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| Started by | Eva Rachel Retuya <eraretuya@gmail.com> |
|---|---|
| First post | 2017-03-04 09:40 +0100 |
| Last post | 2017-03-04 18:00 +0100 |
| Articles | 2 — 2 participants |
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[PATCH v6 1/4] dt-bindings: iio: accel: Document ADXL345 accelerometer binding Eva Rachel Retuya <eraretuya@gmail.com> - 2017-03-04 09:40 +0100
Re: [PATCH v6 1/4] dt-bindings: iio: accel: Document ADXL345 accelerometer binding Jonathan Cameron <jic23@kernel.org> - 2017-03-04 18:00 +0100
| From | Eva Rachel Retuya <eraretuya@gmail.com> |
|---|---|
| Date | 2017-03-04 09:40 +0100 |
| Subject | [PATCH v6 1/4] dt-bindings: iio: accel: Document ADXL345 accelerometer binding |
| Message-ID | <thdol-6oj-7@gated-at.bofh.it> |
Add the device tree binding documentation for the ADXL345 3-axis digital
accelerometer.
Signed-off-by: Eva Rachel Retuya <eraretuya@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
---
Change from v5:
* Add Rob's Acked-by tag
.../devicetree/bindings/iio/accel/adxl345.txt | 38 ++++++++++++++++++++++
1 file changed, 38 insertions(+)
create mode 100644 Documentation/devicetree/bindings/iio/accel/adxl345.txt
diff --git a/Documentation/devicetree/bindings/iio/accel/adxl345.txt b/Documentation/devicetree/bindings/iio/accel/adxl345.txt
new file mode 100644
index 0000000..e7111b0
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/accel/adxl345.txt
@@ -0,0 +1,38 @@
+Analog Devices ADXL345 3-Axis, +/-(2g/4g/8g/16g) Digital Accelerometer
+
+http://www.analog.com/en/products/mems/accelerometers/adxl345.html
+
+Required properties:
+ - compatible : should be "adi,adxl345"
+ - reg : the I2C address or SPI chip select number of the sensor
+
+Required properties for SPI bus usage:
+ - spi-max-frequency : set maximum clock frequency, must be 5000000
+ - spi-cpol and spi-cpha : must be defined for adxl345 to enable SPI mode 3
+
+Optional properties:
+ - interrupt-parent : phandle to the parent interrupt controller as documented
+ in Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
+ - interrupts: interrupt mapping for IRQ as documented in
+ Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
+
+Example for a I2C device node:
+
+ accelerometer@2a {
+ compatible = "adi,adxl345";
+ reg = <0x53>;
+ interrupt-parent = <&gpio1>;
+ interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
+ };
+
+Example for a SPI device node:
+
+ accelerometer@0 {
+ compatible = "adi,adxl345";
+ reg = <0>;
+ spi-max-frequency = <5000000>;
+ spi-cpol;
+ spi-cpha;
+ interrupt-parent = <&gpio1>;
+ interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
+ };
--
2.7.4
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| From | Jonathan Cameron <jic23@kernel.org> |
|---|---|
| Date | 2017-03-04 18:00 +0100 |
| Subject | Re: [PATCH v6 1/4] dt-bindings: iio: accel: Document ADXL345 accelerometer binding |
| Message-ID | <thlce-3Bp-7@gated-at.bofh.it> |
| In reply to | #1592425 |
On 04/03/17 08:31, Eva Rachel Retuya wrote:
> Add the device tree binding documentation for the ADXL345 3-axis digital
> accelerometer.
>
> Signed-off-by: Eva Rachel Retuya <eraretuya@gmail.com>
> Acked-by: Rob Herring <robh@kernel.org>
Applied to the togreg branch of iio.git and pushed out as testing for
the autobuilders to play with.
Thanks,
Jonathan
> ---
> Change from v5:
> * Add Rob's Acked-by tag
>
> .../devicetree/bindings/iio/accel/adxl345.txt | 38 ++++++++++++++++++++++
> 1 file changed, 38 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/iio/accel/adxl345.txt
>
> diff --git a/Documentation/devicetree/bindings/iio/accel/adxl345.txt b/Documentation/devicetree/bindings/iio/accel/adxl345.txt
> new file mode 100644
> index 0000000..e7111b0
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/accel/adxl345.txt
> @@ -0,0 +1,38 @@
> +Analog Devices ADXL345 3-Axis, +/-(2g/4g/8g/16g) Digital Accelerometer
> +
> +http://www.analog.com/en/products/mems/accelerometers/adxl345.html
> +
> +Required properties:
> + - compatible : should be "adi,adxl345"
> + - reg : the I2C address or SPI chip select number of the sensor
> +
> +Required properties for SPI bus usage:
> + - spi-max-frequency : set maximum clock frequency, must be 5000000
> + - spi-cpol and spi-cpha : must be defined for adxl345 to enable SPI mode 3
> +
> +Optional properties:
> + - interrupt-parent : phandle to the parent interrupt controller as documented
> + in Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
> + - interrupts: interrupt mapping for IRQ as documented in
> + Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
> +
> +Example for a I2C device node:
> +
> + accelerometer@2a {
> + compatible = "adi,adxl345";
> + reg = <0x53>;
> + interrupt-parent = <&gpio1>;
> + interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
> + };
> +
> +Example for a SPI device node:
> +
> + accelerometer@0 {
> + compatible = "adi,adxl345";
> + reg = <0>;
> + spi-max-frequency = <5000000>;
> + spi-cpol;
> + spi-cpha;
> + interrupt-parent = <&gpio1>;
> + interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
> + };
>
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