diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2016-07-25 15:54:54 +0200 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2016-08-15 16:49:37 +0100 |
| commit | bcdf177d046c13db727c80ac9023b916dd878f8f (patch) | |
| tree | 923a5c5e1f1e4a5f9b2e4ac50a35adca994c5dee /Documentation | |
| parent | 3b8df5fd526e70e8c89e47e3fcb253b80f6192f6 (diff) | |
iio: magn: DT bindings for AK8974
This adds device tree bindings for the AK8974 magnetometer, similar
to those for the AK8975.
Cc: devicetree@vger.kernel.org
Cc: Samu Onkalo <samu.onkalo@intel.com>
Cc: Sebastian Reichel <sre@kernel.org>
Cc: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/iio/magnetometer/ak8974.txt | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iio/magnetometer/ak8974.txt b/Documentation/devicetree/bindings/iio/magnetometer/ak8974.txt new file mode 100644 index 000000000000..77d5aba1bd8c --- /dev/null +++ b/Documentation/devicetree/bindings/iio/magnetometer/ak8974.txt @@ -0,0 +1,29 @@ +* Asahi Kasei AK8974 magnetometer sensor + +Required properties: + +- compatible : should be "asahi-kasei,ak8974" +- reg : the I2C address of the magnetometer + +Optional properties: + +- avdd-supply: regulator supply for the analog voltage + (see regulator/regulator.txt) +- dvdd-supply: regulator supply for the digital voltage + (see regulator/regulator.txt) +- interrupts: data ready (DRDY) and interrupt (INT1) lines + from the chip, the DRDY interrupt must be placed first. + The interrupts can be triggered on rising or falling + edges alike. +- mount-matrix: an optional 3x3 mounting rotation matrix + +Example: + +ak8974@0f { + compatible = "asahi-kasei,ak8974"; + reg = <0x0f>; + avdd-supply = <&foo_reg>; + dvdd-supply = <&bar_reg>; + interrupts = <0 IRQ_TYPE_EDGE_RISING>, + <1 IRQ_TYPE_EDGE_RISING>; +}; |