From: Eva Rachel Retuya <eraretuya@gmail.com>
To: jic23@kernel.org, linux-iio@vger.kernel.org
Cc: knaack.h@gmx.de, lars@metafoo.de, pmeerw@pmeerw.net,
dmitry.torokhov@gmail.com, michael.hennerich@analog.com,
daniel.baluta@gmail.com, amsfield22@gmail.com,
florian.vaussard@heig-vd.ch, linux-kernel@vger.kernel.org,
robh+dt@kernel.org, mark.rutland@arm.com,
devicetree@vger.kernel.org,
Eva Rachel Retuya <eraretuya@gmail.com>
Subject: [PATCH v5 1/4] dt-bindings: iio: accel: Document ADXL345 accelerometer binding
Date: Tue, 28 Feb 2017 10:37:16 +0800 [thread overview]
Message-ID: <dec0c0561b579095dfc6d67fac4bf911a1b450f4.1488248485.git.eraretuya@gmail.com> (raw)
In-Reply-To: <cover.1488248485.git.eraretuya@gmail.com>
In-Reply-To: <cover.1488248485.git.eraretuya@gmail.com>
Add the device tree binding documentation for the ADXL345 3-axis digital
accelerometer.
Signed-off-by: Eva Rachel Retuya <eraretuya@gmail.com>
---
Changes from v4:
* Update subject-prefix
* Update node name from "adxl345@unit-address" to "accelerometer@unit-address"
.../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
next prev parent reply other threads:[~2017-02-28 2:38 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-28 2:37 [PATCH v5 0/4] iio: accel: adxl345: Split driver into core and I2C then add SPI support Eva Rachel Retuya
2017-02-28 2:37 ` Eva Rachel Retuya [this message]
2017-03-03 6:20 ` [PATCH v5 1/4] dt-bindings: iio: accel: Document ADXL345 accelerometer binding Rob Herring
2017-02-28 2:37 ` [PATCH v5 2/4] iio: accel: adxl345: Use I2C regmap instead of direct I2C access Eva Rachel Retuya
2017-03-03 16:44 ` Andy Shevchenko
2017-03-04 5:52 ` Eva Rachel Retuya
2017-02-28 2:37 ` [PATCH v5 3/4] iio: accel: adxl345: Split driver into core and I2C Eva Rachel Retuya
2017-03-03 16:51 ` Andy Shevchenko
2017-03-04 5:56 ` Eva Rachel Retuya
2017-02-28 2:37 ` [PATCH v5 4/4] iio: accel: adxl345: Add SPI support Eva Rachel Retuya
2017-03-03 16:55 ` Andy Shevchenko
2017-03-04 6:00 ` Eva Rachel Retuya
2017-03-01 23:22 ` [PATCH v5 0/4] iio: accel: adxl345: Split driver into core and I2C then add " Andy Shevchenko
2017-03-02 3:02 ` Eva Rachel Retuya
2017-03-02 19:59 ` Jonathan Cameron
2017-03-03 16:57 ` Andy Shevchenko
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