mantouboji

It is just a DTS error , not assign CS pin . I found it has fixed in Zero2W DTS file of 6.12 kernel , but not in other H616/618 boards

I‘ve made a DTS Overlay for SPI 1.1 interface, now it works. Maybe put into kernel tree further.

I modified the sun50i-h616-spidev1_1 dts file , it seems work. sun50i-h616-spidev1_1.dtbo sun50i-h616-spidev1_1.dtso sun50i-h616-spi-spidev.dtbo sun50i-h616-spi-spidev.dtso

It seems the CS pin is not configured in the dts overlay . I tried to add them and failed.

But maybe I found the mistake: In DT overlay of H616, some developer set spidev devices to compate with "rohm,dh2228fv", maybe he attached a DH2228FV DAC chip? change all of sun50i-h616-spi* dts files to `compatible = "armbian,spi-dev"; `

yeah, SPI in Zero3 can't work, but works in Zero2W .

edge 6.11.9 kernel added symbolic link for overlay

On Zero3， SPI can’t work but on Zero2W, spidev(1,0) can’t work , spidev(1,1) works.

two DTS, one for PPS-GPIO, and one for W1-GPIO, test successful . Maybe someone can intergrate into kernel source tree sun50i-h616-pps-gpio.dts sun50i-h616-w1-gpio.dts

Try this simple DTS file made by myself. sun50i-h616-pps-gpio.dtbo sun50i-h616-pps-gpio.dts

It seems in 6.11.9 has fixed , but made new bug in sunxi64 , dtb path = /boot/dtb/allwinner , not /boot/dtb. so overlay load failed.

I build the latest edge image, and in 6.11.6 this bug still exists. Why the developer remove all -fixup.scr ?

I got it. There is no un8i-h3-fixup.scr in /boot/dtb . All of other *-fixup.scr files are missing . Please fix it .

I don’t build , just only apt full-upgrade .

In the latest update，kenel 6.10.9 changes the layout of dtb overlays , all dtbo in one single folder, no “/boot/dtb/allwinner/overlay” folder. Is it a new feather?