Tested-By: Dennis Gilmore <dgilm...@redhat.com> El mié, 05-12-2018 a las 00:39 +0800, Aditya Prayoga escribió: > This patch add GPIO configuration support in mvneta driver. > Driver will handle PHY reset. GPIO pins should be set in device tree. > > Ported from mvpp2x > [https://patchwork.ozlabs.org/patch/799654/] > > Initial discussion to port the changes into mvneta > [https://patchwork.ozlabs.org/patch/1005765/] > > Signed-off-by: Aditya Prayoga <adi...@kobol.io> > --- > drivers/net/mvneta.c | 15 +++++++++++++++ > 1 file changed, 15 insertions(+) > > diff --git a/drivers/net/mvneta.c b/drivers/net/mvneta.c > index 8cb04b5..333be8f 100644 > --- a/drivers/net/mvneta.c > +++ b/drivers/net/mvneta.c > @@ -27,6 +27,7 @@ > #include <asm/arch/soc.h> > #include <linux/compat.h> > #include <linux/mbus.h> > +#include <asm-generic/gpio.h> > > DECLARE_GLOBAL_DATA_PTR; > > @@ -274,6 +275,9 @@ struct mvneta_port { > int init; > int phyaddr; > struct phy_device *phydev; > +#ifdef CONFIG_DM_GPIO > + struct gpio_desc phy_reset_gpio; > +#endif > struct mii_dev *bus; > }; > > @@ -1749,6 +1753,17 @@ static int mvneta_probe(struct udevice *dev) > if (ret) > return ret; > > +#ifdef CONFIG_DM_GPIO > + gpio_request_by_name(dev, "phy-reset-gpios", 0, > + &pp->phy_reset_gpio, GPIOD_IS_OUT); > + > + if (dm_gpio_is_valid(&pp->phy_reset_gpio)) { > + dm_gpio_set_value(&pp->phy_reset_gpio, 1); > + mdelay(10); > + dm_gpio_set_value(&pp->phy_reset_gpio, 0); > + } > +#endif > + > return board_network_enable(bus); > } >
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