Currently if we have more than one phy on the MDIO bus, we do not have a good mechanism for determining which should be used at runtime. Enable the FEC driver to determine the address for the PHY from the device tree.
Signed-off-by: Martyn Welch martyn.welch@collabora.com
---
Changes in v3: - No changes in v3
Changes in v2: - New in v2
drivers/net/fec_mxc.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+)
diff --git a/drivers/net/fec_mxc.c b/drivers/net/fec_mxc.c index 99c5c649a0..425f6197cb 100644 --- a/drivers/net/fec_mxc.c +++ b/drivers/net/fec_mxc.c @@ -1264,11 +1264,32 @@ static const struct eth_ops fecmxc_ops = { .read_rom_hwaddr = fecmxc_read_rom_hwaddr, };
+static int device_get_phy_addr(struct udevice *dev) +{ + struct ofnode_phandle_args phandle_args; + int reg; + + if (dev_read_phandle_with_args(dev, "phy-handle", NULL, 0, 0, + &phandle_args)) { + debug("Failed to find phy-handle"); + return -ENODEV; + } + + reg = ofnode_read_u32_default(phandle_args.node, "reg", 0); + + return reg; +} + static int fec_phy_init(struct fec_priv *priv, struct udevice *dev) { struct phy_device *phydev; + int addr; int mask = 0xffffffff;
+ addr = device_get_phy_addr(dev); + if (addr >= 0) + mask = 1 << addr; + #ifdef CONFIG_FEC_MXC_PHYADDR mask = 1 << CONFIG_FEC_MXC_PHYADDR; #endif