dt-bindings: iio: accel: add ADXL367

The ADXL367 is an ultralow power, 3-axis MEMS accelerometer.

The ADXL367 does not alias input signals to achieve ultralow power
consumption, it samples the full bandwidth of the sensor at all
data rates. Measurement ranges of +-2g, +-4g, and +-8g are available,
with a resolution of 0.25mg/LSB on the +-2 g range.

In addition to its ultralow power consumption, the ADXL367
has many features to enable true system level power reduction.
It includes a deep multimode output FIFO, a built-in micropower
temperature sensor, and an internal ADC for synchronous conversion
of an additional analog input.

Signed-off-by: Cosmin Tanislav <cosmin.tanislav@analog.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220214073810.781016-5-cosmin.tanislav@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/Documentation/devicetree/bindings/iio/accel/adi,adxl367.yaml b/Documentation/devicetree/bindings/iio/accel/adi,adxl367.yaml
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/accel/adi,adxl367.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analog Devices ADXL367 3-Axis Digital Accelerometer
+
+maintainers:
+  - Cosmin Tanislav <cosmin.tanislav@analog.com>
+
+description: |
+  The ADXL367 is an ultralow power, 3-axis MEMS accelerometer.
+
+  The ADXL367 does not alias input signals by to achieve ultralow power
+  consumption, it samples the full bandwidth of the sensor at all
+  data rates. Measurement ranges of +-2g, +-4g, and +-8g are available,
+  with a resolution of 0.25mg/LSB on the +-2 g range.
+
+  In addition to its ultralow power consumption, the ADXL367
+  has many features to enable true system level power reduction.
+  It includes a deep multimode output FIFO, a built-in micropower
+  temperature sensor, and an internal ADC for synchronous conversion
+  of an additional analog input.
+    https://www.analog.com/en/products/adxl367.html
+
+properties:
+  compatible:
+    enum:
+      - adi,adxl367
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  spi-max-frequency: true
+
+  vdd-supply: true
+  vddio-supply: true
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      accelerometer@53 {
+        compatible = "adi,adxl367";
+        reg = <0x53>;
+        interrupt-parent = <&gpio>;
+        interrupts = <25 IRQ_TYPE_EDGE_RISING>;
+      };
+    };
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+
+    spi {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      accelerometer@0 {
+        compatible = "adi,adxl367";
+        reg = <0>;
+        spi-max-frequency = <1000000>;
+        interrupt-parent = <&gpio>;
+        interrupts = <25 IRQ_TYPE_EDGE_RISING>;
+      };
+    };