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authorJonathan Cameron <Jonathan.Cameron@huawei.com>2020-10-31 13:40:52 +0000
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2020-11-16 19:17:20 +0000
commitd08a718742aa90f8ff496fd0916d3ce242c5421b (patch)
tree0aa1feb711f94f77f1281686e77eab6108e92381 /Documentation/devicetree/bindings/iio/proximity/as3935.txt
parentb4be8bd1c6a20113737428fc5583aae8d45290ae (diff)
dt-bindings:iio:proximity:ams,as3935 yaml conversion
A straight forward conversion of this binding. I have added a maximum SPI frequency from the datasheet. Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: Rob Herring <robh@kernel.org> Acked-by: Matt Ranostay <matt.ranostay@konsulko.com> Link: https://lore.kernel.org/r/20201031134110.724233-12-jic23@kernel.org
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-Austrian Microsystems AS3935 Franklin lightning sensor device driver
-
-Required properties:
- - compatible: must be "ams,as3935"
- - reg: SPI chip select number for the device
- - spi-max-frequency: specifies maximum SPI clock frequency
- - spi-cpha: SPI Mode 1. Refer to spi/spi-bus.txt for generic SPI
- slave node bindings.
- - interrupts : the sole interrupt generated by the device
-
- Refer to interrupt-controller/interrupts.txt for generic
- interrupt client node bindings.
-
-Optional properties:
- - ams,tuning-capacitor-pf: Calibration tuning capacitor stepping
- value 0 - 120pF. This will require using the calibration data from
- the manufacturer.
- - ams,nflwdth: Set the noise and watchdog threshold register on
- startup. This will need to set according to the noise from the
- MCU board, and possibly the local environment. Refer to the
- datasheet for the threshold settings.
-
-Example:
-
-as3935@0 {
- compatible = "ams,as3935";
- reg = <0>;
- spi-max-frequency = <400000>;
- spi-cpha;
- interrupt-parent = <&gpio1>;
- interrupts = <16 1>;
- ams,tuning-capacitor-pf = <80>;
- ams,nflwdth = <0x44>;
-};