Hi Marek, On Fri, Jun 11, 2021 at 4:20 PM Marek Vasut <marex@xxxxxxx> wrote: > On 6/11/21 3:54 PM, Geert Uytterhoeven wrote: > > While Linux uses a different driver, the Ilitek > > ILI210x/ILI2117/ILI2120/ILI251x touchscreen controller Device Tree > > binding documentation is very similar. > > > > - Drop the fixed reg value, as some controllers use a different > > address, > > - Make reset-gpios optional, as it is not always wired. > > It looks like there are now two drivers for the same hardware, > drivers/input/touchscreen/ili210x.c > drivers/input/touchscreen/ilitek_ts_i2c.c > The ilitek_ts_i2c (newer) seems to be derived from the ilitek example > code / driver, while the ili210x was written from scratch as far as I > can tell. I'm not so sure they're for the same hardware, but you may know better? https://www.displayvisions.us/fileadmin/html-seiten/eng/pdf/zubehoer/ILITek_TP_Programming_Guide_V1.50.pdf lists only Ilitek parts handled by ilitek_ts_i2c.c. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds
