[PATCH v3 1/2] Input: add STMicroelectronics FingerTip touchscreen driver
From: Andi Shyti <hidden>
Date: 2017-03-27 13:08:26
Also in:
linux-devicetree, lkml
Subsystem:
input (keyboard, mouse, joystick, touchscreen) drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Dmitry Torokhov, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Add binding for the STMicroelectronics FingerTip (stmfts) touchscreen driver. Signed-off-by: Andi Shyti <redacted> Reviewed-by: Javier Martinez Canillas <redacted> --- .../bindings/input/touchscreen/st,stmfts.txt | 43 ++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 Documentation/devicetree/bindings/input/touchscreen/st,stmfts.txt
diff --git a/Documentation/devicetree/bindings/input/touchscreen/st,stmfts.txt b/Documentation/devicetree/bindings/input/touchscreen/st,stmfts.txt
new file mode 100644
index 000000000000..9683595cd0f5
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/touchscreen/st,stmfts.txt@@ -0,0 +1,43 @@ +* ST-Microelectronics FingerTip touchscreen controller + +The ST-Microelectronics FingerTip device provides a basic touchscreen +functionality. Along with it the user can enable the touchkey which can work as +a basic HOME and BACK key for phones. + +The driver supports also hovering as an absolute single touch event with x, y, z +coordinates. + +Required properties: +- compatible : must be "st,stmfts" +- reg : I2C slave address, (e.g. 0x49) +- interrupt-parent : the phandle to the interrupt controller which provides + the interrupt +- interrupts : interrupt specification +- avdd-supply : analogic power supply +- vdd-supply : power supply +- touchscreen-size-x : see touchscreen.txt +- touchscreen-size-y : see touchscreen.txt + +Optional properties: +- touch-key-connected : specifies whether the touchkey feature is connected +- ledvdd-supply : power supply to the touch key leds + +Example: + +i2c@00000000 { + + /* ... */ + + touchscreen@49 { + compatible = "st,stmfts"; + reg = <0x49>; + interrupt-parent = <&gpa1>; + interrupts = <1 IRQ_TYPE_NONE>; + touchscreen-size-x = <1599>; + touchscreen-size-y = <2559>; + touch-key-connected; + avdd-supply = <&ldo30_reg>; + vdd-supply = <&ldo31_reg>; + ledvdd-supply = <&ldo33_reg>; + }; +};
--
2.11.0