diff options
Diffstat (limited to 'drivers/of/of_mdio.c')
| -rw-r--r-- | drivers/of/of_mdio.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c index 0b2979816dbf..7e4c80f9b6cd 100644 --- a/drivers/of/of_mdio.c +++ b/drivers/of/of_mdio.c @@ -22,6 +22,8 @@ #include <linux/of_net.h> #include <linux/module.h> +#define DEFAULT_GPIO_RESET_DELAY 10 /* in microseconds */ + MODULE_AUTHOR("Grant Likely <grant.likely@secretlab.ca>"); MODULE_LICENSE("GPL"); @@ -221,6 +223,11 @@ int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np) mdio->dev.of_node = np; + /* Get bus level PHY reset GPIO details */ + mdio->reset_delay_us = DEFAULT_GPIO_RESET_DELAY; + of_property_read_u32(np, "reset-delay-us", &mdio->reset_delay_us); + mdio->num_reset_gpios = of_gpio_named_count(np, "reset-gpios"); + /* Register the MDIO bus */ rc = mdiobus_register(mdio); if (rc) |