Re: RPI4/8GB i2c not working?
Mark Millard via freebsd-arm <[email protected]>
| Newsgroups | gmane.os.freebsd.devel.arm |
|---|---|
| Message-ID | <[email protected]> |
On 2021-Mar-9, at 15:14, Klaus Küchemann via freebsd-arm <freebsd-arm at freebsd.org> wrote: > Am 09.03.2021 um 23:52 schrieb Klaus Küchemann <[email protected]>: >> >> >> >>> Am 09.03.2021 um 19:57 schrieb Mark Murray <[email protected]>: >>> >>> ….FreeBSD-14.0-CURRENT-arm64-aarch64-RPI-20210304-483c6da3a20-257149.img snapshot…... >>> Maybe the IIC device needs to be changed for the 8GB RPi4? Or something? >> >> while I can’t test that because of lack of a i2c-device here for now but: >> snaps don’t seem to have corresponding overlays in it, >> e.g. for an RTC-device : >> >> dtoverlay=i2c-rtc,ds3231 >> >> K. > > … corresponding overlays are here : > https://github.com/raspberrypi/firmware/tree/master/boot/overlays I'll note that if one has been careful to use the tagged firmware and wants to be sure to have matching overlays, then: https://github.com/raspberrypi/firmware/tree/1.20210303/boot/overlays/ is a better alternative for avoiding vintage mismatches. Also, with the modern sysutils/rpi-firmware built and installed, I see i2c-rtc.dtbo as available to copy over: # ls -Tld /usr/local/share/rpi-firmware/overlays/*i2c* -rw-r--r-- 1 root wheel 270 Mar 3 05:29:57 2021 /usr/local/share/rpi-firmware/overlays/i2c-bcm2708.dtbo -rw-r--r-- 1 root wheel 1055 Mar 3 05:29:57 2021 /usr/local/share/rpi-firmware/overlays/i2c-gpio.dtbo -rw-r--r-- 1 root wheel 2185 Mar 3 05:29:57 2021 /usr/local/share/rpi-firmware/overlays/i2c-mux.dtbo -rw-r--r-- 1 root wheel 648 Mar 3 05:29:57 2021 /usr/local/share/rpi-firmware/overlays/i2c-pwm-pca9685a.dtbo -rw-r--r-- 1 root wheel 5680 Mar 3 05:29:57 2021 /usr/local/share/rpi-firmware/overlays/i2c-rtc-gpio.dtbo -rw-r--r-- 1 root wheel 5954 Mar 3 05:29:57 2021 /usr/local/share/rpi-firmware/overlays/i2c-rtc.dtbo -rw-r--r-- 1 root wheel 5336 Mar 3 05:29:57 2021 /usr/local/share/rpi-firmware/overlays/i2c-sensor.dtbo -rw-r--r-- 1 root wheel 1651 Mar 3 05:29:57 2021 /usr/local/share/rpi-firmware/overlays/i2c0.dtbo -rw-r--r-- 1 root wheel 1004 Mar 3 05:29:57 2021 /usr/local/share/rpi-firmware/overlays/i2c1.dtbo -rw-r--r-- 1 root wheel 907 Mar 3 05:29:57 2021 /usr/local/share/rpi-firmware/overlays/i2c3.dtbo -rw-r--r-- 1 root wheel 907 Mar 3 05:29:57 2021 /usr/local/share/rpi-firmware/overlays/i2c4.dtbo -rw-r--r-- 1 root wheel 911 Mar 3 05:29:57 2021 /usr/local/share/rpi-firmware/overlays/i2c5.dtbo -rw-r--r-- 1 root wheel 909 Mar 3 05:29:57 2021 /usr/local/share/rpi-firmware/overlays/i2c6.dtbo -rw-r--r-- 1 root wheel 1353 Mar 3 05:29:57 2021 /usr/local/share/rpi-firmware/overlays/sc16is750-i2c.dtbo -rw-r--r-- 1 root wheel 1353 Mar 3 05:29:57 2021 /usr/local/share/rpi-firmware/overlays/sc16is752-i2c.dtbo But I do not see a *ds3231* there: # ls -Tld /usr/local/share/rpi-firmware/overlays/*ds3231* ls: /usr/local/share/rpi-firmware/overlays/*ds3231*: No such file or directory Nor do I see *ds3231* at: https://github.com/raspberrypi/firmware/tree/1.20210303/boot/overlays/ (May be I've guessed wrong about the ",ds3231" notation's purpose?) === Mark Millard marklmi at yahoo.com ( dsl-only.net went away in early 2018-Mar) _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-arm To unsubscribe, send any mail to "[email protected]"