Hi Sylwester,

On Wed, Apr 9, 2014 at 5:41 PM, Sylwester Nawrocki
<s.nawro...@samsung.com> wrote:
> Hi Vivek,
>
> On 09/04/14 13:54, Vivek Gautam wrote:
>> Adding support to enable/disable VBUS hooked to a gpio
>> to enable vbus supply on the port.
>
> Does the GPIO control a fixed voltage regulator ? If so, shouldn't
> it be modelled by the regulator API instead ?

No, this GPIO controls a 'current limiting power distribution switch',
which gives the output vbus to usb controller.
Should i model this as a fixed regulator ?

>
>> Signed-off-by: Vivek Gautam <gautam.vi...@samsung.com>
> [...]
>> +     /* Get required GPIO for vbus */
>> +     phy_drd->gpio = of_get_named_gpio(dev->of_node,
>> +                                       "samsung,vbus-gpio", 0);
>> +     if (!gpio_is_valid(phy_drd->gpio))
>> +             dev_dbg(dev, "no usbdrd-phy vbus gpio defined\n");
>> +
>> +     if (devm_gpio_request(dev, phy_drd->gpio, "phydrd_vbus_gpio"))
>> +             dev_dbg(dev, "can't request usbdrd-phy vbus gpio %d\n",
>> +                     phy_drd->gpio);
>
> --
> Regards,
> Sylwester
> --
> To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" 
> in
> the body of a message to majord...@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to