[PATCH 2/4] iio: gyro: add device tree support for fxas21002c

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This patch adds device tree support for the fxas21002c driver, including
bindings.

Signed-off-by: Afonso Bordado <afonsobordado@xxxxxx>
---
 .../bindings/iio/gyroscope/fsl,fxas21002c.txt        | 12 ++++++++++++
 drivers/iio/gyro/fxas21002c.c                        | 10 +++++++++-
 2 files changed, 21 insertions(+), 1 deletion(-)
 create mode 100644 Documentation/devicetree/bindings/iio/gyroscope/fsl,fxas21002c.txt

diff --git a/Documentation/devicetree/bindings/iio/gyroscope/fsl,fxas21002c.txt b/Documentation/devicetree/bindings/iio/gyroscope/fsl,fxas21002c.txt
new file mode 100644
index 000000000000..62f8c1bad85a
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/gyroscope/fsl,fxas21002c.txt
@@ -0,0 +1,12 @@
+* Freescale FXAS21002C Digital Angular Rate Gyroscope
+
+Required properties:
+
+  - compatible: must be "fsl,fxas21002c"
+  - reg : the I2C address of the sensor
+
+Example:
+gyroscope@0 {
+       compatible = "fsl,fxas21002c";
+       reg = <0x20>;
+};
diff --git a/drivers/iio/gyro/fxas21002c.c b/drivers/iio/gyro/fxas21002c.c
index 7626b2f88d72..6fef210630e0 100644
--- a/drivers/iio/gyro/fxas21002c.c
+++ b/drivers/iio/gyro/fxas21002c.c
@@ -8,7 +8,6 @@
  * Datasheet: https://www.nxp.com/docs/en/data-sheet/FXAS21002.pdf
  * TODO:
  *        ODR / Scale Support
- *        Devicetree
  *        Power management
  *        LowPass/HighPass Filters
  *        Buffers
@@ -340,6 +339,14 @@ static int fxas21002c_remove(struct i2c_client *client)
 	return 0;
 }
 
+#ifdef CONFIG_OF
+static const struct of_device_id fxas21002c_of_ids[] = {
+	{.compatible = "fsl,fxas21002c"},
+	{}
+};
+MODULE_DEVICE_TABLE(of, fxas21002c_of_ids);
+#endif
+
 static const struct i2c_device_id fxas21002c_id[] = {
 	{"fxas21002c", ID_FXAS21002C},
 	{}
@@ -350,6 +357,7 @@ MODULE_DEVICE_TABLE(i2c, fxas21002c_id);
 static struct i2c_driver fxas21002c_driver = {
 	.driver = {
 		.name = FXAS21002C_DRV_NAME,
+		.of_match_table = of_match_ptr(fxas21002c_of_ids),
 	},
 	.probe		= fxas21002c_probe,
 	.remove		= fxas21002c_remove,
-- 
2.18.0





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