From 121685b146247c47345116fce9ef5628e4e6cfff Mon Sep 17 00:00:00 2001 From: Adam Ford Date: Wed, 28 Mar 2018 10:51:35 -0500 Subject: [PATCH] ARM: dts: logicpd-som-lv: Enable Touchscreen controller 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 Signed-off-by: Tony Lindgren --- arch/arm/boot/dts/logicpd-som-lv.dtsi | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/arch/arm/boot/dts/logicpd-som-lv.dtsi b/arch/arm/boot/dts/logicpd-som-lv.dtsi index b47cac2..5957943 100644 --- a/arch/arm/boot/dts/logicpd-som-lv.dtsi +++ b/arch/arm/boot/dts/logicpd-som-lv.dtsi @@ -91,6 +91,25 @@ pinctrl-names = "default"; pinctrl-0 = <&i2c2_pins>; 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 { @@ -201,6 +220,12 @@ 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 { -- 2.7.4