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-rw-r--r--dts/Bindings/input/touchscreen/edt-ft5x06.txt13
-rw-r--r--dts/Bindings/input/touchscreen/goodix.txt14
-rw-r--r--dts/Bindings/input/touchscreen/sitronix-st1232.txt8
-rw-r--r--dts/Bindings/input/touchscreen/stmpe.txt116
-rw-r--r--dts/Bindings/input/touchscreen/sx8654.txt10
-rw-r--r--dts/Bindings/input/touchscreen/ti-tsc-adc.txt8
6 files changed, 135 insertions, 34 deletions
diff --git a/dts/Bindings/input/touchscreen/edt-ft5x06.txt b/dts/Bindings/input/touchscreen/edt-ft5x06.txt
index da2dc5d..870b8c5 100644
--- a/dts/Bindings/input/touchscreen/edt-ft5x06.txt
+++ b/dts/Bindings/input/touchscreen/edt-ft5x06.txt
@@ -1,11 +1,12 @@
FocalTech EDT-FT5x06 Polytouch driver
=====================================
-There are 3 variants of the chip for various touch panel sizes
+There are 5 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"
+FT5726NEI 5.7” .. 11.6"
The software interface is identical for all those chips, so that
currently there is no need for the driver to distinguish between the
@@ -19,6 +20,7 @@ Required properties:
or: "edt,edt-ft5306"
or: "edt,edt-ft5406"
or: "edt,edt-ft5506"
+ or: "evervision,ev-ft5726"
or: "focaltech,ft6236"
- reg: I2C slave address of the chip (0x38)
@@ -42,6 +44,15 @@ Optional properties:
- offset: allows setting the edge compensation in the range from
0 to 31.
+
+ - offset-x: Same as offset, but applies only to the horizontal position.
+ Range from 0 to 80, only supported by evervision,ev-ft5726
+ devices.
+
+ - offset-y: Same as offset, but applies only to the vertical position.
+ Range from 0 to 80, only supported by evervision,ev-ft5726
+ devices.
+
- touchscreen-size-x : See touchscreen.txt
- touchscreen-size-y : See touchscreen.txt
- touchscreen-fuzz-x : See touchscreen.txt
diff --git a/dts/Bindings/input/touchscreen/goodix.txt b/dts/Bindings/input/touchscreen/goodix.txt
index f7e95c5..8cf0b4d 100644
--- a/dts/Bindings/input/touchscreen/goodix.txt
+++ b/dts/Bindings/input/touchscreen/goodix.txt
@@ -3,6 +3,7 @@ Device tree bindings for Goodix GT9xx series touchscreen controller
Required properties:
- compatible : Should be "goodix,gt1151"
+ or "goodix,gt5688"
or "goodix,gt911"
or "goodix,gt9110"
or "goodix,gt912"
@@ -18,11 +19,14 @@ Optional properties:
- irq-gpios : GPIO pin used for IRQ. The driver uses the
interrupt gpio pin as output to reset the device.
- reset-gpios : GPIO pin used for reset
-
- - 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)
+ - touchscreen-inverted-x
+ - touchscreen-inverted-y
+ - touchscreen-size-x
+ - touchscreen-size-y
+ - touchscreen-swapped-x-y
+
+The touchscreen-* properties are documented in touchscreen.txt in this
+directory.
Example:
diff --git a/dts/Bindings/input/touchscreen/sitronix-st1232.txt b/dts/Bindings/input/touchscreen/sitronix-st1232.txt
index 64ad48b..0193732 100644
--- a/dts/Bindings/input/touchscreen/sitronix-st1232.txt
+++ b/dts/Bindings/input/touchscreen/sitronix-st1232.txt
@@ -1,13 +1,17 @@
-* Sitronix st1232 touchscreen controller
+* Sitronix st1232 or st1633 touchscreen controller
Required properties:
-- compatible: must be "sitronix,st1232"
+- compatible: must contain one of
+ * "sitronix,st1232"
+ * "sitronix,st1633"
- reg: I2C address of the chip
- interrupts: interrupt to which the chip is connected
Optional properties:
- gpios: a phandle to the reset GPIO
+For additional optional properties see: touchscreen.txt
+
Example:
i2c@00000000 {
diff --git a/dts/Bindings/input/touchscreen/stmpe.txt b/dts/Bindings/input/touchscreen/stmpe.txt
index 127baa3..c549924 100644
--- a/dts/Bindings/input/touchscreen/stmpe.txt
+++ b/dts/Bindings/input/touchscreen/stmpe.txt
@@ -5,39 +5,105 @@ Required properties:
- compatible: "st,stmpe-ts"
Optional properties:
-- st,sample-time: ADC converstion time in number of clock. (0 -> 36 clocks, 1 ->
- 44 clocks, 2 -> 56 clocks, 3 -> 64 clocks, 4 -> 80 clocks, 5 -> 96 clocks, 6
- -> 144 clocks), recommended is 4.
-- st,mod-12b: ADC Bit mode (0 -> 10bit ADC, 1 -> 12bit ADC)
-- st,ref-sel: ADC reference source (0 -> internal reference, 1 -> external
- reference)
-- st,adc-freq: ADC Clock speed (0 -> 1.625 MHz, 1 -> 3.25 MHz, 2 || 3 -> 6.5 MHz)
-- st,ave-ctrl: Sample average control (0 -> 1 sample, 1 -> 2 samples, 2 -> 4
- samples, 3 -> 8 samples)
-- st,touch-det-delay: Touch detect interrupt delay (0 -> 10 us, 1 -> 50 us, 2 ->
- 100 us, 3 -> 500 us, 4-> 1 ms, 5 -> 5 ms, 6 -> 10 ms, 7 -> 50 ms) recommended
- is 3
-- st,settling: Panel driver settling time (0 -> 10 us, 1 -> 100 us, 2 -> 500 us, 3
- -> 1 ms, 4 -> 5 ms, 5 -> 10 ms, 6 for 50 ms, 7 -> 100 ms) recommended is 2
-- st,fraction-z: Length of the fractional part in z (fraction-z ([0..7]) = Count of
- the fractional part) recommended is 7
-- st,i-drive: current limit value of the touchscreen drivers (0 -> 20 mA typical 35
- mA max, 1 -> 50 mA typical 80 mA max)
+- st,ave-ctrl : Sample average control
+ 0 -> 1 sample
+ 1 -> 2 samples
+ 2 -> 4 samples
+ 3 -> 8 samples
+- st,touch-det-delay : Touch detect interrupt delay (recommended is 3)
+ 0 -> 10 us
+ 1 -> 50 us
+ 2 -> 100 us
+ 3 -> 500 us
+ 4 -> 1 ms
+ 5 -> 5 ms
+ 6 -> 10 ms
+ 7 -> 50 ms
+- st,settling : Panel driver settling time (recommended is 2)
+ 0 -> 10 us
+ 1 -> 100 us
+ 2 -> 500 us
+ 3 -> 1 ms
+ 4 -> 5 ms
+ 5 -> 10 ms
+ 6 -> 50 ms
+ 7 -> 100 ms
+- st,fraction-z : Length of the fractional part in z (recommended is 7)
+ (fraction-z ([0..7]) = Count of the fractional part)
+- st,i-drive : current limit value of the touchscreen drivers
+ 0 -> 20 mA (typical 35mA max)
+ 1 -> 50 mA (typical 80 mA max)
+
+Optional properties common with MFD (deprecated):
+ - st,sample-time : ADC conversion time in number of clock.
+ 0 -> 36 clocks
+ 1 -> 44 clocks
+ 2 -> 56 clocks
+ 3 -> 64 clocks
+ 4 -> 80 clocks (recommended)
+ 5 -> 96 clocks
+ 6 -> 124 clocks
+ - st,mod-12b : ADC Bit mode
+ 0 -> 10bit ADC
+ 1 -> 12bit ADC
+ - st,ref-sel : ADC reference source
+ 0 -> internal
+ 1 -> external
+ - st,adc-freq : ADC Clock speed
+ 0 -> 1.625 MHz
+ 1 -> 3.25 MHz
+ 2 || 3 -> 6.5 MHz
Node name must be stmpe_touchscreen and should be child node of stmpe node to
which it belongs.
+Note that common ADC settings of stmpe_touchscreen (child) will take precedence
+over the settings done in MFD.
+
Example:
+stmpe811@41 {
+ compatible = "st,stmpe811";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_touch_int>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x41>;
+ interrupts = <10 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-parent = <&gpio4>;
+ interrupt-controller;
+ id = <0>;
+ blocks = <0x5>;
+ irq-trigger = <0x1>;
+ /* Common ADC settings */
+ /* 3.25 MHz ADC clock speed */
+ st,adc-freq = <1>;
+ /* 12-bit ADC */
+ st,mod-12b = <1>;
+ /* internal ADC reference */
+ st,ref-sel = <0>;
+ /* ADC converstion time: 80 clocks */
+ st,sample-time = <4>;
+
stmpe_touchscreen {
compatible = "st,stmpe-ts";
- st,sample-time = <4>;
- st,mod-12b = <1>;
- st,ref-sel = <0>;
- st,adc-freq = <1>;
- st,ave-ctrl = <1>;
- st,touch-det-delay = <2>;
- st,settling = <2>;
+ reg = <0>;
+ /* 8 sample average control */
+ st,ave-ctrl = <3>;
+ /* 5 ms touch detect interrupt delay */
+ st,touch-det-delay = <5>;
+ /* 1 ms panel driver settling time */
+ st,settling = <3>;
+ /* 7 length fractional part in z */
st,fraction-z = <7>;
+ /*
+ * 50 mA typical 80 mA max touchscreen drivers
+ * current limit value
+ */
st,i-drive = <1>;
};
+ stmpe_adc {
+ compatible = "st,stmpe-adc";
+ st,norequest-mask = <0x0F>;
+ };
+};
diff --git a/dts/Bindings/input/touchscreen/sx8654.txt b/dts/Bindings/input/touchscreen/sx8654.txt
index 4886c4a..0ebe6dd 100644
--- a/dts/Bindings/input/touchscreen/sx8654.txt
+++ b/dts/Bindings/input/touchscreen/sx8654.txt
@@ -1,10 +1,17 @@
* Semtech SX8654 I2C Touchscreen Controller
Required properties:
-- compatible: must be "semtech,sx8654"
+- compatible: must be one of the following, depending on the model:
+ "semtech,sx8650"
+ "semtech,sx8654"
+ "semtech,sx8655"
+ "semtech,sx8656"
- reg: i2c slave address
- interrupts: touch controller interrupt
+Optional properties:
+ - reset-gpios: GPIO specification for the NRST input
+
Example:
sx8654@48 {
@@ -12,4 +19,5 @@ Example:
reg = <0x48>;
interrupt-parent = <&gpio6>;
interrupts = <3 IRQ_TYPE_EDGE_FALLING>;
+ reset-gpios = <&gpio4 2 GPIO_ACTIVE_LOW>;
};
diff --git a/dts/Bindings/input/touchscreen/ti-tsc-adc.txt b/dts/Bindings/input/touchscreen/ti-tsc-adc.txt
index b1163bf..aad5e34 100644
--- a/dts/Bindings/input/touchscreen/ti-tsc-adc.txt
+++ b/dts/Bindings/input/touchscreen/ti-tsc-adc.txt
@@ -2,7 +2,12 @@
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Required properties:
+- mfd
+ compatible: Should be
+ "ti,am3359-tscadc" for AM335x/AM437x SoCs
+ "ti,am654-tscadc", "ti,am3359-tscadc" for AM654 SoCs
- child "tsc"
+ compatible: Should be "ti,am3359-tsc".
ti,wires: Wires refer to application modes i.e. 4/5/8 wire touchscreen
support on the platform.
ti,x-plate-resistance: X plate resistance
@@ -25,6 +30,9 @@ Required properties:
AIN0 = 0, AIN1 = 1 and so on till AIN7 = 7.
XP = 0, XN = 1, YP = 2, YN = 3.
- child "adc"
+ compatible: Should be
+ "ti,am3359-adc" for AM335x/AM437x SoCs
+ "ti,am654-adc", "ti,am3359-adc" for AM654 SoCs
ti,adc-channels: List of analog inputs available for ADC.
AIN0 = 0, AIN1 = 1 and so on till AIN7 = 7.