Processor Expert SoftwareのトピックRe: Adding LVDS Panel with Touch Controller

Adding LVDS Panel with Touch Controller

JK-IMX — Tue, 12 Oct 2021 08:38:25 GMT

Hi NXP

There's a request that Customer would like to solve.

They're trying to add a LVDS panel w/ Touch controller of Synaptic S3385.

Could you please us with Porting Guide to enable device especially focusing on Touch controller part?

This is asked since the NXP' porting guide does not handle the touch controller related part now.

They would like to clarify how to modify dts file to support a new touch device which is connected to I2C1. The interrupt line is connected with GPIO1 as below figure.

Please let us know how to modify dts file to enable S3385 device driver which was provided by Synaptics. i2c and gpio for interrupt and something else.

Re: Adding LVDS Panel with Touch Controller

igorpadykov — Tue, 12 Oct 2021 23:41:54 GMT

Hi James

unfortunately this part is not supported in nxp bsps, may be recommended to look

at boundary devices touch examples:

https://boundarydevices.com/tag/touch-screen/

https://www.digi.com/resources/documentation/digidocs/90002284/reference/bsp/v4-9-cc6_cc6qp/r_touch_screen.htm?TocPath=Digi%20Embedded%20Yocto%7CSystem%20development%7CLinux%20kernel%7CLinux%20%20v4.9%20Board%20Support%20Package%7CDevices%20and%20interfaces%7C_____19

Best regards
igor

Re: Adding LVDS Panel with Touch Controller

JK-IMX — Wed, 13 Oct 2021 01:00:09 GMT

Thanks Igor for your kind reply.

Re: Adding LVDS Panel with Touch Controller

JK-IMX — Thu, 28 Oct 2021 00:24:50 GMT

Hi Igor

Actually I am not able to get appropriate info from the boundary device examples. Hope to add touch I2C controller into Porting guide.

Regards,

Jack