linux-kernel - Re: [PATCH V4 1/2] dt-bindings: iio: accel: mma8452: add optional power supply property

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Date:   Sun, 16 Dec 2018 10:46:00 +0000
From:   Jonathan Cameron <jic23@...nel.org>
To:     Anson Huang <anson.huang@....com>
Cc:     "knaack.h@....de" <knaack.h@....de>,
        "lars@...afoo.de" <lars@...afoo.de>,
        "pmeerw@...erw.net" <pmeerw@...erw.net>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "martink@...teo.de" <martink@...teo.de>,
        Leonard Crestez <leonard.crestez@....com>,
        "rtresidd@...ctromag.com.au" <rtresidd@...ctromag.com.au>,
        "gustavo@...eddedor.com" <gustavo@...eddedor.com>,
        "linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "festevam@...il.com" <festevam@...il.com>,
        "preid@...ctromag.com.au" <preid@...ctromag.com.au>,
        dl-linux-imx <linux-imx@....com>
Subject: Re: [PATCH V4 1/2] dt-bindings: iio: accel: mma8452: add optional
 power supply property

On Tue, 11 Dec 2018 05:13:14 +0000
Anson Huang <anson.huang@....com> wrote:

> The accelerometer's power supply could be controlled by regulator
> on some platforms, add optional property "vdd/vddio" power supply
> to let device tree to pass phandles to the regulators to driver.
> 
> Signed-off-by: Anson Huang <Anson.Huang@....com>
Applied to the togreg branch of iio.git and pushed out as testing
for the autobuilders to play with it.

I'll not be pushing this out as non rebasing for a week or so
hence plenty of time to add additional reviews.

Thanks,

Jonathan
> ---
>  Documentation/devicetree/bindings/iio/accel/mma8452.txt | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/iio/accel/mma8452.txt b/Documentation/devicetree/bindings/iio/accel/mma8452.txt
> index 2100e9a..e132394 100644
> --- a/Documentation/devicetree/bindings/iio/accel/mma8452.txt
> +++ b/Documentation/devicetree/bindings/iio/accel/mma8452.txt
> @@ -20,6 +20,10 @@ Optional properties:
>    - interrupt-names: should contain "INT1" and/or "INT2", the accelerometer's
>  		     interrupt line in use.
>  
> +  - vdd-supply: phandle to the regulator that provides vdd power to the accelerometer.
> +
> +  - vddio-supply: phandle to the regulator that provides vddio power to the accelerometer.
> +
>  Example:
>  
>  	mma8453fc@1d {