diff options
| author | Anthoine Bourgeois <anthoine.bourgeois@gmail.com> | 2015-08-05 23:47:09 +0200 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2015-08-06 02:43:09 -0700 |
| commit | ed05637c30e6d13e5793aab64d6a6e57e30228af (patch) | |
| tree | 013b3ba58107fd7100bed3b06d936a7bda1cd4b9 /arch/arm/boot/dts/omap3-devkit8000-lcd-common.dtsi | |
| parent | 98c6d5552d45d4c2308c5890ac8fa70d640e50b8 (diff) | |
ARM: dts: omap3-devkit8000: Add ADS7846 Touchscreen support
This patch is the touchscreen part for LCD screens sold with devkit8000
board.
Signed-off-by: Anthoine Bourgeois <anthoine.bourgeois@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/boot/dts/omap3-devkit8000-lcd-common.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/omap3-devkit8000-lcd-common.dtsi | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/omap3-devkit8000-lcd-common.dtsi b/arch/arm/boot/dts/omap3-devkit8000-lcd-common.dtsi index 332766d12b3a..e84184de2a4a 100644 --- a/arch/arm/boot/dts/omap3-devkit8000-lcd-common.dtsi +++ b/arch/arm/boot/dts/omap3-devkit8000-lcd-common.dtsi @@ -36,3 +36,38 @@ }; }; }; + +&vio { + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; +}; + +&mcspi2 { + + /* touch controller */ + ads7846@0 { + compatible = "ti,ads7846"; + vcc-supply = <&vio>; + + reg = <0>; /* CS0 */ + spi-max-frequency = <1500000>; + + interrupt-parent = <&gpio1>; + interrupts = <27 0>; /* gpio_27 */ + pendown-gpio = <&gpio1 27 0>; + + ti,x-min = /bits/ 16 <0x0>; + ti,x-max = /bits/ 16 <0x0fff>; + ti,y-min = /bits/ 16 <0x0>; + ti,y-max = /bits/ 16 <0x0fff>; + ti,x-plate-ohms = /bits/ 16 <180>; + ti,pressure-max = /bits/ 16 <255>; + ti,debounce-max = /bits/ 16 <10>; + ti,debounce-tol = /bits/ 16 <5>; + ti,debounce-rep = /bits/ 16 <1>; + ti,keep-vref-on = <1>; + ti,settle-delay-usec = /bits/ 16 <150>; + + linux,wakeup; + }; +}; |