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

Lee Jones
2017-07-17T10:49:49Z

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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