Re: [PATCH 2/2] dt-bindings: iio: imu: st_lsm6dsx: support open drain mode

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On Wed, 21 Jun 2017 21:21:29 +0200
Lorenzo Bianconi <lorenzo.bianconi83@xxxxxxxxx> wrote:

> Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@xxxxxx>
Given this is a carbon copy of what we already have for the mpu3030 driver
I'm not going to waste Rob or Marks time pestering them for a review.
(obviously one is welcome if it happens to come along!)

Applied to the togreg branch of iio.git and pushed out as testing.

Thanks,

Jonathan
> ---
>  Documentation/devicetree/bindings/iio/imu/st_lsm6dsx.txt | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/iio/imu/st_lsm6dsx.txt b/Documentation/devicetree/bindings/iio/imu/st_lsm6dsx.txt
> index 6f28ff55f3ec..1ff1af799c76 100644
> --- a/Documentation/devicetree/bindings/iio/imu/st_lsm6dsx.txt
> +++ b/Documentation/devicetree/bindings/iio/imu/st_lsm6dsx.txt
> @@ -11,6 +11,14 @@ Required properties:
>  Optional properties:
>  - st,drdy-int-pin: the pin on the package that will be used to signal
>    "data ready" (valid values: 1 or 2).
> +- drive-open-drain: the interrupt/data ready line will be configured
> +  as open drain, which is useful if several sensors share the same
> +  interrupt line. This is a boolean property.
> +  (This binding is taken from pinctrl/pinctrl-bindings.txt)
> +  If the requested interrupt is configured as IRQ_TYPE_LEVEL_HIGH or
> +  IRQ_TYPE_EDGE_RISING a pull-down resistor is needed to drive the line
> +  when it is not active, whereas a pull-up one is needed when interrupt
> +  line is configured as IRQ_TYPE_LEVEL_LOW or IRQ_TYPE_EDGE_FALLING.
>  - interrupt-parent: should be the phandle for the interrupt controller
>  - interrupts: interrupt mapping for IRQ. It should be configured with
>    flags IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_EDGE_RISING, IRQ_TYPE_LEVEL_LOW or

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