Touch for capacitive-touch-display-7inch-parallel

Technical Support
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7

It worked for me with the following change:

--- a/arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi
+++ b/arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi
@@ -123,10 +123,11 @@
        /* Atmel maxtouch controller */
        atmel_mxt_ts: atmel_mxt_ts@4a {
                compatible = "atmel,maxtouch";
+               pinctrl-0 = <&pinctrl_gpiotouch>;
                reg = <0x4a>;
-               interrupt-parent = <&gpio2>;
-               interrupts = <15 IRQ_TYPE_EDGE_FALLING>;
-               status = "disabled";
+               interrupt-parent = <&gpio1>;
+               interrupts = <9 IRQ_TYPE_EDGE_FALLING>;
+               status = "okay";
        };
 
        touch: touchrevf0710a@10 {
@@ -272,11 +273,11 @@
 };
 
 &pwm2 {
-       status = "okay";
+       status = "disabled";
 };
 
 &pwm3 {
-       status = "okay";
+       status = "disabled";
 };
 
 &pwm4 {
@@ -334,7 +335,7 @@
                pinctrl_gpiotouch: touchgpios {
                        fsl,pins = <
                                MX7D_PAD_GPIO1_IO09__GPIO1_IO9          0x74
-                               MX7D_PAD_GPIO1_IO10__GPIO1_IO10         0x14
+                               MX7D_PAD_GPIO1_IO10__GPIO1_IO10         0x74
                        >;
                };
        };

Also, for the resolution, use the following U-Boot command:

setenv vidargs video='mxsfb:800x480M-16@60,pixclockpol=1'
saveenv

And of course load the module

modprobe atmel_mxt_ts