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.
next prev parent 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
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