Petalinux enable i2c. i2c: 400 kHz mmio ff020000 irq 39 [ 4.

Petalinux enable i2c Hi '@simozz . Generate petalinux images by enabling i2c-tools in rootfs. Once Petalinux is built, I use to package all the files and How to retrieve the MAC address from EEPROM via I2C bus and hand it off to Linux if using petalinux 2023. I want to configure the audio chip (SSM2603) with i2C. In out case, we have to enable the new uart port, and install the drivers for axi_uartlite peripheral. The recipe exists already in With extra debug turned on I get this output showing both I2C adapters. You signed in with another tab or window. 1(2019. Export HDF. The designs provided with this application note enable the use of multiple Ethernet ports, and provide kernel-mode Linux device drivers. ps7_i2c_1 is the EEPROM connection. By default Linux disables clocks which have no reference in the device tree (no nodes using the clock). The ability to access and work with SPI Using a base address of 0x40001000 as can be seen in the dts snippet below. i2c-mux@75 {compatible = "nxp,pca9544"; Hey I am trying to write a user space application to move some data to an I2C for an embedded system running PetaLinux, an operating system for embedded Linux, although I Hi @dvir1234_1z. Also i2c bus 2 => i2c dev 2 Setting Thanks Lonel, Following are the contents of our hw design captured in the files "pl. 1. PetaLinux tools allow you to customize, build, and deploy Right now I want connect an I2C device to the ZynqBerry J8 connector and try to communicate with it from PetaLinux. Once the We do need to ensure we have included the correct I2C drivers along with the Cadence I2C driver that supports the PS IIC. i2c-core: driver [rtc-pcf8563] registered. I want to know how to configure the petalinux kernel driver options for UIO I'm having some difficulty getting the EEPROM driver working in Petalinux v2013. com/v/u/1. During boot I get the following messages regarding i2c: [ 4. However, I have been unable to come up with an acceptable device tree binding which won't fail the petalinux-build process. As you have already described appropriately there are two main steps to get the final device-tree blob in a Petalinux project. Double-click on the ZYNQ processing subsystem in your Block Design in the 2 Petalinux 2022. c driver, if you're able to compile and install a different kernel device tree for your Raspberry Pi. Had to add clk_ignore_unused to the bootargs variable. 2) petalinux design. You signed out in another tab or window. Enabling the SPI controller. When I enable GEM0 using SGMII to the SFP0, I'm unable to detect the SFP. Assign pin mapping as per the design. This can create issues in an AMP This is the branch where the petalinux project for zybo z7-10 was moved: 10/Petalinux/upgrade. How does In many cases you dont need to use the xillnx drivers directly. 2 and PetaLinux 2016. We are using OSL V3. How to manage an axi uartlite peripheral from PetaLinux in Ultra96 board. It looks like the correct place to do this would be in the top-level Device Tree: system-top. 04? I am using Vitis 2021. Navigation To enable support for a specific hardware driver, e. First you need to enable the SPI controller on the ZYNQ subsystem. Here are the steps Ive done: build block design in vivado 2020. To control my IP, I The peripherals we communicate with in embedded systems use a wide range of interfaces from I2C, UART, SPI to Gigabit ethernet and PCIe. 1, I have kria KV260 and Ultra 96v2 boards with me, I also have several When experimenting with custum IP and device drivers (following UG1165), I disabled both I2C ports on the Zynq within the BD. I enabled SPI master and spidev in the kernel config. We need to make sure the kernel configuration also includes the driver for the Xilinx I2C This repository provides linux application demos for common communication protocols: SPI, I2C, UART. If using PetaLinux tools, these options can be passed in by using the --qemu-args "<options>" I think I added everything i need on Vivado (enable IIC0, add I2C bus in master. Hey, I'am using the zc706 Evaluation Board together with the Petalinux System (2021. You switched accounts on another tab This is the Software Designing (Petalinux) part of the Zybo Z7-20 audio system project. I write to the control register to Hi all, I am trying to add I2C support to U-boot, in order to acces an EEPROM where are stored some boot information. I also checked that the driver was enabled in. Did you make any changes to I2CBUS of those examples (or any other change/modification to the steps that I listed above) ? Also did you move the rfdc No change was seen, as soon as petalinux boots I lose those clocks. The result I expect is to see an i2c device created for my bus (ex /dev/i2c-2). These options are passed by the command line when starting QEMU. 1 and Vivado 2017. I am trying to write a basic I2C Linux application which is failing to write bytes to I2C. i2c-0 i2c Cadence I2C at Customizing the Root File System: $ petalinux-config -c rootfs; In the box that opens, enable the tool you want to be enabled like i2c-tools, minicom, etc. Contribute to Xilinx/linux-xlnx development by creating an account on GitHub. (The hardware configuration file is To realize that, I use SPI , I2C and UART to the PS. In Vivado, The page describes the configuration process and usage of the U-Boot i2c driver used on Zynq-7000 and Zynq Ultrascale+. Q1) Yes, that's the proper way to do it in Petalinux, you need to get a patch and the use a bbappend to add the patch to the recipe. 4. A common use case of the sensors devices is to have combined functionality (e. After booting check for i2cdetect -l. But you never have to touch it because you can put the At petalinux-config -c rootfs, check (and enable if not have): packagegroup-petalinux-v4lutils and, packagegroup-petalinux-gstreamer. I am trying to change the frequency of I2C driver using the variable "clock-frequency = Hi, I want to try the following things : 1. I want to modify it such that it runs dhcp during booting the u-boot itself to acquire an IP address Root password in petalinux-config -c rootfs -> PetaLinux RootFS settings is not working. Thanks a lot. 1-05230256. 10) Hi, I am trying to enable User space I/O driver (UIO driver) in Petalinux and access AXI GPIO from the UIO driver. I'm building and testing an application on linux, but I2C will not work. As a first step, I'd like to be able to demonstrate functionality by When I run this command to probe the I2C busses and sort the results, I'm pretty sure that SFP0 would be I2C device 21. But I believe that the camera uses a MIPI interface. I see in plnx-project/project We are using Eclypse Z7 board and I have a petalinux built with the FPGA's XSA with added I2c LogiCORE IP AXI IIC. The commands for the Picozed board are as follows: 1: Enable the Zynq's SPI and I2C interfaces and route via EMIO to the appropriate pins of the Zynqberry's 40-pin header. SI5345 clock chip, I2C For Petalinux 2018. Navigate to Image Features from the main menu in the root filesystem configuration editor and enable package-management. bsp) to create 2024. 1 projects are posted on Vivado configurations for Linux Userspace examples repository (separate branch for I got Petalinux 2014. My question is: how can I map the I2C MIO pins For the ZCU216, the Linux gpio id passed to XRFClk_Init() is incorrect on line 276 of rfsoc. I have seen that I2C support is enabled in zynq-common. config kernel options; Similar to u-boot, kernel regarding the I2C : do you mean to use an 'ID chip' with I2C interface? Like for example Maxim DS28CM0 or Microchip 24AA256UID ? I'm a linux newbie, is there an easy way to find out if AXI-I2C standalone driver. i2c-mux@75 {compatible = "nxp,pca9544"; I2C is popular as it allows us to easily communicate between several devices using only two wires (SDA — data and SCL clock). You have Integrating Raspberry Pi SenseHAT with AMD-Xilinx Kria KR260 and Petalinux 2022. if the clock frequency This should show you which device files (in /dev/) are symbolically linked to i2c ports/drivers on the main processor. light plus proximity sensor). 1 Kria Update 2 New Features; GEM and USB configuration under ENABLE_DYNAMIC_MIO_CONFIG macro which is i2c-tools : Set of i2c tools for Linux The i2c-tools package contains a heterogeneous set of I2C tools for Linux: a bus probing tool, a chip dumper, register-level SMBus access Under Filesystem Packages > base > i2c-tools, enable i2c-tools i2c-tools-dev Under Filesystem Packages > misc > python3, enable python3 and python3-dev > console > network, enable Usually these sensors are connected via SPI or I2C. I have two I2C connections to a Zynq PS running at 400kHz. 1 via SD/eMMC. There I have the I2C Cadence driver with slave option enabled. How do I ensure that my device tree has the I2C peripherals properly configured? The easiest way to ensure that your Linux system is properly configured for the Zynq development platform I'm trying to follow this tutorial Here to enable the I2C driver in Petalinux 2020. Manikanta Guntupalli (Unlicensed) + 5. I add I'd like to be able to monitor voltages and currents in the INA226 on the zcu102 with my petalinux software written in C/C\+\+. We will then use the I2C Click interface to work In last week’s blog, we looked at how we could build PetaLinux from scratch. And this should be the branch with the hardware for that petalinux I2C-PS standalone driver. h Plugging it all together and I find that I need to install the i2c-tools package, then use raspi-config to enable the I2C system. Best Regards. How add drivers for In this tutorial, I will demonstrate the necessary steps to include the AXI IIC peripheral in the PL to communicate with various I2C interface chips. Find this and other hardware projects on Hackster. First enable petalinux I2C enable problem. This workaround is applicable to the VCK190, VMK180 and VPK120 because they all use the same circuitry for generating the VADJ voltage: an IR38164 buck regulator with the same I2C address (0x1E), When using PetaLinux, enable the gpio pin 0 of the multiplexer. Without that, accessing the memory of the AXI Bringing up custom carrier for Kria K26 with Petalinux 2024. . I just tried with 2018. Looking at the U-boot and kernel logs, I can see that the zynqmp doesn't properly detect my SFP. The Vivado 2019. , I2C driver: petalinux-config -c kernel In the menu interface, navigate to "Device Drivers" -> "I2C support" and select the appropriate options. Skip to content. i2c-dev: adapter [Cadence I2C at e0004000] I have enabled the Xilinx I2C Controller in my PetaLinux (v2016. I am using cadence I2C driver to communicate with slave devices. See the wiki here for information on the ZCU111 petalinux2019. 2. i2cdetect -y -r 0. xilinx. h file that **BEST SOLUTION** Well it took me two weeks to find the solution:. Learning Hardware Community. If you want to avoid cloning the After generating a bit stream with just the ZynqMP and an AXI I2C block I can not get the petalinux image to properly boot. While a simple protocol, it does have a few gotchas that can slow Hello, We are trying to make use of the Epson RTC8564 chip to maintain time of day through reboots, etc. 2022. Assuming I tend to avoid using IP. The wiringPi gpio command has a shortcut to the i2cdetect The wiki will also discuss the various debug options available to enable the user to fully debug any application targeting the RFDC IP driver. That I can use the I2C GPIO to program LEDs and enable / disable line drivers. I want to set up a Multi-Master Important. I2C is easy to implement, and I just control it via AXI lite connected registers. 3: Create a GPIO function Goto petalinux-config -c kernel; Under Device Drivers > I2C support > I2C Hardware Bus support, enable. When bundling the compiled bitstream with Alternatively, you could access it via the kernel at24. Once you have done that, exit the configuration menu and save the configuration changes. Create the device tree containing the device graph for the image processing pipeline. 2 - Tutorial!. Owned by Confluence Wiki Admin (Unlicensed) Last updated: It is found in Device Drivers -> Multifunction device drivers -> enable driver for generic I2C-attached EEPROMS, and then set the "Set the I2C MAC offset" field to something like 0xFA. Owned by Confluence Wiki Admin Versal Adaptive SoC CCIX-PCIe Module (CPM) Root port Linux driver • Enable the I2C. 10. I saw the content of the dtsi : &axi_iic_0 {#address-cells = <1>;. Typically, these devices interface with the FPGA using a I have now modified my hardware configuration to enable I2C1 as well, exported my xsa file and re-built Petalinux from this new file, then finally used Petalinux to package a new boot image to However, if the bus topology is likely to change, ie add remove i2c from PS or AXI I2C in the PL, then user can script around this to dynamically find the SCI18IS60C device For example, the In this video I go through the steps required for building petalinux for ZCU102 board. 1 petalinux project. Right now, I have an IP which generates an i2s audio The i2ctools recipe enables the use of command-line tools such as i2cdump and i2cdetect. I use ZCU102 After creating my project, I enabled i2c-tools via checking the boxes in. 1 as It is found in Device Drivers -> Multifunction device drivers -> enable driver for generic I2C-attached EEPROMS, and then set the "Set the I2C MAC offset" field to something like 0xFA 2. F1,. dts. I have I'm looking for an example implementation where GEM0 is used with SFP0 running Petalinux. This peripheral connects to the PS through the AXI port and will be assigned an In the menu interface, navigate to "Device Drivers" -> "I2C support" and select the appropriate options. It looks from the uboot log that the PHY ID is either wrong or don't have a PHY node in your device tree. pdf, https://docs. By LogicTronix [FPGA Design + Machine Learning Company]. I2C, UART, TCP/IP, etc. h is included in zynq_zc70x. In addition, this document includes Ethernet I'm having problems with changing clock rates for the ARM A9 I2C0 bus. i2cdetect -l | sort -k 3,3 -k 5,5 -k 1,1. 1? For this tutorial I am using Vivado 2016. 1 to generate the HDF and the bitstream. Cadence I2C Controller; Xilinx I2C Controller; Save and exit the configuration. This week we are going to explore how we can use a common embedded systems interface from the Linux user space. The result I expect is to see Hi everyone, I have some trouble to operate the i2c with a zybo and Petalinux. 387336] Hi I am having a problem with Petalinux failing to detect the 2nd I2C peripheral in an Ultrascale+. Unfortunately, I cannot find this setting (CONFIG_I2C_XILINX=y) in petalinux-config -c kernel. 2. Just need to enable the Debug Tweaks, Below are the steps: A crash course in Xilinx’s PetaLinux toolset and a look into the design process of an FPGA engineer. Under Filesystem Packages > base > i2c-tools, Enable I2C support for the OV5640 camera used on the Pcam 5C in the kernel. The reference design has this chip connected to In summary, the project allows the user to type directly to the LCD connected to one of the Zynq PS's I2C controllers. Design sources are available upon a donation to googoolia. So what applies to "i2c raspberry pi" and "i2c beaglebone" will apply to petalinux as well. There are not MIO connected to Pmod, so I use EMIO. that are well written and tested (Side note: Soft-processors such as the 4 Clocks 4. This can create issues in an AMP Options. 5. Enable the V4L2 packages in the root file system. But when I import the 4 Clocks 4. Ensuring we know how to GigE Vision compatibe video streaming from MIPI-CSI camera with Zybo Z7-10 board - thodnev/gigevision-xilinx is there a simplest possible way to enable linux kernel driver dev_dbg debug messages (actually it's a trace style messages) hopefully without messing up with the kernel zynq-common. 2 I can read correctly the i2c eeprom from U-Boot via i2c-tools. xdc, generate new HDL Wrapper) But I don't know how to control it from my petalinux now. 2 petalinux version & I am able to auto login without any issues. Enable — user mode SPI device driver support. I am trying to enable busybox i2c-tools(i2cget/i2cset) to a ZCU102 2019. I do not have an issue booting with Vivado 2016. The command Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about Manage USB I2C/UART Click Board From PetaLinux in Ultra96. 1 Kria Update 2 New Features; GEM and USB configuration under ENABLE_DYNAMIC_MIO_CONFIG macro which is Hi , I would need to communicate with PMIC (MMPF0100) from u-boot source code through i2c command ,the u-boot source code from u-boot community (u-boot-2014. Enable i2c in PCW. I added the following When we are working with PetaLinux we are often able to leverage the Industrial Input Output device drivers to be able to configure, control and sample the device. io. Used extensively in BeagleBone boards. Appreciated Yuhei Horibe’s reference literature for Zedboard implementation and many of the Q&A for Zybo+I2S+PL300 DMA on How to add i2c drivers/support while building an OS using petalinux or Ubuntu Jammy 22. Now you have to create petalinux project with XSA, enable the I2C devices (at kernel config) and I2C tools filesystem package at rootfs config, build the project and create the WIC. There is a Xilinx IP for MIPI but I have never used it. 07 (May 03 2018 - 11:31:43 -0500) I2C: Error, wrong i2c adapter 0 max 0 possible Error, wrong Hi Avcon_Lee, Thanks very much for your response. h file. i2c /dev entries driver. I have to use the sdtgen sdt-tree build process for 2024. 3. 2: Enable the I2C smbus and SPIdev kernel drivers in the PetaLinux project. But I got no communication using AXI IIC. 1 Kria Update 1 New Features; 3 Petalinux 2022. 1 Linux Disables Clocks. 2 and I have no problem talking to my I2C devices using PS I2C (Cadence driver). 4 (Petalinux kernel version is 4. gpio-cdev - explained here, supported by kernel version 4. The kernel device tree I2C addressing uses 7 bits; however, many I2C data sheets specify 8-bit addresses, which includes the Read/Write bit. 2 with default kernel 3. The next stage is to enable the accelerometer data This project is also going to create a Vivado and PetaLinux design which works with SPI and I2C sensors mounted on the ZUBoard along with supporting I2C Click modules. axi_iic_ds756. I can "petalinux-config -c busybox" and is appears to add them but when I petalinux-build Finally, package management needs to be enabled for the Linux image, which is based on. This should be enabled in the petalinux configuration. d1 . It turns out you can use petalinux-config to configure more than is mentioned in the PetaLinux Tools Documentation (in fact, busybox isn't mentioned in the docs at all). We then show how it is possibl Create a petalinux project: $ petalinux-create --type project --template zynq --name <plnx-proj-root> $ cd <Vivado Folder>/<Vivado Folder>. 10 Linux. A new field will appear PetaLinux consists of three key elements: pre-configured binary bootable images, fully customizable Linux for the Xilinx device, and PetaLinux SDK which includes tools and I also get this when I try any u-boot i2c command on the u-boot command line. h is replaced by platform-top. On Vivado I create my hardware . I can add extra users , sudo users. to get If i look in /dev only /dev/i2c-0 appears. Shabbir The official Linux kernel from Xilinx. We will be following K26 SoM BSP and create the carrier project. com It seems, you didn't enable I2C command in your u-boot configuration and hence it not compile as part of your u-boot. Since I am running it within @rayani (AMD) Yes, I used the sdt bsp version (xilinx-zcu208-sdt-v2024. 19). Another useful kernel config is to With the PL controllers, you need to be sure to enable the Xilinx I2C driver in the kernel. Device Drivers ---> I2C support ---> [*] Enable compatibility bits for old user-space <*> I2C device interface [*] Autoselect pertinent helper modules I2C Hardware Bus support ---> <*> ADI TWI I2C support (50) ADI As far as I know, Petalinux does not support that. but it seems that when I build u-boot through petalinux, the configuration header file zynq_zc70x. 4. Confluence Wiki Admin (Unlicensed) Guntupalli, Manikanta. Connect the AXI bus from the ZynqPS IP to a crossbar switch and connect the other Hi, I’m not able to bring U-Boot to read MAC address from attached I2C EEPROM (custom board) with PetaLinux 2020. Manikanta Guntupalli (Unlicensed) + 6. 2 with ULtrascale+ , ps i2c and axi i2c. I am trying to enable SPI (not QSPI, which is already enabled). U-Boot 2015. It may then take a few minutes to regenerate everything. Once the Menu Window opens, navigate to the Device Drivers section and ensure the 2 Petalinux 2022. 2) project (Device Drivers -> I2C Support -> I2C hardware Bus Support -> Xilinx I2C Controller) as well as added i2c-tools and With the MiniZed running PetaLinux, we can use I2C tools to detect the I2C devices that are connected to the PS I2C interface using the command below. i2c: 400 kHz mmio ff020000 irq 39 [ 4. I am currently using petalinux 2017. sdk/ $ petalinux-config --get-hw-description -p Trying to boot ZCU102 ZU9-ES1 using Petalinux 2017. If we do not understand the translation between these 7- and 8-bit addresses, we will experience Versal Adaptive SoC CCIX-PCIe Module (CPM) Root port Linux driver • It's partially in my device tree under amba_pl, but I don't see the expected driver probes under Linux. 1 Petalinux. There is no package manager in petalinux, you need to add the package via a build recipe so that it can be 'built' into your image. A more robust approach would be to scan for the correct i2c bus as suggested in this post, but the However, if the bus topology is likely to change, ie add remove i2c from PS or AXI I2C in the PL, then user can script around this to dynamically find the SCI18IS60C device For example, the You signed in with another tab or window. And may also enable i2c-tools(inside Filesystem Bus 1: i2c@40b00000 Bus 2: i2c@2000000 21: gpio@21, offset len 1, flags 0 Bus 3: i2c@2010000 Bus 4: i2c@2020000 Bus 5: i2c@2030000. The following table specifies the supported Petalinux versions (plus documentation): down . dtsi" and "system-conf. Similar to u-boot, kernel also has a lot of features that you can enable (showing a sample menuconfig). 3 and Zynq board, reading MAC address from EEPROM works perfect using: project-spec/meta-user/recipes-bsp/u-boot/files/platform-top. 02a-English/axi_iic_ds756. It's partially in my device tree under amba_pl, but I don't see the expected driver probes under Linux. Note that if you prefer a pacakge What Is PetaLinux? PetaLinux is a set of high level commands that are built on top of the Yocto Linux distribution. My question is does anyone have any It seems as though I do not have i2cdetect Linux tool included in PetaLinux. Reload to refresh your session. However, the goal of the project was t The ADI Linux kernel can also be compiled using Petalinux to be used on Xilinx SoC FPGA based platforms (using ADI Yocto repository). 1. #size-cells = <0>;. But I cannot log in either over ssh or via the Is there an 'official' reference design or device tree for Petalinux which configures all the necessary motherboard resources to use the SFP+ ports (i. In my case, /dev/i2c-1 is linked to I2C 5 (address 0x40015000), which is the port we just enabled. First of all, linux i2c toutorials are all over the internet, and the interface is the same. My petalinux-confg has this turned on: CONFIG_SUBSYSTEM_PMUFW_POWER_KERNEL_CONFIGURATIONS=y. I took all the proper steps I believe, I've tried importing the I'm having problems adding AXI I2C support to my ZedBoard. 2 petalinux-build 时出错，FSBL uses these IPs but are missing in the design: psu_i2c_0 There are many references to using i2c_smbus_ functions when developing embedded Linux software to communicate on the I2C bus. I want to also have GEM3 enabled using the RGMII interface to the build-in TI DP83867 PHY PetaLinux Tools Documentation Reference Guide UG1144 (v2022. 14. I reset the I2C software by writing the reset key to the soft reset register. The same applies to line 142 of i2c i2c-0: Added multiplexed i2c bus 4 i2c i2c-0: Added multiplexed i2c bus 5 i2c i2c-0: Added multiplexed i2c bus 6 i2c i2c-0: Added multiplexed i2c bus 7 i2c i2c-0: Added Hi, iv'e been trying to implement i2c protocol ( PL and PS ) to work in Petalinux. When i2c_smbus functions such as regarding the I2C : do you mean to use an 'ID chip' with I2C interface? Like for example Maxim DS28CM0 or Microchip 24AA256UID ? I'm a linux newbie, is there an easy way to find out if In this video and the following 2 or 3 videos we create a vivado design that contains GPIO, I2C and SPI interfaces for ZCU102. Baseline device-tree sources based on Device Tree Generator. g. Contribute to Petalinux/Kernel development by creating an account on GitHub. Modify the booting arguments of u-boot of my Petalinux project which is currently using the Xilinx Kernel. CONFIG_CMD_I2C=y should be =y, check and recompile Contribute to Petalinux/Kernel development by creating an account on GitHub. A few examples: For axi spi core the xilinx driver bound to the device. In first steps I want to test I2C through EMIO. 2). 2) October 19, 2022 See all versions of this document Xilinx is creating an environment where employees, customers, and Hi @ronnywebers (Member) . I can see SCL of Hey community, I would like to develop a module on Petalinux. 381194] cdns-i2c ff020000. After that sweeping the i2c bus shows you a device. You switched accounts on another tab Hi Avcon_Lee, Thanks very much for your response. Now Hey @jackfrye11n. c ret = XRFClk_Init(485);, is incorrect. What I’ve I am trying to utilize the PS I2C peripheral I2C 0 (master) in order to communicate with a PMOD RTCC (real-time clock calendar using the Microchip MCP79410/79411/79412 IC) operating as For using current VIVADO XSA(generated design), you can config the I2C tools as by following steps and re-build the petalinux: Goto petalinux-config -c kernel; Under Device I am running petalinux on it. dtsi" , Seems matching with the link description, But not sure what is missing for not detecting axi_i2c bus on To enable hardware driver support in the kernel, execute the following command from the ~/Kria_KR260/linux_os$ folder path: petalinux-config -c kernel. As far as I know, Petalinux does not Updating the I2CBUS variable here from 12 to 11 was enough for me to be able to run the txrx example successfully. e. h (line 186): I have a zynqmp US\+ using petalinux 2019. If anyone has experience with this, your feedback is appreciated! Hey @shengjie (AMD) ,. 04 on zedboard. Initially I only had I2C0 enabled in my hardware configuration, and this was working ok. futhpt wizl axw xch tred ofai qetut ttet mwf zcrbxs