All of lore.kernel.org
 help / color / mirror / Atom feed
From: Cyril Chemparathy <cyril-l0cyMroinI0@public.gmane.org>
To: Ryan Mallon <ryan-7Wk5F4Od5/oYd5yxfr4S2w@public.gmane.org>
Cc: "davinci-linux-open-source-VycZQUHpC/PFrsHnngEfi1aTQe2KTcn/@public.gmane.org"
	<davinci-linux-open-source-VycZQUHpC/PFrsHnngEfi1aTQe2KTcn/@public.gmane.org>,
	"dbrownell-Rn4VEauK+AKRv+LV9MX5uipxlwaOVQ5f@public.gmane.org"
	<dbrownell-Rn4VEauK+AKRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>,
	"sameo-VuQAYsv1563Yd54FQh9/CA@public.gmane.org"
	<sameo-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>,
	"khilman-1D3HCaltpLuhEniVeURVKkEOCMrvLtNR@public.gmane.org"
	<khilman-1D3HCaltpLuhEniVeURVKkEOCMrvLtNR@public.gmane.org>,
	"broonie-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org"
	<broonie-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org>,
	"rpurdie-Fm38FmjxZ/leoWH0uzbU5w@public.gmane.org"
	<rpurdie-Fm38FmjxZ/leoWH0uzbU5w@public.gmane.org>,
	"alan-qBU/x9rampVanCEyBjwyrvXRex20P6io@public.gmane.org"
	<alan-qBU/x9rampVanCEyBjwyrvXRex20P6io@public.gmane.org>,
	"spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org"
	<spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>,
	"akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org"
	<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
	"linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org"
	<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
	"lrg-kDsPt+C1G03kYMGBc/C6ZA@public.gmane.org"
	<lrg-kDsPt+C1G03kYMGBc/C6ZA@public.gmane.org>
Subject: Re: [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: <4CE1B651.1060006-7Wk5F4Od5/oYd5yxfr4S2w@public.gmane.org>

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-l0cyMroinI0@public.gmane.org>
>> ---
[...]
>> +	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.

------------------------------------------------------------------------------
Beautiful is writing same markup. Internet Explorer 9 supports
standards for HTML5, CSS3, SVG 1.1,  ECMAScript5, and DOM L2 & L3.
Spend less time writing and  rewriting code and more time creating great
experiences on the web. Be a part of the beta today
http://p.sf.net/sfu/msIE9-sfdev2dev

WARNING: multiple messages have this Message-ID (diff)
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.

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

Thread overview: 74+ 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 ` Cyril Chemparathy
     [not found] ` <1289848334-8695-1-git-send-email-cyril-l0cyMroinI0@public.gmane.org>
2010-11-15 19:12   ` [PATCH v5 01/12] misc: add driver for sequencer serial port Cyril Chemparathy
2010-11-15 19:12     ` Cyril Chemparathy
     [not found]     ` <1289848334-8695-2-git-send-email-cyril-l0cyMroinI0@public.gmane.org>
2010-11-16  7:10       ` Grant Likely
2010-11-16  7:10         ` Grant Likely
     [not found]         ` <20101116071047.GE4074-MrY2KI0G/OVr83L8+7iqerDks+cytr/Z@public.gmane.org>
2010-11-16 16:15           ` Cyril Chemparathy
2010-11-16 16:15             ` Cyril Chemparathy
     [not found]             ` <4CE2AE3C.4040805-l0cyMroinI0@public.gmane.org>
2010-11-16 20:35               ` Grant Likely
2010-11-16 20:35                 ` Grant Likely
     [not found]                 ` <AANLkTik76EY8Xh01YP2Tep6k1ETPO+3idmNuk3pVikJG-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2010-11-16 21:19                   ` Cyril Chemparathy
2010-11-16 21:19                     ` Cyril Chemparathy
2010-11-16 22:23                   ` Russell King - ARM Linux
2010-11-16 22:23                     ` Russell King - ARM Linux
     [not found]                     ` <20101116222340.GF21926-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2010-11-16 23:57                       ` Grant Likely
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     ` 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     ` Cyril Chemparathy
2010-11-15 19:12   ` [PATCH v5 04/12] spi: add ti-ssp spi master driver Cyril Chemparathy
2010-11-15 19:12     ` Cyril Chemparathy
2010-11-15 21:59     ` Ryan Mallon
2010-11-15 21:59       ` Ryan Mallon
     [not found]     ` <1289848334-8695-5-git-send-email-cyril-l0cyMroinI0@public.gmane.org>
2010-11-16  7:22       ` Grant Likely
2010-11-16  7:22         ` Grant Likely
     [not found]         ` <20101116072225.GF4074-MrY2KI0G/OVr83L8+7iqerDks+cytr/Z@public.gmane.org>
2010-11-16  7:47           ` Grant Likely
2010-11-16  7:47             ` Grant Likely
2010-11-16 11:34             ` Mark Brown
2010-11-16 11:34               ` Mark Brown
     [not found]               ` <20101116113409.GH3338-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2010-11-16 20:45                 ` Grant Likely
2010-11-16 20:45                   ` Grant Likely
     [not found]                   ` <20101116204554.GB5016-MrY2KI0G/OVr83L8+7iqerDks+cytr/Z@public.gmane.org>
2010-11-16 22:48                     ` Mark Brown
2010-11-16 22:48                       ` Mark Brown
     [not found]             ` <AANLkTi=utWumLKo9QVWXpkC8WxpgaNJJs+dj=pa2eq-q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2010-11-17  0:17               ` Cyril Chemparathy
2010-11-17  0:17                 ` Cyril Chemparathy
2010-11-17 13:31                 ` Mark Brown
2010-11-17 13:31                   ` Mark Brown
     [not found]                   ` <20101117133136.GA19488-HF5t3jzXg/6ND3a5+9QAFujbO/Zr0HzV@public.gmane.org>
2010-11-17 15:25                     ` David Brownell
2010-11-17 15:25                       ` David Brownell
     [not found]                       ` <781931.83221.qm-g47maUHHHF+ORdMXk8NaZPu2YVrzzGjVVpNB7YpNyf8@public.gmane.org>
2010-11-17 17:54                         ` Cyril Chemparathy
2010-11-17 17:54                           ` Cyril Chemparathy
     [not found]                 ` <4CE31F0E.7050103-l0cyMroinI0@public.gmane.org>
2010-11-17 16:11                   ` Grant Likely
2010-11-17 16:11                     ` Grant Likely
     [not found]                     ` <20101117161130.GC5757-MrY2KI0G/OVr83L8+7iqerDks+cytr/Z@public.gmane.org>
2010-11-17 17:23                       ` Mark Brown
2010-11-17 17:23                         ` Mark Brown
2010-11-17 17:35                       ` Cyril Chemparathy
2010-11-17 17:35                         ` Cyril Chemparathy
2010-11-18  5:46                       ` Greg KH
2010-11-18  5:46                         ` Greg KH
2010-11-25 23:32                         ` Rafael J. Wysocki
2010-11-25 23:32                           ` Rafael J. Wysocki
2010-11-16 14:19           ` David Brownell
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     ` Cyril Chemparathy
2010-11-15 19:12   ` [PATCH v5 06/12] regulator: add driver for tps6524x regulator Cyril Chemparathy
2010-11-15 19:12     ` Cyril Chemparathy
2010-11-15 19:12   ` [PATCH v5 07/12] davinci: add tnetv107x evm regulators Cyril Chemparathy
2010-11-15 19:12     ` Cyril Chemparathy
2010-11-15 19:12   ` [PATCH v5 08/12] gpio: add ti-ssp gpio driver Cyril Chemparathy
2010-11-15 19:12     ` Cyril Chemparathy
     [not found]     ` <1289848334-8695-9-git-send-email-cyril-l0cyMroinI0@public.gmane.org>
2010-11-15 22:38       ` Ryan Mallon
2010-11-15 22:38         ` Ryan Mallon
     [not found]         ` <4CE1B651.1060006-7Wk5F4Od5/oYd5yxfr4S2w@public.gmane.org>
2010-11-16 19:38           ` Cyril Chemparathy [this message]
2010-11-16 19:38             ` Cyril Chemparathy
2010-11-15 19:12   ` [PATCH v5 09/12] davinci: add tnetv107x evm ti-ssp gpio device Cyril Chemparathy
2010-11-15 19:12     ` Cyril Chemparathy
2010-11-15 19:12   ` [PATCH v5 10/12] backlight: add support for tps6116x controller Cyril Chemparathy
2010-11-15 19:12     ` Cyril Chemparathy
2010-11-15 19:12   ` [PATCH v5 11/12] davinci: add tnetv107x evm backlight device Cyril Chemparathy
2010-11-15 19:12     ` Cyril Chemparathy
2010-11-15 19:12   ` [PATCH v5 12/12] davinci: add tnetv107x evm i2c eeprom device Cyril Chemparathy
2010-11-15 19:12     ` 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-l0cymroini0@public.gmane.org \
    --cc=akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org \
    --cc=alan-qBU/x9rampVanCEyBjwyrvXRex20P6io@public.gmane.org \
    --cc=broonie-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org \
    --cc=davinci-linux-open-source-VycZQUHpC/PFrsHnngEfi1aTQe2KTcn/@public.gmane.org \
    --cc=dbrownell-Rn4VEauK+AKRv+LV9MX5uipxlwaOVQ5f@public.gmane.org \
    --cc=khilman-1D3HCaltpLuhEniVeURVKkEOCMrvLtNR@public.gmane.org \
    --cc=linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org \
    --cc=lrg-kDsPt+C1G03kYMGBc/C6ZA@public.gmane.org \
    --cc=rpurdie-Fm38FmjxZ/leoWH0uzbU5w@public.gmane.org \
    --cc=ryan-7Wk5F4Od5/oYd5yxfr4S2w@public.gmane.org \
    --cc=sameo-VuQAYsv1563Yd54FQh9/CA@public.gmane.org \
    --cc=spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.