diff options
| -rw-r--r-- | include/net/dsa.h | 12 | ||||
| -rw-r--r-- | net/dsa-uclass.c | 20 |
2 files changed, 32 insertions, 0 deletions
diff --git a/include/net/dsa.h b/include/net/dsa.h index a339a49..1b1068c 100644 --- a/include/net/dsa.h +++ b/include/net/dsa.h @@ -6,6 +6,7 @@ #ifndef __DSA_H__ #define __DSA_H__ +#include <dm/ofnode.h> #include <phy.h> #include <net.h> @@ -146,6 +147,17 @@ int dsa_set_tagging(struct udevice *dev, ushort headroom, ushort tailroom); struct udevice *dsa_get_master(struct udevice *dev); /** + * dsa_port_get_ofnode() - Return a reference to the given port's OF node + * + * Can be called at driver probe time or later. + * + * @dev: DSA switch udevice pointer + * @port: Port index + * @return OF node reference if OK, NULL on error + */ +ofnode dsa_port_get_ofnode(struct udevice *dev, int port); + +/** * dsa_port_get_pdata() - Helper that returns the platdata of an active * (non-CPU) DSA port device. * diff --git a/net/dsa-uclass.c b/net/dsa-uclass.c index bf762cd..7a465b1 100644 --- a/net/dsa-uclass.c +++ b/net/dsa-uclass.c @@ -44,6 +44,26 @@ int dsa_set_tagging(struct udevice *dev, ushort headroom, ushort tailroom) return 0; } +ofnode dsa_port_get_ofnode(struct udevice *dev, int port) +{ + struct dsa_pdata *pdata = dev_get_uclass_plat(dev); + struct dsa_port_pdata *port_pdata; + struct udevice *pdev; + + if (port == pdata->cpu_port) + return pdata->cpu_port_node; + + for (device_find_first_child(dev, &pdev); + pdev; + device_find_next_child(&pdev)) { + port_pdata = dev_get_parent_plat(pdev); + if (port_pdata->index == port) + return dev_ofnode(pdev); + } + + return ofnode_null(); +} + /* returns the DSA master Ethernet device */ struct udevice *dsa_get_master(struct udevice *dev) { |