From: s.nawrocki@samsung•com (Sylwester Nawrocki)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH] phy: exynos5-usbdrd: Add facility to toggle vbus gpio on/off
Date: Wed, 09 Apr 2014 14:11:34 +0200 [thread overview]
Message-ID: <534538F6.2010009@samsung.com> (raw)
In-Reply-To: <1397044485-26483-1-git-send-email-gautam.vivek@samsung.com>
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 ?
> Signed-off-by: Vivek Gautam <gautam.vivek@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
next prev parent reply other threads:[~2014-04-09 12:11 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-09 11:54 [PATCH] phy: exynos5-usbdrd: Add facility to toggle vbus gpio on/off Vivek Gautam
2014-04-09 12:11 ` Sylwester Nawrocki [this message]
2014-04-09 12:24 ` Vivek Gautam
2014-04-09 12:38 ` Tomasz Figa
2014-04-10 11:07 ` Vivek Gautam
2014-04-09 13:08 ` Sylwester Nawrocki
2014-04-10 9:09 ` Kishon Vijay Abraham I
2014-04-10 10:32 ` Vivek Gautam
2014-04-12 3:37 ` Felipe Balbi
2014-04-14 8:05 ` Vivek Gautam
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