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AD7606 Production
The AD7606/AD7606-6/AD7606-4 are 16-bit, simultaneous sampling, analog-to-digital data acquisition systems (DAS) with eight, six, and four channels, respectively...
Datasheet
AD7606 on Analog.com

AD7606C-18 Recommended for New Designs
The AD7606C-18 is an 18-bit, simultaneous sampling, analog-to-digital data acquisition system (DAS) with eight channels. Each channel contains analog input...
Datasheet
AD7606C-18 on Analog.com

AD7606C-16 Recommended for New Designs
The AD7606C-16 is a 16-bit, simultaneous sampling, analog-to-digital data acquisition system (DAS) with eight channels. Each channel contains analog input...
Datasheet
AD7606C-16 on Analog.com

AD7607 Production
The AD7607 is a 14-bit, simultaneous sampling, analog-to-digital data acquisition system (DAS). The part contains analog input clamp protection; a second...
Datasheet
AD7607 on Analog.com

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EVAL-AD7606CFMCZ + ZedBoard

		
	
				

			

									
					    0xbadcaffe
					
							

            
            			
				
									
											
			
			
				
    
			
			
			    	
			                    
                
				                on Dec 14, 2023 
				
			
			
		
    
		
		                     
				
        		
    
		    
		    		    
    
		      		            		        
    Category: Hardware
    
    		        		            		    
    Product Number:  EVAL-AD7606CFMCZ 
    
    		        		        		        
    Software Version: 1
    
    		    		    
    
		    		    
		    			
    
			    
    Hi 
    

    

    How have you tested this HDL parallel interface design - https://wiki.analog.com/resources/eval/user-guides/ad7606x-fmc/hdl ?
    

    

    Does it work with the NO-OS driver or with Linux Driver?
    

    The AD7606 NO-OS driver supports only serial mode - https://github.com/analogdevicesinc/no-OS/blob/ac149ee97d668c901c8f8e02cdd17b2c8ccb34ea/drivers/adc/ad7606/ad7606.c#L735
    

    

    Thanks
    

    

     
    
			
    
			
									
		                                 
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      •  Analog Employees  
      •  Super User  
      
            
						
                            
            
            				
            
                on Nov 24, 2023 4:45 AM
            
            
						
			            		
      
		
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      Hi,
      

      We'll look into this and get back to you.
      

      Regards,
      

      Andrei
      
			
      

		
			
	      

		
		
	
      
	
      
		
      
			
		
      
	
      
	
      
		
						
						
				
						
				
				
		
		
      
			
		
      
	
      

      

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      •  Analog Employees  
      •  Super User  
      
            
						
                            
            
            				
            
                on Nov 24, 2023 9:53 AM
            
            
						
			            		
      
		
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      Hi,
      

      There is a PR open on HDL and that for sure was tested and works fine. About the one on main, I have to ask my colleagues what the status is.
      

      The Linux driver and device tree to work for this parallel mode is still on a separate branch and not in a PR, but I gathered that it will be pushed for review in the following weeks.
      

      I will get back with more info next week.
      

      Best regards,
      Iulia
      
			
      

		
			
	      

		
		
	
      
	
      
		
      
			
		
      
	
      
	
      
		
						
						
				
						
				
				
		
		
      
			
		
      
	
      

      

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                on Nov 24, 2023 10:09 AM
            
            
												
						in reply to iulia
					
										
			            		
        
		
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        Hi Iulia
        

        Thanks for your efforts.
        

        1. Was this HDL PR, with the serial interface support, tested with the NO-OS AD7607 driver?
        

        2. Can you please point me to a device-tree for the Linux driver? serial or parallel.
        

        

        Thanks!!
        

           
        
			
        

		
			
	      

		
		
	
        
	
        
		
        
			
		
        
	
        
	
        
		
						
						
				
						
				
				
		
		
        
			
		
        
	
        

        

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        •  Analog Employees  
        
            
						
                            
            
            				
            
                on Nov 28, 2023 2:37 AM
            
            
												
						in reply to 0xbadcaffe
					
										
			            		
        
		
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        Hi  ,
        

        As regards the parallel interface of the AD7606x devices, the support is available at the following links (only HDL reference design and Linux driver):
        

        HDL project - link - using a Zedboard platform - parallel interface support;
        

        Linux driver - link - only parallel interface support (in terms of AD7606x chips' configuration using WR/DATA pins);
        

        Do you want to use the AD7606CFMCZ in this case, or the AD7607 eval kit? Thanks.
        

        

        Best regards,
        

        Alin
        
			
        

		
			
	      

		
		
	
        
	
        
		
        
			
		
        
	
        
	
        
		
						
						
				
						
				
				
		
		
        
			
		
        
	
        

        

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                on Nov 28, 2023 4:58 AM
            
            
												
						in reply to alin724
					
										
			            		
          
		
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          Hi Alin
          

          I don't understand the difference between "AD7606CFMCZ" and "AD7607 eval kit".
          

          If you are referring to the EVAL-SDP-CB1Z + AD7606CFMCZ, then the answer is no.
          

          I want to connect the AD7606CFMCZ to the ZCU102 while using the ZedBoard as a reference design.
          

          I've ported the AD7606x HDL project of the ZedBoard to the ZCU102.
          

          Then I tried to use the NO-OS driver but realized it only uses the serial interface not the parallel interface.
          

          I also tried to use the update_ad7606_spi_engine PR you sent for the HDL serial interface but it still does not work with the NO-OS driver.
          

          I also discovered that the GPIO Signals for the adc_range and adc_os pins in the WIKI have been probably mixed as the adc_os has 3 pins and not the adc_range. 
          

          When I used the AD7607 NO-OS driver I tried to configure the GPIO signals but the mapping for the CONVST and BUSY lines are missing from the WIKI. I also have not found the mapping in the HDL design for those pins. I have obviously changed the EMIO offset to a suit the MPSOC (78 instead of 54).
          

          I've also asked this question in the Precision ADCs forum but have been answered yet.
          

          What should be the offset for the ZedBoard for the CONVST and BUSY signals? 
          

          How did you test the NO-OS driver in serial mode if those pins are missing?
          

          The behavior I encounter is that while doing ad7607_read operation the SPI engine tries to read the SYNC ID [0xC0] register which should turn to 1 but always remains 0 thus the read operation never returns.
          

          Just to mention if it wasn't clear the AD7606CFMCZ is connected to the ZCU102 via FMC0 connector.
          

          I have ordered the ZedBoard from Mouser and will test it with the AD7606CFMCZ also connected via FMC, once it arrives.
          

          As my NO-OS efforts have failed for now (till the ZedBoard arrives) I will look into the AD7606 Linux driver in depth.
          

          The Linux driver suitable for the HDL FMC connector, correct? using the HDL Parallel design?
          

          Any chances you can help with the Device-Tree modifications for the ZCU102?
          

          I've attached the corresponded device-tree for the ZedBoard below.
          



          
    
          
        Fullscreen
        4848.zynq-zed-adv7511-axi-ad7606c-16.txt
        Download
    
          
    
          // SPDX-License-Identifier: GPL-2.0
/*
 * Analog Devices AD7606X
 *
 * hdl_project: <ad7606x_fmc/zed>
 * board_revision: <A>
 *
 * Copyright (C) 2023 Analog Devices Inc.
 */
/dts-v1/;

#include "zynq-zed.dtsi"
#include "zynq-zed-adv7511.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/pwm/pwm.h>

/ {
	axi_ad7606: axi-ad7606 {
		compatible = "axi-ad7606c-16";

		pwms = <&axi_pwm_gen 0 0>;
		pwm-names = "cnvst_n";

		clocks = <&ext_clk>;
		clock-names = "ad7606_conv_clk";

		reset-gpios = <&gpio0 95 GPIO_ACTIVE_HIGH>;
	};
};

/ {
	clocks {
		ext_clk: clock@0 {
			#clock-cells = <0>;
			compatible = "fixed-clock";
			clock-frequency = <100000000>;
		};
	};
};

&fpga_axi {
	rx_dma: dmac@44a30000 {
		compatible = "adi,axi-dmac-1.00.a";
		reg = <0x44a30000 0x1000>;
		#dma-cells = <1>;
		interrupts = <0 57 IRQ_TYPE_LEVEL_HIGH>;
		clocks = <&ext_clk>;

		adi,channels {
			#size-cells = <0>;
			#address-cells = <1>;

			dma-channel@0 {
				reg = <0>;
				adi,source-bus-width = <128>;
				adi,source-bus-type = <2>;
				adi,destination-bus-width = <64>;
				adi,destination-bus-type = <0>;
			};
		};
	};

	axi_pwm_gen: pwm@0x44a60000 {
		compatible = "adi,axi-pwmgen";
		reg = <0x44a60000 0x1000>;
		#pwm-cells = <2>;
		clocks = <&ext_clk>;
	};

	axi_adc_ad7606: cf_axi_adc@44a00000 {
		compatible = "adi,axi-ad7606-1.0";
		reg = <0x44a00000 0x20000>;
		dmas = <&rx_dma 0>;
		dma-names = "rx";
		platformbus-connected = <&axi_ad7606>;
	};

};

          

          


          

          

          Thanks for your help!
          

          

          

          

          

          
			
          

		
			
	      

		
		
	
          
	
          
		
          
			
		
          
	
          
	
          
		
						
						
				
						
				
				
		
		
          
			
		
          
	
          

          

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          •  Analog Employees  
          
            
						
                            
            
            				
            
                on Nov 29, 2023 4:16 AM
            
            
												
						in reply to 0xbadcaffe
					
										
			            		
          
		
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          Hi  ,
          

          0xbadcaffe said:
          I don't understand the difference between "AD7606CFMCZ" and "AD7607 eval kit".
          

          In this case, the AD7607 evaluation kit would be based on the AD7607 IC (link), that is a 14-bit simultaneous sampling ADC with 8 channels (is not supported in the AD7606x project). 
          

          0xbadcaffe said:
          The Linux driver suitable for the HDL FMC connector, correct? using the HDL Parallel design?
          

          As regards the changes to the parallel interface, you can port the current AD7606x design (for the AD7606CFMCZ, that is based on AD7606C-18 or AD7606C-16 ADC) to the corresponding pinout on the ZCU102 (pay attention to the VADJ of ZCU102's FMCs, this is 1.8V, and the constraint file needs to be updated).  In case of linux driver for the parallel interface, you can port the corresponding dts (depending on the evaluation kit - EVAL-AD7606C16FMCZ or EVAL-AD7606C18FMCZ) and make a kernel image in this branch (port to a ZCU102-based dts - using ZCU102 base dts from this link link and make a kernel image using arm64 architecture), using the guide.
          

          Best regards,
          

          Alin
          
			
          

		
			
	      

		
		
	
          
	
          
		
          
			
		
          
	
          
	
          
		
						
						
				
						
				
				
		
		
          
			
		
          
	
          

          

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                on Nov 30, 2023 2:33 AM
            
            
												
						in reply to alin724
					
										
			            		
            
		
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            I see now that I wrote ad7607 regarding the NO-OS driver so I understand the confusion it was a typo error.
            

            What I meant was the ad7606 NO-OS driver to be used along with the AD7606CFMCZ, connected via FMC to the ZCU102.
            

            Because you are not merging code in to the main branch I would be happy if you could clarify my options regarding the AD7606CFMCZ:
            

            Option 1: HDL Main branch + your PR for the Parallel support for the Linux Driver.
            

            Option 2: This branch for the HDL serial interface + AD7606 NO-OS Driver Main Branch
            

            

            Because the noOS driver gets stuck as I mentioned above I moved tot the Linux Driver option.
            

            I was able to build the Linux kernel with Xilinx petalinux tool.
            

            I added the ad7606_conv driver and I see runtime using modinfo.
            

            I don't see it loaded into the kernel yet.
            

            I am working on the device-tree updates for the ZCU102.
            

            As I said I have ordered the ZedBoard for reference but it has not arrived yet.
            

            Have you checked any of the above options on the ZedBoard?
            
			
            

		
			
	      

		
		
	
            
	
            
		
            
			
		
            
	
            
	
            
		
						
						
				
						
				
				
		
		
            
			
		
            
	
            

            

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                on Dec 6, 2023 8:08 AM
            
            
												
						in reply to alin724
					
										
			            		
              
		
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              Do I need to register the device as a platform device? 
              

              Can you provide example for the struct platform_device?
              

               
              
			
              

		
			
	      

		
		
	
              
	
              
		
              
			
		
              
	
              
	
              
		
						
						
				
						
				
				
		
		
              
			
		
              
	
              

              

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              •  Analog Employees  
              
            
						
                            
            
            				
            
                on Dec 15, 2023 7:52 AM
            
            
												
						in reply to 0xbadcaffe
					
										
			            		
              
		
										0
					
	
              

		
		
              
		
              
                                
                                                            
              
					
              Hello Oxbadcaffe,
              

              AD7606c-16/-18 parallel interface support for Linux is in this branch https://github.com/analogdevicesinc/linux/tree/dev_ad7606_pi.
              

              No need to provide platform device structs in Linux. Use either
              

              https://github.com/analogdevicesinc/linux/blob/dev_ad7606_pi/arch/arm/boot/dts/zynq-zed-adv7511-axi-ad7606c-16.dts
              

              or
              

              https://github.com/analogdevicesinc/linux/blob/dev_ad7606_pi/arch/arm/boot/dts/zynq-zed-adv7511-axi-ad7606c-18.dts
              

              Built versions of those (I postfixes .txt to file names to be able to upload them but they are dtb files):
              

              



              
    
              
        Fullscreen
        zynq-zed-adv7511-axi-ad7606-16b .dtb.txt
        Download
    
              
    
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Zclocksclock@0#fixed-clock��	#address-cells#size-cellscompatibleinterrupt-parentmodeldevice_typeregclocksclock-latencycpu0-supplyoperating-pointsphandlefpga-mgrrangesinterruptsregulator-nameregulator-min-microvoltregulator-max-microvoltregulator-boot-onregulator-always-onclock-namesremote-endpointu-boot,dm-pre-relocstatustx-fifo-depthrx-fifo-depth#gpio-cellsgpio-controllerinterrupt-controller#interrupt-cellsarm,data-latencyarm,tag-latencycache-unifiedcache-levelis-dualnum-csspi-max-frequencylabelphy-handlephy-modemarvell,reg-init#clock-cellsfclk-enableclock-output-namesps-clk-frequency#reset-cellssysconinterrupt-names#dma-cells#dma-channels#dma-requestsphy_typedr_modexlnx,phy-reset-gpiotimeout-seccpuethernet0serial0bootargsstdout-pathreg-namesadi,input-depthadi,input-colorspaceadi,input-clockadi,input-styleadi,input-justificationadi,clock-delay#sound-dai-cellsadi,source-bus-widthadi,source-bus-typeadi,destination-bus-widthadi,destination-bus-typedmasdma-names#pwm-cellsplatformbus-connectedclock-frequencysimple-audio-card,namesimple-audio-card,widgetssimple-audio-card,routingformatsound-daigpiospwmspwm-namesadi,adc_serparadi,adc_refseladi,adc_resetadi,adc_standbyadi,adc_rangeadi,adc_os
              

              





              
    
              
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        zynq-zed-adv7511-axi-ad7606-18b .dtb.txt
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ref_clkpclkspi@e0007000xlnx,zynq-spi-r1p6I�p	7disabled&�1M#
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adi,adau1761I;Mmclk~ i2c@41620000(xlnx,axi-iic-1.01.bxlnx,xps-iic-2.00.aIAb&�7Mpclkeeprom@50at24,24c02IPdma@43000000adi,axi-dmac-1.00.aIC��;Madi,channelsdma-channel@0I�@��@�axi-clkgen@79000000adi,axi-clkgen-2.00.aIy#Ms_axi_aclkclkin1axi_hdmi@70e00000adi,axi-hdmi-tx-1.00.aIp���videoMportendpointaxi-spdif-tx@75c00000adi,axi-spdif-tx-1.00.aIu���txMaxiref~axi-i2s@77600000adi,axi-i2s-1.00.aIw`��txrxMaxiref~axi-sysid-0@45000000adi,axi-sysid-1.00.aIEdmac@44a30000adi,axi-dmac-1.00.aID���9Madi,channelsdma-channel@0I����@�pwm@0x44a60000adi,axi-pwmgenID��M!cf_axi_adc@44a00000adi,axi-adc-10.0.aID���rxaudio_clockfixed-clock#��adv7511_hdmi_sndsimple-audio-card
+HDMI monitorBSpeakerSpeaker\SpeakerTXsimple-audio-card,dai-link@0vspdifcpu}codec}zed_soundsimple-audio-card
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Zclocksclock@0#fixed-clock��	#address-cells#size-cellscompatibleinterrupt-parentmodeldevice_typeregclocksclock-latencycpu0-supplyoperating-pointsphandlefpga-mgrrangesinterruptsregulator-nameregulator-min-microvoltregulator-max-microvoltregulator-boot-onregulator-always-onclock-namesremote-endpointu-boot,dm-pre-relocstatustx-fifo-depthrx-fifo-depth#gpio-cellsgpio-controllerinterrupt-controller#interrupt-cellsarm,data-latencyarm,tag-latencycache-unifiedcache-levelis-dualnum-csspi-max-frequencylabelphy-handlephy-modemarvell,reg-init#clock-cellsfclk-enableclock-output-namesps-clk-frequency#reset-cellssysconinterrupt-names#dma-cells#dma-channels#dma-requestsphy_typedr_modexlnx,phy-reset-gpiotimeout-seccpuethernet0serial0bootargsstdout-pathreg-namesadi,input-depthadi,input-colorspaceadi,input-clockadi,input-styleadi,input-justificationadi,clock-delay#sound-dai-cellsadi,source-bus-widthadi,source-bus-typeadi,destination-bus-widthadi,destination-bus-typedmasdma-names#pwm-cellsplatformbus-connectedclock-frequencysimple-audio-card,namesimple-audio-card,widgetssimple-audio-card,routingformatsound-daigpiospwmspwm-namesadi,adc_serparadi,adc_refseladi,adc_resetadi,adc_standbyadi,adc_rangeadi,adc_os
              

              


              

                has tested those with ZedBoard.
              

              If the driver still does not load, can you provide the output of `dmesg` and `iio_info`?
              
			
              

		
			
	      

		
		
	
              
	
              
		
              
			
		
              
	
              
	
              
		
						
						
						
						
				
				
		
		
              
			
		
              
	
              

              

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                on Dec 17, 2023 2:36 AM
            
            
												
						in reply to machschmitt
					
										
			            		
                
		
										0
					
	
                

		
		
                
		
                
                                
                                                            
                
					
                Hi 
                

                I have not received the ZedBoard yet for reference tests.
                

                My main goal is to make the EVAL-AD7606CFMCZ work with the Xilinx ZCU102.
                

                Can you please reply on this thread - ad7606c-16-device-tree-for-zcu102 ? 
                

                Thanks
                
			
                

		
			
	      

		
		
	
                
	
                
		
                
			
		
                
	
                
	
                
		
						
						
				
						
				
				
		
		
                
			
		
                
	
                

                

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