Merge tag 'iio-for-5.17b' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-next

Jonathan writes:

2nd set of new device support etc for IIO in the 5.17 cycle.

A small additional set of things that just missed the previous
pull request and have mostly been through plenty of review before the
holiday period began (or are trivial).  I've not taken some other series
on the list to allow for more eyes after the holiday period.

New device support
* adi,admv1013
  - New driver for this wideband microwave upconverter including dt-bindings
    and some device specific ABI due to the need to describe phase calibrations
    of a differential channel on both i and q phases. Previously we could
    do differential or i/q but not both on the same channel. The driver
    ABI uses a workaround for core support which will do until we know if
    this is a common requirement for which a more generic solution is
    needed.

MAINTAINERS:
* Add Haibo Chen as a maintainer for various NXP SoC ADCs.

Minor cleanup:
* sunrise_co2
  - Make sure an uninitialized value isn't used to set *val in read_raw().
    Not a real bug, but a compiler or reviewer can't tell that based
    on what they can see locally.

* tag 'iio-for-5.17b' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio:
  iio: chemical: sunrise_co2: set val parameter only on success
  dt-bindings:iio:adc: update the maintainer of vf610-adc
  MAINTAINERS: add imx7d/imx6sx/imx6ul/imx8qxp and vf610 adc maintainer
  Documentation:ABI:testing:admv1013: add ABI docs
  dt-bindings: iio: frequency: add admv1013 doc
  iio: frequency: admv1013: add support for ADMV1013

Documentation/ABI/testing/sysfs-bus-iio-frequency-admv1013

@@ -0,0 +1,38 @@
+What:		/sys/bus/iio/devices/iio:deviceX/in_altvoltage0-1_i_calibphase
+KernelVersion:
+Contact:	linux-iio@vger.kernel.org
+Description:
+		Read/write unscaled value for the Local Oscillatior path quadrature I phase shift.
+
+What:		/sys/bus/iio/devices/iio:deviceX/in_altvoltage0-1_q_calibphase
+KernelVersion:
+Contact:	linux-iio@vger.kernel.org
+Description:
+		Read/write unscaled value for the Local Oscillatior path quadrature Q phase shift.
+
+What:		/sys/bus/iio/devices/iio:deviceX/in_altvoltage0_i_calibbias
+KernelVersion:
+Contact:	linux-iio@vger.kernel.org
+Description:
+		Read/write value for the Local Oscillatior Feedthrough Offset Calibration I Positive
+		side.
+
+What:		/sys/bus/iio/devices/iio:deviceX/in_altvoltage0_q_calibbias
+KernelVersion:
+Contact:	linux-iio@vger.kernel.org
+Description:
+		Read/write value for the Local Oscillatior Feedthrough Offset Calibration Q Positive side.
+
+What:		/sys/bus/iio/devices/iio:deviceX/in_altvoltage1_i_calibbias
+KernelVersion:
+Contact:	linux-iio@vger.kernel.org
+Description:
+		Read/write raw value for the Local Oscillatior Feedthrough Offset Calibration I Negative
+		side.
+
+What:		/sys/bus/iio/devices/iio:deviceX/in_altvoltage1_q_calibbias
+KernelVersion:
+Contact:	linux-iio@vger.kernel.org
+Description:
+		Read/write raw value for the Local Oscillatior Feedthrough Offset Calibration Q Negative
+		side.

Documentation/devicetree/bindings/iio/adc/fsl,vf610-adc.yaml

@@ -7,7 +7,7 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
 title: ADC found on Freescale vf610 and similar SoCs
 
 maintainers:
-  - Fugang Duan <fugang.duan@nxp.com>
+  - Haibo Chen <haibo.chen@nxp.com>
 
 description:
   ADCs found on vf610/i.MX6slx and upward SoCs from Freescale.

Documentation/devicetree/bindings/iio/frequency/adi,admv1013.yaml

@@ -0,0 +1,91 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/frequency/adi,admv1013.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ADMV1013 Microwave Upconverter
+
+maintainers:
+  - Antoniu Miclaus <antoniu.miclaus@analog.com>
+
+description: |
+   Wideband, microwave upconverter optimized for point to point microwave
+   radio designs operating in the 24 GHz to 44 GHz frequency range.
+
+   https://www.analog.com/en/products/admv1013.html
+
+properties:
+  compatible:
+    enum:
+      - adi,admv1013
+
+  reg:
+    maxItems: 1
+
+  spi-max-frequency:
+    maximum: 1000000
+
+  clocks:
+    description:
+      Definition of the external clock.
+    minItems: 1
+
+  clock-names:
+    items:
+      - const: lo_in
+
+  vcm-supply:
+    description:
+      Analog voltage regulator.
+
+  adi,detector-enable:
+    description:
+      Enable the Envelope Detector available at output pins VENV_P and
+      VENV_N. Disable to reduce power consumption.
+    type: boolean
+
+  adi,input-mode:
+    description:
+      Select the input mode.
+      iq - in-phase quadrature (I/Q) input
+      if - complex intermediate frequency (IF) input
+    enum: [iq, if]
+
+  adi,quad-se-mode:
+    description:
+      Switch the LO path from differential to single-ended operation.
+      se-neg - Single-Ended Mode, Negative Side Disabled.
+      se-pos - Single-Ended Mode, Positive Side Disabled.
+      diff - Differential Mode.
+    enum: [se-neg, se-pos, diff]
+
+  '#clock-cells':
+    const: 0
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - vcm-supply
+
+additionalProperties: false
+
+examples:
+  - |
+    spi {
+      #address-cells = <1>;
+      #size-cells = <0>;
+      admv1013@0{
+        compatible = "adi,admv1013";
+        reg = <0>;
+        spi-max-frequency = <1000000>;
+        clocks = <&admv1013_lo>;
+        clock-names = "lo_in";
+        vcm-supply = <&vcm>;
+        adi,quad-se-mode = "diff";
+        adi,detector-enable;
+      };
+    };
+...