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ad7879.txt
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ads7846.txt
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ar1021.txt
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auo_pixcir_ts.txt
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brcm,iproc-touchscreen.txt
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bu21013.txt
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bu21029.txt
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chipone_icn8318.txt
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colibri-vf50-ts.txt
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cypress,cy8ctma140.yaml
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cyttsp.txt
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edt-ft5x06.yaml
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eeti,exc3000.yaml
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eeti.txt
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egalax-ts.txt
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ektf2127.txt
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elan,elants_i2c.yaml
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exc3000.txt
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fsl-mx25-tcq.txt
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goodix.yaml
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hideep.txt
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imx6ul_tsc.txt
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iqs5xx.txt
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lpc32xx-tsc.txt
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max11801-ts.txt
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melfas_mip4.txt
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mms114.txt
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pixcir_i2c_ts.txt
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raspberrypi,firmware-ts.txt
(680 B)
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resistive-adc-touch.txt
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samsung,s6sy761.txt
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silead_gsl1680.txt
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sis_i2c.txt
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sitronix-st1232.txt
(536 B)
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st,stmfts.txt
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stmpe.txt
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sx8654.txt
(542 B)
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ti-tsc-adc.txt
(3.45 KB)
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touchscreen.txt
(21 B)
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touchscreen.yaml
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ts4800-ts.txt
(438 B)
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tsc2005.txt
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tsc2007.txt
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zet6223.txt
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zforce_ts.txt
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Editing: ad7879.txt
* Analog Devices AD7879(-1)/AD7889(-1) touchscreen interface (SPI/I2C) Required properties: - compatible : for SPI slave, use "adi,ad7879" for I2C slave, use "adi,ad7879-1" - reg : SPI chipselect/I2C slave address See spi-bus.txt for more SPI slave properties - interrupts : touch controller interrupt - touchscreen-max-pressure : maximum reported pressure - adi,resistance-plate-x : total resistance of X-plate (for pressure calculation) Optional properties: - touchscreen-swapped-x-y : X and Y axis are swapped (boolean) - adi,first-conversion-delay : 0-12: In 128us steps (starting with 128us) 13 : 2.560ms 14 : 3.584ms 15 : 4.096ms This property has to be a '/bits/ 8' value - adi,acquisition-time : 0: 2us 1: 4us 2: 8us 3: 16us This property has to be a '/bits/ 8' value - adi,median-filter-size : 0: disabled 1: 4 measurements 2: 8 measurements 3: 16 measurements This property has to be a '/bits/ 8' value - adi,averaging : 0: 2 middle values (1 if median disabled) 1: 4 middle values 2: 8 middle values 3: 16 values This property has to be a '/bits/ 8' value - adi,conversion-interval: : 0 : convert one time only 1-255: 515us + val * 35us (up to 9.440ms) This property has to be a '/bits/ 8' value - gpio-controller : Switch AUX/VBAT/GPIO pin to GPIO mode Example: touchscreen0@2c { compatible = "adi,ad7879-1"; reg = <0x2c>; interrupt-parent = <&gpio1>; interrupts = <13 IRQ_TYPE_EDGE_FALLING>; touchscreen-max-pressure = <4096>; adi,resistance-plate-x = <120>; adi,first-conversion-delay = /bits/ 8 <3>; adi,acquisition-time = /bits/ 8 <1>; adi,median-filter-size = /bits/ 8 <2>; adi,averaging = /bits/ 8 <1>; adi,conversion-interval = /bits/ 8 <255>; }; touchscreen1@1 { compatible = "adi,ad7879"; spi-max-frequency = <5000000>; reg = <1>; spi-cpol; spi-cpha; gpio-controller; interrupt-parent = <&gpio1>; interrupts = <13 IRQ_TYPE_EDGE_FALLING>; touchscreen-max-pressure = <4096>; adi,resistance-plate-x = <120>; adi,first-conversion-delay = /bits/ 8 <3>; adi,acquisition-time = /bits/ 8 <1>; adi,median-filter-size = /bits/ 8 <2>; adi,averaging = /bits/ 8 <1>; adi,conversion-interval = /bits/ 8 <255>; };
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