[PATCH] iio: gyro: itg3200: Add DT support.

[Marek Belisko <marek-xXXSsgcRVICgSpxsJD1C4w@public.gmane.org>]

Signed-off-by: NeilBrown <neilb-l3A5Bk7waGM@public.gmane.org>
Signed-off-by: Marek Belisko <marek-xXXSsgcRVICgSpxsJD1C4w@public.gmane.org>
---
 .../devicetree/bindings/iio/gyro/itg3200.txt       | 22 ++++++++++++++++++++++
 drivers/iio/gyro/itg3200_core.c                    |  9 +++++++++
 2 files changed, 31 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/gyro/itg3200.txt

diff --git a/Documentation/devicetree/bindings/iio/gyro/itg3200.txt b/Documentation/devicetree/bindings/iio/gyro/itg3200.txt
new file mode 100644
index 0000000..b1b18dc
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/gyro/itg3200.txt
@@ -0,0 +1,22 @@
+* InvenSense ITG-3200 gyroscope
+
+http://www.invensense.com/mems/gyro/itg3200.html
+
+Required properties:
+
+  - compatible : should be "invensense,itg3200"
+  - reg : the I2C address of the sensor
+
+Optional properties:
+
+  - interrupt-parent : should be the phandle for the interrupt controller
+  - interrupts : interrupt mapping for GPIO IRQ
+
+Example:
+
+itg3200@68 {
+	compatible = "invensense,itg3200";
+	reg = <0x68>;
+	interrupt-parent = <&gpio2>;
+	interrupts = <29 IRQ_TYPE_EDGE_RISING>;
+};
diff --git a/drivers/iio/gyro/itg3200_core.c b/drivers/iio/gyro/itg3200_core.c
index 4d3f3b9..adbf20d 100644
--- a/drivers/iio/gyro/itg3200_core.c
+++ b/drivers/iio/gyro/itg3200_core.c
@@ -374,10 +374,19 @@ static const struct i2c_device_id itg3200_id[] = {
 };
 MODULE_DEVICE_TABLE(i2c, itg3200_id);
 
+#ifdef CONFIG_OF
+static const struct of_device_id itg3200_of_match[] = {
+	{ .compatible = "invensense,itg3200", },
+	{}
+};
+MODULE_DEVICE_TABLE(of, itg3200_of_match);
+#endif
+
 static struct i2c_driver itg3200_driver = {
 	.driver = {
 		.owner  = THIS_MODULE,
 		.name	= "itg3200",
+		.of_match_table = of_match_ptr(itg3200_of_match),
 	},
 	.id_table	= itg3200_id,
 	.probe		= itg3200_probe,
-- 
1.8.4.2

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