Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / net / phy / micrel.c
diff --git a/kernel/drivers/net/phy/micrel.c b/kernel/drivers/net/phy/micrel.c
new file mode 100644 (file)
index 0000000..ebdc357
--- /dev/null
@@ -0,0 +1,806 @@
+/*
+ * 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>
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ *
+ * Support : Micrel Phys:
+ *             Giga phys: ksz9021, ksz9031
+ *             100/10 Phys : ksz8001, ksz8721, ksz8737, ksz8041
+ *                        ksz8021, ksz8031, ksz8051,
+ *                        ksz8081, ksz8091,
+ *                        ksz8061,
+ *             Switch : ksz8873, ksz886x
+ */
+
+#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>
+
+/* Operation Mode Strap Override */
+#define MII_KSZPHY_OMSO                                0x16
+#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_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;
+};
+
+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)
+               dev_err(&phydev->dev, "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)
+               dev_err(&phydev->dev, "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)
+               dev_err(&phydev->dev, "failed to disable NAND tree mode\n");
+
+       return ret;
+}
+
+static int kszphy_config_init(struct phy_device *phydev)
+{
+       struct kszphy_priv *priv = phydev->priv;
+       const struct kszphy_type *type;
+       int ret;
+
+       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);
+
+       if (priv->rmii_ref_clk_sel) {
+               ret = kszphy_rmii_clk_sel(phydev, priv->rmii_ref_clk_sel_val);
+               if (ret) {
+                       dev_err(&phydev->dev, "failed to set rmii reference clock\n");
+                       return ret;
+               }
+       }
+
+       if (priv->led_mode >= 0)
+               kszphy_setup_led(phydev, type->led_mode_reg, priv->led_mode);
+
+       return 0;
+}
+
+static int ksz9021_load_values_from_of(struct phy_device *phydev,
+                                      struct device_node *of_node, u16 reg,
+                                      char *field1, char *field2,
+                                      char *field3, 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)
+{
+       struct device *dev = &phydev->dev;
+       struct device_node *of_node = dev->of_node;
+
+       if (!of_node && dev->parent->of_node)
+               of_node = dev->parent->of_node;
+
+       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 MII_KSZ9031RN_MMD_CTRL_REG     0x0d
+#define MII_KSZ9031RN_MMD_REGDATA_REG  0x0e
+#define OP_DATA                                1
+#define KSZ9031_PS_TO_REG              60
+
+/* Extended registers */
+#define MII_KSZ9031RN_CONTROL_PAD_SKEW 4
+#define MII_KSZ9031RN_RX_DATA_PAD_SKEW 5
+#define MII_KSZ9031RN_TX_DATA_PAD_SKEW 6
+#define MII_KSZ9031RN_CLK_PAD_SKEW     8
+
+static int ksz9031_extended_write(struct phy_device *phydev,
+                                 u8 mode, u32 dev_addr, u32 regnum, u16 val)
+{
+       phy_write(phydev, MII_KSZ9031RN_MMD_CTRL_REG, dev_addr);
+       phy_write(phydev, MII_KSZ9031RN_MMD_REGDATA_REG, regnum);
+       phy_write(phydev, MII_KSZ9031RN_MMD_CTRL_REG, (mode << 14) | dev_addr);
+       return phy_write(phydev, MII_KSZ9031RN_MMD_REGDATA_REG, val);
+}
+
+static int ksz9031_extended_read(struct phy_device *phydev,
+                                u8 mode, u32 dev_addr, u32 regnum)
+{
+       phy_write(phydev, MII_KSZ9031RN_MMD_CTRL_REG, dev_addr);
+       phy_write(phydev, MII_KSZ9031RN_MMD_REGDATA_REG, regnum);
+       phy_write(phydev, MII_KSZ9031RN_MMD_CTRL_REG, (mode << 14) | dev_addr);
+       return phy_read(phydev, MII_KSZ9031RN_MMD_REGDATA_REG);
+}
+
+static int ksz9031_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, -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;
+
+       if (matches < numfields)
+               newval = ksz9031_extended_read(phydev, OP_DATA, 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 ksz9031_extended_write(phydev, OP_DATA, 2, reg, newval);
+}
+
+static int ksz9031_config_init(struct phy_device *phydev)
+{
+       struct device *dev = &phydev->dev;
+       struct device_node *of_node = dev->of_node;
+       char *clk_skews[2] = {"rxc-skew-ps", "txc-skew-ps"};
+       char *rx_data_skews[4] = {
+               "rxd0-skew-ps", "rxd1-skew-ps",
+               "rxd2-skew-ps", "rxd3-skew-ps"
+       };
+       char *tx_data_skews[4] = {
+               "txd0-skew-ps", "txd1-skew-ps",
+               "txd2-skew-ps", "txd3-skew-ps"
+       };
+       char *control_skews[2] = {"txen-skew-ps", "rxdv-skew-ps"};
+
+       if (!of_node && dev->parent->of_node)
+               of_node = dev->parent->of_node;
+
+       if (of_node) {
+               ksz9031_of_load_skew_values(phydev, of_node,
+                               MII_KSZ9031RN_CLK_PAD_SKEW, 5,
+                               clk_skews, 2);
+
+               ksz9031_of_load_skew_values(phydev, of_node,
+                               MII_KSZ9031RN_CONTROL_PAD_SKEW, 4,
+                               control_skews, 2);
+
+               ksz9031_of_load_skew_values(phydev, of_node,
+                               MII_KSZ9031RN_RX_DATA_PAD_SKEW, 4,
+                               rx_data_skews, 4);
+
+               ksz9031_of_load_skew_values(phydev, of_node,
+                               MII_KSZ9031RN_TX_DATA_PAD_SKEW, 4,
+                               tx_data_skews, 4);
+       }
+       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 ksz8873mll_config_aneg(struct phy_device *phydev)
+{
+       return 0;
+}
+
+/* This routine returns -1 as an indication to the caller that the
+ * Micrel ksz9021 10/100/1000 PHY does not support standard IEEE
+ * MMD extended PHY registers.
+ */
+static int
+ksz9021_rd_mmd_phyreg(struct phy_device *phydev, int ptrad, int devnum,
+                     int regnum)
+{
+       return -1;
+}
+
+/* This routine does nothing since the Micrel ksz9021 does not support
+ * standard IEEE MMD extended PHY registers.
+ */
+static void
+ksz9021_wr_mmd_phyreg(struct phy_device *phydev, int ptrad, int devnum,
+                     int regnum, u32 val)
+{
+}
+
+static int kszphy_probe(struct phy_device *phydev)
+{
+       const struct kszphy_type *type = phydev->drv->driver_data;
+       struct device_node *np = phydev->dev.of_node;
+       struct kszphy_priv *priv;
+       struct clk *clk;
+       int ret;
+
+       priv = devm_kzalloc(&phydev->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) {
+                       dev_err(&phydev->dev, "invalid led mode: 0x%02x\n",
+                                       priv->led_mode);
+                       priv->led_mode = -1;
+               }
+       } else {
+               priv->led_mode = -1;
+       }
+
+       clk = devm_clk_get(&phydev->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 {
+                       dev_err(&phydev->dev, "Clock rate out of range: %ld\n", rate);
+                       return -EINVAL;
+               }
+       }
+
+       /* 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    = 0x00fffff0,
+       .name           = "Micrel KS8737",
+       .features       = (PHY_BASIC_FEATURES | SUPPORTED_Pause),
+       .flags          = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
+       .driver_data    = &ks8737_type,
+       .config_init    = kszphy_config_init,
+       .config_aneg    = genphy_config_aneg,
+       .read_status    = genphy_read_status,
+       .ack_interrupt  = kszphy_ack_interrupt,
+       .config_intr    = kszphy_config_intr,
+       .suspend        = genphy_suspend,
+       .resume         = genphy_resume,
+       .driver         = { .owner = THIS_MODULE,},
+}, {
+       .phy_id         = PHY_ID_KSZ8021,
+       .phy_id_mask    = 0x00ffffff,
+       .name           = "Micrel KSZ8021 or KSZ8031",
+       .features       = (PHY_BASIC_FEATURES | SUPPORTED_Pause |
+                          SUPPORTED_Asym_Pause),
+       .flags          = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
+       .driver_data    = &ksz8021_type,
+       .probe          = kszphy_probe,
+       .config_init    = kszphy_config_init,
+       .config_aneg    = genphy_config_aneg,
+       .read_status    = genphy_read_status,
+       .ack_interrupt  = kszphy_ack_interrupt,
+       .config_intr    = kszphy_config_intr,
+       .suspend        = genphy_suspend,
+       .resume         = genphy_resume,
+       .driver         = { .owner = THIS_MODULE,},
+}, {
+       .phy_id         = PHY_ID_KSZ8031,
+       .phy_id_mask    = 0x00ffffff,
+       .name           = "Micrel KSZ8031",
+       .features       = (PHY_BASIC_FEATURES | SUPPORTED_Pause |
+                          SUPPORTED_Asym_Pause),
+       .flags          = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
+       .driver_data    = &ksz8021_type,
+       .probe          = kszphy_probe,
+       .config_init    = kszphy_config_init,
+       .config_aneg    = genphy_config_aneg,
+       .read_status    = genphy_read_status,
+       .ack_interrupt  = kszphy_ack_interrupt,
+       .config_intr    = kszphy_config_intr,
+       .suspend        = genphy_suspend,
+       .resume         = genphy_resume,
+       .driver         = { .owner = THIS_MODULE,},
+}, {
+       .phy_id         = PHY_ID_KSZ8041,
+       .phy_id_mask    = 0x00fffff0,
+       .name           = "Micrel KSZ8041",
+       .features       = (PHY_BASIC_FEATURES | SUPPORTED_Pause
+                               | SUPPORTED_Asym_Pause),
+       .flags          = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
+       .driver_data    = &ksz8041_type,
+       .probe          = kszphy_probe,
+       .config_init    = kszphy_config_init,
+       .config_aneg    = genphy_config_aneg,
+       .read_status    = genphy_read_status,
+       .ack_interrupt  = kszphy_ack_interrupt,
+       .config_intr    = kszphy_config_intr,
+       .suspend        = genphy_suspend,
+       .resume         = genphy_resume,
+       .driver         = { .owner = THIS_MODULE,},
+}, {
+       .phy_id         = PHY_ID_KSZ8041RNLI,
+       .phy_id_mask    = 0x00fffff0,
+       .name           = "Micrel KSZ8041RNLI",
+       .features       = PHY_BASIC_FEATURES |
+                         SUPPORTED_Pause | SUPPORTED_Asym_Pause,
+       .flags          = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
+       .driver_data    = &ksz8041_type,
+       .probe          = kszphy_probe,
+       .config_init    = kszphy_config_init,
+       .config_aneg    = genphy_config_aneg,
+       .read_status    = genphy_read_status,
+       .ack_interrupt  = kszphy_ack_interrupt,
+       .config_intr    = kszphy_config_intr,
+       .suspend        = genphy_suspend,
+       .resume         = genphy_resume,
+       .driver         = { .owner = THIS_MODULE,},
+}, {
+       .phy_id         = PHY_ID_KSZ8051,
+       .phy_id_mask    = 0x00fffff0,
+       .name           = "Micrel KSZ8051",
+       .features       = (PHY_BASIC_FEATURES | SUPPORTED_Pause
+                               | SUPPORTED_Asym_Pause),
+       .flags          = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
+       .driver_data    = &ksz8051_type,
+       .probe          = kszphy_probe,
+       .config_init    = kszphy_config_init,
+       .config_aneg    = genphy_config_aneg,
+       .read_status    = genphy_read_status,
+       .ack_interrupt  = kszphy_ack_interrupt,
+       .config_intr    = kszphy_config_intr,
+       .suspend        = genphy_suspend,
+       .resume         = genphy_resume,
+       .driver         = { .owner = THIS_MODULE,},
+}, {
+       .phy_id         = PHY_ID_KSZ8001,
+       .name           = "Micrel KSZ8001 or KS8721",
+       .phy_id_mask    = 0x00ffffff,
+       .features       = (PHY_BASIC_FEATURES | SUPPORTED_Pause),
+       .flags          = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
+       .driver_data    = &ksz8041_type,
+       .probe          = kszphy_probe,
+       .config_init    = kszphy_config_init,
+       .config_aneg    = genphy_config_aneg,
+       .read_status    = genphy_read_status,
+       .ack_interrupt  = kszphy_ack_interrupt,
+       .config_intr    = kszphy_config_intr,
+       .suspend        = genphy_suspend,
+       .resume         = genphy_resume,
+       .driver         = { .owner = THIS_MODULE,},
+}, {
+       .phy_id         = PHY_ID_KSZ8081,
+       .name           = "Micrel KSZ8081 or KSZ8091",
+       .phy_id_mask    = 0x00fffff0,
+       .features       = (PHY_BASIC_FEATURES | SUPPORTED_Pause),
+       .flags          = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
+       .driver_data    = &ksz8081_type,
+       .probe          = kszphy_probe,
+       .config_init    = kszphy_config_init,
+       .config_aneg    = genphy_config_aneg,
+       .read_status    = genphy_read_status,
+       .ack_interrupt  = kszphy_ack_interrupt,
+       .config_intr    = kszphy_config_intr,
+       .suspend        = genphy_suspend,
+       .resume         = genphy_resume,
+       .driver         = { .owner = THIS_MODULE,},
+}, {
+       .phy_id         = PHY_ID_KSZ8061,
+       .name           = "Micrel KSZ8061",
+       .phy_id_mask    = 0x00fffff0,
+       .features       = (PHY_BASIC_FEATURES | SUPPORTED_Pause),
+       .flags          = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
+       .config_init    = kszphy_config_init,
+       .config_aneg    = genphy_config_aneg,
+       .read_status    = genphy_read_status,
+       .ack_interrupt  = kszphy_ack_interrupt,
+       .config_intr    = kszphy_config_intr,
+       .suspend        = genphy_suspend,
+       .resume         = genphy_resume,
+       .driver         = { .owner = THIS_MODULE,},
+}, {
+       .phy_id         = PHY_ID_KSZ9021,
+       .phy_id_mask    = 0x000ffffe,
+       .name           = "Micrel KSZ9021 Gigabit PHY",
+       .features       = (PHY_GBIT_FEATURES | SUPPORTED_Pause),
+       .flags          = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
+       .driver_data    = &ksz9021_type,
+       .config_init    = ksz9021_config_init,
+       .config_aneg    = genphy_config_aneg,
+       .read_status    = genphy_read_status,
+       .ack_interrupt  = kszphy_ack_interrupt,
+       .config_intr    = kszphy_config_intr,
+       .suspend        = genphy_suspend,
+       .resume         = genphy_resume,
+       .read_mmd_indirect = ksz9021_rd_mmd_phyreg,
+       .write_mmd_indirect = ksz9021_wr_mmd_phyreg,
+       .driver         = { .owner = THIS_MODULE, },
+}, {
+       .phy_id         = PHY_ID_KSZ9031,
+       .phy_id_mask    = 0x00fffff0,
+       .name           = "Micrel KSZ9031 Gigabit PHY",
+       .features       = (PHY_GBIT_FEATURES | SUPPORTED_Pause),
+       .flags          = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
+       .driver_data    = &ksz9021_type,
+       .config_init    = ksz9031_config_init,
+       .config_aneg    = genphy_config_aneg,
+       .read_status    = genphy_read_status,
+       .ack_interrupt  = kszphy_ack_interrupt,
+       .config_intr    = kszphy_config_intr,
+       .suspend        = genphy_suspend,
+       .resume         = genphy_resume,
+       .driver         = { .owner = THIS_MODULE, },
+}, {
+       .phy_id         = PHY_ID_KSZ8873MLL,
+       .phy_id_mask    = 0x00fffff0,
+       .name           = "Micrel KSZ8873MLL Switch",
+       .features       = (SUPPORTED_Pause | SUPPORTED_Asym_Pause),
+       .flags          = PHY_HAS_MAGICANEG,
+       .config_init    = kszphy_config_init,
+       .config_aneg    = ksz8873mll_config_aneg,
+       .read_status    = ksz8873mll_read_status,
+       .suspend        = genphy_suspend,
+       .resume         = genphy_resume,
+       .driver         = { .owner = THIS_MODULE, },
+}, {
+       .phy_id         = PHY_ID_KSZ886X,
+       .phy_id_mask    = 0x00fffff0,
+       .name           = "Micrel KSZ886X Switch",
+       .features       = (PHY_BASIC_FEATURES | SUPPORTED_Pause),
+       .flags          = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
+       .config_init    = kszphy_config_init,
+       .config_aneg    = genphy_config_aneg,
+       .read_status    = genphy_read_status,
+       .suspend        = genphy_suspend,
+       .resume         = genphy_resume,
+       .driver         = { .owner = THIS_MODULE, },
+} };
+
+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, 0x00fffff0 },
+       { PHY_ID_KSZ8001, 0x00ffffff },
+       { PHY_ID_KS8737, 0x00fffff0 },
+       { PHY_ID_KSZ8021, 0x00ffffff },
+       { PHY_ID_KSZ8031, 0x00ffffff },
+       { PHY_ID_KSZ8041, 0x00fffff0 },
+       { PHY_ID_KSZ8051, 0x00fffff0 },
+       { PHY_ID_KSZ8061, 0x00fffff0 },
+       { PHY_ID_KSZ8081, 0x00fffff0 },
+       { PHY_ID_KSZ8873MLL, 0x00fffff0 },
+       { PHY_ID_KSZ886X, 0x00fffff0 },
+       { }
+};
+
+MODULE_DEVICE_TABLE(mdio, micrel_tbl);