diff options
| author | Aditya Prayoga <aditya@kobol.io> | 2018-12-05 00:39:23 +0800 |
|---|---|---|
| committer | Joe Hershberger <joe.hershberger@ni.com> | 2019-01-24 11:35:29 -0600 |
| commit | 18bfc8fa84cd6d748c134b6265786f7d8226f86c (patch) | |
| tree | d8fde132d7af78bd361ae9d51d904c1ad904fb8f /drivers/net/mvneta.c | |
| parent | 92f129f4a098a47bbf889ea31e94edaa16edf256 (diff) | |
net: mvneta: Add GPIO configuration support
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 <aditya@kobol.io>
Tested-by: Dennis Gilmore <dgilmore@redhat.com>
Reviewed-by: Stefan Roese <sr@denx.de>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Diffstat (limited to 'drivers/net/mvneta.c')
| -rw-r--r-- | drivers/net/mvneta.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/net/mvneta.c b/drivers/net/mvneta.c index 8cb04b52d7..333be8ff28 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); } |