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boards/raspberrypi-4b: Add a configuration with PWM audio

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This configuration has PWM audio output over the audio jack and built-in
examples to play with it.

Signed-off-by: Matteo Golin <matteo.golin@gmail.com>
This commit is contained in:
Matteo Golin 2026-07-08 20:19:27 -04:00 • committed by Xiang Xiao
parent 1971ddd081
commit de8db15fad
1 changed files with 65 additions and 0 deletions
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65
boards/arm64/bcm2711/raspberrypi-4b/configs/audio_tone/defconfig Normal file
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#
# This file is autogenerated: PLEASE DO NOT EDIT IT.
#
# You can use "make menuconfig" to make any modifications to the installed .config file.
# You can then do "make savedefconfig" to generate a new defconfig file that includes your
# modifications.
#
# CONFIG_NDEBUG is not set
CONFIG_ARCH="arm64"
CONFIG_ARCH_ARM64=y
CONFIG_ARCH_BOARD="raspberrypi-4b"
CONFIG_ARCH_BOARD_RASPBERRYPI_4B=y
CONFIG_ARCH_CHIP="bcm2711"
CONFIG_ARCH_CHIP_BCM2711=y
CONFIG_ARCH_EARLY_PRINT=y
CONFIG_ARCH_INTERRUPTSTACK=4096
CONFIG_ARCH_IRQPRIO=y
CONFIG_AUDIO=y
CONFIG_AUDIO_TONE=y
CONFIG_BCM2711_PWM0=y
CONFIG_BCM2711_PWM1=y
CONFIG_BCM2711_PWM=y
CONFIG_BOARD_LOOPSPERMSEC=132954
CONFIG_BUILTIN=y
CONFIG_DEBUG_FEATURES=y
CONFIG_DEBUG_FULLOPT=y
CONFIG_DEBUG_SYMBOLS=y
CONFIG_DEFAULT_TASK_STACKSIZE=8192
CONFIG_DRIVERS_AUDIO=y
CONFIG_EXAMPLES_PWM=y
CONFIG_EXAMPLES_PWM_DEVPATH="/dev/pwm1"
CONFIG_EXPERIMENTAL=y
CONFIG_FS_PROCFS=y
CONFIG_FS_ROMFS=y
CONFIG_HAVE_CXX=y
CONFIG_HAVE_CXXINITIALIZE=y
CONFIG_IDLETHREAD_STACKSIZE=8192
CONFIG_INIT_ENTRYPOINT="nsh_main"
CONFIG_INTELHEX_BINARY=y
CONFIG_NSH_BUILTIN_APPS=y
CONFIG_NSH_FILEIOSIZE=512
CONFIG_NSH_READLINE=y
CONFIG_PREALLOC_TIMERS=4
CONFIG_PTHREAD_STACK_MIN=8192
CONFIG_PWM_NCHANNELS=2
CONFIG_RAMLOG=y
CONFIG_RAM_SIZE=4227858432
CONFIG_RAM_START=0x00000000
CONFIG_RAW_BINARY=y
CONFIG_READLINE_CMD_HISTORY=y
CONFIG_RPI4B_AUDIOJACK=y
CONFIG_RR_INTERVAL=200
CONFIG_SCHED_HPWORK=y
CONFIG_SCHED_HPWORKPRIORITY=192
CONFIG_SPINLOCK=y
CONFIG_STACK_COLORATION=y
CONFIG_START_MONTH=11
CONFIG_START_YEAR=2022
CONFIG_SYMTAB_ORDEREDBYNAME=y
CONFIG_SYSTEM_NSH=y
CONFIG_SYSTEM_SYSTEM=y
CONFIG_TESTING_GETPRIME=y
CONFIG_TESTING_OSTEST=y
CONFIG_USEC_PER_TICK=1000
CONFIG_USERLED=y