leandrof/u-boot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

net: mvneta: add SFP TX disable handling

Browse Source 
Add support for handling SFP TX disable for MVNETA in the same fashion as
to what MVPP2 is doing in order to enable using SFP-s.

This allows using ethernet on SFP only boards.

Signed-off-by: Robert Marko <robert.marko@sartura.hr>
Reviewed-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
Reviewed-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Robert Marko 2022-03-24 10:57:37 +01:00 committed by Stefan Roese
parent 9b02de8525
commit 2b7beb9c09
1 changed files with 12 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/net/mvneta.c
View File

@ -286,6 +286,7 @@ struct mvneta_port {
struct phy_device *phydev;
#if CONFIG_IS_ENABLED(DM_GPIO)
struct gpio_desc phy_reset_gpio;
struct gpio_desc sfp_tx_disable_gpio;
#endif
struct mii_dev *bus;
};
@ -1693,6 +1694,9 @@ static int mvneta_probe(struct udevice *dev)
{
struct eth_pdata *pdata = dev_get_plat(dev);
struct mvneta_port *pp = dev_get_priv(dev);
#if CONFIG_IS_ENABLED(DM_GPIO)
struct ofnode_phandle_args sfp_args;
#endif
void *blob = (void *)gd->fdt_blob;
int node = dev_of_offset(dev);
struct mii_dev *bus;
@ -1767,6 +1771,11 @@ static int mvneta_probe(struct udevice *dev)
return ret;
#if CONFIG_IS_ENABLED(DM_GPIO)
ret = dev_read_phandle_with_args(dev, "sfp", NULL, 0, 0, &sfp_args);
if (!ret && ofnode_is_enabled(sfp_args.node))
gpio_request_by_name_nodev(sfp_args.node, "tx-disable-gpio", 0,
&pp->sfp_tx_disable_gpio, GPIOD_IS_OUT);
gpio_request_by_name(dev, "phy-reset-gpios", 0,
&pp->phy_reset_gpio, GPIOD_IS_OUT);
@ -1775,6 +1784,9 @@ static int mvneta_probe(struct udevice *dev)
mdelay(10);
dm_gpio_set_value(&pp->phy_reset_gpio, 0);
}
if (dm_gpio_is_valid(&pp->sfp_tx_disable_gpio))
dm_gpio_set_value(&pp->sfp_tx_disable_gpio, 0);
#endif
return board_network_enable(bus);