From: Yegor Yefremov <yegorslists@xxxxxxxxxxxxxx>
Provide description for following properties:
- ti,poll-period
- ti,min-pressure
- ti,vendor
- ti,product
- ti,version
Signed-off-by: Yegor Yefremov <yegorslists@xxxxxxxxxxxxxx>
---
Documentation/devicetree/bindings/mfd/tps6507x.txt | 30 ++++++++++++++++++++--
1 file changed, 28 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/mfd/tps6507x.txt b/Documentation/devicetree/bindings/mfd/tps6507x.txt
index 8fffa3c..eb654ef 100644
--- a/Documentation/devicetree/bindings/mfd/tps6507x.txt
+++ b/Documentation/devicetree/bindings/mfd/tps6507x.txt
@@ -1,4 +1,8 @@
-TPS6507x Power Management Integrated Circuit
+TPS6507x Multifunctional Device.
+
+Features provided by TPS6507x:
+ 1. Power Management Integrated Circuit.
+ 2. Touch-Screen.
Required properties:
- compatible: "ti,tps6507x"
@@ -30,6 +34,23 @@ Regulator Optional properties:
1: If defdcdc pin of DCDC2/DCDC3 is driven HIGH.
If this property is not defined, it defaults to 0 (not enabled).
+Touchscreen Optional properties:
+- ti,poll-period: Time at which touch input is getting sampled in ms.
+ Default value: 30 ms.
+- ti,min-pressure: Minimum pressure value to trigger touch.
+ Default value: 0x30.
+ This property has to be a '/bits/ 16' value
+
+Entries below describe the input_id structure [1] for the touch device:
+- ti,vendor: Touchscreen vendor id.
+ This property has to be a '/bits/ 16' value
+- ti,product: Touchscreen product id.
+ This property has to be a '/bits/ 16' value
+- ti,version: Touchscreen version id.
+ This property has to be a '/bits/ 16' value
+
+[1] include/uapi/linux/input.h
+
Example:
pmu: tps6507x@48 {
@@ -40,6 +61,12 @@ Example:
vindcdc3-supply = <...>;
vinldo1_2-supply = <...>;
+ ti,poll-period = <30>;
+ ti,min-pressure = /bits/ 16 <0x30>;
+ ti,vendor = /bits/ 16 <0>;
+ ti,product = /bits/ 16 <65070>;
+ ti,version = /bits/ 16 <0x100>;
+
regulators {
#address-cells = <1>;
#size-cells = <0>;
@@ -87,5 +114,4 @@ Example:
regulator-boot-on;
};
};
-
};
--
2.1.4
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