drivers/phy/rockchip/phy-rockchip-inno-usb2.c

root/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Rockchip USB2.0 PHY with Innosilicon IP block driver
 *
 * Copyright (C) 2016 Fuzhou Rockchip Electronics Co., Ltd
 */

#include <linux/clk.h>
#include <linux/clk-provider.h>
#include <linux/delay.h>
#include <linux/extcon-provider.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/gpio/consumer.h>
#include <linux/jiffies.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/of.h>
#include <linux/of_irq.h>
#include <linux/phy/phy.h>
#include <linux/platform_device.h>
#include <linux/power_supply.h>
#include <linux/regmap.h>
#include <linux/reset.h>
#include <linux/mfd/syscon.h>
#include <linux/usb/of.h>
#include <linux/usb/otg.h>

#define BIT_WRITEABLE_SHIFT     16
#define SCHEDULE_DELAY          (60 * HZ)
#define OTG_SCHEDULE_DELAY      (2 * HZ)

struct rockchip_usb2phy;

enum rockchip_usb2phy_port_id {
        USB2PHY_PORT_OTG,
        USB2PHY_PORT_HOST,
        USB2PHY_NUM_PORTS,
};

enum rockchip_usb2phy_host_state {
        PHY_STATE_HS_ONLINE     = 0,
        PHY_STATE_DISCONNECT    = 1,
        PHY_STATE_CONNECT       = 2,
        PHY_STATE_FS_LS_ONLINE  = 4,
};

/**
 * enum usb_chg_state - Different states involved in USB charger detection.
 * @USB_CHG_STATE_UNDEFINED:    USB charger is not connected or detection
 *                              process is not yet started.
 * @USB_CHG_STATE_WAIT_FOR_DCD: Waiting for Data pins contact.
 * @USB_CHG_STATE_DCD_DONE:     Data pin contact is detected.
 * @USB_CHG_STATE_PRIMARY_DONE: Primary detection is completed (Detects
 *                              between SDP and DCP/CDP).
 * @USB_CHG_STATE_SECONDARY_DONE: Secondary detection is completed (Detects
 *                                between DCP and CDP).
 * @USB_CHG_STATE_DETECTED:     USB charger type is determined.
 */
enum usb_chg_state {
        USB_CHG_STATE_UNDEFINED = 0,
        USB_CHG_STATE_WAIT_FOR_DCD,
        USB_CHG_STATE_DCD_DONE,
        USB_CHG_STATE_PRIMARY_DONE,
        USB_CHG_STATE_SECONDARY_DONE,
        USB_CHG_STATE_DETECTED,
};

static const unsigned int rockchip_usb2phy_extcon_cable[] = {
        EXTCON_USB,
        EXTCON_USB_HOST,
        EXTCON_CHG_USB_SDP,
        EXTCON_CHG_USB_CDP,
        EXTCON_CHG_USB_DCP,
        EXTCON_CHG_USB_SLOW,
        EXTCON_NONE,
};

struct usb2phy_reg {
        unsigned int    offset;
        unsigned int    bitend;
        unsigned int    bitstart;
        unsigned int    disable;
        unsigned int    enable;
};

/**
 * struct rockchip_chg_det_reg - usb charger detect registers
 * @cp_det: charging port detected successfully.
 * @dcp_det: dedicated charging port detected successfully.
 * @dp_det: assert data pin connect successfully.
 * @idm_sink_en: open dm sink curren.
 * @idp_sink_en: open dp sink current.
 * @idp_src_en: open dm source current.
 * @rdm_pdwn_en: open dm pull down resistor.
 * @vdm_src_en: open dm voltage source.
 * @vdp_src_en: open dp voltage source.
 * @opmode: utmi operational mode.
 */
struct rockchip_chg_det_reg {
        struct usb2phy_reg      cp_det;
        struct usb2phy_reg      dcp_det;
        struct usb2phy_reg      dp_det;
        struct usb2phy_reg      idm_sink_en;
        struct usb2phy_reg      idp_sink_en;
        struct usb2phy_reg      idp_src_en;
        struct usb2phy_reg      rdm_pdwn_en;
        struct usb2phy_reg      vdm_src_en;
        struct usb2phy_reg      vdp_src_en;
        struct usb2phy_reg      opmode;
};

/**
 * struct rockchip_usb2phy_port_cfg - usb-phy port configuration.
 * @phy_sus: phy suspend register.
 * @bvalid_det_en: vbus valid rise detection enable register.
 * @bvalid_det_st: vbus valid rise detection status register.
 * @bvalid_det_clr: vbus valid rise detection clear register.
 * @disfall_en: host disconnect fall edge detection enable.
 * @disfall_st: host disconnect fall edge detection state.
 * @disfall_clr: host disconnect fall edge detection clear.
 * @disrise_en: host disconnect rise edge detection enable.
 * @disrise_st: host disconnect rise edge detection state.
 * @disrise_clr: host disconnect rise edge detection clear.
 * @idfall_det_en: id detection enable register, falling edge
 * @idfall_det_st: id detection state register, falling edge
 * @idfall_det_clr: id detection clear register, falling edge
 * @idrise_det_en: id detection enable register, rising edge
 * @idrise_det_st: id detection state register, rising edge
 * @idrise_det_clr: id detection clear register, rising edge
 * @ls_det_en: linestate detection enable register.
 * @ls_det_st: linestate detection state register.
 * @ls_det_clr: linestate detection clear register.
 * @utmi_avalid: utmi vbus avalid status register.
 * @utmi_bvalid: utmi vbus bvalid status register.
 * @utmi_id: utmi id state register.
 * @utmi_ls: utmi linestate state register.
 * @utmi_hstdet: utmi host disconnect register.
 */
struct rockchip_usb2phy_port_cfg {
        struct usb2phy_reg      phy_sus;
        struct usb2phy_reg      bvalid_det_en;
        struct usb2phy_reg      bvalid_det_st;
        struct usb2phy_reg      bvalid_det_clr;
        struct usb2phy_reg      disfall_en;
        struct usb2phy_reg      disfall_st;
        struct usb2phy_reg      disfall_clr;
        struct usb2phy_reg      disrise_en;
        struct usb2phy_reg      disrise_st;
        struct usb2phy_reg      disrise_clr;
        struct usb2phy_reg      idfall_det_en;
        struct usb2phy_reg      idfall_det_st;
        struct usb2phy_reg      idfall_det_clr;
        struct usb2phy_reg      idrise_det_en;
        struct usb2phy_reg      idrise_det_st;
        struct usb2phy_reg      idrise_det_clr;
        struct usb2phy_reg      ls_det_en;
        struct usb2phy_reg      ls_det_st;
        struct usb2phy_reg      ls_det_clr;
        struct usb2phy_reg      utmi_avalid;
        struct usb2phy_reg      utmi_bvalid;
        struct usb2phy_reg      utmi_id;
        struct usb2phy_reg      utmi_ls;
        struct usb2phy_reg      utmi_hstdet;
};

/**
 * struct rockchip_usb2phy_cfg - usb-phy configuration.
 * @reg: the address offset of grf for usb-phy config.
 * @num_ports: specify how many ports that the phy has.
 * @phy_tuning: phy default parameters tuning.
 * @clkout_ctl: keep on/turn off output clk of phy.
 * @port_cfgs: usb-phy port configurations.
 * @chg_det: charger detection registers.
 */
struct rockchip_usb2phy_cfg {
        unsigned int    reg;
        unsigned int    num_ports;
        int (*phy_tuning)(struct rockchip_usb2phy *rphy);
        struct usb2phy_reg      clkout_ctl;
        const struct rockchip_usb2phy_port_cfg  port_cfgs[USB2PHY_NUM_PORTS];
        const struct rockchip_chg_det_reg       chg_det;
};

/**
 * struct rockchip_usb2phy_port - usb-phy port data.
 * @phy: generic phy.
 * @port_id: flag for otg port or host port.
 * @suspended: phy suspended flag.
 * @vbus_attached: otg device vbus status.
 * @host_disconnect: usb host disconnect status.
 * @bvalid_irq: IRQ number assigned for vbus valid rise detection.
 * @id_irq: IRQ number assigned for ID pin detection.
 * @ls_irq: IRQ number assigned for linestate detection.
 * @otg_mux_irq: IRQ number which multiplex otg-id/otg-bvalid/linestate
 *               irqs to one irq in otg-port.
 * @mutex: for register updating in sm_work.
 * @chg_work: charge detect work.
 * @otg_sm_work: OTG state machine work.
 * @sm_work: HOST state machine work.
 * @port_cfg: port register configuration, assigned by driver data.
 * @event_nb: hold event notification callback.
 * @state: define OTG enumeration states before device reset.
 * @mode: the dr_mode of the controller.
 */
struct rockchip_usb2phy_port {
        struct phy      *phy;
        unsigned int    port_id;
        bool            suspended;
        bool            vbus_attached;
        bool            host_disconnect;
        int             bvalid_irq;
        int             id_irq;
        int             ls_irq;
        int             otg_mux_irq;
        struct mutex    mutex;
        struct          delayed_work chg_work;
        struct          delayed_work otg_sm_work;
        struct          delayed_work sm_work;
        const struct    rockchip_usb2phy_port_cfg *port_cfg;
        struct notifier_block   event_nb;
        enum usb_otg_state      state;
        enum usb_dr_mode        mode;
};

/**
 * struct rockchip_usb2phy - usb2.0 phy driver data.
 * @dev: pointer to device.
 * @grf: General Register Files regmap.
 * @usbgrf: USB General Register Files regmap.
 * @clks: array of phy input clocks.
 * @clk480m: clock struct of phy output clk.
 * @clk480m_hw: clock struct of phy output clk management.
 * @num_clks: number of phy input clocks.
 * @phy_reset: phy reset control.
 * @chg_state: states involved in USB charger detection.
 * @chg_type: USB charger types.
 * @dcd_retries: The retry count used to track Data contact
 *               detection process.
 * @edev: extcon device for notification registration
 * @irq: muxed interrupt for single irq configuration
 * @phy_cfg: phy register configuration, assigned by driver data.
 * @ports: phy port instance.
 */
struct rockchip_usb2phy {
        struct device   *dev;
        struct regmap   *grf;
        struct regmap   *usbgrf;
        struct clk_bulk_data    *clks;
        struct clk      *clk480m;
        struct clk_hw   clk480m_hw;
        int                     num_clks;
        struct reset_control    *phy_reset;
        enum usb_chg_state      chg_state;
        enum power_supply_type  chg_type;
        u8                      dcd_retries;
        struct extcon_dev       *edev;
        int                     irq;
        const struct rockchip_usb2phy_cfg       *phy_cfg;
        struct rockchip_usb2phy_port    ports[USB2PHY_NUM_PORTS];
};

static inline struct regmap *get_reg_base(struct rockchip_usb2phy *rphy)
{
        return rphy->usbgrf == NULL ? rphy->grf : rphy->usbgrf;
}

static inline int property_enable(struct regmap *base,
                                  const struct usb2phy_reg *reg, bool en)
{
        unsigned int val, mask, tmp;

        tmp = en ? reg->enable : reg->disable;
        mask = GENMASK(reg->bitend, reg->bitstart);
        val = (tmp << reg->bitstart) | (mask << BIT_WRITEABLE_SHIFT);

        return regmap_write(base, reg->offset, val);
}

static inline bool property_enabled(struct regmap *base,
                                    const struct usb2phy_reg *reg)
{
        int ret;
        unsigned int tmp, orig;
        unsigned int mask = GENMASK(reg->bitend, reg->bitstart);

        ret = regmap_read(base, reg->offset, &orig);
        if (ret)
                return false;

        tmp = (orig & mask) >> reg->bitstart;
        return tmp != reg->disable;
}

static int rockchip_usb2phy_reset(struct rockchip_usb2phy *rphy)
{
        int ret;

        ret = reset_control_assert(rphy->phy_reset);
        if (ret)
                return ret;

        udelay(10);

        ret = reset_control_deassert(rphy->phy_reset);
        if (ret)
                return ret;

        usleep_range(100, 200);

        return 0;
}

static void rockchip_usb2phy_clk_bulk_disable(void *data)
{
        struct rockchip_usb2phy *rphy = data;

        clk_bulk_disable_unprepare(rphy->num_clks, rphy->clks);
}

static int rockchip_usb2phy_clk480m_prepare(struct clk_hw *hw)
{
        struct rockchip_usb2phy *rphy =
                container_of(hw, struct rockchip_usb2phy, clk480m_hw);
        struct regmap *base = get_reg_base(rphy);
        int ret;

        /* turn on 480m clk output if it is off */
        if (!property_enabled(base, &rphy->phy_cfg->clkout_ctl)) {
                ret = property_enable(base, &rphy->phy_cfg->clkout_ctl, true);
                if (ret)
                        return ret;

                /* waiting for the clk become stable */
                usleep_range(1200, 1300);
        }

        return 0;
}

static void rockchip_usb2phy_clk480m_unprepare(struct clk_hw *hw)
{
        struct rockchip_usb2phy *rphy =
                container_of(hw, struct rockchip_usb2phy, clk480m_hw);
        struct regmap *base = get_reg_base(rphy);

        /* turn off 480m clk output */
        property_enable(base, &rphy->phy_cfg->clkout_ctl, false);
}

static int rockchip_usb2phy_clk480m_prepared(struct clk_hw *hw)
{
        struct rockchip_usb2phy *rphy =
                container_of(hw, struct rockchip_usb2phy, clk480m_hw);
        struct regmap *base = get_reg_base(rphy);

        return property_enabled(base, &rphy->phy_cfg->clkout_ctl);
}

static unsigned long
rockchip_usb2phy_clk480m_recalc_rate(struct clk_hw *hw,
                                     unsigned long parent_rate)
{
        return 480000000;
}

static const struct clk_ops rockchip_usb2phy_clkout_ops = {
        .prepare = rockchip_usb2phy_clk480m_prepare,
        .unprepare = rockchip_usb2phy_clk480m_unprepare,
        .is_prepared = rockchip_usb2phy_clk480m_prepared,
        .recalc_rate = rockchip_usb2phy_clk480m_recalc_rate,
};

static void rockchip_usb2phy_clk480m_unregister(void *data)
{
        struct rockchip_usb2phy *rphy = data;

        of_clk_del_provider(rphy->dev->of_node);
        clk_unregister(rphy->clk480m);
}

static int
rockchip_usb2phy_clk480m_register(struct rockchip_usb2phy *rphy)
{
        struct device_node *node = rphy->dev->of_node;
        struct clk_init_data init;
        struct clk *refclk = NULL;
        const char *clk_name;
        int i;
        int ret = 0;

        init.flags = 0;
        init.name = "clk_usbphy_480m";
        init.ops = &rockchip_usb2phy_clkout_ops;

        /* optional override of the clockname */
        of_property_read_string(node, "clock-output-names", &init.name);

        for (i = 0; i < rphy->num_clks; i++) {
                if (!strncmp(rphy->clks[i].id, "phyclk", 6)) {
                        refclk = rphy->clks[i].clk;
                        break;
                }
        }

        if (!IS_ERR(refclk)) {
                clk_name = __clk_get_name(refclk);
                init.parent_names = &clk_name;
                init.num_parents = 1;
        } else {
                init.parent_names = NULL;
                init.num_parents = 0;
        }

        rphy->clk480m_hw.init = &init;

        /* register the clock */
        rphy->clk480m = clk_register(rphy->dev, &rphy->clk480m_hw);
        if (IS_ERR(rphy->clk480m)) {
                ret = PTR_ERR(rphy->clk480m);
                goto err_ret;
        }

        ret = of_clk_add_provider(node, of_clk_src_simple_get, rphy->clk480m);
        if (ret < 0)
                goto err_clk_provider;

        return devm_add_action_or_reset(rphy->dev, rockchip_usb2phy_clk480m_unregister, rphy);

err_clk_provider:
        clk_unregister(rphy->clk480m);
err_ret:
        return ret;
}

static int rockchip_usb2phy_extcon_register(struct rockchip_usb2phy *rphy)
{
        struct device_node *node = rphy->dev->of_node;
        struct extcon_dev *edev;
        int ret;

        if (of_property_present(node, "extcon")) {
                edev = extcon_get_edev_by_phandle(rphy->dev, 0);
                if (IS_ERR(edev))
                        return dev_err_probe(rphy->dev, PTR_ERR(edev),
                                             "invalid or missing extcon\n");
        } else {
                /* Initialize extcon device */
                edev = devm_extcon_dev_allocate(rphy->dev,
                                                rockchip_usb2phy_extcon_cable);

                if (IS_ERR(edev))
                        return dev_err_probe(rphy->dev, PTR_ERR(edev),
                                             "failed to allocate extcon device\n");

                ret = devm_extcon_dev_register(rphy->dev, edev);
                if (ret)
                        return dev_err_probe(rphy->dev, ret,
                                             "failed to register extcon device\n");
        }

        rphy->edev = edev;

        return 0;
}

static int rockchip_usb2phy_enable_host_disc_irq(struct rockchip_usb2phy *rphy,
                                                 struct rockchip_usb2phy_port *rport,
                                                 bool en)
{
        int ret;

        ret = property_enable(rphy->grf, &rport->port_cfg->disfall_clr, true);
        if (ret)
                return ret;

        ret = property_enable(rphy->grf, &rport->port_cfg->disfall_en, en);
        if (ret)
                return ret;

        ret = property_enable(rphy->grf, &rport->port_cfg->disrise_clr, true);
        if (ret)
                return ret;

        return property_enable(rphy->grf, &rport->port_cfg->disrise_en, en);
}

static int rockchip_usb2phy_init(struct phy *phy)
{
        struct rockchip_usb2phy_port *rport = phy_get_drvdata(phy);
        struct rockchip_usb2phy *rphy = dev_get_drvdata(phy->dev.parent);
        int ret = 0;

        mutex_lock(&rport->mutex);

        if (rport->port_id == USB2PHY_PORT_OTG) {
                if (rport->mode != USB_DR_MODE_HOST &&
                    rport->mode != USB_DR_MODE_UNKNOWN) {
                        /* clear bvalid status and enable bvalid detect irq */
                        ret = property_enable(rphy->grf,
                                              &rport->port_cfg->bvalid_det_clr,
                                              true);
                        if (ret)
                                goto out;

                        ret = property_enable(rphy->grf,
                                              &rport->port_cfg->bvalid_det_en,
                                              true);
                        if (ret)
                                goto out;

                        /* clear id status and enable id detect irqs */
                        ret = property_enable(rphy->grf,
                                              &rport->port_cfg->idfall_det_clr,
                                              true);
                        if (ret)
                                goto out;

                        ret = property_enable(rphy->grf,
                                              &rport->port_cfg->idrise_det_clr,
                                              true);
                        if (ret)
                                goto out;

                        ret = property_enable(rphy->grf,
                                              &rport->port_cfg->idfall_det_en,
                                              true);
                        if (ret)
                                goto out;

                        ret = property_enable(rphy->grf,
                                              &rport->port_cfg->idrise_det_en,
                                              true);
                        if (ret)
                                goto out;

                        schedule_delayed_work(&rport->otg_sm_work,
                                              OTG_SCHEDULE_DELAY * 3);
                } else {
                        /* If OTG works in host only mode, do nothing. */
                        dev_dbg(&rport->phy->dev, "mode %d\n", rport->mode);
                }
        } else if (rport->port_id == USB2PHY_PORT_HOST) {
                if (rport->port_cfg->disfall_en.offset) {
                        rport->host_disconnect = true;
                        ret = rockchip_usb2phy_enable_host_disc_irq(rphy, rport, true);
                        if (ret) {
                                dev_err(rphy->dev, "failed to enable disconnect irq\n");
                                goto out;
                        }
                }

                /* clear linestate and enable linestate detect irq */
                ret = property_enable(rphy->grf,
                                      &rport->port_cfg->ls_det_clr, true);
                if (ret)
                        goto out;

                ret = property_enable(rphy->grf,
                                      &rport->port_cfg->ls_det_en, true);
                if (ret)
                        goto out;

                schedule_delayed_work(&rport->sm_work, SCHEDULE_DELAY);
        }

out:
        mutex_unlock(&rport->mutex);
        return ret;
}

static int rockchip_usb2phy_power_on(struct phy *phy)
{
        struct rockchip_usb2phy_port *rport = phy_get_drvdata(phy);
        struct rockchip_usb2phy *rphy = dev_get_drvdata(phy->dev.parent);
        struct regmap *base = get_reg_base(rphy);
        int ret;

        dev_dbg(&rport->phy->dev, "port power on\n");

        if (!rport->suspended)
                return 0;

        ret = clk_prepare_enable(rphy->clk480m);
        if (ret)
                return ret;

        ret = property_enable(base, &rport->port_cfg->phy_sus, false);
        if (ret) {
                clk_disable_unprepare(rphy->clk480m);
                return ret;
        }

        /*
         * For rk3588, it needs to reset phy when exit from
         * suspend mode with common_on_n 1'b1(aka REFCLK_LOGIC,
         * Bias, and PLL blocks are powered down) for lower
         * power consumption. If you don't want to reset phy,
         * please keep the common_on_n 1'b0 to set these blocks
         * remain powered.
         */
        ret = rockchip_usb2phy_reset(rphy);
        if (ret)
                return ret;

        /* waiting for the utmi_clk to become stable */
        usleep_range(1500, 2000);

        rport->suspended = false;
        return 0;
}

static int rockchip_usb2phy_power_off(struct phy *phy)
{
        struct rockchip_usb2phy_port *rport = phy_get_drvdata(phy);
        struct rockchip_usb2phy *rphy = dev_get_drvdata(phy->dev.parent);
        struct regmap *base = get_reg_base(rphy);
        int ret;

        dev_dbg(&rport->phy->dev, "port power off\n");

        if (rport->suspended)
                return 0;

        ret = property_enable(base, &rport->port_cfg->phy_sus, true);
        if (ret)
                return ret;

        rport->suspended = true;
        clk_disable_unprepare(rphy->clk480m);

        return 0;
}

static int rockchip_usb2phy_exit(struct phy *phy)
{
        struct rockchip_usb2phy_port *rport = phy_get_drvdata(phy);

        if (rport->port_id == USB2PHY_PORT_OTG &&
            rport->mode != USB_DR_MODE_HOST &&
            rport->mode != USB_DR_MODE_UNKNOWN) {
                cancel_delayed_work_sync(&rport->otg_sm_work);
                cancel_delayed_work_sync(&rport->chg_work);
        } else if (rport->port_id == USB2PHY_PORT_HOST)
                cancel_delayed_work_sync(&rport->sm_work);

        return 0;
}

static const struct phy_ops rockchip_usb2phy_ops = {
        .init           = rockchip_usb2phy_init,
        .exit           = rockchip_usb2phy_exit,
        .power_on       = rockchip_usb2phy_power_on,
        .power_off      = rockchip_usb2phy_power_off,
        .owner          = THIS_MODULE,
};

static void rockchip_usb2phy_otg_sm_work(struct work_struct *work)
{
        struct rockchip_usb2phy_port *rport =
                container_of(work, struct rockchip_usb2phy_port,
                             otg_sm_work.work);
        struct rockchip_usb2phy *rphy = dev_get_drvdata(rport->phy->dev.parent);
        static unsigned int cable;
        unsigned long delay;
        bool vbus_attach, sch_work, notify_charger;

        vbus_attach = property_enabled(rphy->grf,
                                       &rport->port_cfg->utmi_bvalid);

        sch_work = false;
        notify_charger = false;
        delay = OTG_SCHEDULE_DELAY;
        dev_dbg(&rport->phy->dev, "%s otg sm work\n",
                usb_otg_state_string(rport->state));

        switch (rport->state) {
        case OTG_STATE_UNDEFINED:
                rport->state = OTG_STATE_B_IDLE;
                if (!vbus_attach)
                        rockchip_usb2phy_power_off(rport->phy);
                fallthrough;
        case OTG_STATE_B_IDLE:
                if (extcon_get_state(rphy->edev, EXTCON_USB_HOST) > 0) {
                        dev_dbg(&rport->phy->dev, "usb otg host connect\n");
                        rport->state = OTG_STATE_A_HOST;
                        rockchip_usb2phy_power_on(rport->phy);
                        return;
                } else if (vbus_attach) {
                        dev_dbg(&rport->phy->dev, "vbus_attach\n");
                        switch (rphy->chg_state) {
                        case USB_CHG_STATE_UNDEFINED:
                                schedule_delayed_work(&rport->chg_work, 0);
                                return;
                        case USB_CHG_STATE_DETECTED:
                                switch (rphy->chg_type) {
                                case POWER_SUPPLY_TYPE_USB:
                                        dev_dbg(&rport->phy->dev, "sdp cable is connected\n");
                                        rockchip_usb2phy_power_on(rport->phy);
                                        rport->state = OTG_STATE_B_PERIPHERAL;
                                        notify_charger = true;
                                        sch_work = true;
                                        cable = EXTCON_CHG_USB_SDP;
                                        break;
                                case POWER_SUPPLY_TYPE_USB_DCP:
                                        dev_dbg(&rport->phy->dev, "dcp cable is connected\n");
                                        rockchip_usb2phy_power_off(rport->phy);
                                        notify_charger = true;
                                        sch_work = true;
                                        cable = EXTCON_CHG_USB_DCP;
                                        break;
                                case POWER_SUPPLY_TYPE_USB_CDP:
                                        dev_dbg(&rport->phy->dev, "cdp cable is connected\n");
                                        rockchip_usb2phy_power_on(rport->phy);
                                        rport->state = OTG_STATE_B_PERIPHERAL;
                                        notify_charger = true;
                                        sch_work = true;
                                        cable = EXTCON_CHG_USB_CDP;
                                        break;
                                default:
                                        break;
                                }
                                break;
                        default:
                                break;
                        }
                } else {
                        notify_charger = true;
                        rphy->chg_state = USB_CHG_STATE_UNDEFINED;
                        rphy->chg_type = POWER_SUPPLY_TYPE_UNKNOWN;
                }

                if (rport->vbus_attached != vbus_attach) {
                        rport->vbus_attached = vbus_attach;

                        if (notify_charger && rphy->edev) {
                                extcon_set_state_sync(rphy->edev,
                                                        cable, vbus_attach);
                                if (cable == EXTCON_CHG_USB_SDP)
                                        extcon_set_state_sync(rphy->edev,
                                                              EXTCON_USB,
                                                              vbus_attach);
                        }
                }
                break;
        case OTG_STATE_B_PERIPHERAL:
                if (!vbus_attach) {
                        dev_dbg(&rport->phy->dev, "usb disconnect\n");
                        rphy->chg_state = USB_CHG_STATE_UNDEFINED;
                        rphy->chg_type = POWER_SUPPLY_TYPE_UNKNOWN;
                        rport->state = OTG_STATE_B_IDLE;
                        delay = 0;
                        rockchip_usb2phy_power_off(rport->phy);
                }
                sch_work = true;
                break;
        case OTG_STATE_A_HOST:
                if (extcon_get_state(rphy->edev, EXTCON_USB_HOST) == 0) {
                        dev_dbg(&rport->phy->dev, "usb otg host disconnect\n");
                        rport->state = OTG_STATE_B_IDLE;
                        rockchip_usb2phy_power_off(rport->phy);
                }
                break;
        default:
                break;
        }

        if (sch_work)
                schedule_delayed_work(&rport->otg_sm_work, delay);
}

static const char *chg_to_string(enum power_supply_type chg_type)
{
        switch (chg_type) {
        case POWER_SUPPLY_TYPE_USB:
                return "USB_SDP_CHARGER";
        case POWER_SUPPLY_TYPE_USB_DCP:
                return "USB_DCP_CHARGER";
        case POWER_SUPPLY_TYPE_USB_CDP:
                return "USB_CDP_CHARGER";
        default:
                return "INVALID_CHARGER";
        }
}

static void rockchip_chg_enable_dcd(struct rockchip_usb2phy *rphy,
                                    bool en)
{
        struct regmap *base = get_reg_base(rphy);

        property_enable(base, &rphy->phy_cfg->chg_det.rdm_pdwn_en, en);
        property_enable(base, &rphy->phy_cfg->chg_det.idp_src_en, en);
}

static void rockchip_chg_enable_primary_det(struct rockchip_usb2phy *rphy,
                                            bool en)
{
        struct regmap *base = get_reg_base(rphy);

        property_enable(base, &rphy->phy_cfg->chg_det.vdp_src_en, en);
        property_enable(base, &rphy->phy_cfg->chg_det.idm_sink_en, en);
}

static void rockchip_chg_enable_secondary_det(struct rockchip_usb2phy *rphy,
                                              bool en)
{
        struct regmap *base = get_reg_base(rphy);

        property_enable(base, &rphy->phy_cfg->chg_det.vdm_src_en, en);
        property_enable(base, &rphy->phy_cfg->chg_det.idp_sink_en, en);
}

#define CHG_DCD_POLL_TIME       (100 * HZ / 1000)
#define CHG_DCD_MAX_RETRIES     6
#define CHG_PRIMARY_DET_TIME    (40 * HZ / 1000)
#define CHG_SECONDARY_DET_TIME  (40 * HZ / 1000)
static void rockchip_chg_detect_work(struct work_struct *work)
{
        struct rockchip_usb2phy_port *rport =
                container_of(work, struct rockchip_usb2phy_port, chg_work.work);
        struct rockchip_usb2phy *rphy = dev_get_drvdata(rport->phy->dev.parent);
        struct regmap *base = get_reg_base(rphy);
        bool is_dcd, tmout, vout, vbus_attach;
        unsigned long delay;

        vbus_attach = property_enabled(rphy->grf, &rport->port_cfg->utmi_bvalid);

        dev_dbg(&rport->phy->dev, "chg detection work state = %d\n",
                rphy->chg_state);
        switch (rphy->chg_state) {
        case USB_CHG_STATE_UNDEFINED:
                if (!rport->suspended && !vbus_attach)
                        rockchip_usb2phy_power_off(rport->phy);
                /* put the controller in non-driving mode */
                if (!vbus_attach)
                        property_enable(base, &rphy->phy_cfg->chg_det.opmode, false);
                /* Start DCD processing stage 1 */
                rockchip_chg_enable_dcd(rphy, true);
                rphy->chg_state = USB_CHG_STATE_WAIT_FOR_DCD;
                rphy->dcd_retries = 0;
                delay = CHG_DCD_POLL_TIME;
                break;
        case USB_CHG_STATE_WAIT_FOR_DCD:
                /* get data contact detection status */
                is_dcd = property_enabled(rphy->grf,
                                          &rphy->phy_cfg->chg_det.dp_det);
                tmout = ++rphy->dcd_retries == CHG_DCD_MAX_RETRIES;
                /* stage 2 */
                if (is_dcd || tmout) {
                        /* stage 4 */
                        /* Turn off DCD circuitry */
                        rockchip_chg_enable_dcd(rphy, false);
                        /* Voltage Source on DP, Probe on DM */
                        rockchip_chg_enable_primary_det(rphy, true);
                        delay = CHG_PRIMARY_DET_TIME;
                        rphy->chg_state = USB_CHG_STATE_DCD_DONE;
                } else {
                        /* stage 3 */
                        delay = CHG_DCD_POLL_TIME;
                }
                break;
        case USB_CHG_STATE_DCD_DONE:
                vout = property_enabled(rphy->grf,
                                        &rphy->phy_cfg->chg_det.cp_det);
                rockchip_chg_enable_primary_det(rphy, false);
                if (vout) {
                        /* Voltage Source on DM, Probe on DP  */
                        rockchip_chg_enable_secondary_det(rphy, true);
                        delay = CHG_SECONDARY_DET_TIME;
                        rphy->chg_state = USB_CHG_STATE_PRIMARY_DONE;
                } else {
                        if (rphy->dcd_retries == CHG_DCD_MAX_RETRIES) {
                                /* floating charger found */
                                rphy->chg_type = POWER_SUPPLY_TYPE_USB_DCP;
                                rphy->chg_state = USB_CHG_STATE_DETECTED;
                                delay = 0;
                        } else {
                                rphy->chg_type = POWER_SUPPLY_TYPE_USB;
                                rphy->chg_state = USB_CHG_STATE_DETECTED;
                                delay = 0;
                        }
                }
                break;
        case USB_CHG_STATE_PRIMARY_DONE:
                vout = property_enabled(rphy->grf,
                                        &rphy->phy_cfg->chg_det.dcp_det);
                /* Turn off voltage source */
                rockchip_chg_enable_secondary_det(rphy, false);
                if (vout)
                        rphy->chg_type = POWER_SUPPLY_TYPE_USB_DCP;
                else
                        rphy->chg_type = POWER_SUPPLY_TYPE_USB_CDP;
                fallthrough;
        case USB_CHG_STATE_SECONDARY_DONE:
                rphy->chg_state = USB_CHG_STATE_DETECTED;
                fallthrough;
        case USB_CHG_STATE_DETECTED:
                /* put the controller in normal mode */
                if (!vbus_attach)
                        property_enable(base, &rphy->phy_cfg->chg_det.opmode, true);
                rockchip_usb2phy_otg_sm_work(&rport->otg_sm_work.work);
                dev_dbg(&rport->phy->dev, "charger = %s\n",
                         chg_to_string(rphy->chg_type));
                return;
        default:
                return;
        }

        schedule_delayed_work(&rport->chg_work, delay);
}

/*
 * The function manage host-phy port state and suspend/resume phy port
 * to save power.
 *
 * we rely on utmi_linestate and utmi_hostdisconnect to identify whether
 * devices is disconnect or not. Besides, we do not need care it is FS/LS
 * disconnected or HS disconnected, actually, we just only need get the
 * device is disconnected at last through rearm the delayed work,
 * to suspend the phy port in _PHY_STATE_DISCONNECT_ case.
 *
 * NOTE: It may invoke *phy_powr_off or *phy_power_on which will invoke
 * some clk related APIs, so do not invoke it from interrupt context directly.
 */
static void rockchip_usb2phy_sm_work(struct work_struct *work)
{
        struct rockchip_usb2phy_port *rport =
                container_of(work, struct rockchip_usb2phy_port, sm_work.work);
        struct rockchip_usb2phy *rphy = dev_get_drvdata(rport->phy->dev.parent);
        unsigned int sh, ul, uhd, state;
        unsigned int ul_mask, uhd_mask;
        int ret;

        mutex_lock(&rport->mutex);

        ret = regmap_read(rphy->grf, rport->port_cfg->utmi_ls.offset, &ul);
        if (ret < 0)
                goto next_schedule;

        ul_mask = GENMASK(rport->port_cfg->utmi_ls.bitend,
                          rport->port_cfg->utmi_ls.bitstart);

        if (rport->port_cfg->utmi_hstdet.offset) {
                ret = regmap_read(rphy->grf, rport->port_cfg->utmi_hstdet.offset, &uhd);
                if (ret < 0)
                        goto next_schedule;

                uhd_mask = GENMASK(rport->port_cfg->utmi_hstdet.bitend,
                                   rport->port_cfg->utmi_hstdet.bitstart);

                sh = rport->port_cfg->utmi_hstdet.bitend -
                     rport->port_cfg->utmi_hstdet.bitstart + 1;
                /* stitch on utmi_ls and utmi_hstdet as phy state */
                state = ((uhd & uhd_mask) >> rport->port_cfg->utmi_hstdet.bitstart) |
                        (((ul & ul_mask) >> rport->port_cfg->utmi_ls.bitstart) << sh);
        } else {
                state = ((ul & ul_mask) >> rport->port_cfg->utmi_ls.bitstart) << 1 |
                        rport->host_disconnect;
        }

        switch (state) {
        case PHY_STATE_HS_ONLINE:
                dev_dbg(&rport->phy->dev, "HS online\n");
                break;
        case PHY_STATE_FS_LS_ONLINE:
                /*
                 * For FS/LS device, the online state share with connect state
                 * from utmi_ls and utmi_hstdet register, so we distinguish
                 * them via suspended flag.
                 *
                 * Plus, there are two cases, one is D- Line pull-up, and D+
                 * line pull-down, the state is 4; another is D+ line pull-up,
                 * and D- line pull-down, the state is 2.
                 */
                if (!rport->suspended) {
                        /* D- line pull-up, D+ line pull-down */
                        dev_dbg(&rport->phy->dev, "FS/LS online\n");
                        break;
                }
                fallthrough;
        case PHY_STATE_CONNECT:
                if (rport->suspended) {
                        dev_dbg(&rport->phy->dev, "Connected\n");
                        rockchip_usb2phy_power_on(rport->phy);
                        rport->suspended = false;
                } else {
                        /* D+ line pull-up, D- line pull-down */
                        dev_dbg(&rport->phy->dev, "FS/LS online\n");
                }
                break;
        case PHY_STATE_DISCONNECT:
                if (!rport->suspended) {
                        dev_dbg(&rport->phy->dev, "Disconnected\n");
                        rockchip_usb2phy_power_off(rport->phy);
                        rport->suspended = true;
                }

                /*
                 * activate the linestate detection to get the next device
                 * plug-in irq.
                 */
                property_enable(rphy->grf, &rport->port_cfg->ls_det_clr, true);
                property_enable(rphy->grf, &rport->port_cfg->ls_det_en, true);

                /*
                 * we don't need to rearm the delayed work when the phy port
                 * is suspended.
                 */
                mutex_unlock(&rport->mutex);
                return;
        default:
                dev_dbg(&rport->phy->dev, "unknown phy state\n");
                break;
        }

next_schedule:
        mutex_unlock(&rport->mutex);
        schedule_delayed_work(&rport->sm_work, SCHEDULE_DELAY);
}

static irqreturn_t rockchip_usb2phy_linestate_irq(int irq, void *data)
{
        struct rockchip_usb2phy_port *rport = data;
        struct rockchip_usb2phy *rphy = dev_get_drvdata(rport->phy->dev.parent);

        if (!property_enabled(rphy->grf, &rport->port_cfg->ls_det_st))
                return IRQ_NONE;

        mutex_lock(&rport->mutex);

        /* disable linestate detect irq and clear its status */
        property_enable(rphy->grf, &rport->port_cfg->ls_det_en, false);
        property_enable(rphy->grf, &rport->port_cfg->ls_det_clr, true);

        mutex_unlock(&rport->mutex);

        /*
         * In this case for host phy port, a new device is plugged in,
         * meanwhile, if the phy port is suspended, we need rearm the work to
         * resume it and mange its states; otherwise, we do nothing about that.
         */
        if (rport->suspended && rport->port_id == USB2PHY_PORT_HOST)
                rockchip_usb2phy_sm_work(&rport->sm_work.work);

        return IRQ_HANDLED;
}

static irqreturn_t rockchip_usb2phy_bvalid_irq(int irq, void *data)
{
        struct rockchip_usb2phy_port *rport = data;
        struct rockchip_usb2phy *rphy = dev_get_drvdata(rport->phy->dev.parent);

        if (!property_enabled(rphy->grf, &rport->port_cfg->bvalid_det_st))
                return IRQ_NONE;

        /* clear bvalid detect irq pending status */
        property_enable(rphy->grf, &rport->port_cfg->bvalid_det_clr, true);

        rockchip_usb2phy_otg_sm_work(&rport->otg_sm_work.work);

        return IRQ_HANDLED;
}

static irqreturn_t rockchip_usb2phy_id_irq(int irq, void *data)
{
        struct rockchip_usb2phy_port *rport = data;
        struct rockchip_usb2phy *rphy = dev_get_drvdata(rport->phy->dev.parent);
        bool id;

        if (!property_enabled(rphy->grf, &rport->port_cfg->idfall_det_st) &&
            !property_enabled(rphy->grf, &rport->port_cfg->idrise_det_st))
                return IRQ_NONE;

        /* clear id detect irq pending status */
        if (property_enabled(rphy->grf, &rport->port_cfg->idfall_det_st))
                property_enable(rphy->grf, &rport->port_cfg->idfall_det_clr, true);

        if (property_enabled(rphy->grf, &rport->port_cfg->idrise_det_st))
                property_enable(rphy->grf, &rport->port_cfg->idrise_det_clr, true);

        id = property_enabled(rphy->grf, &rport->port_cfg->utmi_id);
        extcon_set_state_sync(rphy->edev, EXTCON_USB_HOST, !id);

        return IRQ_HANDLED;
}

static irqreturn_t rockchip_usb2phy_otg_mux_irq(int irq, void *data)
{
        irqreturn_t ret = IRQ_NONE;

        ret |= rockchip_usb2phy_bvalid_irq(irq, data);
        ret |= rockchip_usb2phy_id_irq(irq, data);

        return ret;
}

static irqreturn_t rockchip_usb2phy_host_disc_irq(int irq, void *data)
{
        struct rockchip_usb2phy_port *rport = data;
        struct rockchip_usb2phy *rphy = dev_get_drvdata(rport->phy->dev.parent);

        if (!property_enabled(rphy->grf, &rport->port_cfg->disfall_st) &&
            !property_enabled(rphy->grf, &rport->port_cfg->disrise_st))
                return IRQ_NONE;

        mutex_lock(&rport->mutex);

        /* clear disconnect fall or rise detect irq pending status */
        if (property_enabled(rphy->grf, &rport->port_cfg->disfall_st)) {
                property_enable(rphy->grf, &rport->port_cfg->disfall_clr, true);
                rport->host_disconnect = false;
        } else if (property_enabled(rphy->grf, &rport->port_cfg->disrise_st)) {
                property_enable(rphy->grf, &rport->port_cfg->disrise_clr, true);
                rport->host_disconnect = true;
        }

        mutex_unlock(&rport->mutex);

        return IRQ_HANDLED;
}

static irqreturn_t rockchip_usb2phy_irq(int irq, void *data)
{
        struct rockchip_usb2phy *rphy = data;
        struct rockchip_usb2phy_port *rport;
        irqreturn_t ret = IRQ_NONE;
        unsigned int index;

        for (index = 0; index < rphy->phy_cfg->num_ports; index++) {
                rport = &rphy->ports[index];
                if (!rport->phy)
                        continue;

                if (rport->port_id == USB2PHY_PORT_HOST &&
                    rport->port_cfg->disfall_en.offset)
                        ret |= rockchip_usb2phy_host_disc_irq(irq, rport);

                switch (rport->port_id) {
                case USB2PHY_PORT_OTG:
                        if (rport->mode != USB_DR_MODE_HOST &&
                            rport->mode != USB_DR_MODE_UNKNOWN)
                                ret |= rockchip_usb2phy_otg_mux_irq(irq, rport);
                        break;
                case USB2PHY_PORT_HOST:
                        ret |= rockchip_usb2phy_linestate_irq(irq, rport);
                        break;
                }
        }

        return ret;
}

static int rockchip_usb2phy_port_irq_init(struct rockchip_usb2phy *rphy,
                                          struct rockchip_usb2phy_port *rport,
                                          struct device_node *child_np)
{
        int ret;

        /*
         * If the usb2 phy used combined irq for otg and host port,
         * don't need to init otg and host port irq separately.
         */
        if (rphy->irq > 0)
                return 0;

        switch (rport->port_id) {
        case USB2PHY_PORT_HOST:
                rport->ls_irq = of_irq_get_byname(child_np, "linestate");
                if (rport->ls_irq < 0) {
                        dev_err(rphy->dev, "no linestate irq provided\n");
                        return rport->ls_irq;
                }

                ret = devm_request_threaded_irq(rphy->dev, rport->ls_irq, NULL,
                                                rockchip_usb2phy_linestate_irq,
                                                IRQF_ONESHOT,
                                                "rockchip_usb2phy", rport);
                if (ret) {
                        dev_err(rphy->dev, "failed to request linestate irq handle\n");
                        return ret;
                }
                break;
        case USB2PHY_PORT_OTG:
                /*
                 * Some SoCs use one interrupt with otg-id/otg-bvalid/linestate
                 * interrupts muxed together, so probe the otg-mux interrupt first,
                 * if not found, then look for the regular interrupts one by one.
                 */
                rport->otg_mux_irq = of_irq_get_byname(child_np, "otg-mux");
                if (rport->otg_mux_irq > 0) {
                        ret = devm_request_threaded_irq(rphy->dev, rport->otg_mux_irq,
                                                        NULL,
                                                        rockchip_usb2phy_otg_mux_irq,
                                                        IRQF_ONESHOT,
                                                        "rockchip_usb2phy_otg",
                                                        rport);
                        if (ret) {
                                dev_err(rphy->dev,
                                        "failed to request otg-mux irq handle\n");
                                return ret;
                        }
                } else {
                        rport->bvalid_irq = of_irq_get_byname(child_np, "otg-bvalid");
                        if (rport->bvalid_irq < 0) {
                                dev_err(rphy->dev, "no vbus valid irq provided\n");
                                ret = rport->bvalid_irq;
                                return ret;
                        }

                        ret = devm_request_threaded_irq(rphy->dev, rport->bvalid_irq,
                                                        NULL,
                                                        rockchip_usb2phy_bvalid_irq,
                                                        IRQF_ONESHOT,
                                                        "rockchip_usb2phy_bvalid",
                                                        rport);
                        if (ret) {
                                dev_err(rphy->dev,
                                        "failed to request otg-bvalid irq handle\n");
                                return ret;
                        }

                        rport->id_irq = of_irq_get_byname(child_np, "otg-id");
                        if (rport->id_irq < 0) {
                                dev_err(rphy->dev, "no otg-id irq provided\n");
                                ret = rport->id_irq;
                                return ret;
                        }

                        ret = devm_request_threaded_irq(rphy->dev, rport->id_irq,
                                                        NULL,
                                                        rockchip_usb2phy_id_irq,
                                                        IRQF_ONESHOT,
                                                        "rockchip_usb2phy_id",
                                                        rport);
                        if (ret) {
                                dev_err(rphy->dev,
                                        "failed to request otg-id irq handle\n");
                                return ret;
                        }
                }
                break;
        default:
                return -EINVAL;
        }

        return 0;
}

static int rockchip_usb2phy_host_port_init(struct rockchip_usb2phy *rphy,
                                           struct rockchip_usb2phy_port *rport,
                                           struct device_node *child_np)
{
        int ret;

        rport->port_id = USB2PHY_PORT_HOST;
        rport->port_cfg = &rphy->phy_cfg->port_cfgs[USB2PHY_PORT_HOST];
        rport->suspended = true;

        mutex_init(&rport->mutex);
        INIT_DELAYED_WORK(&rport->sm_work, rockchip_usb2phy_sm_work);

        ret = rockchip_usb2phy_port_irq_init(rphy, rport, child_np);
        if (ret) {
                dev_err(rphy->dev, "failed to setup host irq\n");
                return ret;
        }

        return 0;
}

static int rockchip_otg_event(struct notifier_block *nb,
                              unsigned long event, void *ptr)
{
        struct rockchip_usb2phy_port *rport =
                container_of(nb, struct rockchip_usb2phy_port, event_nb);

        schedule_delayed_work(&rport->otg_sm_work, OTG_SCHEDULE_DELAY);

        return NOTIFY_DONE;
}

static int rockchip_usb2phy_otg_port_init(struct rockchip_usb2phy *rphy,
                                          struct rockchip_usb2phy_port *rport,
                                          struct device_node *child_np)
{
        int ret, id;

        rport->port_id = USB2PHY_PORT_OTG;
        rport->port_cfg = &rphy->phy_cfg->port_cfgs[USB2PHY_PORT_OTG];
        rport->state = OTG_STATE_UNDEFINED;

        /*
         * set suspended flag to true, but actually don't
         * put phy in suspend mode, it aims to enable usb
         * phy and clock in power_on() called by usb controller
         * driver during probe.
         */
        rport->suspended = true;
        rport->vbus_attached = false;

        mutex_init(&rport->mutex);

        rport->mode = of_usb_get_dr_mode_by_phy(child_np, -1);
        if (rport->mode == USB_DR_MODE_HOST ||
            rport->mode == USB_DR_MODE_UNKNOWN) {
                ret = 0;
                goto out;
        }

        INIT_DELAYED_WORK(&rport->chg_work, rockchip_chg_detect_work);
        INIT_DELAYED_WORK(&rport->otg_sm_work, rockchip_usb2phy_otg_sm_work);

        ret = rockchip_usb2phy_port_irq_init(rphy, rport, child_np);
        if (ret) {
                dev_err(rphy->dev, "failed to init irq for host port\n");
                goto out;
        }

        if (!IS_ERR(rphy->edev)) {
                rport->event_nb.notifier_call = rockchip_otg_event;

                ret = devm_extcon_register_notifier(rphy->dev, rphy->edev,
                                        EXTCON_USB_HOST, &rport->event_nb);
                if (ret) {
                        dev_err(rphy->dev, "register USB HOST notifier failed\n");
                        goto out;
                }

                if (!of_property_present(rphy->dev->of_node, "extcon")) {
                        /* do initial sync of usb state */
                        id = property_enabled(rphy->grf, &rport->port_cfg->utmi_id);
                        extcon_set_state_sync(rphy->edev, EXTCON_USB_HOST, !id);
                }
        }

out:
        return ret;
}

static int rockchip_usb2phy_probe(struct platform_device *pdev)
{
        struct device *dev = &pdev->dev;
        struct device_node *np = dev->of_node;
        struct device_node *child_np;
        struct phy_provider *provider;
        struct rockchip_usb2phy *rphy;
        const struct rockchip_usb2phy_cfg *phy_cfgs;
        unsigned int reg;
        int index = 0, ret;

        rphy = devm_kzalloc(dev, sizeof(*rphy), GFP_KERNEL);
        if (!rphy)
                return -ENOMEM;

        if (!dev->parent || !dev->parent->of_node) {
                rphy->grf = syscon_regmap_lookup_by_phandle(np, "rockchip,usbgrf");
                if (IS_ERR(rphy->grf)) {
                        dev_err(dev, "failed to locate usbgrf\n");
                        return PTR_ERR(rphy->grf);
                }
        } else {
                rphy->grf = syscon_node_to_regmap(dev->parent->of_node);
                if (IS_ERR(rphy->grf))
                        return PTR_ERR(rphy->grf);
        }

        if (of_device_is_compatible(np, "rockchip,rv1108-usb2phy")) {
                rphy->usbgrf =
                        syscon_regmap_lookup_by_phandle(dev->of_node,
                                                        "rockchip,usbgrf");
                if (IS_ERR(rphy->usbgrf))
                        return PTR_ERR(rphy->usbgrf);
        } else {
                rphy->usbgrf = NULL;
        }

        if (of_property_read_u32_index(np, "reg", 0, &reg)) {
                dev_err(dev, "the reg property is not assigned in %pOFn node\n", np);
                return -EINVAL;
        }

        /* support address_cells=2 */
        if (of_property_count_u32_elems(np, "reg") > 2 && reg == 0) {
                if (of_property_read_u32_index(np, "reg", 1, &reg)) {
                        dev_err(dev, "the reg property is not assigned in %pOFn node\n", np);
                        return -EINVAL;
                }
        }

        rphy->dev = dev;
        phy_cfgs = device_get_match_data(dev);
        rphy->chg_state = USB_CHG_STATE_UNDEFINED;
        rphy->chg_type = POWER_SUPPLY_TYPE_UNKNOWN;
        rphy->irq = platform_get_irq_optional(pdev, 0);
        platform_set_drvdata(pdev, rphy);

        if (!phy_cfgs)
                return dev_err_probe(dev, -EINVAL, "phy configs are not assigned!\n");

        ret = rockchip_usb2phy_extcon_register(rphy);
        if (ret)
                return ret;

        /* find a proper config that can be matched with the DT */
        do {
                if (phy_cfgs[index].reg == reg) {
                        rphy->phy_cfg = &phy_cfgs[index];
                        break;
                }

                ++index;
        } while (phy_cfgs[index].reg);

        if (!rphy->phy_cfg) {
                dev_err(dev, "could not find phy config for reg=0x%08x\n", reg);
                return -EINVAL;
        }

        rphy->phy_reset = devm_reset_control_get_optional(dev, "phy");
        if (IS_ERR(rphy->phy_reset))
                return PTR_ERR(rphy->phy_reset);

        ret = devm_clk_bulk_get_all(dev, &rphy->clks);
        if (ret == -EPROBE_DEFER)
                return dev_err_probe(&pdev->dev, -EPROBE_DEFER,
                                     "failed to get phy clock\n");

        /* Clocks are optional */
        rphy->num_clks = ret < 0 ? 0 : ret;

        ret = rockchip_usb2phy_clk480m_register(rphy);
        if (ret)
                return dev_err_probe(dev, ret, "failed to register 480m output clock\n");

        ret = clk_bulk_prepare_enable(rphy->num_clks, rphy->clks);
        if (ret)
                return dev_err_probe(dev, ret, "failed to enable phy clock\n");

        ret = devm_add_action_or_reset(dev, rockchip_usb2phy_clk_bulk_disable, rphy);
        if (ret)
                return ret;

        if (rphy->phy_cfg->phy_tuning) {
                ret = rphy->phy_cfg->phy_tuning(rphy);
                if (ret)
                        return ret;
        }

        index = 0;
        for_each_available_child_of_node(np, child_np) {
                struct rockchip_usb2phy_port *rport = &rphy->ports[index];
                struct phy *phy;

                /* This driver aims to support both otg-port and host-port */
                if (!of_node_name_eq(child_np, "host-port") &&
                    !of_node_name_eq(child_np, "otg-port"))
                        goto next_child;

                phy = devm_phy_create(dev, child_np, &rockchip_usb2phy_ops);
                if (IS_ERR(phy)) {
                        ret = dev_err_probe(dev, PTR_ERR(phy), "failed to create phy\n");
                        goto put_child;
                }

                rport->phy = phy;
                phy_set_drvdata(rport->phy, rport);

                /* initialize otg/host port separately */
                if (of_node_name_eq(child_np, "host-port")) {
                        ret = rockchip_usb2phy_host_port_init(rphy, rport, child_np);
                        if (ret)
                                goto put_child;
                } else {
                        ret = rockchip_usb2phy_otg_port_init(rphy, rport, child_np);
                        if (ret)
                                goto put_child;
                }

next_child:
                /* to prevent out of boundary */
                if (++index >= rphy->phy_cfg->num_ports) {
                        of_node_put(child_np);
                        break;
                }
        }

        provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);

        if (rphy->irq > 0) {
                ret = devm_request_threaded_irq(rphy->dev, rphy->irq, NULL,
                                                rockchip_usb2phy_irq,
                                                IRQF_ONESHOT,
                                                "rockchip_usb2phy",
                                                rphy);
                if (ret) {
                        dev_err_probe(rphy->dev, ret, "failed to request usb2phy irq handle\n");
                        return ret;
                }
        }

        return PTR_ERR_OR_ZERO(provider);

put_child:
        of_node_put(child_np);
        return ret;
}

static int rk3128_usb2phy_tuning(struct rockchip_usb2phy *rphy)
{
        /* Turn off differential receiver in suspend mode */
        return regmap_write_bits(rphy->grf, 0x298,
                                BIT(2) << BIT_WRITEABLE_SHIFT | BIT(2),
                                BIT(2) << BIT_WRITEABLE_SHIFT | 0);
}

static int rk3576_usb2phy_tuning(struct rockchip_usb2phy *rphy)
{
        int ret;
        u32 reg = rphy->phy_cfg->reg;

        /* Deassert SIDDQ to power on analog block */
        ret = regmap_write(rphy->grf, reg + 0x0010, GENMASK(29, 29) | 0x0000);
        if (ret)
                return ret;

        /* Do reset after exit IDDQ mode */
        ret = rockchip_usb2phy_reset(rphy);
        if (ret)
                return ret;

        /* HS DC Voltage Level Adjustment 4'b1001 : +5.89% */
        ret |= regmap_write(rphy->grf, reg + 0x000c, GENMASK(27, 24) | 0x0900);

        /* HS Transmitter Pre-Emphasis Current Control 2'b10 : 2x */
        ret |= regmap_write(rphy->grf, reg + 0x0010, GENMASK(20, 19) | 0x0010);

        return ret;
}

static int rk3588_usb2phy_tuning(struct rockchip_usb2phy *rphy)
{
        int ret;
        bool usb3otg = false;
        /*
         * utmi_termselect = 1'b1 (en FS terminations)
         * utmi_xcvrselect = 2'b01 (FS transceiver)
         */
        int suspend_cfg = 0x14;

        if (rphy->phy_cfg->reg == 0x0000 || rphy->phy_cfg->reg == 0x4000) {
                /* USB2 config for USB3_0 and USB3_1 */
                suspend_cfg |= 0x01; /* utmi_opmode = 2'b01 (no-driving) */
                usb3otg = true;
        } else if (rphy->phy_cfg->reg == 0x8000 || rphy->phy_cfg->reg == 0xc000) {
                /* USB2 config for USB2_0 and USB2_1 */
                suspend_cfg |= 0x00; /* utmi_opmode = 2'b00 (normal) */
        } else {
                return -EINVAL;
        }

        /* Deassert SIDDQ to power on analog block */
        ret = regmap_write(rphy->grf, 0x0008, GENMASK(29, 29) | 0x0000);
        if (ret)
                return ret;

        /* Do reset after exit IDDQ mode */
        ret = rockchip_usb2phy_reset(rphy);
        if (ret)
                return ret;

        /* suspend configuration */
        ret |= regmap_write(rphy->grf, 0x000c, GENMASK(20, 16) | suspend_cfg);

        /* HS DC Voltage Level Adjustment 4'b1001 : +5.89% */
        ret |= regmap_write(rphy->grf, 0x0004, GENMASK(27, 24) | 0x0900);

        /* HS Transmitter Pre-Emphasis Current Control 2'b10 : 2x */
        ret |= regmap_write(rphy->grf, 0x0008, GENMASK(20, 19) | 0x0010);

        if (!usb3otg)
                return ret;

        /* Pullup iddig pin for USB3_0 OTG mode */
        ret |= regmap_write(rphy->grf, 0x0010, GENMASK(17, 16) | 0x0003);

        return ret;
}

static const struct rockchip_usb2phy_cfg rk3036_phy_cfgs[] = {
        {
                .reg = 0x17c,
                .num_ports      = 2,
                .phy_tuning     = rk3128_usb2phy_tuning,
                .clkout_ctl     = { 0x017c, 11, 11, 1, 0 },
                .port_cfgs      = {
                        [USB2PHY_PORT_OTG] = {
                                .phy_sus        = { 0x017c, 8, 0, 0, 0x1d1 },
                                .bvalid_det_en  = { 0x017c, 14, 14, 0, 1 },
                                .bvalid_det_st  = { 0x017c, 15, 15, 0, 1 },
                                .bvalid_det_clr = { 0x017c, 15, 15, 0, 1 },
                                .ls_det_en      = { 0x017c, 12, 12, 0, 1 },
                                .ls_det_st      = { 0x017c, 13, 13, 0, 1 },
                                .ls_det_clr     = { 0x017c, 13, 13, 0, 1 },
                                .utmi_bvalid    = { 0x014c, 8, 8, 0, 1 },
                                .utmi_id        = { 0x014c, 11, 11, 0, 1 },
                                .utmi_ls        = { 0x014c, 10, 9, 0, 1 },

                        },
                        [USB2PHY_PORT_HOST] = {
                                .phy_sus        = { 0x0194, 8, 0, 0, 0x1d1 },
                                .ls_det_en      = { 0x0194, 14, 14, 0, 1 },
                                .ls_det_st      = { 0x0194, 15, 15, 0, 1 },
                                .ls_det_clr     = { 0x0194, 15, 15, 0, 1 }
                        }
                },
        },
        { /* sentinel */ }
};

static const struct rockchip_usb2phy_cfg rk3128_phy_cfgs[] = {
        {
                .reg = 0x17c,
                .num_ports      = 2,
                .phy_tuning     = rk3128_usb2phy_tuning,
                .clkout_ctl     = { 0x0190, 15, 15, 1, 0 },
                .port_cfgs      = {
                        [USB2PHY_PORT_OTG] = {
                                .phy_sus        = { 0x017c, 8, 0, 0, 0x1d1 },
                                .bvalid_det_en  = { 0x017c, 14, 14, 0, 1 },
                                .bvalid_det_st  = { 0x017c, 15, 15, 0, 1 },
                                .bvalid_det_clr = { 0x017c, 15, 15, 0, 1 },
                                .idfall_det_en  = { 0x01a0, 2, 2, 0, 1 },
                                .idfall_det_st  = { 0x01a0, 3, 3, 0, 1 },
                                .idfall_det_clr = { 0x01a0, 3, 3, 0, 1 },
                                .idrise_det_en  = { 0x01a0, 0, 0, 0, 1 },
                                .idrise_det_st  = { 0x01a0, 1, 1, 0, 1 },
                                .idrise_det_clr = { 0x01a0, 1, 1, 0, 1 },
                                .ls_det_en      = { 0x017c, 12, 12, 0, 1 },
                                .ls_det_st      = { 0x017c, 13, 13, 0, 1 },
                                .ls_det_clr     = { 0x017c, 13, 13, 0, 1 },
                                .utmi_bvalid    = { 0x014c, 5, 5, 0, 1 },
                                .utmi_id        = { 0x014c, 8, 8, 0, 1 },
                                .utmi_ls        = { 0x014c, 7, 6, 0, 1 },
                        },
                        [USB2PHY_PORT_HOST] = {
                                .phy_sus        = { 0x0194, 8, 0, 0, 0x1d1 },
                                .ls_det_en      = { 0x0194, 14, 14, 0, 1 },
                                .ls_det_st      = { 0x0194, 15, 15, 0, 1 },
                                .ls_det_clr     = { 0x0194, 15, 15, 0, 1 }
                        }
                },
                .chg_det = {
                        .opmode         = { 0x017c, 3, 0, 5, 1 },
                        .cp_det         = { 0x02c0, 6, 6, 0, 1 },
                        .dcp_det        = { 0x02c0, 5, 5, 0, 1 },
                        .dp_det         = { 0x02c0, 7, 7, 0, 1 },
                        .idm_sink_en    = { 0x0184, 8, 8, 0, 1 },
                        .idp_sink_en    = { 0x0184, 7, 7, 0, 1 },
                        .idp_src_en     = { 0x0184, 9, 9, 0, 1 },
                        .rdm_pdwn_en    = { 0x0184, 10, 10, 0, 1 },
                        .vdm_src_en     = { 0x0184, 12, 12, 0, 1 },
                        .vdp_src_en     = { 0x0184, 11, 11, 0, 1 },
                },
        },
        { /* sentinel */ }
};

static const struct rockchip_usb2phy_cfg rk3228_phy_cfgs[] = {
        {
                .reg = 0x760,
                .num_ports      = 2,
                .clkout_ctl     = { 0x0768, 4, 4, 1, 0 },
                .port_cfgs      = {
                        [USB2PHY_PORT_OTG] = {
                                .phy_sus        = { 0x0760, 15, 0, 0, 0x1d1 },
                                .bvalid_det_en  = { 0x0680, 3, 3, 0, 1 },
                                .bvalid_det_st  = { 0x0690, 3, 3, 0, 1 },
                                .bvalid_det_clr = { 0x06a0, 3, 3, 0, 1 },
                                .idfall_det_en  = { 0x0680, 6, 6, 0, 1 },
                                .idfall_det_st  = { 0x0690, 6, 6, 0, 1 },
                                .idfall_det_clr = { 0x06a0, 6, 6, 0, 1 },
                                .idrise_det_en  = { 0x0680, 5, 5, 0, 1 },
                                .idrise_det_st  = { 0x0690, 5, 5, 0, 1 },
                                .idrise_det_clr = { 0x06a0, 5, 5, 0, 1 },
                                .ls_det_en      = { 0x0680, 2, 2, 0, 1 },
                                .ls_det_st      = { 0x0690, 2, 2, 0, 1 },
                                .ls_det_clr     = { 0x06a0, 2, 2, 0, 1 },
                                .utmi_bvalid    = { 0x0480, 4, 4, 0, 1 },
                                .utmi_id        = { 0x0480, 1, 1, 0, 1 },
                                .utmi_ls        = { 0x0480, 3, 2, 0, 1 },
                        },
                        [USB2PHY_PORT_HOST] = {
                                .phy_sus        = { 0x0764, 15, 0, 0, 0x1d1 },
                                .ls_det_en      = { 0x0680, 4, 4, 0, 1 },
                                .ls_det_st      = { 0x0690, 4, 4, 0, 1 },
                                .ls_det_clr     = { 0x06a0, 4, 4, 0, 1 }
                        }
                },
                .chg_det = {
                        .opmode         = { 0x0760, 3, 0, 5, 1 },
                        .cp_det         = { 0x0884, 4, 4, 0, 1 },
                        .dcp_det        = { 0x0884, 3, 3, 0, 1 },
                        .dp_det         = { 0x0884, 5, 5, 0, 1 },
                        .idm_sink_en    = { 0x0768, 8, 8, 0, 1 },
                        .idp_sink_en    = { 0x0768, 7, 7, 0, 1 },
                        .idp_src_en     = { 0x0768, 9, 9, 0, 1 },
                        .rdm_pdwn_en    = { 0x0768, 10, 10, 0, 1 },
                        .vdm_src_en     = { 0x0768, 12, 12, 0, 1 },
                        .vdp_src_en     = { 0x0768, 11, 11, 0, 1 },
                },
        },
        {
                .reg = 0x800,
                .num_ports      = 2,
                .clkout_ctl     = { 0x0808, 4, 4, 1, 0 },
                .port_cfgs      = {
                        [USB2PHY_PORT_OTG] = {
                                .phy_sus        = { 0x800, 15, 0, 0, 0x1d1 },
                                .ls_det_en      = { 0x0684, 0, 0, 0, 1 },
                                .ls_det_st      = { 0x0694, 0, 0, 0, 1 },
                                .ls_det_clr     = { 0x06a4, 0, 0, 0, 1 }
                        },
                        [USB2PHY_PORT_HOST] = {
                                .phy_sus        = { 0x804, 15, 0, 0, 0x1d1 },
                                .ls_det_en      = { 0x0684, 1, 1, 0, 1 },
                                .ls_det_st      = { 0x0694, 1, 1, 0, 1 },
                                .ls_det_clr     = { 0x06a4, 1, 1, 0, 1 }
                        }
                },
        },
        { /* sentinel */ }
};

static const struct rockchip_usb2phy_cfg rk3308_phy_cfgs[] = {
        {
                .reg = 0x100,
                .num_ports      = 2,
                .clkout_ctl     = { 0x108, 4, 4, 1, 0 },
                .port_cfgs      = {
                        [USB2PHY_PORT_OTG] = {
                                .phy_sus        = { 0x0100, 8, 0, 0, 0x1d1 },
                                .bvalid_det_en  = { 0x3020, 3, 2, 0, 3 },
                                .bvalid_det_st  = { 0x3024, 3, 2, 0, 3 },
                                .bvalid_det_clr = { 0x3028, 3, 2, 0, 3 },
                                .idfall_det_en  = { 0x3020, 5, 5, 0, 1 },
                                .idfall_det_st  = { 0x3024, 5, 5, 0, 1 },
                                .idfall_det_clr = { 0x3028, 5, 5, 0, 1 },
                                .idrise_det_en  = { 0x3020, 4, 4, 0, 1 },
                                .idrise_det_st  = { 0x3024, 4, 4, 0, 1 },
                                .idrise_det_clr = { 0x3028, 4, 4, 0, 1 },
                                .ls_det_en      = { 0x3020, 0, 0, 0, 1 },
                                .ls_det_st      = { 0x3024, 0, 0, 0, 1 },
                                .ls_det_clr     = { 0x3028, 0, 0, 0, 1 },
                                .utmi_avalid    = { 0x0120, 10, 10, 0, 1 },
                                .utmi_bvalid    = { 0x0120, 9, 9, 0, 1 },
                                .utmi_id        = { 0x0120, 6, 6, 0, 1 },
                                .utmi_ls        = { 0x0120, 5, 4, 0, 1 },
                        },
                        [USB2PHY_PORT_HOST] = {
                                .phy_sus        = { 0x0104, 8, 0, 0, 0x1d1 },
                                .ls_det_en      = { 0x3020, 1, 1, 0, 1 },
                                .ls_det_st      = { 0x3024, 1, 1, 0, 1 },
                                .ls_det_clr     = { 0x3028, 1, 1, 0, 1 },
                                .utmi_ls        = { 0x0120, 17, 16, 0, 1 },
                                .utmi_hstdet    = { 0x0120, 19, 19, 0, 1 }
                        }
                },
                .chg_det = {
                        .opmode         = { 0x0100, 3, 0, 5, 1 },
                        .cp_det         = { 0x0120, 24, 24, 0, 1 },
                        .dcp_det        = { 0x0120, 23, 23, 0, 1 },
                        .dp_det         = { 0x0120, 25, 25, 0, 1 },
                        .idm_sink_en    = { 0x0108, 8, 8, 0, 1 },
                        .idp_sink_en    = { 0x0108, 7, 7, 0, 1 },
                        .idp_src_en     = { 0x0108, 9, 9, 0, 1 },
                        .rdm_pdwn_en    = { 0x0108, 10, 10, 0, 1 },
                        .vdm_src_en     = { 0x0108, 12, 12, 0, 1 },
                        .vdp_src_en     = { 0x0108, 11, 11, 0, 1 },
                },
        },
        { /* sentinel */ }
};

static const struct rockchip_usb2phy_cfg rk3328_phy_cfgs[] = {
        {
                .reg = 0x100,
                .num_ports      = 2,
                .clkout_ctl     = { 0x108, 4, 4, 1, 0 },
                .port_cfgs      = {
                        [USB2PHY_PORT_OTG] = {
                                .phy_sus        = { 0x0100, 15, 0, 0, 0x1d1 },
                                .bvalid_det_en  = { 0x0110, 3, 2, 0, 3 },
                                .bvalid_det_st  = { 0x0114, 3, 2, 0, 3 },
                                .bvalid_det_clr = { 0x0118, 3, 2, 0, 3 },
                                .idfall_det_en  = { 0x0110, 5, 5, 0, 1 },
                                .idfall_det_st  = { 0x0114, 5, 5, 0, 1 },
                                .idfall_det_clr = { 0x0118, 5, 5, 0, 1 },
                                .idrise_det_en  = { 0x0110, 4, 4, 0, 1 },
                                .idrise_det_st  = { 0x0114, 4, 4, 0, 1 },
                                .idrise_det_clr = { 0x0118, 4, 4, 0, 1 },
                                .ls_det_en      = { 0x0110, 0, 0, 0, 1 },
                                .ls_det_st      = { 0x0114, 0, 0, 0, 1 },
                                .ls_det_clr     = { 0x0118, 0, 0, 0, 1 },
                                .utmi_avalid    = { 0x0120, 10, 10, 0, 1 },
                                .utmi_bvalid    = { 0x0120, 9, 9, 0, 1 },
                                .utmi_id        = { 0x0120, 6, 6, 0, 1 },
                                .utmi_ls        = { 0x0120, 5, 4, 0, 1 },
                        },
                        [USB2PHY_PORT_HOST] = {
                                .phy_sus        = { 0x104, 15, 0, 0, 0x1d1 },
                                .ls_det_en      = { 0x110, 1, 1, 0, 1 },
                                .ls_det_st      = { 0x114, 1, 1, 0, 1 },
                                .ls_det_clr     = { 0x118, 1, 1, 0, 1 },
                                .utmi_ls        = { 0x120, 17, 16, 0, 1 },
                                .utmi_hstdet    = { 0x120, 19, 19, 0, 1 }
                        }
                },
                .chg_det = {
                        .opmode         = { 0x0100, 3, 0, 5, 1 },
                        .cp_det         = { 0x0120, 24, 24, 0, 1 },
                        .dcp_det        = { 0x0120, 23, 23, 0, 1 },
                        .dp_det         = { 0x0120, 25, 25, 0, 1 },
                        .idm_sink_en    = { 0x0108, 8, 8, 0, 1 },
                        .idp_sink_en    = { 0x0108, 7, 7, 0, 1 },
                        .idp_src_en     = { 0x0108, 9, 9, 0, 1 },
                        .rdm_pdwn_en    = { 0x0108, 10, 10, 0, 1 },
                        .vdm_src_en     = { 0x0108, 12, 12, 0, 1 },
                        .vdp_src_en     = { 0x0108, 11, 11, 0, 1 },
                },
        },
        { /* sentinel */ }
};

static const struct rockchip_usb2phy_cfg rk3366_phy_cfgs[] = {
        {
                .reg = 0x700,
                .num_ports      = 2,
                .clkout_ctl     = { 0x0724, 15, 15, 1, 0 },
                .port_cfgs      = {
                        [USB2PHY_PORT_HOST] = {
                                .phy_sus        = { 0x0728, 15, 0, 0, 0x1d1 },
                                .ls_det_en      = { 0x0680, 4, 4, 0, 1 },
                                .ls_det_st      = { 0x0690, 4, 4, 0, 1 },
                                .ls_det_clr     = { 0x06a0, 4, 4, 0, 1 },
                                .utmi_ls        = { 0x049c, 14, 13, 0, 1 },
                                .utmi_hstdet    = { 0x049c, 12, 12, 0, 1 }
                        }
                },
        },
        { /* sentinel */ }
};

static const struct rockchip_usb2phy_cfg rk3399_phy_cfgs[] = {
        {
                .reg            = 0xe450,
                .num_ports      = 2,
                .clkout_ctl     = { 0xe450, 4, 4, 1, 0 },
                .port_cfgs      = {
                        [USB2PHY_PORT_OTG] = {
                                .phy_sus        = { 0xe454, 1, 0, 2, 1 },
                                .bvalid_det_en  = { 0xe3c0, 3, 3, 0, 1 },
                                .bvalid_det_st  = { 0xe3e0, 3, 3, 0, 1 },
                                .bvalid_det_clr = { 0xe3d0, 3, 3, 0, 1 },
                                .idfall_det_en  = { 0xe3c0, 5, 5, 0, 1 },
                                .idfall_det_st  = { 0xe3e0, 5, 5, 0, 1 },
                                .idfall_det_clr = { 0xe3d0, 5, 5, 0, 1 },
                                .idrise_det_en  = { 0xe3c0, 4, 4, 0, 1 },
                                .idrise_det_st  = { 0xe3e0, 4, 4, 0, 1 },
                                .idrise_det_clr = { 0xe3d0, 4, 4, 0, 1 },
                                .utmi_avalid    = { 0xe2ac, 7, 7, 0, 1 },
                                .utmi_bvalid    = { 0xe2ac, 12, 12, 0, 1 },
                                .utmi_id        = { 0xe2ac, 8, 8, 0, 1 },
                        },
                        [USB2PHY_PORT_HOST] = {
                                .phy_sus        = { 0xe458, 1, 0, 0x2, 0x1 },
                                .ls_det_en      = { 0xe3c0, 6, 6, 0, 1 },
                                .ls_det_st      = { 0xe3e0, 6, 6, 0, 1 },
                                .ls_det_clr     = { 0xe3d0, 6, 6, 0, 1 },
                                .utmi_ls        = { 0xe2ac, 22, 21, 0, 1 },
                                .utmi_hstdet    = { 0xe2ac, 23, 23, 0, 1 }
                        }
                },
                .chg_det = {
                        .opmode         = { 0xe454, 3, 0, 5, 1 },
                        .cp_det         = { 0xe2ac, 2, 2, 0, 1 },
                        .dcp_det        = { 0xe2ac, 1, 1, 0, 1 },
                        .dp_det         = { 0xe2ac, 0, 0, 0, 1 },
                        .idm_sink_en    = { 0xe450, 8, 8, 0, 1 },
                        .idp_sink_en    = { 0xe450, 7, 7, 0, 1 },
                        .idp_src_en     = { 0xe450, 9, 9, 0, 1 },
                        .rdm_pdwn_en    = { 0xe450, 10, 10, 0, 1 },
                        .vdm_src_en     = { 0xe450, 12, 12, 0, 1 },
                        .vdp_src_en     = { 0xe450, 11, 11, 0, 1 },
                },
        },
        {
                .reg            = 0xe460,
                .num_ports      = 2,
                .clkout_ctl     = { 0xe460, 4, 4, 1, 0 },
                .port_cfgs      = {
                        [USB2PHY_PORT_OTG] = {
                                .phy_sus        = { 0xe464, 1, 0, 2, 1 },
                                .bvalid_det_en  = { 0xe3c0, 8, 8, 0, 1 },
                                .bvalid_det_st  = { 0xe3e0, 8, 8, 0, 1 },
                                .bvalid_det_clr = { 0xe3d0, 8, 8, 0, 1 },
                                .idfall_det_en  = { 0xe3c0, 10, 10, 0, 1 },
                                .idfall_det_st  = { 0xe3e0, 10, 10, 0, 1 },
                                .idfall_det_clr = { 0xe3d0, 10, 10, 0, 1 },
                                .idrise_det_en  = { 0xe3c0, 9, 9, 0, 1 },
                                .idrise_det_st  = { 0xe3e0, 9, 9, 0, 1 },
                                .idrise_det_clr = { 0xe3d0, 9, 9, 0, 1 },
                                .utmi_avalid    = { 0xe2ac, 10, 10, 0, 1 },
                                .utmi_bvalid    = { 0xe2ac, 16, 16, 0, 1 },
                                .utmi_id        = { 0xe2ac, 11, 11, 0, 1 },
                        },
                        [USB2PHY_PORT_HOST] = {
                                .phy_sus        = { 0xe468, 1, 0, 0x2, 0x1 },
                                .ls_det_en      = { 0xe3c0, 11, 11, 0, 1 },
                                .ls_det_st      = { 0xe3e0, 11, 11, 0, 1 },
                                .ls_det_clr     = { 0xe3d0, 11, 11, 0, 1 },
                                .utmi_ls        = { 0xe2ac, 26, 25, 0, 1 },
                                .utmi_hstdet    = { 0xe2ac, 27, 27, 0, 1 }
                        }
                },
        },
        { /* sentinel */ }
};

static const struct rockchip_usb2phy_cfg rk3562_phy_cfgs[] = {
        {
                .reg = 0xff740000,
                .num_ports      = 2,
                .clkout_ctl     = { 0x0108, 4, 4, 1, 0 },
                .port_cfgs      = {
                        [USB2PHY_PORT_OTG] = {
                                .phy_sus        = { 0x0100, 8, 0, 0, 0x1d1 },
                                .bvalid_det_en  = { 0x0110, 2, 2, 0, 1 },
                                .bvalid_det_st  = { 0x0114, 2, 2, 0, 1 },
                                .bvalid_det_clr = { 0x0118, 2, 2, 0, 1 },
                                .idfall_det_en  = { 0x0110, 5, 5, 0, 1 },
                                .idfall_det_st  = { 0x0114, 5, 5, 0, 1 },
                                .idfall_det_clr = { 0x0118, 5, 5, 0, 1 },
                                .idrise_det_en  = { 0x0110, 4, 4, 0, 1 },
                                .idrise_det_st  = { 0x0114, 4, 4, 0, 1 },
                                .idrise_det_clr = { 0x0118, 4, 4, 0, 1 },
                                .ls_det_en      = { 0x0110, 0, 0, 0, 1 },
                                .ls_det_st      = { 0x0114, 0, 0, 0, 1 },
                                .ls_det_clr     = { 0x0118, 0, 0, 0, 1 },
                                .utmi_avalid    = { 0x0120, 10, 10, 0, 1 },
                                .utmi_bvalid    = { 0x0120, 9, 9, 0, 1 },
                                .utmi_ls        = { 0x0120, 5, 4, 0, 1 },
                        },
                        [USB2PHY_PORT_HOST] = {
                                .phy_sus        = { 0x0104, 8, 0, 0x1d2, 0x1d1 },
                                .ls_det_en      = { 0x0110, 1, 1, 0, 1 },
                                .ls_det_st      = { 0x0114, 1, 1, 0, 1 },
                                .ls_det_clr     = { 0x0118, 1, 1, 0, 1 },
                                .utmi_ls        = { 0x0120, 17, 16, 0, 1 },
                                .utmi_hstdet    = { 0x0120, 19, 19, 0, 1 }
                        }
                },
                .chg_det = {
                        .cp_det         = { 0x0120, 24, 24, 0, 1 },
                        .dcp_det        = { 0x0120, 23, 23, 0, 1 },
                        .dp_det         = { 0x0120, 25, 25, 0, 1 },
                        .idm_sink_en    = { 0x0108, 8, 8, 0, 1 },
                        .idp_sink_en    = { 0x0108, 7, 7, 0, 1 },
                        .idp_src_en     = { 0x0108, 9, 9, 0, 1 },
                        .rdm_pdwn_en    = { 0x0108, 10, 10, 0, 1 },
                        .vdm_src_en     = { 0x0108, 12, 12, 0, 1 },
                        .vdp_src_en     = { 0x0108, 11, 11, 0, 1 },
                },
        },
        { /* sentinel */ }
};

static const struct rockchip_usb2phy_cfg rk3568_phy_cfgs[] = {
        {
                .reg = 0xfe8a0000,
                .num_ports      = 2,
                .clkout_ctl     = { 0x0008, 4, 4, 1, 0 },
                .port_cfgs      = {
                        [USB2PHY_PORT_OTG] = {
                                .phy_sus        = { 0x0000, 8, 0, 0, 0x1d1 },
                                .bvalid_det_en  = { 0x0080, 3, 2, 0, 3 },
                                .bvalid_det_st  = { 0x0084, 3, 2, 0, 3 },
                                .bvalid_det_clr = { 0x0088, 3, 2, 0, 3 },
                                .idfall_det_en  = { 0x0080, 5, 5, 0, 1 },
                                .idfall_det_st  = { 0x0084, 5, 5, 0, 1 },
                                .idfall_det_clr = { 0x0088, 5, 5, 0, 1 },
                                .idrise_det_en  = { 0x0080, 4, 4, 0, 1 },
                                .idrise_det_st  = { 0x0084, 4, 4, 0, 1 },
                                .idrise_det_clr = { 0x0088, 4, 4, 0, 1 },
                                .utmi_avalid    = { 0x00c0, 10, 10, 0, 1 },
                                .utmi_bvalid    = { 0x00c0, 9, 9, 0, 1 },
                                .utmi_id        = { 0x00c0, 6, 6, 0, 1 },
                        },
                        [USB2PHY_PORT_HOST] = {
                                /* Select suspend control from controller */
                                .phy_sus        = { 0x0004, 8, 0, 0x1d2, 0x1d2 },
                                .ls_det_en      = { 0x0080, 1, 1, 0, 1 },
                                .ls_det_st      = { 0x0084, 1, 1, 0, 1 },
                                .ls_det_clr     = { 0x0088, 1, 1, 0, 1 },
                                .utmi_ls        = { 0x00c0, 17, 16, 0, 1 },
                                .utmi_hstdet    = { 0x00c0, 19, 19, 0, 1 }
                        }
                },
                .chg_det = {
                        .opmode         = { 0x0000, 3, 0, 5, 1 },
                        .cp_det         = { 0x00c0, 24, 24, 0, 1 },
                        .dcp_det        = { 0x00c0, 23, 23, 0, 1 },
                        .dp_det         = { 0x00c0, 25, 25, 0, 1 },
                        .idm_sink_en    = { 0x0008, 8, 8, 0, 1 },
                        .idp_sink_en    = { 0x0008, 7, 7, 0, 1 },
                        .idp_src_en     = { 0x0008, 9, 9, 0, 1 },
                        .rdm_pdwn_en    = { 0x0008, 10, 10, 0, 1 },
                        .vdm_src_en     = { 0x0008, 12, 12, 0, 1 },
                        .vdp_src_en     = { 0x0008, 11, 11, 0, 1 },
                },
        },
        {
                .reg = 0xfe8b0000,
                .num_ports      = 2,
                .clkout_ctl     = { 0x0008, 4, 4, 1, 0 },
                .port_cfgs      = {
                        [USB2PHY_PORT_OTG] = {
                                .phy_sus        = { 0x0000, 8, 0, 0x1d2, 0x1d1 },
                                .ls_det_en      = { 0x0080, 0, 0, 0, 1 },
                                .ls_det_st      = { 0x0084, 0, 0, 0, 1 },
                                .ls_det_clr     = { 0x0088, 0, 0, 0, 1 },
                                .utmi_ls        = { 0x00c0, 5, 4, 0, 1 },
                                .utmi_hstdet    = { 0x00c0, 7, 7, 0, 1 }
                        },
                        [USB2PHY_PORT_HOST] = {
                                .phy_sus        = { 0x0004, 8, 0, 0x1d2, 0x1d1 },
                                .ls_det_en      = { 0x0080, 1, 1, 0, 1 },
                                .ls_det_st      = { 0x0084, 1, 1, 0, 1 },
                                .ls_det_clr     = { 0x0088, 1, 1, 0, 1 },
                                .utmi_ls        = { 0x00c0, 17, 16, 0, 1 },
                                .utmi_hstdet    = { 0x00c0, 19, 19, 0, 1 }
                        }
                },
        },
        { /* sentinel */ }
};

static const struct rockchip_usb2phy_cfg rk3576_phy_cfgs[] = {
        {
                .reg = 0x0,
                .num_ports      = 1,
                .phy_tuning     = rk3576_usb2phy_tuning,
                .clkout_ctl     = { 0x0008, 0, 0, 1, 0 },
                .port_cfgs      = {
                        [USB2PHY_PORT_OTG] = {
                                .phy_sus        = { 0x0000, 8, 0, 0, 0x1d1 },
                                .bvalid_det_en  = { 0x00c0, 1, 1, 0, 1 },
                                .bvalid_det_st  = { 0x00c4, 1, 1, 0, 1 },
                                .bvalid_det_clr = { 0x00c8, 1, 1, 0, 1 },
                                .ls_det_en      = { 0x00c0, 0, 0, 0, 1 },
                                .ls_det_st      = { 0x00c4, 0, 0, 0, 1 },
                                .ls_det_clr     = { 0x00c8, 0, 0, 0, 1 },
                                .disfall_en     = { 0x00c0, 6, 6, 0, 1 },
                                .disfall_st     = { 0x00c4, 6, 6, 0, 1 },
                                .disfall_clr    = { 0x00c8, 6, 6, 0, 1 },
                                .disrise_en     = { 0x00c0, 5, 5, 0, 1 },
                                .disrise_st     = { 0x00c4, 5, 5, 0, 1 },
                                .disrise_clr    = { 0x00c8, 5, 5, 0, 1 },
                                .utmi_avalid    = { 0x0080, 1, 1, 0, 1 },
                                .utmi_bvalid    = { 0x0080, 0, 0, 0, 1 },
                                .utmi_ls        = { 0x0080, 5, 4, 0, 1 },
                        }
                },
                .chg_det = {
                        .cp_det         = { 0x0080, 8, 8, 0, 1 },
                        .dcp_det        = { 0x0080, 8, 8, 0, 1 },
                        .dp_det         = { 0x0080, 9, 9, 1, 0 },
                        .idm_sink_en    = { 0x0010, 5, 5, 1, 0 },
                        .idp_sink_en    = { 0x0010, 5, 5, 0, 1 },
                        .idp_src_en     = { 0x0010, 14, 14, 0, 1 },
                        .rdm_pdwn_en    = { 0x0010, 14, 14, 0, 1 },
                        .vdm_src_en     = { 0x0010, 7, 6, 0, 3 },
                        .vdp_src_en     = { 0x0010, 7, 6, 0, 3 },
                },
        },
        {
                .reg = 0x2000,
                .num_ports      = 1,
                .phy_tuning     = rk3576_usb2phy_tuning,
                .clkout_ctl     = { 0x2008, 0, 0, 1, 0 },
                .port_cfgs      = {
                        [USB2PHY_PORT_OTG] = {
                                .phy_sus        = { 0x2000, 8, 0, 0, 0x1d1 },
                                .bvalid_det_en  = { 0x20c0, 1, 1, 0, 1 },
                                .bvalid_det_st  = { 0x20c4, 1, 1, 0, 1 },
                                .bvalid_det_clr = { 0x20c8, 1, 1, 0, 1 },
                                .ls_det_en      = { 0x20c0, 0, 0, 0, 1 },
                                .ls_det_st      = { 0x20c4, 0, 0, 0, 1 },
                                .ls_det_clr     = { 0x20c8, 0, 0, 0, 1 },
                                .disfall_en     = { 0x20c0, 6, 6, 0, 1 },
                                .disfall_st     = { 0x20c4, 6, 6, 0, 1 },
                                .disfall_clr    = { 0x20c8, 6, 6, 0, 1 },
                                .disrise_en     = { 0x20c0, 5, 5, 0, 1 },
                                .disrise_st     = { 0x20c4, 5, 5, 0, 1 },
                                .disrise_clr    = { 0x20c8, 5, 5, 0, 1 },
                                .utmi_avalid    = { 0x2080, 1, 1, 0, 1 },
                                .utmi_bvalid    = { 0x2080, 0, 0, 0, 1 },
                                .utmi_ls        = { 0x2080, 5, 4, 0, 1 },
                        }
                },
                .chg_det = {
                        .cp_det         = { 0x2080, 8, 8, 0, 1 },
                        .dcp_det        = { 0x2080, 8, 8, 0, 1 },
                        .dp_det         = { 0x2080, 9, 9, 1, 0 },
                        .idm_sink_en    = { 0x2010, 5, 5, 1, 0 },
                        .idp_sink_en    = { 0x2010, 5, 5, 0, 1 },
                        .idp_src_en     = { 0x2010, 14, 14, 0, 1 },
                        .rdm_pdwn_en    = { 0x2010, 14, 14, 0, 1 },
                        .vdm_src_en     = { 0x2010, 7, 6, 0, 3 },
                        .vdp_src_en     = { 0x2010, 7, 6, 0, 3 },
                },
        },
        { /* sentinel */ }
};

static const struct rockchip_usb2phy_cfg rk3588_phy_cfgs[] = {
        {
                .reg = 0x0000,
                .num_ports      = 1,
                .phy_tuning     = rk3588_usb2phy_tuning,
                .clkout_ctl     = { 0x0000, 0, 0, 1, 0 },
                .port_cfgs      = {
                        [USB2PHY_PORT_OTG] = {
                                .phy_sus        = { 0x000c, 11, 11, 0, 1 },
                                .bvalid_det_en  = { 0x0080, 1, 1, 0, 1 },
                                .bvalid_det_st  = { 0x0084, 1, 1, 0, 1 },
                                .bvalid_det_clr = { 0x0088, 1, 1, 0, 1 },
                                .ls_det_en      = { 0x0080, 0, 0, 0, 1 },
                                .ls_det_st      = { 0x0084, 0, 0, 0, 1 },
                                .ls_det_clr     = { 0x0088, 0, 0, 0, 1 },
                                .disfall_en     = { 0x0080, 6, 6, 0, 1 },
                                .disfall_st     = { 0x0084, 6, 6, 0, 1 },
                                .disfall_clr    = { 0x0088, 6, 6, 0, 1 },
                                .disrise_en     = { 0x0080, 5, 5, 0, 1 },
                                .disrise_st     = { 0x0084, 5, 5, 0, 1 },
                                .disrise_clr    = { 0x0088, 5, 5, 0, 1 },
                                .utmi_avalid    = { 0x00c0, 7, 7, 0, 1 },
                                .utmi_bvalid    = { 0x00c0, 6, 6, 0, 1 },
                                .utmi_ls        = { 0x00c0, 10, 9, 0, 1 },
                        }
                },
                .chg_det = {
                        .cp_det         = { 0x00c0, 0, 0, 0, 1 },
                        .dcp_det        = { 0x00c0, 0, 0, 0, 1 },
                        .dp_det         = { 0x00c0, 1, 1, 1, 0 },
                        .idm_sink_en    = { 0x0008, 5, 5, 1, 0 },
                        .idp_sink_en    = { 0x0008, 5, 5, 0, 1 },
                        .idp_src_en     = { 0x0008, 14, 14, 0, 1 },
                        .rdm_pdwn_en    = { 0x0008, 14, 14, 0, 1 },
                        .vdm_src_en     = { 0x0008, 7, 6, 0, 3 },
                        .vdp_src_en     = { 0x0008, 7, 6, 0, 3 },
                },
        },
        {
                .reg = 0x4000,
                .num_ports      = 1,
                .phy_tuning     = rk3588_usb2phy_tuning,
                .clkout_ctl     = { 0x0000, 0, 0, 1, 0 },
                .port_cfgs      = {
                        [USB2PHY_PORT_OTG] = {
                                .phy_sus        = { 0x000c, 11, 11, 0, 1 },
                                .bvalid_det_en  = { 0x0080, 1, 1, 0, 1 },
                                .bvalid_det_st  = { 0x0084, 1, 1, 0, 1 },
                                .bvalid_det_clr = { 0x0088, 1, 1, 0, 1 },
                                .ls_det_en      = { 0x0080, 0, 0, 0, 1 },
                                .ls_det_st      = { 0x0084, 0, 0, 0, 1 },
                                .ls_det_clr     = { 0x0088, 0, 0, 0, 1 },
                                .disfall_en     = { 0x0080, 6, 6, 0, 1 },
                                .disfall_st     = { 0x0084, 6, 6, 0, 1 },
                                .disfall_clr    = { 0x0088, 6, 6, 0, 1 },
                                .disrise_en     = { 0x0080, 5, 5, 0, 1 },
                                .disrise_st     = { 0x0084, 5, 5, 0, 1 },
                                .disrise_clr    = { 0x0088, 5, 5, 0, 1 },
                                .utmi_avalid    = { 0x00c0, 7, 7, 0, 1 },
                                .utmi_bvalid    = { 0x00c0, 6, 6, 0, 1 },
                                .utmi_ls        = { 0x00c0, 10, 9, 0, 1 },
                        }
                },
                .chg_det = {
                        .cp_det         = { 0x00c0, 0, 0, 0, 1 },
                        .dcp_det        = { 0x00c0, 0, 0, 0, 1 },
                        .dp_det         = { 0x00c0, 1, 1, 1, 0 },
                        .idm_sink_en    = { 0x0008, 5, 5, 1, 0 },
                        .idp_sink_en    = { 0x0008, 5, 5, 0, 1 },
                        .idp_src_en     = { 0x0008, 14, 14, 0, 1 },
                        .rdm_pdwn_en    = { 0x0008, 14, 14, 0, 1 },
                        .vdm_src_en     = { 0x0008, 7, 6, 0, 3 },
                        .vdp_src_en     = { 0x0008, 7, 6, 0, 3 },
                },
        },
        {
                .reg = 0x8000,
                .num_ports      = 1,
                .phy_tuning     = rk3588_usb2phy_tuning,
                .clkout_ctl     = { 0x0000, 0, 0, 1, 0 },
                .port_cfgs      = {
                        [USB2PHY_PORT_HOST] = {
                                .phy_sus        = { 0x0008, 2, 2, 0, 1 },
                                .ls_det_en      = { 0x0080, 0, 0, 0, 1 },
                                .ls_det_st      = { 0x0084, 0, 0, 0, 1 },
                                .ls_det_clr     = { 0x0088, 0, 0, 0, 1 },
                                .disfall_en     = { 0x0080, 6, 6, 0, 1 },
                                .disfall_st     = { 0x0084, 6, 6, 0, 1 },
                                .disfall_clr    = { 0x0088, 6, 6, 0, 1 },
                                .disrise_en     = { 0x0080, 5, 5, 0, 1 },
                                .disrise_st     = { 0x0084, 5, 5, 0, 1 },
                                .disrise_clr    = { 0x0088, 5, 5, 0, 1 },
                                .utmi_ls        = { 0x00c0, 10, 9, 0, 1 },
                        }
                },
        },
        {
                .reg = 0xc000,
                .num_ports      = 1,
                .phy_tuning     = rk3588_usb2phy_tuning,
                .clkout_ctl     = { 0x0000, 0, 0, 1, 0 },
                .port_cfgs      = {
                        [USB2PHY_PORT_HOST] = {
                                .phy_sus        = { 0x0008, 2, 2, 0, 1 },
                                .ls_det_en      = { 0x0080, 0, 0, 0, 1 },
                                .ls_det_st      = { 0x0084, 0, 0, 0, 1 },
                                .ls_det_clr     = { 0x0088, 0, 0, 0, 1 },
                                .disfall_en     = { 0x0080, 6, 6, 0, 1 },
                                .disfall_st     = { 0x0084, 6, 6, 0, 1 },
                                .disfall_clr    = { 0x0088, 6, 6, 0, 1 },
                                .disrise_en     = { 0x0080, 5, 5, 0, 1 },
                                .disrise_st     = { 0x0084, 5, 5, 0, 1 },
                                .disrise_clr    = { 0x0088, 5, 5, 0, 1 },
                                .utmi_ls        = { 0x00c0, 10, 9, 0, 1 },
                        }
                },
        },
        { /* sentinel */ }
};

static const struct rockchip_usb2phy_cfg rv1108_phy_cfgs[] = {
        {
                .reg = 0x100,
                .num_ports      = 2,
                .clkout_ctl     = { 0x108, 4, 4, 1, 0 },
                .port_cfgs      = {
                        [USB2PHY_PORT_OTG] = {
                                .phy_sus        = { 0x0100, 15, 0, 0, 0x1d1 },
                                .bvalid_det_en  = { 0x0680, 3, 3, 0, 1 },
                                .bvalid_det_st  = { 0x0690, 3, 3, 0, 1 },
                                .bvalid_det_clr = { 0x06a0, 3, 3, 0, 1 },
                                .ls_det_en      = { 0x0680, 2, 2, 0, 1 },
                                .ls_det_st      = { 0x0690, 2, 2, 0, 1 },
                                .ls_det_clr     = { 0x06a0, 2, 2, 0, 1 },
                                .utmi_bvalid    = { 0x0804, 10, 10, 0, 1 },
                                .utmi_ls        = { 0x0804, 13, 12, 0, 1 },
                        },
                        [USB2PHY_PORT_HOST] = {
                                .phy_sus        = { 0x0104, 15, 0, 0, 0x1d1 },
                                .ls_det_en      = { 0x0680, 4, 4, 0, 1 },
                                .ls_det_st      = { 0x0690, 4, 4, 0, 1 },
                                .ls_det_clr     = { 0x06a0, 4, 4, 0, 1 },
                                .utmi_ls        = { 0x0804, 9, 8, 0, 1 },
                                .utmi_hstdet    = { 0x0804, 7, 7, 0, 1 }
                        }
                },
                .chg_det = {
                        .opmode         = { 0x0100, 3, 0, 5, 1 },
                        .cp_det         = { 0x0804, 1, 1, 0, 1 },
                        .dcp_det        = { 0x0804, 0, 0, 0, 1 },
                        .dp_det         = { 0x0804, 2, 2, 0, 1 },
                        .idm_sink_en    = { 0x0108, 8, 8, 0, 1 },
                        .idp_sink_en    = { 0x0108, 7, 7, 0, 1 },
                        .idp_src_en     = { 0x0108, 9, 9, 0, 1 },
                        .rdm_pdwn_en    = { 0x0108, 10, 10, 0, 1 },
                        .vdm_src_en     = { 0x0108, 12, 12, 0, 1 },
                        .vdp_src_en     = { 0x0108, 11, 11, 0, 1 },
                },
        },
        { /* sentinel */ }
};

static const struct of_device_id rockchip_usb2phy_dt_match[] = {
        { .compatible = "rockchip,px30-usb2phy", .data = &rk3328_phy_cfgs },
        { .compatible = "rockchip,rk3036-usb2phy", .data = &rk3036_phy_cfgs },
        { .compatible = "rockchip,rk3128-usb2phy", .data = &rk3128_phy_cfgs },
        { .compatible = "rockchip,rk3228-usb2phy", .data = &rk3228_phy_cfgs },
        { .compatible = "rockchip,rk3308-usb2phy", .data = &rk3308_phy_cfgs },
        { .compatible = "rockchip,rk3328-usb2phy", .data = &rk3328_phy_cfgs },
        { .compatible = "rockchip,rk3366-usb2phy", .data = &rk3366_phy_cfgs },
        { .compatible = "rockchip,rk3399-usb2phy", .data = &rk3399_phy_cfgs },
        { .compatible = "rockchip,rk3562-usb2phy", .data = &rk3562_phy_cfgs },
        { .compatible = "rockchip,rk3568-usb2phy", .data = &rk3568_phy_cfgs },
        { .compatible = "rockchip,rk3576-usb2phy", .data = &rk3576_phy_cfgs },
        { .compatible = "rockchip,rk3588-usb2phy", .data = &rk3588_phy_cfgs },
        { .compatible = "rockchip,rv1108-usb2phy", .data = &rv1108_phy_cfgs },
        {}
};
MODULE_DEVICE_TABLE(of, rockchip_usb2phy_dt_match);

static struct platform_driver rockchip_usb2phy_driver = {
        .probe          = rockchip_usb2phy_probe,
        .driver         = {
                .name   = "rockchip-usb2phy",
                .of_match_table = rockchip_usb2phy_dt_match,
        },
};
module_platform_driver(rockchip_usb2phy_driver);

MODULE_AUTHOR("Frank Wang <frank.wang@rock-chips.com>");
MODULE_DESCRIPTION("Rockchip USB2.0 PHY driver");
MODULE_LICENSE("GPL v2");
Linux
