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net: phy: Add new read ethernet phy id function

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Add new function to get ethernet phy id from compatible property
of the mdio phy node.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com>
Link: https://lore.kernel.org/r/16019efb3820a50330935fdaae191cec1f101b5c.1645627539.git.michal.simek@xilinx.com
This commit is contained in:
Michal Simek
2022-02-23 15:45:40 +01:00
parent d24b3e32ab
commit db681d4929
2 changed files with 49 additions and 0 deletions
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13
include/dm/ofnode.h
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@@ -894,6 +894,19 @@ int ofnode_read_pci_addr(ofnode node, enum fdt_pci_space type,
*/
int ofnode_read_pci_vendev(ofnode node, u16 *vendor, u16 *device);
/**
* ofnode_read_eth_phy_id() - look up eth phy vendor and device id
*
* Look at the compatible property of a device node that represents a eth phy
* device and extract phy vendor id and device id from it.
*
* @param node node to examine
* @param vendor vendor id of the eth phy device
* @param device device id of the eth phy device
* @return 0 if ok, negative on error
*/
int ofnode_read_eth_phy_id(ofnode node, u16 *vendor, u16 *device);
/**
* ofnode_read_addr_cells() - Get the number of address cells for a node
*