linux-kernel - [PATCH v3 0/2] AD4130

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Message-Id: <20220419150828.191933-1-cosmin.tanislav@analog.com>
Date:   Tue, 19 Apr 2022 18:08:26 +0300
From:   Cosmin Tanislav <demonsingur@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Jonathan Cameron <jic23@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-iio@...r.kernel.org, linux-gpio@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        Cosmin Tanislav <cosmin.tanislav@...log.com>
Subject: [PATCH v3 0/2] AD4130

AD4130-8 is an ultra-low power, high precision, measurement solution for
low bandwidth battery operated applications.

The fully integrated AFE (Analog Front-End) includes a multiplexer for up
to 16 single-ended or 8 differential inputs, PGA (Programmable Gain
Amplifier), 24-bit Sigma-Delta ADC, on-chip reference and oscillator,
selectable filter options, smart sequencer, sensor biasing and excitation
options, diagnostics, and a FIFO buffer.

V1 -> V2
 * add kernel version to ABI file
 * merge ABI patch into driver patch
 * make copyright header similar to other drivers
 * rearrange includes
 * use units.h defines where possible and add unit sufix to
   SOFT_RESET_SLEEP define
 * remove ending comma to last members of enums / lists
 * remove unused FILTER_MAX define
 * use BIT macro for PIN_FN_*
 * rearrange SETUP_SIZE definition
 * group bools in ad4130_state and ad4130_chan_info
 * put scale_tbls definition on one line
 * remove newline before reg size == 0 check
 * put mask used as value in a variable
 * remove useless ret = 0 assignment
 * make buffer attrs oneline
 * use for_each_set_bit in update_scan_mode
 * use if else for internal reference voltage error checking
 * inline reference voltage check
 * check number of vbias pins
 * remove .has_int_pin = false
 * remove avail_len for IIO_AVAIL_RANGE
 * remove useless enabled_channels check in unlink_slot
 * remove unused AD4130_RESET_CLK_COUNT define
 * only call fwnode_handle_put for child in case of error
 * default adi,reference-select to REFIN1
 * default adi,int-ref-en to false
 * of_irq_get_byname -> fwnode_irq_get_byname
 * P1 -> P2 as interrupt pin options
 * add missing comma in db3_freq_avail init
 * cast values to u64 to make math using units.h work
 * add datasheet reference to IRQ polarity
 * add comment about disabling channels in predisable
 * add part number prefix find_table_index
 * return voltage from get_ref_voltage
 * add datasheet reference for internal reference voltage selection
 * add comment explaining AIN and GPIO pin sharing
 * parse channel setup before parsing excitation pins
 * only validate excitation pin if value is not off
 * use FIELD_PREP for bipolar and int_ref_en
 * put devm_regmap_init call on one line
 * introduce a slot_info struct to contain setup_info for each slot
 * enable internal reference automatically if needed
 * decide mclk sel based on adi,ext-clk-freq and adi,int-clk-out
 * dt-bindings: use internal reference explicitly
 * dt-bindings: set type for adi,excitation-pin-0
 * dt-bindings: set $ref for adi,vbias-pins
 * dt-bindings: remove minItems from interrupts property
 * dt-bindings: remove adi,int-ref-en default value
 * dt-bindings: remove adi,bipolar default value
 * dt-bindings: inline adi,int-ref-en description
 * dt-bindings: default adi,reference-select to REFIN1
 * dt-bindings: clean up description for diff-channels and
   adi,reference-select
 * dt-bindings: add more text to interrupt-names description
 * dt-bindings: turn interrupt-names into a single string
 * dt-bindings: add maxItems to adi,vbias-pins

V2 -> V3
 * dt-bindings: add interrupt controller include to example
 * dt-bindings: remove $ref in diff-channels

Cosmin Tanislav (2):
  dt-bindings: iio: adc: add AD4130
  iio: adc: ad4130: add AD4130 driver

 .../ABI/testing/sysfs-bus-iio-adc-ad4130      |   36 +
 .../bindings/iio/adc/adi,ad4130.yaml          |  264 +++
 MAINTAINERS                                   |    8 +
 drivers/iio/adc/Kconfig                       |   13 +
 drivers/iio/adc/Makefile                      |    1 +
 drivers/iio/adc/ad4130.c                      | 2078 +++++++++++++++++
 6 files changed, 2400 insertions(+)
 create mode 100644 Documentation/ABI/testing/sysfs-bus-iio-adc-ad4130
 create mode 100644 Documentation/devicetree/bindings/iio/adc/adi,ad4130.yaml
 create mode 100644 drivers/iio/adc/ad4130.c

-- 
2.35.3