net: zynq_gem: Use max-speed property from dt
Add support to use max-speed property from dt for
determining the supported speed. Use 1000Mbps as
default.
Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c
index 1390c36..dd36a8c 100644
--- a/drivers/net/zynq_gem.c
+++ b/drivers/net/zynq_gem.c
@@ -182,6 +182,7 @@
int phy_of_handle;
struct mii_dev *bus;
struct clk clk;
+ u32 max_speed;
bool int_pcs;
};
@@ -341,6 +342,12 @@
priv->phydev->supported &= supported | ADVERTISED_Pause |
ADVERTISED_Asym_Pause;
+ if (priv->max_speed) {
+ ret = phy_set_supported(priv->phydev, priv->max_speed);
+ if (ret)
+ return ret;
+ }
+
priv->phydev->advertising = priv->phydev->supported;
if (priv->phy_of_handle > 0)
@@ -704,6 +711,8 @@
}
priv->interface = pdata->phy_interface;
+ priv->max_speed = fdtdec_get_uint(gd->fdt_blob, priv->phy_of_handle,
+ "max-speed", SPEED_1000);
priv->int_pcs = fdtdec_get_bool(gd->fdt_blob, node,
"is-internal-pcspma");