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From 04/14/2017 to 05/13/2017

05/10/2017

03:27 PM Software Development: RE: Altera spi
Brian,
Would you mind posting your updated spi_test.c? I'll see if I can recreate what you're seeing on my dev kit...
Daniel Vincelette

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
 

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