[PATCH v5 08/12] gpio: add ti-ssp gpio driver
cyril at ti.com
Tue Nov 16 14:38:08 EST 2010
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 at 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.
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