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| author | Jonathan Albrieux <jonathan.albrieux@gmail.com> | 2020-05-28 16:56:04 +0200 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2020-06-14 11:49:25 +0100 |
| commit | ba13993c50f73f2adb9199cf854926a6a4998b1b (patch) | |
| tree | d8154829b9e2ca248cba56602feee4329fc66325 /Documentation/devicetree/bindings/iio/magnetometer | |
| parent | 603375df11bea12a779e54e4690cd6370f169620 (diff) | |
| download | linux-ba13993c50f73f2adb9199cf854926a6a4998b1b.tar.gz | |
dt-bindings: iio: magnetometer: ak8975: reword gpios, add interrupts, fix style
Reword gpios documentation, add interrupt documentation and fix styles.
Update example to use interrupts instead of gpios.
Signed-off-by: Jonathan Albrieux <jonathan.albrieux@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'Documentation/devicetree/bindings/iio/magnetometer')
| -rw-r--r-- | Documentation/devicetree/bindings/iio/magnetometer/ak8975.txt | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/Documentation/devicetree/bindings/iio/magnetometer/ak8975.txt b/Documentation/devicetree/bindings/iio/magnetometer/ak8975.txt index aa67ceb0d4e0..0576b9df0bf2 100644 --- a/Documentation/devicetree/bindings/iio/magnetometer/ak8975.txt +++ b/Documentation/devicetree/bindings/iio/magnetometer/ak8975.txt @@ -2,21 +2,28 @@ Required properties: - - compatible : should be "asahi-kasei,ak8975" - - reg : the I2C address of the magnetometer + - compatible : should be "asahi-kasei,ak8975". + - reg : the I2C address of the magnetometer. Optional properties: - - gpios : should be device tree identifier of the magnetometer DRDY pin - - vdd-supply: an optional regulator that needs to be on to provide VDD - - mount-matrix: an optional 3x3 mounting rotation matrix + - gpios : AK8975 has a "Data ready" pin (DRDY) which informs that data + is ready to be read and is possible to listen on it. If used, + this should be active high. Prefer interrupt over this. + + - interrupts : interrupt for DRDY pin. Triggered on rising edge. + + - vdd-supply: an optional regulator that needs to be on to provide VDD. + + - mount-matrix: an optional 3x3 mounting rotation matrix. Example: ak8975@c { compatible = "asahi-kasei,ak8975"; reg = <0x0c>; - gpios = <&gpj0 7 0>; + interrupt-parent = <&gpio6>; + interrupts = <15 IRQ_TYPE_EDGE_RISING>; vdd-supply = <&ldo_3v3_gnss>; mount-matrix = "-0.984807753012208", /* x0 */ "0", /* y0 */ |