# I2S DAC
dtoverlay=rpi-dac
#dtoverlay=sabreberry32
#dtoverlay=hifiberry-dacplus
#dtoverlay=allo-boss-dac-pcm512x-audio
#dtoverlay=allo-digione

initramfs /boot/initramfs.cpio.gz followkernel
device_tree=/boot/bcm2711-rpi-4-b.dtb.-mmc

# Frequency and  Voltage
force_turbo=1

arm_freq=216
core_freq=216
core_freq_min=216
sdram_freq=216
sdram_freq_min=216

#arm_freq=324
#core_freq=324
#core_freq_min=324
#sdram_freq=324
#sdram_freq_min=324

gpu_freq=1
gpu_freq_min=1
over_voltage=4
over_voltage_min=4

# watchdog
dtparam=watchdog=on

# UART
enable_uart=0          #if you use serial port , comment out this line
init_uart_clock=230400 #if you use serial port , comment out this line
dtparam=uart0=off
dtparam=uart1=off
dtoverlay=miniuart-bt

# disable wifi/bluetooth
dtoverlay=disable-wifi
dtoverlay=disable-bt

# disable audio
dtparam=audio=off

# disable led
dtparam=eth_led0=4
dtparam=eth_led1=4

# misc.
arm_64bit=1
temp_limit=70
disable_splash=1
total_mem=256
gpu_mem=16
hdmi_drive=1
hdmi_ignore_edid_audio=1
disable_pvt=1
avoid_pwm_pll=1
dtparam=i2s=on
dtparam=i2c_arm=on
dtparam=i2c_vc=off
dtparam=spi=off
dtparam=random=on
