diff options
Diffstat (limited to 'drivers/core/ofnode.c')
| -rw-r--r-- | drivers/core/ofnode.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/core/ofnode.c b/drivers/core/ofnode.c index 709bea2..8042847 100644 --- a/drivers/core/ofnode.c +++ b/drivers/core/ofnode.c @@ -898,6 +898,42 @@ int ofnode_read_pci_vendev(ofnode node, u16 *vendor, u16 *device) return -ENOENT; } +int ofnode_read_eth_phy_id(ofnode node, u16 *vendor, u16 *device) +{ + const char *list, *end; + int len; + + list = ofnode_get_property(node, "compatible", &len); + + if (!list) + return -ENOENT; + + end = list + len; + while (list < end) { + len = strlen(list); + + if (len >= strlen("ethernet-phy-idVVVV,DDDD")) { + char *s = strstr(list, "ethernet-phy-id"); + + /* + * check if the string is something like + * ethernet-phy-idVVVV,DDDD + */ + if (s && s[19] == '.') { + s += strlen("ethernet-phy-id"); + *vendor = simple_strtol(s, NULL, 16); + s += 5; + *device = simple_strtol(s, NULL, 16); + + return 0; + } + } + list += (len + 1); + } + + return -ENOENT; +} + int ofnode_read_addr_cells(ofnode node) { if (ofnode_is_np(node)) { |