From 716ca530e1c4515d8683c9d5be3d56b301758b66 Mon Sep 17 00:00:00 2001 From: James <> Date: Wed, 4 Nov 2015 11:49:21 +0000 Subject: trunk-47381 --- ...-phy-handle-support-to-the-platform-layer.patch | 105 +++++++++++++++++++++ 1 file changed, 105 insertions(+) create mode 100644 target/linux/ipq806x/patches-3.18/701-stmmac-add-phy-handle-support-to-the-platform-layer.patch (limited to 'target/linux/ipq806x/patches-3.18/701-stmmac-add-phy-handle-support-to-the-platform-layer.patch') diff --git a/target/linux/ipq806x/patches-3.18/701-stmmac-add-phy-handle-support-to-the-platform-layer.patch b/target/linux/ipq806x/patches-3.18/701-stmmac-add-phy-handle-support-to-the-platform-layer.patch new file mode 100644 index 0000000..8e59b5c --- /dev/null +++ b/target/linux/ipq806x/patches-3.18/701-stmmac-add-phy-handle-support-to-the-platform-layer.patch @@ -0,0 +1,105 @@ +From 4f09499bc1d9bb095caccbcd73ff951ee631e521 Mon Sep 17 00:00:00 2001 +From: Mathieu Olivari +Date: Fri, 8 May 2015 15:42:40 -0700 +Subject: [PATCH 1/8] stmmac: add phy-handle support to the platform layer + +On stmmac driver, PHY specification in device-tree was done using the +non-standard property "snps,phy-addr". Specifying a PHY on a different +MDIO bus that the one within the stmmac controller doesn't seem to be +possible when device-tree is used. + +This change adds support for the phy-handle property, as specified in +Documentation/devicetree/bindings/net/ethernet.txt. + +Signed-off-by: Mathieu Olivari +--- + drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 28 ++++++++++++++-------- + .../net/ethernet/stmicro/stmmac/stmmac_platform.c | 6 ++++- + include/linux/stmmac.h | 1 + + 3 files changed, 24 insertions(+), 11 deletions(-) + +--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c ++++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +@@ -52,6 +52,7 @@ + #include "stmmac_ptp.h" + #include "stmmac.h" + #include ++#include + + #define STMMAC_ALIGN(x) L1_CACHE_ALIGN(x) + +@@ -818,18 +819,25 @@ static int stmmac_init_phy(struct net_de + priv->speed = 0; + priv->oldduplex = -1; + +- if (priv->plat->phy_bus_name) +- snprintf(bus_id, MII_BUS_ID_SIZE, "%s-%x", +- priv->plat->phy_bus_name, priv->plat->bus_id); +- else +- snprintf(bus_id, MII_BUS_ID_SIZE, "stmmac-%x", +- priv->plat->bus_id); +- +- snprintf(phy_id_fmt, MII_BUS_ID_SIZE + 3, PHY_ID_FMT, bus_id, +- priv->plat->phy_addr); +- pr_debug("stmmac_init_phy: trying to attach to %s\n", phy_id_fmt); ++ if (priv->plat->phy_node) { ++ phydev = of_phy_connect(dev, priv->plat->phy_node, ++ &stmmac_adjust_link, 0, interface); ++ } else { ++ if (priv->plat->phy_bus_name) ++ snprintf(bus_id, MII_BUS_ID_SIZE, "%s-%x", ++ priv->plat->phy_bus_name, priv->plat->bus_id); ++ else ++ snprintf(bus_id, MII_BUS_ID_SIZE, "stmmac-%x", ++ priv->plat->bus_id); ++ ++ snprintf(phy_id_fmt, MII_BUS_ID_SIZE + 3, PHY_ID_FMT, bus_id, ++ priv->plat->phy_addr); ++ pr_debug("stmmac_init_phy: trying to attach to %s\n", ++ phy_id_fmt); + +- phydev = phy_connect(dev, phy_id_fmt, &stmmac_adjust_link, interface); ++ phydev = phy_connect(dev, phy_id_fmt, &stmmac_adjust_link, ++ interface); ++ } + + if (IS_ERR(phydev)) { + pr_err("%s: Could not attach to PHY\n", dev->name); +--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c ++++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c +@@ -27,6 +27,7 @@ + #include + #include + #include ++#include + #include "stmmac.h" + + static const struct of_device_id stmmac_dt_ids[] = { +@@ -155,13 +156,16 @@ static int stmmac_probe_config_dt(struct + /* Default to phy auto-detection */ + plat->phy_addr = -1; + ++ /* If we find a phy-handle property, use it as the PHY */ ++ plat->phy_node = of_parse_phandle(np, "phy-handle", 0); ++ + /* "snps,phy-addr" is not a standard property. Mark it as deprecated + * and warn of its use. Remove this when phy node support is added. + */ + if (of_property_read_u32(np, "snps,phy-addr", &plat->phy_addr) == 0) + dev_warn(&pdev->dev, "snps,phy-addr property is deprecated\n"); + +- if (plat->phy_bus_name) ++ if (plat->phy_node || plat->phy_bus_name) + plat->mdio_bus_data = NULL; + else + plat->mdio_bus_data = +--- a/include/linux/stmmac.h ++++ b/include/linux/stmmac.h +@@ -99,6 +99,7 @@ struct plat_stmmacenet_data { + int phy_addr; + int interface; + struct stmmac_mdio_bus_data *mdio_bus_data; ++ struct device_node *phy_node; + struct stmmac_dma_cfg *dma_cfg; + int clk_csr; + int has_gmac; -- cgit v1.2.3