linux-kernel - [PATCH v8 1/2] dt-bindings: iio: accel: Add bmi088 accelerometer bindings

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Message-Id: <20210125150732.23873-1-mike.looijmans@topic.nl>
Date:   Mon, 25 Jan 2021 16:07:31 +0100
From:   Mike Looijmans <mike.looijmans@...ic.nl>
To:     linux-iio@...r.kernel.org
Cc:     Mike Looijmans <mike.looijmans@...ic.nl>,
        Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v8 1/2] dt-bindings: iio: accel: Add bmi088 accelerometer bindings

This adds the device-tree bindings for the Bosch Sensortec BMI088 IMU,
the accelerometer part.

Signed-off-by: Mike Looijmans <mike.looijmans@...ic.nl>

---

Changes in v8:
Add spi-max-frequency: true

Changes in v7:
Add additionalProperties
Change bmi088_accel to bmi088-accel
Add interrupt-names and adjust description

Changes in v6:
I't been almost a year since the last commit, sorry...
Fixed the yaml errors
Add interrupt, vdd and vddio properties

Changes in v5:
submit together with driver code as patch series

Changes in v2:
convert to yaml format

 .../bindings/iio/accel/bosch,bmi088.yaml      | 68 +++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/accel/bosch,bmi088.yaml

diff --git a/Documentation/devicetree/bindings/iio/accel/bosch,bmi088.yaml b/Documentation/devicetree/bindings/iio/accel/bosch,bmi088.yaml
new file mode 100644
index 000000000000..911a1ae9c83f
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/accel/bosch,bmi088.yaml
@@ -0,0 +1,68 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/accel/bosch,bmi088.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Bosch BMI088 IMU accelerometer part
+
+maintainers:
+  - Mike Looijmans <mike.looijmans@...ic.nl>
+
+description: |
+  Acceleration part of the IMU sensor with an SPI interface
+  Specifications about the sensor can be found at:
+    https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bmi088-ds001.pdf
+
+properties:
+  compatible:
+    enum:
+      - bosch,bmi088-accel
+
+  reg:
+    maxItems: 1
+
+  spi-max-frequency: true
+
+  vdd-supply: true
+
+  vddio-supply: true
+
+  interrupts:
+    minItems: 1
+    maxItems: 2
+    description: |
+      Type should be either IRQ_TYPE_LEVEL_HIGH or IRQ_TYPE_LEVEL_LOW.
+      Two configurable interrupt lines exist.
+
+  interrupt-names:
+    description: Specify which interrupt line is in use.
+    items:
+      enum:
+        - INT1
+        - INT2
+    minItems: 1
+    maxItems: 2
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    spi {
+      #address-cells = <1>;
+      #size-cells = <0>;
+      bmi088-accel@1 {
+        compatible = "bosch,bmi088-accel";
+        reg = <1>;
+        spi-max-frequency = <10000000>;
+        interrupt-parent = <&gpio6>;
+        interrupts = <19 IRQ_TYPE_LEVEL_LOW>;
+        interrupt-names = "INT2";
+      };
+    };
+...
-- 
2.17.1