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1* Texas Instruments tsc2007 touchscreen controller2 3Required properties:4- compatible: must be "ti,tsc2007".5- reg: I2C address of the chip.6- ti,x-plate-ohms: X-plate resistance in ohms.7 8Optional properties:9- gpios: the interrupt gpio the chip is connected to (through the penirq pin).10 The penirq pin goes to low when the panel is touched.11 (see GPIO binding[1] for more details).12- interrupts: (gpio) interrupt to which the chip is connected13 (see interrupt binding[0]).14- ti,max-rt: maximum pressure.15- ti,fuzzx: specifies the absolute input fuzz x value.16 If set, it will permit noise in the data up to +- the value given to the fuzz17 parameter, that is used to filter noise from the event stream.18- ti,fuzzy: specifies the absolute input fuzz y value.19- ti,fuzzz: specifies the absolute input fuzz z value.20- ti,poll-period: how much time to wait (in milliseconds) before reading again the21 values from the tsc2007.22 23[0]: Documentation/devicetree/bindings/interrupt-controller/interrupts.txt24[1]: Documentation/devicetree/bindings/gpio/gpio.txt25 26Example:27 &i2c1 {28 /* ... */29 tsc2007@49 {30 compatible = "ti,tsc2007";31 reg = <0x49>;32 interrupt-parent = <&gpio4>;33 interrupts = <0x0 0x8>;34 gpios = <&gpio4 0 0>;35 ti,x-plate-ohms = <180>;36 };37 38 /* ... */39 };40