HI,

Has anyone managed to get the old/original Circuit Co Audio Cape Revision A 
working on the later kernels?

This is the dts file associated with cape board and has worked fine on the 
older 3.x kernels:

BB-BONE-AUDI-01.dts 
<ttps://github.com/beagleboard/devicetree-source/blob/master/arch/arm/boot/dts/BB-BONE-AUDI-01-00A0.dts>

It doesn't seem to be installed/supported as part of the latest 
/lib/firmware directory. 
It compiles ok but when added to uEnv.txt it doesn't work:


debian@beaglebone:~$ sudo /opt/scripts/tools/version.sh  
[sudo] password for debian:  
git:/opt/scripts/:[fe926a6a4cf5805041878d7df82b58c00b4f902e] 
eeprom:[A335BNLTBWA51712EW004800] 
model:[TI_AM335x_BeagleBone_Black_Wireless] 
dogtag:[BeagleBoard.org Debian Buster IoT Image 2020-04-06] 
bootloader:[microSD-(push-button)]:[/dev/mmcblk0]:[U-Boot SPL 
2019.04-00002-g07d5700e21 (Mar 06 2020 - 11:24:55 -0600)]:[location: dd 
MBR] 
bootloader:[microSD-(push-button)]:[/dev/mmcblk0]:[U-Boot 
2019.04-00002-g07d5700e21]:[location: dd MBR] 
bootloader:[eMMC-(default)]:[/dev/mmcblk1]:[U-Boot SPL 
2018.03-00002-gac9cce7c6a (Apr 05 2018 - 13:07:46 -0500)]:[location: dd 
MBR] 
bootloader:[eMMC-(default)]:[/dev/mmcblk1]:[U-Boot 
2018.03-00002-gac9cce7c6a]:[location: dd MBR] 
UBOOT: Booted Device-Tree:[am335x-boneblack-uboot-univ.dts] 
UBOOT: Loaded Overlay:[BB-ADC-00A0] 
UBOOT: Loaded Overlay:[BB-BBBW-WL1835-00A0] 
UBOOT: Loaded Overlay:[BB-BONE-eMMC1-01-00A0] 
UBOOT: Loaded Overlay:[BB-I2C1-FAST-00A0] 
UBOOT: Loaded Overlay:[BB-PWM2-00A0] 
UBOOT: Loaded Overlay:[BB-UART1-00A0] 
UBOOT: Loaded Overlay:[BB-UART2-00A0] 
kernel:[5.4.87-bone-rt-r41] 
nodejs:[v10.15.2] 
/boot/uEnv.txt Settings: 
uboot_overlay_options:[enable_uboot_overlays=1] 
uboot_overlay_options:[disable_uboot_overlay_video=1] 
uboot_overlay_options:[uboot_overlay_addr0=/lib/firmware/BB-UART1-00A0.dtbo] 

uboot_overlay_options:[uboot_overlay_addr1=/lib/firmware/BB-UART2-00A0.dtbo] 

uboot_overlay_options:[uboot_overlay_addr2=/lib/firmware/BB-PWM2-00A0.dtbo] 
uboot_overlay_options:[uboot_overlay_addr3=/lib/firmware/BB-I2C1-FAST-00A0.dtbo]
 

uboot_overlay_options:[dtb_overlay=/lib/firmware/BB-BONE-AUDI-01-00A0.dtbo] 
pkg check: to individually upgrade run: [sudo apt install --only-upgrade 
<pkg>] 
pkg:[bb-cape-overlays]:[4.14.20200403.0-0rcnee0~buster+20200403] 
pkg:[bb-customizations]:[1.20200306.0-0rcnee0~buster+20200306] 
pkg:[bb-usb-gadgets]:[1.20200322.0-0rcnee0~buster+20200322] 
pkg:[bb-wl18xx-firmware]:[1.20200322.0-0rcnee0~buster+20200322] 
pkg:[kmod]:[26-1] 
pkg:[librobotcontrol]:[1.0.4-git20190227.1-0rcnee0~buster+20190327] 
pkg:[firmware-ti-connectivity]:[20190717-2rcnee1~buster+20200305] 
groups:[debian : debian adm kmem dialout cdrom floppy audio dip video 
plugdev users systemd-journal bluetooth netdev i2c gpio pwm eqep remoteproc 
admin spi iio docker 
tisdk weston-launch xenomai cloud9ide] 
cmdline:[console=ttyO0,115200n8 bone_capemgr.uboot_capemgr_enabled=1 
root=/dev/mmcblk0p1 ro rootfstype=ext4 rootwait coherent_pool=1M 
net.ifnames=0 lpj=1990656 rng_cor
e.default_quality=100 quiet] 
dmesg | grep remote 
[    1.933071] remoteproc remoteproc0: wkup_m3 is available 
[    2.109940] remoteproc remoteproc0: powering up wkup_m3 
[    2.109966] remoteproc remoteproc0: Booting fw image 
am335x-pm-firmware.elf, size 217168 
[    2.110232] remoteproc remoteproc0: remote processor wkup_m3 is now up 
dmesg | grep pru 
dmesg | grep pinctrl-single 






*[    1.565521] pinctrl-single 44e10800.pinmux: 142 pins, size 568 [ 
   1.921849] pinctrl-single 44e10800.pinmux: pin PIN18 already requested by 
ocp:P9_14_pinmux; cannot claim for ocp:gpio-leds-cape-audio [    1.921870] 
pinctrl-single 44e10800.pinmux: pin-18 (ocp:gpio-leds-cape-audio) status 
-22 [    1.921881] pinctrl-single 44e10800.pinmux: could not request pin 18 
(PIN18) from group pinmux_bone_audio_cape_led_pins  on device 
pinctrl-single [   43.009888] pinctrl-single 44e10800.pinmux: pin PIN100 
already requested by ocp:P9_31_pinmux; cannot claim for 48038000.mcasp [ 
  43.009914] pinctrl-single 44e10800.pinmux: pin-100 (48038000.mcasp) 
status -22 [   43.009926] pinctrl-single 44e10800.pinmux: could not request 
pin 100 (PIN100) from group pinmux_bone_audio_cape_audio_pins  on device 
pinctrl-single *
dmesg | grep gpio-of-helper 
[    1.577714] gpio-of-helper ocp:cape-universal: ready 
lsusb 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub 
END

****

The BB-BONE-AUDI-02 is supported but uses different pins for the I2S / 
McASP interface.  Also the I2C mapping is different.

Can anyone point me at a working BB-BONE-AUDI-01.dts for the later BBB 
releases?

I've tried editing the original but after several failed attempts, I can't 
get it to mount via alsa.

Many Thanks

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