From c852270a62cc07ef900f99ee812c0512f9c3583a Mon Sep 17 00:00:00 2001 From: Michael Hennerich Date: Wed, 22 Feb 2017 10:33:32 -0800 Subject: [PATCH] Input: ad7879 - add SPI device tree binding example Signed-off-by: Michael Hennerich Signed-off-by: Dmitry Torokhov --- .../devicetree/bindings/input/touchscreen/ad7879.txt | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/Documentation/devicetree/bindings/input/touchscreen/ad7879.txt b/Documentation/devicetree/bindings/input/touchscreen/ad7879.txt index 323b609..3c8614c 100644 --- a/Documentation/devicetree/bindings/input/touchscreen/ad7879.txt +++ b/Documentation/devicetree/bindings/input/touchscreen/ad7879.txt @@ -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>; + }; -- 2.7.4