Activity
From 05/08/2023 to 06/06/2023
06/06/2023
- JC 07:06 PM MitySOM-AM57X PCB Development: RE: Design support for USB for use with AM57x SOM
- The USB2_DM/DP supports 5V voltage level. Datasheet will be updated on next release.
- JC 02:11 PM MitySOM-AM57X PCB Development: RE: Design support for USB for use with AM57x SOM
- Thanks, I'll look into it. I'm pretty sure that's incorrect.
- SS 05:49 AM MitySOM-AM57X PCB Development: RE: Design support for USB for use with AM57x SOM
- Hi Jonathan,
*1. For USB2, it is mentioned that voltage level is 1.8V. We need to connect these signals to USB3.0 StdA Connector
Can you point me to the documentation your referencing?*
https://www.criticallink.com/wp-cont... - (Posted by Tom on behalf of customer -- I am working to resolve the locked account issue)
in my work I use your L138-FX-325-RC chips, to which I added self-built base boards with peripherals.
Recently, I built a prototype of a measur...
06/05/2023
- JC 09:31 PM MitySOM-AM57X PCB Development: RE: Design support for USB for use with AM57x SOM
- Schematic review:
* Both schematics are using VUSB_VBUS1 as a net name. One of them is probably supposed to be VUSB_VBUS2.
* The SOM already contains 0.1uF caps on the USB1_SSTX_P/N lines, I don't believe they should be on the baseboa... - Hi,
We need to integrate one USB 3.0, one USB 2.0 and one Debug USB with our application system.
1. For USB2, it is mentioned that voltage level is 1.8V. We need to connect these signals to USB3.0 StdA Connector
2. But for USB1... - JC 06:46 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P PCB Development: RE: VSEL_SD functionality
- No problem. I condensed all this info into a wiki page for future reference as well. And have initiated changes for our datasheet and errata to correct the signal name.
https://support.criticallink.com/redmine/projects/mitysom_am62x... - PS 06:25 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P PCB Development: RE: VSEL_SD functionality
- Thank you very much to both of you for the quick and extensive answer. The key information that the voltage of VDDSHV5 is controlled via the VSEL_SD pin might be worth putting into the datasheet. Special thanks for the pointers on the er...
- JC 05:51 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P PCB Development: RE: VSEL_SD functionality
- The software side of the SD voltage selection is configured here:
https://support.criticallink.com/gitweb/?p=linux-ti.git;a=blob;f=arch/arm64/boot/dts/ti/k3-am62x-mitysom-devkit.dts;h=725aba2f30bb44c86b9d86d432cae15f3b08f067;hb=refs/h... - JC 03:02 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P PCB Development: RE: VSEL_SD functionality
- Pal Szabo wrote:
> What is the functionality of the VSEL_SD pin (position 176 on the SODIMM connector)? Is it the same signal as VD_SEL mentioned in Note 8 in the MitySOM-AM62 datasheet on page 18? The datasheet does not contain more in... - PS 09:05 AM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P PCB Development: RE: JTAG TRSTn pulldown and other JTAG pullups
- Thank you very much Mike, this clarifies the implemented pulls!
06/04/2023
- MW 10:37 AM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P PCB Development: RE: VSEL_SD functionality
- Hi Paul,
The VSEL_SD pin is connected to pin 12 of a TPS65219 PMIC on the SOM. VSEL_SD selects which voltage is applied to the AM62x VDDSHV5 voltage domain. The voltage is also present on the edge connector pin 172 as (VDDSHV_SDIO)....
06/03/2023
- What is the functionality of the VSEL_SD pin (position 176 on the SODIMM connector)? Is it the same signal as VD_SEL mentioned in Note 8 in the MitySOM-AM62 datasheet on page 18? The datasheet does not contain more information about it, ...
06/02/2023
- JC 03:31 PM MitySOM-AM57X Software Development: RE: USB touch screen support for AM572x development board
- Note you can update the command line args for the HelloWorld example to work without weston as well.
!clipboard-202306021130-ie2bs.png!
- JC 03:29 PM MitySOM-AM57X Software Development: RE: USB touch screen support for AM572x development board
- Sandeep Sivadas wrote in message#6366:
> Hi Jonathan,
> ...
Okay, that is good news. At least some things are working with the touch screen.
>
> ...
So after some quick googling, I'm seeing a lot of results describing issues betwe... - SS 05:47 AM MitySOM-AM57X Software Development: RE: USB touch screen support for AM572x development board
- Hi Jonathan,
We tried the evtest and weston commands. But the matrix GUI application is not responding to USB touch.
Then we stop the matrix GUI application and opened the wayland terminal, here the USB touch is working.
We tried w... - JC 02:51 PM MitySOM-AM57X Software Development: RE: Support for Qt creator application for MitySOM AM57x
- Sandeep Sivadas wrote in message#6367:
> Hi Jonathan
> ...
You are right, this was a copy/paste mistake. I've updated the instructions. You found the correct path.
>
> ...
Can you check again after setting up the compilers? You ma... - SS 09:58 AM MitySOM-AM57X Software Development: RE: Support for Qt creator application for MitySOM AM57x
- Hi Jonathan
We followed the guidelines as per the link https://support.criticallink.com/redmine/projects/mitysom_am57x/wiki/QT_Starter_Guide_2022 and installed Qt Creator,Qt5 Designer,Qt5 Assistant,Qt5 Linguist.(Qt Version:5.9.5)
... - MW 12:56 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P PCB Development: RE: JTAG TRSTn pulldown and other JTAG pullups
- I corrected the last post. TDO is not pulled up or down on the SOM.
- MW 12:55 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P PCB Development: RE: JTAG TRSTn pulldown and other JTAG pullups
- Hello,
The SOM includes the following on the JTAG related lines:
* 4.7K Pulldown on TRSTn
* 4.7k Pullup to VDDSHV_MCU on the following lines:
** TCK
** TDI
** TMS
** EMU0
** EMU1
This is a snippet of the schematic on the S... - The AM62x datasheet states (in section 6.4) that an external pulldown is required on the TRSTn line. Is this implemented on the module (if so, it might not be publicly documented), or the host board needs to add this pulldown?
What ab...
05/31/2023
- JC 02:25 PM MitySOM-AM57X Software Development: RE: USB touch screen support for AM572x development board
- > hid-generic 0003:0461:0022.0003: input: USB HID v1.00 Device
Okay good news, looks like the HID driver is getting loaded.
You should be able to use the "evtest" command to test the input device to make sure touch events are working... - SS 05:44 AM MitySOM-AM57X Software Development: RE: USB touch screen support for AM572x development board
- Hi Jonathan,
Thank you for your support.
When i connected the Newhaven Display's USB with the AM572x Development kit, got the following printout messages
[ 3267.951725] usb 1-1.2: new full-speed USB device number 5 using xhci-hc... - SS 12:08 PM MitySOM-AM57X PCB Development: RE: Design support for DP83640 Phy IC for use with AM57x SOM
- Hi Michael,
We are planned to do our ethernet design with IEEE 1588 PTP hardware support with RJ45 and Fibre communication.
But since there is this IO level voltage differences we are planning to design the circuit with DP83822 Phy....
05/30/2023
- JC 07:26 PM MitySOM-AM57X Software Development: RE: Support for Qt creator application for MitySOM AM57x
- FYI
- JC 07:25 PM MitySOM-AM57X Software Development: RE: Support for Qt creator application for MitySOM AM57x
- Sandeep Sivadas wrote:
> Hi,
> ...
In my experience, you should use the latest version of QT creator and expect it to work with whatever version of QT you are developing for.
The version of QT that ships with the "20220323 tisdk-ro... - Hi,
We have to develop a QT application for our AM57x Development board. which version of QT creator is supported with AM57x ?
Is there any example programs and getting started tutorials for the same.
with regards
Sandeep S - JC 05:48 PM MitySOM-AM57X Software Development: RE: USB touch screen support for AM572x development board
- Newhaven doesn't provide a lot of details on this USB touch interface other than it's a "USB-HID device". Which I would normally expect to fall under the same standard driver used by the USB mouse. But since the mouse worked and this d...
- Hi,
We are using a Capacitive HDMI TFT Module (Make: Newhaven) with AM572x development board. On booting the linux with SD card provided with the Development kit, the USB touch is not working.
We can connect mouse device with the US... - MW 02:56 PM MitySOM-AM57X PCB Development: RE: Design support for DP83640 Phy IC for use with AM57x SOM
- Hi Sandeep,
As mentioned in the datasheet, all of the VDDSHVx pins with the exception of VDDSHV8 (for the MMC/SD interface) are connected to 1.8V on the MitySOM-AM57x.
You will need to use 1.8V compatible IO PHY on the PR2_MII0 a... - Hi,
We have some doubts regarding designing the Ethernet circuit using DP83640(For PTP hardware time stamp).
1. The voltage levels for PR2_MII0 and PR2_MII1 signals are 1.8V in the SOM. These signals are connected to DP83822 Phy IC... - JC 02:22 PM MitySOM-AM57X Software Development: RE: Example USB (usb 3.0 port) is not work
- Was able to verify that when plugged into a usb2.0 port, the gadget reports high-speed config and then reports super-speed config when plugged into usb3.0 port.
05/26/2023
- SS 07:58 AM MitySOM-AM57X PCB Development: RE: Mismatch in 100 Pin connector in schematic and datasheet
- Hi Michael,
1. We tried to convert the Altium files to Cadence, then it shows converts only ASCII format file of PCB board.
2. After cleared the Web browser cache, i can download the updated datasheets. Will proceed with the mechanic...
05/25/2023
- MW 12:38 PM MitySOM-AM57X PCB Development: RE: Mismatch in 100 Pin connector in schematic and datasheet
- HI Sandeep,
1. The design files are in Altium Designer. I will ask Tom Catalino to send you an updated version of them, I believe you have communicated with him beofre. You may need to find an importer. I will check to see if we h... - MW 10:30 AM MitySOM-AM57X Software Development: RE: Query - Example Baseboard I2C Power Monitor
- The original linux kernel driver for the LTC2945 has a 0.001 Ohm resistor value hardcoded in the logic that converts measured voltage across the sense resistor to current.
Our current / released board design has been using 0.01 Ohms ...
Hi,
We tested the i2C power monitor as per the below link and got the result as shown below.
https://support.criticallink.com/redmine/projects/mitysom_am57x/wiki/Example_Baseboard_I2C_Power_Monitor
root@mitysom-am57x:/sys/cla...
05/24/2023
- SS 12:51 PM MitySOM-AM57X PCB Development: RE: Mismatch in 100 Pin connector in schematic and datasheet
- Hi Michael,
Thank you for the clarification.
1. Can we get the Allegro cadence PCB file for the MitySOM AM572x Development Kit. We are using cadence for PCB design.
2. We are in the process of PCB designing. Can you please clar... - MW 11:31 AM MitySOM-AM57X PCB Development: RE: Mismatch in 100 Pin connector in schematic and datasheet
- Hi Sandeep,
I am sorry for the confusion.
The hirose datasheets don't appear to specify a "pin 1" for these connectors, which is why we have identified "pin 1" on the MitySOM-AM57x Datasheet (figure 3). I think this is partially b... - Hi,
There is a mismatch in 100 pin DF40HC(3.0)-100DS-0.4V(58) connector pin details in schematic design and datasheet provided.
Connector J14 : HDMI1_DATA2Y - Pin No: 4 ( In schematic)
In the datasheet, HDMI1_DATA2Y marked as Pi...
05/12/2023
- MF 08:00 AM MitySOM-AM57X Software Development: RE: Example USB (usb 3.0 port) is not work
- * R59<notextile>(</notextile>USB_ID) behavior
> Can you measure the voltage on R59? (this is on the underside of the board and should be unpopulated). Both sides should be ~1.8V when no drive is plugged in.
> ...
Both sides were 1.77...
05/11/2023
- JC 03:29 PM MitySOM-AM57X PCB Development: RE: eMMC support for MitySOM AM572x
- Sandeep Sivadas wrote:
> Hi,
> ...
The memory size depends on how much space you need for your product
For example this one, MTFC64GAPALBH-IT, which comes in a variety of sizes 8GB, 16GB, 32GB, 64GB, 128GB, e.MMC v5.1, 153-ball TFB... - JC 03:11 PM MitySOM-AM57X Software Development: RE: Example USB (usb 3.0 port) is not work
- Note it can also be a good idea to try a usb-C connector in both directions in case one direction is broken.
- JC 03:05 PM MitySOM-AM57X Software Development: RE: Example USB (usb 3.0 port) is not work
- )Masayoshi Furuta wrote in message#6343:
> > tisdk-rootfs-image-mitysom-am57x-20210909.rootfs.img.zip
> ...
Okay, at least we are working from a known state.
>
> ...
Can you measure the voltage on R59? (this is on the underside of t... - MF 01:21 AM MitySOM-AM57X Software Development: RE: Example USB (usb 3.0 port) is not work
- > tisdk-rootfs-image-mitysom-am57x-20210909.rootfs.img.zip
The new image could NOT solve the problem either.
I was able to download the image you restored and tried the USB 3.0 host operation.
However, when I connected the device,...
05/10/2023
- JC 02:40 PM MitySOM-AM57X Software Development: RE: Example USB (usb 3.0 port) is not work
- Jonathan Cormier wrote in message#6341:
> Masayoshi Furuta wrote:
> ...
Main server has been restored - JC 02:11 PM MitySOM-AM57X Software Development: RE: Example USB (usb 3.0 port) is not work
- Masayoshi Furuta wrote:
> https://support.criticallink.com/redmine/projects/mitysom_am57x/wiki/Example_usb
> ...
Sorry you caught us at a bad time, we had a power outage yesterday so the support site was switched over to a backup locat... - https://support.criticallink.com/redmine/projects/mitysom_am57x/wiki/Example_usb
I tested with this procedure and got the following results.
We tested with two DevKits with the same results.
* USB-2.0 Ports on MitySOM AM54 board r...
05/09/2023
- JC 01:37 PM MitySOM-AM57X Software Development: RE: Yocto build for mitySOM AM57x
- Sandeep Sivadas wrote in message#6337:
> Hi,
> ...
You can update/customize the kernel without rebuilding the whole filesystem. You just need to update the files located on the boot partition of the sdcard.
See https://support.criti... - SS 04:29 AM MitySOM-AM57X Software Development: RE: Yocto build for mitySOM AM57x
- Hi,
1. In the meantime, you should be able to use the released filesystem and replace just the kernel on it. And be able to make headway with customizing your kernel.
Q. Can you please clarify the point above.I didnt get how to d... - Hi,
We need to integrate eMMC Flash with MitySOM SOM. Please suggest appropriate Part No: for the same.
What will be the memory size needed for eMMC ?
Thanks and regards
Sandeep S
05/08/2023
- JC 07:19 PM MitySOM-AM57X Software Development: RE: Yocto build for mitySOM AM57x
- Added some fixes for a few recipes which SRC urls changed slightly. Let me know if you run into any more issues.