[PATCHv4 3/4] dt-bindings: mfd: da9052: support TSI as ADC
From: Sebastian Reichel <hidden>
Date: 2017-06-30 14:35:40
Also in:
linux-devicetree, linux-hwmon, lkml
Subsystem:
dialog semiconductor drivers, multifunction devices (mfd), open firmware and flattened device tree bindings, the rest · Maintainers:
Support Opensource, Lee Jones, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
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 <redacted> --- 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. + Sub-nodes: - regulators : Contain the regulator nodes. The DA9052/53 regulators are bound using their names as listed below:
--
2.11.0