// SPDX-License-Identifier: GPL-2.0+ /* Copyright (C) 2021 Maxlinear Corporation * Copyright (C) 2020 Intel Corporation * * Drivers for Maxlinear Ethernet GPY * */ #include #include #include #include /* PHY ID */ #define PHY_ID_GPYx15B_MASK 0xFFFFFFFC #define PHY_ID_GPY21xB_MASK 0xFFFFFFF9 #define PHY_ID_GPY2xx 0x67C9DC00 #define PHY_ID_GPY115B 0x67C9DF00 #define PHY_ID_GPY115C 0x67C9DF10 #define PHY_ID_GPY211B 0x67C9DE08 #define PHY_ID_GPY211C 0x67C9DE10 #define PHY_ID_GPY212B 0x67C9DE09 #define PHY_ID_GPY212C 0x67C9DE20 #define PHY_ID_GPY215B 0x67C9DF04 #define PHY_ID_GPY215C 0x67C9DF20 #define PHY_ID_GPY241B 0x67C9DE40 #define PHY_ID_GPY241BM 0x67C9DE80 #define PHY_ID_GPY245B 0x67C9DEC0 #define PHY_MIISTAT 0x18 /* MII state */ #define PHY_IMASK 0x19 /* interrupt mask */ #define PHY_ISTAT 0x1A /* interrupt status */ #define PHY_FWV 0x1E /* firmware version */ #define PHY_MIISTAT_SPD_MASK GENMASK(2, 0) #define PHY_MIISTAT_DPX BIT(3) #define PHY_MIISTAT_LS BIT(10) #define PHY_MIISTAT_SPD_10 0 #define PHY_MIISTAT_SPD_100 1 #define PHY_MIISTAT_SPD_1000 2 #define PHY_MIISTAT_SPD_2500 4 #define PHY_IMASK_WOL BIT(15) /* Wake-on-LAN */ #define PHY_IMASK_ANC BIT(10) /* Auto-Neg complete */ #define PHY_IMASK_ADSC BIT(5) /* Link auto-downspeed detect */ #define PHY_IMASK_DXMC BIT(2) /* Duplex mode change */ #define PHY_IMASK_LSPC BIT(1) /* Link speed change */ #define PHY_IMASK_LSTC BIT(0) /* Link state change */ #define PHY_IMASK_MASK (PHY_IMASK_LSTC | \ PHY_IMASK_LSPC | \ PHY_IMASK_DXMC | \ PHY_IMASK_ADSC | \ PHY_IMASK_ANC) #define PHY_FWV_REL_MASK BIT(15) #define PHY_FWV_TYPE_MASK GENMASK(11, 8) #define PHY_FWV_MINOR_MASK GENMASK(7, 0) /* SGMII */ #define VSPEC1_SGMII_CTRL 0x08 #define VSPEC1_SGMII_CTRL_ANEN BIT(12) /* Aneg enable */ #define VSPEC1_SGMII_CTRL_ANRS BIT(9) /* Restart Aneg */ #define VSPEC1_SGMII_ANEN_ANRS (VSPEC1_SGMII_CTRL_ANEN | \ VSPEC1_SGMII_CTRL_ANRS) /* WoL */ #define VPSPEC2_WOL_CTL 0x0E06 #define VPSPEC2_WOL_AD01 0x0E08 #define VPSPEC2_WOL_AD23 0x0E09 #define VPSPEC2_WOL_AD45 0x0E0A #define WOL_EN BIT(0) static const struct { int type; int minor; } ver_need_sgmii_reaneg[] = { {7, 0x6D}, {8, 0x6D}, {9, 0x73}, }; static int gpy_config_init(struct phy_device *phydev) { int ret; /* Mask all interrupts */ ret = phy_write(phydev, PHY_IMASK, 0); if (ret) return ret; /* Clear all pending interrupts */ ret = phy_read(phydev, PHY_ISTAT); return ret < 0 ? ret : 0; } static int gpy_probe(struct phy_device *phydev) { int ret; if (!phydev->is_c45) { ret = phy_get_c45_ids(phydev); if (ret < 0) return ret; } /* Show GPY PHY FW version in dmesg */ ret = phy_read(phydev, PHY_FWV); if (ret < 0) return ret; phydev_info(phydev, "Firmware Version: 0x%04X (%s)\n", ret, (ret & PHY_FWV_REL_MASK) ? "release" : "test"); return 0; } static bool gpy_sgmii_need_reaneg(struct phy_device *phydev) { int fw_ver, fw_type, fw_minor; size_t i; fw_ver = phy_read(phydev, PHY_FWV); if (fw_ver < 0) return true; fw_type = FIELD_GET(PHY_FWV_TYPE_MASK, fw_ver); fw_minor = FIELD_GET(PHY_FWV_MINOR_MASK, fw_ver); for (i = 0; i < ARRAY_SIZE(ver_need_sgmii_reaneg); i++) { if (fw_type != ver_need_sgmii_reaneg[i].type) continue; if (fw_minor < ver_need_sgmii_reaneg[i].minor) return true; break; } return false; } static bool gpy_2500basex_chk(struct phy_device *phydev) { int ret; ret = phy_read(phydev, PHY_MIISTAT); if (ret < 0) { phydev_err(phydev, "Error: MDIO register access failed: %d\n", ret); return false; } if (!(ret & PHY_MIISTAT_LS) || FIELD_GET(PHY_MIISTAT_SPD_MASK, ret) != PHY_MIISTAT_SPD_2500) return false; phydev->speed = SPEED_2500; phydev->interface = PHY_INTERFACE_MODE_2500BASEX; phy_modify_mmd(phydev, MDIO_MMD_VEND1, VSPEC1_SGMII_CTRL, VSPEC1_SGMII_CTRL_ANEN, 0); return true; } static bool gpy_sgmii_aneg_en(struct phy_device *phydev) { int ret; ret = phy_read_mmd(phydev, MDIO_MMD_VEND1, VSPEC1_SGMII_CTRL); if (ret < 0) { phydev_err(phydev, "Error: MMD register access failed: %d\n", ret); return true; } return (ret & VSPEC1_SGMII_CTRL_ANEN) ? true : false; } static int gpy_config_aneg(struct phy_device *phydev) { bool changed = false; u32 adv; int ret; if (phydev->autoneg == AUTONEG_DISABLE) { /* Configure half duplex with genphy_setup_forced, * because genphy_c45_pma_setup_forced does not support. */ return phydev->duplex != DUPLEX_FULL ? genphy_setup_forced(phydev) : genphy_c45_pma_setup_forced(phydev); } ret = genphy_c45_an_config_aneg(phydev); if (ret < 0) return ret; if (ret > 0) changed = true; adv = linkmode_adv_to_mii_ctrl1000_t(phydev->advertising); ret = phy_modify_changed(phydev, MII_CTRL1000, ADVERTISE_1000FULL | ADVERTISE_1000HALF, adv); if (ret < 0) return ret; if (ret > 0) changed = true; ret = genphy_c45_check_and_restart_aneg(phydev, changed); if (ret < 0) return ret; if (phydev->interface == PHY_INTERFACE_MODE_USXGMII || phydev->interface == PHY_INTERFACE_MODE_INTERNAL) return 0; /* No need to trigger re-ANEG if link speed is 2.5G or SGMII ANEG is * disabled. */ if (!gpy_sgmii_need_reaneg(phydev) || gpy_2500basex_chk(phydev) || !gpy_sgmii_aneg_en(phydev)) return 0; /* There is a design constraint in GPY2xx device where SGMII AN is * only triggered when there is change of speed. If, PHY link * partner`s speed is still same even after PHY TPI is down and up * again, SGMII AN is not triggered and hence no new in-band message * from GPY to MAC side SGMII. * This could cause an issue during power up, when PHY is up prior to * MAC. At this condition, once MAC side SGMII is up, MAC side SGMII * wouldn`t receive new in-band message from GPY with correct link * status, speed and duplex info. * * 1) If PHY is already up and TPI link status is still down (such as * hard reboot), TPI link status is polled for 4 seconds before * retriggerring SGMII AN. * 2) If PHY is already up and TPI link status is also up (such as soft * reboot), polling of TPI link status is not needed and SGMII AN is * immediately retriggered. * 3) Other conditions such as PHY is down, speed change etc, skip * retriggering SGMII AN. Note: in case of speed change, GPY FW will * initiate SGMII AN. */ if (phydev->state != PHY_UP) return 0; ret = phy_read_poll_timeout(phydev, MII_BMSR, ret, ret & BMSR_LSTATUS, 20000, 4000000, false); if (ret == -ETIMEDOUT) return 0; else if (ret < 0) return ret; /* Trigger SGMII AN. */ return phy_modify_mmd(phydev, MDIO_MMD_VEND1, VSPEC1_SGMII_CTRL, VSPEC1_SGMII_CTRL_ANRS, VSPEC1_SGMII_CTRL_ANRS); } static void gpy_update_interface(struct phy_device *phydev) { int ret; /* Interface mode is fixed for USXGMII and integrated PHY */ if (phydev->interface == PHY_INTERFACE_MODE_USXGMII || phydev->interface == PHY_INTERFACE_MODE_INTERNAL) return; /* Automatically switch SERDES interface between SGMII and 2500-BaseX * according to speed. Disable ANEG in 2500-BaseX mode. */ switch (phydev->speed) { case SPEED_2500: phydev->interface = PHY_INTERFACE_MODE_2500BASEX; ret = phy_modify_mmd(phydev, MDIO_MMD_VEND1, VSPEC1_SGMII_CTRL, VSPEC1_SGMII_CTRL_ANEN, 0); if (ret < 0) phydev_err(phydev, "Error: Disable of SGMII ANEG failed: %d\n", ret); break; case SPEED_1000: case SPEED_100: case SPEED_10: phydev->interface = PHY_INTERFACE_MODE_SGMII; if (gpy_sgmii_aneg_en(phydev)) break; /* Enable and restart SGMII ANEG for 10/100/1000Mbps link speed * if ANEG is disabled (in 2500-BaseX mode). */ ret = phy_modify_mmd(phydev, MDIO_MMD_VEND1, VSPEC1_SGMII_CTRL, VSPEC1_SGMII_ANEN_ANRS, VSPEC1_SGMII_ANEN_ANRS); if (ret < 0) phydev_err(phydev, "Error: Enable of SGMII ANEG failed: %d\n", ret); break; } } static int gpy_read_status(struct phy_device *phydev) { int ret; ret = genphy_update_link(phydev); if (ret) return ret; phydev->speed = SPEED_UNKNOWN; phydev->duplex = DUPLEX_UNKNOWN; phydev->pause = 0; phydev->asym_pause = 0; if (phydev->autoneg == AUTONEG_ENABLE && phydev->autoneg_complete) { ret = genphy_c45_read_lpa(phydev); if (ret < 0) return ret; /* Read the link partner's 1G advertisement */ ret = phy_read(phydev, MII_STAT1000); if (ret < 0) return ret; mii_stat1000_mod_linkmode_lpa_t(phydev->lp_advertising, ret); } else if (phydev->autoneg == AUTONEG_DISABLE) { linkmode_zero(phydev->lp_advertising); } ret = phy_read(phydev, PHY_MIISTAT); if (ret < 0) return ret; phydev->link = (ret & PHY_MIISTAT_LS) ? 1 : 0; phydev->duplex = (ret & PHY_MIISTAT_DPX) ? DUPLEX_FULL : DUPLEX_HALF; switch (FIELD_GET(PHY_MIISTAT_SPD_MASK, ret)) { case PHY_MIISTAT_SPD_10: phydev->speed = SPEED_10; break; case PHY_MIISTAT_SPD_100: phydev->speed = SPEED_100; break; case PHY_MIISTAT_SPD_1000: phydev->speed = SPEED_1000; break; case PHY_MIISTAT_SPD_2500: phydev->speed = SPEED_2500; break; } if (phydev->link) gpy_update_interface(phydev); return 0; } static int gpy_config_intr(struct phy_device *phydev) { u16 mask = 0; if (phydev->interrupts == PHY_INTERRUPT_ENABLED) mask = PHY_IMASK_MASK; return phy_write(phydev, PHY_IMASK, mask); } static irqreturn_t gpy_handle_interrupt(struct phy_device *phydev) { int reg; reg = phy_read(phydev, PHY_ISTAT); if (reg < 0) { phy_error(phydev); return IRQ_NONE; } if (!(reg & PHY_IMASK_MASK)) return IRQ_NONE; phy_trigger_machine(phydev); return IRQ_HANDLED; } static int gpy_set_wol(struct phy_device *phydev, struct ethtool_wolinfo *wol) { struct net_device *attach_dev = phydev->attached_dev; int ret; if (wol->wolopts & WAKE_MAGIC) { /* MAC address - Byte0:Byte1:Byte2:Byte3:Byte4:Byte5 * VPSPEC2_WOL_AD45 = Byte0:Byte1 * VPSPEC2_WOL_AD23 = Byte2:Byte3 * VPSPEC2_WOL_AD01 = Byte4:Byte5 */ ret = phy_set_bits_mmd(phydev, MDIO_MMD_VEND2, VPSPEC2_WOL_AD45, ((attach_dev->dev_addr[0] << 8) | attach_dev->dev_addr[1])); if (ret < 0) return ret; ret = phy_set_bits_mmd(phydev, MDIO_MMD_VEND2, VPSPEC2_WOL_AD23, ((attach_dev->dev_addr[2] << 8) | attach_dev->dev_addr[3])); if (ret < 0) return ret; ret = phy_set_bits_mmd(phydev, MDIO_MMD_VEND2, VPSPEC2_WOL_AD01, ((attach_dev->dev_addr[4] << 8) | attach_dev->dev_addr[5])); if (ret < 0) return ret; /* Enable the WOL interrupt */ ret = phy_write(phydev, PHY_IMASK, PHY_IMASK_WOL); if (ret < 0) return ret; /* Enable magic packet matching */ ret = phy_set_bits_mmd(phydev, MDIO_MMD_VEND2, VPSPEC2_WOL_CTL, WOL_EN); if (ret < 0) return ret; /* Clear the interrupt status register. * Only WoL is enabled so clear all. */ ret = phy_read(phydev, PHY_ISTAT); if (ret < 0) return ret; } else { /* Disable magic packet matching */ ret = phy_clear_bits_mmd(phydev, MDIO_MMD_VEND2, VPSPEC2_WOL_CTL, WOL_EN); if (ret < 0) return ret; } if (wol->wolopts & WAKE_PHY) { /* Enable the link state change interrupt */ ret = phy_set_bits(phydev, PHY_IMASK, PHY_IMASK_LSTC); if (ret < 0) return ret; /* Clear the interrupt status register */ ret = phy_read(phydev, PHY_ISTAT); if (ret < 0) return ret; if (ret & (PHY_IMASK_MASK & ~PHY_IMASK_LSTC)) phy_trigger_machine(phydev); return 0; } /* Disable the link state change interrupt */ return phy_clear_bits(phydev, PHY_IMASK, PHY_IMASK_LSTC); } static void gpy_get_wol(struct phy_device *phydev, struct ethtool_wolinfo *wol) { int ret; wol->supported = WAKE_MAGIC | WAKE_PHY; wol->wolopts = 0; ret = phy_read_mmd(phydev, MDIO_MMD_VEND2, VPSPEC2_WOL_CTL); if (ret & WOL_EN) wol->wolopts |= WAKE_MAGIC; ret = phy_read(phydev, PHY_IMASK); if (ret & PHY_IMASK_LSTC) wol->wolopts |= WAKE_PHY; } static int gpy_loopback(struct phy_device *phydev, bool enable) { int ret; ret = phy_modify(phydev, MII_BMCR, BMCR_LOOPBACK, enable ? BMCR_LOOPBACK : 0); if (!ret) { /* It takes some time for PHY device to switch * into/out-of loopback mode. */ msleep(100); } return ret; } static int gpy115_loopback(struct phy_device *phydev, bool enable) { int ret; int fw_minor; if (enable) return gpy_loopback(phydev, enable); ret = phy_read(phydev, PHY_FWV); if (ret < 0) return ret; fw_minor = FIELD_GET(PHY_FWV_MINOR_MASK, ret); if (fw_minor > 0x0076) return gpy_loopback(phydev, 0); return genphy_soft_reset(phydev); } static struct phy_driver gpy_drivers[] = { { PHY_ID_MATCH_MODEL(PHY_ID_GPY2xx), .name = "Maxlinear Ethernet GPY2xx", .get_features = genphy_c45_pma_read_abilities, .config_init = gpy_config_init, .probe = gpy_probe, .suspend = genphy_suspend, .resume = genphy_resume, .config_aneg = gpy_config_aneg, .aneg_done = genphy_c45_aneg_done, .read_status = gpy_read_status, .config_intr = gpy_config_intr, .handle_interrupt = gpy_handle_interrupt, .set_wol = gpy_set_wol, .get_wol = gpy_get_wol, .set_loopback = gpy_loopback, }, { .phy_id = PHY_ID_GPY115B, .phy_id_mask = PHY_ID_GPYx15B_MASK, .name = "Maxlinear Ethernet GPY115B", .get_features = genphy_c45_pma_read_abilities, .config_init = gpy_config_init, .probe = gpy_probe, .suspend = genphy_suspend, .resume = genphy_resume, .config_aneg = gpy_config_aneg, .aneg_done = genphy_c45_aneg_done, .read_status = gpy_read_status, .config_intr = gpy_config_intr, .handle_interrupt = gpy_handle_interrupt, .set_wol = gpy_set_wol, .get_wol = gpy_get_wol, .set_loopback = gpy115_loopback, }, { PHY_ID_MATCH_MODEL(PHY_ID_GPY115C), .name = "Maxlinear Ethernet GPY115C", .get_features = genphy_c45_pma_read_abilities, .config_init = gpy_config_init, .probe = gpy_probe, .suspend = genphy_suspend, .resume = genphy_resume, .config_aneg = gpy_config_aneg, .aneg_done = genphy_c45_aneg_done, .read_status = gpy_read_status, .config_intr = gpy_config_intr, .handle_interrupt = gpy_handle_interrupt, .set_wol = gpy_set_wol, .get_wol = gpy_get_wol, .set_loopback = gpy115_loopback, }, { .phy_id = PHY_ID_GPY211B, .phy_id_mask = PHY_ID_GPY21xB_MASK, .name = "Maxlinear Ethernet GPY211B", .get_features = genphy_c45_pma_read_abilities, .config_init = gpy_config_init, .probe = gpy_probe, .suspend = genphy_suspend, .resume = genphy_resume, .config_aneg = gpy_config_aneg, .aneg_done = genphy_c45_aneg_done, .read_status = gpy_read_status, .config_intr = gpy_config_intr, .handle_interrupt = gpy_handle_interrupt, .set_wol = gpy_set_wol, .get_wol = gpy_get_wol, .set_loopback = gpy_loopback, }, { PHY_ID_MATCH_MODEL(PHY_ID_GPY211C), .name = "Maxlinear Ethernet GPY211C", .get_features = genphy_c45_pma_read_abilities, .config_init = gpy_config_init, .probe = gpy_probe, .suspend = genphy_suspend, .resume = genphy_resume, .config_aneg = gpy_config_aneg, .aneg_done = genphy_c45_aneg_done, .read_status = gpy_read_status, .config_intr = gpy_config_intr, .handle_interrupt = gpy_handle_interrupt, .set_wol = gpy_set_wol, .get_wol = gpy_get_wol, .set_loopback = gpy_loopback, }, { .phy_id = PHY_ID_GPY212B, .phy_id_mask = PHY_ID_GPY21xB_MASK, .name = "Maxlinear Ethernet GPY212B", .get_features = genphy_c45_pma_read_abilities, .config_init = gpy_config_init, .probe = gpy_probe, .suspend = genphy_suspend, .resume = genphy_resume, .config_aneg = gpy_config_aneg, .aneg_done = genphy_c45_aneg_done, .read_status = gpy_read_status, .config_intr = gpy_config_intr, .handle_interrupt = gpy_handle_interrupt, .set_wol = gpy_set_wol, .get_wol = gpy_get_wol, .set_loopback = gpy_loopback, }, { PHY_ID_MATCH_MODEL(PHY_ID_GPY212C), .name = "Maxlinear Ethernet GPY212C", .get_features = genphy_c45_pma_read_abilities, .config_init = gpy_config_init, .probe = gpy_probe, .suspend = genphy_suspend, .resume = genphy_resume, .config_aneg = gpy_config_aneg, .aneg_done = genphy_c45_aneg_done, .read_status = gpy_read_status, .config_intr = gpy_config_intr, .handle_interrupt = gpy_handle_interrupt, .set_wol = gpy_set_wol, .get_wol = gpy_get_wol, .set_loopback = gpy_loopback, }, { .phy_id = PHY_ID_GPY215B, .phy_id_mask = PHY_ID_GPYx15B_MASK, .name = "Maxlinear Ethernet GPY215B", .get_features = genphy_c45_pma_read_abilities, .config_init = gpy_config_init, .probe = gpy_probe, .suspend = genphy_suspend, .resume = genphy_resume, .config_aneg = gpy_config_aneg, .aneg_done = genphy_c45_aneg_done, .read_status = gpy_read_status, .config_intr = gpy_config_intr, .handle_interrupt = gpy_handle_interrupt, .set_wol = gpy_set_wol, .get_wol = gpy_get_wol, .set_loopback = gpy_loopback, }, { PHY_ID_MATCH_MODEL(PHY_ID_GPY215C), .name = "Maxlinear Ethernet GPY215C", .get_features = genphy_c45_pma_read_abilities, .config_init = gpy_config_init, .probe = gpy_probe, .suspend = genphy_suspend, .resume = genphy_resume, .config_aneg = gpy_config_aneg, .aneg_done = genphy_c45_aneg_done, .read_status = gpy_read_status, .config_intr = gpy_config_intr, .handle_interrupt = gpy_handle_interrupt, .set_wol = gpy_set_wol, .get_wol = gpy_get_wol, .set_loopback = gpy_loopback, }, { PHY_ID_MATCH_MODEL(PHY_ID_GPY241B), .name = "Maxlinear Ethernet GPY241B", .get_features = genphy_c45_pma_read_abilities, .config_init = gpy_config_init, .probe = gpy_probe, .suspend = genphy_suspend, .resume = genphy_resume, .config_aneg = gpy_config_aneg, .aneg_done = genphy_c45_aneg_done, .read_status = gpy_read_status, .config_intr = gpy_config_intr, .handle_interrupt = gpy_handle_interrupt, .set_wol = gpy_set_wol, .get_wol = gpy_get_wol, .set_loopback = gpy_loopback, }, { PHY_ID_MATCH_MODEL(PHY_ID_GPY241BM), .name = "Maxlinear Ethernet GPY241BM", .get_features = genphy_c45_pma_read_abilities, .config_init = gpy_config_init, .probe = gpy_probe, .suspend = genphy_suspend, .resume = genphy_resume, .config_aneg = gpy_config_aneg, .aneg_done = genphy_c45_aneg_done, .read_status = gpy_read_status, .config_intr = gpy_config_intr, .handle_interrupt = gpy_handle_interrupt, .set_wol = gpy_set_wol, .get_wol = gpy_get_wol, .set_loopback = gpy_loopback, }, { PHY_ID_MATCH_MODEL(PHY_ID_GPY245B), .name = "Maxlinear Ethernet GPY245B", .get_features = genphy_c45_pma_read_abilities, .config_init = gpy_config_init, .probe = gpy_probe, .suspend = genphy_suspend, .resume = genphy_resume, .config_aneg = gpy_config_aneg, .aneg_done = genphy_c45_aneg_done, .read_status = gpy_read_status, .config_intr = gpy_config_intr, .handle_interrupt = gpy_handle_interrupt, .set_wol = gpy_set_wol, .get_wol = gpy_get_wol, .set_loopback = gpy_loopback, }, }; module_phy_driver(gpy_drivers); static struct mdio_device_id __maybe_unused gpy_tbl[] = { {PHY_ID_MATCH_MODEL(PHY_ID_GPY2xx)}, {PHY_ID_GPY115B, PHY_ID_GPYx15B_MASK}, {PHY_ID_MATCH_MODEL(PHY_ID_GPY115C)}, {PHY_ID_GPY211B, PHY_ID_GPY21xB_MASK}, {PHY_ID_MATCH_MODEL(PHY_ID_GPY211C)}, {PHY_ID_GPY212B, PHY_ID_GPY21xB_MASK}, {PHY_ID_MATCH_MODEL(PHY_ID_GPY212C)}, {PHY_ID_GPY215B, PHY_ID_GPYx15B_MASK}, {PHY_ID_MATCH_MODEL(PHY_ID_GPY215C)}, {PHY_ID_MATCH_MODEL(PHY_ID_GPY241B)}, {PHY_ID_MATCH_MODEL(PHY_ID_GPY241BM)}, {PHY_ID_MATCH_MODEL(PHY_ID_GPY245B)}, { } }; MODULE_DEVICE_TABLE(mdio, gpy_tbl); MODULE_DESCRIPTION("Maxlinear Ethernet GPY Driver"); MODULE_AUTHOR("Xu Liang"); MODULE_LICENSE("GPL");