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- // SPDX-License-Identifier: GPL-2.0
- /* Driver for the Texas Instruments DP83822, DP83825 and DP83826 PHYs.
- *
- * Copyright (C) 2017 Texas Instruments Inc.
- */
- #include <linux/ethtool.h>
- #include <linux/etherdevice.h>
- #include <linux/kernel.h>
- #include <linux/mii.h>
- #include <linux/module.h>
- #include <linux/of.h>
- #include <linux/phy.h>
- #include <linux/phy_port.h>
- #include <linux/netdevice.h>
- #include <linux/bitfield.h>
- #define DP83822_PHY_ID 0x2000a240
- #define DP83825S_PHY_ID 0x2000a140
- #define DP83825I_PHY_ID 0x2000a150
- #define DP83825CM_PHY_ID 0x2000a160
- #define DP83825CS_PHY_ID 0x2000a170
- #define DP83826C_PHY_ID 0x2000a130
- #define DP83826NC_PHY_ID 0x2000a110
- #define MII_DP83822_CTRL_2 0x0a
- #define MII_DP83822_PHYSTS 0x10
- #define MII_DP83822_PHYSCR 0x11
- #define MII_DP83822_MISR1 0x12
- #define MII_DP83822_MISR2 0x13
- #define MII_DP83822_FCSCR 0x14
- #define MII_DP83822_RCSR 0x17
- #define MII_DP83822_RESET_CTRL 0x1f
- #define MII_DP83822_MLEDCR 0x25
- #define MII_DP83822_LDCTRL 0x403
- #define MII_DP83822_LEDCFG1 0x460
- #define MII_DP83822_IOCTRL 0x461
- #define MII_DP83822_IOCTRL1 0x462
- #define MII_DP83822_IOCTRL2 0x463
- #define MII_DP83822_GENCFG 0x465
- #define MII_DP83822_SOR1 0x467
- /* DP83826 specific registers */
- #define MII_DP83826_VOD_CFG1 0x30b
- #define MII_DP83826_VOD_CFG2 0x30c
- /* GENCFG */
- #define DP83822_SIG_DET_LOW BIT(0)
- /* Control Register 2 bits */
- #define DP83822_FX_ENABLE BIT(14)
- #define DP83822_SW_RESET BIT(15)
- #define DP83822_DIG_RESTART BIT(14)
- /* PHY STS bits */
- #define DP83822_PHYSTS_DUPLEX BIT(2)
- #define DP83822_PHYSTS_10 BIT(1)
- #define DP83822_PHYSTS_LINK BIT(0)
- /* PHYSCR Register Fields */
- #define DP83822_PHYSCR_INT_OE BIT(0) /* Interrupt Output Enable */
- #define DP83822_PHYSCR_INTEN BIT(1) /* Interrupt Enable */
- /* MISR1 bits */
- #define DP83822_RX_ERR_HF_INT_EN BIT(0)
- #define DP83822_FALSE_CARRIER_HF_INT_EN BIT(1)
- #define DP83822_ANEG_COMPLETE_INT_EN BIT(2)
- #define DP83822_DUP_MODE_CHANGE_INT_EN BIT(3)
- #define DP83822_SPEED_CHANGED_INT_EN BIT(4)
- #define DP83822_LINK_STAT_INT_EN BIT(5)
- #define DP83822_ENERGY_DET_INT_EN BIT(6)
- #define DP83822_LINK_QUAL_INT_EN BIT(7)
- /* MISR2 bits */
- #define DP83822_JABBER_DET_INT_EN BIT(0)
- #define DP83822_WOL_PKT_INT_EN BIT(1)
- #define DP83822_SLEEP_MODE_INT_EN BIT(2)
- #define DP83822_MDI_XOVER_INT_EN BIT(3)
- #define DP83822_LB_FIFO_INT_EN BIT(4)
- #define DP83822_PAGE_RX_INT_EN BIT(5)
- #define DP83822_ANEG_ERR_INT_EN BIT(6)
- #define DP83822_EEE_ERROR_CHANGE_INT_EN BIT(7)
- /* INT_STAT1 bits */
- #define DP83822_WOL_INT_EN BIT(4)
- #define DP83822_WOL_INT_STAT BIT(12)
- #define MII_DP83822_RXSOP1 0x04a5
- #define MII_DP83822_RXSOP2 0x04a6
- #define MII_DP83822_RXSOP3 0x04a7
- /* WoL Registers */
- #define MII_DP83822_WOL_CFG 0x04a0
- #define MII_DP83822_WOL_STAT 0x04a1
- #define MII_DP83822_WOL_DA1 0x04a2
- #define MII_DP83822_WOL_DA2 0x04a3
- #define MII_DP83822_WOL_DA3 0x04a4
- /* WoL bits */
- #define DP83822_WOL_MAGIC_EN BIT(0)
- #define DP83822_WOL_SECURE_ON BIT(5)
- #define DP83822_WOL_EN BIT(7)
- #define DP83822_WOL_INDICATION_SEL BIT(8)
- #define DP83822_WOL_CLR_INDICATION BIT(11)
- /* RCSR bits */
- #define DP83822_RMII_MODE_EN BIT(5)
- #define DP83822_RMII_MODE_SEL BIT(7)
- #define DP83822_RGMII_MODE_EN BIT(9)
- #define DP83822_RX_CLK_SHIFT BIT(12)
- #define DP83822_TX_CLK_SHIFT BIT(11)
- /* MLEDCR bits */
- #define DP83822_MLEDCR_CFG GENMASK(6, 3)
- #define DP83822_MLEDCR_ROUTE GENMASK(1, 0)
- #define DP83822_MLEDCR_ROUTE_LED_0 DP83822_MLEDCR_ROUTE
- /* LEDCFG1 bits */
- #define DP83822_LEDCFG1_LED1_CTRL GENMASK(11, 8)
- #define DP83822_LEDCFG1_LED3_CTRL GENMASK(7, 4)
- /* IOCTRL bits */
- #define DP83822_IOCTRL_MAC_IMPEDANCE_CTRL GENMASK(4, 1)
- /* IOCTRL1 bits */
- #define DP83822_IOCTRL1_GPIO3_CTRL GENMASK(10, 8)
- #define DP83822_IOCTRL1_GPIO3_CTRL_LED3 BIT(0)
- #define DP83822_IOCTRL1_GPIO1_CTRL GENMASK(2, 0)
- #define DP83822_IOCTRL1_GPIO1_CTRL_LED_1 BIT(0)
- /* LDCTRL bits */
- #define DP83822_100BASE_TX_LINE_DRIVER_SWING GENMASK(7, 4)
- /* IOCTRL2 bits */
- #define DP83822_IOCTRL2_GPIO2_CLK_SRC GENMASK(6, 4)
- #define DP83822_IOCTRL2_GPIO2_CTRL GENMASK(2, 0)
- #define DP83822_IOCTRL2_GPIO2_CTRL_CLK_REF GENMASK(1, 0)
- #define DP83822_IOCTRL2_GPIO2_CTRL_MLED BIT(0)
- #define DP83822_CLK_SRC_MAC_IF 0x0
- #define DP83822_CLK_SRC_XI 0x1
- #define DP83822_CLK_SRC_INT_REF 0x2
- #define DP83822_CLK_SRC_RMII_MASTER_MODE_REF 0x4
- #define DP83822_CLK_SRC_FREE_RUNNING 0x6
- #define DP83822_CLK_SRC_RECOVERED 0x7
- #define DP83822_LED_FN_LINK 0x0 /* Link established */
- #define DP83822_LED_FN_RX_TX 0x1 /* Receive or Transmit activity */
- #define DP83822_LED_FN_TX 0x2 /* Transmit activity */
- #define DP83822_LED_FN_RX 0x3 /* Receive activity */
- #define DP83822_LED_FN_COLLISION 0x4 /* Collision detected */
- #define DP83822_LED_FN_LINK_100_BTX 0x5 /* 100 BTX link established */
- #define DP83822_LED_FN_LINK_10_BT 0x6 /* 10BT link established */
- #define DP83822_LED_FN_FULL_DUPLEX 0x7 /* Full duplex */
- #define DP83822_LED_FN_LINK_RX_TX 0x8 /* Link established, blink for rx or tx activity */
- #define DP83822_LED_FN_ACTIVE_STRETCH 0x9 /* Active Stretch Signal */
- #define DP83822_LED_FN_MII_LINK 0xa /* MII LINK (100BT+FD) */
- #define DP83822_LED_FN_LPI_MODE 0xb /* LPI Mode (EEE) */
- #define DP83822_LED_FN_RX_TX_ERR 0xc /* TX/RX MII Error */
- #define DP83822_LED_FN_LINK_LOST 0xd /* Link Lost */
- #define DP83822_LED_FN_PRBS_ERR 0xe /* Blink for PRBS error */
- /* SOR1 mode */
- #define DP83822_STRAP_MODE1 0
- #define DP83822_STRAP_MODE2 BIT(0)
- #define DP83822_STRAP_MODE3 BIT(1)
- #define DP83822_STRAP_MODE4 GENMASK(1, 0)
- #define DP83822_COL_STRAP_MASK GENMASK(11, 10)
- #define DP83822_COL_SHIFT 10
- #define DP83822_RX_ER_STR_MASK GENMASK(9, 8)
- #define DP83822_RX_ER_SHIFT 8
- /* DP83826: VOD_CFG1 & VOD_CFG2 */
- #define DP83826_VOD_CFG1_MINUS_MDIX_MASK GENMASK(13, 12)
- #define DP83826_VOD_CFG1_MINUS_MDI_MASK GENMASK(11, 6)
- #define DP83826_VOD_CFG2_MINUS_MDIX_MASK GENMASK(15, 12)
- #define DP83826_VOD_CFG2_PLUS_MDIX_MASK GENMASK(11, 6)
- #define DP83826_VOD_CFG2_PLUS_MDI_MASK GENMASK(5, 0)
- #define DP83826_CFG_DAC_MINUS_MDIX_5_TO_4 GENMASK(5, 4)
- #define DP83826_CFG_DAC_MINUS_MDIX_3_TO_0 GENMASK(3, 0)
- #define DP83826_CFG_DAC_PERCENT_PER_STEP 625
- #define DP83826_CFG_DAC_PERCENT_DEFAULT 10000
- #define DP83826_CFG_DAC_MINUS_DEFAULT 0x30
- #define DP83826_CFG_DAC_PLUS_DEFAULT 0x10
- #define MII_DP83822_FIBER_ADVERTISE (ADVERTISED_TP | ADVERTISED_MII | \
- ADVERTISED_FIBRE | \
- ADVERTISED_Pause | ADVERTISED_Asym_Pause)
- #define DP83822_MAX_LED_PINS 4
- #define DP83822_LED_INDEX_LED_0 0
- #define DP83822_LED_INDEX_LED_1_GPIO1 1
- #define DP83822_LED_INDEX_COL_GPIO2 2
- #define DP83822_LED_INDEX_RX_D3_GPIO3 3
- struct dp83822_private {
- bool fx_signal_det_low;
- int fx_enabled;
- u16 fx_sd_enable;
- u8 cfg_dac_minus;
- u8 cfg_dac_plus;
- struct ethtool_wolinfo wol;
- bool set_gpio2_clk_out;
- u32 gpio2_clk_out;
- bool led_pin_enable[DP83822_MAX_LED_PINS];
- int tx_amplitude_100base_tx_index;
- int mac_termination_index;
- };
- static int dp83822_config_wol(struct phy_device *phydev,
- struct ethtool_wolinfo *wol)
- {
- struct net_device *ndev = phydev->attached_dev;
- u16 value;
- const u8 *mac;
- if (wol->wolopts & (WAKE_MAGIC | WAKE_MAGICSECURE)) {
- mac = (const u8 *)ndev->dev_addr;
- if (!is_valid_ether_addr(mac))
- return -EINVAL;
- /* MAC addresses start with byte 5, but stored in mac[0].
- * 822 PHYs store bytes 4|5, 2|3, 0|1
- */
- phy_write_mmd(phydev, MDIO_MMD_VEND2, MII_DP83822_WOL_DA1,
- (mac[1] << 8) | mac[0]);
- phy_write_mmd(phydev, MDIO_MMD_VEND2, MII_DP83822_WOL_DA2,
- (mac[3] << 8) | mac[2]);
- phy_write_mmd(phydev, MDIO_MMD_VEND2, MII_DP83822_WOL_DA3,
- (mac[5] << 8) | mac[4]);
- value = phy_read_mmd(phydev, MDIO_MMD_VEND2,
- MII_DP83822_WOL_CFG);
- if (wol->wolopts & WAKE_MAGIC)
- value |= DP83822_WOL_MAGIC_EN;
- else
- value &= ~DP83822_WOL_MAGIC_EN;
- if (wol->wolopts & WAKE_MAGICSECURE) {
- phy_write_mmd(phydev, MDIO_MMD_VEND2,
- MII_DP83822_RXSOP1,
- (wol->sopass[1] << 8) | wol->sopass[0]);
- phy_write_mmd(phydev, MDIO_MMD_VEND2,
- MII_DP83822_RXSOP2,
- (wol->sopass[3] << 8) | wol->sopass[2]);
- phy_write_mmd(phydev, MDIO_MMD_VEND2,
- MII_DP83822_RXSOP3,
- (wol->sopass[5] << 8) | wol->sopass[4]);
- value |= DP83822_WOL_SECURE_ON;
- } else {
- value &= ~DP83822_WOL_SECURE_ON;
- }
- /* Clear any pending WoL interrupt */
- phy_read(phydev, MII_DP83822_MISR2);
- value |= DP83822_WOL_EN | DP83822_WOL_INDICATION_SEL |
- DP83822_WOL_CLR_INDICATION;
- return phy_write_mmd(phydev, MDIO_MMD_VEND2,
- MII_DP83822_WOL_CFG, value);
- } else {
- return phy_clear_bits_mmd(phydev, MDIO_MMD_VEND2,
- MII_DP83822_WOL_CFG,
- DP83822_WOL_EN |
- DP83822_WOL_MAGIC_EN |
- DP83822_WOL_SECURE_ON);
- }
- }
- static int dp83822_set_wol(struct phy_device *phydev,
- struct ethtool_wolinfo *wol)
- {
- struct dp83822_private *dp83822 = phydev->priv;
- int ret;
- ret = dp83822_config_wol(phydev, wol);
- if (!ret)
- memcpy(&dp83822->wol, wol, sizeof(*wol));
- return ret;
- }
- static void dp83822_get_wol(struct phy_device *phydev,
- struct ethtool_wolinfo *wol)
- {
- int value;
- u16 sopass_val;
- wol->supported = (WAKE_MAGIC | WAKE_MAGICSECURE);
- wol->wolopts = 0;
- value = phy_read_mmd(phydev, MDIO_MMD_VEND2, MII_DP83822_WOL_CFG);
- if (value & DP83822_WOL_MAGIC_EN)
- wol->wolopts |= WAKE_MAGIC;
- if (value & DP83822_WOL_SECURE_ON) {
- sopass_val = phy_read_mmd(phydev, MDIO_MMD_VEND2,
- MII_DP83822_RXSOP1);
- wol->sopass[0] = (sopass_val & 0xff);
- wol->sopass[1] = (sopass_val >> 8);
- sopass_val = phy_read_mmd(phydev, MDIO_MMD_VEND2,
- MII_DP83822_RXSOP2);
- wol->sopass[2] = (sopass_val & 0xff);
- wol->sopass[3] = (sopass_val >> 8);
- sopass_val = phy_read_mmd(phydev, MDIO_MMD_VEND2,
- MII_DP83822_RXSOP3);
- wol->sopass[4] = (sopass_val & 0xff);
- wol->sopass[5] = (sopass_val >> 8);
- wol->wolopts |= WAKE_MAGICSECURE;
- }
- /* WoL is not enabled so set wolopts to 0 */
- if (!(value & DP83822_WOL_EN))
- wol->wolopts = 0;
- }
- static int dp83822_config_intr(struct phy_device *phydev)
- {
- struct dp83822_private *dp83822 = phydev->priv;
- int misr_status;
- int physcr_status;
- int err;
- if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
- misr_status = phy_read(phydev, MII_DP83822_MISR1);
- if (misr_status < 0)
- return misr_status;
- misr_status |= (DP83822_LINK_STAT_INT_EN |
- DP83822_ENERGY_DET_INT_EN |
- DP83822_LINK_QUAL_INT_EN);
- if (!dp83822->fx_enabled)
- misr_status |= DP83822_ANEG_COMPLETE_INT_EN |
- DP83822_DUP_MODE_CHANGE_INT_EN |
- DP83822_SPEED_CHANGED_INT_EN;
- err = phy_write(phydev, MII_DP83822_MISR1, misr_status);
- if (err < 0)
- return err;
- misr_status = phy_read(phydev, MII_DP83822_MISR2);
- if (misr_status < 0)
- return misr_status;
- misr_status |= (DP83822_JABBER_DET_INT_EN |
- DP83822_SLEEP_MODE_INT_EN |
- DP83822_LB_FIFO_INT_EN |
- DP83822_PAGE_RX_INT_EN |
- DP83822_EEE_ERROR_CHANGE_INT_EN);
- if (!dp83822->fx_enabled)
- misr_status |= DP83822_ANEG_ERR_INT_EN |
- DP83822_WOL_PKT_INT_EN;
- err = phy_write(phydev, MII_DP83822_MISR2, misr_status);
- if (err < 0)
- return err;
- physcr_status = phy_read(phydev, MII_DP83822_PHYSCR);
- if (physcr_status < 0)
- return physcr_status;
- physcr_status |= DP83822_PHYSCR_INT_OE | DP83822_PHYSCR_INTEN;
- } else {
- err = phy_write(phydev, MII_DP83822_MISR1, 0);
- if (err < 0)
- return err;
- err = phy_write(phydev, MII_DP83822_MISR2, 0);
- if (err < 0)
- return err;
- physcr_status = phy_read(phydev, MII_DP83822_PHYSCR);
- if (physcr_status < 0)
- return physcr_status;
- physcr_status &= ~DP83822_PHYSCR_INTEN;
- }
- return phy_write(phydev, MII_DP83822_PHYSCR, physcr_status);
- }
- static irqreturn_t dp83822_handle_interrupt(struct phy_device *phydev)
- {
- bool trigger_machine = false;
- int irq_status;
- /* The MISR1 and MISR2 registers are holding the interrupt status in
- * the upper half (15:8), while the lower half (7:0) is used for
- * controlling the interrupt enable state of those individual interrupt
- * sources. To determine the possible interrupt sources, just read the
- * MISR* register and use it directly to know which interrupts have
- * been enabled previously or not.
- */
- irq_status = phy_read(phydev, MII_DP83822_MISR1);
- if (irq_status < 0) {
- phy_error(phydev);
- return IRQ_NONE;
- }
- if (irq_status & ((irq_status & GENMASK(7, 0)) << 8))
- trigger_machine = true;
- irq_status = phy_read(phydev, MII_DP83822_MISR2);
- if (irq_status < 0) {
- phy_error(phydev);
- return IRQ_NONE;
- }
- if (irq_status & ((irq_status & GENMASK(7, 0)) << 8))
- trigger_machine = true;
- if (!trigger_machine)
- return IRQ_NONE;
- phy_trigger_machine(phydev);
- return IRQ_HANDLED;
- }
- static int dp83822_read_status(struct phy_device *phydev)
- {
- struct dp83822_private *dp83822 = phydev->priv;
- int status = phy_read(phydev, MII_DP83822_PHYSTS);
- int ctrl2;
- int ret;
- if (dp83822->fx_enabled) {
- if (status & DP83822_PHYSTS_LINK) {
- phydev->speed = SPEED_UNKNOWN;
- phydev->duplex = DUPLEX_UNKNOWN;
- } else {
- ctrl2 = phy_read(phydev, MII_DP83822_CTRL_2);
- if (ctrl2 < 0)
- return ctrl2;
- if (!(ctrl2 & DP83822_FX_ENABLE)) {
- ret = phy_write(phydev, MII_DP83822_CTRL_2,
- DP83822_FX_ENABLE | ctrl2);
- if (ret < 0)
- return ret;
- }
- }
- }
- ret = genphy_read_status(phydev);
- if (ret)
- return ret;
- if (status < 0)
- return status;
- if (status & DP83822_PHYSTS_DUPLEX)
- phydev->duplex = DUPLEX_FULL;
- else
- phydev->duplex = DUPLEX_HALF;
- if (status & DP83822_PHYSTS_10)
- phydev->speed = SPEED_10;
- else
- phydev->speed = SPEED_100;
- return 0;
- }
- static int dp83822_config_init_leds(struct phy_device *phydev)
- {
- struct dp83822_private *dp83822 = phydev->priv;
- int ret;
- if (dp83822->led_pin_enable[DP83822_LED_INDEX_LED_0]) {
- ret = phy_modify_mmd(phydev, MDIO_MMD_VEND2, MII_DP83822_MLEDCR,
- DP83822_MLEDCR_ROUTE,
- FIELD_PREP(DP83822_MLEDCR_ROUTE,
- DP83822_MLEDCR_ROUTE_LED_0));
- if (ret)
- return ret;
- } else if (dp83822->led_pin_enable[DP83822_LED_INDEX_COL_GPIO2]) {
- ret = phy_modify_mmd(phydev, MDIO_MMD_VEND2, MII_DP83822_IOCTRL2,
- DP83822_IOCTRL2_GPIO2_CTRL,
- FIELD_PREP(DP83822_IOCTRL2_GPIO2_CTRL,
- DP83822_IOCTRL2_GPIO2_CTRL_MLED));
- if (ret)
- return ret;
- }
- if (dp83822->led_pin_enable[DP83822_LED_INDEX_LED_1_GPIO1]) {
- ret = phy_modify_mmd(phydev, MDIO_MMD_VEND2, MII_DP83822_IOCTRL1,
- DP83822_IOCTRL1_GPIO1_CTRL,
- FIELD_PREP(DP83822_IOCTRL1_GPIO1_CTRL,
- DP83822_IOCTRL1_GPIO1_CTRL_LED_1));
- if (ret)
- return ret;
- }
- if (dp83822->led_pin_enable[DP83822_LED_INDEX_RX_D3_GPIO3]) {
- ret = phy_modify_mmd(phydev, MDIO_MMD_VEND2, MII_DP83822_IOCTRL1,
- DP83822_IOCTRL1_GPIO3_CTRL,
- FIELD_PREP(DP83822_IOCTRL1_GPIO3_CTRL,
- DP83822_IOCTRL1_GPIO3_CTRL_LED3));
- if (ret)
- return ret;
- }
- return 0;
- }
- static int dp83822_config_init(struct phy_device *phydev)
- {
- struct dp83822_private *dp83822 = phydev->priv;
- int rgmii_delay = 0;
- s32 rx_int_delay;
- s32 tx_int_delay;
- int err = 0;
- int bmcr;
- if (dp83822->set_gpio2_clk_out)
- phy_modify_mmd(phydev, MDIO_MMD_VEND2, MII_DP83822_IOCTRL2,
- DP83822_IOCTRL2_GPIO2_CTRL |
- DP83822_IOCTRL2_GPIO2_CLK_SRC,
- FIELD_PREP(DP83822_IOCTRL2_GPIO2_CTRL,
- DP83822_IOCTRL2_GPIO2_CTRL_CLK_REF) |
- FIELD_PREP(DP83822_IOCTRL2_GPIO2_CLK_SRC,
- dp83822->gpio2_clk_out));
- if (dp83822->tx_amplitude_100base_tx_index >= 0)
- phy_modify_mmd(phydev, MDIO_MMD_VEND2, MII_DP83822_LDCTRL,
- DP83822_100BASE_TX_LINE_DRIVER_SWING,
- FIELD_PREP(DP83822_100BASE_TX_LINE_DRIVER_SWING,
- dp83822->tx_amplitude_100base_tx_index));
- if (dp83822->mac_termination_index >= 0)
- phy_modify_mmd(phydev, MDIO_MMD_VEND2, MII_DP83822_IOCTRL,
- DP83822_IOCTRL_MAC_IMPEDANCE_CTRL,
- FIELD_PREP(DP83822_IOCTRL_MAC_IMPEDANCE_CTRL,
- dp83822->mac_termination_index));
- err = dp83822_config_init_leds(phydev);
- if (err)
- return err;
- if (phy_interface_is_rgmii(phydev)) {
- rx_int_delay = phy_get_internal_delay(phydev, NULL, 0, true);
- /* Set DP83822_RX_CLK_SHIFT to enable rx clk internal delay */
- if (rx_int_delay > 0)
- rgmii_delay |= DP83822_RX_CLK_SHIFT;
- tx_int_delay = phy_get_internal_delay(phydev, NULL, 0, false);
- /* Set DP83822_TX_CLK_SHIFT to disable tx clk internal delay */
- if (tx_int_delay <= 0)
- rgmii_delay |= DP83822_TX_CLK_SHIFT;
- err = phy_modify_mmd(phydev, MDIO_MMD_VEND2, MII_DP83822_RCSR,
- DP83822_RX_CLK_SHIFT | DP83822_TX_CLK_SHIFT, rgmii_delay);
- if (err)
- return err;
- err = phy_set_bits_mmd(phydev, MDIO_MMD_VEND2,
- MII_DP83822_RCSR, DP83822_RGMII_MODE_EN);
- if (err)
- return err;
- } else {
- err = phy_clear_bits_mmd(phydev, MDIO_MMD_VEND2,
- MII_DP83822_RCSR, DP83822_RGMII_MODE_EN);
- if (err)
- return err;
- }
- if (dp83822->fx_enabled) {
- err = phy_modify(phydev, MII_DP83822_CTRL_2,
- DP83822_FX_ENABLE, 1);
- if (err < 0)
- return err;
- /* Only allow advertising what this PHY supports */
- linkmode_and(phydev->advertising, phydev->advertising,
- phydev->supported);
- linkmode_set_bit(ETHTOOL_LINK_MODE_FIBRE_BIT,
- phydev->supported);
- linkmode_set_bit(ETHTOOL_LINK_MODE_FIBRE_BIT,
- phydev->advertising);
- linkmode_set_bit(ETHTOOL_LINK_MODE_100baseFX_Full_BIT,
- phydev->supported);
- linkmode_set_bit(ETHTOOL_LINK_MODE_100baseFX_Half_BIT,
- phydev->supported);
- linkmode_set_bit(ETHTOOL_LINK_MODE_100baseFX_Full_BIT,
- phydev->advertising);
- linkmode_set_bit(ETHTOOL_LINK_MODE_100baseFX_Half_BIT,
- phydev->advertising);
- /* Auto neg is not supported in fiber mode */
- bmcr = phy_read(phydev, MII_BMCR);
- if (bmcr < 0)
- return bmcr;
- if (bmcr & BMCR_ANENABLE) {
- err = phy_modify(phydev, MII_BMCR, BMCR_ANENABLE, 0);
- if (err < 0)
- return err;
- }
- phydev->autoneg = AUTONEG_DISABLE;
- linkmode_clear_bit(ETHTOOL_LINK_MODE_Autoneg_BIT,
- phydev->supported);
- linkmode_clear_bit(ETHTOOL_LINK_MODE_Autoneg_BIT,
- phydev->advertising);
- /* Setup fiber advertisement */
- err = phy_modify_changed(phydev, MII_ADVERTISE,
- MII_DP83822_FIBER_ADVERTISE,
- MII_DP83822_FIBER_ADVERTISE);
- if (err < 0)
- return err;
- if (dp83822->fx_signal_det_low) {
- err = phy_set_bits_mmd(phydev, MDIO_MMD_VEND2,
- MII_DP83822_GENCFG,
- DP83822_SIG_DET_LOW);
- if (err)
- return err;
- }
- }
- return dp83822_config_wol(phydev, &dp83822->wol);
- }
- static int dp8382x_config_rmii_mode(struct phy_device *phydev)
- {
- struct device *dev = &phydev->mdio.dev;
- const char *of_val;
- int ret;
- if (!device_property_read_string(dev, "ti,rmii-mode", &of_val)) {
- if (strcmp(of_val, "master") == 0) {
- ret = phy_clear_bits_mmd(phydev, MDIO_MMD_VEND2, MII_DP83822_RCSR,
- DP83822_RMII_MODE_SEL);
- } else if (strcmp(of_val, "slave") == 0) {
- ret = phy_set_bits_mmd(phydev, MDIO_MMD_VEND2, MII_DP83822_RCSR,
- DP83822_RMII_MODE_SEL);
- } else {
- phydev_err(phydev, "Invalid value for ti,rmii-mode property (%s)\n",
- of_val);
- ret = -EINVAL;
- }
- if (ret)
- return ret;
- }
- return 0;
- }
- static int dp83826_config_init(struct phy_device *phydev)
- {
- struct dp83822_private *dp83822 = phydev->priv;
- u16 val, mask;
- int ret;
- if (phydev->interface == PHY_INTERFACE_MODE_RMII) {
- ret = phy_set_bits_mmd(phydev, MDIO_MMD_VEND2, MII_DP83822_RCSR,
- DP83822_RMII_MODE_EN);
- if (ret)
- return ret;
- ret = dp8382x_config_rmii_mode(phydev);
- if (ret)
- return ret;
- } else {
- ret = phy_clear_bits_mmd(phydev, MDIO_MMD_VEND2, MII_DP83822_RCSR,
- DP83822_RMII_MODE_EN);
- if (ret)
- return ret;
- }
- if (dp83822->cfg_dac_minus != DP83826_CFG_DAC_MINUS_DEFAULT) {
- val = FIELD_PREP(DP83826_VOD_CFG1_MINUS_MDI_MASK, dp83822->cfg_dac_minus) |
- FIELD_PREP(DP83826_VOD_CFG1_MINUS_MDIX_MASK,
- FIELD_GET(DP83826_CFG_DAC_MINUS_MDIX_5_TO_4,
- dp83822->cfg_dac_minus));
- mask = DP83826_VOD_CFG1_MINUS_MDIX_MASK | DP83826_VOD_CFG1_MINUS_MDI_MASK;
- ret = phy_modify_mmd(phydev, MDIO_MMD_VEND2, MII_DP83826_VOD_CFG1, mask, val);
- if (ret)
- return ret;
- val = FIELD_PREP(DP83826_VOD_CFG2_MINUS_MDIX_MASK,
- FIELD_GET(DP83826_CFG_DAC_MINUS_MDIX_3_TO_0,
- dp83822->cfg_dac_minus));
- mask = DP83826_VOD_CFG2_MINUS_MDIX_MASK;
- ret = phy_modify_mmd(phydev, MDIO_MMD_VEND2, MII_DP83826_VOD_CFG2, mask, val);
- if (ret)
- return ret;
- }
- if (dp83822->cfg_dac_plus != DP83826_CFG_DAC_PLUS_DEFAULT) {
- val = FIELD_PREP(DP83826_VOD_CFG2_PLUS_MDIX_MASK, dp83822->cfg_dac_plus) |
- FIELD_PREP(DP83826_VOD_CFG2_PLUS_MDI_MASK, dp83822->cfg_dac_plus);
- mask = DP83826_VOD_CFG2_PLUS_MDIX_MASK | DP83826_VOD_CFG2_PLUS_MDI_MASK;
- ret = phy_modify_mmd(phydev, MDIO_MMD_VEND2, MII_DP83826_VOD_CFG2, mask, val);
- if (ret)
- return ret;
- }
- return dp83822_config_wol(phydev, &dp83822->wol);
- }
- static int dp83825_config_init(struct phy_device *phydev)
- {
- struct dp83822_private *dp83822 = phydev->priv;
- int ret;
- ret = dp8382x_config_rmii_mode(phydev);
- if (ret)
- return ret;
- return dp83822_config_wol(phydev, &dp83822->wol);
- }
- static int dp83822_phy_reset(struct phy_device *phydev)
- {
- int err;
- err = phy_write(phydev, MII_DP83822_RESET_CTRL, DP83822_SW_RESET);
- if (err < 0)
- return err;
- return phydev->drv->config_init(phydev);
- }
- #if IS_ENABLED(CONFIG_OF_MDIO)
- static const u32 tx_amplitude_100base_tx_gain[] = {
- 80, 82, 83, 85, 87, 88, 90, 92,
- 93, 95, 97, 98, 100, 102, 103, 105,
- };
- static const u32 mac_termination[] = {
- 99, 91, 84, 78, 73, 69, 65, 61, 58, 55, 53, 50, 48, 46, 44, 43,
- };
- static int dp83822_of_init_leds(struct phy_device *phydev)
- {
- struct device_node *node = phydev->mdio.dev.of_node;
- struct dp83822_private *dp83822 = phydev->priv;
- struct device_node *leds;
- u32 index;
- int err;
- if (!node)
- return 0;
- leds = of_get_child_by_name(node, "leds");
- if (!leds)
- return 0;
- for_each_available_child_of_node_scoped(leds, led) {
- err = of_property_read_u32(led, "reg", &index);
- if (err) {
- of_node_put(leds);
- return err;
- }
- if (index <= DP83822_LED_INDEX_RX_D3_GPIO3) {
- dp83822->led_pin_enable[index] = true;
- } else {
- of_node_put(leds);
- return -EINVAL;
- }
- }
- of_node_put(leds);
- /* LED_0 and COL(GPIO2) use the MLED function. MLED can be routed to
- * only one of these two pins at a time.
- */
- if (dp83822->led_pin_enable[DP83822_LED_INDEX_LED_0] &&
- dp83822->led_pin_enable[DP83822_LED_INDEX_COL_GPIO2]) {
- phydev_err(phydev, "LED_0 and COL(GPIO2) cannot be used as LED output at the same time\n");
- return -EINVAL;
- }
- if (dp83822->led_pin_enable[DP83822_LED_INDEX_COL_GPIO2] &&
- dp83822->set_gpio2_clk_out) {
- phydev_err(phydev, "COL(GPIO2) cannot be used as LED output, already used as clock output\n");
- return -EINVAL;
- }
- if (dp83822->led_pin_enable[DP83822_LED_INDEX_RX_D3_GPIO3] &&
- phydev->interface != PHY_INTERFACE_MODE_RMII) {
- phydev_err(phydev, "RX_D3 can only be used as LED output when in RMII mode\n");
- return -EINVAL;
- }
- return 0;
- }
- static int dp83822_of_init(struct phy_device *phydev)
- {
- struct dp83822_private *dp83822 = phydev->priv;
- struct device *dev = &phydev->mdio.dev;
- const char *of_val;
- int i, ret;
- u32 val;
- if (!device_property_read_string(dev, "ti,gpio2-clk-out", &of_val)) {
- if (strcmp(of_val, "mac-if") == 0) {
- dp83822->gpio2_clk_out = DP83822_CLK_SRC_MAC_IF;
- } else if (strcmp(of_val, "xi") == 0) {
- dp83822->gpio2_clk_out = DP83822_CLK_SRC_XI;
- } else if (strcmp(of_val, "int-ref") == 0) {
- dp83822->gpio2_clk_out = DP83822_CLK_SRC_INT_REF;
- } else if (strcmp(of_val, "rmii-master-mode-ref") == 0) {
- dp83822->gpio2_clk_out = DP83822_CLK_SRC_RMII_MASTER_MODE_REF;
- } else if (strcmp(of_val, "free-running") == 0) {
- dp83822->gpio2_clk_out = DP83822_CLK_SRC_FREE_RUNNING;
- } else if (strcmp(of_val, "recovered") == 0) {
- dp83822->gpio2_clk_out = DP83822_CLK_SRC_RECOVERED;
- } else {
- phydev_err(phydev,
- "Invalid value for ti,gpio2-clk-out property (%s)\n",
- of_val);
- return -EINVAL;
- }
- dp83822->set_gpio2_clk_out = true;
- }
- ret = phy_get_tx_amplitude_gain(phydev, dev,
- ETHTOOL_LINK_MODE_100baseT_Full_BIT,
- &val);
- if (!ret) {
- for (i = 0; i < ARRAY_SIZE(tx_amplitude_100base_tx_gain); i++) {
- if (tx_amplitude_100base_tx_gain[i] == val) {
- dp83822->tx_amplitude_100base_tx_index = i;
- break;
- }
- }
- if (dp83822->tx_amplitude_100base_tx_index < 0) {
- phydev_err(phydev,
- "Invalid value for tx-amplitude-100base-tx-percent property (%u)\n",
- val);
- return -EINVAL;
- }
- }
- ret = phy_get_mac_termination(phydev, dev, &val);
- if (!ret) {
- for (i = 0; i < ARRAY_SIZE(mac_termination); i++) {
- if (mac_termination[i] == val) {
- dp83822->mac_termination_index = i;
- break;
- }
- }
- if (dp83822->mac_termination_index < 0) {
- phydev_err(phydev,
- "Invalid value for mac-termination-ohms property (%u)\n",
- val);
- return -EINVAL;
- }
- }
- return dp83822_of_init_leds(phydev);
- }
- static int dp83826_to_dac_minus_one_regval(int percent)
- {
- int tmp = DP83826_CFG_DAC_PERCENT_DEFAULT - percent;
- return tmp / DP83826_CFG_DAC_PERCENT_PER_STEP;
- }
- static int dp83826_to_dac_plus_one_regval(int percent)
- {
- int tmp = percent - DP83826_CFG_DAC_PERCENT_DEFAULT;
- return tmp / DP83826_CFG_DAC_PERCENT_PER_STEP;
- }
- static void dp83826_of_init(struct phy_device *phydev)
- {
- struct dp83822_private *dp83822 = phydev->priv;
- struct device *dev = &phydev->mdio.dev;
- u32 val;
- dp83822->cfg_dac_minus = DP83826_CFG_DAC_MINUS_DEFAULT;
- if (!device_property_read_u32(dev, "ti,cfg-dac-minus-one-bp", &val))
- dp83822->cfg_dac_minus += dp83826_to_dac_minus_one_regval(val);
- dp83822->cfg_dac_plus = DP83826_CFG_DAC_PLUS_DEFAULT;
- if (!device_property_read_u32(dev, "ti,cfg-dac-plus-one-bp", &val))
- dp83822->cfg_dac_plus += dp83826_to_dac_plus_one_regval(val);
- }
- #else
- static int dp83822_of_init(struct phy_device *phydev)
- {
- return 0;
- }
- static void dp83826_of_init(struct phy_device *phydev)
- {
- }
- #endif /* CONFIG_OF_MDIO */
- static int dp83822_read_straps(struct phy_device *phydev)
- {
- struct dp83822_private *dp83822 = phydev->priv;
- int fx_enabled, fx_sd_enable;
- int val;
- val = phy_read_mmd(phydev, MDIO_MMD_VEND2, MII_DP83822_SOR1);
- if (val < 0)
- return val;
- phydev_dbg(phydev, "SOR1 strap register: 0x%04x\n", val);
- fx_enabled = (val & DP83822_COL_STRAP_MASK) >> DP83822_COL_SHIFT;
- if (fx_enabled == DP83822_STRAP_MODE2 ||
- fx_enabled == DP83822_STRAP_MODE3)
- dp83822->fx_enabled = 1;
- if (dp83822->fx_enabled) {
- fx_sd_enable = (val & DP83822_RX_ER_STR_MASK) >> DP83822_RX_ER_SHIFT;
- if (fx_sd_enable == DP83822_STRAP_MODE3 ||
- fx_sd_enable == DP83822_STRAP_MODE4)
- dp83822->fx_sd_enable = 1;
- }
- return 0;
- }
- static int dp83822_attach_mdi_port(struct phy_device *phydev,
- struct phy_port *port)
- {
- struct dp83822_private *dp83822 = phydev->priv;
- int ret;
- if (port->mediums) {
- if (phy_port_is_fiber(port))
- dp83822->fx_enabled = true;
- } else {
- ret = dp83822_read_straps(phydev);
- if (ret)
- return ret;
- #if IS_ENABLED(CONFIG_OF_MDIO)
- if (dp83822->fx_enabled && dp83822->fx_sd_enable)
- dp83822->fx_signal_det_low =
- device_property_present(&phydev->mdio.dev,
- "ti,link-loss-low");
- /* ti,fiber-mode is still used for backwards compatibility, but
- * has been replaced with the mdi node definition, see
- * ethernet-port.yaml
- */
- if (!dp83822->fx_enabled)
- dp83822->fx_enabled =
- device_property_present(&phydev->mdio.dev,
- "ti,fiber-mode");
- #endif /* CONFIG_OF_MDIO */
- if (dp83822->fx_enabled) {
- port->mediums = BIT(ETHTOOL_LINK_MEDIUM_BASEF);
- } else {
- /* This PHY can only to 100BaseTX max, so on 2 pairs */
- port->pairs = 2;
- port->mediums = BIT(ETHTOOL_LINK_MEDIUM_BASET);
- }
- }
- return 0;
- }
- static int dp8382x_probe(struct phy_device *phydev)
- {
- struct dp83822_private *dp83822;
- dp83822 = devm_kzalloc(&phydev->mdio.dev, sizeof(*dp83822),
- GFP_KERNEL);
- if (!dp83822)
- return -ENOMEM;
- dp83822->tx_amplitude_100base_tx_index = -1;
- dp83822->mac_termination_index = -1;
- phydev->priv = dp83822;
- return 0;
- }
- static int dp83822_probe(struct phy_device *phydev)
- {
- int ret;
- ret = dp8382x_probe(phydev);
- if (ret)
- return ret;
- return dp83822_of_init(phydev);
- }
- static int dp83826_probe(struct phy_device *phydev)
- {
- int ret;
- ret = dp8382x_probe(phydev);
- if (ret)
- return ret;
- dp83826_of_init(phydev);
- return 0;
- }
- static int dp83822_suspend(struct phy_device *phydev)
- {
- int value;
- value = phy_read_mmd(phydev, MDIO_MMD_VEND2, MII_DP83822_WOL_CFG);
- if (!(value & DP83822_WOL_EN))
- genphy_suspend(phydev);
- return 0;
- }
- static int dp83822_resume(struct phy_device *phydev)
- {
- int value;
- genphy_resume(phydev);
- value = phy_read_mmd(phydev, MDIO_MMD_VEND2, MII_DP83822_WOL_CFG);
- phy_write_mmd(phydev, MDIO_MMD_VEND2, MII_DP83822_WOL_CFG, value |
- DP83822_WOL_CLR_INDICATION);
- return 0;
- }
- static int dp83822_led_mode(u8 index, unsigned long rules)
- {
- switch (rules) {
- case BIT(TRIGGER_NETDEV_LINK):
- return DP83822_LED_FN_LINK;
- case BIT(TRIGGER_NETDEV_LINK_10):
- return DP83822_LED_FN_LINK_10_BT;
- case BIT(TRIGGER_NETDEV_LINK_100):
- return DP83822_LED_FN_LINK_100_BTX;
- case BIT(TRIGGER_NETDEV_FULL_DUPLEX):
- return DP83822_LED_FN_FULL_DUPLEX;
- case BIT(TRIGGER_NETDEV_TX):
- return DP83822_LED_FN_TX;
- case BIT(TRIGGER_NETDEV_RX):
- return DP83822_LED_FN_RX;
- case BIT(TRIGGER_NETDEV_TX) | BIT(TRIGGER_NETDEV_RX):
- return DP83822_LED_FN_RX_TX;
- case BIT(TRIGGER_NETDEV_TX_ERR) | BIT(TRIGGER_NETDEV_RX_ERR):
- return DP83822_LED_FN_RX_TX_ERR;
- case BIT(TRIGGER_NETDEV_LINK) | BIT(TRIGGER_NETDEV_TX) | BIT(TRIGGER_NETDEV_RX):
- return DP83822_LED_FN_LINK_RX_TX;
- default:
- return -EOPNOTSUPP;
- }
- }
- static int dp83822_led_hw_is_supported(struct phy_device *phydev, u8 index,
- unsigned long rules)
- {
- int mode;
- mode = dp83822_led_mode(index, rules);
- if (mode < 0)
- return mode;
- return 0;
- }
- static int dp83822_led_hw_control_set(struct phy_device *phydev, u8 index,
- unsigned long rules)
- {
- int mode;
- mode = dp83822_led_mode(index, rules);
- if (mode < 0)
- return mode;
- if (index == DP83822_LED_INDEX_LED_0 || index == DP83822_LED_INDEX_COL_GPIO2)
- return phy_modify_mmd(phydev, MDIO_MMD_VEND2,
- MII_DP83822_MLEDCR, DP83822_MLEDCR_CFG,
- FIELD_PREP(DP83822_MLEDCR_CFG, mode));
- else if (index == DP83822_LED_INDEX_LED_1_GPIO1)
- return phy_modify_mmd(phydev, MDIO_MMD_VEND2,
- MII_DP83822_LEDCFG1,
- DP83822_LEDCFG1_LED1_CTRL,
- FIELD_PREP(DP83822_LEDCFG1_LED1_CTRL,
- mode));
- else
- return phy_modify_mmd(phydev, MDIO_MMD_VEND2,
- MII_DP83822_LEDCFG1,
- DP83822_LEDCFG1_LED3_CTRL,
- FIELD_PREP(DP83822_LEDCFG1_LED3_CTRL,
- mode));
- }
- static int dp83822_led_hw_control_get(struct phy_device *phydev, u8 index,
- unsigned long *rules)
- {
- int val;
- if (index == DP83822_LED_INDEX_LED_0 || index == DP83822_LED_INDEX_COL_GPIO2) {
- val = phy_read_mmd(phydev, MDIO_MMD_VEND2, MII_DP83822_MLEDCR);
- if (val < 0)
- return val;
- val = FIELD_GET(DP83822_MLEDCR_CFG, val);
- } else {
- val = phy_read_mmd(phydev, MDIO_MMD_VEND2, MII_DP83822_LEDCFG1);
- if (val < 0)
- return val;
- if (index == DP83822_LED_INDEX_LED_1_GPIO1)
- val = FIELD_GET(DP83822_LEDCFG1_LED1_CTRL, val);
- else
- val = FIELD_GET(DP83822_LEDCFG1_LED3_CTRL, val);
- }
- switch (val) {
- case DP83822_LED_FN_LINK:
- *rules = BIT(TRIGGER_NETDEV_LINK);
- break;
- case DP83822_LED_FN_LINK_10_BT:
- *rules = BIT(TRIGGER_NETDEV_LINK_10);
- break;
- case DP83822_LED_FN_LINK_100_BTX:
- *rules = BIT(TRIGGER_NETDEV_LINK_100);
- break;
- case DP83822_LED_FN_FULL_DUPLEX:
- *rules = BIT(TRIGGER_NETDEV_FULL_DUPLEX);
- break;
- case DP83822_LED_FN_TX:
- *rules = BIT(TRIGGER_NETDEV_TX);
- break;
- case DP83822_LED_FN_RX:
- *rules = BIT(TRIGGER_NETDEV_RX);
- break;
- case DP83822_LED_FN_RX_TX:
- *rules = BIT(TRIGGER_NETDEV_TX) | BIT(TRIGGER_NETDEV_RX);
- break;
- case DP83822_LED_FN_RX_TX_ERR:
- *rules = BIT(TRIGGER_NETDEV_TX_ERR) | BIT(TRIGGER_NETDEV_RX_ERR);
- break;
- case DP83822_LED_FN_LINK_RX_TX:
- *rules = BIT(TRIGGER_NETDEV_LINK) | BIT(TRIGGER_NETDEV_TX) |
- BIT(TRIGGER_NETDEV_RX);
- break;
- default:
- *rules = 0;
- break;
- }
- return 0;
- }
- #define DP83822_PHY_DRIVER(_id, _name) \
- { \
- PHY_ID_MATCH_MODEL(_id), \
- .name = (_name), \
- /* PHY_BASIC_FEATURES */ \
- .probe = dp83822_probe, \
- .soft_reset = dp83822_phy_reset, \
- .config_init = dp83822_config_init, \
- .read_status = dp83822_read_status, \
- .get_wol = dp83822_get_wol, \
- .set_wol = dp83822_set_wol, \
- .config_intr = dp83822_config_intr, \
- .handle_interrupt = dp83822_handle_interrupt, \
- .suspend = dp83822_suspend, \
- .resume = dp83822_resume, \
- .led_hw_is_supported = dp83822_led_hw_is_supported, \
- .led_hw_control_set = dp83822_led_hw_control_set, \
- .led_hw_control_get = dp83822_led_hw_control_get, \
- .attach_mdi_port = dp83822_attach_mdi_port \
- }
- #define DP83825_PHY_DRIVER(_id, _name) \
- { \
- PHY_ID_MATCH_MODEL(_id), \
- .name = (_name), \
- /* PHY_BASIC_FEATURES */ \
- .probe = dp8382x_probe, \
- .soft_reset = dp83822_phy_reset, \
- .config_init = dp83825_config_init, \
- .get_wol = dp83822_get_wol, \
- .set_wol = dp83822_set_wol, \
- .config_intr = dp83822_config_intr, \
- .handle_interrupt = dp83822_handle_interrupt, \
- .suspend = dp83822_suspend, \
- .resume = dp83822_resume, \
- }
- #define DP83826_PHY_DRIVER(_id, _name) \
- { \
- PHY_ID_MATCH_MODEL(_id), \
- .name = (_name), \
- /* PHY_BASIC_FEATURES */ \
- .probe = dp83826_probe, \
- .soft_reset = dp83822_phy_reset, \
- .config_init = dp83826_config_init, \
- .get_wol = dp83822_get_wol, \
- .set_wol = dp83822_set_wol, \
- .config_intr = dp83822_config_intr, \
- .handle_interrupt = dp83822_handle_interrupt, \
- .suspend = dp83822_suspend, \
- .resume = dp83822_resume, \
- }
- static struct phy_driver dp83822_driver[] = {
- DP83822_PHY_DRIVER(DP83822_PHY_ID, "TI DP83822"),
- DP83825_PHY_DRIVER(DP83825I_PHY_ID, "TI DP83825I"),
- DP83825_PHY_DRIVER(DP83825S_PHY_ID, "TI DP83825S"),
- DP83825_PHY_DRIVER(DP83825CM_PHY_ID, "TI DP83825M"),
- DP83825_PHY_DRIVER(DP83825CS_PHY_ID, "TI DP83825CS"),
- DP83826_PHY_DRIVER(DP83826C_PHY_ID, "TI DP83826C"),
- DP83826_PHY_DRIVER(DP83826NC_PHY_ID, "TI DP83826NC"),
- };
- module_phy_driver(dp83822_driver);
- static const struct mdio_device_id __maybe_unused dp83822_tbl[] = {
- { DP83822_PHY_ID, 0xfffffff0 },
- { DP83825I_PHY_ID, 0xfffffff0 },
- { DP83826C_PHY_ID, 0xfffffff0 },
- { DP83826NC_PHY_ID, 0xfffffff0 },
- { DP83825S_PHY_ID, 0xfffffff0 },
- { DP83825CM_PHY_ID, 0xfffffff0 },
- { DP83825CS_PHY_ID, 0xfffffff0 },
- { },
- };
- MODULE_DEVICE_TABLE(mdio, dp83822_tbl);
- MODULE_DESCRIPTION("Texas Instruments DP83822 PHY driver");
- MODULE_AUTHOR("Dan Murphy <dmurphy@ti.com");
- MODULE_LICENSE("GPL v2");
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