Raspberry Pi Config

config.txt

kernel=u-boot-dtok.bin
framebuffer_depth=16

# Prevent the firmware from loading HAT overlays now that we handle pin muxing.
# ourselves. See:
# https://www.raspberrypi.org/documentation/configuration/device-tree.md#part3.4
dtoverlay=

dtparam=i2c_arm=on,i2c_arm_baudrate=400000
dtparam=spi=on
dtparam=audio=on

# pwm and I2S are mutually-exclusive since they share hardware clocks.
dtoverlay=pwm-2chan-with-clk,pin=18,func=2,pin2=13,func2=4
dtoverlay=generic-i2s

start_x=1

# Tell U-boot to always use the "serial0" interface for the console, which is
# set to whichever uart (uart0 or uart1) is set to the header pins. This doesn't
# interfere with the uart selected for Bluetooth.
dtoverlay=chosen-serial0

# Enable skip-init on the UART interfaces, so U-Boot doesn't attempt to
# re-initialize them.
dtoverlay=rpi-uart-skip-init

# Add pin devices to the system for use by the runtime pin configuration driver.
dtoverlay=runtimepinconfig
dtoverlay=uart1
dtoverlay=bcm2710-rpi-3-b-spi0-pin-reorder

# Tell the I2S driver to use the cprman clock.
dtoverlay=bcm2710-rpi-3-b-i2s-use-cprman

# Uncomment to disable serial port on headers, use GPIO14 and GPIO15
# as gpios and to allow the core_freq to change at runtime.
enable_uart=1
core_freq=400

# Support official RPi display.
dtoverlay=i2c-rtc,ds3231
dtoverlay=rpi-ft5406
hdmi_force_hotplug=1

# Set framebuffer to use BGRA colors.
framebuffer_swap=1

# If a display spills off the screen (RPi graphics is larger than monitors),
# set disable_overscan to 0.
disable_overscan=1

# Set gpu memory size enough to render 1080p screen and record 1080p
# camera at the same time.
gpu_mem=256

# LCD Settings
lcd_rotate=2
disable_splash=1