SK-AM62: About the inability to use the SK-1 touchscreen.

Vic Chang

Intellectual 350 points

Part Number: SK-AM62

I have used the AM62-LP platform with the SK-1 display screen.

SDK version: 09_00_00_03.

It can boot up successfully and display the TI Apps Launcher.

Touchscreen Driver - No data.

over 1 year ago

0 Vic Chang over 1 year ago

Intellectual 350 points

Sorry Part Number is SK-AM62-LP

0 Krunal Bhargav34 over 1 year ago in reply to Vic Chang

TI__Mastermind 44675 points

Hello,

What happens if you run the evtest? As far as I know, there are no regressions in the SDK and touch should be functional. Also, please ensure you are using the correct dtbo: https://git.ti.com/cgit/ti-linux-kernel/ti-linux-kernel/tree/arch/arm64/boot/dts/ti/k3-am62-lp-sk-microtips-mf101hie-panel.dtso?h=ti-linux-6.1.y. There is a similar DTBO for SK-AM62 but the interrupt line is different.

Regards,
Krunal

0 Vic Chang over 1 year ago in reply to Krunal Bhargav34

Intellectual 350 points

HI Krunal Bhargav34

I have confirmed the files loaded in the DTS. And through the Event Test, I have captured relevant screens.

The issue I've currently identified is that the Event Input Device should not be tps65219-pwrbutton;

it should be ILI210X.

uEnv(DTS):

name_overlays=ti/k3-am62-lp-sk-microtips-mf101hie-panel.dtbo

event:

0 Krunal Bhargav34 over 1 year ago in reply to Vic Chang

TI__Mastermind 44675 points

Hello,

Just to confirm, are you saying there is a conflict on touch ic bus? Also, you are observing this on our AM62 LP board using stock SDK?

Regards,

Krunal

+1 Vic Chang over 1 year ago in reply to Krunal Bhargav34

Intellectual 350 points

HI Krunal Bhargav34

AM62X will be replaced with the AM62-LP chip. Development will continue with AM62-LP, and relevant tests and verifications have already been conducted on AM62X.

The Touch functionality and LVDS will be transitioned to AM62-LP, with the goal of aligning it with this E2E article.

SK-AM62: Based on the AM62X using Panel Microtips 13-101HIEB0HF0-S. Validates LVDS display and touch - Processors forum - Processors - TI E2E support forums

Currently, we are using the same SDK as AM62X, and 'Getevent' is a testing tool ported from Android.

We also need to understand the touch IC bus. However, for now, we are looking to clarify if there are any issues with the transition from AM62X to AM62-LP.

0 Vic Chang over 1 year ago in reply to Vic Chang

Intellectual 350 points

HI Krunal Bhargav34

Thank You!

I fix the Issue.