Thread (16 messages) 16 messages, 4 authors, 2017-07-18

Re: [PATCHv5 2/6] dt-bindings: mfd: da9052: support TSI as ADC

flat view

From: Lee Jones <hidden>
Date: 2017-07-17 14:32:11
Also in: linux-hwmon, linux-input, lkml

On Mon, 03 Jul 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-ZGY8ohtN/8pPYcu2f3hruQ@public.gmane.org>
---
 Documentation/devicetree/bindings/mfd/da9052-i2c.txt | 8 ++++++++
 1 file changed, 8 insertions(+)
Applied, thanks.
quoted hunk ↗ jump to hunk
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:
-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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