// SPDX-License-Identifier: GPL-2.0+ /* * drivers/net/phy/at803x.c * * Driver for Qualcomm Atheros AR803x PHY * * Author: Matus Ujhelyi */ #include #include #include #include #include #include #include #include #include #include #include #include #define AT803X_SPECIFIC_STATUS 0x11 #define AT803X_SS_SPEED_MASK (3 << 14) #define AT803X_SS_SPEED_1000 (2 << 14) #define AT803X_SS_SPEED_100 (1 << 14) #define AT803X_SS_SPEED_10 (0 << 14) #define AT803X_SS_DUPLEX BIT(13) #define AT803X_SS_SPEED_DUPLEX_RESOLVED BIT(11) #define AT803X_SS_MDIX BIT(6) #define AT803X_INTR_ENABLE 0x12 #define AT803X_INTR_ENABLE_AUTONEG_ERR BIT(15) #define AT803X_INTR_ENABLE_SPEED_CHANGED BIT(14) #define AT803X_INTR_ENABLE_DUPLEX_CHANGED BIT(13) #define AT803X_INTR_ENABLE_PAGE_RECEIVED BIT(12) #define AT803X_INTR_ENABLE_LINK_FAIL BIT(11) #define AT803X_INTR_ENABLE_LINK_SUCCESS BIT(10) #define AT803X_INTR_ENABLE_WIRESPEED_DOWNGRADE BIT(5) #define AT803X_INTR_ENABLE_POLARITY_CHANGED BIT(1) #define AT803X_INTR_ENABLE_WOL BIT(0) #define AT803X_INTR_STATUS 0x13 #define AT803X_SMART_SPEED 0x14 #define AT803X_LED_CONTROL 0x18 #define AT803X_DEVICE_ADDR 0x03 #define AT803X_LOC_MAC_ADDR_0_15_OFFSET 0x804C #define AT803X_LOC_MAC_ADDR_16_31_OFFSET 0x804B #define AT803X_LOC_MAC_ADDR_32_47_OFFSET 0x804A #define AT803X_REG_CHIP_CONFIG 0x1f #define AT803X_BT_BX_REG_SEL 0x8000 #define AT803X_DEBUG_ADDR 0x1D #define AT803X_DEBUG_DATA 0x1E #define AT803X_MODE_CFG_MASK 0x0F #define AT803X_MODE_CFG_SGMII 0x01 #define AT803X_PSSR 0x11 /*PHY-Specific Status Register*/ #define AT803X_PSSR_MR_AN_COMPLETE 0x0200 #define AT803X_DEBUG_REG_0 0x00 #define AT803X_DEBUG_RX_CLK_DLY_EN BIT(15) #define AT803X_DEBUG_REG_5 0x05 #define AT803X_DEBUG_TX_CLK_DLY_EN BIT(8) #define AT803X_DEBUG_REG_1F 0x1F #define AT803X_DEBUG_PLL_ON BIT(2) #define AT803X_DEBUG_RGMII_1V8 BIT(3) /* AT803x supports either the XTAL input pad, an internal PLL or the * DSP as clock reference for the clock output pad. The XTAL reference * is only used for 25 MHz output, all other frequencies need the PLL. * The DSP as a clock reference is used in synchronous ethernet * applications. * * By default the PLL is only enabled if there is a link. Otherwise * the PHY will go into low power state and disabled the PLL. You can * set the PLL_ON bit (see debug register 0x1f) to keep the PLL always * enabled. */ #define AT803X_MMD7_CLK25M 0x8016 #define AT803X_CLK_OUT_MASK GENMASK(4, 2) #define AT803X_CLK_OUT_25MHZ_XTAL 0 #define AT803X_CLK_OUT_25MHZ_DSP 1 #define AT803X_CLK_OUT_50MHZ_PLL 2 #define AT803X_CLK_OUT_50MHZ_DSP 3 #define AT803X_CLK_OUT_62_5MHZ_PLL 4 #define AT803X_CLK_OUT_62_5MHZ_DSP 5 #define AT803X_CLK_OUT_125MHZ_PLL 6 #define AT803X_CLK_OUT_125MHZ_DSP 7 /* The AR8035 has another mask which is compatible with the AR8031/AR8033 mask * but doesn't support choosing between XTAL/PLL and DSP. */ #define AT8035_CLK_OUT_MASK GENMASK(4, 3) #define AT803X_CLK_OUT_STRENGTH_MASK GENMASK(8, 7) #define AT803X_CLK_OUT_STRENGTH_FULL 0 #define AT803X_CLK_OUT_STRENGTH_HALF 1 #define AT803X_CLK_OUT_STRENGTH_QUARTER 2 #define ATH9331_PHY_ID 0x004dd041 #define ATH8030_PHY_ID 0x004dd076 #define ATH8031_PHY_ID 0x004dd074 #define ATH8035_PHY_ID 0x004dd072 #define AT803X_PHY_ID_MASK 0xffffffef MODULE_DESCRIPTION("Qualcomm Atheros AR803x PHY driver"); MODULE_AUTHOR("Matus Ujhelyi"); MODULE_LICENSE("GPL"); struct at803x_priv { int flags; #define AT803X_KEEP_PLL_ENABLED BIT(0) /* don't turn off internal PLL */ u16 clk_25m_reg; u16 clk_25m_mask; struct regulator_dev *vddio_rdev; struct regulator_dev *vddh_rdev; struct regulator *vddio; }; struct at803x_context { u16 bmcr; u16 advertise; u16 control1000; u16 int_enable; u16 smart_speed; u16 led_control; }; static int at803x_debug_reg_read(struct phy_device *phydev, u16 reg) { int ret; ret = phy_write(phydev, AT803X_DEBUG_ADDR, reg); if (ret < 0) return ret; return phy_read(phydev, AT803X_DEBUG_DATA); } static int at803x_debug_reg_mask(struct phy_device *phydev, u16 reg, u16 clear, u16 set) { u16 val; int ret; ret = at803x_debug_reg_read(phydev, reg); if (ret < 0) return ret; val = ret & 0xffff; val &= ~clear; val |= set; return phy_write(phydev, AT803X_DEBUG_DATA, val); } static int at803x_enable_rx_delay(struct phy_device *phydev) { return at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_0, 0, AT803X_DEBUG_RX_CLK_DLY_EN); } static int at803x_enable_tx_delay(struct phy_device *phydev) { return at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_5, 0, AT803X_DEBUG_TX_CLK_DLY_EN); } static int at803x_disable_rx_delay(struct phy_device *phydev) { return at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_0, AT803X_DEBUG_RX_CLK_DLY_EN, 0); } static int at803x_disable_tx_delay(struct phy_device *phydev) { return at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_5, AT803X_DEBUG_TX_CLK_DLY_EN, 0); } /* save relevant PHY registers to private copy */ static void at803x_context_save(struct phy_device *phydev, struct at803x_context *context) { context->bmcr = phy_read(phydev, MII_BMCR); context->advertise = phy_read(phydev, MII_ADVERTISE); context->control1000 = phy_read(phydev, MII_CTRL1000); context->int_enable = phy_read(phydev, AT803X_INTR_ENABLE); context->smart_speed = phy_read(phydev, AT803X_SMART_SPEED); context->led_control = phy_read(phydev, AT803X_LED_CONTROL); } /* restore relevant PHY registers from private copy */ static void at803x_context_restore(struct phy_device *phydev, const struct at803x_context *context) { phy_write(phydev, MII_BMCR, context->bmcr); phy_write(phydev, MII_ADVERTISE, context->advertise); phy_write(phydev, MII_CTRL1000, context->control1000); phy_write(phydev, AT803X_INTR_ENABLE, context->int_enable); phy_write(phydev, AT803X_SMART_SPEED, context->smart_speed); phy_write(phydev, AT803X_LED_CONTROL, context->led_control); } static int at803x_set_wol(struct phy_device *phydev, struct ethtool_wolinfo *wol) { struct net_device *ndev = phydev->attached_dev; const u8 *mac; int ret; u32 value; unsigned int i, offsets[] = { AT803X_LOC_MAC_ADDR_32_47_OFFSET, AT803X_LOC_MAC_ADDR_16_31_OFFSET, AT803X_LOC_MAC_ADDR_0_15_OFFSET, }; if (!ndev) return -ENODEV; if (wol->wolopts & WAKE_MAGIC) { mac = (const u8 *) ndev->dev_addr; if (!is_valid_ether_addr(mac)) return -EINVAL; for (i = 0; i < 3; i++) phy_write_mmd(phydev, AT803X_DEVICE_ADDR, offsets[i], mac[(i * 2) + 1] | (mac[(i * 2)] << 8)); value = phy_read(phydev, AT803X_INTR_ENABLE); value |= AT803X_INTR_ENABLE_WOL; ret = phy_write(phydev, AT803X_INTR_ENABLE, value); if (ret) return ret; value = phy_read(phydev, AT803X_INTR_STATUS); } else { value = phy_read(phydev, AT803X_INTR_ENABLE); value &= (~AT803X_INTR_ENABLE_WOL); ret = phy_write(phydev, AT803X_INTR_ENABLE, value); if (ret) return ret; value = phy_read(phydev, AT803X_INTR_STATUS); } return ret; } static void at803x_get_wol(struct phy_device *phydev, struct ethtool_wolinfo *wol) { u32 value; wol->supported = WAKE_MAGIC; wol->wolopts = 0; value = phy_read(phydev, AT803X_INTR_ENABLE); if (value & AT803X_INTR_ENABLE_WOL) wol->wolopts |= WAKE_MAGIC; } static int at803x_suspend(struct phy_device *phydev) { int value; int wol_enabled; value = phy_read(phydev, AT803X_INTR_ENABLE); wol_enabled = value & AT803X_INTR_ENABLE_WOL; if (wol_enabled) value = BMCR_ISOLATE; else value = BMCR_PDOWN; phy_modify(phydev, MII_BMCR, 0, value); return 0; } static int at803x_resume(struct phy_device *phydev) { return phy_modify(phydev, MII_BMCR, BMCR_PDOWN | BMCR_ISOLATE, 0); } static int at803x_rgmii_reg_set_voltage_sel(struct regulator_dev *rdev, unsigned int selector) { struct phy_device *phydev = rdev_get_drvdata(rdev); if (selector) return at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_1F, 0, AT803X_DEBUG_RGMII_1V8); else return at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_1F, AT803X_DEBUG_RGMII_1V8, 0); } static int at803x_rgmii_reg_get_voltage_sel(struct regulator_dev *rdev) { struct phy_device *phydev = rdev_get_drvdata(rdev); int val; val = at803x_debug_reg_read(phydev, AT803X_DEBUG_REG_1F); if (val < 0) return val; return (val & AT803X_DEBUG_RGMII_1V8) ? 1 : 0; } static struct regulator_ops vddio_regulator_ops = { .list_voltage = regulator_list_voltage_table, .set_voltage_sel = at803x_rgmii_reg_set_voltage_sel, .get_voltage_sel = at803x_rgmii_reg_get_voltage_sel, }; static const unsigned int vddio_voltage_table[] = { 1500000, 1800000, }; static const struct regulator_desc vddio_desc = { .name = "vddio", .of_match = of_match_ptr("vddio-regulator"), .n_voltages = ARRAY_SIZE(vddio_voltage_table), .volt_table = vddio_voltage_table, .ops = &vddio_regulator_ops, .type = REGULATOR_VOLTAGE, .owner = THIS_MODULE, }; static struct regulator_ops vddh_regulator_ops = { }; static const struct regulator_desc vddh_desc = { .name = "vddh", .of_match = of_match_ptr("vddh-regulator"), .n_voltages = 1, .fixed_uV = 2500000, .ops = &vddh_regulator_ops, .type = REGULATOR_VOLTAGE, .owner = THIS_MODULE, }; static int at8031_register_regulators(struct phy_device *phydev) { struct at803x_priv *priv = phydev->priv; struct device *dev = &phydev->mdio.dev; struct regulator_config config = { }; config.dev = dev; config.driver_data = phydev; priv->vddio_rdev = devm_regulator_register(dev, &vddio_desc, &config); if (IS_ERR(priv->vddio_rdev)) { phydev_err(phydev, "failed to register VDDIO regulator\n"); return PTR_ERR(priv->vddio_rdev); } priv->vddh_rdev = devm_regulator_register(dev, &vddh_desc, &config); if (IS_ERR(priv->vddh_rdev)) { phydev_err(phydev, "failed to register VDDH regulator\n"); return PTR_ERR(priv->vddh_rdev); } return 0; } static bool at803x_match_phy_id(struct phy_device *phydev, u32 phy_id) { return (phydev->phy_id & phydev->drv->phy_id_mask) == (phy_id & phydev->drv->phy_id_mask); } static int at803x_parse_dt(struct phy_device *phydev) { struct device_node *node = phydev->mdio.dev.of_node; struct at803x_priv *priv = phydev->priv; unsigned int sel, mask; u32 freq, strength; int ret; if (!IS_ENABLED(CONFIG_OF_MDIO)) return 0; ret = of_property_read_u32(node, "qca,clk-out-frequency", &freq); if (!ret) { mask = AT803X_CLK_OUT_MASK; switch (freq) { case 25000000: sel = AT803X_CLK_OUT_25MHZ_XTAL; break; case 50000000: sel = AT803X_CLK_OUT_50MHZ_PLL; break; case 62500000: sel = AT803X_CLK_OUT_62_5MHZ_PLL; break; case 125000000: sel = AT803X_CLK_OUT_125MHZ_PLL; break; default: phydev_err(phydev, "invalid qca,clk-out-frequency\n"); return -EINVAL; } priv->clk_25m_reg |= FIELD_PREP(mask, sel); priv->clk_25m_mask |= mask; /* Fixup for the AR8030/AR8035. This chip has another mask and * doesn't support the DSP reference. Eg. the lowest bit of the * mask. The upper two bits select the same frequencies. Mask * the lowest bit here. * * Warning: * There was no datasheet for the AR8030 available so this is * just a guess. But the AR8035 is listed as pin compatible * to the AR8030 so there might be a good chance it works on * the AR8030 too. */ if (at803x_match_phy_id(phydev, ATH8030_PHY_ID) || at803x_match_phy_id(phydev, ATH8035_PHY_ID)) { priv->clk_25m_reg &= ~AT8035_CLK_OUT_MASK; priv->clk_25m_mask &= ~AT8035_CLK_OUT_MASK; } } ret = of_property_read_u32(node, "qca,clk-out-strength", &strength); if (!ret) { priv->clk_25m_mask |= AT803X_CLK_OUT_STRENGTH_MASK; switch (strength) { case AR803X_STRENGTH_FULL: priv->clk_25m_reg |= AT803X_CLK_OUT_STRENGTH_FULL; break; case AR803X_STRENGTH_HALF: priv->clk_25m_reg |= AT803X_CLK_OUT_STRENGTH_HALF; break; case AR803X_STRENGTH_QUARTER: priv->clk_25m_reg |= AT803X_CLK_OUT_STRENGTH_QUARTER; break; default: phydev_err(phydev, "invalid qca,clk-out-strength\n"); return -EINVAL; } } /* Only supported on AR8031/AR8033, the AR8030/AR8035 use strapping * options. */ if (at803x_match_phy_id(phydev, ATH8031_PHY_ID)) { if (of_property_read_bool(node, "qca,keep-pll-enabled")) priv->flags |= AT803X_KEEP_PLL_ENABLED; ret = at8031_register_regulators(phydev); if (ret < 0) return ret; priv->vddio = devm_regulator_get_optional(&phydev->mdio.dev, "vddio"); if (IS_ERR(priv->vddio)) { phydev_err(phydev, "failed to get VDDIO regulator\n"); return PTR_ERR(priv->vddio); } ret = regulator_enable(priv->vddio); if (ret < 0) return ret; } return 0; } static int at803x_probe(struct phy_device *phydev) { struct device *dev = &phydev->mdio.dev; struct at803x_priv *priv; priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; phydev->priv = priv; return at803x_parse_dt(phydev); } static int at803x_clk_out_config(struct phy_device *phydev) { struct at803x_priv *priv = phydev->priv; int val; if (!priv->clk_25m_mask) return 0; val = phy_read_mmd(phydev, MDIO_MMD_AN, AT803X_MMD7_CLK25M); if (val < 0) return val; val &= ~priv->clk_25m_mask; val |= priv->clk_25m_reg; return phy_write_mmd(phydev, MDIO_MMD_AN, AT803X_MMD7_CLK25M, val); } static int at8031_pll_config(struct phy_device *phydev) { struct at803x_priv *priv = phydev->priv; /* The default after hardware reset is PLL OFF. After a soft reset, the * values are retained. */ if (priv->flags & AT803X_KEEP_PLL_ENABLED) return at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_1F, 0, AT803X_DEBUG_PLL_ON); else return at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_1F, AT803X_DEBUG_PLL_ON, 0); } static int at803x_config_init(struct phy_device *phydev) { int ret; /* The RX and TX delay default is: * after HW reset: RX delay enabled and TX delay disabled * after SW reset: RX delay enabled, while TX delay retains the * value before reset. */ if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID || phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) ret = at803x_enable_rx_delay(phydev); else ret = at803x_disable_rx_delay(phydev); if (ret < 0) return ret; if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID || phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) ret = at803x_enable_tx_delay(phydev); else ret = at803x_disable_tx_delay(phydev); if (ret < 0) return ret; ret = at803x_clk_out_config(phydev); if (ret < 0) return ret; if (at803x_match_phy_id(phydev, ATH8031_PHY_ID)) { ret = at8031_pll_config(phydev); if (ret < 0) return ret; } return 0; } static int at803x_ack_interrupt(struct phy_device *phydev) { int err; err = phy_read(phydev, AT803X_INTR_STATUS); return (err < 0) ? err : 0; } static int at803x_config_intr(struct phy_device *phydev) { int err; int value; value = phy_read(phydev, AT803X_INTR_ENABLE); if (phydev->interrupts == PHY_INTERRUPT_ENABLED) { value |= AT803X_INTR_ENABLE_AUTONEG_ERR; value |= AT803X_INTR_ENABLE_SPEED_CHANGED; value |= AT803X_INTR_ENABLE_DUPLEX_CHANGED; value |= AT803X_INTR_ENABLE_LINK_FAIL; value |= AT803X_INTR_ENABLE_LINK_SUCCESS; err = phy_write(phydev, AT803X_INTR_ENABLE, value); } else err = phy_write(phydev, AT803X_INTR_ENABLE, 0); return err; } static void at803x_link_change_notify(struct phy_device *phydev) { /* * Conduct a hardware reset for AT8030 every time a link loss is * signalled. This is necessary to circumvent a hardware bug that * occurs when the cable is unplugged while TX packets are pending * in the FIFO. In such cases, the FIFO enters an error mode it * cannot recover from by software. */ if (phydev->state == PHY_NOLINK && phydev->mdio.reset_gpio) { struct at803x_context context; at803x_context_save(phydev, &context); phy_device_reset(phydev, 1); msleep(1); phy_device_reset(phydev, 0); msleep(1); at803x_context_restore(phydev, &context); phydev_dbg(phydev, "%s(): phy was reset\n", __func__); } } static int at803x_aneg_done(struct phy_device *phydev) { int ccr; int aneg_done = genphy_aneg_done(phydev); if (aneg_done != BMSR_ANEGCOMPLETE) return aneg_done; /* * in SGMII mode, if copper side autoneg is successful, * also check SGMII side autoneg result */ ccr = phy_read(phydev, AT803X_REG_CHIP_CONFIG); if ((ccr & AT803X_MODE_CFG_MASK) != AT803X_MODE_CFG_SGMII) return aneg_done; /* switch to SGMII/fiber page */ phy_write(phydev, AT803X_REG_CHIP_CONFIG, ccr & ~AT803X_BT_BX_REG_SEL); /* check if the SGMII link is OK. */ if (!(phy_read(phydev, AT803X_PSSR) & AT803X_PSSR_MR_AN_COMPLETE)) { phydev_warn(phydev, "803x_aneg_done: SGMII link is not ok\n"); aneg_done = 0; } /* switch back to copper page */ phy_write(phydev, AT803X_REG_CHIP_CONFIG, ccr | AT803X_BT_BX_REG_SEL); return aneg_done; } static int at803x_read_status(struct phy_device *phydev) { int ss, err, old_link = phydev->link; /* Update the link, but return if there was an error */ err = genphy_update_link(phydev); if (err) return err; /* why bother the PHY if nothing can have changed */ if (phydev->autoneg == AUTONEG_ENABLE && old_link && phydev->link) return 0; phydev->speed = SPEED_UNKNOWN; phydev->duplex = DUPLEX_UNKNOWN; phydev->pause = 0; phydev->asym_pause = 0; err = genphy_read_lpa(phydev); if (err < 0) return err; /* Read the AT8035 PHY-Specific Status register, which indicates the * speed and duplex that the PHY is actually using, irrespective of * whether we are in autoneg mode or not. */ ss = phy_read(phydev, AT803X_SPECIFIC_STATUS); if (ss < 0) return ss; if (ss & AT803X_SS_SPEED_DUPLEX_RESOLVED) { switch (ss & AT803X_SS_SPEED_MASK) { case AT803X_SS_SPEED_10: phydev->speed = SPEED_10; break; case AT803X_SS_SPEED_100: phydev->speed = SPEED_100; break; case AT803X_SS_SPEED_1000: phydev->speed = SPEED_1000; break; } if (ss & AT803X_SS_DUPLEX) phydev->duplex = DUPLEX_FULL; else phydev->duplex = DUPLEX_HALF; if (ss & AT803X_SS_MDIX) phydev->mdix = ETH_TP_MDI_X; else phydev->mdix = ETH_TP_MDI; } if (phydev->autoneg == AUTONEG_ENABLE && phydev->autoneg_complete) phy_resolve_aneg_pause(phydev); return 0; } static struct phy_driver at803x_driver[] = { { /* Qualcomm Atheros AR8035 */ .phy_id = ATH8035_PHY_ID, .name = "Qualcomm Atheros AR8035", .phy_id_mask = AT803X_PHY_ID_MASK, .probe = at803x_probe, .config_init = at803x_config_init, .set_wol = at803x_set_wol, .get_wol = at803x_get_wol, .suspend = at803x_suspend, .resume = at803x_resume, /* PHY_GBIT_FEATURES */ .read_status = at803x_read_status, .ack_interrupt = at803x_ack_interrupt, .config_intr = at803x_config_intr, }, { /* Qualcomm Atheros AR8030 */ .phy_id = ATH8030_PHY_ID, .name = "Qualcomm Atheros AR8030", .phy_id_mask = AT803X_PHY_ID_MASK, .probe = at803x_probe, .config_init = at803x_config_init, .link_change_notify = at803x_link_change_notify, .set_wol = at803x_set_wol, .get_wol = at803x_get_wol, .suspend = at803x_suspend, .resume = at803x_resume, /* PHY_BASIC_FEATURES */ .ack_interrupt = at803x_ack_interrupt, .config_intr = at803x_config_intr, }, { /* Qualcomm Atheros AR8031/AR8033 */ .phy_id = ATH8031_PHY_ID, .name = "Qualcomm Atheros AR8031/AR8033", .phy_id_mask = AT803X_PHY_ID_MASK, .probe = at803x_probe, .config_init = at803x_config_init, .set_wol = at803x_set_wol, .get_wol = at803x_get_wol, .suspend = at803x_suspend, .resume = at803x_resume, /* PHY_GBIT_FEATURES */ .read_status = at803x_read_status, .aneg_done = at803x_aneg_done, .ack_interrupt = &at803x_ack_interrupt, .config_intr = &at803x_config_intr, }, { /* ATHEROS AR9331 */ PHY_ID_MATCH_EXACT(ATH9331_PHY_ID), .name = "Qualcomm Atheros AR9331 built-in PHY", .suspend = at803x_suspend, .resume = at803x_resume, /* PHY_BASIC_FEATURES */ .ack_interrupt = &at803x_ack_interrupt, .config_intr = &at803x_config_intr, } }; module_phy_driver(at803x_driver); static struct mdio_device_id __maybe_unused atheros_tbl[] = { { ATH8030_PHY_ID, AT803X_PHY_ID_MASK }, { ATH8031_PHY_ID, AT803X_PHY_ID_MASK }, { ATH8035_PHY_ID, AT803X_PHY_ID_MASK }, { PHY_ID_MATCH_EXACT(ATH9331_PHY_ID) }, { } }; MODULE_DEVICE_TABLE(mdio, atheros_tbl);