diff options
| author |   Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2016-05-12 12:00:33 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2016-05-16 13:22:53 -0400 |
| commit | da47b4572056487fd7941c26f73b3e8815ff712a (patch) | |
| tree | 83ad2945e994792b8093169a6c97f73208e987b2 /drivers/net | |
| parent | Merge branch '40GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue (diff) | |
| download | linux-dev-da47b4572056487fd7941c26f73b3e8815ff712a.tar.xz linux-dev-da47b4572056487fd7941c26f73b3e8815ff712a.zip | |
phy: add support for a reset-gpio specification
The framework only asserts (for now) that the reset gpio is not active.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/phy/phy_device.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index e977ba931878..307f72a0f2e2 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -34,6 +34,7 @@ #include <linux/io.h> #include <linux/uaccess.h> #include <linux/of.h> +#include <linux/gpio/consumer.h> #include <asm/irq.h> @@ -1570,9 +1571,16 @@ static int phy_probe(struct device *dev) struct device_driver *drv = phydev->mdio.dev.driver; struct phy_driver *phydrv = to_phy_driver(drv); int err = 0; + struct gpio_descs *reset_gpios; phydev->drv = phydrv; + /* take phy out of reset */ + reset_gpios = devm_gpiod_get_array_optional(dev, "reset", + GPIOD_OUT_LOW); + if (IS_ERR(reset_gpios)) + return PTR_ERR(reset_gpios); + /* Disable the interrupt if the PHY doesn't support it * but the interrupt is still a valid one */ |