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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * drivers/net/phy/micrel.c
- *
- * Driver for Micrel PHYs
- *
- * Author: David J. Choi
- *
- * Copyright (c) 2010-2013 Micrel, Inc.
- * Copyright (c) 2014 Johan Hovold <johan@kernel.org>
- *
- * Support : Micrel Phys:
- * Giga phys: ksz9021, ksz9031, ksz9131
- * 100/10 Phys : ksz8001, ksz8721, ksz8737, ksz8041
- * ksz8021, ksz8031, ksz8051,
- * ksz8081, ksz8091,
- * ksz8061,
- * Switch : ksz8873, ksz886x
- * ksz9477
- */
- #include <linux/bitfield.h>
- #include <linux/kernel.h>
- #include <linux/module.h>
- #include <linux/phy.h>
- #include <linux/micrel_phy.h>
- #include <linux/of.h>
- #include <linux/clk.h>
- #include <linux/delay.h>
- /* Operation Mode Strap Override */
- #define MII_KSZPHY_OMSO 0x16
- #define KSZPHY_OMSO_FACTORY_TEST BIT(15)
- #define KSZPHY_OMSO_B_CAST_OFF BIT(9)
- #define KSZPHY_OMSO_NAND_TREE_ON BIT(5)
- #define KSZPHY_OMSO_RMII_OVERRIDE BIT(1)
- #define KSZPHY_OMSO_MII_OVERRIDE BIT(0)
- /* general Interrupt control/status reg in vendor specific block. */
- #define MII_KSZPHY_INTCS 0x1B
- #define KSZPHY_INTCS_JABBER BIT(15)
- #define KSZPHY_INTCS_RECEIVE_ERR BIT(14)
- #define KSZPHY_INTCS_PAGE_RECEIVE BIT(13)
- #define KSZPHY_INTCS_PARELLEL BIT(12)
- #define KSZPHY_INTCS_LINK_PARTNER_ACK BIT(11)
- #define KSZPHY_INTCS_LINK_DOWN BIT(10)
- #define KSZPHY_INTCS_REMOTE_FAULT BIT(9)
- #define KSZPHY_INTCS_LINK_UP BIT(8)
- #define KSZPHY_INTCS_ALL (KSZPHY_INTCS_LINK_UP |\
- KSZPHY_INTCS_LINK_DOWN)
- /* PHY Control 1 */
- #define MII_KSZPHY_CTRL_1 0x1e
- /* PHY Control 2 / PHY Control (if no PHY Control 1) */
- #define MII_KSZPHY_CTRL_2 0x1f
- #define MII_KSZPHY_CTRL MII_KSZPHY_CTRL_2
- /* bitmap of PHY register to set interrupt mode */
- #define KSZPHY_CTRL_INT_ACTIVE_HIGH BIT(9)
- #define KSZPHY_RMII_REF_CLK_SEL BIT(7)
- /* Write/read to/from extended registers */
- #define MII_KSZPHY_EXTREG 0x0b
- #define KSZPHY_EXTREG_WRITE 0x8000
- #define MII_KSZPHY_EXTREG_WRITE 0x0c
- #define MII_KSZPHY_EXTREG_READ 0x0d
- /* Extended registers */
- #define MII_KSZPHY_CLK_CONTROL_PAD_SKEW 0x104
- #define MII_KSZPHY_RX_DATA_PAD_SKEW 0x105
- #define MII_KSZPHY_TX_DATA_PAD_SKEW 0x106
- #define PS_TO_REG 200
- struct kszphy_hw_stat {
- const char *string;
- u8 reg;
- u8 bits;
- };
- static struct kszphy_hw_stat kszphy_hw_stats[] = {
- { "phy_receive_errors", 21, 16},
- { "phy_idle_errors", 10, 8 },
- };
- struct kszphy_type {
- u32 led_mode_reg;
- u16 interrupt_level_mask;
- bool has_broadcast_disable;
- bool has_nand_tree_disable;
- bool has_rmii_ref_clk_sel;
- };
- struct kszphy_priv {
- const struct kszphy_type *type;
- int led_mode;
- bool rmii_ref_clk_sel;
- bool rmii_ref_clk_sel_val;
- u64 stats[ARRAY_SIZE(kszphy_hw_stats)];
- };
- static const struct kszphy_type ksz8021_type = {
- .led_mode_reg = MII_KSZPHY_CTRL_2,
- .has_broadcast_disable = true,
- .has_nand_tree_disable = true,
- .has_rmii_ref_clk_sel = true,
- };
- static const struct kszphy_type ksz8041_type = {
- .led_mode_reg = MII_KSZPHY_CTRL_1,
- };
- static const struct kszphy_type ksz8051_type = {
- .led_mode_reg = MII_KSZPHY_CTRL_2,
- .has_nand_tree_disable = true,
- };
- static const struct kszphy_type ksz8081_type = {
- .led_mode_reg = MII_KSZPHY_CTRL_2,
- .has_broadcast_disable = true,
- .has_nand_tree_disable = true,
- .has_rmii_ref_clk_sel = true,
- };
- static const struct kszphy_type ks8737_type = {
- .interrupt_level_mask = BIT(14),
- };
- static const struct kszphy_type ksz9021_type = {
- .interrupt_level_mask = BIT(14),
- };
- static int kszphy_extended_write(struct phy_device *phydev,
- u32 regnum, u16 val)
- {
- phy_write(phydev, MII_KSZPHY_EXTREG, KSZPHY_EXTREG_WRITE | regnum);
- return phy_write(phydev, MII_KSZPHY_EXTREG_WRITE, val);
- }
- static int kszphy_extended_read(struct phy_device *phydev,
- u32 regnum)
- {
- phy_write(phydev, MII_KSZPHY_EXTREG, regnum);
- return phy_read(phydev, MII_KSZPHY_EXTREG_READ);
- }
- static int kszphy_ack_interrupt(struct phy_device *phydev)
- {
- /* bit[7..0] int status, which is a read and clear register. */
- int rc;
- rc = phy_read(phydev, MII_KSZPHY_INTCS);
- return (rc < 0) ? rc : 0;
- }
- static int kszphy_config_intr(struct phy_device *phydev)
- {
- const struct kszphy_type *type = phydev->drv->driver_data;
- int temp;
- u16 mask;
- if (type && type->interrupt_level_mask)
- mask = type->interrupt_level_mask;
- else
- mask = KSZPHY_CTRL_INT_ACTIVE_HIGH;
- /* set the interrupt pin active low */
- temp = phy_read(phydev, MII_KSZPHY_CTRL);
- if (temp < 0)
- return temp;
- temp &= ~mask;
- phy_write(phydev, MII_KSZPHY_CTRL, temp);
- /* enable / disable interrupts */
- if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
- temp = KSZPHY_INTCS_ALL;
- else
- temp = 0;
- return phy_write(phydev, MII_KSZPHY_INTCS, temp);
- }
- static int kszphy_rmii_clk_sel(struct phy_device *phydev, bool val)
- {
- int ctrl;
- ctrl = phy_read(phydev, MII_KSZPHY_CTRL);
- if (ctrl < 0)
- return ctrl;
- if (val)
- ctrl |= KSZPHY_RMII_REF_CLK_SEL;
- else
- ctrl &= ~KSZPHY_RMII_REF_CLK_SEL;
- return phy_write(phydev, MII_KSZPHY_CTRL, ctrl);
- }
- static int kszphy_setup_led(struct phy_device *phydev, u32 reg, int val)
- {
- int rc, temp, shift;
- switch (reg) {
- case MII_KSZPHY_CTRL_1:
- shift = 14;
- break;
- case MII_KSZPHY_CTRL_2:
- shift = 4;
- break;
- default:
- return -EINVAL;
- }
- temp = phy_read(phydev, reg);
- if (temp < 0) {
- rc = temp;
- goto out;
- }
- temp &= ~(3 << shift);
- temp |= val << shift;
- rc = phy_write(phydev, reg, temp);
- out:
- if (rc < 0)
- phydev_err(phydev, "failed to set led mode\n");
- return rc;
- }
- /* Disable PHY address 0 as the broadcast address, so that it can be used as a
- * unique (non-broadcast) address on a shared bus.
- */
- static int kszphy_broadcast_disable(struct phy_device *phydev)
- {
- int ret;
- ret = phy_read(phydev, MII_KSZPHY_OMSO);
- if (ret < 0)
- goto out;
- ret = phy_write(phydev, MII_KSZPHY_OMSO, ret | KSZPHY_OMSO_B_CAST_OFF);
- out:
- if (ret)
- phydev_err(phydev, "failed to disable broadcast address\n");
- return ret;
- }
- static int kszphy_nand_tree_disable(struct phy_device *phydev)
- {
- int ret;
- ret = phy_read(phydev, MII_KSZPHY_OMSO);
- if (ret < 0)
- goto out;
- if (!(ret & KSZPHY_OMSO_NAND_TREE_ON))
- return 0;
- ret = phy_write(phydev, MII_KSZPHY_OMSO,
- ret & ~KSZPHY_OMSO_NAND_TREE_ON);
- out:
- if (ret)
- phydev_err(phydev, "failed to disable NAND tree mode\n");
- return ret;
- }
- /* Some config bits need to be set again on resume, handle them here. */
- static int kszphy_config_reset(struct phy_device *phydev)
- {
- struct kszphy_priv *priv = phydev->priv;
- int ret;
- if (priv->rmii_ref_clk_sel) {
- ret = kszphy_rmii_clk_sel(phydev, priv->rmii_ref_clk_sel_val);
- if (ret) {
- phydev_err(phydev,
- "failed to set rmii reference clock\n");
- return ret;
- }
- }
- if (priv->led_mode >= 0)
- kszphy_setup_led(phydev, priv->type->led_mode_reg, priv->led_mode);
- return 0;
- }
- static int kszphy_config_init(struct phy_device *phydev)
- {
- struct kszphy_priv *priv = phydev->priv;
- const struct kszphy_type *type;
- if (!priv)
- return 0;
- type = priv->type;
- if (type->has_broadcast_disable)
- kszphy_broadcast_disable(phydev);
- if (type->has_nand_tree_disable)
- kszphy_nand_tree_disable(phydev);
- return kszphy_config_reset(phydev);
- }
- static int ksz8041_fiber_mode(struct phy_device *phydev)
- {
- struct device_node *of_node = phydev->mdio.dev.of_node;
- return of_property_read_bool(of_node, "micrel,fiber-mode");
- }
- static int ksz8041_config_init(struct phy_device *phydev)
- {
- __ETHTOOL_DECLARE_LINK_MODE_MASK(mask) = { 0, };
- /* Limit supported and advertised modes in fiber mode */
- if (ksz8041_fiber_mode(phydev)) {
- phydev->dev_flags |= MICREL_PHY_FXEN;
- linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT, mask);
- linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Half_BIT, mask);
- linkmode_and(phydev->supported, phydev->supported, mask);
- linkmode_set_bit(ETHTOOL_LINK_MODE_FIBRE_BIT,
- phydev->supported);
- linkmode_and(phydev->advertising, phydev->advertising, mask);
- linkmode_set_bit(ETHTOOL_LINK_MODE_FIBRE_BIT,
- phydev->advertising);
- phydev->autoneg = AUTONEG_DISABLE;
- }
- return kszphy_config_init(phydev);
- }
- static int ksz8041_config_aneg(struct phy_device *phydev)
- {
- /* Skip auto-negotiation in fiber mode */
- if (phydev->dev_flags & MICREL_PHY_FXEN) {
- phydev->speed = SPEED_100;
- return 0;
- }
- return genphy_config_aneg(phydev);
- }
- static int ksz8051_ksz8795_match_phy_device(struct phy_device *phydev,
- const bool ksz_8051)
- {
- int ret;
- if ((phydev->phy_id & MICREL_PHY_ID_MASK) != PHY_ID_KSZ8051)
- return 0;
- ret = phy_read(phydev, MII_BMSR);
- if (ret < 0)
- return ret;
- /* KSZ8051 PHY and KSZ8794/KSZ8795/KSZ8765 switch share the same
- * exact PHY ID. However, they can be told apart by the extended
- * capability registers presence. The KSZ8051 PHY has them while
- * the switch does not.
- */
- ret &= BMSR_ERCAP;
- if (ksz_8051)
- return ret;
- else
- return !ret;
- }
- static int ksz8051_match_phy_device(struct phy_device *phydev)
- {
- return ksz8051_ksz8795_match_phy_device(phydev, true);
- }
- static int ksz8081_config_init(struct phy_device *phydev)
- {
- /* KSZPHY_OMSO_FACTORY_TEST is set at de-assertion of the reset line
- * based on the RXER (KSZ8081RNA/RND) or TXC (KSZ8081MNX/RNB) pin. If a
- * pull-down is missing, the factory test mode should be cleared by
- * manually writing a 0.
- */
- phy_clear_bits(phydev, MII_KSZPHY_OMSO, KSZPHY_OMSO_FACTORY_TEST);
- return kszphy_config_init(phydev);
- }
- static int ksz8061_config_init(struct phy_device *phydev)
- {
- int ret;
- ret = phy_write_mmd(phydev, MDIO_MMD_PMAPMD, MDIO_DEVID1, 0xB61A);
- if (ret)
- return ret;
- return kszphy_config_init(phydev);
- }
- static int ksz8795_match_phy_device(struct phy_device *phydev)
- {
- return ksz8051_ksz8795_match_phy_device(phydev, false);
- }
- static int ksz9021_load_values_from_of(struct phy_device *phydev,
- const struct device_node *of_node,
- u16 reg,
- const char *field1, const char *field2,
- const char *field3, const char *field4)
- {
- int val1 = -1;
- int val2 = -2;
- int val3 = -3;
- int val4 = -4;
- int newval;
- int matches = 0;
- if (!of_property_read_u32(of_node, field1, &val1))
- matches++;
- if (!of_property_read_u32(of_node, field2, &val2))
- matches++;
- if (!of_property_read_u32(of_node, field3, &val3))
- matches++;
- if (!of_property_read_u32(of_node, field4, &val4))
- matches++;
- if (!matches)
- return 0;
- if (matches < 4)
- newval = kszphy_extended_read(phydev, reg);
- else
- newval = 0;
- if (val1 != -1)
- newval = ((newval & 0xfff0) | ((val1 / PS_TO_REG) & 0xf) << 0);
- if (val2 != -2)
- newval = ((newval & 0xff0f) | ((val2 / PS_TO_REG) & 0xf) << 4);
- if (val3 != -3)
- newval = ((newval & 0xf0ff) | ((val3 / PS_TO_REG) & 0xf) << 8);
- if (val4 != -4)
- newval = ((newval & 0x0fff) | ((val4 / PS_TO_REG) & 0xf) << 12);
- return kszphy_extended_write(phydev, reg, newval);
- }
- static int ksz9021_config_init(struct phy_device *phydev)
- {
- const struct device *dev = &phydev->mdio.dev;
- const struct device_node *of_node = dev->of_node;
- const struct device *dev_walker;
- /* The Micrel driver has a deprecated option to place phy OF
- * properties in the MAC node. Walk up the tree of devices to
- * find a device with an OF node.
- */
- dev_walker = &phydev->mdio.dev;
- do {
- of_node = dev_walker->of_node;
- dev_walker = dev_walker->parent;
- } while (!of_node && dev_walker);
- if (of_node) {
- ksz9021_load_values_from_of(phydev, of_node,
- MII_KSZPHY_CLK_CONTROL_PAD_SKEW,
- "txen-skew-ps", "txc-skew-ps",
- "rxdv-skew-ps", "rxc-skew-ps");
- ksz9021_load_values_from_of(phydev, of_node,
- MII_KSZPHY_RX_DATA_PAD_SKEW,
- "rxd0-skew-ps", "rxd1-skew-ps",
- "rxd2-skew-ps", "rxd3-skew-ps");
- ksz9021_load_values_from_of(phydev, of_node,
- MII_KSZPHY_TX_DATA_PAD_SKEW,
- "txd0-skew-ps", "txd1-skew-ps",
- "txd2-skew-ps", "txd3-skew-ps");
- }
- return 0;
- }
- #define KSZ9031_PS_TO_REG 60
- /* Extended registers */
- /* MMD Address 0x0 */
- #define MII_KSZ9031RN_FLP_BURST_TX_LO 3
- #define MII_KSZ9031RN_FLP_BURST_TX_HI 4
- /* MMD Address 0x2 */
- #define MII_KSZ9031RN_CONTROL_PAD_SKEW 4
- #define MII_KSZ9031RN_RX_CTL_M GENMASK(7, 4)
- #define MII_KSZ9031RN_TX_CTL_M GENMASK(3, 0)
- #define MII_KSZ9031RN_RX_DATA_PAD_SKEW 5
- #define MII_KSZ9031RN_RXD3 GENMASK(15, 12)
- #define MII_KSZ9031RN_RXD2 GENMASK(11, 8)
- #define MII_KSZ9031RN_RXD1 GENMASK(7, 4)
- #define MII_KSZ9031RN_RXD0 GENMASK(3, 0)
- #define MII_KSZ9031RN_TX_DATA_PAD_SKEW 6
- #define MII_KSZ9031RN_TXD3 GENMASK(15, 12)
- #define MII_KSZ9031RN_TXD2 GENMASK(11, 8)
- #define MII_KSZ9031RN_TXD1 GENMASK(7, 4)
- #define MII_KSZ9031RN_TXD0 GENMASK(3, 0)
- #define MII_KSZ9031RN_CLK_PAD_SKEW 8
- #define MII_KSZ9031RN_GTX_CLK GENMASK(9, 5)
- #define MII_KSZ9031RN_RX_CLK GENMASK(4, 0)
- /* KSZ9031 has internal RGMII_IDRX = 1.2ns and RGMII_IDTX = 0ns. To
- * provide different RGMII options we need to configure delay offset
- * for each pad relative to build in delay.
- */
- /* keep rx as "No delay adjustment" and set rx_clk to +0.60ns to get delays of
- * 1.80ns
- */
- #define RX_ID 0x7
- #define RX_CLK_ID 0x19
- /* set rx to +0.30ns and rx_clk to -0.90ns to compensate the
- * internal 1.2ns delay.
- */
- #define RX_ND 0xc
- #define RX_CLK_ND 0x0
- /* set tx to -0.42ns and tx_clk to +0.96ns to get 1.38ns delay */
- #define TX_ID 0x0
- #define TX_CLK_ID 0x1f
- /* set tx and tx_clk to "No delay adjustment" to keep 0ns
- * dealy
- */
- #define TX_ND 0x7
- #define TX_CLK_ND 0xf
- /* MMD Address 0x1C */
- #define MII_KSZ9031RN_EDPD 0x23
- #define MII_KSZ9031RN_EDPD_ENABLE BIT(0)
- static int ksz9031_of_load_skew_values(struct phy_device *phydev,
- const struct device_node *of_node,
- u16 reg, size_t field_sz,
- const char *field[], u8 numfields,
- bool *update)
- {
- int val[4] = {-1, -2, -3, -4};
- int matches = 0;
- u16 mask;
- u16 maxval;
- u16 newval;
- int i;
- for (i = 0; i < numfields; i++)
- if (!of_property_read_u32(of_node, field[i], val + i))
- matches++;
- if (!matches)
- return 0;
- *update |= true;
- if (matches < numfields)
- newval = phy_read_mmd(phydev, 2, reg);
- else
- newval = 0;
- maxval = (field_sz == 4) ? 0xf : 0x1f;
- for (i = 0; i < numfields; i++)
- if (val[i] != -(i + 1)) {
- mask = 0xffff;
- mask ^= maxval << (field_sz * i);
- newval = (newval & mask) |
- (((val[i] / KSZ9031_PS_TO_REG) & maxval)
- << (field_sz * i));
- }
- return phy_write_mmd(phydev, 2, reg, newval);
- }
- /* Center KSZ9031RNX FLP timing at 16ms. */
- static int ksz9031_center_flp_timing(struct phy_device *phydev)
- {
- int result;
- result = phy_write_mmd(phydev, 0, MII_KSZ9031RN_FLP_BURST_TX_HI,
- 0x0006);
- if (result)
- return result;
- result = phy_write_mmd(phydev, 0, MII_KSZ9031RN_FLP_BURST_TX_LO,
- 0x1A80);
- if (result)
- return result;
- return genphy_restart_aneg(phydev);
- }
- /* Enable energy-detect power-down mode */
- static int ksz9031_enable_edpd(struct phy_device *phydev)
- {
- int reg;
- reg = phy_read_mmd(phydev, 0x1C, MII_KSZ9031RN_EDPD);
- if (reg < 0)
- return reg;
- return phy_write_mmd(phydev, 0x1C, MII_KSZ9031RN_EDPD,
- reg | MII_KSZ9031RN_EDPD_ENABLE);
- }
- static int ksz9031_config_rgmii_delay(struct phy_device *phydev)
- {
- u16 rx, tx, rx_clk, tx_clk;
- int ret;
- switch (phydev->interface) {
- case PHY_INTERFACE_MODE_RGMII:
- tx = TX_ND;
- tx_clk = TX_CLK_ND;
- rx = RX_ND;
- rx_clk = RX_CLK_ND;
- break;
- case PHY_INTERFACE_MODE_RGMII_ID:
- tx = TX_ID;
- tx_clk = TX_CLK_ID;
- rx = RX_ID;
- rx_clk = RX_CLK_ID;
- break;
- case PHY_INTERFACE_MODE_RGMII_RXID:
- tx = TX_ND;
- tx_clk = TX_CLK_ND;
- rx = RX_ID;
- rx_clk = RX_CLK_ID;
- break;
- case PHY_INTERFACE_MODE_RGMII_TXID:
- tx = TX_ID;
- tx_clk = TX_CLK_ID;
- rx = RX_ND;
- rx_clk = RX_CLK_ND;
- break;
- default:
- return 0;
- }
- ret = phy_write_mmd(phydev, 2, MII_KSZ9031RN_CONTROL_PAD_SKEW,
- FIELD_PREP(MII_KSZ9031RN_RX_CTL_M, rx) |
- FIELD_PREP(MII_KSZ9031RN_TX_CTL_M, tx));
- if (ret < 0)
- return ret;
- ret = phy_write_mmd(phydev, 2, MII_KSZ9031RN_RX_DATA_PAD_SKEW,
- FIELD_PREP(MII_KSZ9031RN_RXD3, rx) |
- FIELD_PREP(MII_KSZ9031RN_RXD2, rx) |
- FIELD_PREP(MII_KSZ9031RN_RXD1, rx) |
- FIELD_PREP(MII_KSZ9031RN_RXD0, rx));
- if (ret < 0)
- return ret;
- ret = phy_write_mmd(phydev, 2, MII_KSZ9031RN_TX_DATA_PAD_SKEW,
- FIELD_PREP(MII_KSZ9031RN_TXD3, tx) |
- FIELD_PREP(MII_KSZ9031RN_TXD2, tx) |
- FIELD_PREP(MII_KSZ9031RN_TXD1, tx) |
- FIELD_PREP(MII_KSZ9031RN_TXD0, tx));
- if (ret < 0)
- return ret;
- return phy_write_mmd(phydev, 2, MII_KSZ9031RN_CLK_PAD_SKEW,
- FIELD_PREP(MII_KSZ9031RN_GTX_CLK, tx_clk) |
- FIELD_PREP(MII_KSZ9031RN_RX_CLK, rx_clk));
- }
- static int ksz9031_config_init(struct phy_device *phydev)
- {
- const struct device *dev = &phydev->mdio.dev;
- const struct device_node *of_node = dev->of_node;
- static const char *clk_skews[2] = {"rxc-skew-ps", "txc-skew-ps"};
- static const char *rx_data_skews[4] = {
- "rxd0-skew-ps", "rxd1-skew-ps",
- "rxd2-skew-ps", "rxd3-skew-ps"
- };
- static const char *tx_data_skews[4] = {
- "txd0-skew-ps", "txd1-skew-ps",
- "txd2-skew-ps", "txd3-skew-ps"
- };
- static const char *control_skews[2] = {"txen-skew-ps", "rxdv-skew-ps"};
- const struct device *dev_walker;
- int result;
- result = ksz9031_enable_edpd(phydev);
- if (result < 0)
- return result;
- /* The Micrel driver has a deprecated option to place phy OF
- * properties in the MAC node. Walk up the tree of devices to
- * find a device with an OF node.
- */
- dev_walker = &phydev->mdio.dev;
- do {
- of_node = dev_walker->of_node;
- dev_walker = dev_walker->parent;
- } while (!of_node && dev_walker);
- if (of_node) {
- bool update = false;
- if (phy_interface_is_rgmii(phydev)) {
- result = ksz9031_config_rgmii_delay(phydev);
- if (result < 0)
- return result;
- }
- ksz9031_of_load_skew_values(phydev, of_node,
- MII_KSZ9031RN_CLK_PAD_SKEW, 5,
- clk_skews, 2, &update);
- ksz9031_of_load_skew_values(phydev, of_node,
- MII_KSZ9031RN_CONTROL_PAD_SKEW, 4,
- control_skews, 2, &update);
- ksz9031_of_load_skew_values(phydev, of_node,
- MII_KSZ9031RN_RX_DATA_PAD_SKEW, 4,
- rx_data_skews, 4, &update);
- ksz9031_of_load_skew_values(phydev, of_node,
- MII_KSZ9031RN_TX_DATA_PAD_SKEW, 4,
- tx_data_skews, 4, &update);
- if (update && !phy_interface_is_rgmii(phydev))
- phydev_warn(phydev,
- "*-skew-ps values should be used only with RGMII PHY modes\n");
- /* Silicon Errata Sheet (DS80000691D or DS80000692D):
- * When the device links in the 1000BASE-T slave mode only,
- * the optional 125MHz reference output clock (CLK125_NDO)
- * has wide duty cycle variation.
- *
- * The optional CLK125_NDO clock does not meet the RGMII
- * 45/55 percent (min/max) duty cycle requirement and therefore
- * cannot be used directly by the MAC side for clocking
- * applications that have setup/hold time requirements on
- * rising and falling clock edges.
- *
- * Workaround:
- * Force the phy to be the master to receive a stable clock
- * which meets the duty cycle requirement.
- */
- if (of_property_read_bool(of_node, "micrel,force-master")) {
- result = phy_read(phydev, MII_CTRL1000);
- if (result < 0)
- goto err_force_master;
- /* enable master mode, config & prefer master */
- result |= CTL1000_ENABLE_MASTER | CTL1000_AS_MASTER;
- result = phy_write(phydev, MII_CTRL1000, result);
- if (result < 0)
- goto err_force_master;
- }
- }
- return ksz9031_center_flp_timing(phydev);
- err_force_master:
- phydev_err(phydev, "failed to force the phy to master mode\n");
- return result;
- }
- #define KSZ9131_SKEW_5BIT_MAX 2400
- #define KSZ9131_SKEW_4BIT_MAX 800
- #define KSZ9131_OFFSET 700
- #define KSZ9131_STEP 100
- static int ksz9131_of_load_skew_values(struct phy_device *phydev,
- struct device_node *of_node,
- u16 reg, size_t field_sz,
- char *field[], u8 numfields)
- {
- int val[4] = {-(1 + KSZ9131_OFFSET), -(2 + KSZ9131_OFFSET),
- -(3 + KSZ9131_OFFSET), -(4 + KSZ9131_OFFSET)};
- int skewval, skewmax = 0;
- int matches = 0;
- u16 maxval;
- u16 newval;
- u16 mask;
- int i;
- /* psec properties in dts should mean x pico seconds */
- if (field_sz == 5)
- skewmax = KSZ9131_SKEW_5BIT_MAX;
- else
- skewmax = KSZ9131_SKEW_4BIT_MAX;
- for (i = 0; i < numfields; i++)
- if (!of_property_read_s32(of_node, field[i], &skewval)) {
- if (skewval < -KSZ9131_OFFSET)
- skewval = -KSZ9131_OFFSET;
- else if (skewval > skewmax)
- skewval = skewmax;
- val[i] = skewval + KSZ9131_OFFSET;
- matches++;
- }
- if (!matches)
- return 0;
- if (matches < numfields)
- newval = phy_read_mmd(phydev, 2, reg);
- else
- newval = 0;
- maxval = (field_sz == 4) ? 0xf : 0x1f;
- for (i = 0; i < numfields; i++)
- if (val[i] != -(i + 1 + KSZ9131_OFFSET)) {
- mask = 0xffff;
- mask ^= maxval << (field_sz * i);
- newval = (newval & mask) |
- (((val[i] / KSZ9131_STEP) & maxval)
- << (field_sz * i));
- }
- return phy_write_mmd(phydev, 2, reg, newval);
- }
- #define KSZ9131RN_MMD_COMMON_CTRL_REG 2
- #define KSZ9131RN_RXC_DLL_CTRL 76
- #define KSZ9131RN_TXC_DLL_CTRL 77
- #define KSZ9131RN_DLL_CTRL_BYPASS BIT_MASK(12)
- #define KSZ9131RN_DLL_ENABLE_DELAY 0
- #define KSZ9131RN_DLL_DISABLE_DELAY BIT(12)
- static int ksz9131_config_rgmii_delay(struct phy_device *phydev)
- {
- u16 rxcdll_val, txcdll_val;
- int ret;
- switch (phydev->interface) {
- case PHY_INTERFACE_MODE_RGMII:
- rxcdll_val = KSZ9131RN_DLL_DISABLE_DELAY;
- txcdll_val = KSZ9131RN_DLL_DISABLE_DELAY;
- break;
- case PHY_INTERFACE_MODE_RGMII_ID:
- rxcdll_val = KSZ9131RN_DLL_ENABLE_DELAY;
- txcdll_val = KSZ9131RN_DLL_ENABLE_DELAY;
- break;
- case PHY_INTERFACE_MODE_RGMII_RXID:
- rxcdll_val = KSZ9131RN_DLL_ENABLE_DELAY;
- txcdll_val = KSZ9131RN_DLL_DISABLE_DELAY;
- break;
- case PHY_INTERFACE_MODE_RGMII_TXID:
- rxcdll_val = KSZ9131RN_DLL_DISABLE_DELAY;
- txcdll_val = KSZ9131RN_DLL_ENABLE_DELAY;
- break;
- default:
- return 0;
- }
- ret = phy_modify_mmd(phydev, KSZ9131RN_MMD_COMMON_CTRL_REG,
- KSZ9131RN_RXC_DLL_CTRL, KSZ9131RN_DLL_CTRL_BYPASS,
- rxcdll_val);
- if (ret < 0)
- return ret;
- return phy_modify_mmd(phydev, KSZ9131RN_MMD_COMMON_CTRL_REG,
- KSZ9131RN_TXC_DLL_CTRL, KSZ9131RN_DLL_CTRL_BYPASS,
- txcdll_val);
- }
- static int ksz9131_config_init(struct phy_device *phydev)
- {
- const struct device *dev = &phydev->mdio.dev;
- struct device_node *of_node = dev->of_node;
- char *clk_skews[2] = {"rxc-skew-psec", "txc-skew-psec"};
- char *rx_data_skews[4] = {
- "rxd0-skew-psec", "rxd1-skew-psec",
- "rxd2-skew-psec", "rxd3-skew-psec"
- };
- char *tx_data_skews[4] = {
- "txd0-skew-psec", "txd1-skew-psec",
- "txd2-skew-psec", "txd3-skew-psec"
- };
- char *control_skews[2] = {"txen-skew-psec", "rxdv-skew-psec"};
- const struct device *dev_walker;
- int ret;
- dev_walker = &phydev->mdio.dev;
- do {
- of_node = dev_walker->of_node;
- dev_walker = dev_walker->parent;
- } while (!of_node && dev_walker);
- if (!of_node)
- return 0;
- if (phy_interface_is_rgmii(phydev)) {
- ret = ksz9131_config_rgmii_delay(phydev);
- if (ret < 0)
- return ret;
- }
- ret = ksz9131_of_load_skew_values(phydev, of_node,
- MII_KSZ9031RN_CLK_PAD_SKEW, 5,
- clk_skews, 2);
- if (ret < 0)
- return ret;
- ret = ksz9131_of_load_skew_values(phydev, of_node,
- MII_KSZ9031RN_CONTROL_PAD_SKEW, 4,
- control_skews, 2);
- if (ret < 0)
- return ret;
- ret = ksz9131_of_load_skew_values(phydev, of_node,
- MII_KSZ9031RN_RX_DATA_PAD_SKEW, 4,
- rx_data_skews, 4);
- if (ret < 0)
- return ret;
- ret = ksz9131_of_load_skew_values(phydev, of_node,
- MII_KSZ9031RN_TX_DATA_PAD_SKEW, 4,
- tx_data_skews, 4);
- if (ret < 0)
- return ret;
- return 0;
- }
- #define KSZ8873MLL_GLOBAL_CONTROL_4 0x06
- #define KSZ8873MLL_GLOBAL_CONTROL_4_DUPLEX BIT(6)
- #define KSZ8873MLL_GLOBAL_CONTROL_4_SPEED BIT(4)
- static int ksz8873mll_read_status(struct phy_device *phydev)
- {
- int regval;
- /* dummy read */
- regval = phy_read(phydev, KSZ8873MLL_GLOBAL_CONTROL_4);
- regval = phy_read(phydev, KSZ8873MLL_GLOBAL_CONTROL_4);
- if (regval & KSZ8873MLL_GLOBAL_CONTROL_4_DUPLEX)
- phydev->duplex = DUPLEX_HALF;
- else
- phydev->duplex = DUPLEX_FULL;
- if (regval & KSZ8873MLL_GLOBAL_CONTROL_4_SPEED)
- phydev->speed = SPEED_10;
- else
- phydev->speed = SPEED_100;
- phydev->link = 1;
- phydev->pause = phydev->asym_pause = 0;
- return 0;
- }
- static int ksz9031_get_features(struct phy_device *phydev)
- {
- int ret;
- ret = genphy_read_abilities(phydev);
- if (ret < 0)
- return ret;
- /* Silicon Errata Sheet (DS80000691D or DS80000692D):
- * Whenever the device's Asymmetric Pause capability is set to 1,
- * link-up may fail after a link-up to link-down transition.
- *
- * The Errata Sheet is for ksz9031, but ksz9021 has the same issue
- *
- * Workaround:
- * Do not enable the Asymmetric Pause capability bit.
- */
- linkmode_clear_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, phydev->supported);
- /* We force setting the Pause capability as the core will force the
- * Asymmetric Pause capability to 1 otherwise.
- */
- linkmode_set_bit(ETHTOOL_LINK_MODE_Pause_BIT, phydev->supported);
- return 0;
- }
- static int ksz9031_read_status(struct phy_device *phydev)
- {
- int err;
- int regval;
- err = genphy_read_status(phydev);
- if (err)
- return err;
- /* Make sure the PHY is not broken. Read idle error count,
- * and reset the PHY if it is maxed out.
- */
- regval = phy_read(phydev, MII_STAT1000);
- if ((regval & 0xFF) == 0xFF) {
- phy_init_hw(phydev);
- phydev->link = 0;
- if (phydev->drv->config_intr && phy_interrupt_is_valid(phydev))
- phydev->drv->config_intr(phydev);
- return genphy_config_aneg(phydev);
- }
- return 0;
- }
- static int ksz8873mll_config_aneg(struct phy_device *phydev)
- {
- return 0;
- }
- static int kszphy_get_sset_count(struct phy_device *phydev)
- {
- return ARRAY_SIZE(kszphy_hw_stats);
- }
- static void kszphy_get_strings(struct phy_device *phydev, u8 *data)
- {
- int i;
- for (i = 0; i < ARRAY_SIZE(kszphy_hw_stats); i++) {
- strlcpy(data + i * ETH_GSTRING_LEN,
- kszphy_hw_stats[i].string, ETH_GSTRING_LEN);
- }
- }
- static u64 kszphy_get_stat(struct phy_device *phydev, int i)
- {
- struct kszphy_hw_stat stat = kszphy_hw_stats[i];
- struct kszphy_priv *priv = phydev->priv;
- int val;
- u64 ret;
- val = phy_read(phydev, stat.reg);
- if (val < 0) {
- ret = U64_MAX;
- } else {
- val = val & ((1 << stat.bits) - 1);
- priv->stats[i] += val;
- ret = priv->stats[i];
- }
- return ret;
- }
- static void kszphy_get_stats(struct phy_device *phydev,
- struct ethtool_stats *stats, u64 *data)
- {
- int i;
- for (i = 0; i < ARRAY_SIZE(kszphy_hw_stats); i++)
- data[i] = kszphy_get_stat(phydev, i);
- }
- static int kszphy_suspend(struct phy_device *phydev)
- {
- /* Disable PHY Interrupts */
- if (phy_interrupt_is_valid(phydev)) {
- phydev->interrupts = PHY_INTERRUPT_DISABLED;
- if (phydev->drv->config_intr)
- phydev->drv->config_intr(phydev);
- }
- return genphy_suspend(phydev);
- }
- static int kszphy_resume(struct phy_device *phydev)
- {
- int ret;
- genphy_resume(phydev);
- /* After switching from power-down to normal mode, an internal global
- * reset is automatically generated. Wait a minimum of 1 ms before
- * read/write access to the PHY registers.
- */
- usleep_range(1000, 2000);
- ret = kszphy_config_reset(phydev);
- if (ret)
- return ret;
- /* Enable PHY Interrupts */
- if (phy_interrupt_is_valid(phydev)) {
- phydev->interrupts = PHY_INTERRUPT_ENABLED;
- if (phydev->drv->config_intr)
- phydev->drv->config_intr(phydev);
- }
- return 0;
- }
- static int kszphy_probe(struct phy_device *phydev)
- {
- const struct kszphy_type *type = phydev->drv->driver_data;
- const struct device_node *np = phydev->mdio.dev.of_node;
- struct kszphy_priv *priv;
- struct clk *clk;
- int ret;
- priv = devm_kzalloc(&phydev->mdio.dev, sizeof(*priv), GFP_KERNEL);
- if (!priv)
- return -ENOMEM;
- phydev->priv = priv;
- priv->type = type;
- if (type->led_mode_reg) {
- ret = of_property_read_u32(np, "micrel,led-mode",
- &priv->led_mode);
- if (ret)
- priv->led_mode = -1;
- if (priv->led_mode > 3) {
- phydev_err(phydev, "invalid led mode: 0x%02x\n",
- priv->led_mode);
- priv->led_mode = -1;
- }
- } else {
- priv->led_mode = -1;
- }
- clk = devm_clk_get(&phydev->mdio.dev, "rmii-ref");
- /* NOTE: clk may be NULL if building without CONFIG_HAVE_CLK */
- if (!IS_ERR_OR_NULL(clk)) {
- unsigned long rate = clk_get_rate(clk);
- bool rmii_ref_clk_sel_25_mhz;
- priv->rmii_ref_clk_sel = type->has_rmii_ref_clk_sel;
- rmii_ref_clk_sel_25_mhz = of_property_read_bool(np,
- "micrel,rmii-reference-clock-select-25-mhz");
- if (rate > 24500000 && rate < 25500000) {
- priv->rmii_ref_clk_sel_val = rmii_ref_clk_sel_25_mhz;
- } else if (rate > 49500000 && rate < 50500000) {
- priv->rmii_ref_clk_sel_val = !rmii_ref_clk_sel_25_mhz;
- } else {
- phydev_err(phydev, "Clock rate out of range: %ld\n",
- rate);
- return -EINVAL;
- }
- }
- if (ksz8041_fiber_mode(phydev))
- phydev->port = PORT_FIBRE;
- /* Support legacy board-file configuration */
- if (phydev->dev_flags & MICREL_PHY_50MHZ_CLK) {
- priv->rmii_ref_clk_sel = true;
- priv->rmii_ref_clk_sel_val = true;
- }
- return 0;
- }
- static struct phy_driver ksphy_driver[] = {
- {
- .phy_id = PHY_ID_KS8737,
- .phy_id_mask = MICREL_PHY_ID_MASK,
- .name = "Micrel KS8737",
- /* PHY_BASIC_FEATURES */
- .driver_data = &ks8737_type,
- .config_init = kszphy_config_init,
- .ack_interrupt = kszphy_ack_interrupt,
- .config_intr = kszphy_config_intr,
- .suspend = genphy_suspend,
- .resume = genphy_resume,
- }, {
- .phy_id = PHY_ID_KSZ8021,
- .phy_id_mask = 0x00ffffff,
- .name = "Micrel KSZ8021 or KSZ8031",
- /* PHY_BASIC_FEATURES */
- .driver_data = &ksz8021_type,
- .probe = kszphy_probe,
- .config_init = kszphy_config_init,
- .ack_interrupt = kszphy_ack_interrupt,
- .config_intr = kszphy_config_intr,
- .get_sset_count = kszphy_get_sset_count,
- .get_strings = kszphy_get_strings,
- .get_stats = kszphy_get_stats,
- .suspend = genphy_suspend,
- .resume = genphy_resume,
- }, {
- .phy_id = PHY_ID_KSZ8031,
- .phy_id_mask = 0x00ffffff,
- .name = "Micrel KSZ8031",
- /* PHY_BASIC_FEATURES */
- .driver_data = &ksz8021_type,
- .probe = kszphy_probe,
- .config_init = kszphy_config_init,
- .ack_interrupt = kszphy_ack_interrupt,
- .config_intr = kszphy_config_intr,
- .get_sset_count = kszphy_get_sset_count,
- .get_strings = kszphy_get_strings,
- .get_stats = kszphy_get_stats,
- .suspend = genphy_suspend,
- .resume = genphy_resume,
- }, {
- .phy_id = PHY_ID_KSZ8041,
- .phy_id_mask = MICREL_PHY_ID_MASK,
- .name = "Micrel KSZ8041",
- /* PHY_BASIC_FEATURES */
- .driver_data = &ksz8041_type,
- .probe = kszphy_probe,
- .config_init = ksz8041_config_init,
- .config_aneg = ksz8041_config_aneg,
- .ack_interrupt = kszphy_ack_interrupt,
- .config_intr = kszphy_config_intr,
- .get_sset_count = kszphy_get_sset_count,
- .get_strings = kszphy_get_strings,
- .get_stats = kszphy_get_stats,
- /* No suspend/resume callbacks because of errata DS80000700A,
- * receiver error following software power down.
- */
- }, {
- .phy_id = PHY_ID_KSZ8041RNLI,
- .phy_id_mask = MICREL_PHY_ID_MASK,
- .name = "Micrel KSZ8041RNLI",
- /* PHY_BASIC_FEATURES */
- .driver_data = &ksz8041_type,
- .probe = kszphy_probe,
- .config_init = kszphy_config_init,
- .ack_interrupt = kszphy_ack_interrupt,
- .config_intr = kszphy_config_intr,
- .get_sset_count = kszphy_get_sset_count,
- .get_strings = kszphy_get_strings,
- .get_stats = kszphy_get_stats,
- .suspend = genphy_suspend,
- .resume = genphy_resume,
- }, {
- .name = "Micrel KSZ8051",
- /* PHY_BASIC_FEATURES */
- .driver_data = &ksz8051_type,
- .probe = kszphy_probe,
- .config_init = kszphy_config_init,
- .ack_interrupt = kszphy_ack_interrupt,
- .config_intr = kszphy_config_intr,
- .get_sset_count = kszphy_get_sset_count,
- .get_strings = kszphy_get_strings,
- .get_stats = kszphy_get_stats,
- .match_phy_device = ksz8051_match_phy_device,
- .suspend = genphy_suspend,
- .resume = genphy_resume,
- }, {
- .phy_id = PHY_ID_KSZ8001,
- .name = "Micrel KSZ8001 or KS8721",
- .phy_id_mask = 0x00fffffc,
- /* PHY_BASIC_FEATURES */
- .driver_data = &ksz8041_type,
- .probe = kszphy_probe,
- .config_init = kszphy_config_init,
- .ack_interrupt = kszphy_ack_interrupt,
- .config_intr = kszphy_config_intr,
- .get_sset_count = kszphy_get_sset_count,
- .get_strings = kszphy_get_strings,
- .get_stats = kszphy_get_stats,
- .suspend = genphy_suspend,
- .resume = genphy_resume,
- }, {
- .phy_id = PHY_ID_KSZ8081,
- .name = "Micrel KSZ8081 or KSZ8091",
- .phy_id_mask = MICREL_PHY_ID_MASK,
- /* PHY_BASIC_FEATURES */
- .driver_data = &ksz8081_type,
- .probe = kszphy_probe,
- .config_init = ksz8081_config_init,
- .ack_interrupt = kszphy_ack_interrupt,
- .soft_reset = genphy_soft_reset,
- .config_intr = kszphy_config_intr,
- .get_sset_count = kszphy_get_sset_count,
- .get_strings = kszphy_get_strings,
- .get_stats = kszphy_get_stats,
- .suspend = kszphy_suspend,
- .resume = kszphy_resume,
- }, {
- .phy_id = PHY_ID_KSZ8061,
- .name = "Micrel KSZ8061",
- .phy_id_mask = MICREL_PHY_ID_MASK,
- /* PHY_BASIC_FEATURES */
- .config_init = ksz8061_config_init,
- .ack_interrupt = kszphy_ack_interrupt,
- .config_intr = kszphy_config_intr,
- .suspend = genphy_suspend,
- .resume = genphy_resume,
- }, {
- .phy_id = PHY_ID_KSZ9021,
- .phy_id_mask = 0x000ffffe,
- .name = "Micrel KSZ9021 Gigabit PHY",
- /* PHY_GBIT_FEATURES */
- .driver_data = &ksz9021_type,
- .probe = kszphy_probe,
- .get_features = ksz9031_get_features,
- .config_init = ksz9021_config_init,
- .ack_interrupt = kszphy_ack_interrupt,
- .config_intr = kszphy_config_intr,
- .get_sset_count = kszphy_get_sset_count,
- .get_strings = kszphy_get_strings,
- .get_stats = kszphy_get_stats,
- .suspend = genphy_suspend,
- .resume = genphy_resume,
- .read_mmd = genphy_read_mmd_unsupported,
- .write_mmd = genphy_write_mmd_unsupported,
- }, {
- .phy_id = PHY_ID_KSZ9031,
- .phy_id_mask = MICREL_PHY_ID_MASK,
- .name = "Micrel KSZ9031 Gigabit PHY",
- .driver_data = &ksz9021_type,
- .probe = kszphy_probe,
- .get_features = ksz9031_get_features,
- .config_init = ksz9031_config_init,
- .soft_reset = genphy_soft_reset,
- .read_status = ksz9031_read_status,
- .ack_interrupt = kszphy_ack_interrupt,
- .config_intr = kszphy_config_intr,
- .get_sset_count = kszphy_get_sset_count,
- .get_strings = kszphy_get_strings,
- .get_stats = kszphy_get_stats,
- .suspend = genphy_suspend,
- .resume = kszphy_resume,
- }, {
- .phy_id = PHY_ID_LAN8814,
- .phy_id_mask = MICREL_PHY_ID_MASK,
- .name = "Microchip INDY Gigabit Quad PHY",
- .driver_data = &ksz9021_type,
- .probe = kszphy_probe,
- .soft_reset = genphy_soft_reset,
- .read_status = ksz9031_read_status,
- .get_sset_count = kszphy_get_sset_count,
- .get_strings = kszphy_get_strings,
- .get_stats = kszphy_get_stats,
- .suspend = genphy_suspend,
- .resume = kszphy_resume,
- }, {
- .phy_id = PHY_ID_KSZ9131,
- .phy_id_mask = MICREL_PHY_ID_MASK,
- .name = "Microchip KSZ9131 Gigabit PHY",
- /* PHY_GBIT_FEATURES */
- .driver_data = &ksz9021_type,
- .probe = kszphy_probe,
- .config_init = ksz9131_config_init,
- .read_status = genphy_read_status,
- .ack_interrupt = kszphy_ack_interrupt,
- .config_intr = kszphy_config_intr,
- .get_sset_count = kszphy_get_sset_count,
- .get_strings = kszphy_get_strings,
- .get_stats = kszphy_get_stats,
- .suspend = genphy_suspend,
- .resume = kszphy_resume,
- }, {
- .phy_id = PHY_ID_KSZ8873MLL,
- .phy_id_mask = MICREL_PHY_ID_MASK,
- .name = "Micrel KSZ8873MLL Switch",
- /* PHY_BASIC_FEATURES */
- .config_init = kszphy_config_init,
- .config_aneg = ksz8873mll_config_aneg,
- .read_status = ksz8873mll_read_status,
- .suspend = genphy_suspend,
- .resume = genphy_resume,
- }, {
- .phy_id = PHY_ID_KSZ886X,
- .phy_id_mask = MICREL_PHY_ID_MASK,
- .name = "Micrel KSZ886X Switch",
- /* PHY_BASIC_FEATURES */
- .config_init = kszphy_config_init,
- .suspend = genphy_suspend,
- .resume = genphy_resume,
- }, {
- .name = "Micrel KSZ87XX Switch",
- /* PHY_BASIC_FEATURES */
- .config_init = kszphy_config_init,
- .match_phy_device = ksz8795_match_phy_device,
- .suspend = genphy_suspend,
- .resume = genphy_resume,
- }, {
- .phy_id = PHY_ID_KSZ9477,
- .phy_id_mask = MICREL_PHY_ID_MASK,
- .name = "Microchip KSZ9477",
- /* PHY_GBIT_FEATURES */
- .config_init = kszphy_config_init,
- .suspend = genphy_suspend,
- .resume = genphy_resume,
- } };
- module_phy_driver(ksphy_driver);
- MODULE_DESCRIPTION("Micrel PHY driver");
- MODULE_AUTHOR("David J. Choi");
- MODULE_LICENSE("GPL");
- static struct mdio_device_id __maybe_unused micrel_tbl[] = {
- { PHY_ID_KSZ9021, 0x000ffffe },
- { PHY_ID_KSZ9031, MICREL_PHY_ID_MASK },
- { PHY_ID_KSZ9131, MICREL_PHY_ID_MASK },
- { PHY_ID_KSZ8001, 0x00fffffc },
- { PHY_ID_KS8737, MICREL_PHY_ID_MASK },
- { PHY_ID_KSZ8021, 0x00ffffff },
- { PHY_ID_KSZ8031, 0x00ffffff },
- { PHY_ID_KSZ8041, MICREL_PHY_ID_MASK },
- { PHY_ID_KSZ8051, MICREL_PHY_ID_MASK },
- { PHY_ID_KSZ8061, MICREL_PHY_ID_MASK },
- { PHY_ID_KSZ8081, MICREL_PHY_ID_MASK },
- { PHY_ID_KSZ8873MLL, MICREL_PHY_ID_MASK },
- { PHY_ID_KSZ886X, MICREL_PHY_ID_MASK },
- { PHY_ID_LAN8814, MICREL_PHY_ID_MASK },
- { }
- };
- MODULE_DEVICE_TABLE(mdio, micrel_tbl);
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