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Diffstat (limited to 'Documentation/devicetree/bindings/input/touchscreen/iqs5xx.txt')
-rw-r--r-- | Documentation/devicetree/bindings/input/touchscreen/iqs5xx.txt | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/Documentation/devicetree/bindings/input/touchscreen/iqs5xx.txt b/Documentation/devicetree/bindings/input/touchscreen/iqs5xx.txt deleted file mode 100644 index efa0820e2469..000000000000 --- a/Documentation/devicetree/bindings/input/touchscreen/iqs5xx.txt +++ /dev/null @@ -1,80 +0,0 @@ -Azoteq IQS550/572/525 Trackpad/Touchscreen Controller - -Required properties: - -- compatible : Must be equal to one of the following: - "azoteq,iqs550" - "azoteq,iqs572" - "azoteq,iqs525" - -- reg : I2C slave address for the device. - -- interrupts : GPIO to which the device's active-high RDY - output is connected (see [0]). - -- reset-gpios : GPIO to which the device's active-low NRST - input is connected (see [1]). - -Optional properties: - -- touchscreen-min-x : See [2]. - -- touchscreen-min-y : See [2]. - -- touchscreen-size-x : See [2]. If this property is omitted, the - maximum x-coordinate is specified by the - device's "X Resolution" register. - -- touchscreen-size-y : See [2]. If this property is omitted, the - maximum y-coordinate is specified by the - device's "Y Resolution" register. - -- touchscreen-max-pressure : See [2]. Pressure is expressed as the sum of - the deltas across all channels impacted by a - touch event. A channel's delta is calculated - as its count value minus a reference, where - the count value is inversely proportional to - the channel's capacitance. - -- touchscreen-fuzz-x : See [2]. - -- touchscreen-fuzz-y : See [2]. - -- touchscreen-fuzz-pressure : See [2]. - -- touchscreen-inverted-x : See [2]. Inversion is applied relative to that - which may already be specified by the device's - FLIP_X and FLIP_Y register fields. - -- touchscreen-inverted-y : See [2]. Inversion is applied relative to that - which may already be specified by the device's - FLIP_X and FLIP_Y register fields. - -- touchscreen-swapped-x-y : See [2]. Swapping is applied relative to that - which may already be specified by the device's - SWITCH_XY_AXIS register field. - -[0]: Documentation/devicetree/bindings/interrupt-controller/interrupts.txt -[1]: Documentation/devicetree/bindings/gpio/gpio.txt -[2]: Documentation/devicetree/bindings/input/touchscreen/touchscreen.txt - -Example: - - &i2c1 { - /* ... */ - - touchscreen@74 { - compatible = "azoteq,iqs550"; - reg = <0x74>; - interrupt-parent = <&gpio>; - interrupts = <17 4>; - reset-gpios = <&gpio 27 1>; - - touchscreen-size-x = <640>; - touchscreen-size-y = <480>; - - touchscreen-max-pressure = <16000>; - }; - - /* ... */ - }; |