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| author | Stefan Agner <stefan.agner@toradex.com> | 2016-01-25 15:02:56 -0800 |
|---|---|---|
| committer | Max Krummenacher <max.krummenacher@toradex.com> | 2016-03-09 10:00:30 +0100 |
| commit | 3182d4e411578a636c5c8fc4e3cd9caeed421be3 (patch) | |
| tree | 13d11b50fccbfe71419f554f45d7f86f83c18bcd | |
| parent | 03c54b3976b23782d79b41b77ad10c4739c74fd8 (diff) | |
ARM: dts: imx7d-colibri: add AD7879 device tree node
Add device tree node for resistive touch screen controller AD7879.
Signed-off-by: Stefan Agner <stefan.agner@toradex.com>
Acked-by: Max Krummenacher <max.krummenacher@toradex.com>
| -rw-r--r-- | arch/arm/boot/dts/imx7d-colibri.dts | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/imx7d-colibri.dts b/arch/arm/boot/dts/imx7d-colibri.dts index 0aba9f28a943..77c5704927b3 100644 --- a/arch/arm/boot/dts/imx7d-colibri.dts +++ b/arch/arm/boot/dts/imx7d-colibri.dts @@ -200,8 +200,18 @@ }; ad7879@2c { - compatible = "ad7879"; + compatible = "adi,ad7879-1"; reg = <0x2c>; + interrupt-parent = <&gpio1>; + interrupts = <13 IRQ_TYPE_EDGE_FALLING>; + resistance-plate-x = <120>; + touchscreen-min-pressure = <0>; + touchscreen-max-pressure = <4096>; + first-conversion-delay = /bits/ 8 <3>; /* 512us */ + acquisition-time = /bits/ 8 <1>; /* 4us */ + median-filter-size = /bits/ 8 <2>; /* 8 measurements */ + averaging = /bits/ 8 <1>; /* 4 middle values */ + conversion-interval = /bits/ 8 <255>; /* 9.44ms */ }; pmic@33 { |