[U-Boot] [PATCH] net: zynq_gem: Use max-speed property from dt
Michal Simek
michal.simek at xilinx.com
Thu Apr 12 10:22:17 UTC 2018
From: Siva Durga Prasad Paladugu <siva.durga.paladugu at xilinx.com>
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 at xilinx.com>
Signed-off-by: Michal Simek <michal.simek at xilinx.com>
---
drivers/net/zynq_gem.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c
index 1390c36c6141..dd36a8c22aa7 100644
--- a/drivers/net/zynq_gem.c
+++ b/drivers/net/zynq_gem.c
@@ -182,6 +182,7 @@ struct zynq_gem_priv {
int phy_of_handle;
struct mii_dev *bus;
struct clk clk;
+ u32 max_speed;
bool int_pcs;
};
@@ -341,6 +342,12 @@ static int zynq_phy_init(struct udevice *dev)
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 @@ static int zynq_gem_ofdata_to_platdata(struct udevice *dev)
}
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");
--
2.17.0
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