From 5368b06dba4b911654221f3aad92b3298392a59a Mon Sep 17 00:00:00 2001 From: Sebastian Reichel Date: Mon, 3 Jul 2017 10:39:59 +0200 Subject: 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: Sebastian Reichel Acked-by: Rob Herring Signed-off-by: Lee Jones --- Documentation/devicetree/bindings/mfd/da9052-i2c.txt | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'Documentation/devicetree') 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: -- cgit