux-remoteproc@vger.kernel.org
Cc: linux-hwmon@vger.kernel.org
Cc: linux-i2c@vger.kernel.org
Cc: linux-fbdev@vger.kernel.org
Cc: linux-iio@vger.kernel.org
Cc: linux-input@vger.kernel.org
Cc: linux-pm@vger.kernel.org
Cc: linux-media@vger.kernel.org
Cc: alsa-devel@alsa-project.org
Cc: linux-mmc@vger.kernel.org
Cc: linux-mtd@lists.infradead.org
Cc: netdev@vger.kernel.org
Cc: linux-rtc@vger.kernel.org
Cc: linux-serial@vger.kernel.org
Cc: linux-usb@vger.kernel.org
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Rob Herring <robh@kernel.org>
2020-08-14 08:55:58 -06:00
Alexander A. Klimov
5a6b56de41 Replace HTTP links with HTTPS ones: Documentation/devicetree/bindings/iio
Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.

Deterministic algorithm:
For each file:
  If not .svg:
    For each line:
      If doesn't contain `\bxmlns\b`:
        For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
          If both the HTTP and HTTPS versions
          return 200 OK and serve the same content:
            Replace HTTP with HTTPS.

Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Reviewed-by: Matt Ranostay <matt.ranostay@konsulko.com> #for Matt's drivers
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-07-13 15:05:58 +01:00
Greg Kroah-Hartman
cef077e6aa Second set of new device support, cleanups and features for IIO in the 5.8 cycle
Usual mixed back but with a few subsystem wide or device type
 wide cleanups.
 
 New device support
 
 * adis16475
   - New driver supporting adis16470, adis16475, adis16477, adis16465,
     adis16467, adis16500, adis16505 and adis16507.
     Includes some rework of the adis library to simplify using it
     for this new driver.
 * ak8974
   - Add support for Alps hscdt008a. ID only. Related patches add support
     for scale.
 * atlas-sensor
   - Add support for RTD-SM OEM temperature sensor.
 * cm32181
   - Add support for CM3218 including support for SMBUS alert via
     ACPI resources.
 * ltc2632
   - Add support for ltc2634-12/10/8 DACS including handling per
     device type numbers of channels.
 
 Major Features
 
 * cm32181
   - ACPI bindings including parsing CPM0 and CPM1 custom ACPI tables.
     Includes minor tidy ups and fixes.
 * vcnl4000
   - Add event support
   - Add buffered data capture support
   - Add control of sampling frequency
 
 Cleanups and minor fixes.
 
 * core
   - Trivial rework of iio_device_alloc to use an early return and
     improve readability.
   - Precursors to addition of multiple buffer support. So far
     minor refactoring.
 * subsystem wide
   - Use get_unaligned_be24 slightly improve readability over open
     coding it.
 * adis drivers
   - Use iio_get_debugfs_dentry access function.
 * bh1780, cm32181, cm3232, gp2ap02a00f, opt3001, st_uvis25, vl6180,
   dmard06, kxsd9
   - Drop use of of_match_ptr to allow ACPI based probing via PRP0001.
     Part of clear out of this to avoid cut and paste into new drivers.
 * ad5592r, ad5593r
   - Fix typos
 * ad5933
   - Use managed interfaces to automate error handling and remove.
 * ak8974
   - Fix wrong number of 'real bits' for buffered data.
   - Refactor to pull measurement code out as separate function.
     bmp280
   - Fix lack of clamp on range during data capture.
 * at91-sama5d2_adc
   - Handle unfinished conversions correctly.
   - Allow use of triggers other than it's own.
   - Reorganize buffer setup and tear down as part of long running
     subsystem wide rework.
 * ccs811
   - Add DT binding docs and match table.
   - Support external reset and wakeup pins.
 * hid-sensors
   - Reorganize buffer setup and tear down as part of long running
     subsystem wide rework.
 * ltr501
   - Constify some structs.
 * vcnl4000
   - Fix an endian issue by using explicit byte swapped i2c accessors.
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Merge tag 'iio-for-5.8b' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next

Jonathan writes:

Second set of new device support, cleanups and features for IIO in the 5.8 cycle

Usual mixed back but with a few subsystem wide or device type
wide cleanups.

New device support

* adis16475
  - New driver supporting adis16470, adis16475, adis16477, adis16465,
    adis16467, adis16500, adis16505 and adis16507.
    Includes some rework of the adis library to simplify using it
    for this new driver.
* ak8974
  - Add support for Alps hscdt008a. ID only. Related patches add support
    for scale.
* atlas-sensor
  - Add support for RTD-SM OEM temperature sensor.
* cm32181
  - Add support for CM3218 including support for SMBUS alert via
    ACPI resources.
* ltc2632
  - Add support for ltc2634-12/10/8 DACS including handling per
    device type numbers of channels.

Major Features

* cm32181
  - ACPI bindings including parsing CPM0 and CPM1 custom ACPI tables.
    Includes minor tidy ups and fixes.
* vcnl4000
  - Add event support
  - Add buffered data capture support
  - Add control of sampling frequency

Cleanups and minor fixes.

* core
  - Trivial rework of iio_device_alloc to use an early return and
    improve readability.
  - Precursors to addition of multiple buffer support. So far
    minor refactoring.
* subsystem wide
  - Use get_unaligned_be24 slightly improve readability over open
    coding it.
* adis drivers
  - Use iio_get_debugfs_dentry access function.
* bh1780, cm32181, cm3232, gp2ap02a00f, opt3001, st_uvis25, vl6180,
  dmard06, kxsd9
  - Drop use of of_match_ptr to allow ACPI based probing via PRP0001.
    Part of clear out of this to avoid cut and paste into new drivers.
* ad5592r, ad5593r
  - Fix typos
* ad5933
  - Use managed interfaces to automate error handling and remove.
* ak8974
  - Fix wrong number of 'real bits' for buffered data.
  - Refactor to pull measurement code out as separate function.
    bmp280
  - Fix lack of clamp on range during data capture.
* at91-sama5d2_adc
  - Handle unfinished conversions correctly.
  - Allow use of triggers other than it's own.
  - Reorganize buffer setup and tear down as part of long running
    subsystem wide rework.
* ccs811
  - Add DT binding docs and match table.
  - Support external reset and wakeup pins.
* hid-sensors
  - Reorganize buffer setup and tear down as part of long running
    subsystem wide rework.
* ltr501
  - Constify some structs.
* vcnl4000
  - Fix an endian issue by using explicit byte swapped i2c accessors.

* tag 'iio-for-5.8b' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (74 commits)
  iio: light: ltr501: Constify structs
  staging: iio: ad5933: attach life-cycle of kfifo buffer to parent device and use managed calls throughout
  iio: bmp280: fix compensation of humidity
  iio: light: cm32181: Fix integartion time typo
  iio: light: cm32181: Add support for parsing CPM0 and CPM1 ACPI tables
  iio: light: cm32181: Make lux_per_bit and lux_per_bit_base_it runtime settings
  iio: light: cm32181: Use units of 1/100000th for calibscale and lux_per_bit
  iio: light: cm32181: Change reg_init to use a bitmap of which registers to init
  iio: light: cm32181: Handle CM3218 ACPI devices with 2 I2C resources
  iio: light: cm32181: Clean up the probe function a bit
  iio: light: cm32181: Add support for the CM3218
  iio: light: cm32181: Add some extra register defines
  iio: light: cm32181: Add support for ACPI enumeration
  iio: light: cm32181: Switch to new style i2c-driver probe function
  iio: hid-sensors: move triggered buffer setup into hid_sensor_setup_trigger
  iio: vcnl4000: Add buffer support for VCNL4010/20.
  iio: vcnl4000: Add sampling frequency support for VCNL4010/20.
  iio: vcnl4000: Add event support for VCNL4010/20.
  iio: vcnl4000: Factorize data reading and writing.
  iio: vcnl4000: Fix i2c swapped word reading.
  ...
2020-05-15 16:03:28 +02:00
Chris Ruehl
6f1c9e0da9 iio: DAC extension for ltc2634-12/10/8
This patch add support for Analog Devices (Linear Technology)
LTC2634 Quad 12-/10-/8-Bit Rail-to-Rail DAC.
The SPI functionality based on them from LTC2632 therefor
add the definitions only and update the Kconfig.

Signed-off-by: Chris Ruehl <chris.ruehl@gtsys.com.hk>

Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-05-03 09:47:23 +01:00
Greg Kroah-Hartman
e8014d83f6 Merge 5.7-rc3 into staging-next
We need the staging fixes in here too, and this resolves a merge issue
with the vt6656 driver.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-04-27 12:20:40 +02:00
Greg Kroah-Hartman
4e1d96306d First set of new IIO device support, features and cleanup for the 5.8 cycle
Usual mix of new drivers, new support in old drivers and lots of minor
 cleanup. Yaml conversions also continue to trickle in (plenty more to go!)
 
 New device support
 * ad7476
   - Add ad7091 support (ID only)
 * ad9467
   - New driver for this 200/250 MSPS adi-axi-adc and SPI attached ADC.
 * adi-axi-adc
   - New driver to support ADIs generic AXI ADC IP core, used to provide
     high speed interfaces to ADCs (JESD204B/C or parallel interfaces). Usually
     paired with a device using a slow configuration interface (spi etc)
     Includes DT bindings and some fixes for fpga headers.
 * bmg160
   - Add support for BMI088 (ID only)
 * max1241
   - New driver for this ADC.
 * st_sensors
   - Add support for LIS2HH12 accelerometer
 * sx9310
   - New driver supporting sx9310 and sx9311 proximity sensors.
 
 Yaml DT binding conversions
 * rockchip-saradc (including adding some missing parts)
 * stm32-dac
 * tsl2563
 * vcnl4000
 
 Features
 * st_lsm6dsx
   - Add LIS3MDL as a possible sensor hub device.
 * vcnl4000
   - Add new concept of near level (from DT) to provide to userspace which
     often needs to have some calibrated concept of 'near'.
 
 Cleanups, minor fixes etc.
 * core
   - Use snprintf for functions where strings are built and there is
     potential for overflow.
   - Correct docs to indicate mlock should not be used directly by drivers.
   - Fix up accidental dropping of a patch to use bitmap_zalloc.
   - Stop allowing enabling of buffers with no channels enabled.
   - Drop unused 'stufftoread' from iio_buffer.
   - Drop scan_el_attrs form iio_buffer as unused.
   - Reorder sanity checks in __iio_device_register to fail earlier.
   - Drop all the devm_ runregister / free functions from IIO as they
     were never used and encourage poor design.
 * dma-buffer
   - Tidy up includes.
 * dma-engine-buffer
   - Provide dev-managed allocator.
   - Fix an issue with printing a size_t
 * cross subsystem (kxsd9, bmg160, mpu3050, bmi160, mpu6050, bmc150)
   - Replace some unnecessary casts of error ptrs and whilst there.
     use the %pe printf parameter to print them in a more useful fashion.
 * cross subsystem
   - Drop casts in calls to regmap_bulk_read as they make no sense.
   - Use devm_platform_ioremap_resource to reduce boilerplate.
   - Fix typos in Analog Devices.
 * counters/104-quad
   - Add Syed Nayyar Waris as an additional maintainer.
 * ad7476
   - Generate CONVST signal internally rather than requiring external
     trigger.  Add sysfs read back as can now do so.
   - use devm_add_action_or_reset to tidy up error and remove handling.
 * ad7793
   - Switch to read_avail from explicit attribute. Mostly done to avoid
     confusing people with a - sign (without surounding spaces) that
     was correct but checkpatch didn't like.
 * adis library
   - Add missing newlines at end of error messages.
 * adis16400
   - Use DEFINE_DEBUGS_ATTRIBUTE rather than DEFINE_SIMPLE_ATTR.
 * adis16460
   - Use DEFINE_DEBUGS_ATTRIBUTE rather than DEFINE_SIMPLE_ATTR.
 * ad_sigma_delta
   - Move some channel definitions into individual drivers to avoid
     having to deal with complex options.
 * ak8974
   - Silence an error on deffered probe.
 * bmp280
   - Harden against IRQ before registration.
   - Convert to read_avail instead of opencoding the equivalent.
   - Explicitly mark GPIO as optional.
   - Cleanup casts.
   - Remove line breaks from strings.
 * htts221
   - Replace direct access to platform_data with dev_get_platdata().
   - Use device properties rather than device tree ones to allow ACPI
     probing.
   - Casting cleanups.
 * intel_mrfld_adc
   - Don't use unaligned accessor for aligned data.
 * isl29125
   - Reorder buer pre and post hooks to allow for coming core rework.
 * ltc2983
   - Remove comp to bool.
 * max1363
   - Stop using mlock from the iio_dev directly in favour of a local lock
     with clearly defined scope.
 * max30100
   - Use generic device properties to allow ACPI probe.
 * mpu6050
   - Convert to i2c_new_client_device.
   - Add debugfs register access.
 * st_lsm6dsx
   - Provide means of configuring full scale on slave device if supported.
   - Drop include of st_sensors header to get one value. Its not otherwise
     used by this driver.
 * st-sensors
   - Replace direct access to platform_data with dev_get_platdata().
   - Casting cleanups.
   - Avoid splitting strings.
 * st_uvis25
   - Casting cleanups.
 * tsl2563
   - Typo fix.
 * tsl2772
   - scnprintf in a non obvious string building usecase. Note also 'fixes'
     a wrong calculation of remaining space that couldn't actually cause
     any trouble as there was lots of room.
 * xilinx-xadc
   - Fix Lars-Peter spelling his own name wrong :) + additional typos.
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Merge tag 'iio-for-5.8a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next

Jonathan writes:

First set of new IIO device support, features and cleanup for the 5.8 cycle

Usual mix of new drivers, new support in old drivers and lots of minor
cleanup. Yaml conversions also continue to trickle in (plenty more to go!)

New device support
* ad7476
  - Add ad7091 support (ID only)
* ad9467
  - New driver for this 200/250 MSPS adi-axi-adc and SPI attached ADC.
* adi-axi-adc
  - New driver to support ADIs generic AXI ADC IP core, used to provide
    high speed interfaces to ADCs (JESD204B/C or parallel interfaces). Usually
    paired with a device using a slow configuration interface (spi etc)
    Includes DT bindings and some fixes for fpga headers.
* bmg160
  - Add support for BMI088 (ID only)
* max1241
  - New driver for this ADC.
* st_sensors
  - Add support for LIS2HH12 accelerometer
* sx9310
  - New driver supporting sx9310 and sx9311 proximity sensors.

Yaml DT binding conversions
* rockchip-saradc (including adding some missing parts)
* stm32-dac
* tsl2563
* vcnl4000

Features
* st_lsm6dsx
  - Add LIS3MDL as a possible sensor hub device.
* vcnl4000
  - Add new concept of near level (from DT) to provide to userspace which
    often needs to have some calibrated concept of 'near'.

Cleanups, minor fixes etc.
* core
  - Use snprintf for functions where strings are built and there is
    potential for overflow.
  - Correct docs to indicate mlock should not be used directly by drivers.
  - Fix up accidental dropping of a patch to use bitmap_zalloc.
  - Stop allowing enabling of buffers with no channels enabled.
  - Drop unused 'stufftoread' from iio_buffer.
  - Drop scan_el_attrs form iio_buffer as unused.
  - Reorder sanity checks in __iio_device_register to fail earlier.
  - Drop all the devm_ runregister / free functions from IIO as they
    were never used and encourage poor design.
* dma-buffer
  - Tidy up includes.
* dma-engine-buffer
  - Provide dev-managed allocator.
  - Fix an issue with printing a size_t
* cross subsystem (kxsd9, bmg160, mpu3050, bmi160, mpu6050, bmc150)
  - Replace some unnecessary casts of error ptrs and whilst there.
    use the %pe printf parameter to print them in a more useful fashion.
* cross subsystem
  - Drop casts in calls to regmap_bulk_read as they make no sense.
  - Use devm_platform_ioremap_resource to reduce boilerplate.
  - Fix typos in Analog Devices.
* counters/104-quad
  - Add Syed Nayyar Waris as an additional maintainer.
* ad7476
  - Generate CONVST signal internally rather than requiring external
    trigger.  Add sysfs read back as can now do so.
  - use devm_add_action_or_reset to tidy up error and remove handling.
* ad7793
  - Switch to read_avail from explicit attribute. Mostly done to avoid
    confusing people with a - sign (without surounding spaces) that
    was correct but checkpatch didn't like.
* adis library
  - Add missing newlines at end of error messages.
* adis16400
  - Use DEFINE_DEBUGS_ATTRIBUTE rather than DEFINE_SIMPLE_ATTR.
* adis16460
  - Use DEFINE_DEBUGS_ATTRIBUTE rather than DEFINE_SIMPLE_ATTR.
* ad_sigma_delta
  - Move some channel definitions into individual drivers to avoid
    having to deal with complex options.
* ak8974
  - Silence an error on deffered probe.
* bmp280
  - Harden against IRQ before registration.
  - Convert to read_avail instead of opencoding the equivalent.
  - Explicitly mark GPIO as optional.
  - Cleanup casts.
  - Remove line breaks from strings.
* htts221
  - Replace direct access to platform_data with dev_get_platdata().
  - Use device properties rather than device tree ones to allow ACPI
    probing.
  - Casting cleanups.
* intel_mrfld_adc
  - Don't use unaligned accessor for aligned data.
* isl29125
  - Reorder buer pre and post hooks to allow for coming core rework.
* ltc2983
  - Remove comp to bool.
* max1363
  - Stop using mlock from the iio_dev directly in favour of a local lock
    with clearly defined scope.
* max30100
  - Use generic device properties to allow ACPI probe.
* mpu6050
  - Convert to i2c_new_client_device.
  - Add debugfs register access.
* st_lsm6dsx
  - Provide means of configuring full scale on slave device if supported.
  - Drop include of st_sensors header to get one value. Its not otherwise
    used by this driver.
* st-sensors
  - Replace direct access to platform_data with dev_get_platdata().
  - Casting cleanups.
  - Avoid splitting strings.
* st_uvis25
  - Casting cleanups.
* tsl2563
  - Typo fix.
* tsl2772
  - scnprintf in a non obvious string building usecase. Note also 'fixes'
    a wrong calculation of remaining space that couldn't actually cause
    any trouble as there was lots of room.
* xilinx-xadc
  - Fix Lars-Peter spelling his own name wrong :) + additional typos.

* tag 'iio-for-5.8a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (101 commits)
  iio: magnetometer: ak8974: Silence deferred-probe error
  Documentation: ABI: document IIO in_proximity_nearlevel file
  iio: vcnl4000: Export near level property for proximity sensor
  dt-bindings: iio: light: vcnl4000: Add proximity-near-level
  dt-bindings: iio: Introduce common properties for iio sensors
  dt-bindings: iio: vcnl4000: convert bindings to YAML format
  iio: Fix misspellings of "Analog Devices"
  iio: light: isl29125: fix iio_triggered_buffer_{predisable,postenable} positions
  iio: adc: fsl-imx25-gcq: Use devm_platform_ioremap_resource
  iio: adc: at91-adc: Use devm_platform_ioremap_resource
  iio: adc: sun4i-gpadc-iio: Use devm_platform_ioremap_resource
  iio:light:ltr501: Drop unnecessary cast of parameter in regmap_bulk_read
  iio:magn:mmc35240: Drop unnecessary casts of val parameter in regmap_bulk*
  iio:imu:mpu6050: Tidy up parameters to regmap_bulk functions.
  iio:chemical:bme680: Tidy up parameters to regmap_bulk_read
  iio:chemical:atlas-sensor: Drop unnecessary explicit casts in regmap_bulk_read calls
  iio:accel:mxc4005: Drop unnecessary explicit casts in regmap_bulk_read calls
  iio: imu: st_lsm6dsx: drop huge include in sensor-hub driver
  iio: buffer: drop devm_iio_kfifo_free() API call
  iio: buffer: drop devm_iio_hw_consumer_free() API call
  ...
2020-04-23 11:06:48 +02:00
Fabrice Gasnier
9601c94d94 dt-bindings: iio: dac: stm32-dac: convert bindings to json-schema
Convert the STM32 DAC binding to DT schema format using json-schema

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-04-19 16:56:24 +01:00
Alexandru Tachici
2cf3818f18 dt-bindings: iio: dac: AD5570R fix bindings errors
Replaced num property with reg property, fixed errors
reported by dt-binding-check.

Fixes: ea52c21268 ("dt-bindings: iio: dac: Add docs for AD5770R DAC")
Signed-off-by: Alexandru Tachici <alexandru.tachici@analog.com>
[robh: Fix required property list, fix Fixes tag]
Signed-off-by: Rob Herring <robh@kernel.org>
2020-04-17 08:29:16 -05:00
Geert Uytterhoeven
9b5d2a4f79 dt-bindings: Fix misspellings of "Analog Devices"
According to https://www.analog.com/, the company name is spelled
"Analog Devices".

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Rob Herring <robh@kernel.org>
2020-04-16 14:30:58 -05:00
Fabio Estevam
bc4be5517e dt-bindings: iio: dac: ad5770r: Fix the file path
The following warning is seen with 'make dt_binding_check':

Documentation/devicetree/bindings/iio/dac/adi,ad5770r.yaml: $id: relative path/filename doesn't match actual path or filename

Fix it by removing the "bindings" directory from the file path.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Rob Herring <robh@kernel.org>
2020-04-14 15:41:13 -05:00
Fabio Estevam
7d6243aa59 dt-bindings: iio: dac: ad5770r: Add vendor to compatible string
The compatible string in the example misses the vendor information.

Pass the "adi" vendor to fix it.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
2020-04-14 15:41:13 -05:00
Linus Torvalds
bef7b2a7be Devicetree updates for v5.7:
- Unit test for overlays with GPIO hogs
 
 - Improve dma-ranges parsing to handle dma-ranges with multiple entries
 
 - Update dtc to upstream version v1.6.0-2-g87a656ae5ff9
 
 - Improve overlay error reporting
 
 - Device link support for power-domains and hwlocks bindings
 
 - Add vendor prefixes for Beacon, Topwise, ENE, Dell, SG Micro, Elida,
   PocketBook, Xiaomi, Linutronix, OzzMaker, Waveshare Electronics, and
   ITE Tech
 
 - Add deprecated Marvell vendor prefix 'mrvl'
 
 - A bunch of binding conversions to DT schema continues. Of note, the
   common serial and USB connector bindings are converted.
 
 - Add more Arm CPU compatibles
 
 - Drop Mark Rutland as DT maintainer :(
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Merge tag 'devicetree-for-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree updates from Rob Herring:

 - Unit test for overlays with GPIO hogs

 - Improve dma-ranges parsing to handle dma-ranges with multiple entries

 - Update dtc to upstream version v1.6.0-2-g87a656ae5ff9

 - Improve overlay error reporting

 - Device link support for power-domains and hwlocks bindings

 - Add vendor prefixes for Beacon, Topwise, ENE, Dell, SG Micro, Elida,
   PocketBook, Xiaomi, Linutronix, OzzMaker, Waveshare Electronics, and
   ITE Tech

 - Add deprecated Marvell vendor prefix 'mrvl'

 - A bunch of binding conversions to DT schema continues. Of note, the
   common serial and USB connector bindings are converted.

 - Add more Arm CPU compatibles

 - Drop Mark Rutland as DT maintainer :(

* tag 'devicetree-for-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (106 commits)
  MAINTAINERS: drop an old reference to stm32 pwm timers doc
  MAINTAINERS: dt: update etnaviv file reference
  dt-bindings: usb: dwc2: fix bindings for amlogic, meson-gxbb-usb
  dt-bindings: uniphier-system-bus: fix warning in the example
  dt-bindings: display: meson-vpu: fix indentation of reg-names' "items"
  dt-bindings: iio: Fix adi, ltc2983 uint64-matrix schema constraints
  dt-bindings: power: Fix example for power-domain
  dt-bindings: arm: Add some constraints for PSCI nodes
  of: some unittest overlays not untracked
  of: gpio unittest kfree() wrong object
  dt-bindings: phy: convert phy-rockchip-inno-usb2 bindings to yaml
  dt-bindings: serial: sh-sci: Convert to json-schema
  dt-bindings: serial: Document serialN aliases
  dt-bindings: thermal: tsens: Set 'additionalProperties: false'
  dt-bindings: thermal: tsens: Fix nvmem-cell-names schema
  dt-bindings: vendor-prefixes: Add Beacon vendor prefix
  dt-bindings: vendor-prefixes: Add Topwise
  of: of_private.h: Replace zero-length array with flexible-array member
  docs: dt: fix a broken reference to input.yaml
  docs: dt: fix references to ap806-system-controller.txt
  ...
2020-04-02 17:32:52 -07:00
Rob Herring
7f464532b0 dt-bindings: Add missing 'additionalProperties: false'
Setting 'additionalProperties: false' is frequently omitted, but is
important in order to check that there aren't extra undocumented
properties in a binding.

Ideally, we'd just add this automatically and make this the default, but
there's some cases where it doesn't work. For example, if a common
schema is referenced, then properties in the common schema aren't part
of what's considered for 'additionalProperties'. Also, sometimes there
are bus specific properties such as 'spi-max-frequency' that go into
bus child nodes, but aren't defined in the child node's schema.

So let's stick with the json-schema defined default and add
'additionalProperties: false' where needed. This will be a continual
review comment and game of wack-a-mole.

Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Reviewed-by: Benjamin Gaignard <benjamin.gaignard@st.com>
Acked-by: Stephen Boyd <sboyd@kernel.org> # clock
Acked-by: Lee Jones <lee.jones@linaro.org>
2020-03-31 09:03:17 -06:00
Alexandru Tachici
ea52c21268 dt-bindings: iio: dac: Add docs for AD5770R DAC
Adding dt-bindings documentation for AD5770R DAC.

Signed-off-by: Mircea Caprioru <mircea.caprioru@analog.com>
Signed-off-by: Alexandru Tachici <alexandru.tachici@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-08 17:28:42 +00:00
Uwe Kleine-König
b7dec2cb19 dt-bindings: iio: ltc2632: expand for ltc2636 support
The ltc2636 family of devices is register compatible with the ltc2636
chips, it just features 8 instead of 2 channels.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-02-14 15:06:09 +00:00
Rob Herring
04dbd86539 dt-bindings: Fix paths in schema $id fields
The $id path checks were inadequately checking the path part of the $id
value. With the check fixed, there's a number of errors that need to be
fixed. Most of the errors are including 'bindings/' in the path which
should not be as that is considered the root.

Cc: Andy Gross <agross@kernel.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Pengutronix Kernel Team <kernel@pengutronix.de>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: NXP Linux Team <linux-imx@nxp.com>
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Cc: "Nuno Sá" <nuno.sa@analog.com>
Cc: Jean Delvare <jdelvare@suse.com>
Cc: Stefan Popa <stefan.popa@analog.com>
Cc: Jonathan Cameron <jic23@kernel.org>
Cc: Hartmut Knaack <knaack.h@gmx.de>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Cc: Marcus Folkesson <marcus.folkesson@gmail.com>
Cc: Kent Gustavsson <kent@minoris.se>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: linux-clk@vger.kernel.org
Cc: linux-iio@vger.kernel.org
Cc: linux-input@vger.kernel.org
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
2020-02-05 09:14:57 +00:00
Marcus Folkesson
0cdd991bbc dt-bindings: iio: dac: Migrate LTC1660 documentation to yaml
Rewrite bindings to use json-schema vocabulary.

Signed-off-by: Marcus Folkesson <marcus.folkesson@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-11-10 11:37:10 +00:00
Ricardo Ribalda Delgado
b73c2c1a1c iio:dac:dac7612: device tree bindings
Bindings for dac7612.

Cc: devicetree@vger.kernel.org
Signed-off-by: Ricardo Ribalda Delgado <ricardo@ribalda.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-02-09 18:46:02 +00:00
Charles-Antoine Couret
fdbd710b35 dt-bindings: iio: dac: Add ti,dac7311 device tree bindings in documentation
Description how to invoke ti-dac7311 driver from device tree file.

Signed-off-by: Charles-Antoine Couret <charles-antoine.couret@essensium.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2018-11-11 15:29:45 +00:00
Stefan Popa
ff50593026 iio: dac: ad5758: Add support for hard reset
The ad5758 has a hardware reset active low input pin. This patch adds a
devicetree entry for a reset GPIO and a new ad5758_reset() function.
During
initialization, it is checked if the reset property is specified and the
the GPIO is being asserted, therefore the device will become active.

When the reset function is called, if the gpio_reset var is set, then
the
GPIO will be toggled, otherwise a software reset is performed.

Signed-off-by: Stefan Popa <stefan.popa@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2018-09-02 19:01:30 +01:00
Marcus Folkesson
d1071f726a dt-bindings: iio: dac: add bindings for ltc1660
LTC1665/LTC1660 is a 8/10-bit Digital-to-Analog Converter (DAC)
with eight individual channels.

Signed-off-by: Marcus Folkesson <marcus.folkesson@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2018-08-25 09:26:18 +01:00
Stefan Popa
777baca07e dt-bindings: iio: dac: Add docs for AD5758 DAC
Signed-off-by: Stefan Popa <stefan.popa@analog.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2018-07-07 18:21:30 +01:00
Silvan Murer
9ff1d5009f iio: dac: Add support for external reference voltage through the regulator framework.
Signed-off-by: Silvan Murer <silvan.murer@gmail.com>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2018-05-22 18:24:48 +01:00
Sean Nyekjaer
ea3d489839 iio: ti-dac5571: Add DT binding documentation
Adding binding documentation for Texas Instruments DAC5571 Family

Signed-off-by: Sean Nyekjaer <sean.nyekjaer@prevas.dk>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2018-05-06 18:50:47 +01:00
Lukas Wunner
930cc2d278 dt-bindings: iio: dac: ti-dac082s085: Document new driver
Add device tree bindings for Texas Instruments 8/10/12-bit 2/4-channel
DAC driver.

Cc: Mathias Duckeck <m.duckeck@kunbus.de>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2017-10-21 20:28:02 +01:00
Ismail H. Kose
b091b9ed1b iio:dac: Add DT binding documentation for ds4424
Signed-off-by: Ismail H. Kose <ihkose@gmail.com>
Signed-off-by: Ismail H. Kose <Ismail.Kose@maximintegrated.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2017-10-09 20:49:36 +01:00
Linus Torvalds
74fee4e88f DeviceTree updates for 4.14:
- Convert more DT code to use of_property_read_* API.
 
 - Improve DT overlay support when adding multiple overlays.
 
 - Convert printk's to %pOF format specifiers. Most went via subsystem
   trees, but picked up the remaining orphans.
 
 - Correct unittests to use preferred "okay" for "status" property value.
 
 - Add a KASLR seed property.
 
 - Vendor prefixes for Mellanox, Theobroma System, Adaptrum, Moxa.
 
 - Fix modalias buffer handling.
 
 - Clean-up of include paths for building dtbs.
 
 - Add bindings for amc6821, isl1208, tsl2x7x, srf02, and srf10 devices.
 
 - Add nvmem bindings for MediaTek MT7623 and MT7622 SoC.
 
 - Add compatible string for Allwinner H5 Mali-450 GPU.
 
 - Fix links to old OpenFirmware docs with new mirror on devicetree.org.
 
 - Remove status property from binding doc examples.
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Merge tag 'devicetree-for-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull DeviceTree updates from Rob Herring:
 "There's a few orphans in the conversion to %pOF printf specifiers
  included here that no one else picked up.

  Summary:

   - Convert more DT code to use of_property_read_* API.

   - Improve DT overlay support when adding multiple overlays

   - Convert printk's to %pOF format specifiers. Most went via subsystem
     trees, but picked up the remaining orphans

   - Correct unittests to use preferred "okay" for "status" property
     value

   - Add a KASLR seed property

   - Vendor prefixes for Mellanox, Theobroma System, Adaptrum, Moxa

   - Fix modalias buffer handling

   - Clean-up of include paths for building dtbs

   - Add bindings for amc6821, isl1208, tsl2x7x, srf02, and srf10
     devices

   - Add nvmem bindings for MediaTek MT7623 and MT7622 SoC

   - Add compatible string for Allwinner H5 Mali-450 GPU

   - Fix links to old OpenFirmware docs with new mirror on
     devicetree.org

   - Remove status property from binding doc examples"

* tag 'devicetree-for-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (45 commits)
  devicetree: Adjust status "ok" -> "okay" under drivers/of/
  dt-bindings: Remove "status" from examples
  dt-bindings: pinctrl: sh-pfc: Use generic node name
  dt-bindings: Add vendor Mellanox
  dt-binding: net/phy: fix interrupts description
  virt: Convert to using %pOF instead of full_name
  macintosh: Convert to using %pOF instead of full_name
  ide: pmac: Convert to using %pOF instead of full_name
  microblaze: Convert to using %pOF instead of full_name
  dt-bindings: usb: musb: Grammar s/the/to/, s/is/are/
  of: Use PLATFORM_DEVID_NONE definition
  of/device: Fix of_device_get_modalias() buffer handling
  of/device: Prevent buffer overflow in of_device_modalias()
  dt-bindings: add amc6821, isl1208 trivial bindings
  dt-bindings: add vendor prefix for Theobroma Systems
  of: search scripts/dtc/include-prefixes path for both CPP and DTC
  of: remove arch/$(SRCARCH)/boot/dts from include search path for CPP
  of: remove drivers/of/testcase-data from include search path for CPP
  of: return of_get_cpu_node from of_cpu_device_node_get if CPUs are not registered
  iio: srf08: add device tree binding for srf02 and srf10
  ...
2017-09-07 14:43:33 -07:00
Rob Herring
4da722ca19 dt-bindings: Remove "status" from examples
Pretty much any node can have a status property, so it doesn't need to
be in examples.

Converted with the following command and removed examples with SoC and
board specific splits:

git grep -l -E 'status.*=.*' Documentation/devicetree/ | xargs sed -i -E '/\sstatus.*=.*"(disabled|ok|okay)/d'

Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Rob Herring <robh@kernel.org>
2017-09-05 10:03:06 -05:00
Fabrice Gasnier
ed5c46880b dt-bindings: iio: stm32-dac: add support for STM32F4
Introduce new compatible to support STM32F4 DAC (Digital-To-Analog
converter) variant.

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2017-07-15 12:25:57 +01:00
Fabrice Gasnier
48428d1732 dt-bindings: iio: stm32-dac: Add support for STM32 DAC
Document STMicroelectronics STM32 DAC (digital-to-analog converter).

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2017-04-14 16:35:44 +01:00
Maxime Roussin-Belanger
02b829f9e1 iio: dac: Add support for ltc2632 DACs
Add support for Linear Technology LTC2632 (SPI) family of·
dual 12- 10-, and 8-bits output DACs.

Signed-off-by: Maxime Roussin-Belanger <maxime.roussinbelanger@gmail.com>
Signed-off-by: Jean-Francois Dagenais <jeff.dagenais@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2017-03-21 18:43:56 +00:00
Peter Rosin
ed13134ba8 dt-bindings: iio: document dpot-dac bindings
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-11-13 11:40:28 +00:00
Tomas Novotny
8b0ee39f4d Documentation: dt: iio: add mcp4725/6 dac device binding
Signed-off-by: Tomas Novotny <tomas@novotny.cz>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-10-23 19:34:22 +01:00
Sean Nyekjaer
67626cc1a0 iio: ad5755: Add DT binding documentation
Signed-off-by: Sean Nyekjaer <sean.nyekjaer@prevas.dk>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-06-27 21:09:08 +01:00
Paul Cercueil
56ca9db862 iio: dac: Add support for the AD5592R/AD5593R ADCs/DACs
This patch adds support for the AD5592R (spi) and AD5593R (i2c)
ADC/DAC/GPIO devices.

Signed-off-by: Paul Cercueil <paul.cercueil@analog.com>
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-10 14:29:06 +01:00
Joachim Eastwood
d03b65967c dt: document NXP LPC1850 DAC driver bindings
Signed-off-by: Joachim Eastwood <manabian@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-20 10:26:57 +00:00
Sanchayan Maity
1b983bf42f iio: dac: vf610_dac: Add IIO DAC driver for Vybrid SoC
Add driver support for DAC peripheral on Vybrid SoC.

Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-02-24 20:52:55 +00:00
Rob Herring
d9d41df3e8 dt-bindings: consolidate various misc bindings
Move various bindings in misc to appropriate subsystem directories.

Signed-off-by: Rob Herring <robh@kernel.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
2015-10-22 09:21:23 -05:00
Philippe Reynes
4729889727 iio: add support of the max5821
Signed-off-by: Philippe Reynes <tremyfr@yahoo.fr>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-07-27 14:21:35 +01:00
Lars-Peter Clausen
f83478240e iio:dac: Add support for the AD7303
This patch adds support for the AD7303. The AD7303 is a simple 2 channel 8 bit
DAC with an SPI interface.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-06-11 20:25:58 +01:00