I edited uEnv.txt according to the discussion. In particular I added these lines (I also copied my entire uEnv file in this post; see below):
uboot_overlay_addr0=/lib/firmware/BB-SPIDEV0-00A0.dtbo
uboot_overlay_addr1=/lib/firmware/BB-SPIDEV1-00A0.dtbo
but doesn't change anything; after reboot I still can't use "config-pin p9_28 spi_cs" to enable SPI1.
My system: uname -a
Linux beaglebone 4.9.78-ti-r94
I also used "/opt/scripts/tools$ ./version.sh" to get more information (please find full log below) and found some interesting lines:
dmesg | grep pinctrl-single
[ 1.404852] pinctrl-single 44e10800.pinmux: 142 pins at pa f9e10800 size 568
[ 1.648918] pinctrl-single 44e10800.pinmux: pin PIN103 already requested by 481a0000.spi; cannot claim for 48038000.mcasp
[ 1.660206] pinctrl-single 44e10800.pinmux: pin-103 (48038000.mcasp) status -22
[ 1.667697] pinctrl-single 44e10800.pinmux: could not request pin 103 (PIN103) from group mcasp0_pins on device pinctrl-single
-> Pin103 is P9_28.
Any hints what I could try next?
Would really appreciate your help and thank you all in advance!
Best regards,
Marco
##### MY UENV FILE
uname_r=4.9.78-ti-r94
#uuid=
#dtb=
###U-Boot Overlays###
###Master Enable
enable_uboot_overlays=1
###
###Overide capes with eeprom
uboot_overlay_addr0=/lib/firmware/BB-SPIDEV0-00A0.dtbo
uboot_overlay_addr1=/lib/firmware/BB-SPIDEV1-00A0.dtbo
#uboot_overlay_addr2=/lib/firmware/<file2>.dtbo
#uboot_overlay_addr3=/lib/firmware/<file3>.dtbo
###
###Additional custom capes
#uboot_overlay_addr4=/lib/firmware/<file4>.dtbo
#uboot_overlay_addr5=/lib/firmware/<file5>.dtbo
#uboot_overlay_addr6=/lib/firmware/<file6>.dtbo
#uboot_overlay_addr7=/lib/firmware/<file7>.dtbo
###
###Custom Cape
#dtb_overlay=/lib/firmware/<file8>.dtbo
###
###Disable auto loading of virtual capes (emmc/video/wireless/adc)
#disable_uboot_overlay_emmc=1
#disable_uboot_overlay_video=1
#disable_uboot_overlay_audio=1
#disable_uboot_overlay_wireless=1
#disable_uboot_overlay_adc=1
###
###PRUSS OPTIONS
###pru_rproc (4.4.x-ti kernel)
#uboot_overlay_pru=/lib/firmware/AM335X-PRU-RPROC-4-4-TI-00A0.dtbo
###pru_uio (4.4.x-ti & mainline/bone kernel)
#uboot_overlay_pru=/lib/firmware/AM335X-PRU-UIO-00A0.dtbo
###
###Cape Universal Enable
enable_uboot_cape_universal=1
###
###Debug: disable uboot autoload of Cape
#disable_uboot_overlay_addr0=1
#disable_uboot_overlay_addr1=1
#disable_uboot_overlay_addr2=1
#disable_uboot_overlay_addr3=1
###
###U-Boot fdt tweaks... (60000 = 384KB)
#uboot_fdt_buffer=0x60000
###U-Boot Overlays###
cmdline=coherent_pool=1M net.ifnames=0 quiet
====================================================
debian@beaglebone:/opt/scripts/tools$ sudo ./version.sh
git:/opt/scripts/:[5935e83ecaedfd4fd88a4b870ffe5af33ded0617]
eeprom:[A335BNLT00C02215BBBK12B4]
model:[TI_AM335x_BeagleBone_Black]
dogtag:[BeagleBoard.org Debian Image 2018-01-28]
bootloader:[eMMC-(default)]:[/dev/mmcblk1]:[U-Boot 2018.01-00002-g9aa111a004]:[location: dd MBR]
kernel:[4.9.78-ti-r94]
nodejs:[v6.13.0]
uboot_overlay_options:[enable_uboot_overlays=1]
uboot_overlay_options:[uboot_overlay_addr0=/lib/firmware/BB-SPIDEV0-00A0.dtbo]
uboot_overlay_options:[uboot_overlay_addr1=/lib/firmware/BB-SPIDEV1-00A0.dtbo]
uboot_overlay_options:[enable_uboot_cape_universal=1]
pkg:[bb-cape-overlays]:[4.4.20180223.0-0rcnee0~stretch+20180223]
pkg:[bb-wl18xx-firmware]:[1.20170829-0rcnee2~stretch+20180104]
pkg:[firmware-ti-connectivity]:[20170823-1rcnee0~stretch+20170830]
groups:[debian : debian adm kmem dialout cdrom floppy audio dip video plugdev users systemd-journal i2c bluetooth netdev cloud9ide gpio pwm eqep admin spi tisdk weston-launch xenomai]
cmdline:[console=ttyO0,115200n8 bone_capemgr.uboot_capemgr_enabled=1 root=/dev/mmcblk1p1 ro rootfstype=ext4 rootwait coherent_pool=1M net.ifnames=0 quiet]
dmesg | grep pinctrl-single
[ 1.404852] pinctrl-single 44e10800.pinmux: 142 pins at pa f9e10800 size 568
[ 1.648918] pinctrl-single 44e10800.pinmux: pin PIN103 already requested by 481a0000.spi; cannot claim for 48038000.mcasp
[ 1.660206] pinctrl-single 44e10800.pinmux: pin-103 (48038000.mcasp) status -22
[ 1.667697] pinctrl-single 44e10800.pinmux: could not request pin 103 (PIN103) from group mcasp0_pins on device pinctrl-single
dmesg | grep gpio-of-helper
[ 1.405879] gpio-of-helper ocp:cape-universal: ready
END