Date: Tue, 12 Jul 2022 06:27:25 +0300 From: Nick Kostyria <nick@i11.co> To: "Dr. Rolf Jansen" <freebsd-rj@cyclaero.com> Cc: freebsd-arm <freebsd-arm@freebsd.org> Subject: Re: path for overlays Message-ID: <20220712032725.49684889@thinkbook> In-Reply-To: <FADF0E7F-BB60-4A4A-B227-87CA912841AE@cyclaero.com> References: <YsuIZS0/IrLjsVvR@phouka1.phouka.net> <FADF0E7F-BB60-4A4A-B227-87CA912841AE@cyclaero.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On Mon, 11 Jul 2022 00:18:59 -0300 "Dr. Rolf Jansen" <freebsd-rj@cyclaero.com> wrote: > > Anyway, for enabling I2C5 (we may choose from I2C3, I2C4, I2C5 and I2C6) on a Raspberry Pi 4, we do: > > # fetch https://github.com/raspberrypi/linux/blob/rpi-5.15.y/arch/arm/boot/dts/overlays/i2c5-overlay.dts > # dtc -I dts -O dtb -b0 -@ -o /boot/msdos/overlays/i2c5.dtbo i2c5-overlay.dts > > Then we add the following 2 lines to /boot/msdos/config.txt: > > gpio=12,13=a5 > dtoverlay=i2c5,pins_12_13 > Hello. I see you use /boot/msdos/overlays/ for overlays. I have a question for a long time and I can't find an answer. What is the difference between /boot/msdos/overlays/ and /boot/dtb/overlays/ (fdt_overlays in /boot/loader.conf). What is more correct? What should be used? /boot/msdos/overlays/ or /boot/dtb/overlays/ /boot/msdos/config.txt or /boot/loader.conf Thanks.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20220712032725.49684889>