Adding upstream version 6.1.76.upstream/6.1.76upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

11 files changed, 893 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/iio/proximity/ams,as3935.yaml b/Documentation/devicetree/bindings/iio/proximity/ams,as3935.yaml
new file mode 100644
index 000000000..7fcba5d6d
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/proximity/ams,as3935.yaml
@@ -0,0 +1,71 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/proximity/ams,as3935.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Austrian Microsystems AS3935 Franklin lightning sensor
+
+maintainers:
+  - Matt Ranostay <matt.ranostay@konsulko.com>
+
+description:
+  This lightening distance sensor uses an I2C or SPI interface. The
+  binding currently only covers the SPI option.
+
+properties:
+  compatible:
+    const: ams,as3935
+
+  reg:
+    maxItems: 1
+
+  spi-max-frequency:
+    maximum: 2000000
+
+  spi-cpha: true
+
+  interrupts:
+    maxItems: 1
+
+  ams,tuning-capacitor-pf:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description:
+      Calibration tuning capacitor stepping value. This will require using
+      the calibration data from the manufacturer.
+    minimum: 0
+    maximum: 120
+
+  ams,nflwdth:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description:
+      Set the noise and watchdog threshold register on startup. This will
+      need to set according to the noise from the MCU board, and possibly
+      the local environment. Refer to the datasheet for the threshold settings.
+
+required:
+  - compatible
+  - reg
+  - spi-cpha
+  - interrupts
+
+additionalProperties: false
+
+examples:
+  - |
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+    lightning@0 {
+            compatible = "ams,as3935";
+            reg = <0>;
+            spi-max-frequency = <400000>;
+            spi-cpha;
+            interrupt-parent = <&gpio1>;
+            interrupts = <16 1>;
+            ams,tuning-capacitor-pf = <80>;
+            ams,nflwdth = <0x44>;
+        };
+    };
+...
diff --git a/Documentation/devicetree/bindings/iio/proximity/devantech-srf04.yaml b/Documentation/devicetree/bindings/iio/proximity/devantech-srf04.yaml
new file mode 100644
index 000000000..ce7952798
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/proximity/devantech-srf04.yaml
@@ -0,0 +1,86 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/proximity/devantech-srf04.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Devantech SRF04 and Maxbotix mb1000 ultrasonic range finder
+
+maintainers:
+  - Andreas Klinger <ak@it-klinger.de>
+
+description: |
+  Bit-banging driver using two GPIOs:
+  - trigger-gpio is raised by the driver to start sending out an ultrasonic
+    burst
+  - echo-gpio is held high by the sensor after sending ultrasonic burst
+    until it is received once again
+
+  Specifications about the devices can be found at:
+  https://www.robot-electronics.co.uk/htm/srf04tech.htm
+
+  https://www.maxbotix.com/documents/LV-MaxSonar-EZ_Datasheet.pdf
+
+properties:
+  compatible:
+    enum:
+      - devantech,srf04
+      - maxbotix,mb1000
+      - maxbotix,mb1010
+      - maxbotix,mb1020
+      - maxbotix,mb1030
+      - maxbotix,mb1040
+
+  trig-gpios:
+    description:
+      Definition of the GPIO for the triggering (output)
+      This GPIO is set for about 10 us by the driver to tell the device it
+      should initiate the measurement cycle.
+      See Documentation/devicetree/bindings/gpio/gpio.txt for information
+      on how to specify a consumer gpio.
+    maxItems: 1
+
+  echo-gpios:
+    description:
+      Definition of the GPIO for the echo (input)
+      This GPIO is set by the device as soon as an ultrasonic burst is sent
+      out and reset when the first echo is received.
+      Thus this GPIO is set while the ultrasonic waves are doing one round
+      trip.
+      It needs to be an GPIO which is able to deliver an interrupt because
+      the time between two interrupts is measured in the driver.
+    maxItems: 1
+
+  power-gpios:
+    description:
+      Definition of the GPIO for power management of connected peripheral
+      (output).
+      This GPIO can be used by the external hardware for power management.
+      When the device gets suspended it's switched off and when it resumes
+      it's switched on again. After some period of inactivity the driver
+      get suspended automatically (autosuspend feature).
+    maxItems: 1
+
+  startup-time-ms:
+    description:
+      This is the startup time the device needs after a resume to be up and
+      running.
+    minimum: 0
+    maximum: 1000
+    default: 100
+
+required:
+  - compatible
+  - trig-gpios
+  - echo-gpios
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    proximity {
+        compatible = "devantech,srf04";
+        trig-gpios = <&gpio1 15 GPIO_ACTIVE_HIGH>;
+        echo-gpios = <&gpio2  6 GPIO_ACTIVE_HIGH>;
+    };
diff --git a/Documentation/devicetree/bindings/iio/proximity/google,cros-ec-mkbp-proximity.yaml b/Documentation/devicetree/bindings/iio/proximity/google,cros-ec-mkbp-proximity.yaml
new file mode 100644
index 000000000..00e3b5964
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/proximity/google,cros-ec-mkbp-proximity.yaml
@@ -0,0 +1,36 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+
+$id: http://devicetree.org/schemas/iio/proximity/google,cros-ec-mkbp-proximity.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ChromeOS EC MKBP Proximity Sensor
+
+maintainers:
+  - Stephen Boyd <swboyd@chromium.org>
+  - Benson Leung <bleung@chromium.org>
+
+description: |
+  Google's ChromeOS EC sometimes has the ability to detect user proximity.
+  This is implemented on the EC as near/far logic and exposed to the OS
+  via an MKBP switch bit.
+
+properties:
+  compatible:
+    const: google,cros-ec-mkbp-proximity
+
+  label:
+    description: Name for proximity sensor
+
+required:
+  - compatible
+
+additionalProperties: false
+
+examples:
+  - |
+    proximity {
+      compatible = "google,cros-ec-mkbp-proximity";
+      label = "proximity-wifi-lte";
+    };
diff --git a/Documentation/devicetree/bindings/iio/proximity/maxbotix,mb1232.yaml b/Documentation/devicetree/bindings/iio/proximity/maxbotix,mb1232.yaml
new file mode 100644
index 000000000..3eac248f2
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/proximity/maxbotix,mb1232.yaml
@@ -0,0 +1,60 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/proximity/maxbotix,mb1232.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MaxBotix I2CXL-MaxSonar ultrasonic distance sensor
+
+maintainers:
+  - Andreas Klinger <ak@it-klinger.de>
+
+description: |
+  MaxBotix I2CXL-MaxSonar ultrasonic distance sensor of type  mb1202,
+  mb1212, mb1222, mb1232, mb1242, mb7040 or mb7137 using the i2c interface
+  for ranging
+
+  Specifications about the devices can be found at:
+  https://www.maxbotix.com/documents/I2CXL-MaxSonar-EZ_Datasheet.pdf
+
+properties:
+  compatible:
+    enum:
+      - maxbotix,mb1202
+      - maxbotix,mb1212
+      - maxbotix,mb1222
+      - maxbotix,mb1232
+      - maxbotix,mb1242
+      - maxbotix,mb7040
+      - maxbotix,mb7137
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    description:
+      Interrupt used to announce the preceding reading request has finished
+      and that data is available.  If no interrupt is specified the device
+      driver falls back to wait a fixed amount of time until data can be
+      retrieved.
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+      proximity@70 {
+        compatible = "maxbotix,mb1232";
+        reg = <0x70>;
+        interrupt-parent = <&gpio2>;
+        interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
+      };
+    };
diff --git a/Documentation/devicetree/bindings/iio/proximity/parallax-ping.yaml b/Documentation/devicetree/bindings/iio/proximity/parallax-ping.yaml
new file mode 100644
index 000000000..ada55f186
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/proximity/parallax-ping.yaml
@@ -0,0 +1,53 @@
+# SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/proximity/parallax-ping.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Parallax PING))) and LaserPING range finder
+
+maintainers:
+  - Andreas Klinger <ak@it-klinger.de>
+
+description: |
+  Bit-banging driver using one GPIO:
+  - ping-gpios is raised by the driver to start measurement
+  - direction of ping-gpio is then switched into input with an interrupt
+    for receiving distance value as PWM signal
+
+  Specifications about the devices can be found at:
+  http://parallax.com/sites/default/files/downloads/28041-LaserPING-2m-Rangefinder-Guide.pdf
+  http://parallax.com/sites/default/files/downloads/28015-PING-Documentation-v1.6.pdf
+
+properties:
+  compatible:
+    enum:
+      - parallax,ping
+      - parallax,laserping
+
+  ping-gpios:
+    description:
+      Definition of the GPIO for the triggering and echo (output and input)
+      This GPIO is set for about 5 us by the driver to tell the device it
+      should initiate the measurement cycle. Afterwards the GPIO is switched
+      to input direction with an interrupt. The device sets it and the
+      length of the input signal corresponds to the measured distance.
+      It needs to be an GPIO which is able to deliver an interrupt because
+      the time between two interrupts is measured in the driver.
+      See Documentation/devicetree/bindings/gpio/gpio.txt for information
+      on how to specify a consumer gpio.
+    maxItems: 1
+
+required:
+  - compatible
+  - ping-gpios
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    proximity {
+        compatible = "parallax,laserping";
+        ping-gpios = <&gpio0 26 GPIO_ACTIVE_HIGH>;
+    };
diff --git a/Documentation/devicetree/bindings/iio/proximity/semtech,sx9310.yaml b/Documentation/devicetree/bindings/iio/proximity/semtech,sx9310.yaml
new file mode 100644
index 000000000..5de0bb218
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/proximity/semtech,sx9310.yaml
@@ -0,0 +1,128 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/proximity/semtech,sx9310.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Semtech's SX9310 capacitive proximity sensor
+
+maintainers:
+  - Daniel Campello <campello@chromium.org>
+
+description: |
+  Semtech's SX9310/SX9311 capacitive proximity/button solution.
+
+  Specifications about the devices can be found at:
+  https://www.semtech.com/products/smart-sensing/sar-sensors/sx9310
+
+properties:
+  compatible:
+    enum:
+      - semtech,sx9310
+      - semtech,sx9311
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    description:
+      The sole interrupt generated by the device used to announce the
+      preceding reading request has finished and that data is
+      available or that a close/far proximity event has happened.
+    maxItems: 1
+
+  vdd-supply:
+    description: Main power supply
+
+  svdd-supply:
+    description: Host interface power supply
+
+  "#io-channel-cells":
+    const: 1
+
+  semtech,cs0-ground:
+    description: Indicates the CS0 sensor is connected to ground.
+    type: boolean
+
+  semtech,combined-sensors:
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    description: |
+      List of which sensors are combined and represented by CS3.
+      Possible values are -
+      3        - CS3 (internal)
+      0 1      - CS0 + CS1
+      1 2      - CS1 + CS2 (default)
+      0 1 2 3  - CS0 + CS1 + CS2 + CS3
+    items:
+      enum: [ 0, 1, 2, 3 ]
+    minItems: 1
+    maxItems: 4
+
+  semtech,resolution:
+    description:
+      Capacitance measure resolution. Refer to datasheet for more details.
+    enum:
+      - coarsest
+      - very-coarse
+      - coarse
+      - medium-coarse
+      - medium
+      - fine
+      - very-fine
+      - finest
+
+  semtech,startup-sensor:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [0, 1, 2, 3]
+    default: 0
+    description:
+      Sensor used for start-up proximity detection. The combined
+      sensor is represented by the value 3. This is used for initial
+      compensation.
+
+  semtech,proxraw-strength:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [0, 2, 4, 8]
+    default: 2
+    description:
+      PROXRAW filter strength. A value of 0 represents off, and other values
+      represent 1-1/N.
+
+  semtech,avg-pos-strength:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [0, 16, 64, 128, 256, 512, 1024, 4294967295]
+    default: 16
+    description:
+      Average positive filter strength. A value of 0 represents off and
+      UINT_MAX (4294967295) represents infinite. Other values
+      represent 1-1/N.
+
+required:
+  - compatible
+  - reg
+  - "#io-channel-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+      proximity@28 {
+        compatible = "semtech,sx9310";
+        reg = <0x28>;
+        interrupt-parent = <&pio>;
+        interrupts = <5 IRQ_TYPE_LEVEL_LOW 5>;
+        vdd-supply = <&pp3300_a>;
+        svdd-supply = <&pp1800_prox>;
+        #io-channel-cells = <1>;
+        semtech,cs0-ground;
+        semtech,combined-sensors = <1 2 3>;
+        semtech,resolution = "fine";
+        semtech,startup-sensor = <1>;
+        semtech,proxraw-strength = <2>;
+        semtech,avg-pos-strength = <64>;
+      };
+    };
diff --git a/Documentation/devicetree/bindings/iio/proximity/semtech,sx9324.yaml b/Documentation/devicetree/bindings/iio/proximity/semtech,sx9324.yaml
new file mode 100644
index 000000000..b3aa2ebf9
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/proximity/semtech,sx9324.yaml
@@ -0,0 +1,200 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/proximity/semtech,sx9324.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Semtech's SX9324 capacitive proximity sensor
+
+maintainers:
+  - Gwendal Grignou <gwendal@chromium.org>
+  - Daniel Campello <campello@chromium.org>
+
+description: |
+  Semtech's SX9324 proximity sensor.
+
+properties:
+  compatible:
+    const: semtech,sx9324
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    description:
+      Generated by device to announce preceding read request has finished
+      and data is available or that a close/far proximity event has happened.
+    maxItems: 1
+
+  vdd-supply:
+    description: Main power supply
+
+  svdd-supply:
+    description: Host interface power supply
+
+  "#io-channel-cells":
+    const: 1
+
+  semtech,ph0-pin:
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    description: |
+      Array of 3 entries. Index represent the id of the CS pin.
+      Value indicates how each CS pin is used during phase 0.
+      Each of the 3 pins have the following value -
+      0 : unused (high impedance)
+      1 : measured input
+      2 : dynamic shield
+      3 : grounded.
+      For instance, CS0 measured, CS1 shield and CS2 ground is [1, 2, 3]
+    items:
+      enum: [ 0, 1, 2, 3 ]
+    minItems: 3
+    maxItems: 3
+
+  semtech,ph1-pin:
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    description: Same as ph0-pin for phase 1.
+    items:
+      enum: [ 0, 1, 2, 3 ]
+    minItems: 3
+    maxItems: 3
+
+  semtech,ph2-pin:
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    description: Same as ph0-pin for phase 2.
+    items:
+      enum: [ 0, 1, 2, 3 ]
+    minItems: 3
+    maxItems: 3
+
+  semtech,ph3-pin:
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    description: Same as ph0-pin for phase 3.
+    items:
+      enum: [ 0, 1, 2, 3 ]
+    minItems: 3
+    maxItems: 3
+
+
+  semtech,ph01-resolution:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [8, 16, 32, 64, 128, 256, 512, 1024]
+    description:
+      Capacitance measurement resolution. For phase 0 and 1.
+      Higher the number, higher the resolution.
+    default: 128
+
+  semtech,ph23-resolution:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [8, 16, 32, 64, 128, 256, 512, 1024]
+    description:
+      Capacitance measurement resolution. For phase 2 and 3
+    default: 128
+
+  semtech,startup-sensor:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [0, 1, 2, 3]
+    default: 0
+    description: |
+      Phase used for start-up proximity detection.
+      It is used when we enable a phase to remove static offset and measure
+      only capacitance changes introduced by the user.
+
+  semtech,ph01-proxraw-strength:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    minimum: 0
+    maximum: 7
+    default: 1
+    description:
+      PROXRAW filter strength for phase 0 and 1. A value of 0 represents off,
+      and other values represent 1-1/2^N.
+
+  semtech,ph23-proxraw-strength:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    minimum: 0
+    maximum: 7
+    default: 1
+    description:
+      Same as proxraw-strength01, for phase 2 and 3.
+
+  semtech,avg-pos-strength:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [0, 16, 64, 128, 256, 512, 1024, 4294967295]
+    default: 16
+    description: |
+      Average positive filter strength. A value of 0 represents off and
+      UINT_MAX (4294967295) represents infinite. Other values
+      represent 1-1/N.
+
+  semtech,cs-idle-sleep:
+    description:
+      State of CS pins during sleep mode and idle time.
+    enum:
+      - hi-z
+      - gnd
+      - vdd
+
+  semtech,int-comp-resistor:
+    description:
+      Internal resistor setting for compensation.
+    enum:
+      - lowest
+      - low
+      - high
+      - highest
+
+  semtech,input-precharge-resistor-ohms:
+    default: 4000
+    multipleOf: 2000
+    minimum: 0
+    maximum: 30000
+    description:
+      Pre-charge input resistance in Ohm.
+
+  semtech,input-analog-gain:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    minimum: 0
+    maximum: 3
+    description: |
+      Defines the input antenna analog gain
+      0: x1.247
+      1: x1 (default)
+      2: x0.768
+      3: x0.552
+
+required:
+  - compatible
+  - reg
+  - "#io-channel-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+      proximity@28 {
+        compatible = "semtech,sx9324";
+        reg = <0x28>;
+        interrupt-parent = <&pio>;
+        interrupts = <5 IRQ_TYPE_LEVEL_LOW 5>;
+        vdd-supply = <&pp3300_a>;
+        svdd-supply = <&pp1800_prox>;
+        #io-channel-cells = <1>;
+        semtech,ph0-pin = <1 2 3>;
+        semtech,ph1-pin = <3 2 1>;
+        semtech,ph2-pin = <1 2 3>;
+        semtech,ph3-pin = <3 2 1>;
+        semtech,ph01-resolution = <256>;
+        semtech,ph23-resolution = <256>;
+        semtech,startup-sensor = <1>;
+        semtech,ph01-proxraw-strength = <2>;
+        semtech,ph23-proxraw-strength = <2>;
+        semtech,avg-pos-strength = <64>;
+        semtech,int-comp-resistor = "lowest";
+        semtech,input-precharge-resistor-ohms = <2000>;
+        semtech,cs-idle-sleep = "gnd";
+      };
+    };
diff --git a/Documentation/devicetree/bindings/iio/proximity/semtech,sx9360.yaml b/Documentation/devicetree/bindings/iio/proximity/semtech,sx9360.yaml
new file mode 100644
index 000000000..f088c5d2b
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/proximity/semtech,sx9360.yaml
@@ -0,0 +1,98 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/proximity/semtech,sx9360.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Semtech's SX9360 capacitive proximity sensor
+
+maintainers:
+  - Gwendal Grignou <gwendal@chromium.org>
+  - Daniel Campello <campello@chromium.org>
+
+description: |
+  Semtech's SX9360 proximity sensor.
+
+properties:
+  compatible:
+    const: semtech,sx9360
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    description:
+      Generated by device to announce preceding read request has finished
+      and data is available or that a close/far proximity event has happened.
+    maxItems: 1
+
+  vdd-supply:
+    description: Main power supply
+
+  svdd-supply:
+    description: Host interface power supply
+
+  "#io-channel-cells":
+    const: 1
+
+  semtech,resolution:
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    enum: [8, 16, 32, 64, 128, 256, 512, 1024]
+    description:
+      Capacitance measurement resolution. For both phases, "reference" and
+      "measurement". Higher the number, higher the resolution.
+    default: 128
+
+  semtech,proxraw-strength:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    minimum: 0
+    maximum: 7
+    default: 1
+    description:
+      PROXRAW filter strength for both phases. A value of 0 represents off,
+      and other values represent 1-1/2^N.
+
+  semtech,avg-pos-strength:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [0, 16, 64, 128, 256, 512, 1024, 4294967295]
+    default: 16
+    description: |
+      Average positive filter strength. A value of 0 represents off and
+      UINT_MAX (4294967295) represents infinite. Other values
+      represent 1-1/N.
+
+  semtech,input-precharge-resistor-ohms:
+    default: 0
+    multipleOf: 2000
+    minimum: 0
+    maximum: 30000
+    description:
+      Pre-charge input resistance in Ohm.
+
+required:
+  - compatible
+  - reg
+  - "#io-channel-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+      proximity@28 {
+        compatible = "semtech,sx9360";
+        reg = <0x28>;
+        interrupt-parent = <&pio>;
+        interrupts = <5 IRQ_TYPE_LEVEL_LOW 5>;
+        vdd-supply = <&pp3300_a>;
+        svdd-supply = <&pp1800_prox>;
+        #io-channel-cells = <1>;
+        semtech,resolution = <256>;
+        semtech,proxraw-strength = <2>;
+        semtech,avg-pos-strength = <64>;
+        semtech,input-precharge-resistor-ohms = <4000>;
+      };
+    };
diff --git a/Documentation/devicetree/bindings/iio/proximity/semtech,sx9500.yaml b/Documentation/devicetree/bindings/iio/proximity/semtech,sx9500.yaml
new file mode 100644
index 000000000..66dd01506
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/proximity/semtech,sx9500.yaml
@@ -0,0 +1,50 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/proximity/semtech,sx9500.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Semtech's SX9500 capacitive proximity button device
+
+maintainers:
+  - Jonathan Cameron <jic23@kernel.org>
+
+properties:
+  compatible:
+    const: semtech,sx9500
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  reset-gpios:
+    description:
+      GPIO connected to the active low reset pin.
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/gpio/gpio.h>
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        proximity@28 {
+            compatible = "semtech,sx9500";
+            reg = <0x28>;
+            interrupt-parent = <&gpio2>;
+            interrupts = <16 IRQ_TYPE_LEVEL_LOW>;
+            reset-gpios = <&gpio2 10 GPIO_ACTIVE_LOW>;
+        };
+    };
+...
diff --git a/Documentation/devicetree/bindings/iio/proximity/st,vl53l0x.yaml b/Documentation/devicetree/bindings/iio/proximity/st,vl53l0x.yaml
new file mode 100644
index 000000000..322befc41
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/proximity/st,vl53l0x.yaml
@@ -0,0 +1,47 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/proximity/st,vl53l0x.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ST VL53L0X ToF ranging sensor
+
+maintainers:
+  - Song Qiang <songqiang1304521@gmail.com>
+
+properties:
+  compatible:
+    const: st,vl53l0x
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  reset-gpios:
+    maxItems: 1
+
+  vdd-supply: true
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        proximity@29 {
+            compatible = "st,vl53l0x";
+            reg = <0x29>;
+            interrupt-parent = <&gpio>;
+            interrupts = <23 IRQ_TYPE_EDGE_FALLING>;
+        };
+    };
+...
diff --git a/Documentation/devicetree/bindings/iio/proximity/vishay,vcnl3020.yaml b/Documentation/devicetree/bindings/iio/proximity/vishay,vcnl3020.yaml
new file mode 100644
index 000000000..fbd3a2e32
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/proximity/vishay,vcnl3020.yaml
@@ -0,0 +1,64 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/proximity/vishay,vcnl3020.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Integrated Proximity Sensor With Infrared Emitter
+
+maintainers:
+  - Ivan Mikhaylov <i.mikhaylov@yadro.com>
+
+description: |
+  The VCNL3020 is a fully integrated proximity sensor. Fully integrated means
+  that the infrared emitter is included in the package. It has 16-bit
+  resolution. It includes a signal processing IC and features standard I2C
+  communication interface. It features an interrupt function.
+
+  Specifications about the devices can be found at:
+  https://www.vishay.com/docs/84150/vcnl3020.pdf
+
+properties:
+  compatible:
+    enum:
+      - vishay,vcnl3020
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  vdd-supply:
+    description: Regulator that provides power to the sensor
+
+  vddio-supply:
+    description: Regulator that provides power to the bus
+
+  vishay,led-current-microamp:
+    description:
+      The driver current for the LED used in proximity sensing.
+    enum: [0, 10000, 20000, 30000, 40000, 50000, 60000, 70000, 80000, 90000,
+           100000, 110000, 120000, 130000, 140000, 150000, 160000, 170000,
+           180000, 190000, 200000]
+    default: 20000
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        proximity@13 {
+              compatible = "vishay,vcnl3020";
+              reg = <0x13>;
+              vishay,led-current-microamp = <200000>;
+        };
+    };