Re: [PATCH 5/8] iio: mma8452: add devicetree binding document

From: Mark Rutland
Date: Mon Jul 27 2015 - 10:20:44 EST


On Mon, Jul 27, 2015 at 03:08:12PM +0100, Martin Kepplinger wrote:
> 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@xxxxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Christoph Muellner <christoph.muellner@xxxxxxxxxxxxxxxxxxxxx>
> ---
> .../devicetree/bindings/i2c/trivial-devices.txt | 1 -
> .../devicetree/bindings/iio/accel/mma8452.txt | 21 +++++++++++++++++++++
> 2 files changed, 21 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..8d98e05
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/accel/mma8452.txt
> @@ -0,0 +1,21 @@
> +Freescale MMA8452Q, MMA8453Q, MMA8652FC or MMA8653FC triaxial accelerometer
> +
> +Required properties:
> +
> + - compatible: should be "fsl,mma8653", "fsl,mma8652", "fsl,mma8453" or
> + "fsl,mma8452" respectively.


This would be easier to read/search (and easier to extend in future) if
formatted as a list, e.g.

- compatible: should contain one of:
* "fsl,mma8653"
* "fsl,mma8652"
* "fsl,mma8453"
* "fsl,mma8452"

Mark.

> + - 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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