net: davinci_emac: Add support for fixed-link PHY
Subsystems (3)
PATCH 1/1 net: davinci_emac: Add support for fixed-link PHY
In case the DaVinci Emac is directly connected to a non-mdio PHY/device, it should be possible to provide a fixed link configuration in the DT.
Signed-off-by Neil Armstrong <[email protected]>
--- drivers/net/ethernet/ti/davinci_emac.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-)
drivers/net/ethernet/ti/davinci_emac.c +6 -2
@@ -1861,8 +1861,12 @@ davinci_emac_of_get_pdata(struct platform_device *pdev, struct emac_priv *priv) pdata->no_bd_ram =of_property_read_bool (np,"ti,davinci-no-bd-ram" ); priv->phy_node =of_parse_phandle (np,"phy-handle" ,0 ); -if (!priv->phy_node) - pdata->phy_id =NULL ; +if (!priv->phy_node) { +if (!of_phy_is_fixed_link (np)) + pdata->phy_id =NULL ; +else if (of_phy_register_fixed_link (np) >=0 ) + priv->phy_node =of_node_get (np); + } auxdata = pdev->dev.platform_data;if (auxdata) {
Signature · 1 line
1.9.1
Quoted 5 lines · Neil Armstrong
In case the DaVinci Emac is directly connected to a non-mdio PHY/device, it should be possible to provide a fixed link configuration in the DT.
Signed-off-by Neil Armstrong <[email protected]>
Ethernet works for me with this patch:
Tested-by Tony Lindgren <[email protected]>
Quoted 25 lines
--- drivers/net/ethernet/ti/davinci_emac.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-)drivers/net/ethernet/ti/davinci_emac.c +6
-2@@ -1861,8 +1861,12 @@ davinci_emac_of_get_pdata(struct platform_device *pdev, struct emac_priv *priv) pdata->no_bd_ram =of_property_read_bool (np,"ti,davinci-no-bd-ram" ); priv->phy_node =of_parse_phandle (np,"phy-handle" ,0 ); -if (!priv->phy_node) - pdata->phy_id =NULL ; +if (!priv->phy_node) { +if (!of_phy_is_fixed_link (np)) + pdata->phy_id =NULL ; +else if (of_phy_register_fixed_link (np) >=0 ) + priv->phy_node =of_node_get (np); + } auxdata = pdev->dev.platform_data;if (auxdata) {Signature · 1 line
1.9.1
From: Neil Armstrong <[email protected]>
Date: Tue, 22 Sep 2015 10:57:04 +0200
Quoted 5 lines
In case the DaVinci Emac is directly connected to a non-mdio PHY/device, it should be possible to provide a fixed link configuration in the DT.
Signed-off-by Neil Armstrong <[email protected]>
Applied.