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Date:   Wed, 21 Sep 2022 14:45:06 +0300
From:   Matti Vaittinen <mazziesaccount@gmail.com>
To:     Matti Vaittinen <mazziesaccount@gmail.com>,
        Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Cc:     Jonathan Cameron <jic23@kernel.org>,
        Lars-Peter Clausen <lars@metafoo.de>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Matti Vaittinen <mazziesaccount@gmail.com>,
        Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        Nikita Yushchenko <nikita.yoush@cogentembedded.com>,
        Cosmin Tanislav <demonsingur@gmail.com>,
        Jagath Jog J <jagathjog1996@gmail.com>,
        linux-iio@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: [RFC PATCH 3/5] dt-bindings: iio: Add KX022A accelerometer
Message-ID: <eb3edbb63c117f93e8ec534f50d8e3cf91ab3041.1663760018.git.mazziesaccount@gmail.com>
References: <cover.1663760018.git.mazziesaccount@gmail.com>
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KX022A is a 3-axis Accelerometer from ROHM/Kionix. The senor features
include variable ODRs, I2C and SPI control, FIFO/LIFO with watermark IRQ,
tap/motion detection, wake-up & back-to-sleep events, four acceleration
ranges (2, 4, 8 and 16g) and probably some other cool fatures.

Add the basic device tree description for the accelerometer. Only basic
accelerometer features are considered as of now - new properties may or
may not be needed in the future if rest of the features are to be supported.

Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
---
 .../bindings/iio/accel/kionix,kx022a.yaml     | 58 +++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/accel/kionix,kx02=
2a.yaml

diff --git a/Documentation/devicetree/bindings/iio/accel/kionix,kx022a.yaml=
 b/Documentation/devicetree/bindings/iio/accel/kionix,kx022a.yaml
new file mode 100644
index 000000000000..62a0c7991a62
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/accel/kionix,kx022a.yaml
@@ -0,0 +1,58 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/accel/kionix,kx022a.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ROHM/Kionix KX022A Accelerometer bindings
+
+maintainers:
+  - Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
+
+description: |
+  KX022A is a 3-axis accelerometer supporting +/- 2G, 4G, 8G and 16G range=
s,
+  output data-rates from 0.78Hz to 1600Hz and a hardware-fifo buffering.
+  KX022A can be accessed either via I2C or SPI.
+
+properties:
+  compatible: kionix,kx022a
+
+  reg:
+    description:
+      I2C slave address or SPI chip-select.
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  vdd-supply: true
+  io_vdd-supply: true
+
+  mount-matrix:
+    description: |
+      an optional 3x3 mounting rotation matrix.
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    i2c {
+        #address-cells =3D <1>;
+        #size-cells =3D <0>;
+          accel@1f {
+            compatible =3D "kionix,kx022a";
+            reg =3D <0x1f>;
+
+            interrupt-parent =3D <&gpio1>;
+            interrupts =3D <29 IRQ_TYPE_LEVEL_LOW>;
+
+            io_vdd-supply =3D <&iovdd>;
+            vdd-supply =3D <&vdd>;
+        };
+    };
--=20
2.37.1


--=20
Matti Vaittinen, Linux device drivers
ROHM Semiconductors, Finland SWDC
Kiviharjunlenkki 1E
90220 OULU
FINLAND

~~~ "I don't think so," said Rene Descartes. Just then he vanished ~~~
Simon says - in Latin please.
~~~ "non cogito me" dixit Rene Descarte, deinde evanescavit ~~~
Thanks to Simon Glass for the translation =3D]=20

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