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Re: [PATCHv4 3/4] dt-bindings: mfd: da9052: support TSI as ADC

Started byLee Jones <lee.jones@linaro.org>
First post2017-07-17 12:50 +0200
Last post2017-07-17 13:30 +0200
Articles 2 — 2 participants

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  Re: [PATCHv4 3/4] dt-bindings: mfd: da9052: support TSI as ADC Lee Jones <lee.jones@linaro.org> - 2017-07-17 12:50 +0200
    Re: [PATCHv4 3/4] dt-bindings: mfd: da9052: support TSI as ADC Sebastian Reichel <sebastian.reichel@collabora.co.uk> - 2017-07-17 13:30 +0200

#1688887 — Re: [PATCHv4 3/4] dt-bindings: mfd: da9052: support TSI as ADC

FromLee Jones <lee.jones@linaro.org>
Date2017-07-17 12:50 +0200
SubjectRe: [PATCHv4 3/4] dt-bindings: mfd: da9052: support TSI as ADC
Message-ID<u4bLc-3Tv-7@gated-at.bofh.it>
On Fri, 30 Jun 2017, Sebastian Reichel wrote:

> DA9052 allows using the touchscreen input pins as general purpose
> analogue input pin by wiring analogue inputs to X+, X-, Y+ and Y-
> and providing a reference voltage at TSIREF pin.
> 
> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
> ---
>  Documentation/devicetree/bindings/mfd/da9052-i2c.txt | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/mfd/da9052-i2c.txt b/Documentation/devicetree/bindings/mfd/da9052-i2c.txt
> index 9554292dc6cb..57fa74e65664 100644
> --- a/Documentation/devicetree/bindings/mfd/da9052-i2c.txt
> +++ b/Documentation/devicetree/bindings/mfd/da9052-i2c.txt
> @@ -4,6 +4,14 @@ Required properties:
>  - compatible : Should be "dlg,da9052", "dlg,da9053-aa",
>  			 "dlg,da9053-ab", or "dlg,da9053-bb"
>  
> +Optional properties:
> +- dlg,tsi-as-adc : Boolean, if set the X+, X-, Y+, Y- touchscreen
> +                    input lines are used as general purpose analogue
> +					input.
> +- tsiref-supply: Phandle to the regulator, which provides the reference
> +                 voltage for the TSIREF pin. Must be provided when the
> +			     touchscreen pins are used for ADC purposes.
> +

DT Ack please.

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog

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#1688940

FromSebastian Reichel <sebastian.reichel@collabora.co.uk>
Date2017-07-17 13:30 +0200
Message-ID<u4cnU-4lE-15@gated-at.bofh.it>
In reply to#1688887

[Multipart message — attachments visible in raw view] — view raw

Hi Lee,

On Mon, Jul 17, 2017 at 11:49:45AM +0100, Lee Jones wrote:
> On Fri, 30 Jun 2017, Sebastian Reichel wrote:
> 
> > DA9052 allows using the touchscreen input pins as general purpose
> > analogue input pin by wiring analogue inputs to X+, X-, Y+ and Y-
> > and providing a reference voltage at TSIREF pin.
> > 
> > Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
> > ---
> >  Documentation/devicetree/bindings/mfd/da9052-i2c.txt | 8 ++++++++
> >  1 file changed, 8 insertions(+)
> > 
> > diff --git a/Documentation/devicetree/bindings/mfd/da9052-i2c.txt b/Documentation/devicetree/bindings/mfd/da9052-i2c.txt
> > index 9554292dc6cb..57fa74e65664 100644
> > --- a/Documentation/devicetree/bindings/mfd/da9052-i2c.txt
> > +++ b/Documentation/devicetree/bindings/mfd/da9052-i2c.txt
> > @@ -4,6 +4,14 @@ Required properties:
> >  - compatible : Should be "dlg,da9052", "dlg,da9053-aa",
> >  			 "dlg,da9053-ab", or "dlg,da9053-bb"
> >  
> > +Optional properties:
> > +- dlg,tsi-as-adc : Boolean, if set the X+, X-, Y+, Y- touchscreen
> > +                    input lines are used as general purpose analogue
> > +					input.
> > +- tsiref-supply: Phandle to the regulator, which provides the reference
> > +                 voltage for the TSIREF pin. Must be provided when the
> > +			     touchscreen pins are used for ADC purposes.
> > +
> 
> DT Ack please.

There is a v5 of this series, which has Acked-by from Rob already
and got positive feedback from Guenter Roeck for the hwmon parts:

http://lkml.iu.edu/hypermail/linux/kernel/1707.0/00518.html

(if you received v4, v5 should also be in your INBOX)

-- Sebastian

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