linux-kernel - [PATCHv2 5/8] iio: mma8452: add devicetree binding document

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Message-Id: <1438009196-28766-1-git-send-email-martink@posteo.de>
Date:	Mon, 27 Jul 2015 16:59:56 +0200
From:	Martin Kepplinger <martink@...teo.de>
To:	jic23@...nel.org, knaack.h@....de, lars@...afoo.de,
	pmeerw@...erw.net, mfuzzey@...keon.com, roberta.dobrescu@...il.com,
	robh+dt@...nel.org, pawel.moll@....com, mark.rutland@....com,
	ijc+devicetree@...lion.org.uk, galak@...eaurora.org
Cc:	devicetree@...r.kernel.org, linux-iio@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	christoph.muellner@...obroma-systems.com,
	Martin Kepplinger <martink@...teo.de>,
	Martin Kepplinger <martin.kepplinger@...obroma-systems.com>
Subject: [PATCHv2 5/8] iio: mma8452: add devicetree binding document

As we support more chips now, add a binding document and remove it from
i2c trivial-devices.txt list.

The binding document is further extended in a later patch of this series.

Signed-off-by: Martin Kepplinger <martin.kepplinger@...obroma-systems.com>
Signed-off-by: Christoph Muellner <christoph.muellner@...obroma-systems.com>
---
builds a nice list of supported compatible strings.

thanks!


 .../devicetree/bindings/i2c/trivial-devices.txt    |  1 -
 .../devicetree/bindings/iio/accel/mma8452.txt      | 24 ++++++++++++++++++++++
 2 files changed, 24 insertions(+), 1 deletion(-)
 create mode 100644 Documentation/devicetree/bindings/iio/accel/mma8452.txt

diff --git a/Documentation/devicetree/bindings/i2c/trivial-devices.txt b/Documentation/devicetree/bindings/i2c/trivial-devices.txt
index 00f8652..094238a 100644
--- a/Documentation/devicetree/bindings/i2c/trivial-devices.txt
+++ b/Documentation/devicetree/bindings/i2c/trivial-devices.txt
@@ -54,7 +54,6 @@ epson,rx8581		I2C-BUS INTERFACE REAL TIME CLOCK MODULE
 fsl,mag3110		MAG3110: Xtrinsic High Accuracy, 3D Magnetometer
 fsl,mc13892		MC13892: Power Management Integrated Circuit (PMIC) for i.MX35/51
 fsl,mma8450		MMA8450Q: Xtrinsic Low-power, 3-axis Xtrinsic Accelerometer
-fsl,mma8452		MMA8452Q: 3-axis 12-bit / 8-bit Digital Accelerometer
 fsl,mpr121		MPR121: Proximity Capacitive Touch Sensor Controller
 fsl,sgtl5000		SGTL5000: Ultra Low-Power Audio Codec
 gmt,g751		G751: Digital Temperature Sensor and Thermal Watchdog with Two-Wire Interface
diff --git a/Documentation/devicetree/bindings/iio/accel/mma8452.txt b/Documentation/devicetree/bindings/iio/accel/mma8452.txt
new file mode 100644
index 0000000..57feb16
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/accel/mma8452.txt
@@ -0,0 +1,24 @@
+Freescale MMA8452Q, MMA8453Q, MMA8652FC or MMA8653FC triaxial accelerometer
+
+Required properties:
+
+  - compatible: should contain one of
+    * "fsl,mma8653"
+    * "fsl,mma8652"
+    * "fsl,mma8453"
+    * "fsl,mma8452"
+  - reg: the I2C address of the chip
+
+Optional properties:
+
+  - interrupt-parent: should be the phandle for the interrupt controller
+  - interrupts: interrupt mapping for GPIO IRQ
+
+Example:
+
+	mma8653fc@1d {
+		compatible = "fsl,mma8653";
+		reg = <0x1d>;
+		interrupt-parent = <&gpio1>;
+		interrupts = <5 0>;
+	};
-- 
2.1.4

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