linux-arm-kernel.lists.infradead.org archive mirror
 help / color / mirror / Atom feed
From: cyril@ti.com (Cyril Chemparathy)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v5 08/12] gpio: add ti-ssp gpio driver
Date: Tue, 16 Nov 2010 14:38:08 -0500	[thread overview]
Message-ID: <4CE2DDA0.1030404@ti.com> (raw)
In-Reply-To: <4CE1B651.1060006@bluewatersys.com>

On 11/15/2010 05:38 PM, Ryan Mallon wrote:
> On 11/16/2010 08:12 AM, Cyril Chemparathy wrote:
>> TI's SSP controller pins can be directly read and written to behave like a
>> GPIO.  This patch adds a GPIO driver that exposes such functionality.
>>
>> Signed-off-by: Cyril Chemparathy <cyril@ti.com>
>> ---
[...]
>> +	spin_lock_init(&gpio->lock);
>> +	platform_set_drvdata(pdev, gpio);
>> +
>> +	gpio->chip.base  = pdata->start;
>> +	gpio->chip.ngpio = 4;
> 
> Is this always four or can the SSP peripheral be configured to have
> varying numbers of gpios. Maybe the number of gpios should be passed via
> platform data?
> 

This can only be 4 (hw defined per-port limit).

I have changed as per your other comments, and will post an update.

Thanks
Cyril.

  reply	other threads:[~2010-11-16 19:38 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-11-15 19:12 [PATCH v5 00/12] tnetv107x ssp drivers Cyril Chemparathy
2010-11-15 19:12 ` [PATCH v5 01/12] misc: add driver for sequencer serial port Cyril Chemparathy
2010-11-16  7:10   ` Grant Likely
2010-11-16 16:15     ` Cyril Chemparathy
2010-11-16 20:35       ` Grant Likely
2010-11-16 21:19         ` Cyril Chemparathy
2010-11-16 22:23         ` Russell King - ARM Linux
2010-11-16 23:57           ` Grant Likely
2010-11-15 19:12 ` [PATCH v5 02/12] davinci: add tnetv107x ssp platform device Cyril Chemparathy
2010-11-15 19:12 ` [PATCH v5 03/12] davinci: add ssp config for tnetv107x evm board Cyril Chemparathy
2010-11-15 19:12 ` [PATCH v5 04/12] spi: add ti-ssp spi master driver Cyril Chemparathy
2010-11-15 21:59   ` Ryan Mallon
2010-11-16  7:22   ` Grant Likely
2010-11-16  7:47     ` Grant Likely
2010-11-16 11:34       ` Mark Brown
2010-11-16 20:45         ` Grant Likely
2010-11-16 22:48           ` Mark Brown
2010-11-17  0:17       ` Cyril Chemparathy
2010-11-17 13:31         ` Mark Brown
2010-11-17 15:25           ` David Brownell
2010-11-17 17:54             ` Cyril Chemparathy
2010-11-17 16:11         ` Grant Likely
2010-11-17 17:23           ` Mark Brown
2010-11-17 17:35           ` Cyril Chemparathy
2010-11-18  5:46           ` Greg KH
2010-11-25 23:32             ` Rafael J. Wysocki
2010-11-16 14:19     ` David Brownell
2010-11-15 19:12 ` [PATCH v5 05/12] davinci: add spi devices on tnetv107x evm Cyril Chemparathy
2010-11-15 19:12 ` [PATCH v5 06/12] regulator: add driver for tps6524x regulator Cyril Chemparathy
2010-11-15 19:12 ` [PATCH v5 07/12] davinci: add tnetv107x evm regulators Cyril Chemparathy
2010-11-15 19:12 ` [PATCH v5 08/12] gpio: add ti-ssp gpio driver Cyril Chemparathy
2010-11-15 22:38   ` Ryan Mallon
2010-11-16 19:38     ` Cyril Chemparathy [this message]
2010-11-15 19:12 ` [PATCH v5 09/12] davinci: add tnetv107x evm ti-ssp gpio device Cyril Chemparathy
2010-11-15 19:12 ` [PATCH v5 10/12] backlight: add support for tps6116x controller Cyril Chemparathy
2010-11-15 19:12 ` [PATCH v5 11/12] davinci: add tnetv107x evm backlight device Cyril Chemparathy
2010-11-15 19:12 ` [PATCH v5 12/12] davinci: add tnetv107x evm i2c eeprom device Cyril Chemparathy

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=4CE2DDA0.1030404@ti.com \
    --to=cyril@ti.com \
    --cc=linux-arm-kernel@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;
as well as URLs for NNTP newsgroup(s).