net: zynq: Add support for PHY configuration in SGMII mode

SGMII configuration depends on proper GT setting that's why when node has
phys property call PSGTR driver to configure it properly.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>

diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c
index 56f668c24964432876adbbae51a1dfdd7f81c9c3..8e77711acb75d7bb0c254e638e78f089b07a74f2 100644 (file)
--- a/drivers/net/zynq_gem.c
+++ b/drivers/net/zynq_gem.c
@@ -12,6 +12,7 @@
 #include <common.h>
 #include <cpu_func.h>
 #include <dm.h>
+#include <generic-phy.h>
 #include <log.h>
 #include <net.h>
 #include <netdev.h>
@@ -714,6 +715,21 @@ static int zynq_gem_probe(struct udevice *dev)
        struct zynq_gem_priv *priv = dev_get_priv(dev);
        int ret;
 
+       if (priv->interface == PHY_INTERFACE_MODE_SGMII) {
+               struct phy phy;
+
+               ret = generic_phy_get_by_index(dev, 0, &phy);
+               if (!ret) {
+                       ret = generic_phy_init(&phy);
+                       if (ret)
+                               return ret;
+
+                       ret = generic_phy_power_on(&phy);
+                       if (ret)
+                               return ret;
+               }
+       }
+
        ret = zynq_gem_reset_init(dev);
        if (ret)
                return ret;