linux-kernel - Re: [PATCHv5 2/6] dt-bindings: mfd: da9052: support TSI as ADC

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Message-ID: <20170717143153.66jzgfleyffn52rj@dell>
Date:   Mon, 17 Jul 2017 15:31:53 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     Sebastian Reichel <sebastian.reichel@...labora.co.uk>
Cc:     Sebastian Reichel <sre@...nel.org>,
        Support Opensource <support.opensource@...semi.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Jean Delvare <jdelvare@...e.com>,
        Guenter Roeck <linux@...ck-us.net>, devicetree@...r.kernel.org,
        linux-hwmon@...r.kernel.org, linux-input@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCHv5 2/6] dt-bindings: mfd: da9052: support TSI as ADC

On Mon, 03 Jul 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@...labora.co.uk>
> ---
>  Documentation/devicetree/bindings/mfd/da9052-i2c.txt | 8 ++++++++
>  1 file changed, 8 insertions(+)

Applied, thanks.

> 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.
> +
>  Sub-nodes:
>  - regulators : Contain the regulator nodes. The DA9052/53 regulators are
>    bound using their names as listed below:

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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