Mirrors/u-boot
2
0
Fork 0
mirror of https://github.com/AsahiLinux/u-boot synced 2024-09-20 22:52:00 +00:00
Code Issues Projects Releases Packages Wiki Activity

Enable FEC driver to retrieve PHY address from device tree

Browse source 
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>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
This commit is contained in:
Martyn Welch 2018-12-11 11:34:45 +00:00 committed by Stefano Babic
parent b2ca8907d9
commit 774ec60b74
1 changed files with 21 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

21
drivers/net/fec_mxc.c
View file

@ -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