From 3182d4e411578a636c5c8fc4e3cd9caeed421be3 Mon Sep 17 00:00:00 2001 From: Stefan Agner Date: Mon, 25 Jan 2016 15:02:56 -0800 Subject: ARM: dts: imx7d-colibri: add AD7879 device tree node Add device tree node for resistive touch screen controller AD7879. Signed-off-by: Stefan Agner Acked-by: Max Krummenacher --- arch/arm/boot/dts/imx7d-colibri.dts | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) 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 { -- cgit v1.2.3