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

[Lee Jones <lee.jones@linaro.org>]

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
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