Device Tree Overlays for bb.org boards
Shell C Makefile
Pull request Compare This branch is even with RobertCNelson:master.
Latest commit bafc5b0 Jan 6, 2017 @Pillar1989 Pillar1989 committed with RobertCNelson add BB-GREEN-HDMI-00A0.dts

readme.md

Requirements:

Step 1: Clone this repo:

git clone https://github.com/beagleboard/bb.org-overlays
cd ./bb.org-overlays

Step 2: Verify you have the latest (patched) dtc version: (this is only for v4.1.x+ for v3.8.x dtbo's use the older version)

dtc --version
Version: DTC 1.4.1-gXYZXYZXYZ

Upgrade dtc:

./dtc-overlay.sh

Step 3: Install *.dtbo:

./install.sh

Kernel with CONFIG_BONE_CAPEMGR support:

zcat /proc/config.gz | grep CONFIG_BONE_CAPEMGR
CONFIG_BONE_CAPEMGR=y

Pre-built kernels: (there are multiple options avaiable)

cd /opt/scripts/tools
git pull

v4.1.x-ti:

sudo ./update_kernel.sh --lts-4_1 --ti-channel

v4.1.x-ti + Real Time:

sudo ./update_kernel.sh --lts-4_1 --ti-rt-channel

v4.1.x mainline:

sudo ./update_kernel.sh --lts-4_1 --bone-channel

v4.1.x mainline + Real Time:

sudo ./update_kernel.sh --lts-4_1 --bone-rt-channel

v4.4.x mainline:

sudo ./update_kernel.sh --lts-4_4 --bone-channel

v4.4.x mainline + Real Time:

sudo ./update_kernel.sh --lts-4_4 --bone-rt-channel

v4.3.x mainline:

sudo ./update_kernel.sh --testing --bone-channel

capemgr: enable/disable capes on kernel cmdline:

Comma delimited list of PART-NUMBER[:REV] of [enabled/disabled] capes

bone_capemgr.enable_partno=
bone_capemgr.disable_partno=

capemgr: enable/disable capes with slots:

Slots:

debian@beaglebone:~$ cat /sys/devices/platform/bone_capemgr/slots
 0: PF----  -1
 1: PF----  -1
 2: PF----  -1
 3: PF----  -1

Add Device:

sudo sh -c "echo 'BB-UART1' > /sys/devices/platform/bone_capemgr/slots"

[  255.828371] bone_capemgr bone_capemgr: part_number 'BB-UART1', version 'N/A'
[  255.828436] bone_capemgr bone_capemgr: slot #4: override
[  255.828468] bone_capemgr bone_capemgr: Using override eeprom data at slot 4
[  255.828501] bone_capemgr bone_capemgr: slot #4: 'Override Board Name,00A0,Override Manuf,BB-UART1'
[  255.855687] 48022000.serial: ttyS1 at MMIO 0x48022000 (irq = 181, base_baud = 3000000) is a 8250
[  255.856691] bone_capemgr bone_capemgr: slot #4: dtbo 'BB-UART1-00A0.dtbo' loaded; overlay id #0

debian@beaglebone:~$ cat /sys/devices/platform/bone_capemgr/slots
 0: PF----  -1
 1: PF----  -1
 2: PF----  -1
 3: PF----  -1
 4: P-O-L-   0 Override Board Name,00A0,Override Manuf,BB-UART1

Remove Device:

sudo sh -c "echo '-4' > /sys/devices/platform/bone_capemgr/slots"

[  787.808035] bone_capemgr bone_capemgr: Removed slot #4

debian@beaglebone:~$ cat /sys/devices/platform/bone_capemgr/slots
 0: PF----  -1
 1: PF----  -1
 2: PF----  -1
 3: PF----  -1

.config requirements:

BeagleBone DVI-D CAPE (tilcd_tfp410):

# CONFIG_OMAP2_DSS is not set

led:

CONFIG_LEDS_GPIO=m

PWM Backlight:

CONFIG_DRM_TILCDC=m
CONFIG_BACKLIGHT_PWM=m

SPI:

CONFIG_SPI_OMAP24XX=m

BBB compatibility issues:

You can override dtb=x in /boot/uEnv.txt...

BeagleBone Black: HDMI (Audio/Video) disabled:

dtb=am335x-boneblack-emmc-overlay.dtb

BeagleBone Black: eMMC disabled:

dtb=am335x-boneblack-hdmi-overlay.dtb

BeagleBone Black: HDMI Audio/eMMC disabled:

dtb=am335x-boneblack-nhdmi-overlay.dtb

BeagleBone Black: HDMI (Audio/Video)/eMMC disabled:

dtb=am335x-boneblack-overlay.dtb

BB-BONE-DVID-01-00A3.dts

Disable: HDMI & eMMC

BB-BONE-LCD3-01-00A2.dts

Disable: HDMI

BB-BONE-LCD4-01-00A1.dts

Disable: HDMI

BB-BONE-LCD7-01-00A3.dts

Disable: HDMI

BB-UART5-00A0.dts:

Disable: HDMI

Manually Loading Capes:

example: BB-RTC-01-00A0.dts

bone_capemgr.enable_partno=BB-RTC-01

example: BB-BONE-LCD7-01-00A3.dts

bone_capemgr.enable_partno=BB-BONE-LCD7-01:00A3