The development kit uses a TSC2004 chip attached to I2C3.
Signed-off-by: Adam Ford <aford173@xxxxxxxxx>
---
arch/arm/boot/dts/logicpd-torpedo-37xx-devkit.dts | 27 +++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/arch/arm/boot/dts/logicpd-torpedo-37xx-devkit.dts b/arch/arm/boot/dts/logicpd-torpedo-37xx-devkit.dts
index 6854bda..fb13f18 100644
--- a/arch/arm/boot/dts/logicpd-torpedo-37xx-devkit.dts
+++ b/arch/arm/boot/dts/logicpd-torpedo-37xx-devkit.dts
@@ -204,6 +204,12 @@
>;
};
+ tsc2004_pins: pinmux_tsc2004_pins {
+ pinctrl-single,pins = <
+ OMAP3_CORE1_IOPAD(0x2186, PIN_INPUT | MUX_MODE4) /* mcbsp4_dr.gpio_153 */
+ >;
+ };
+
backlight_pins: pinmux_backlight_pins {
pinctrl-single,pins = <
OMAP3_CORE1_IOPAD(0x20B8, PIN_OUTPUT | MUX_MODE4) /* gpmc_ncs5.gpio_56 */
@@ -262,6 +268,27 @@
};
};
+&i2c3 {
+ touchscreen: tsc2004@48 {
+ compatible = "ti,tsc2004";
+ reg = <0x48>;
+ vio-supply = <&vaux1>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&tsc2004_pins>;
+ interrupts-extended = <&gpio5 25 IRQ_TYPE_EDGE_RISING>; /* gpio 153 */
+
+ touchscreen-fuzz-x = <4>;
+ touchscreen-fuzz-y = <7>;
+ touchscreen-fuzz-pressure = <2>;
+ touchscreen-size-x = <4096>;
+ touchscreen-size-y = <4096>;
+ touchscreen-max-pressure = <2048>;
+
+ ti,x-plate-ohms = <280>;
+ ti,esd-recovery-timeout-ms = <8000>;
+ };
+};
+
&uart1 {
interrupts-extended = <&intc 72 &omap3_pmx_core OMAP3_UART1_RX>;
};
--
1.9.1
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