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ARM: dts: omap3-devkit8000: Add ADS7846 Touchscreen support

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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>
This commit is contained in:
Anthoine Bourgeois
2015-08-05 23:47:09 +02:00
committed by Tony Lindgren
parent 98c6d5552d
commit ed05637c30
1 changed files with 35 additions and 0 deletions
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35
arch/arm/boot/dts/omap3-devkit8000-lcd-common.dtsi
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@@ -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;
};
};