Can you also post the content list of /boot/overlays directory on raspbian On Tue, Nov 17, 2020 at 4:29 PM Chuck Kamas <[email protected]> wrote: > > Raj, > > > Thanks for taking the time to respond. I thought of that too. My custom > Yocto build has the line to turn on the sdio in it: > > > dtoverlay=sdio,poll_once=off > > I have attached the entire file: config.txt.yocto > > However, the Rasbian image does not have any mention of the dtoverlay > for the sdio. Curious. See config.txt attached. > > > Thanks for the help! > > Chuck > > > On 11/17/20 12:08 AM, Khem Raj wrote: > > On Mon, Nov 16, 2020 at 11:43 PM chuck kamas via > > lists.yoctoproject.org <[email protected]> > > wrote: > >> Hi all, > >> > >> > >> I have been spinning my wheels for two days trying to discover how to > >> enable MMC1 on a CM3. This is the one on GPIO22-27. I can boot Rasbian > >> on the CM3 and it inits the MMC1 and its pins just fine. I can > >> read/write to my SD card from it etc. However, when I build yocto it > >> leaves the GPIOS22-27 in gpio mode and does not set them to MMC1 mode. > >> I have tried changing the device tree as described here: > >> > >> https://stackoverflow.com/questions/44702426/how-to-setup-an-own-device-tree-for-a-raspberrypi-in-yocto > >> > >> That compiles and add the .dtbo to my build, but still the GPIOS are not > >> set to MMC1 mode. > >> > >>> cat /sys/kernel/debug/pinctrl/*gpio*/pinmux-pins > >>> Pinmux settings per pin > >>> Format: pin (name): mux_owner gpio_owner hog? > >>> .... > >>> > >>> pin 22 (gpio22): (MUX UNCLAIMED) (GPIO UNCLAIMED) > >>> pin 23 (gpio23): (MUX UNCLAIMED) (GPIO UNCLAIMED) > >>> pin 24 (gpio24): (MUX UNCLAIMED) (GPIO UNCLAIMED) > >>> pin 25 (gpio25): (MUX UNCLAIMED) (GPIO UNCLAIMED) > >>> pin 26 (gpio26): (MUX UNCLAIMED) (GPIO UNCLAIMED) > >>> pin 27 (gpio27): (MUX UNCLAIMED) (GPIO UNCLAIMED) > >>> > >>> ..... > >>> > >> I have looked at: > >> > >> https://ralimtek.com/raspberry%20pi/electronics/software/raspberry_pi_secondary_sd_card/ > >> > >> > >> Any ideas of where to look next to turn on the sdio would be appreciated! > >> > >> > > what does /boot/config.txt look like on raspbian and yocto built images > > > >> Chuck > >> > >> > >> > >> > >>
-=-=-=-=-=-=-=-=-=-=-=- Links: You receive all messages sent to this group. View/Reply Online (#51500): https://lists.yoctoproject.org/g/yocto/message/51500 Mute This Topic: https://lists.yoctoproject.org/mt/78311893/21656 Group Owner: [email protected] Unsubscribe: https://lists.yoctoproject.org/g/yocto/unsub [[email protected]] -=-=-=-=-=-=-=-=-=-=-=-
