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Input: ad7879 - add SPI device tree binding example

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Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Michael Hennerich 2017-02-22 10:33:32 -08:00 committed by Dmitry Torokhov
parent 2581e5d104
commit c852270a62
1 changed files with 18 additions and 0 deletions
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18
Documentation/devicetree/bindings/input/touchscreen/ad7879.txt
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@ -52,3 +52,21 @@ Example:
adi,averaging = /bits/ 8 <1>;
adi,conversion-interval = /bits/ 8 <255>;
};
ad7879@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>;
};