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authorSascha Hauer <s.hauer@pengutronix.de>2017-06-06 08:07:28 +0200
committerSascha Hauer <s.hauer@pengutronix.de>2017-06-06 08:07:28 +0200
commitbb2de9a333d17bb1b048ad208002501226b83f03 (patch)
tree8ef2e876ba43af235c45cb2280885e9c67ba5548 /dts/Bindings/iio/accel
parent79e6629b02fb3a296b5dc70f16dec0f8d415ccf8 (diff)
downloadbarebox-bb2de9a333d17bb1b048ad208002501226b83f03.tar.gz
barebox-bb2de9a333d17bb1b048ad208002501226b83f03.tar.xz
dts: update to v4.12-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/iio/accel')
-rw-r--r--dts/Bindings/iio/accel/adxl345.txt38
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diff --git a/dts/Bindings/iio/accel/adxl345.txt b/dts/Bindings/iio/accel/adxl345.txt
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+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>;
+ };