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ARM: dts: imx6ul-isiot-common: Add touchscreen node 

Add touchscreen node as i2c1 slave device on Engicam Is.IoT MX6UL
modules, the touchscreen controlled 'st,stmpe-ts' connected via
i2c with st,stmpe811 mfd interface.

Cc: Matteo Lisi <matteo.lisi@engicam.com>
Cc: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Jagan Teki 2017-03-24 21:48:40 +05:30 committed by Shawn Guo
parent e13d0250e8
commit 35d38f30ee
1 changed files with 34 additions and 0 deletions
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34
arch/arm/boot/dts/imx6ul-isiot-common.dtsi
View File

@ -40,6 +40,34 @@
* OTHER DEALINGS IN THE SOFTWARE.
*/
&i2c1 {
stmpe811: gpio-expander@44 {
compatible = "st,stmpe811";
reg = <0x44>;
#address-cells = <1>;
#size-cells = <0>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_stmpe>;
interrupt-parent = <&gpio1>;
interrupts = <18 IRQ_TYPE_EDGE_FALLING>;
interrupt-controller;
#interrupt-cells = <2>;
stmpe: touchscreen {
compatible = "st,stmpe-ts";
st,sample-time = <4>;
st,mod-12b = <1>;
st,ref-sel = <0>;
st,adc-freq = <1>;
st,ave-ctrl = <1>;
st,touch-det-delay = <2>;
st,settling = <2>;
st,fraction-z = <7>;
st,i-drive = <1>;
};
};
};
&lcdif {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_lcdif_dat
@ -104,4 +132,10 @@
MX6UL_PAD_LCD_DATA17__LCDIF_DATA17 0x79
>;
};
pinctrl_stmpe: stmpegrp {
fsl,pins = <
MX6UL_PAD_UART1_CTS_B__GPIO1_IO18 0x1b0b0
>;
};
};