On February 5, 2014 4:43:35 AM GMT+00:00, Matt Porter <mporter@xxxxxxxxxx> wrote:
>On Tue, Feb 04, 2014 at 07:14:55PM -0800, Matt Ranostay Matt Ranostay
>wrote:
>> Document compatible string, required and optional DT properties for
>> AS3935 chipset driver.
>>
>> Signed-off-by: Matt Ranostay <mranostay@xxxxxxxxx>
>> ---
>> .../devicetree/bindings/iio/proximity/as3935.txt | 25
>++++++++++++++++++++++
>> 1 file changed, 25 insertions(+)
>> create mode 100644
>Documentation/devicetree/bindings/iio/proximity/as3935.txt
>>
>> diff --git
>a/Documentation/devicetree/bindings/iio/proximity/as3935.txt
>b/Documentation/devicetree/bindings/iio/proximity/as3935.txt
>> new file mode 100644
>> index 0000000..7e117cd
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/iio/proximity/as3935.txt
>> @@ -0,0 +1,25 @@
>> +Austrian Microsystems AS3935 Franklin lightning sensor device driver
>> +
>> +Required properties:
>> + - compatible: must be "ams,as3935"
>
>Change this to "amstaos,as3935"
>
>amstaos (AMS bought Taos) is already a registered vendor prefix in
>vendor-prefixes.txt
It is but has a rather separate presence and is not where people expect to find non light
sensor stuff from ams. I personally would go for a new vendor prefix and stick with ams.
>
>> + - reg: SPI chip select number for the device
>> + - spi-cpha: SPI Mode 1
>
>When using generic binding properties, please reference the binding
>being used. Like:
>
> - spi-cpha: SPI Mode 1. Refer to spi/spi-bus.txt for generic SPI
> slave node bindings.
>
>> + - interrupt-parent : should be the phandle for the interrupt
>controller
>> + - interrupts : interrupt mapping for GPIO IRQ
>
> Refer to interrupt-controller/interrupts.txt for generic
> interrupt client node bindings.
>
>> +
>> +Optional properties:
>> + - ams,tune-cap: Calibration tuning capacitor stepping value 0 - 15.
>> + Range of 0 to 120 pF, 8pF steps. This will require using the
>> + calibration data from the manufacturer.
>> +
>> +
>> +Example:
>> +
>> +as3935@0 {
>> + compatible = "ams,as3935";
>> + reg = <0>;
>> + spi-cpha;
>> + interrupt-parent = <&gpio1>;
>> + interrupts = <16 1>;
>> + ams,tune-cap = /bits/ 8 <10>;
>
>What is this? Why not just ams,tune-cap = <10>; ?
>
>It's a value between 0-15, right?
>
>-Matt
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