#=======================================================================#
#									#
#	  For more information about general configuration see		#
#    rpf.io/configtxt and for information about config.txt file see	#
#	www.raspberrypi.com/documentation/computers/config_txt.html	#
#	     Some settings may impact device functionality.		#
#    See link's above for details, additional overlays and parameter	#
#		  are documented /boot/overlays/README			#
#									#
#		      LAST UPDATE 2023/03/22 05:05			#
#									#
#		     PERSONALIZED TO RASPBRRY PI 4B			#
#=======================================================================#

# System setup
arm_64bit=1
arm_freq=1800
arm_boost=1
avoid_warnings=2
temp_limit=55

# Change output current limit (for all 4 USB ports combined)
# from 600mA to double that, 1200mA
max_usb_current=1

# Display configuration
[HDMI:0]
#[HDMI:1]
hdmi_enable_4kp60=1
max_framebuffer_height=1920
max_framebuffer_width=1080
hdmi_group=2
hdmi_mode=87
hdmi_timings=1080 0 112 16 160 1920 0 4 10 10 0 0 0 60 0 140000000 3
extra_transpose_buffer=2
total_mem=8192
gpu_mem=256

# Enable DRM VC4 V3D KMS driver
dtoverlay=vc4-fkms-v3d
max_framebuffers=2
disable_overscan=1

# Enable composite output
#enable_tvout=1

# Uncomment to increase signal to HDMI, values between 0 and 11.
# Model B and A default=2, B+=5, ignored on the Pi 4
#config_hdmi_boost=4

# Uncomment if you get no picture on HDMI for a default "safe" mode
#hdmi_safe=1

# Enable audio (loads snd_bcm2835)
dtparam=audio=on

# Automatically load overlays for detected DSI displays
#display_auto_detect=1

# Force console size, default is display's size minus overscan.
#framebuffer_width=1280
#framebuffer_height=720

# Uncomment if hdmi is not detected and composite is being output
#hdmi_force_hotplug=1

# Force specific HDMI mode (this will force VGA)
#hdmi_group=1
#hdmi_mode=1

# Force HDMI mode rather than DVI. This can make
# audio work in DMT (computer monitor) modes
#hdmi_drive=2

# Enable infrared communication.
#dtoverlay=gpio-ir,gpio_pin=17
#dtoverlay=gpio-ir-tx,gpio_pin=18

# Optional hardware interfaces
# Enables I2C on GPIO pins
dtparam=i2c_arm=on
# Enables I2S audio hardware
dtparam=i2s=on
# Enables SPI driver
dtparam=spi=on
enable_uart=1