linux-kernel - [PATCH v2 3/3] dt-bindings: iio: accel: add dt-binding schema for msa311 accel driver

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Message-ID: <20220525181532.6805-4-ddrokosov@sberdevices.ru>
Date:   Wed, 25 May 2022 18:15:33 +0000
From:   Dmitry Rokosov <DDRokosov@...rdevices.ru>
To:     "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "stano.jakubek@...il.com" <stano.jakubek@...il.com>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "jic23@...nel.org" <jic23@...nel.org>,
        "lars@...afoo.de" <lars@...afoo.de>,
        "andy.shevchenko@...il.com" <andy.shevchenko@...il.com>,
        "stephan@...hold.net" <stephan@...hold.net>
CC:     "linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        kernel <kernel@...rdevices.ru>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Dmitry Rokosov <DDRokosov@...rdevices.ru>
Subject: [PATCH v2 3/3] dt-bindings: iio: accel: add dt-binding schema for
 msa311 accel driver

Introduce devicetree binding json-schema for MSA311 tri-axial,
low-g accelerometer driver.

Signed-off-by: Dmitry Rokosov <ddrokosov@...rdevices.ru>
---
 .../bindings/iio/accel/memsensing,msa311.yaml | 62 +++++++++++++++++++
 MAINTAINERS                                   |  1 +
 2 files changed, 63 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/accel/memsensing,msa311.yaml

diff --git a/Documentation/devicetree/bindings/iio/accel/memsensing,msa311.yaml b/Documentation/devicetree/bindings/iio/accel/memsensing,msa311.yaml
new file mode 100644
index 000000000000..8d9cd56288cb
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/accel/memsensing,msa311.yaml
@@ -0,0 +1,62 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/iio/accel/memsensing,msa311.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: MEMSensing digital 3-Axis accelerometer
+
+maintainers:
+  - Dmitry Rokosov <ddrokosov@...rdevices.ru>
+
+description: |
+  MSA311 is a tri-axial, low-g accelerometer with I2C digital output for
+  sensitivity consumer applications. It has dynamical user selectable full
+  scales range of +-2g/+-4g/+-8g/+-16g and allows acceleration measurements
+  with output data rates from 1Hz to 1000Hz.
+  Datasheet can be found at following URL
+  https://cdn-shop.adafruit.com/product-files/5309/MSA311-V1.1-ENG.pdf
+
+properties:
+  compatible:
+    const: memsensing,msa311
+
+  "#address-cells":
+    const: 1
+
+  "#size-cells":
+    const: 0
+
+  reg:
+    maxItems: 1
+    description: I2C registers address
+
+  interrupts:
+    maxItems: 1
+    description: optional I2C int pin can be freely mapped to specific func
+
+  interrupt-names:
+    const: irq
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        accelerometer@62 {
+            compatible = "memsensing,msa311";
+            reg = <0x62>;
+            interrupt-parent = <&gpio_intc>;
+            interrupts = <29 IRQ_TYPE_EDGE_RISING>;
+            interrupt-names = "irq";
+        };
+    };
diff --git a/MAINTAINERS b/MAINTAINERS
index 55aeb25c004c..be39e5c214fe 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -12482,6 +12482,7 @@ MEMSENSING MICROSYSTEMS MSA311 ACCELEROMETER DRIVER
 M:	Dmitry Rokosov <ddrokosov@...rdevices.ru>
 L:	linux-iio@...r.kernel.org
 S:	Maintained
+F:	Documentation/devicetree/bindings/iio/accel/memsensing,msa311.yaml
 F:	drivers/iio/accel/msa311.c
 
 MEN A21 WATCHDOG DRIVER
-- 
2.36.0