diff options
| author | Sebastian Frias <sf84@laposte.net> | 2016-02-22 15:33:14 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-02-24 19:32:11 +0300 |
| commit | c7dfe3abf40ec9a298884a4c0775062eac27afc9 (patch) | |
| tree | 9d00c677ee7c411524b2e766dd2b567336904a7a /drivers/net/ethernet/aurora | |
| parent | fbb0fa8b48892a3db8f5b89fb591c741fbd2fe7a (diff) | |
| download | linux-c7dfe3abf40ec9a298884a4c0775062eac27afc9.tar.xz | |
net: ethernet: nb8800: support fixed-link DT node
Under some circumstances, e.g. when connecting to a switch, the ethernet
port will not be connected to a PHY. In that case a "fixed-link" DT node
can be used to replace it.
https://stackoverflow.com/questions/31046172/device-tree-for-phy-less-connection-to-a-dsa-switch
This patch adds support for the "fixed-link" node to the nb8800 driver.
Signed-off-by: Sebastian Frias <sf84@laposte.net>
Acked-by: Mans Rullgard <mans@mansr.com>
Cc: Mason <slash.tmp@free.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/aurora')
| -rw-r--r-- | drivers/net/ethernet/aurora/nb8800.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/net/ethernet/aurora/nb8800.c b/drivers/net/ethernet/aurora/nb8800.c index f71ab2647a3b..08a23e6b60e9 100644 --- a/drivers/net/ethernet/aurora/nb8800.c +++ b/drivers/net/ethernet/aurora/nb8800.c @@ -1460,7 +1460,19 @@ static int nb8800_probe(struct platform_device *pdev) goto err_disable_clk; } - priv->phy_node = of_parse_phandle(pdev->dev.of_node, "phy-handle", 0); + if (of_phy_is_fixed_link(pdev->dev.of_node)) { + ret = of_phy_register_fixed_link(pdev->dev.of_node); + if (ret < 0) { + dev_err(&pdev->dev, "bad fixed-link spec\n"); + goto err_free_bus; + } + priv->phy_node = of_node_get(pdev->dev.of_node); + } + + if (!priv->phy_node) + priv->phy_node = of_parse_phandle(pdev->dev.of_node, + "phy-handle", 0); + if (!priv->phy_node) { dev_err(&pdev->dev, "no PHY specified\n"); ret = -ENODEV; |