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-rw-r--r--dts/Bindings/input/touchscreen/edt-ft5x06.txt8
-rw-r--r--dts/Bindings/input/touchscreen/focaltech-ft6236.txt35
-rw-r--r--dts/Bindings/input/touchscreen/tsc2005.txt34
3 files changed, 68 insertions, 9 deletions
diff --git a/dts/Bindings/input/touchscreen/edt-ft5x06.txt b/dts/Bindings/input/touchscreen/edt-ft5x06.txt
index 76db96704a..f99528da1b 100644
--- a/dts/Bindings/input/touchscreen/edt-ft5x06.txt
+++ b/dts/Bindings/input/touchscreen/edt-ft5x06.txt
@@ -5,6 +5,7 @@ There are 3 variants of the chip for various touch panel sizes
FT5206GE1 2.8" .. 3.8"
FT5306DE4 4.3" .. 7"
FT5406EE8 7" .. 8.9"
+FT5506EEG 7" .. 8.9"
The software interface is identical for all those chips, so that
currently there is no need for the driver to distinguish between the
@@ -17,6 +18,7 @@ Required properties:
- compatible: "edt,edt-ft5206"
or: "edt,edt-ft5306"
or: "edt,edt-ft5406"
+ or: "edt,edt-ft5506"
- reg: I2C slave address of the chip (0x38)
- interrupt-parent: a phandle pointing to the interrupt controller
@@ -49,7 +51,7 @@ Example:
pinctrl-names = "default";
pinctrl-0 = <&edt_ft5x06_pins>;
interrupt-parent = <&gpio2>;
- interrupts = <5 0>;
- reset-gpios = <&gpio2 6 1>;
- wake-gpios = <&gpio4 9 0>;
+ interrupts = <5 IRQ_TYPE_EDGE_FALLING>;
+ reset-gpios = <&gpio2 6 GPIO_ACTIVE_LOW>;
+ wake-gpios = <&gpio4 9 GPIO_ACTIVE_HIGH>;
};
diff --git a/dts/Bindings/input/touchscreen/focaltech-ft6236.txt b/dts/Bindings/input/touchscreen/focaltech-ft6236.txt
new file mode 100644
index 0000000000..777521da3d
--- /dev/null
+++ b/dts/Bindings/input/touchscreen/focaltech-ft6236.txt
@@ -0,0 +1,35 @@
+* FocalTech FT6236 I2C touchscreen controller
+
+Required properties:
+ - compatible : "focaltech,ft6236"
+ - reg : I2C slave address of the chip (0x38)
+ - interrupt-parent : a phandle pointing to the interrupt controller
+ serving the interrupt for this chip
+ - interrupts : interrupt specification for the touch controller
+ interrupt
+ - reset-gpios : GPIO specification for the RSTN input
+ - touchscreen-size-x : horizontal resolution of touchscreen (in pixels)
+ - touchscreen-size-y : vertical resolution of touchscreen (in pixels)
+
+Optional properties:
+ - touchscreen-fuzz-x : horizontal noise value of the absolute input
+ device (in pixels)
+ - touchscreen-fuzz-y : vertical noise value of the absolute input
+ device (in pixels)
+ - touchscreen-inverted-x : X axis is inverted (boolean)
+ - touchscreen-inverted-y : Y axis is inverted (boolean)
+ - touchscreen-swapped-x-y: X and Y axis are swapped (boolean)
+ Swapping is done after inverting the axis
+
+Example:
+
+ ft6x06@38 {
+ compatible = "focaltech,ft6236";
+ reg = <0x38>;
+ interrupt-parent = <&gpio>;
+ interrupts = <23 2>;
+ touchscreen-size-x = <320>;
+ touchscreen-size-y = <480>;
+ touchscreen-inverted-x;
+ touchscreen-swapped-x-y;
+ };
diff --git a/dts/Bindings/input/touchscreen/tsc2005.txt b/dts/Bindings/input/touchscreen/tsc2005.txt
index 09089a6d69..b80c04b0e5 100644
--- a/dts/Bindings/input/touchscreen/tsc2005.txt
+++ b/dts/Bindings/input/touchscreen/tsc2005.txt
@@ -1,14 +1,15 @@
-* Texas Instruments tsc2005 touchscreen controller
+* Texas Instruments tsc2004 and tsc2005 touchscreen controllers
Required properties:
- - compatible : "ti,tsc2005"
- - reg : SPI device address
- - spi-max-frequency : Maximal SPI speed
+ - compatible : "ti,tsc2004" or "ti,tsc2005"
+ - reg : Device address
- interrupts : IRQ specifier
- - reset-gpios : GPIO specifier
- - vio-supply : Regulator specifier
+ - spi-max-frequency : Maximum SPI clocking speed of the device
+ (for tsc2005)
Optional properties:
+ - vio-supply : Regulator specifier
+ - reset-gpios : GPIO specifier for the controller reset line
- ti,x-plate-ohms : integer, resistance of the touchscreen's X plates
in ohm (defaults to 280)
- ti,esd-recovery-timeout-ms : integer, if the touchscreen does not respond after
@@ -18,6 +19,27 @@ Optional properties:
Example:
+&i2c3 {
+ tsc2004@48 {
+ compatible = "ti,tsc2004";
+ reg = <0x48>;
+ vio-supply = <&vio>;
+
+ reset-gpios = <&gpio4 8 GPIO_ACTIVE_HIGH>;
+ interrupts-extended = <&gpio1 27 IRQ_TYPE_EDGE_RISING>;
+
+ touchscreen-fuzz-x = <4>;
+ touchscreen-fuzz-y = <7>;
+ touchscreen-fuzz-pressure = <2>;
+ touchscreen-size-x = <4096>;
+ touchscreen-size-y = <4096>;
+ touchscreen-max-pressure = <2048>;
+
+ ti,x-plate-ohms = <280>;
+ ti,esd-recovery-timeout-ms = <8000>;
+ };
+}
+
&mcspi1 {
tsc2005@0 {
compatible = "ti,tsc2005";