Thank you so much for your precious suggestions! Best Regards, Paolo Cremonese
Il giorno mar 5 gen 2021 alle ore 11:27 Nazım Gediz AYDINDOĞMUŞ < [email protected]> ha scritto: > On 5.01.2021 12:30, Sertac Tüllük wrote: > > I wish to add my two-cents: > > > > There is a way to check if the DTB / DTBO is really recognised / in-use > > by kernel: > > > > > https://unix.stackexchange.com/questions/265890/is-it-possible-to-get-the-information-for-a-device-tree-using-sys-of-a-running > > Today I learned... That's really good to know. So I've tried it. > Apparently there's a directory (or a node? perhaps a tree?) for LRADC. > Full path for it is: > |/proc/device-tree/soc/lradc@1c22800| > > "ls" yields the following result: > |# ls /proc/device-tree/soc/lradc@1c22800/ > button-1000 button-200 interrupts reg vref-supply > button-1200 compatible name status > #| > > An even better thing for Paolo is that it would be guaranteed to know > that if an overlay file is actually loaded. I've simple tweaked "status" > property of the DTS and it's really easy to check like this. > > |# cat /proc/device-tree/soc/lradc@1c22800/status > disabled > > # cat /proc/device-tree/soc/lradc@1c22800/status > okay| > > Apparently most of the files contain binary data, and I've used hexdump > to view them, fyi. > > Thanks, by the way. I hope it'd also help Paolo :) > > > I don't know if this is really valid for LRADC driver, but one can > > basically see like: > > > > |sudo apt-get install device-tree-compiler dtc -I fs -O dts > > /sys/firmware/devicetree/base| > > -- > > Sertac TULLUK > > Electronics Engineer > > +90 532 5683928 > > -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/linux-sunxi/CAO20hp-P0O%2BzC%2BXJrRbmgVB4__q8cF0zYmWraviwOwoxmHuMpw%40mail.gmail.com.
