- 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,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 -> 144 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
+- 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)
Node name must be stmpe_touchscreen and should be child node of stmpe node to
which it belongs.
keypad, touchscreen, adc, pwm, rotator.
Required properties:
- - compatible : "st,stmpe[610|801|811|1600|1601|2401|2403]"
- - reg : I2C/SPI address of the device
+ - compatible : "st,stmpe[610|801|811|1600|1601|2401|2403]"
+ - reg : I2C/SPI address of the device
Optional properties:
- - interrupts : The interrupt outputs from the controller
- - interrupt-controller : Marks the device node as an interrupt controller
- - wakeup-source : Marks the input device as wakable
- - st,autosleep-timeout : Valid entries (ms); 4, 16, 32, 64, 128, 256, 512 and 1024
- - irq-gpio : If present, which GPIO to use for event IRQ
+ - interrupts : The interrupt outputs from the controller
+ - interrupt-controller : Marks the device node as an interrupt controller
+ - wakeup-source : Marks the input device as wakable
+ - st,autosleep-timeout : Valid entries (ms); 4, 16, 32, 64, 128, 256, 512 and 1024
+ - irq-gpio : If present, which GPIO to use for event IRQ
Example: