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net: mvneta: add SFP TX disable handling

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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
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12
drivers/net/mvneta.c
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@ -286,6 +286,7 @@ struct mvneta_port {
struct phy_device *phydev; struct phy_device *phydev;
#if CONFIG_IS_ENABLED(DM_GPIO) #if CONFIG_IS_ENABLED(DM_GPIO)
struct gpio_desc phy_reset_gpio; struct gpio_desc phy_reset_gpio;
struct gpio_desc sfp_tx_disable_gpio;
#endif #endif
struct mii_dev *bus; struct mii_dev *bus;
}; };
@ -1693,6 +1694,9 @@ static int mvneta_probe(struct udevice *dev)
{ {
struct eth_pdata *pdata = dev_get_plat(dev); struct eth_pdata *pdata = dev_get_plat(dev);
struct mvneta_port *pp = dev_get_priv(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; void *blob = (void *)gd->fdt_blob;
int node = dev_of_offset(dev); int node = dev_of_offset(dev);
struct mii_dev *bus; struct mii_dev *bus;
@ -1767,6 +1771,11 @@ static int mvneta_probe(struct udevice *dev)
return ret; return ret;
#if CONFIG_IS_ENABLED(DM_GPIO) #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, gpio_request_by_name(dev, "phy-reset-gpios", 0,
&pp->phy_reset_gpio, GPIOD_IS_OUT); &pp->phy_reset_gpio, GPIOD_IS_OUT);
@ -1775,6 +1784,9 @@ static int mvneta_probe(struct udevice *dev)
mdelay(10); mdelay(10);
dm_gpio_set_value(&pp->phy_reset_gpio, 0); 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 #endif
return board_network_enable(bus); return board_network_enable(bus);