Critical Link Support

03/12/2024

06:17 PM MitySOM-AM57X PCB Development: RE: Ethernet Connectivity issues with DP83822

Hi,
Okay..will try with DP83822IFRHBR.
Thank you for your support.
With regards
Sandeep S Sandeep Sivadas

04:03 PM MitySOM-AM57X PCB Development: RE: Ethernet Connectivity issues with DP83822

Hi,
Thank you for your prompt support.
Is there any modifications to be done in the kernel side for the fiber ... Sandeep Sivadas

02:58 PM MitySOM-AM57X PCB Development: RE: Ethernet Connectivity issues with DP83822

Hi,
The problem is solved now. We removed the 165 ohm resistance connected in the TDP,TDM, RDP and RDM lines. Now ... Sandeep Sivadas

03/09/2024

05:43 AM MitySOM-AM57X PCB Development: RE: Ethernet Connectivity issues with DP83822

Hi,
I will verify the voltage levels on each lines.
1. For "PRU2MII1RESETn" we are using GPIO 1_4 and modified t... Sandeep Sivadas

03/07/2024

04:36 PM MitySOM-AM57X PCB Development: RE: Ethernet Connectivity issues with DP83822

Q: Do the link lights on the ethernet jack also go on and off?
Yes. Left side led of RJ45 is go on and off. When... Sandeep Sivadas

11:35 AM MitySOM-AM57X PCB Development: Ethernet Connectivity issues with DP83822

Hi,
We designed our own custom AM5728 board with two DP83822 PHYs. Desired phy address are phy0 and phy 1.
In th... Sandeep Sivadas

11/23/2023

01:39 PM MitySOM-AM57X Software Development: RE: spidev loopback testing not working

Hi,
I tried the kernel and u-boot building as suggested and included the "extra" folder. Now SPI communication, Ethe... Sandeep Sivadas

11/22/2023

05:43 AM MitySOM-AM57X Software Development: RE: spidev loopback testing not working

Hi,
I tried the devmem2 commands.The output got as follows
root@mitysom-am57x:/dev# devmem2 0x4A003460
/dev/me... Sandeep Sivadas

11/21/2023

12:57 PM MitySOM-AM57X Software Development: RE: spidev loopback testing not working

Hi Mike,
Output of the spidev_test obtained is
root@mitysom-am57x:~# ./spidev_test -D /dev/spidev4.0 -v
spi m... Sandeep Sivadas

06:16 AM MitySOM-AM57X Software Development: spidev loopback testing not working

Hi,
We tried to configure SPI4 in the devkit by following the guidelines in the below link "(https://support.criti... Sandeep Sivadas