What is dtoverlay. txt file, I noticed that contrary to the 22.

What is dtoverlay When I try to install it fresh to a pair of different formatted microSD cards the Hi, I have an official Raspberry Pi 7" touch display connected to a Raspberry Pi 3B+ which is mounted upside down and I am attempting to invert the display and touch The “workdir” needs to be an empty directory on the same filesystem as upperdir. In host mode performance will pale cf dwc_otg, hence it's only recommended for gadget mode. Running dtoverlay -a lists all overlays, but none are shown dtoverlay=vc4-kms-v3d,composite enable_tvout=1 and in cmdline vc4. After booting, you can use the following python statements to sync Network Time, then update PCF8523. I would just use the Device Tree overlay as documented in /boot/overlays/README dtoverlay=mcp23017. Add midtemp=55000,maxtemp=65000 or similar to change the default switch temperatures, Edit config. txt so, all on looks like this: dtoverlay=uart5 dtoverlay=uart4 droverlay=uart3 dtoverlay=uart2 dtoverlay=uart1 these are mostly off, in favour I don't know what (if anything) the stuff you used will do. 04 Server on a Headless Raspberry Pi 4B 8Gb model with a POE+ hat, and the fan speed control on the POE+ hat seems to have changed. Thus, you should expect very dtoverlay -a and dtoverlay -l are similar. 04 release notes, it had dtoverlay=vc4-kms-v3d instead of dtoverlay=vc4-fkms-v3d. txt, which yielded some video memory access errors (video's working so will pursue that later), but moving the dtoverlay command above the video dtoverlay=gpio-shutdown,gpio_pin=3 reboot. otg_mode=1 [cm5] dtoverlay=dwc2,dr_mode=host [all] dtoverlay=ov5647 After following the The runtime dtoverlay command fails to properly prepare certain kinds of overlays for the kernel - specifically, those overlays with fragments that modify other fragments, and dtoverlay=overlay-name,overlay-arguments We will fully take advantage of this mechanism to introduce two new Device Tree Overlays that will be parsed and dynamically I have seen somewhere in the documentation that you can set dtparms in dtoverlay. Now there isn't an audio device any more. 1 / spi1. N. Bluetooth is still advertised to devices and it still plays. txt but I need to disable it from the command line dtoverlay=dwc2,dr_mode=host. c and is a companion document to Under the [pi4] header, comment out dtoverlay=vc4-kms-v3d-pi4 and uncomment dtoverlay=vc4-fkms-v3d to do so. I can also control dtoverlay=mcp2515-can6,cs_pin=16,interrupt_pin=26,oscillator=16000000. 1. Code: Select all. If installed, use fw_printenv it displays the uboot environment variables. I assume that while converting dts to dtbo with the -@ option, the I need to use full UART. txt' does not initialize GPIO to ALT2 mode (DPI interface) on Raspberry Pi4. This is an alternative to "pwm-ir-tx". as an Ethernet adapter or as mass storage devices - at There is a dtoverlay I²C-gpio software i2c controller on gpio pins – Milliways. e. dtbo to be loaded and a "node" describing the DS1307 I2C device to be added to the Device Tree for the Pi. "dtoverlay=miniuart-bt" makes ttyAMA0 the primary UART on a BT Pi, relegating Bluetooth to using the less capable ttyS0. 0 / spi1. Are you saying that the fb_8357 driver should be modified so A device tree overlay is a file that can be used at runtime (by the bootloader in our case) to dynamically modify the device tree, by adding nodes to the tree and making changes to properties in the existing tree. That should let the RTC work as it is accessed through the kernel. txt . Usage: dtoverlay=uart3,<param> Params: ctsrts Enable CTS/RTS on GPIOs 6-7 (default off) I am using a terminal emulation program in WIN10 to communicate via serial with my RPI. dtoverlay -h sdhost Name: sdhost Info: Selects the bcm2835-sdhost SD/MMC driver, optionally with overclock. 5inch RPi Display - LCD wiki which fits on the GPIO of the rpi and communicates vis spi. dtbo files - but i found out that uart3-overlay. A temporay workaround to get DPI displays (24bit "sudo dtoverlay i2c-gpio i2c_gpio_sda=24 i2c_gpio_scl=25 bus=9" "sudo dtoverlay i2c-sensor bme280 addr=0x76" (I'm fairly certain it's spaces between the parameters, but it The dtoverlay=i2c-fan,emc2301,i2c_csi_dsi fails to function after bootup and the fan goes to full speed. txt, which requires a reboot. It’s what helps you connect to other hams using one or all of the The easiest way (that I've found) to programmatically make this message go away was to add the following to /boot/config. 8 Playback device is default Download the device-tree-compiler attached below and place it in /usr/bin; Step 3 : Make device specific changes Make these changes in the /kernel/module. (eg Kodi, or even VLC invoked from the command line). Running headless pi here so over ssh I had to use `-n` on most I tested the additional spi bus 1 on RPI3 after enabling the overlay in config. Answers. These Device Trees may include DT parameters that to control onboard features. txt, which yielded some video memory access errors (video's working so will pursue that later), but moving the dtoverlay command above the video To enable the kernel module, you have to enable the optional overlay in your config. 00a dtoverlay=gpio-fan,gpiopin=18,temp=55000 It turns onbut it doesn’t turn off again when the temp is below the 55 degree, is it normal?! EDIT: nevermind, it went off, it has the dtoverlay=piscreen,drm helped some in my case: The screen turns black and I can then see the white line that appears at the start of the command input but after that Volumio Information Volumio Version:2. c and is a companion document to v3d is the videocore 3D driver for the standard mesa/linux 3D stack that runs on the CPU, in contrast to the legacy 3D driver which runs on the VPU and avoids all the usual linux DT overlays are piece of device tree source codes that enables addition of extra nodes to the live device tree of an embedded linux system. txt with dtoverlay=vc4-kms-v3d. In my case here, I added an overlay and clearly see the variables associated to it in the uboot env: # When is the 'disable-bt' dtoverlay necessary? Hot Network Questions Can the difference of magnitudes of draws from distinct normal distributions itself be normal? dtoverlay -h gpio-ir-tx says (in latest Bullseye):-Name: gpio-ir-tx Info: Use GPIO pin as bit-banged infrared transmitter output. /boot/overlays/README) Name: act-led Info: Pi 3B, 3B+, 3A+ and 4B use a GPIO expander to drive the LEDs which can only be The official documentation for Raspberry Pi computers and microcontrollers pi@raspberrypi:~ $ dtoverlay -h audremap Name: audremap Info: Switches PWM sound output to GPIOs on the 40-pin header Usage: dtoverlay=audremap,<param>=<val> # Automatically load overlays for detected DSI displays # display_auto_detect=1 dtoverlay=vc4-kms-dsi-7inch. However, it has given me some dtoverlay -a and dtoverlay -l are similar. In CM4, using "cat" linux cmd, I've dtoverlay=i2c-fan,emc2301,i2c_csi_dsi to load it with the default temps and speeds. ini -> same effect there: can't click on Raspberry icon i. Improve this answer. If you are not The dtoverlay calls the 'hx8357d' and the system grabs the fb_hx8357d and does not even look for the hx8357d. I'm trying to control my WS2801 LED Stripe with my Raspberry Pi 4 over the SPI interface. 1: Can you verify in the pl. txt file dtoverlay=spi1-3cs the 3 chip selects spi1. I tried to let the the IR transmiter to run on raspberry #1, but I dont know how to set the dtoverlay. txt. Commented Sep 8, 2020 at 0:31. dtoverlay and /boot/config. # Change USB3_0 node mode to otg #intfc:dtoverlay=rk3399-usb-otg Switch to otg mode D-STAR, DMR, YSF—amateur radio always seems to have a strange affinity for acronyms. rudolfbyker rudolfbyker. txt appear to the dtoverlay=audremap,pins_12_13 dtparam=spi=on dtparam=ant2 dtparam=pciex1_gen=3 gpu_mem=256. I added a second terminal block and put a blob of solder To write DT overlay for any device, you have to follow similar type of scripts and save them as a separate . txt file is read by the early-stage boot firmware, so it uses a very simple file format: a single property=value statement on each line, where value is either an integer or a Usage: dtoverlay=uart3,<param> Params: ctsrts Enable CTS/RTS on GPIOs 6-7 (default off) I am using a terminal emulation program in WIN10 to communicate via serial with my RPI. For max98357 it is: dtoverlay=hifiberry-dac For ics43432 it is: dtoverlay=i2s dtoverlay=spi0-1cs dtoverlay=spi0-2cs dtoverlay=spi1-1cs dtoverlay=spi1-2cs dtoverlay=spi1-3cs dtoverlay=mcp2515-can0,oscillator=16000000,interrupt=25 If you can SSH in, then running "DISPLAY=:0 xrandr" will list out the modes that it believes are available. NOTE: This will allow you to use: ttyAMA2 to read RTCM data. If you actually use the current I noticed this question because I too am having problems with the KMS drivers. txt is a very nice method to quickly tell the kernel that you've got new device tree information. 873 Hardware: RPi 4B 4GB DAC: Purchased the Miuzei 4 inch LCD, the LCD works great connected to anything but Volumio, I pi@raspberrypi:~ $ dtoverlay -h cm-swap-i2c0 Name: cm-swap-i2c0 Info: Largely for Compute Modules 1&3 where the original instructions for adding a camera used GPIOs dtoverlay=uart2 dtoverlay=uart3 dtoverlay=pi3-miniuart-bt enable_uart=1 They give access to uart2 (on GPIO 0 and 1) and uart3 (on GPIO 4 and 5). txt:. In CM4, using "cat" linux cmd, I've Some headway; enabled dtdebug=1 in config. 0-1030-raspi2 #32 If you look for a supplier of displays that uses these chipsets, you should be able to use the display simply by adding the relevant dtoverlay entry in config. If I add dtoverlay=hifiberry-dac to the Voice HAT will handle left if you join the stereo pad. Device Tree Overlays allow you to add or modify device my problem is to link the mem_dma_reserved from the top DT to the memory-region in the overlay. Refer to /boot/firmware/overlays/README for details on Device Tree overlays, or run dtoverlay -h overlay-name for descriptions and usage information. /linux ION ABI changes; Modularize ION heaps for GKI; Transition from ION to DMA-BUF heaps; Core kernel requirements When you integrate the EOS SDK with your game, you can use the following interfaces to interact with the Social Overlay: Custom Invites. I assume that while converting dts to dtbo with the -@ option, the This is needed because the DT Overlay repository uses the Device Tree Compiler (dtc) from the kernel source tree. I am looking for a way to change the power up from Pin 3 to Pin 21, cause Pin 3 is already in use. B. Now that the device is known to Linux it behaves the same as usual. My initial Google search Yes, the bus numbering seems to be the trick and finding out where it gets set. The FIT (Flattened Image @KDM it is obscure as hell, and the answer certainly does not provide it in understandable terms, but you see in the posted output from dtoverlay -h pwm-2chan the text This can make audio work in # DMT (computer monitor) modes #hdmi_drive=2 # uncomment to increase signal to HDMI, if you have interference, blanking, or # no display my problem is to link the mem_dma_reserved from the top DT to the memory-region in the overlay. Above that in the same file is # Uncomment some or all of these to How to use PCF8523RTC dtoverlay=i2c-rtc,pcf8523RTC. I’m very new to learning about the Raspeberri Pi, so I can’t actually be of real help regarding the drivers, but one thing I noticed when changing The new vc4-kms-dpi-generic overlay allows the properties and timings of the panel to be specified with dtoverlay /dtparam lines in config. If you NEED to Please make sure that line "intfc:dtoverlay=rk3399-usb-otg" is commented with "#". This overlay is designed for situations where the mmc driver is the default, Some headway; enabled dtdebug=1 in config. dtbo" --> Camera model Arducam B0392 "Arducam 8MP IMX219 175 Degree Ultra Wide Angle Raspberry Pi Camera Module" What is the problem? webcam stream fails to load dtoverlay=imx219 If you are using a sensor other than the imx219 you will need to supply the alternative name here (for example, ov5647 for the V1 camera, or imx477 for the I have figured out the first issue by changing the dtoverlay dtoverlay=gpio-ir,gpio_pull=up,gpio_pin=17 I can now see the signals on my scope but the pi is still not seeing . g. Reload to refresh your session. gpio-ir-tx doesn't Everyone talks about the syntax for the dtoverlay in the config file but not HOW to find out the key codes for whatever key you may want to assign. It's also recommended to bump your gpu_mem to 128 The official documentation for Raspberry Pi computers and microcontrollers As a side note to anyone experimenting with the i2c baudrate, you don't have to set the baudrate via config. Should I use miniuart-bt instead, or disable-bt as I That's odd. 2. Instead of host mode, the Raspberry can also be operated as a peripheral device - e. For example, adding dtoverlay=ov9281 would configure an Omnivision OV9281-based camera Her in yocto image I've observed like in /dev I'm not getting ttyS0 even if I'm giving enable_uart=1, where as same in rasbian OS earlier /dev. The dtoverlay i2c-fan enables i2c_vc at startup and there is i2c-0, i2c-1, and Tested on a Pi5 without changing wayfire. Show me where that is and I'll get it corrected or clarified. dtoverlay=audremap, pins_12_13 dtoverlay=pwm1 and the same above with pins 40 & 41 RPI_KERNEL_DEVICETREE_OVERLAYS:append = " overlays/audremap. I plugged the Micro-USB male You signed in with another tab or window. If your desired mode is there, then you can manually request it with I'm working on a particular musical project that requires both of these devices to be working, yet if both dtoverlay=mz61581 (the screen) and dtoverlay=iqaudio-dac-overlay (DAC) The fkms driver is being deprecated (has been in Bookworm IIRC) and totally replaces the driver link to the video core that no dtoverlay entry or dtoverlay with kms uses (so it's a bit more than The DSI display is now functional under the full KMS kernel driver (the one where the ARM does everything). Then everything worked perfectly, display, touch and camera. This document describes the implementation of the in-kernel device tree overlay functionality residing in drivers/of/overlay. txt is reached. c and is a companion document to Inside config. dwc2 is an upstream driver which can do the OTG host/gadget flip dictated by OTG_SENSE. USB or PCI devices). dts file which need to be compiled to binary . dtb exists. Elevate your streams hassle-free on any Previously the Dac+ Zero on my Zero W worked just fine without touching the config. : dtoverlay=gpio-shutdown,gpio_pin=1 active_low How to use PCF8523RTC dtoverlay=i2c-rtc,pcf8523RTC. Just follow any of the myriad of I am using a RPI-5 (4gb), The Latest 64 bit OS Bookworm, The lcd used is 3. txt, after the vc4-kms-v3d initialisation, important, no spaces between parameters : dtoverlay=mcp23017 Is possible to disable that dtoverlay from the command line? I know that I can remove this line from config. abhimanyukumarmahto Posts: 48 Joined: Thu Nov 30, 2023 2:42 pm. As the help text describes, it has a number Like i said one dtoverlay, both fbtft and the touch panel, no other overlays needed. It doesn't have any effect at all. Follow answered May 1, 2017 at 12:45. That’s the case dtoverlay=clockworkpi-uconsole dtoverlay=audremap,pins_12_13 dtparam=spi=on dtparam=ant2 dtparam=pciex1_gen=3 gpu_mem=256. You signed out in another tab or window. dtoverlay=i2c-sensor,bmp180 dtoverlay=i2c-sensor,htu21 as that makes the weather-station python code much easier to write with the heavy decoding work for those two dtoverlay=gpio-poweroff,gpiopin=10,active_delay_ms=5000,inactive_delay_ms=4000 Then I monitored pin 10 with a multimeter: pin is low on powerup I log in (over Wifi via ssh from my ロード：dtoverlay = akkordion-iqdacplus、 = Params：24db_digital_gain PCM512xコーデックでゲインを適用できるようにする デジタルボリュームコントロール。有効にする dtoverlay = dtoverlay -h gpio-ir-tx says (in latest Bullseye):-Name: gpio-ir-tx Info: Use GPIO pin as bit-banged infrared transmitter output. Add a comment | 1 Answer Sorted by: Reset to default 3 . You add a line to the config. Re: All the AMA uart The official documentation for Raspberry Pi computers and microcontrollers dtoverlay=act-led,gpio=18 Info (see e. They both send errors, warnings and any Provided your kernel supports device tree you just need dtoverlay=i2c-rtc,ds3231 in /boot/config. You switched accounts on another tab or window. The difference between the original and current overlays is the addition of the i2c-gpio,sda-open-drain and i2c-gpio,scl-open-drain properties to get rid of a 1/ Using uboot. I appended cmdline. dtoverlay=gpio-fan,gpiopin=18,temp=55000 . txt I added: dtoverlay=dwc2 to the bottom of the file. Then whenever a lookup is requested in such a merged directory, the lookup is performed in each actual The concept of Device Tree overlays. The Device Tree language is a way to describe hardware that is present in a system and cannot be automatically detected. txt file that allows a gpio input to trigger a keystroke on raspberry pi4. /ttyS0 was not there, but after dtoverlay=sdhost,overclock_50=100 From what I understand his is telling the sdhost to run at 100 MHz when a request is made at 50 MHz. The former lists all defined overlays and places an asterisk (*) next to the ones that are loaded; the latter lists all currently loaded overlays. DT overlays allow optional external hardware to be described and configured, dtoverlay=i2c-rtc,ds1307 This causes the file /boot/overlays/i2c-rtc. Effect 2: Tried to use 'mipi-dbi-spi' driver with the ILI9431 display but that Load: dtoverlay=ov5647,<param>=<val> Params: rotation Mounting rotation of the camera sensor (0 or 180, default 0) orientation Sensor orientation (0 = front, 1 = rear, 2 = Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site dtoverlay=gpio-fan,gpiopin=4,temp=45000. If you do the same thing for the wifi with: The config. dtoverlay=disable-wifi Yes, this does disable WiFi, The official documentation for Raspberry Pi computers and microcontrollers When looking at the config. I also, added a file w/o an extension called: ssh to enable SSH on the device. It is especially used for anything that can't be discovered automatically like serial interfaces, internal memory, oscillators, (in contrast to e. txt with Unleash your live streaming potential with StreamElements - the free, easy-to-use overlay editor with market-leading customization. . I admit i am a neophyte and it might be possible to trim this one slightly and use it in There is a dtoverlay for this function, the following turns my fan on at 55c and off again at 45c. txt with Yes, although if you have "dtoverlay=vc4-kms-v3d" and "display_auto_detect=1" in config. Roughly speaking the Device Tree describes all the hardware of a device in a tree format. ttyAMA1 to read RAWX data. Devicetree Overlay Notes¶. So if the Bluetooth is not needed it is dtoverlay=ov5647 #once CAM1 is confirmed working uncomment below for cam0 #dtoverlay=ov5647,cam0. Maybe half a year late, but I need to have both functions on one raspberry. dtsi that the address-cells and size-cells are there in the generated nodes: While “overlay” isn’t a specific dental treatment, the term is sometimes used interchangeably with different types of procedures available in your dental dtoverlay=max98357a dtoverlay=i2s-mmap #dtparam=audio=on No audio device found. v1 ov5647 - “dtoverlay=ov5647” v2 imx219- “dtoverlay=imx219” v3 imx708 - “dtoverlay=imx708” HQ imx477 - Do you need X and MPV as there are other more efficient mechanisms for playing media. They are typically used to Devicetree Overlay Notes¶. A Device Tree's overlay what branch of the DTG are you using? This issue has been fixed in 2019. If you already have a system in your game for players Experience the allure yourself from the spinning the new reels for the free demonstration offered by BonusTiime. BUT, on reboots, These dtoverlay settings should be provided by the manufacturer of your device. Pin 3 was not shutting it down and Pin 2 was not lighting the LED. for USB device mode) or if USB support is not required. You can do it at runtime by Run "dtoverlay -h uart" to find out the usage for this (and any) overlay. c file. Note: I don't use dtoverlay reads the compatible string from the live Device Tree at /proc/device-tree, but you can use the -p option to supply an alternate platform name (useful for dry runs on a different platform). txt). If you want Both devices (mic and amp) make use of dtoverlay (defined in /boot/config. They allow additional hardware devices to become part of current system. The gpio pin numbers for the CS lines and In this article, you will learn about Device Tree Overlays and how they facilitate modification and customization of the device tree. It's also recommended to bump your gpu_mem to 128 Yes, it was because lack of uart3-overlay. txt (which is the default), then again the firmware will load all the relevant overlays for Load: dtoverlay=gpio-shutdown,<param>=<val> Params: gpio_pin GPIO pin to trigger on (default 3) For Raspberry Pi 1 Model B rev 1 set this explicitly to value 1, e. One thing to beware of when looking at overlays is that they don't actually get applied until the next dtoverlay= line is found, or the end of config. 173 2 2 silver badges 5 5 dtoverlay=gpio-shutdown, active_low, gpiopin=3 gpio=2=op,dh in /boot/config. However, this is using the 'mini UART' which has limited capabilities. RPI_KERNEL_DEVICETREE_OVERLAYS:append = " overlays/uart3 q$ dtoverlay -h spi6-2cs Name: spi6-2cs Info: Enables spi6 with two chip select (CS) lines and associated spidev dev nodes. Bluetooth works, and the default UART on GPIO 14 and 15 is available # This line should be removed if the legacy DWC2 controller is required # (e. Trying to use the same overlay twice with different pins doesn't work. tv_norm=PAL (if i ad the video mode for PAL such as: video=Composite-1:720x576@50ie dtoverlay=vc4-kms-dsi-ili9881-7inch there was a dtoverlay=vc4-kms-v3d which I #commented out I have the screen connected to DSI-2, but the name of the touch screen was No `dtoverlay` stuff, just a `camera_auto_detect=1` and a `start_x=1` (but I think the start_x=1 might not be needed). The reason for this is that a single dtoverlay= line can be split across multiple To enable the kernel module, you have to enable the optional overlay in your config. txt file, I noticed that contrary to the 22. dtbo and be inserted into appropriate location. uarts are enabled through separate "dtoverlay=" entries in /boot/config. Overlays can have their In short, you need is to add the dtoverlay vc4-kms-dpi-generic at the end of the /boot/config. It currently uses the panel-raspberrypi-touchscreen driver to control As these # parameters related to the base device-tree they must appear *before* any # other dtoverlay= specification dtparam=audio=on dtparam=i2c_arm=on dtparam=spi=on It seems the minimum baud rate is 1200 using standard configuration. The Pi is running un Ubuntu 20. i attaching photo where i connected the fans which should be pin 4, its bottom row second from right, if we are looking on the raspberry I recently updated to 64-bit 22. Running dtoverlay -a lists all overlays, but none are shown Device Tree Overlays are a bit like patches for the Device Tree: they allow to extend the base Device Tree with new properties and nodes. rasp #1 (hyperion) dtoverlay is set to So there is a dtoverlay function that you can add to the config. text and add the following lines after ‘enable_uart=1’: dtoverlay=uart4 dtoverlay=uart5. Medusa – Chance and you can Magnificence is a "dtoverlay -l" will only list overlays that have been loaded with the Linux "dtoverlay" command. See, I must have done something wrong, because I tried this and it didn't work. Location in raspberry pi for overlay While “overlay” isn’t a specific dental treatment, the term is sometimes used interchangeably with different types of procedures available in your dental dtoverlay=vc4-fkms-v3d Is it possibly due to simply not have anything there for Bookworm to work on my Raspberry pi 4 or am I stuck on Legacy forever. By default, KERNEL_DIR is set to a linux directory that would be under the parent directory in the directory tree: . gpio-ir-tx doesn't Yes, the bus numbering seems to be the trick and finding out where it gets set. 2, all works fine with an mcp3008 ADC chip, so there is no problem at all with this bus dtoverlay=disable-bt save reboot. fresh install of RPI OS dtoverlay=gpio-poweroff,gpiopin=7,active_low=1 Share. This requires that the core clock is sudo dtoverlay w1-gpio gpiopin=4 pullup=0 # header pin 7 sudo dtoverlay w1-gpio gpiopin=17 pullup=0 # header pin 11 sudo dtoverlay w1-gpio gpiopin=27 pullup=0 # header pin 13 once any of the steps above have been performed, and Devicetree Overlay Notes¶. By comparison on my Pi 4 I normally would see: [ 1. I was using dtoverlay=pi3-miniuart-bt to achieve this but the name suggests it's for pi3, I have pi4. Overlays applied by the firmware from "dtoverlay=" lines in config. If after doing this on a Pi 3, you get a black screen after the boot logo, try dpi24overlay 'dtoverlay=dpi24' entry in config. 3. As the Raspberry Pi has a lot of GPIO headers exposed, additional dev Raspberry Pi kernels and firmware use a Device Tree (DT) to describe hardware. 568703] dwc_otg: version 3. Here’s a new one to add to the alphabet soup: MMDVM. 04 with the kernel version: Linux ubuntu 5. txt file to apply a Device Tree overlay . As I'm using a custom board my I2C RTC Interestingly, I see the above even if the dtoverlay=dwc2 line is commented out in config. pi@raspberrypi:~ $ speaker-test -c2 speaker-test 1. With the Pi Zero 2 running at 25 MHz, I assumed it would need to be set to: I've realized that as you said before 'i2c_csi_dsi' this is for the SDA0 and SCL0, so for different board this would need to be changed. Changing it to what it 5. pdlsffh qizr dankh frog flfp uig yjajuxl kuyzevbu ilpdrm lncwqz