Commit Graph

143 Commits

Author SHA1 Message Date
Neel Bullywon
8abf158b84 iio: frequency: adf4350: replace TODO with NOTE in adf4350_set_freq()
Replace the TODO comment in adf4350_set_freq() with a NOTE explaining
that a constant-time approach using fls_long() was attempted but deemed
more complex without meaningful benefit for initialization code.

Signed-off-by: Neel Bullywon <neelb2403@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2026-03-25 20:20:16 +00:00
Jonathan Cameron
9e4e86a604 Linux 7.0-rc4
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Merge tag 'v7.0-rc4' into togreg

Linux 7.0-rc4

Required for the ds4422 series which is build upon;
5187e03b81 ("iio: dac: ds4424: reject -128 RAW value")
2026-03-22 12:20:42 +00:00
Antoniu Miclaus
6849c6356b iio: frequency: ad9523: use dev_err_probe
Use dev_err_probe() instead of dev_err() in the probe path to ensure
proper handling of deferred probing and to simplify error handling.

Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2026-03-21 21:12:24 +00:00
Antoniu Miclaus
9582a65eda iio: frequency: ad9523: add dev variable
Introduce a local struct device variable in ad9523_probe() to simplify
subsequent conversions and improve code readability.

Split pdata declaration and assignment since the result is validated
immediately after.

No functional change.

Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2026-03-21 21:12:24 +00:00
Antoniu Miclaus
7428168fe1 iio: frequency: admv4420: use dev_err_probe
Use dev_err_probe() instead of dev_err() in the probe path to ensure
proper handling of deferred probing and to simplify error handling.

Also fix the format specifier for vco_freq_hz from %lld to %llu since
it is u64 (unsigned), and add missing newline to the error message.

Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2026-03-21 21:12:24 +00:00
Antoniu Miclaus
e81f3889c2 iio: frequency: admv4420: add dev variable
Introduce a local struct device variable in admv4420_probe() to
simplify subsequent conversions and improve code readability.

No functional change.

Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2026-03-21 21:12:23 +00:00
Antoniu Miclaus
aac0a51b16 iio: frequency: admv1013: fix NULL pointer dereference on str
When device_property_read_string() fails, str is left uninitialized
but the code falls through to strcmp(str, ...), dereferencing a garbage
pointer. Replace manual read/strcmp with
device_property_match_property_string() and consolidate the SE mode
enums into a single sequential enum, mapping to hardware register
values via a switch consistent with other bitfields in the driver.

Several cleanup patches have been applied to this driver recently so
this will need a manual backport.

Fixes: da35a7b526 ("iio: frequency: admv1013: add support for ADMV1013")
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2026-03-14 12:10:21 +00:00
Antoniu Miclaus
d43795cb35 iio: frequency: admv4420: return proper error code from admv4420_calc_parameters()
Return -EINVAL instead of -1 when no valid PLL parameters solution is
found. Using standard kernel error codes ensures consistency and proper
error propagation through the call chain.

Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2026-03-03 21:18:24 +00:00
Bhargav Joshi
dfe5e8fb17 iio: frequency: ad9523: use octal permissions
The driver currently defines device attributes using symbolic permission
flags (S_IRUGO and S_IWUSR). Update these to use octal permissions (0444
and 0200) to resolve checkpatch warnings.

Signed-off-by: Bhargav Joshi <rougueprince47@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2026-02-28 12:15:19 +00:00
Bhargav Joshi
787c9a9cdc iio: frequency: ad9523: fix multi-line dereferences
Platform data pointer dereferences for pll1_charge_pump_current_nA and
pll2_charge_pump_current_nA were split across multiple lines. Bring the
dereference chains onto a single line.

This resolves the following checkpatch.pl warnings:
WARNING: Avoid multiple line dereference - prefer 'pdata->pll1_charge_pump_current_nA'
WARNING: Avoid multiple line dereference - prefer 'pdata->pll2_charge_pump_current_nA'

Signed-off-by: Bhargav Joshi <rougueprince47@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2026-02-28 12:15:19 +00:00
Bhargav Joshi
e830a8894e iio: frequency: ad9523: fix implicit variable macros
The macros AD9523_CLK_DIST_DIV_PHASE_REV(x) and
AD9523_CLK_DIST_DIV_REV(x) implicitly relied on the variable named 'ret'
instead of using passed argument '(x)'. Update the macros to explicitly
use the argument '(x)' for their operations.

This also resolves the following checkpatch.pl warning: Argument '(x)'
is not used in function-like macro.

Signed-off-by: Bhargav Joshi <rougueprince47@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2026-02-28 12:15:19 +00:00
Antoniu Miclaus
3e1c0b9501 iio: frequency: adf4377: use dev_err_probe()
Use dev_err_probe() consistently in the probe path to simplify error
handling and ensure deferred probes are logged correctly.

Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2026-02-28 11:35:18 +00:00
Antoniu Miclaus
b2d2a6ea12 iio: frequency: adf4377: add dev variable
Introduce a local struct device pointer in functions that reference
&spi->dev for device-managed resource calls and device property reads,
improving code readability.

Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2026-02-28 11:35:17 +00:00
Antoniu Miclaus
9e9f38c44b iio: frequency: admv1013: use dev_err_probe()
Use dev_err_probe() consistently in the probe path to simplify error
handling and ensure deferred probes are logged correctly.

Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2026-02-28 11:35:11 +00:00
Antoniu Miclaus
e61b5bb0e9 iio: frequency: admv1013: add dev variable
Introduce a local struct device pointer in functions that reference
&spi->dev for device-managed resource calls and device property reads,
improving code readability.

Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2026-02-28 11:35:11 +00:00
Antoniu Miclaus
b343f010d5 iio: frequency: admv1014: use dev_err_probe()
Use dev_err_probe() consistently in the probe path to simplify error
handling and ensure deferred probes are logged correctly.

Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2026-02-28 11:35:02 +00:00
Antoniu Miclaus
4ced084be4 iio: frequency: admv1014: add dev variable
Introduce a local struct device pointer in functions that reference
&spi->dev for device-managed resource calls and device property reads,
improving code readability.

Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2026-02-28 11:35:02 +00:00
Antoniu Miclaus
6faa419480 iio: frequency: adrf6780: use dev_err_probe()
Use dev_err_probe() consistently in the probe path to simplify error
handling and ensure deferred probes are logged correctly.

Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2026-02-28 11:34:56 +00:00
Antoniu Miclaus
9047ea8def iio: frequency: adrf6780: add dev variable
Introduce a local struct device pointer in functions that reference
&spi->dev for device-managed resource calls and device property reads,
improving code readability.

Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2026-02-28 11:34:30 +00:00
SeungJu Cheon
6c8bf4b604 iio: frequency: adf4377: Fix duplicated soft reset mask
The regmap_read_poll_timeout() uses ADF4377_0000_SOFT_RESET_R_MSK
twice instead of checking both SOFT_RESET_MSK (bit 0) and
SOFT_RESET_R_MSK (bit 7). This causes an incomplete reset status check.

The code first sets both SOFT_RESET and SOFT_RESET_R bits to 1 via
regmap_update_bits(), then polls for them to be cleared. Since we set
both bits before polling, we should be waiting for both to clear.

Fix by using both masks as done in regmap_update_bits() above.

Fixes: eda549e2e5 ("iio: frequency: adf4377: add support for ADF4377")
Signed-off-by: SeungJu Cheon <suunj1331@gmail.com>
Cc: Stable@vger.kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2026-02-23 08:24:37 +00:00
Antoniu Miclaus
bc2cb23607 iio: frequency: adf4350: Return -ENOMEM on memory allocation failure
adf4350_parse_dt() returns NULL only when devm_kzalloc() fails. The
caller should return -ENOMEM in this case, not -EINVAL.

Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2026-02-23 08:24:22 +00:00
Antoniu Miclaus
60e5448ddb iio: frequency: adf4377: add clk provider support
Add clk provider feature for the adf4377.

Even though the driver was sent as an IIO driver in most cases the
device is actually seen as a clock provider.

This patch aims to cover actual usecases requested by users in order to
completely control the output frequencies from userspace.

Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2025-12-21 11:41:12 +00:00
Greg Kroah-Hartman
fc3e44e492 IIO: New device support, features and cleanup for 6.18
New device support
 ==================
 
 ad,ade9000
 - New driver for this complex energy and power monitoring ADC.
 infineon,tlv493d
 - New driver for this 3D magnetic sensor.
 intel,dollar
 - New driver for this TI PMIC (part number unknown)
 marvel,88pm886
 - Driver for this PMIC ADC.
 microchip,mcp9600
 - Add explicit support for the mcp9601 which has some additional features
   over the mcp9600.
 rohm,bd79112
 - New driver for this ADC / GPIO Chip.
 
 Features
 ========
 Core
 - New helper to multiply data expressed in IIO types.
 - Add KUnit tests.
 - New IIO_ALTCURRENT type, similar to existing IIO_ALTVOLTAGE
 - Add some channel modifiers related to energy and power, such as
   reactive.
 adi,ad7124
 - Support external clocks sources and output of the internal clocks.
 - Filter control.
 adi,ad7173
 - Add filter support. Some fiddly interactions with other parameters on this
   device.
 adi,ad7779
 - Add backend support which required control of the number of lanes used.
 liteon,ltr390
 - Add runtime PM support.
 microchip,mcp9600
 - Add support for different thermocouple types.
 
 Cleanup and minor fixes
 =======================
 
 core
 - Switch info_mask fields to be unsigned. Not clear why they were ever
   signed.
 - Fix handling of negative channel scale in iio_convert_raw_to_processed()
 - Fix offset handling for channels without a scale attribute.
 - Improve the precision of scaling slightly.
 - Drop apparent handling of IIO_CHAN_INFO_PROCESSED for devices that don't
   have any such channels.
 various
 - Drop many pm_runtime_mark_last_busy() calls now
   pm_runtime_put_autosuspend() calls it internally.
 - Drop dev_err_probe() calls where the error code is hard coded as -ENOMEM
   as they don't do anything.
 - Drop dev_err() calls where the error code is -ENOMEM. This will reduce
   error prints, but memory failures generate a lot of messages anyway
   so unlikely we need these prints.
 current-sense-amplifier
 - Add #io-channels property this channel to be used by a consumer driver.
 adi,ad7124
 - Fix incorrect clocks dt-binding property.
 - Make the mclk clock optional in DT - this is internal to the ADC so should
   never have been in he binding.
 - Fix up sample rate to comply with ABI.
 - Use read_avail() callback rather than opencoding similar.
 - Deploy guard() to clean up some lock handling.
 adi,ad7768
 - Use devm_regulator_get_enable_read_voltage() to replace similar code.
 adi,ad7816
 - Drop an unnecessary dev_set_drvdata() call as nothing uses the data.
 ad,adxl345
 - Fix missing blank line before bullet list in documentation.
 arm,scmi
 - Use devm_kcalloc() for an array allocation rather than devm_kzalloc().
 bosch,bmi270
 - Match an ACPI ID seen in the wild. It is not spec compliant but we can't
   do much about that.
 bosch,bmp280
 - Drop overly noisy dev_info()
 - Allow for sleeping gpio controllers.
 gogle,cros-ec
 - Drop unused location attribute that has been replaced by label.
 invense,icm42600
 - Simplify the power management.
 - Use guard() to simplify some locking.
 maxim,max1238
 - Add io-channel-cells property to dt-binding as there is an in tree
   consumer.
 microchip,mcp9600
 - Specify a default value in dt-binding for the thermocouple type
 - General whitespace cleanup.
 samsung,exynos
 - Drop support for the S3C2410 including bindings, and touchscreen support
   as nothing else uses that.
 - Drop platform ID based binding as not used.
 st,vl53l0x
 - Fix returning the wrong variable in an error path.
 ti,pac1934
 - Replace open coded devm_mutex_init().
 xilinx,ams
 - Update maintainers entry.
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Merge tag 'iio-for-6.18a' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-next

Jonathan writes:

IIO: New device support, features and cleanup for 6.18

New device support
==================

ad,ade9000
- New driver for this complex energy and power monitoring ADC.
infineon,tlv493d
- New driver for this 3D magnetic sensor.
intel,dollar
- New driver for this TI PMIC (part number unknown)
marvel,88pm886
- Driver for this PMIC ADC.
microchip,mcp9600
- Add explicit support for the mcp9601 which has some additional features
  over the mcp9600.
rohm,bd79112
- New driver for this ADC / GPIO Chip.

Features
========
Core
- New helper to multiply data expressed in IIO types.
- Add KUnit tests.
- New IIO_ALTCURRENT type, similar to existing IIO_ALTVOLTAGE
- Add some channel modifiers related to energy and power, such as
  reactive.
adi,ad7124
- Support external clocks sources and output of the internal clocks.
- Filter control.
adi,ad7173
- Add filter support. Some fiddly interactions with other parameters on this
  device.
adi,ad7779
- Add backend support which required control of the number of lanes used.
liteon,ltr390
- Add runtime PM support.
microchip,mcp9600
- Add support for different thermocouple types.

Cleanup and minor fixes
=======================

core
- Switch info_mask fields to be unsigned. Not clear why they were ever
  signed.
- Fix handling of negative channel scale in iio_convert_raw_to_processed()
- Fix offset handling for channels without a scale attribute.
- Improve the precision of scaling slightly.
- Drop apparent handling of IIO_CHAN_INFO_PROCESSED for devices that don't
  have any such channels.
various
- Drop many pm_runtime_mark_last_busy() calls now
  pm_runtime_put_autosuspend() calls it internally.
- Drop dev_err_probe() calls where the error code is hard coded as -ENOMEM
  as they don't do anything.
- Drop dev_err() calls where the error code is -ENOMEM. This will reduce
  error prints, but memory failures generate a lot of messages anyway
  so unlikely we need these prints.
current-sense-amplifier
- Add #io-channels property this channel to be used by a consumer driver.
adi,ad7124
- Fix incorrect clocks dt-binding property.
- Make the mclk clock optional in DT - this is internal to the ADC so should
  never have been in he binding.
- Fix up sample rate to comply with ABI.
- Use read_avail() callback rather than opencoding similar.
- Deploy guard() to clean up some lock handling.
adi,ad7768
- Use devm_regulator_get_enable_read_voltage() to replace similar code.
adi,ad7816
- Drop an unnecessary dev_set_drvdata() call as nothing uses the data.
ad,adxl345
- Fix missing blank line before bullet list in documentation.
arm,scmi
- Use devm_kcalloc() for an array allocation rather than devm_kzalloc().
bosch,bmi270
- Match an ACPI ID seen in the wild. It is not spec compliant but we can't
  do much about that.
bosch,bmp280
- Drop overly noisy dev_info()
- Allow for sleeping gpio controllers.
gogle,cros-ec
- Drop unused location attribute that has been replaced by label.
invense,icm42600
- Simplify the power management.
- Use guard() to simplify some locking.
maxim,max1238
- Add io-channel-cells property to dt-binding as there is an in tree
  consumer.
microchip,mcp9600
- Specify a default value in dt-binding for the thermocouple type
- General whitespace cleanup.
samsung,exynos
- Drop support for the S3C2410 including bindings, and touchscreen support
  as nothing else uses that.
- Drop platform ID based binding as not used.
st,vl53l0x
- Fix returning the wrong variable in an error path.
ti,pac1934
- Replace open coded devm_mutex_init().
xilinx,ams
- Update maintainers entry.

* tag 'iio-for-6.18a' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (178 commits)
  MAINTAINERS: Support ROHM BD79112 ADC
  iio: adc: Support ROHM BD79112 ADC/GPIO
  dt-bindings: iio: adc: ROHM BD79112 ADC/GPIO
  iio: pressure: bmp280: Use gpiod_set_value_cansleep()
  iio: pressure: bmp280: Remove noisy dev_info()
  iio: ABI: add filter types for ad7173
  iio: adc: ad7173: support changing filter type
  iio: adc: ad7173: rename odr field
  iio: adc: ad7173: rename ad7173_chan_spec_ext_info
  iio: adc: Add driver for Marvell 88PM886 PMIC ADC
  dt-bindings: mfd: 88pm886: Add #io-channel-cells
  iio: ABI: document "sinc4+rej60" filter_type
  iio: adc: ad7124: add filter support
  iio: adc: ad7124: support fractional sampling_frequency
  iio: adc: ad7124: use guard(mutex) to simplify return paths
  iio: adc: ad7124: use read_avail() for scale_available
  iio: adc: ad7124: use clamp()
  iio: adc: ad7124: fix sample rate for multi-channel use
  Documentation: ABI: iio: add sinc4+lp
  docs: iio: add documentation for ade9000 driver
  ...
2025-09-23 14:15:25 +02:00
Michael Hennerich
33d7ecbf69 iio: frequency: adf4350: Fix prescaler usage.
The ADF4350/1 features a programmable dual-modulus prescaler of 4/5 or 8/9.
When set to 4/5, the maximum RF frequency allowed is 3 GHz.
Therefore, when operating the ADF4351 above 3 GHz, this must be set to 8/9.
In this context not the RF output frequency is meant
- it's the VCO frequency.

Therefore move the prescaler selection after we derived the VCO frequency
from the desired RF output frequency.

This BUG may have caused PLL lock instabilities when operating the VCO at
the very high range close to 4.4 GHz.

Fixes: e31166f0fd ("iio: frequency: New driver for Analog Devices ADF4350/ADF4351 Wideband Synthesizers")
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Nuno Sá <nuno.sa@analog.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://patch.msgid.link/20250829-adf4350-fix-v2-1-0bf543ba797d@analog.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2025-08-31 16:46:24 +01:00
Waqar Hameed
65e8202f03 iio: Remove error prints for devm_add_action_or_reset()
When `devm_add_action_or_reset()` fails, it is due to a failed memory
allocation and will thus return `-ENOMEM`. `dev_err_probe()` doesn't do
anything when error is `-ENOMEM`. Therefore, remove the useless call to
`dev_err_probe()` when `devm_add_action_or_reset()` fails, and just
return the value instead.

Signed-off-by: Waqar Hameed <waqar.hameed@axis.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://patch.msgid.link/pndectqm7te.a.out@axis.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2025-08-16 11:57:08 +01:00
Colin Ian King
6cdb4009c2 iio: admv1013: replace redundant ternary operator with just len
The variable ret is being assigned a return value and non-zero error
return paths are taken at all stages. At the end of the function ret
is always zero, so the ternary operator checking for zero ret is
redundant and can be replaced with just len instead.

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Reviewed-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20250507134502.254736-1-colin.i.king@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2025-05-21 14:21:34 +01:00
David Lechner
70788d26ae iio: normalize array sentinel style
Use `\t(\{ ?\},|\{\}|\{\s*/\*.*\*/\s*\},?)$` regex to find and replace
the array sentinel in all IIO drivers to the same style.

For some time, we've been trying to consistently use `{ }` (no trailing
comma, no comment, one space between braces) for array sentinels in the
IIO subsystem. Still nearly 50% of existing code uses a different style.
To save reviewers from having to request this trivial change as
frequently, let's normalize the style in all existing IIO drivers.
At least when code is copy/pasted to new drivers, the style will be
consistent.

Signed-off-by: David Lechner <dlechner@baylibre.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://patch.msgid.link/20250411-iio-sentinel-normalization-v1-1-d293de3e3d93@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2025-04-22 19:10:04 +01:00
Antoniu Miclaus
80ce1f106a iio: frequency: adf4371: add ref doubler
Add support for the reference doubler.

Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Link: https://patch.msgid.link/20250127101026.5320-4-antoniu.miclaus@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2025-02-08 15:16:29 +00:00
Antoniu Miclaus
e01670e31d iio: frequency: adf4371: add refin mode
Add support for single-ended/differential reference input mode.

Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Link: https://patch.msgid.link/20250127101026.5320-3-antoniu.miclaus@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2025-02-08 15:16:29 +00:00
Greg Kroah-Hartman
d723c456ef Merge 6.12-rc4 into char-misc-next
We need the iio fixes from 6.12-rc4 in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-10-21 08:42:22 +02:00
Greg Kroah-Hartman
7528cb0f65 IIO: 1st set of fixes for the 6.12 cycle.
Most of this pull request is the result of Javier Carrasco doing a
 careful audit for missing Kconfig dependencies that luck has meant
 the random builds have never hit. The rest is the usual mix of old
 bugs that have surfaced and some fallout from the recent merge window.
 
 adi,ad5686
  - Fix binding duplication of compatible strings.
 bosch,bma400
  - Fix an uninitialized variable in the event tap handling.
 bosch,bmi323
  - Fix several issues in the register saving and restore on suspend/resume
 sensiron,spd500
  - Fix missing CRC8 dependency
 ti,op3001
  - Fix a missing full-scale range value (values above this point were
    all reported wrongly)
 vishay,veml6030
  - Fix a segmentation fault due to some type confusion.
  - Fix wrong ambient light sensor resolution.
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Merge tag 'iio-fixes-for-6.12a' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-linus

Jonathan writes:

IIO: 1st set of fixes for the 6.12 cycle.

Most of this pull request is the result of Javier Carrasco doing a
careful audit for missing Kconfig dependencies that luck has meant
the random builds have never hit. The rest is the usual mix of old
bugs that have surfaced and some fallout from the recent merge window.

adi,ad5686
 - Fix binding duplication of compatible strings.
bosch,bma400
 - Fix an uninitialized variable in the event tap handling.
bosch,bmi323
 - Fix several issues in the register saving and restore on suspend/resume
sensiron,spd500
 - Fix missing CRC8 dependency
ti,op3001
 - Fix a missing full-scale range value (values above this point were
   all reported wrongly)
vishay,veml6030
 - Fix a segmentation fault due to some type confusion.
 - Fix wrong ambient light sensor resolution.

* tag 'iio-fixes-for-6.12a' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (34 commits)
  iio: frequency: admv4420: fix missing select REMAP_SPI in Kconfig
  iio: frequency: {admv4420,adrf6780}: format Kconfig entries
  iio: adc: ad4695: Add missing Kconfig select
  iio: adc: ti-ads8688: add missing select IIO_(TRIGGERED_)BUFFER in Kconfig
  iio: hid-sensors: Fix an error handling path in _hid_sensor_set_report_latency()
  iioc: dac: ltc2664: Fix span variable usage in ltc2664_channel_config()
  iio: dac: stm32-dac-core: add missing select REGMAP_MMIO in Kconfig
  iio: dac: ltc1660: add missing select REGMAP_SPI in Kconfig
  iio: dac: ad5770r: add missing select REGMAP_SPI in Kconfig
  iio: amplifiers: ada4250: add missing select REGMAP_SPI in Kconfig
  iio: frequency: adf4377: add missing select REMAP_SPI in Kconfig
  iio: resolver: ad2s1210: add missing select (TRIGGERED_)BUFFER in Kconfig
  iio: resolver: ad2s1210 add missing select REGMAP in Kconfig
  iio: proximity: mb1232: add missing select IIO_(TRIGGERED_)BUFFER in Kconfig
  iio: pressure: bm1390: add missing select IIO_(TRIGGERED_)BUFFER in Kconfig
  iio: magnetometer: af8133j: add missing select IIO_(TRIGGERED_)BUFFER in Kconfig
  iio: light: bu27008: add missing select IIO_(TRIGGERED_)BUFFER in Kconfig
  iio: chemical: ens160: add missing select IIO_(TRIGGERED_)BUFFER in Kconfig
  iio: dac: ad5766: add missing select IIO_(TRIGGERED_)BUFFER in Kconfig
  iio: dac: ad3552r: add missing select IIO_(TRIGGERED_)BUFFER in Kconfig
  ...
2024-10-13 17:23:47 +02:00
Jonathan Cameron
220c71dafa Linux 6.12-rc2
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Merge tag 'v6.12-rc2' into test2

Linux 6.12-rc2

Resolved movement of asm/unaligned.h to linux/unaligned.h
2024-10-12 11:43:29 +01:00
Javier Carrasco
6b8e9dbfae iio: frequency: admv4420: fix missing select REMAP_SPI in Kconfig
This driver makes use of regmap_spi, but does not select the required
module.
Add the missing 'select REGMAP_SPI'.

Fixes: b59c041559 ("iio: frequency: admv4420.c: Add support for ADMV4420")
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://patch.msgid.link/20241007-ad2s1210-select-v2-2-7345d228040f@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-10-10 19:27:25 +01:00
Javier Carrasco
5c9644a683 iio: frequency: {admv4420,adrf6780}: format Kconfig entries
Format the entries of these drivers in the Kconfig, where spaces
instead of tabs were used.

Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://patch.msgid.link/20241007-ad2s1210-select-v2-1-7345d228040f@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-10-10 19:27:25 +01:00
Nuno Sa
3681313a1c iio: frequency: adf4371: make use of dev_err_probe()
Use dev_err_probe() to simplify probe() error handling. While at it, add
some error log in case we fail to get clkin.

Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://patch.msgid.link/20241009-dev-adf4371-minor-improv-v1-4-97f4f22ed941@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-10-10 19:12:42 +01:00
Nuno Sa
eec91fc8aa iio: frequency: adf4371: drop clkin from struct adf4371_state
We already cache clkin rate during probe and then never use the clk
object again. Hence, no point in saving in our global state struct.

Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://patch.msgid.link/20241009-dev-adf4371-minor-improv-v1-3-97f4f22ed941@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-10-10 19:12:42 +01:00
Nuno Sa
17f3d6cef3 iio: frequency: adf4371: drop spi_set_drvdata()
spi_set_drvdata() is not needed as there's no spi_get_drvdata() call in
the code.

Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://patch.msgid.link/20241009-dev-adf4371-minor-improv-v1-2-97f4f22ed941@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-10-10 19:12:42 +01:00
Nuno Sa
f1a5d7795f iio: frequency: adf4371: make use of spi_get_device_match_data()
To use spi_get_device_match_data(), add the chip_info structure to the
of_device_id table which is always a good thing to do.

While at it, added dedicated variables for each chip (instead of the
harder to maintain array) and added a new string variable for the part
name.

Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://patch.msgid.link/20241009-dev-adf4371-minor-improv-v1-1-97f4f22ed941@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-10-10 19:12:42 +01:00
Javier Carrasco
c64643ed4e iio: frequency: adf4377: add missing select REMAP_SPI in Kconfig
This driver makes use of regmap_spi, but does not select the required
module.
Add the missing 'select REGMAP_SPI'.

Fixes: eda549e2e5 ("iio: frequency: adf4377: add support for ADF4377")
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://patch.msgid.link/20241003-ad2s1210-select-v1-3-4019453f8c33@gmail.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-10-06 16:30:53 +01:00
Al Viro
5f60d5f6bb move asm/unaligned.h to linux/unaligned.h
asm/unaligned.h is always an include of asm-generic/unaligned.h;
might as well move that thing to linux/unaligned.h and include
that - there's nothing arch-specific in that header.

auto-generated by the following:

for i in `git grep -l -w asm/unaligned.h`; do
	sed -i -e "s/asm\/unaligned.h/linux\/unaligned.h/" $i
done
for i in `git grep -l -w asm-generic/unaligned.h`; do
	sed -i -e "s/asm-generic\/unaligned.h/linux\/unaligned.h/" $i
done
git mv include/asm-generic/unaligned.h include/linux/unaligned.h
git mv tools/include/asm-generic/unaligned.h tools/include/linux/unaligned.h
sed -i -e "/unaligned.h/d" include/asm-generic/Kbuild
sed -i -e "s/__ASM_GENERIC/__LINUX/" include/linux/unaligned.h tools/include/linux/unaligned.h
2024-10-02 17:23:23 -04:00
Andy Shevchenko
602711d566 iio: frequency: adf4350: Get platform data via dev_get_platdata()
Access to platform data via dev_get_platdata() getter to make code cleaner.

Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://patch.msgid.link/20240902222824.1145571-13-andy.shevchenko@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-09-30 09:21:00 +01:00
Andy Shevchenko
03bf27acc4 iio: frequency: ad9523: Get platform data via dev_get_platdata()
Access to platform data via dev_get_platdata() getter to make code cleaner.

Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://patch.msgid.link/20240902222824.1145571-12-andy.shevchenko@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-09-30 09:21:00 +01:00
Antoniu Miclaus
6140a92cd0 iio: frequency: adf4377: add adf4378 support
Add separate handling for adf4378 within the driver.

The main difference between adf4377 and adf4378 is that adf4378 has only
one output which is handled by only one gpio.

Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Link: https://patch.msgid.link/20240729095047.25040-3-antoniu.miclaus@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-08-03 10:13:45 +01:00
Antoniu Miclaus
a1a09713b4 iio: frequency: adf4350: add clk provider
Add clk provider feature for the adf4350.

Even though the driver was sent as an IIO driver in most cases the
device is actually seen as a clock provider.

This patch aims to cover actual usecases requested by users in order to
completely control the output frequencies from userspace.

Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Link: https://patch.msgid.link/20240621121403.47912-2-antoniu.miclaus@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-06-25 21:04:49 +01:00
Antoniu Miclaus
e2261b4a4d iio: frequency: adrf6780: rm clk provider include
The driver has no clock provider implementation, therefore remove the
include.

Fixes: 63aaf6d06d ("iio: frequency: adrf6780: add support for ADRF6780")
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Link: https://lore.kernel.org/r/20240530092835.36892-1-antoniu.miclaus@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-06-04 19:53:07 +01:00
Linus Torvalds
5f16eb0549 Char/Misc and other driver subsystem changes for 6.10-rc1
Here is the big set of char/misc and other driver subsystem updates for
 6.10-rc1.  Nothing major here, just lots of new drivers and updates for
 apis and new hardware types.  Included in here are:
   - big IIO driver updates with more devices and drivers added
   - fpga driver updates
   - hyper-v driver updates
   - uio_pruss driver removal, no one uses it, other drivers control the
     same hardware now
   - binder minor updates
   - mhi driver updates
   - excon driver updates
   - counter driver updates
   - accessability driver updates
   - coresight driver updates
   - other hwtracing driver updates
   - nvmem driver updates
   - slimbus driver updates
   - spmi driver updates
   - other smaller misc and char driver updates
 
 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 'char-misc-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc and other driver subsystem updates from Greg KH:
 "Here is the big set of char/misc and other driver subsystem updates
  for 6.10-rc1. Nothing major here, just lots of new drivers and updates
  for apis and new hardware types. Included in here are:

   - big IIO driver updates with more devices and drivers added

   - fpga driver updates

   - hyper-v driver updates

   - uio_pruss driver removal, no one uses it, other drivers control the
     same hardware now

   - binder minor updates

   - mhi driver updates

   - excon driver updates

   - counter driver updates

   - accessability driver updates

   - coresight driver updates

   - other hwtracing driver updates

   - nvmem driver updates

   - slimbus driver updates

   - spmi driver updates

   - other smaller misc and char driver updates

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

* tag 'char-misc-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (319 commits)
  misc: ntsync: mark driver as "broken" to prevent from building
  spmi: pmic-arb: Add multi bus support
  spmi: pmic-arb: Register controller for bus instead of arbiter
  spmi: pmic-arb: Make core resources acquiring a version operation
  spmi: pmic-arb: Make the APID init a version operation
  spmi: pmic-arb: Fix some compile warnings about members not being described
  dt-bindings: spmi: Deprecate qcom,bus-id
  dt-bindings: spmi: Add X1E80100 SPMI PMIC ARB schema
  spmi: pmic-arb: Replace three IS_ERR() calls by null pointer checks in spmi_pmic_arb_probe()
  spmi: hisi-spmi-controller: Do not override device identifier
  dt-bindings: spmi: hisilicon,hisi-spmi-controller: clean up example
  dt-bindings: spmi: hisilicon,hisi-spmi-controller: fix binding references
  spmi: make spmi_bus_type const
  extcon: adc-jack: Document missing struct members
  extcon: realtek: Remove unused of_gpio.h
  extcon: usbc-cros-ec: Convert to platform remove callback returning void
  extcon: usb-gpio: Convert to platform remove callback returning void
  extcon: max77843: Convert to platform remove callback returning void
  extcon: max3355: Convert to platform remove callback returning void
  extcon: intel-mrfld: Convert to platform remove callback returning void
  ...
2024-05-22 12:26:46 -07:00
David Lechner
2f4bb1fa75
iio: frequency: admv1013: Use devm_regulator_get_enable_read_voltage()
We can reduce boilerplate code by using
devm_regulator_get_enable_read_voltage().

The common mode voltage is now passed as a parameter in the init
functions so we can avoid adding a state member that is only used
during init.

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://lore.kernel.org/r/20240429-regulator-get-enable-get-votlage-v2-5-b1f11ab766c1@baylibre.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-05-07 10:31:50 +09:00
Jonathan Cameron
de4eefe8f1 iio: frequency: admfm2000: Use device_for_each_child_node_scoped() to simplify error paths.
This loop definition automatically release the fwnode_handle on early exit
simplifying error handling paths.

Cc: Kim Seer Paller <kimseer.paller@analog.com>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240330190849.1321065-7-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-04-06 11:29:06 +01:00
Kim Seer Paller
5659785a32 iio: frequency: admfm2000: New driver
Dual microwave down converter module with input RF and LO frequency
ranges from 0.5 to 32 GHz and an output IF frequency range from 0.1 to
8 GHz. It consists of a LNA, mixer, IF filter, DSA, and IF amplifier
for each down conversion path.

Signed-off-by: Kim Seer Paller <kimseer.paller@analog.com>
Link: https://lore.kernel.org/r/20240123081059.5746-2-kimseer.paller@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-02-17 16:16:10 +00:00
Andy Shevchenko
f993267a72 iio: frequency: admv1014: Switch to device_property_match_property_string()
Replace open coded device_property_match_property_string().

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20230808162800.61651-5-andriy.shevchenko@linux.intel.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2023-11-16 19:10:26 +00:00