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Diffstat (limited to 'Documentation/devicetree/bindings/input/touchscreen/fsl-mx25-tcq.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/input/touchscreen/fsl-mx25-tcq.txt | 34 |
1 files changed, 0 insertions, 34 deletions
diff --git a/Documentation/devicetree/bindings/input/touchscreen/fsl-mx25-tcq.txt b/Documentation/devicetree/bindings/input/touchscreen/fsl-mx25-tcq.txt deleted file mode 100644 index 99d6f9d25335..000000000000 --- a/Documentation/devicetree/bindings/input/touchscreen/fsl-mx25-tcq.txt +++ /dev/null @@ -1,34 +0,0 @@ -Freescale mx25 TS conversion queue module - -mx25 touchscreen conversion queue module which controls the ADC unit of the -mx25 for attached touchscreens. - -Required properties: - - compatible: Should be "fsl,imx25-tcq". - - reg: Memory range of the device. - - interrupts: Should be the interrupt number associated with this module within - the tscadc unit (<0>). - - fsl,wires: Should be '<4>' or '<5>' - -Optional properties: - - fsl,pen-debounce-ns: Pen debounce time in nanoseconds. - - fsl,pen-threshold: Pen-down threshold for the touchscreen. This is a value - between 1 and 4096. It is the ratio between the internal reference voltage - and the measured voltage after the plate was precharged. Resistance between - plates and therefore the voltage decreases with pressure so that a smaller - value is equivalent to a higher pressure. - - fsl,settling-time-ns: Settling time in nanoseconds. The settling time is before - the actual touch detection to wait for an even charge distribution in the - plate. - -This device includes two conversion queues which can be added as subnodes. -The first queue is for the touchscreen, the second for general purpose ADC. - -Example: - tsc: tcq@50030400 { - compatible = "fsl,imx25-tcq"; - reg = <0x50030400 0x60>; - interrupt-parent = <&tscadc>; - interrupts = <0>; - fsl,wires = <4>; - }; |
