[PATCH v2 2/2] dt-bindings: input/touchscreen: add bindings for zinitix

[michael.srba@seznam.cz]

From: Michael Srba <Michael.Srba@seznam.cz>

This patch adds dts bindings for the zinitix bt541 touchscreen.

Signed-off-by: Michael Srba <Michael.Srba@seznam.cz>
Reviewed-by: Rob Herring <robh@kernel.org>
---
 changes since v1: none

 .../bindings/input/touchscreen/zinitix.txt    | 36 +++++++++++++++++++
 .../devicetree/bindings/vendor-prefixes.yaml  |  2 ++
 2 files changed, 38 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/input/touchscreen/zinitix.txt

diff --git a/Documentation/devicetree/bindings/input/touchscreen/zinitix.txt b/Documentation/devicetree/bindings/input/touchscreen/zinitix.txt
new file mode 100644
index 000000000000..250eef2ee907
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/touchscreen/zinitix.txt
@@ -0,0 +1,36 @@
+Device tree bindings for Zinitx BT541 touchscreen controller
+
+Required properties:
+
+ - compatible		: Should be "zinitix,bt541"
+ - reg				: I2C address of the chip. Should be 0x20
+ - interrupts		: Interrupt to which the chip is connected
+
+Optional properties:
+
+ - vdd-supply		: Analog power supply regulator on VCCA pin
+ - vddo-supply		: Digital power supply regulator on VDD pin
+
+The touchscreen-* properties are documented in touchscreen.txt in this
+directory.
+
+Example:
+
+	i2c@00000000 {
+		/* ... */
+
+		bt541@20 {
+			compatible = "zinitix,bt541";
+			reg = <0x20>;
+			interrupt-parent = <&msmgpio>;
+			interrupts = <13 IRQ_TYPE_EDGE_FALLING>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&tsp_default>;
+			vdd-supply = <&reg_vdd_tsp>;
+			vddo-supply = <&pm8916_l6>;
+			touchscreen-size-x = <540>;
+			touchscreen-size-y = <960>;
+		};
+
+		/* ... */
+	};
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index 6992bbbbffab..0db46da36c7d 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -1043,6 +1043,8 @@ patternProperties:
     description: Shenzhen Zidoo Technology Co., Ltd.
   "^zii,.*":
     description: Zodiac Inflight Innovations
+  "^zinitix,.*":
+    description: Zinitix Co., Ltd
   "^zte,.*":
     description: ZTE Corp.
   "^zyxel,.*":
-- 
2.23.0