Re: [PATCH v2 2/5] ARM: dts: add reference voltage property for MXS LRADC

From: Marek Vasut
Date: Fri Jul 19 2013 - 09:58:22 EST


Dear Hector Palacios,

> Some LRADC channels have fixed pre-dividers so they can measure
> different voltages at full scale. The reference voltage allows to
> expose a scaling attribute through the IIO sysfs so that a user can
> compute the real voltage out of a measured sample value.
>
> Signed-off-by: Hector Palacios <hector.palacios@xxxxxxxx>
> ---
> Documentation/devicetree/bindings/staging/iio/adc/mxs-lradc.txt | 9
> ++++++++- arch/arm/boot/dts/imx23.dtsi
> | 4 ++++ arch/arm/boot/dts/imx28.dtsi |
> 4 ++++ 3 files changed, 16 insertions(+), 1 deletion(-)
>
> diff --git
> a/Documentation/devicetree/bindings/staging/iio/adc/mxs-lradc.txt
> b/Documentation/devicetree/bindings/staging/iio/adc/mxs-lradc.txt index
> 4688205..6ec485c 100644
> --- a/Documentation/devicetree/bindings/staging/iio/adc/mxs-lradc.txt
> +++ b/Documentation/devicetree/bindings/staging/iio/adc/mxs-lradc.txt
> @@ -1,9 +1,12 @@
> * Freescale i.MX28 LRADC device driver
>
> Required properties:
> -- compatible: Should be "fsl,imx28-lradc"
> +- compatible: "fsl,imx28-lradc", "fsl,imx23-lradc"

This is a separate fix, but I think it's not that important to rework the whole
patchset because of it.

Acked-by: Marek Vasut <marex@xxxxxxx>

Best regards,
Marek Vasut
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