# CONFIG_LOCALVERSION_AUTO is not set
CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y
CONFIG_NO_HZ_IDLE=y
CONFIG_HIGH_RES_TIMERS=y
CONFIG_NAMESPACES=y
CONFIG_SCHED_AUTOGROUP=y
CONFIG_SYSCTL_SYSCALL=y
CONFIG_KALLSYMS_ALL=y
CONFIG_BPF_SYSCALL=y
CONFIG_USERFAULTFD=y
CONFIG_EMBEDDED=y
# CONFIG_COMPAT_BRK is not set
CONFIG_SLAB_FREELIST_RANDOM=y
CONFIG_PROFILING=y
CONFIG_JUMP_LABEL=y
CONFIG_CC_STACKPROTECTOR_REGULAR=y
CONFIG_MODULES=y
CONFIG_MODULE_FORCE_LOAD=y
CONFIG_MODULE_UNLOAD=y
CONFIG_MODULE_FORCE_UNLOAD=y
CONFIG_MODVERSIONS=y
CONFIG_PREEMPT=y
CONFIG_HZ_250=y
CONFIG_CPU_FREQ=y
CONFIG_CPU_FREQ_STAT=y
CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE=y
CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
CONFIG_CPU_FREQ_GOV_ONDEMAND=y
CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y
CONFIG_CPUFREQ_DT=y
# CONFIG_ARM_OMAP2PLUS_CPUFREQ is not set
CONFIG_ARM_TI_CPUFREQ=y
CONFIG_CPU_IDLE=y
CONFIG_ARM_CPUIDLE=y
Linux cgroup support is useful for containing Erlang port processes. See
libraries like muontrap.
CONFIG_MEMCG=y
CONFIG_BLK_CGROUP=y
CONFIG_CFS_BANDWIDTH=y
CONFIG_RT_GROUP_SCHED=y
CONFIG_CGROUP_PIDS=y
CONFIG_CGROUP_FREEZER=y
CONFIG_CGROUP_DEVICE=y
CONFIG_CGROUP_CPUACCT=y
CONFIG_CGROUP_PERF=y
CONFIG_OMAP_RESET_CLOCKS=y
CONFIG_SOC_AM33XX=y
CONFIG_SOC_HAS_OMAP2_SDRC=y
CONFIG_ARM_THUMBEE=y
CONFIG_SWP_EMULATE=y
CONFIG_CACHE_L2X0_PMU=y
CONFIG_PL310_ERRATA_588369=y
CONFIG_PL310_ERRATA_727915=y
CONFIG_HAVE_ARM_ARCH_TIMER=y
CONFIG_ARM_PSCI=y
CONFIG_PARTITION_ADVANCED=y
# CONFIG_EFI_PARTITION is not set
CONFIG_SQUASHFS=y
CONFIG_SQUASHFS_FILE_DIRECT=y
CONFIG_SQUASHFS_DECOMP_MULTI_PERCPU=y
CONFIG_TMPFS=y
CONFIG_EXT4_FS=y
CONFIG_FANOTIFY=y
CONFIG_VFAT_FS=y
CONFIG_SQUASHFS=y
# CONFIG_NETWORK_FILESYSTEMS is not set
CONFIG_NLS_DEFAULT="utf8"
CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_CODEPAGE_850=y
CONFIG_NLS_ASCII=y
CONFIG_NLS_ISO8859_1=y
CONFIG_NLS_UTF8=y
I2C, SPI, and GPIO support in user-land.
CONFIG_GPIO_SYSFS=y
CONFIG_I2C_CHARDEV=y
CONFIG_SPI=y
CONFIG_SPI_OMAP24XX=y
CONFIG_SPI_SPIDEV=y
Nerves updated Erlang's heart process to pet the hardware watchdog. This provides an additional level of protection against VM (or other) hangs.
CONFIG_WATCHDOG=y
CONFIG_WATCHDOG_NOWAYOUT=y
CONFIG_WATCHDOG_SYSFS=y
CONFIG_OMAP_WATCHDOG=y
This is needed by nerves_leds
CONFIG_NEW_LEDS=y
CONFIG_LEDS_CLASS=y
CONFIG_LEDS_GPIO=y
CONFIG_LEDS_TRIGGERS=y
CONFIG_LEDS_TRIGGER_TIMER=y
CONFIG_LEDS_TRIGGER_ONESHOT=y
CONFIG_LEDS_TRIGGER_HEARTBEAT=y
CONFIG_LEDS_TRIGGER_GPIO=y
CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
CONFIG_LEDS_TRIGGER_TRANSIENT=y
Most of the Beaglebones have a wired network interface. This enables both it and its PHY driver.
CONFIG_NETDEVICES=y
# CONFIG_NET_VENDOR_ARC is not set
# CONFIG_NET_CADENCE is not set
# CONFIG_NET_VENDOR_BROADCOM is not set
# CONFIG_NET_VENDOR_CIRRUS is not set
# CONFIG_NET_VENDOR_EZCHIP is not set
# CONFIG_NET_VENDOR_FARADAY is not set
# CONFIG_NET_VENDOR_HISILICON is not set
# CONFIG_NET_VENDOR_INTEL is not set
# CONFIG_NET_VENDOR_MARVELL is not set
# CONFIG_NET_VENDOR_MICREL is not set
# CONFIG_NET_VENDOR_MICROCHIP is not set
# CONFIG_NET_VENDOR_NATSEMI is not set
# CONFIG_NET_VENDOR_QUALCOMM is not set
# CONFIG_NET_VENDOR_RENESAS is not set
# CONFIG_NET_VENDOR_ROCKER is not set
# CONFIG_NET_VENDOR_SAMSUNG is not set
# CONFIG_NET_VENDOR_SEEQ is not set
# CONFIG_NET_VENDOR_SMSC is not set
# CONFIG_NET_VENDOR_STMICRO is not set
# CONFIG_NET_VENDOR_SYNOPSYS is not set
CONFIG_TI_CPSW=y
# CONFIG_NET_VENDOR_VIA is not set
# CONFIG_NET_VENDOR_WIZNET is not set
CONFIG_SMSC_PHY=y
The BBGW and BBB Wireless have a TI WiLink 8. We also compile in a variety of USB WiFi dongles for the other BBB boards.
# CONFIG_USB_NET_DRIVERS is not set
CONFIG_RT2X00=m
CONFIG_RT2800USB=m
# CONFIG_RT2800USB_RT33XX is not set
# CONFIG_RT2800USB_RT35XX is not set
CONFIG_RT2800USB_RT53XX=y
# CONFIG_RTL_CARDS is not set
CONFIG_WL_TI=y
CONFIG_WL12XX=m
CONFIG_WL18XX=m
CONFIG_WLCORE_SDIO=m
CONFIG_STAGING=y
CONFIG_R8712U=m
CONFIG_MFD_TI_AM335X_TSCADC=y
CONFIG_IIO=y
CONFIG_TI_AM335X_ADC=y
CONFIG_POWER_AVS=y
CONFIG_POWER_RESET=y
CONFIG_POWER_RESET_GPIO=y
CONFIG_POWER_RESET_GPIO_RESTART=y
CONFIG_POWER_RESET_RESTART=y
CONFIG_POWER_RESET_SYSCON=y
CONFIG_POWER_RESET_SYSCON_POWEROFF=y
CONFIG_THERMAL=y
CONFIG_THERMAL_GOV_FAIR_SHARE=y
CONFIG_THERMAL_GOV_BANG_BANG=y
CONFIG_CPU_THERMAL=y
CONFIG_CLOCK_THERMAL=y
CONFIG_TI_SOC_THERMAL=y
CONFIG_TI_THERMAL=y
CONFIG_REGULATOR_GPIO=y
CONFIG_REGULATOR_PBIAS=y
CONFIG_REGULATOR_TI_ABB=y
CONFIG_REGULATOR_TPS65217=y
The AM335x parts have some interesting PWM capabilities.
CONFIG_PWM=y
CONFIG_PWM_OMAP_DMTIMER=y
CONFIG_PWM_TIECAP=y
CONFIG_PWM_TIEHRPWM=y
The Beaglebones have both a host-only USB interface and a on-the-go (host or gadget) USB interface. The latter interface is used in the default image to provide network and console access. This makes it really easy for beginners to use PocketBeagles and the like since they only need one cable.
CONFIG_USB=y
CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
CONFIG_USB_DYNAMIC_MINORS=y
CONFIG_USB_OTG=y
CONFIG_USB_EHCI_HCD=y
CONFIG_USB_EHCI_ROOT_HUB_TT=y
CONFIG_USB_EHCI_HCD_PLATFORM=y
CONFIG_USB_ACM=y
CONFIG_USB_STORAGE=y
CONFIG_USB_MUSB_HDRC=y
CONFIG_USB_MUSB_DSPS=y
CONFIG_AM335X_PHY_USB=y
CONFIG_USB_GPIO_VBUS=y
CONFIG_USB_ULPI=y
CONFIG_USB_GADGET=y
CONFIG_USB_CDC_COMPOSITE=y
Depending on the device tree setup, there can be 6 UARTs.
# CONFIG_LEGACY_PTYS is not set
CONFIG_SERIAL_8250=y
# CONFIG_SERIAL_8250_DEPRECATED_OPTIONS is not set
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_8250_NR_UARTS=6
CONFIG_SERIAL_8250_RUNTIME_UARTS=6
CONFIG_SERIAL_8250_OMAP=y
CONFIG_SERIAL_OF_PLATFORM=y
Linux has IR remote control support enabled by default, but this is probably not a common use case for Nerves devices.
# CONFIG_RC_CORE is not set