[v2,4/6] net: ethernet: bgmac: device tree phy enablement

Message ID	1477688219-3871-5-git-send-email-jon.mason@broadcom.com (mailing list archive)
State	New, archived
Headers	show Return-Path: <linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org> From: Jon Mason <jon.mason@broadcom.com> To: David Miller <davem@davemloft.net>, Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>, Florian Fainelli <f.fainelli@gmail.com> Subject: [PATCH v2 4/6] net: ethernet: bgmac: device tree phy enablement Date: Fri, 28 Oct 2016 16:56:57 -0400 Message-Id: <1477688219-3871-5-git-send-email-jon.mason@broadcom.com> In-Reply-To: <1477688219-3871-1-git-send-email-jon.mason@broadcom.com> References: <1477688219-3871-1-git-send-email-jon.mason@broadcom.com> Precedence: list Cc: devicetree@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com, rafal@milecki.pl, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org

diff --git a/drivers/net/ethernet/broadcom/bgmac-bcma.c b/drivers/net/ethernet/broadcom/bgmac-bcma.c index c16ec3a..3e3efde 100644 --- a/drivers/net/ethernet/broadcom/bgmac-bcma.c +++ b/drivers/net/ethernet/broadcom/bgmac-bcma.c @@ -80,6 +80,50 @@ static void bcma_bgmac_cmn_maskset32(struct bgmac *bgmac, u16 offset, u32 mask, bcma_maskset32(bgmac->bcma.cmn, offset, mask, set); } +static int bcma_phy_connect(struct bgmac *bgmac) +{ + struct phy_device *phy_dev; + char bus_id[MII_BUS_ID_SIZE + 3]; + + /* Connect to the PHY */ + snprintf(bus_id, sizeof(bus_id), PHY_ID_FMT, bgmac->mii_bus->id, + bgmac->phyaddr); + phy_dev = phy_connect(bgmac->net_dev, bus_id, bgmac_adjust_link, + PHY_INTERFACE_MODE_MII); + if (IS_ERR(phy_dev)) { + dev_err(bgmac->dev, "PHY connecton failed\n"); + return PTR_ERR(phy_dev); + } + + return 0; +} + +static int bcma_phy_direct_connect(struct bgmac *bgmac) +{ + struct fixed_phy_status fphy_status = { + .link = 1, + .speed = SPEED_1000, + .duplex = DUPLEX_FULL, + }; + struct phy_device *phy_dev; + int err; + + phy_dev = fixed_phy_register(PHY_POLL, &fphy_status, -1, NULL); + if (!phy_dev || IS_ERR(phy_dev)) { + dev_err(bgmac->dev, "Failed to register fixed PHY device\n"); + return -ENODEV; + } + + err = phy_connect_direct(bgmac->net_dev, phy_dev, bgmac_adjust_link, + PHY_INTERFACE_MODE_MII); + if (err) { + dev_err(bgmac->dev, "Connecting PHY failed\n"); + return err; + } + + return err; +} + static const struct bcma_device_id bgmac_bcma_tbl[] = { BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_4706_MAC_GBIT, BCMA_ANY_REV, BCMA_ANY_CLASS), @@ -275,6 +319,10 @@ static int bgmac_probe(struct bcma_device *core) bgmac->cco_ctl_maskset = bcma_bgmac_cco_ctl_maskset; bgmac->get_bus_clock = bcma_bgmac_get_bus_clock; bgmac->cmn_maskset32 = bcma_bgmac_cmn_maskset32; + if (bgmac->mii_bus) + bgmac->phy_connect = bcma_phy_connect; + else + bgmac->phy_connect = bcma_phy_direct_connect; err = bgmac_enet_probe(bgmac); if (err) diff --git a/drivers/net/ethernet/broadcom/bgmac-platform.c b/drivers/net/ethernet/broadcom/bgmac-platform.c index be52f27..aed5dc5 100644 --- a/drivers/net/ethernet/broadcom/bgmac-platform.c +++ b/drivers/net/ethernet/broadcom/bgmac-platform.c @@ -16,6 +16,7 @@ #include <linux/bcma/bcma.h> #include <linux/etherdevice.h> #include <linux/of_address.h> +#include <linux/of_mdio.h> #include <linux/of_net.h> #include "bgmac.h" @@ -86,6 +87,46 @@ static void platform_bgmac_cmn_maskset32(struct bgmac *bgmac, u16 offset, WARN_ON(1); } +static int platform_phy_connect(struct bgmac *bgmac) +{ + struct phy_device *phy_dev; + + phy_dev = of_phy_get_and_connect(bgmac->net_dev, bgmac->dev->of_node, + bgmac_adjust_link); + if (!phy_dev) { + dev_err(bgmac->dev, "Phy connect failed\n"); + return -ENODEV; + } + + return 0; +} + +static int platform_phy_direct_connect(struct bgmac *bgmac) +{ + struct fixed_phy_status fphy_status = { + .link = 1, + .speed = SPEED_1000, + .duplex = DUPLEX_FULL, + }; + struct phy_device *phy_dev; + int err; + + phy_dev = fixed_phy_register(PHY_POLL, &fphy_status, -1, NULL); + if (!phy_dev || IS_ERR(phy_dev)) { + dev_err(bgmac->dev, "Failed to register fixed PHY device\n"); + return -ENODEV; + } + + err = phy_connect_direct(bgmac->net_dev, phy_dev, bgmac_adjust_link, + PHY_INTERFACE_MODE_MII); + if (err) { + dev_err(bgmac->dev, "Connecting PHY failed\n"); + return err; + } + + return err; +} + static int bgmac_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; @@ -102,7 +143,6 @@ static int bgmac_probe(struct platform_device *pdev) /* Set the features of the 4707 family */ bgmac->feature_flags |= BGMAC_FEAT_CLKCTLST; bgmac->feature_flags |= BGMAC_FEAT_NO_RESET; - bgmac->feature_flags |= BGMAC_FEAT_FORCE_SPEED_2500; bgmac->feature_flags |= BGMAC_FEAT_CMDCFG_SR_REV4; bgmac->feature_flags |= BGMAC_FEAT_TX_MASK_SETUP; bgmac->feature_flags |= BGMAC_FEAT_RX_MASK_SETUP; @@ -151,6 +191,12 @@ static int bgmac_probe(struct platform_device *pdev) bgmac->cco_ctl_maskset = platform_bgmac_cco_ctl_maskset; bgmac->get_bus_clock = platform_bgmac_get_bus_clock; bgmac->cmn_maskset32 = platform_bgmac_cmn_maskset32; + if (of_parse_phandle(np, "phy-handle", 0)) { + bgmac->phy_connect = platform_phy_connect; + } else { + bgmac->phy_connect = platform_phy_direct_connect; + bgmac->feature_flags |= BGMAC_FEAT_FORCE_SPEED_2500; + } return bgmac_enet_probe(bgmac); } diff --git a/drivers/net/ethernet/broadcom/bgmac.c b/drivers/net/ethernet/broadcom/bgmac.c index 856379c..4584958 100644 --- a/drivers/net/ethernet/broadcom/bgmac.c +++ b/drivers/net/ethernet/broadcom/bgmac.c @@ -1388,7 +1388,7 @@ static const struct ethtool_ops bgmac_ethtool_ops = { * MII **************************************************/ -static void bgmac_adjust_link(struct net_device *net_dev) +void bgmac_adjust_link(struct net_device *net_dev) { struct bgmac *bgmac = netdev_priv(net_dev); struct phy_device *phy_dev = net_dev->phydev; @@ -1411,50 +1411,7 @@ static void bgmac_adjust_link(struct net_device *net_dev) phy_print_status(phy_dev); } } - -static int bgmac_phy_connect_direct(struct bgmac *bgmac) -{ - struct fixed_phy_status fphy_status = { - .link = 1, - .speed = SPEED_1000, - .duplex = DUPLEX_FULL, - }; - struct phy_device *phy_dev; - int err; - - phy_dev = fixed_phy_register(PHY_POLL, &fphy_status, -1, NULL); - if (!phy_dev || IS_ERR(phy_dev)) { - dev_err(bgmac->dev, "Failed to register fixed PHY device\n"); - return -ENODEV; - } - - err = phy_connect_direct(bgmac->net_dev, phy_dev, bgmac_adjust_link, - PHY_INTERFACE_MODE_MII); - if (err) { - dev_err(bgmac->dev, "Connecting PHY failed\n"); - return err; - } - - return err; -} - -static int bgmac_phy_connect(struct bgmac *bgmac) -{ - struct phy_device *phy_dev; - char bus_id[MII_BUS_ID_SIZE + 3]; - - /* Connect to the PHY */ - snprintf(bus_id, sizeof(bus_id), PHY_ID_FMT, bgmac->mii_bus->id, - bgmac->phyaddr); - phy_dev = phy_connect(bgmac->net_dev, bus_id, &bgmac_adjust_link, - PHY_INTERFACE_MODE_MII); - if (IS_ERR(phy_dev)) { - dev_err(bgmac->dev, "PHY connecton failed\n"); - return PTR_ERR(phy_dev); - } - - return 0; -} +EXPORT_SYMBOL_GPL(bgmac_adjust_link); int bgmac_enet_probe(struct bgmac *info) { @@ -1507,10 +1464,7 @@ int bgmac_enet_probe(struct bgmac *info) netif_napi_add(net_dev, &bgmac->napi, bgmac_poll, BGMAC_WEIGHT); - if (!bgmac->mii_bus) - err = bgmac_phy_connect_direct(bgmac); - else - err = bgmac_phy_connect(bgmac); + err = bgmac_phy_connect(bgmac); if (err) { dev_err(bgmac->dev, "Cannot connect to phy\n"); goto err_dma_free; diff --git a/drivers/net/ethernet/broadcom/bgmac.h b/drivers/net/ethernet/broadcom/bgmac.h index 80836b4..ea52ac3 100644 --- a/drivers/net/ethernet/broadcom/bgmac.h +++ b/drivers/net/ethernet/broadcom/bgmac.h @@ -513,10 +513,12 @@ struct bgmac { u32 (*get_bus_clock)(struct bgmac *bgmac); void (*cmn_maskset32)(struct bgmac *bgmac, u16 offset, u32 mask, u32 set); + int (*phy_connect)(struct bgmac *bgmac); }; int bgmac_enet_probe(struct bgmac *info); void bgmac_enet_remove(struct bgmac *bgmac); +void bgmac_adjust_link(struct net_device *net_dev); struct mii_bus *bcma_mdio_mii_register(struct bcma_device *core, u8 phyaddr); void bcma_mdio_mii_unregister(struct mii_bus *mii_bus); @@ -583,4 +585,9 @@ static inline void bgmac_set(struct bgmac *bgmac, u16 offset, u32 set) { bgmac_maskset(bgmac, offset, ~0, set); } + +static inline int bgmac_phy_connect(struct bgmac *bgmac) +{ + return bgmac->phy_connect(bgmac); +} #endif /* _BGMAC_H */

[v2,4/6] net: ethernet: bgmac: device tree phy enablement

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