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

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Date:	Fri, 19 Jul 2013 15:58:16 +0200
From:	Marek Vasut <marex@...x.de>
To:	Hector Palacios <hector.palacios@...i.com>
Cc:	linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
	devicetree-discuss@...ts.ozlabs.org,
	alexandre.belloni@...e-electrons.com, jic23@...nel.org,
	lars@...afoo.de, fabio.estevam@...escale.com
Subject: Re: [PATCH v2 2/5] ARM: dts: add reference voltage property for MXS LRADC

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@...i.com>
> ---
>  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@...x.de>

Best regards,
Marek Vasut
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