net: introduce MDIO DM class for MDIO devices
Adds UCLASS_MDIO DM class supporting MDIO buses that are probed as
stand-alone devices. Useful in particular for systems that support
DM_ETH and have a stand-alone MDIO hardware block shared by multiple
Ethernet interfaces.
Signed-off-by: Alex Marginean <alexm.osslist@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
diff --git a/cmd/mdio.c b/cmd/mdio.c
index 5e219f6..a6fa926 100644
--- a/cmd/mdio.c
+++ b/cmd/mdio.c
@@ -203,6 +203,11 @@
if (argc < 2)
return CMD_RET_USAGE;
+#ifdef CONFIG_DM_MDIO
+ /* probe DM MII device before any operation so they are all accesible */
+ dm_mdio_probe_devices();
+#endif
+
/*
* We use the last specified parameters, unless new ones are
* entered.