Merge tag 'iio-for-5.11a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next

Jonathan writes:

First set of new device support, features and cleanups for IIO in the 5.11 cycle

Usual mixed bag of new drivers / device support + cleanups etc with the
addition of a fairly big set of yaml conversions.

Txt to yaml format conversions.
In some cases dropped separate binding and moved to trivial devices (drop).

Listed by manufacturer
  - dht11 temperature(drop)
  - adi,ad2s90 adi,ad5272 adi,ad5592r adi,ad5758 adi,ad5933 adi,ad7303
    adi,adis16480 adi,adf4350
  - ams,as3935
  - asahi-kasei,ak8974
  - atmel,sama5d2-adc
  - avago,apds9300 avago,apds9960
  - bosch,bma180 bosch,bmc150_magn bosch,bme680 bosch,bmg180
  - brcm,iproc-static-adc
  - capella,cm36651
  - domintech,dmard06(drop)
  - fsl,mag3110 fsl,mma8452 fsl,vf610-dac
  - hoperf,hp03
  - honeywell,hmc5843
  - kionix,kxcjk1013
  - maxim,ds1803(drop) maxim,ds4424 maxim,max30100 maxim,max30102
    maxim,max31856 maxim,max31855k maxim,max44009
    maxim,max5481 maxim,max5821
  - meas,htu21(drop) meas,ms5367(drop) meas,ms5611 meas,tsys01(drop)
  - mediatek,mt2701-auxadc
  - melexis,mlx90614 melexis,mlx90632
  - memsic,mmc35240(drop)
  - microchip,mcp41010 microchip,mcp4131 microchip,mcp4725
  - murata,zap2326
  - nxp,fxas21002c nxp,lpc1850-dac
  - pni,rm3100
  - qcom,pm8018-adc qcom,spmi-iadc
  - renesas,isl29501 renesas,rcar-gyroadc
  - samsung,sensorhub-rinato
  - sensiron,sgp30
  - sentech,sx9500
  - sharp,gp2ap020a00f
  - st,hts221 st,lsm6dsx st,st-sensors(many!) st,uvis25 st,vcl53l0x st,vl6180
  - ti,adc084s021 ti,ads124s08
    ti,dac5571 ti,dac7311 ti,dac7512 ti,dac7612
    ti,hdc1000(drop) ti,palmas-gpadc ti,opt3001 ti,tmp07
  - upisemi,us51882
  - vishay,vcnl4035
  - x-powers,axp209

New device support
* adi,ad5685
  - Add support for AD5338R dual output 10-bit DAC
  - Add DT-binding doc.
* mediatek,mt6360
  - New driver for this SoC ADC with bindings and using new channel label
    support in the IIO core.
* st,lsm6dsx
  - Add support for LSM6DST

Core:
* Add "label" to device channels, provided via a new core callback. Including
  DT docs for when that is the source, and ABI docs.
* Add devm_iio_triggered_buffer_setup_ext to take extra attributes.
* dmaengine, unwrap use of iio_buffer_set_attrs()
* Drop iio_buffer_set_attrs()
* Centralize ioctl call handling. Later fix to ensure -EINVAL returned if
  no handler has run.
* Fix an issue with IIO_VAL_FRACTIONAL and negative values - doesn't affect
  any known existing drivers, but will impact a future one.
* kernel-doc fix in trigger.h
* file-ops ordering cleanup

Features
* semtech,sx9310
  - Add control of hardware gain, proximity thresholds, hysteresis and
    debounce.
  - Increase what information on hardware configuration can be provided
    via DT.

Cleanup and minor features
* adi,ad5685
  - Add of_match_table
* adi,ad7292
  - Drop pointless spi_set_drvdata() call
* adi,ad7298
  - Drop platform data and tidy up external reference config.
* adi,ad7303
  - Drop platform data handling as unused.
* adi,ad7768
  - Add new label attribute for channels provided from dt.
* adi,ad7887
  - devm_ usage in probe simplifying remove and error handling.
* adi,adis16201
  - Drop pointless spi_set_drvdata() call
* adi,adis16209
  - Drop pointless spi_set_drvdata() call
* adi,adis16240
  - White space fixup
* adi,adxl372
  - use new devm_iio_triggered-buffer_setup_ext()
* amlogic,meson-saradc
  - Drop pointless semicolon.
* amstaos,tsl2563
  - Put back i2c_device_id table as needed for greybus probing.
* atmel,at91_adc
  - Use of_device_get_match_data() instead of open coding it.
  - Constify some driver data
  - Add KCONFIG dep on CONFIG_OF and drop of_match_ptr()
  - Drop platform data as mostly dead code.
  - Tidy up reference voltage logic
* atmel-sama5d2
  - Drop a pointless semicolon
  - Merge buffer and trigger init into a separate function
  - Use new devm_iio_triggered_buff_setup_ext()
* avago,apds9960
  - Drop a pointless semicolon
* bosch,bmc150
  - Drop a pointless semicolon
  - Use new iio_triggered_buffer_setup_ext()
* bosch,bmp280
  - Drop a pointless semicolon
* fsl,mma8452
  - Constification
* (google),cros_ec
  - Use new devm_iio_triggered_buffer_setup_ext()
* hid-sensors
  - Use new iio_triggered_buffer_setup_ext()
* ingenic,adc
  - Drop a pointless semicolon
* invensense,icm426xx
  - Fix MAINTAINERS entry missing :
* mediatek,mt6577_audxac
  - Add binding doc for mt8516 compatible with mt8173
* motorola,cpcap-adc
  - Fix an implicit fallthrough marking that clang needs to avoid warning.
* samsung,exynos-adc
  - Stop relying on users counter form input device in ISR.
* st,lsm6dsx
  - add vdd and vddio regulator control (including binding update)
* st,stm32-adc
  - Tidy up code for dma transfers.
  - Adapt clock duty cycle for proper functioning. Note no known problems
    with existing boards.
* st,vl53l0x-i2c
  - Put back i2c_device_id table as needed for greybus probing.
* vishay,vcnl4035
  - Put back i2c_device_id table as needed for greybus probing.

* tag 'iio-for-5.11a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (126 commits)
  dt-bindings:iio:adc:x-powers,axp209-adc: txt to yaml conversion
  dt-bindings:iio:adc:renesas,rcar-gyroadc: txt to yaml conversion.
  dt-bindings:iio:adc:atmel,sama5d2-adc: txt to yaml conversion
  dt-bindings:iio:magnetometer:pni,rm3100: txt to yaml conversion.
  dt-bindings:iio:magnetometer:honeywell,hmc5843: txt to yaml format conversion
  dt-bindings:iio:magnetometer:bosch,bmc150_magn: txt to yaml conversion.
  dt-bindings:iio:magnetometer:asahi-kasei,ak8974: txt to yaml format conversion
  dt-bindings:iio:magnetometer:fsl,mag3110: txt to yaml conversion
  dt-bindings:iio:light:st,vl6180: txt to yaml format conversion.
  dt-bindings:iio:light:vishay,vcnl4035: txt to yaml conversion
  dt-bindings:iio:light:st,uvis25: txt to yaml conversion for this UV sensor
  dt-bindings:iio:light:upisemi,us51882: txt to yaml conversion.
  dt-bindings:iio:light:ti,opt3001: txt to yaml conversion
  dt-bindings:iio:light:maxim,max44009: txt to yaml conversion.
  dt-bindings:iio:light:sharp,gp2ap020a00f: txt to yaml conversion.
  dt-bindings:iio:light:capella,cm36651: txt to yaml conversion.
  dt-bindings:iio:light:avago,apds9960: txt to yaml conversion
  dt-bindings:iio:light:avago,apds9300: txt to yaml conversion.
  dt-bindings:iio:imu:st,lsm6dsx: txt to yaml conversion
  dt-bindings:iio:imu:adi,adis16480: txt to yaml conversion
  ...

23 files changed, 705 insertions, 309 deletions

diff --git a/Documentation/devicetree/bindings/iio/dac/ad5758.txt b/Documentation/devicetree/bindings/iio/dac/ad5758.txt
deleted file mode 100644
index 2f607f41f9d3..000000000000
--- a/Documentation/devicetree/bindings/iio/dac/ad5758.txt
+++ /dev/null
@@ -1,83 +0,0 @@
-Analog Devices AD5758 DAC device driver
-
-Required properties for the AD5758:
-	- compatible: Must be "adi,ad5758"
-	- reg: SPI chip select number for the device
-	- spi-max-frequency: Max SPI frequency to use (< 50000000)
-	- spi-cpha: is the only mode that is supported
-
-Required properties:
-
- - adi,dc-dc-mode: Mode of operation of the dc-to-dc converter
-		   Dynamic Power Control (DPC)
-		   In this mode, the AD5758 circuitry senses the output
-		   voltage and dynamically regulates the supply voltage,
-		   VDPC+, to meet compliance requirements plus an optimized
-		   headroom voltage for the output buffer.
-
-		   Programmable Power Control (PPC)
-		   In this mode, the VDPC+ voltage is user-programmable to
-		   a fixed level that needs to accommodate the maximum output
-		   load required.
-
-		   The output of the DAC core is either converted to a
-		   current or voltage output at the VIOUT pin. Only one mode
-		   can be enabled at any one time.
-
-		   The following values are currently supported:
-			* 1: DPC current mode
-			* 2: DPC voltage mode
-			* 3: PPC current mode
-
- Depending on the selected output mode (voltage or current) one of the
- two properties must
- be present:
-
- - adi,range-microvolt: Voltage output range
-		The array of voltage output ranges must contain two fields:
-		* <0 5000000>: 0 V to 5 V voltage range
-		* <0 10000000>: 0 V to 10 V voltage range
-		* <(-5000000) 5000000>: ±5 V voltage range
-		* <(-10000000) 10000000>: ±10 V voltage range
- - adi,range-microamp: Current output range
-		The array of current output ranges must contain two fields:
-		* <0 20000>: 0 mA to 20 mA current range
-		* <0 24000>: 0 mA to 24 mA current range
-		* <4 24000>: 4 mA to 20 mA current range
-		* <(-20000) 20000>: ±20 mA current range
-		* <(-24000) 24000>: ±24 mA current range
-		* <(-1000) 22000>: −1 mA to +22 mA current range
-
-Optional properties:
-
- - reset-gpios : GPIO spec for the RESET pin. If specified, it will be
-		 asserted during driver probe.
-
- - adi,dc-dc-ilim-microamp: The dc-to-dc converter current limit
-		   The following values are currently supported [uA]:
-			* 150000
-			* 200000
-			* 250000
-			* 300000
-			* 350000
-			* 400000
-
- - adi,slew-time-us: The time it takes for the output to reach the
- full scale [uS]
-		     The supported range is between 133us up to 1023984375us
-
-AD5758 Example:
-
-	dac@0 {
-		compatible = "adi,ad5758";
-		reg = <0>;
-		spi-max-frequency = <1000000>;
-		spi-cpha;
-
-		reset-gpios = <&gpio 22 0>;
-
-		adi,dc-dc-mode = <2>;
-		adi,range-microvolt = <0 10000000>;
-		adi,dc-dc-ilim-microamp = <200000>;
-		adi,slew-time-us = <125000>;
-	};
diff --git a/Documentation/devicetree/bindings/iio/dac/ad7303.txt b/Documentation/devicetree/bindings/iio/dac/ad7303.txt
deleted file mode 100644
index 914610f0556e..000000000000
--- a/Documentation/devicetree/bindings/iio/dac/ad7303.txt
+++ /dev/null
@@ -1,23 +0,0 @@
-Analog Devices AD7303 DAC device driver
-
-Required properties:
-	- compatible: Must be "adi,ad7303"
-	- reg: SPI chip select number for the device
-	- spi-max-frequency: Max SPI frequency to use (< 30000000)
-	- Vdd-supply: Phandle to the Vdd power supply
-
-Optional properties:
-	- REF-supply: Phandle to the external reference voltage supply. This should
-	  only be set if there is an external reference voltage connected to the REF
-	  pin. If the property is not set Vdd/2 is used as the reference voltage.
-
-Example:
-
-		ad7303@4 {
-			compatible = "adi,ad7303";
-			reg = <4>;
-			spi-max-frequency = <10000000>;
-			Vdd-supply = <&vdd_supply>;
-			adi,use-external-reference;
-			REF-supply = <&vref_supply>;
-		};
diff --git a/Documentation/devicetree/bindings/iio/dac/adi,ad5686.yaml b/Documentation/devicetree/bindings/iio/dac/adi,ad5686.yaml
new file mode 100644
index 000000000000..8065228e5df8
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/dac/adi,ad5686.yaml
@@ -0,0 +1,57 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/dac/adi,ad5686.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analog Devices AD5686 and similar multi-channel DACs
+
+maintainers:
+  - Michael Auchter <michael.auchter@ni.com>
+
+description: |
+  Binding for Analog Devices AD5686 and similar multi-channel DACs
+
+properties:
+  compatible:
+    enum:
+      - adi,ad5311r
+      - adi,ad5338r
+      - adi,ad5671r
+      - adi,ad5675r
+      - adi,ad5691r
+      - adi,ad5692r
+      - adi,ad5693
+      - adi,ad5693r
+      - adi,ad5694
+      - adi,ad5694r
+      - adi,ad5695r
+      - adi,ad5696
+      - adi,ad5696r
+
+  reg:
+    maxItems: 1
+
+  vcc-supply:
+    description: |
+      The regulator supply for DAC reference voltage.
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      ad5686: dac@0 {
+        compatible = "adi,ad5686";
+        reg = <0>;
+        vcc-supply = <&dac_vref>;
+      };
+    };
+...
diff --git a/Documentation/devicetree/bindings/iio/dac/adi,ad5758.yaml b/Documentation/devicetree/bindings/iio/dac/adi,ad5758.yaml
new file mode 100644
index 000000000000..626ccb6fe21e
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/dac/adi,ad5758.yaml
@@ -0,0 +1,129 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/dac/adi,ad5758.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analog Devices AD5758 DAC
+
+maintainers:
+  - Michael Hennerich <Michael.Hennerich@analog.com>
+
+properties:
+  compatible:
+    const: adi,ad5758
+
+  reg:
+    maxItems: 1
+
+  spi-max-frequency: true
+  spi-cpha: true
+
+  adi,dc-dc-mode:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [1, 2, 3]
+    description: |
+      Mode of operation of the dc-to-dc converter
+      Dynamic Power Control (DPC)
+      In this mode, the AD5758 circuitry senses the output voltage and
+      dynamically regulates the supply voltage, VDPC+, to meet compliance
+      requirements plus an optimized headroom voltage for the output buffer.
+
+      Programmable Power Control (PPC)
+      In this mode, the VDPC+ voltage is user-programmable to a fixed level
+      that needs to accommodate the maximum output load required.
+
+      The output of the DAC core is either converted to a current or
+      voltage output at the VIOUT pin. Only one mode can be enabled at
+      any one time.
+
+      The following values are currently supported:
+      * 1: DPC current mode
+      * 2: DPC voltage mode
+      * 3: PPC current mode
+
+      Depending on the selected output mode (voltage or current) one of the
+      two properties must be present:
+
+  adi,range-microvolt:
+    $ref: /schemas/types.yaml#/definitions/int32-array
+    description: |
+      Voltage output range specified as <minimum, maximum>
+    enum:
+      - [[0, 5000000]]
+      - [[0, 10000000]]
+      - [[-5000000, 5000000]]
+      - [[-10000000, 10000000]]
+
+  adi,range-microamp:
+    $ref: /schemas/types.yaml#/definitions/int32-array
+    description: |
+      Current output range specified as <minimum, maximum>
+    enum:
+      - [[0, 20000]]
+      - [[0, 24000]]
+      - [[4, 24000]]
+      - [[-20000, 20000]]
+      - [[-24000, 24000]]
+      - [[-1000, 22000]]
+
+  reset-gpios: true
+
+  adi,dc-dc-ilim-microamp:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [150000, 200000, 250000, 300000, 350000, 400000]
+    description: |
+      The dc-to-dc converter current limit.
+
+  adi,slew-time-us:
+    description: |
+      The time it takes for the output to reach the full scale [uS]
+    minimum: 133
+    maximum: 1023984375
+
+required:
+  - compatible
+  - reg
+  - spi-cpha
+  - adi,dc-dc-mode
+
+allOf:
+  - if:
+      properties:
+        adi,dc-dc-mode:
+          contains:
+            enum: [1, 3]
+    then:
+      properties:
+        adi,range-microvolt: false
+      required:
+        - adi,range-microamp
+    else:
+      properties:
+        adi,range-microamp: false
+      required:
+        - adi,range-microvolt
+
+additionalProperties: false
+
+examples:
+  - |
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        dac@0 {
+            compatible = "adi,ad5758";
+            reg = <0>;
+            spi-max-frequency = <1000000>;
+            spi-cpha;
+
+            reset-gpios = <&gpio 22 0>;
+
+            adi,dc-dc-mode = <2>;
+            adi,range-microvolt = <0 10000000>;
+            adi,dc-dc-ilim-microamp = <200000>;
+            adi,slew-time-us = <125000>;
+        };
+    };
+...
diff --git a/Documentation/devicetree/bindings/iio/dac/adi,ad7303.yaml b/Documentation/devicetree/bindings/iio/dac/adi,ad7303.yaml
new file mode 100644
index 000000000000..1f0037152095
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/dac/adi,ad7303.yaml
@@ -0,0 +1,50 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/dac/adi,ad7303.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analog Devices AD7303 DAC
+
+maintainers:
+  - Lars-Peter Clausen <lars@metafoo.de>
+
+properties:
+  compatible:
+    const: adi,ad7303
+
+  reg:
+    maxItems: 1
+
+  Vdd-supply:
+    description:
+      Used to calculate output channel scalling if REF-supply not specified.
+  REF-supply:
+    description:
+      If not provided, Vdd/2 is used as the reference voltage.
+
+  spi-max-frequency:
+    maximum: 30000000
+
+required:
+  - compatible
+  - reg
+  - Vdd-supply
+
+additionalProperties: false
+
+examples:
+  - |
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        dac@4 {
+            compatible = "adi,ad7303";
+            reg = <4>;
+            spi-max-frequency = <10000000>;
+            Vdd-supply = <&vdd_supply>;
+            REF-supply = <&vref_supply>;
+        };
+    };
+...
diff --git a/Documentation/devicetree/bindings/iio/dac/ds4424.txt b/Documentation/devicetree/bindings/iio/dac/ds4424.txt
deleted file mode 100644
index eaebbf8dab40..000000000000
--- a/Documentation/devicetree/bindings/iio/dac/ds4424.txt
+++ /dev/null
@@ -1,20 +0,0 @@
-Maxim Integrated DS4422/DS4424 7-bit Sink/Source Current DAC Device Driver
-
-Datasheet publicly available at:
-https://datasheets.maximintegrated.com/en/ds/DS4422-DS4424.pdf
-
-Required properties:
-	- compatible: Should be one of
-		maxim,ds4422
-		maxim,ds4424
-	- reg: Should contain the DAC I2C address
-
-Optional properties:
-	- vcc-supply: Power supply is optional. If not defined, driver will ignore it.
-
-Example:
-	ds4224@10 {
-		compatible = "maxim,ds4424";
-		reg = <0x10>; /* When A0, A1 pins are ground */
-		vcc-supply = <&vcc_3v3>;
-	};
diff --git a/Documentation/devicetree/bindings/iio/dac/fsl,vf610-dac.yaml b/Documentation/devicetree/bindings/iio/dac/fsl,vf610-dac.yaml
new file mode 100644
index 000000000000..999c715c6179
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/dac/fsl,vf610-dac.yaml
@@ -0,0 +1,55 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/dac/fsl,vf610-dac.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Freescale vf610 Digital to Analog Converter
+
+maintainers:
+  - Sanchayan Maity <maitysanchayan@gmail.com>
+
+properties:
+  compatible:
+    const: fsl,vf610-dac
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    const: dac
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/clock/vf610-clock.h>
+    bus@40000000 {
+        compatible = "fsl,aips-bus", "simple-bus";
+        reg = <0x40000000 0x00070000>;
+        ranges;
+        #address-cells = <1>;
+        #size-cells = <1>;
+        dac@400cc000 {
+            compatible = "fsl,vf610-dac";
+            reg = <0x400cc000 0x1000>;
+            interrupts = <55 IRQ_TYPE_LEVEL_HIGH>;
+            clock-names = "dac";
+            clocks = <&clks VF610_CLK_DAC0>;
+        };
+    };
+...
diff --git a/Documentation/devicetree/bindings/iio/dac/lpc1850-dac.txt b/Documentation/devicetree/bindings/iio/dac/lpc1850-dac.txt
deleted file mode 100644
index 42db783c4e75..000000000000
--- a/Documentation/devicetree/bindings/iio/dac/lpc1850-dac.txt
+++ /dev/null
@@ -1,19 +0,0 @@
-NXP LPC1850 DAC bindings
-
-Required properties:
-- compatible: Should be "nxp,lpc1850-dac"
-- reg: Offset and length of the register set for the ADC device
-- interrupts: The interrupt number for the ADC device
-- clocks: The root clock of the ADC controller
-- vref-supply: The regulator supply ADC reference voltage
-- resets: phandle to reset controller and line specifier
-
-Example:
-dac: dac@400e1000 {
-	compatible = "nxp,lpc1850-dac";
-	reg = <0x400e1000 0x1000>;
-	interrupts = <0>;
-	clocks = <&ccu1 CLK_APB3_DAC>;
-	vref-supply = <&reg_vdda>;
-	resets = <&rgu 42>;
-};
diff --git a/Documentation/devicetree/bindings/iio/dac/max5821.txt b/Documentation/devicetree/bindings/iio/dac/max5821.txt
deleted file mode 100644
index 54276ce8c971..000000000000
--- a/Documentation/devicetree/bindings/iio/dac/max5821.txt
+++ /dev/null
@@ -1,14 +0,0 @@
-Maxim max5821 DAC device driver
-
-Required properties:
-	- compatible: Must be "maxim,max5821"
-	- reg: Should contain the DAC I2C address
-	- vref-supply: Phandle to the vref power supply
-
-Example:
-
-	max5821@38 {
-		compatible = "maxim,max5821";
-		reg = <0x38>;
-		vref-supply = <&reg_max5821>;
-	};
diff --git a/Documentation/devicetree/bindings/iio/dac/maxim,ds4424.yaml b/Documentation/devicetree/bindings/iio/dac/maxim,ds4424.yaml
new file mode 100644
index 000000000000..264fa7c5fe3a
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/dac/maxim,ds4424.yaml
@@ -0,0 +1,45 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/dac/maxim,ds4424.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Maxim Integrated DS4422/DS4424 7-bit Sink/Source Current DAC
+
+maintainers:
+  - Ismail Kose <ihkose@gmail.com>
+
+description: |
+  Datasheet publicly available at:
+  https://datasheets.maximintegrated.com/en/ds/DS4422-DS4424.pdf
+
+properties:
+  compatible:
+    enum:
+      - maxim,ds4422
+      - maxim,ds4424
+
+  reg:
+    maxItems: 1
+
+  vcc-supply: true
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        dac@10 {
+            compatible = "maxim,ds4424";
+            reg = <0x10>; /* When A0, A1 pins are ground */
+            vcc-supply = <&vcc_3v3>;
+        };
+    };
+...
diff --git a/Documentation/devicetree/bindings/iio/dac/maxim,max5821.yaml b/Documentation/devicetree/bindings/iio/dac/maxim,max5821.yaml
new file mode 100644
index 000000000000..c43fb5f3f8ac
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/dac/maxim,max5821.yaml
@@ -0,0 +1,44 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/dac/maxim,max5821.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Maxim max5821 dual 10-bit DAC
+
+maintainers:
+  - Philippe Reynes <tremyfr@yahoo.fr>
+
+description: |
+  Datasheet publicly available at:
+  https://datasheets.maximintegrated.com/en/ds/MAX5821.pdf
+
+properties:
+  compatible:
+    const: maxim,max5821
+
+  reg:
+    maxItems: 1
+
+  vref-supply: true
+
+required:
+  - compatible
+  - reg
+  - vref-supply
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        dac@38 {
+            compatible = "maxim,max5821";
+            reg = <0x38>;
+            vref-supply = <&reg_max5821>;
+        };
+    };
+...
diff --git a/Documentation/devicetree/bindings/iio/dac/mcp4725.txt b/Documentation/devicetree/bindings/iio/dac/mcp4725.txt
deleted file mode 100644
index 1bc6c093fbfe..000000000000
--- a/Documentation/devicetree/bindings/iio/dac/mcp4725.txt
+++ /dev/null
@@ -1,35 +0,0 @@
-Microchip mcp4725 and mcp4726 DAC device driver
-
-Required properties:
-	- compatible: Must be "microchip,mcp4725" or "microchip,mcp4726"
-	- reg: Should contain the DAC I2C address
-	- vdd-supply: Phandle to the Vdd power supply. This supply is used as a
-	  voltage reference on mcp4725. It is used as a voltage reference on
-	  mcp4726 if there is no vref-supply specified.
-
-Optional properties (valid only for mcp4726):
-	- vref-supply: Optional phandle to the Vref power supply. Vref pin is
-	  used as a voltage reference when this supply is specified.
-	- microchip,vref-buffered: Boolean to enable buffering of the external
-	  Vref pin. This boolean is not valid without the vref-supply. Quoting
-	  the datasheet: This is offered in cases where the reference voltage
-	  does not have the current capability not to drop its voltage when
-	  connected to the internal resistor ladder circuit.
-
-Examples:
-
-	/* simple mcp4725 */
-	mcp4725@60 {
-		compatible = "microchip,mcp4725";
-		reg = <0x60>;
-		vdd-supply = <&vdac_vdd>;
-	};
-
-	/* mcp4726 with the buffered external reference voltage */
-	mcp4726@60 {
-		compatible = "microchip,mcp4726";
-		reg = <0x60>;
-		vdd-supply = <&vdac_vdd>;
-		vref-supply = <&vdac_vref>;
-		microchip,vref-buffered;
-	};
diff --git a/Documentation/devicetree/bindings/iio/dac/microchip,mcp4725.yaml b/Documentation/devicetree/bindings/iio/dac/microchip,mcp4725.yaml
new file mode 100644
index 000000000000..271998610ceb
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/dac/microchip,mcp4725.yaml
@@ -0,0 +1,71 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/dac/microchip,mcp4725.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Microchip mcp4725 and mcp4726 DAC
+
+maintainers:
+  - Tomas Novotny <tomas@novotny.cz>
+
+properties:
+  compatible:
+    enum:
+      - microchip,mcp4725
+      - microchip,mcp4726
+
+  reg:
+    maxItems: 1
+
+  vdd-supply:
+    description: |
+      Provides both power and acts as the reference supply on the mcp4725.
+      For the mcp4726 it will be used as the reference voltage if vref-supply
+      is not provided.
+
+  vref-supply:
+    description:
+      Vref pin is used as a voltage reference when this supply is specified.
+
+  microchip,vref-buffered:
+    type: boolean
+    description: |
+      Enable buffering of the external Vref pin. This boolean is not valid
+      without the vref-supply. Quoting the datasheet: This is offered in
+      cases where the reference voltage does not have the current
+      capability not to drop its voltage when connected to the internal
+      resistor ladder circuit.
+
+allOf:
+  - if:
+      not:
+        properties:
+          compatible:
+            contains:
+              const: microchip,mcp4726
+    then:
+      properties:
+        vref-supply: false
+        microchip,vref-buffered: false
+
+required:
+  - compatible
+  - reg
+  - vdd-supply
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        mcp4725@60 {
+            compatible = "microchip,mcp4725";
+            reg = <0x60>;
+            vdd-supply = <&vdac_vdd>;
+        };
+    };
+...
diff --git a/Documentation/devicetree/bindings/iio/dac/nxp,lpc1850-dac.yaml b/Documentation/devicetree/bindings/iio/dac/nxp,lpc1850-dac.yaml
new file mode 100644
index 000000000000..595f481c548e
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/dac/nxp,lpc1850-dac.yaml
@@ -0,0 +1,58 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/dac/nxp,lpc1850-dac.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP LPC1850 DAC bindings
+
+maintainers:
+  - Jonathan Cameron <jic23@kernel.org>
+
+description:
+  Supports the DAC found on the LPC1850 SoC.
+
+properties:
+  compatible:
+    const: nxp,lpc1850-dac
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  vref-supply: true
+
+  resets:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - vref-supply
+  - resets
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/lpc18xx-ccu.h>
+    soc {
+        #address-cells = <1>;
+        #size-cells = <1>;
+        dac: dac@400e1000 {
+            compatible = "nxp,lpc1850-dac";
+            reg = <0x400e1000 0x1000>;
+            interrupts = <0>;
+            clocks = <&ccu1 CLK_APB3_DAC>;
+            vref-supply = <&reg_vdda>;
+            resets = <&rgu 42>;
+        };
+    };
+...
diff --git a/Documentation/devicetree/bindings/iio/dac/ti,dac5571.txt b/Documentation/devicetree/bindings/iio/dac/ti,dac5571.txt
deleted file mode 100644
index 03af6b9a4d07..000000000000
--- a/Documentation/devicetree/bindings/iio/dac/ti,dac5571.txt
+++ /dev/null
@@ -1,24 +0,0 @@
-* Texas Instruments DAC5571 Family
-
-Required properties:
- - compatible: Should contain
-    "ti,dac5571"
-    "ti,dac6571"
-    "ti,dac7571"
-    "ti,dac5574"
-    "ti,dac6574"
-    "ti,dac7574"
-    "ti,dac5573"
-    "ti,dac6573"
-    "ti,dac7573"
- - reg: Should contain the DAC I2C address
-
-Optional properties:
- - vref-supply: The regulator supply for DAC reference voltage
-
-Example:
-dac@0 {
-	compatible = "ti,dac5571";
-	reg = <0x4C>;
-	vref-supply = <&vdd_supply>;
-};
diff --git a/Documentation/devicetree/bindings/iio/dac/ti,dac5571.yaml b/Documentation/devicetree/bindings/iio/dac/ti,dac5571.yaml
new file mode 100644
index 000000000000..714191724f7c
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/dac/ti,dac5571.yaml
@@ -0,0 +1,52 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/dac/ti,dac5571.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Texas Instruments DAC5571 Family
+
+maintainers:
+  - Sean Nyekjaer <sean@geanix.com>
+
+properties:
+  compatible:
+    enum:
+      - ti,dac5571
+      - ti,dac6571
+      - ti,dac7571
+      - ti,dac5574
+      - ti,dac6574
+      - ti,dac7574
+      - ti,dac5573
+      - ti,dac6573
+      - ti,dac7573
+
+  reg:
+    maxItems: 1
+
+  vref-supply:
+    description:
+      Reference voltage must be supplied to establish the scaling of the
+      output voltage.
+
+required:
+  - compatible
+  - reg
+  - vref-supply
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        dac@4c {
+            compatible = "ti,dac5571";
+            reg = <0x4C>;
+            vref-supply = <&vdd_supply>;
+        };
+    };
+...
diff --git a/Documentation/devicetree/bindings/iio/dac/ti,dac7311.txt b/Documentation/devicetree/bindings/iio/dac/ti,dac7311.txt
deleted file mode 100644
index e5a507db5e01..000000000000
--- a/Documentation/devicetree/bindings/iio/dac/ti,dac7311.txt
+++ /dev/null
@@ -1,23 +0,0 @@
-TI DAC7311 device tree bindings
-
-Required properties:
-- compatible: must be set to:
-	* "ti,dac7311"
-	* "ti,dac6311"
-	* "ti,dac5311"
-- reg: spi chip select number for the device
-- vref-supply: The regulator supply for ADC reference voltage
-
-Optional properties:
-- spi-max-frequency: Max SPI frequency to use
-
-Example:
-
-	spi_master {
-		dac@0 {
-			compatible = "ti,dac7311";
-			reg = <0>; /* CS0 */
-			spi-max-frequency = <1000000>;
-			vref-supply = <&vdd_supply>;
-		};
-	};
diff --git a/Documentation/devicetree/bindings/iio/dac/ti,dac7311.yaml b/Documentation/devicetree/bindings/iio/dac/ti,dac7311.yaml
new file mode 100644
index 000000000000..10be98d1f19c
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/dac/ti,dac7311.yaml
@@ -0,0 +1,49 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/dac/ti,dac7311.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Texas Instruments DAC5311 and similar SPI DACs
+
+maintainers:
+  - Charles-Antoine Couret <charles-antoine.couret@essensium.com>
+
+properties:
+  compatible:
+    enum:
+      - ti,dac7311
+      - ti,dac6311
+      - ti,dac5311
+
+  reg:
+    maxItems: 1
+
+  vref-supply:
+    description:
+      Reference voltage must be supplied to establish the scaling of the
+      output voltage.
+
+  spi-max-frequency: true
+
+required:
+  - compatible
+  - reg
+  - vref-supply
+
+additionalProperties: false
+
+examples:
+  - |
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        dac@0 {
+            compatible = "ti,dac7311";
+            reg = <0>; /* CS0 */
+            spi-max-frequency = <1000000>;
+            vref-supply = <&vdd_supply>;
+        };
+    };
+...
diff --git a/Documentation/devicetree/bindings/iio/dac/ti,dac7512.txt b/Documentation/devicetree/bindings/iio/dac/ti,dac7512.txt
deleted file mode 100644
index 1db45939dac9..000000000000
--- a/Documentation/devicetree/bindings/iio/dac/ti,dac7512.txt
+++ /dev/null
@@ -1,20 +0,0 @@
-TI DAC7512 DEVICETREE BINDINGS
-
-Required properties:
-
-	- "compatible"		Must be set to "ti,dac7512"
-
-Property rules described in Documentation/devicetree/bindings/spi/spi-bus.txt
-apply. In particular, "reg" and "spi-max-frequency" properties must be given.
-
-
-Example:
-
-	spi_master {
-		dac7512: dac7512@0 {
-			compatible = "ti,dac7512";
-			reg = <0>; /* CS0 */
-			spi-max-frequency = <1000000>;
-		};
-	};
-
diff --git a/Documentation/devicetree/bindings/iio/dac/ti,dac7512.yaml b/Documentation/devicetree/bindings/iio/dac/ti,dac7512.yaml
new file mode 100644
index 000000000000..4277cf8a4a2e
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/dac/ti,dac7512.yaml
@@ -0,0 +1,42 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/dac/ti,dac7512.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Texas Instruments DAC7512 DAC
+
+maintainers:
+  - Jonathan Cameron <jic23@kernel.org>
+
+properties:
+  compatible:
+    const: ti,dac7512
+
+  reg:
+    maxItems: 1
+
+  spi-max-frequency:
+    description:
+      Maximum frequency is reduced for supply voltage of less than 3.6V
+    maximum: 30000000
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        dac@0 {
+            compatible = "ti,dac7512";
+            reg = <0>; /* CS0 */
+            spi-max-frequency = <1000000>;
+        };
+    };
+...
diff --git a/Documentation/devicetree/bindings/iio/dac/ti,dac7612.txt b/Documentation/devicetree/bindings/iio/dac/ti,dac7612.txt
deleted file mode 100644
index 17af395b99d9..000000000000
--- a/Documentation/devicetree/bindings/iio/dac/ti,dac7612.txt
+++ /dev/null
@@ -1,28 +0,0 @@
-* Texas Instruments Dual, 12-Bit Serial Input Digital-to-Analog Converter
-
-The DAC7612 is a dual, 12-bit digital-to-analog converter (DAC) with guaranteed
-12-bit monotonicity performance over the industrial temperature range.
-Is is programmable through an SPI interface.
-
-The internal DACs are loaded when the LOADDACS pin is pulled down.
-
-https://www.ti.com/lit/ds/sbas106/sbas106.pdf
-
-Required Properties:
-- compatible: Should be one of:
-		"ti,dac7612"
-		"ti,dac7612u"
-		"ti,dac7612ub"
-- reg: Definition as per Documentation/devicetree/bindings/spi/spi-bus.txt
-
-Optional Properties:
-- ti,loaddacs-gpios: GPIO descriptor for the LOADDACS pin.
-- spi-*: Definition as per Documentation/devicetree/bindings/spi/spi-bus.txt
-
-Example:
-
-	dac@1 {
-		compatible = "ti,dac7612";
-		reg = <0x1>;
-		ti,loaddacs-gpios = <&msmgpio 25 GPIO_ACTIVE_LOW>;
-	};
diff --git a/Documentation/devicetree/bindings/iio/dac/ti,dac7612.yaml b/Documentation/devicetree/bindings/iio/dac/ti,dac7612.yaml
new file mode 100644
index 000000000000..d172b142f6ed
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/dac/ti,dac7612.yaml
@@ -0,0 +1,53 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/dac/ti,dac7612.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Texas Instruments DAC7612 family of DACs
+
+description:
+  The DAC7612 is a dual, 12-bit digital-to-analog converter (DAC) with
+  guaranteed 12-bit monotonicity performance over the industrial temperature
+  range. Is is programmable through an SPI interface.
+
+maintainers:
+  - Ricardo Ribalda Delgado <ricardo@ribalda.com>
+
+properties:
+  compatible:
+    enum:
+      - ti,dac7612
+      - ti,dac7612u
+      - ti,dac7612ub
+
+  reg:
+    maxItems: 1
+
+  ti,loaddacs-gpios:
+    description:
+      DACs are loaded when the pin connected to this GPIO is pulled low.
+    maxItems: 1
+
+  spi-max-frequency: true
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        dac@1 {
+            compatible = "ti,dac7612";
+            reg = <0x1>;
+            ti,loaddacs-gpios = <&msmgpio 25 GPIO_ACTIVE_LOW>;
+        };
+    };
+...
diff --git a/Documentation/devicetree/bindings/iio/dac/vf610-dac.txt b/Documentation/devicetree/bindings/iio/dac/vf610-dac.txt
deleted file mode 100644
index 20c6c7ae9687..000000000000
--- a/Documentation/devicetree/bindings/iio/dac/vf610-dac.txt
+++ /dev/null
@@ -1,20 +0,0 @@
-Freescale vf610 Digital to Analog Converter bindings
-
-The devicetree bindings are for the new DAC driver written for
-vf610 SoCs from Freescale.
-
-Required properties:
-- compatible: Should contain "fsl,vf610-dac"
-- reg: Offset and length of the register set for the device
-- interrupts: Should contain the interrupt for the device
-- clocks: The clock is needed by the DAC controller
-- clock-names: Must contain "dac" matching entry in the clocks property.
-
-Example:
-dac0: dac@400cc000 {
-	compatible = "fsl,vf610-dac";
-	reg = <0x400cc000 0x1000>;
-	interrupts = <55 IRQ_TYPE_LEVEL_HIGH>;
-	clock-names = "dac";
-	clocks = <&clks VF610_CLK_DAC0>;
-};