Project

General

Profile

Activity

From 04/10/2017 to 05/09/2017

05/09/2017

06:46 PM Software Development: RE: Altera spi
Thanks Dan,
This cleared up the errors on the DTB. I have tried to run the spi_test.c provided in a different post a...
Brian Wentworth

05/08/2017

06:18 PM Software Development: RE: Altera spi
Hi Brian,
Sorry you'll also have to set #size-cells to 0x0 for the altera spi driver nodes, this info was taken fr...
Daniel Vincelette
05:11 PM Software Development: RE: Altera spi
I'm still getting the same error. Brian Wentworth
04:57 PM Software Development: RE: Altera spi
Hi Brain,
Sorry for the delay. Looking at the warnings you're getting from the critical link toolchain you need to...
Daniel Vincelette
01:24 PM Software Development: RE: Altera spi
I was able to comply the DTB using a tool chain from rocketboards and a spi device showed up under /dev/spidev. Writi... Brian Wentworth

05/02/2017

07:59 PM Software Development: RE: Altera spi
Thanks for the reply. I have updated the dts and I'm getting the following warnings:
Warning (reg_format): "reg" p...
Brian Wentworth
02:54 PM Software Development: RE: Altera spi
Hi Brian,
Are you trying to use the device from user space with the spidev driver? If so, then you need to fix th...
Michael Williamson

05/01/2017

02:48 PM Software Development: Altera spi
I am trying to use an altera spi as a master. I have enabled the driver in the kernel and added the device to the DTB... Brian Wentworth

04/15/2017

02:41 PM Software Development: RE: SPI Comm - can transmit data from Linux, but not receive
For completeness:
I think the reason U-boot wouldn't boot the device tree I attached for you is because it's too l...
Jared Kirschner

04/14/2017

06:01 PM Software Development: RE: SPI Comm - can transmit data from Linux, but not receive
That's awesome to hear! Sorry for the bit of delay, I was working on packaging up my old build to send out to you guy... Daniel Vincelette
05:57 PM Software Development: RE: SPI Comm - can transmit data from Linux, but not receive
Update:
We got loopback working (so no longer need the FPGA project to compare with).
After regenerating our pr...
Jared Kirschner
05:04 PM Software Development: RE: SPI Comm - can transmit data from Linux, but not receive
Edit: I see the device tree source above, so the FPGA project is the only information we'd need. Jared Kirschner
04:08 PM Software Development: RE: SPI Comm - can transmit data from Linux, but not receive
Hello Dan,
I'm back from vacation and looking into this again with my hardware engineer colleague. Our first attem...
Jared Kirschner
 

Also available in: Atom

Go to top
Add picture from clipboard (Maximum size: 1 GB)