mail archive of the barebox mailing list
 help / color / mirror / Atom feed
From: Sascha Hauer <s.hauer@pengutronix.de>
To: Antony Pavlov <antonynpavlov@gmail.com>
Cc: barebox@lists.infradead.org
Subject: Re: [RFC 0/2] sandbox: add gpio support with libftdi1
Date: Thu, 16 Feb 2017 08:34:30 +0100	[thread overview]
Message-ID: <20170216073430.4hctt6wnbkfiemtk@pengutronix.de> (raw)
In-Reply-To: <20170215071227.31183-1-antonynpavlov@gmail.com>

Hi Antony,

On Wed, Feb 15, 2017 at 10:12:25AM +0300, Antony Pavlov wrote:
> This patch series makes it possible to use FT2232H ACBUS[7:0]
> pins as gpio pins from sandbox barebox.
> 
> I have tested output gpio functionality by connecting
> a LED to ACBUS[0] and lightening it with gpio_direction_output
> and gpio_set_value barebox commands.
> 
> Also I have performed input test with ACBUS[0] -> ACBUS[1] loopback.
> 
> The main goal of adding gpio functionality to sandbox barebox
> is using it for connecting real i2c and spi devices to sandbox barebox
> (not tested yet).

I just read that the FT2232H can even do native I2C and SPI, so no gpio
bitbanging would be necessary. Would it be possible to use this mode
instead?

Otherwise I think there should be a possibility to specify which, if
any, FT2232H chip barebox uses.

Sascha

-- 
Pengutronix e.K.                           |                             |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |

_______________________________________________
barebox mailing list
barebox@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/barebox

  parent reply	other threads:[~2017-02-16  7:34 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-02-15  7:12 Antony Pavlov
2017-02-15  7:12 ` [RFC 1/2] sandbox: avoid symbol conflict for {open,read,close}dir Antony Pavlov
2017-02-15  7:12 ` [RFC 2/2] sandbox: add gpio support with libftdi1 Antony Pavlov
2017-02-16  7:34 ` Sascha Hauer [this message]
2017-02-16  8:28   ` [RFC 0/2] " Antony Pavlov
2017-02-16  8:25     ` Sascha Hauer
2017-02-16 11:11   ` Ian Abbott

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20170216073430.4hctt6wnbkfiemtk@pengutronix.de \
    --to=s.hauer@pengutronix.de \
    --cc=antonynpavlov@gmail.com \
    --cc=barebox@lists.infradead.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox