From ed0a34c16efb839d21b914b1576a1e927fcf9804 Mon Sep 17 00:00:00 2001 From: Markus Brunner Date: Tue, 3 Nov 2015 22:09:51 +0100 Subject: [PATCH] drivers: net: cpsw: Add support for fixed-link PHY Add support for a fixed-link devicetree sub-node in case the the cpsw MAC is directly connected to a non-mdio PHY/device. Signed-off-by: Markus Brunner Acked-by: Mugunthan V N Signed-off-by: David S. Miller --- Documentation/devicetree/bindings/net/cpsw.txt | 5 +++++ drivers/net/ethernet/ti/cpsw.c | 13 +++++++++++++ 2 files changed, 18 insertions(+) diff --git a/Documentation/devicetree/bindings/net/cpsw.txt b/Documentation/devicetree/bindings/net/cpsw.txt index 4efca560adda4..9853f8e709661 100644 --- a/Documentation/devicetree/bindings/net/cpsw.txt +++ b/Documentation/devicetree/bindings/net/cpsw.txt @@ -48,6 +48,11 @@ Optional properties: - mac-address : See ethernet.txt file in the same directory - phy-handle : See ethernet.txt file in the same directory +Slave sub-nodes: +- fixed-link : See fixed-link.txt file in the same directory + Either the properties phy_id and phy-mode, + or the sub-node fixed-link can be specified + Note: "ti,hwmods" field is used to fetch the base address and irq resources from TI, omap hwmod data base during device registration. Future plan is to migrate hwmod data base contents into device tree diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index 040fbc1e55080..48b92c9de12a5 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -2037,6 +2037,19 @@ static int cpsw_probe_dt(struct cpsw_priv *priv, continue; priv->phy_node = of_parse_phandle(slave_node, "phy-handle", 0); + if (of_phy_is_fixed_link(slave_node)) { + struct phy_device *pd; + + ret = of_phy_register_fixed_link(slave_node); + if (ret) + return ret; + pd = of_phy_find_device(slave_node); + if (!pd) + return -ENODEV; + snprintf(slave_data->phy_id, sizeof(slave_data->phy_id), + PHY_ID_FMT, pd->bus->id, pd->phy_id); + goto no_phy_slave; + } parp = of_get_property(slave_node, "phy_id", &lenp); if ((parp == NULL) || (lenp != (sizeof(void *) * 2))) { dev_err(&pdev->dev, "Missing slave[%d] phy_id property\n", i); -- 2.39.5