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Commit 5368b06d authored by Sebastian Reichel's avatar Sebastian Reichel Committed by Lee Jones
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dt-bindings: mfd: da9052: Support TSI as ADC 



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: default avatarSebastian Reichel <sebastian.reichel@collabora.co.uk>
Acked-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
parent 2042f3c2

Documentation/devicetree/bindings/mfd/da9052-i2c.txt

+8 −0
Original line number Diff line number Diff line
@@ -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: