[PATCH 1/2 v5] iio: magn: DT bindings for AK8974
From: Linus Walleij <hidden>
Date: 2016-07-25 13:54:54
Also in:
linux-iio
Subsystem:
iio subsystem and drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Jonathan Cameron, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
This adds device tree bindings for the AK8974 magnetometer, similar to those for the AK8975. Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: Samu Onkalo <redacted> Cc: Sebastian Reichel <redacted> Cc: Peter Meerwald-Stadler <redacted> Acked-by: Rob Herring <redacted> Signed-off-by: Linus Walleij <redacted> --- ChangeLog v4->v5: - No changes, just resend. ChangeLog v3->v4: - Add support for an optional mounting matrix ChangeLog v2->v3: - No changes, just reposting to keep together with the series ChangeLog v1->v2: - No changes, just reposting to keep together with the series --- .../bindings/iio/magnetometer/ak8974.txt | 29 ++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/magnetometer/ak8974.txt
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>; +};
--
2.7.4