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ARM: dts: logicpd-som-lv: Enable Touchscreen controller

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The OMAP35 and DM3730 SOM-LV contains a TSC2004 touch screen
controller connected to I2C3. This patch adds support for this
controller.

Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Adam Ford 2018-03-28 10:51:35 -05:00 committed by Tony Lindgren
parent 60cc43fc88
commit 121685b146
1 changed files with 25 additions and 0 deletions
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25
arch/arm/boot/dts/logicpd-som-lv.dtsi
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@ -91,6 +91,25 @@
pinctrl-names = "default"; pinctrl-names = "default";
pinctrl-0 = <&i2c2_pins>; pinctrl-0 = <&i2c2_pins>;
clock-frequency = <400000>; clock-frequency = <400000>;
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>;
};
}; };
&i2c3 { &i2c3 {
@ -201,6 +220,12 @@
OMAP3_CORE1_IOPAD(0x21bc, PIN_INPUT | MUX_MODE0) /* i2c1_sda.i2c1_sda */ OMAP3_CORE1_IOPAD(0x21bc, PIN_INPUT | MUX_MODE0) /* i2c1_sda.i2c1_sda */
>; >;
}; };
tsc2004_pins: pinmux_tsc2004_pins {
pinctrl-single,pins = <
OMAP3_CORE1_IOPAD(0x2186, PIN_INPUT | MUX_MODE4) /* mcbsp4_dr.gpio_153 */
>;
};
}; };
&omap3_pmx_wkup { &omap3_pmx_wkup {