#include <linux/module.h>
#include <linux/irq.h>
#include <linux/of.h>
#include <linux/of_platform.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/usb/chipidea.h>
#include <linux/usb/of.h>
#include <linux/clk.h>
#include <linux/pinctrl/consumer.h>
#include <linux/pm_qos.h>
#include "ci.h"
#include "ci_hdrc_imx.h"
struct ci_hdrc_imx_platform_flag {
unsigned int flags;
};
static const struct ci_hdrc_imx_platform_flag imx23_usb_data = {
.flags = CI_HDRC_TURN_VBUS_EARLY_ON |
CI_HDRC_DISABLE_STREAMING,
};
static const struct ci_hdrc_imx_platform_flag imx27_usb_data = {
.flags = CI_HDRC_DISABLE_STREAMING,
};
static const struct ci_hdrc_imx_platform_flag imx28_usb_data = {
.flags = CI_HDRC_IMX28_WRITE_FIX |
CI_HDRC_TURN_VBUS_EARLY_ON |
CI_HDRC_DISABLE_STREAMING,
};
static const struct ci_hdrc_imx_platform_flag imx6q_usb_data = {
.flags = CI_HDRC_SUPPORTS_RUNTIME_PM |
CI_HDRC_TURN_VBUS_EARLY_ON |
CI_HDRC_DISABLE_STREAMING,
};
static const struct ci_hdrc_imx_platform_flag imx6sl_usb_data = {
.flags = CI_HDRC_SUPPORTS_RUNTIME_PM |
CI_HDRC_TURN_VBUS_EARLY_ON |
CI_HDRC_DISABLE_HOST_STREAMING,
};
static const struct ci_hdrc_imx_platform_flag imx6sx_usb_data = {
.flags = CI_HDRC_SUPPORTS_RUNTIME_PM |
CI_HDRC_TURN_VBUS_EARLY_ON |
CI_HDRC_DISABLE_HOST_STREAMING,
};
static const struct ci_hdrc_imx_platform_flag imx6ul_usb_data = {
.flags = CI_HDRC_SUPPORTS_RUNTIME_PM |
CI_HDRC_TURN_VBUS_EARLY_ON |
CI_HDRC_DISABLE_DEVICE_STREAMING,
};
static const struct ci_hdrc_imx_platform_flag imx7d_usb_data = {
.flags = CI_HDRC_SUPPORTS_RUNTIME_PM,
};
static const struct ci_hdrc_imx_platform_flag imx7ulp_usb_data = {
.flags = CI_HDRC_SUPPORTS_RUNTIME_PM |
CI_HDRC_HAS_PORTSC_PEC_MISSED |
CI_HDRC_PMQOS,
};
static const struct ci_hdrc_imx_platform_flag imx8ulp_usb_data = {
.flags = CI_HDRC_SUPPORTS_RUNTIME_PM |
CI_HDRC_HAS_PORTSC_PEC_MISSED,
};
static const struct ci_hdrc_imx_platform_flag imx95_usb_data = {
.flags = CI_HDRC_SUPPORTS_RUNTIME_PM | CI_HDRC_OUT_BAND_WAKEUP,
};
static const struct ci_hdrc_imx_platform_flag s32g_usb_data = {
.flags = CI_HDRC_DISABLE_HOST_STREAMING,
};
static const struct of_device_id ci_hdrc_imx_dt_ids[] = {
{ .compatible = "fsl,imx23-usb", .data = &imx23_usb_data},
{ .compatible = "fsl,imx28-usb", .data = &imx28_usb_data},
{ .compatible = "fsl,imx27-usb", .data = &imx27_usb_data},
{ .compatible = "fsl,imx6q-usb", .data = &imx6q_usb_data},
{ .compatible = "fsl,imx6sl-usb", .data = &imx6sl_usb_data},
{ .compatible = "fsl,imx6sx-usb", .data = &imx6sx_usb_data},
{ .compatible = "fsl,imx6ul-usb", .data = &imx6ul_usb_data},
{ .compatible = "fsl,imx7d-usb", .data = &imx7d_usb_data},
{ .compatible = "fsl,imx7ulp-usb", .data = &imx7ulp_usb_data},
{ .compatible = "fsl,imx8ulp-usb", .data = &imx8ulp_usb_data},
{ .compatible = "fsl,imx95-usb", .data = &imx95_usb_data},
{ .compatible = "nxp,s32g2-usb", .data = &s32g_usb_data},
{ }
};
MODULE_DEVICE_TABLE(of, ci_hdrc_imx_dt_ids);
struct ci_hdrc_imx_data {
struct usb_phy *phy;
struct platform_device *ci_pdev;
struct clk *clk;
struct clk *clk_wakeup;
struct imx_usbmisc_data *usbmisc_data;
int wakeup_irq;
bool supports_runtime_pm;
bool override_phy_control;
bool in_lpm;
struct pinctrl *pinctrl;
struct pinctrl_state *pinctrl_hsic_active;
struct regulator *hsic_pad_regulator;
bool need_three_clks;
struct clk *clk_ipg;
struct clk *clk_ahb;
struct clk *clk_per;
struct pm_qos_request pm_qos_req;
const struct ci_hdrc_imx_platform_flag *plat_data;
};
static struct imx_usbmisc_data *usbmisc_get_init_data(struct device *dev)
{
struct platform_device *misc_pdev;
struct device_node *np = dev->of_node;
struct of_phandle_args args;
struct imx_usbmisc_data *data;
int ret;
if (!of_property_present(np, "fsl,usbmisc"))
return NULL;
data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
if (!data)
return ERR_PTR(-ENOMEM);
ret = of_parse_phandle_with_args(np, "fsl,usbmisc", "#index-cells",
0, &args);
if (ret) {
dev_err(dev, "Failed to parse property fsl,usbmisc, errno %d\n",
ret);
return ERR_PTR(ret);
}
data->index = args.args[0];
misc_pdev = of_find_device_by_node(args.np);
of_node_put(args.np);
if (!misc_pdev)
return ERR_PTR(-EPROBE_DEFER);
if (!platform_get_drvdata(misc_pdev)) {
put_device(&misc_pdev->dev);
return ERR_PTR(-EPROBE_DEFER);
}
data->dev = &misc_pdev->dev;
if (of_property_read_bool(np, "disable-over-current")) {
data->disable_oc = 1;
} else if (of_property_read_bool(np, "over-current-active-high")) {
data->oc_pol_active_low = 0;
data->oc_pol_configured = 1;
} else if (of_property_read_bool(np, "over-current-active-low")) {
data->oc_pol_active_low = 1;
data->oc_pol_configured = 1;
} else {
dev_warn(dev, "No over current polarity defined\n");
}
data->pwr_pol = of_property_read_bool(np, "power-active-high");
data->evdo = of_property_read_bool(np, "external-vbus-divider");
if (of_usb_get_phy_mode(np) == USBPHY_INTERFACE_MODE_ULPI)
data->ulpi = 1;
if (of_property_read_u32(np, "samsung,picophy-pre-emp-curr-control",
&data->emp_curr_control))
data->emp_curr_control = -1;
if (of_property_read_u32(np, "samsung,picophy-dc-vol-level-adjust",
&data->dc_vol_level_adjust))
data->dc_vol_level_adjust = -1;
if (of_property_read_u32(np, "fsl,picophy-rise-fall-time-adjust",
&data->rise_fall_time_adjust))
data->rise_fall_time_adjust = -1;
return data;
}
static int imx_get_clks(struct device *dev)
{
struct ci_hdrc_imx_data *data = dev_get_drvdata(dev);
int ret = 0;
data->clk_ipg = devm_clk_get(dev, "ipg");
if (IS_ERR(data->clk_ipg)) {
data->clk = devm_clk_get(dev, NULL);
if (IS_ERR(data->clk)) {
ret = PTR_ERR(data->clk);
dev_err(dev,
"Failed to get clks, err=%ld,%ld\n",
PTR_ERR(data->clk), PTR_ERR(data->clk_ipg));
return ret;
}
data->clk_wakeup = devm_clk_get_optional(dev, "usb_wakeup");
if (IS_ERR(data->clk_wakeup))
ret = dev_err_probe(dev, PTR_ERR(data->clk_wakeup),
"Failed to get wakeup clk\n");
return ret;
}
data->clk_ahb = devm_clk_get(dev, "ahb");
if (IS_ERR(data->clk_ahb)) {
ret = PTR_ERR(data->clk_ahb);
dev_err(dev,
"Failed to get ahb clock, err=%d\n", ret);
return ret;
}
data->clk_per = devm_clk_get(dev, "per");
if (IS_ERR(data->clk_per)) {
ret = PTR_ERR(data->clk_per);
dev_err(dev,
"Failed to get per clock, err=%d\n", ret);
return ret;
}
data->need_three_clks = true;
return ret;
}
static int imx_prepare_enable_clks(struct device *dev)
{
struct ci_hdrc_imx_data *data = dev_get_drvdata(dev);
int ret = 0;
if (data->need_three_clks) {
ret = clk_prepare_enable(data->clk_ipg);
if (ret) {
dev_err(dev,
"Failed to prepare/enable ipg clk, err=%d\n",
ret);
return ret;
}
ret = clk_prepare_enable(data->clk_ahb);
if (ret) {
dev_err(dev,
"Failed to prepare/enable ahb clk, err=%d\n",
ret);
clk_disable_unprepare(data->clk_ipg);
return ret;
}
ret = clk_prepare_enable(data->clk_per);
if (ret) {
dev_err(dev,
"Failed to prepare/enable per clk, err=%d\n",
ret);
clk_disable_unprepare(data->clk_ahb);
clk_disable_unprepare(data->clk_ipg);
return ret;
}
} else {
ret = clk_prepare_enable(data->clk);
if (ret) {
dev_err(dev,
"Failed to prepare/enable clk, err=%d\n",
ret);
return ret;
}
}
return ret;
}
static void imx_disable_unprepare_clks(struct device *dev)
{
struct ci_hdrc_imx_data *data = dev_get_drvdata(dev);
if (data->need_three_clks) {
clk_disable_unprepare(data->clk_per);
clk_disable_unprepare(data->clk_ahb);
clk_disable_unprepare(data->clk_ipg);
} else {
clk_disable_unprepare(data->clk);
}
}
static int ci_hdrc_imx_notify_event(struct ci_hdrc *ci, unsigned int event)
{
struct device *dev = ci->dev->parent;
struct ci_hdrc_imx_data *data = dev_get_drvdata(dev);
int ret = 0;
struct imx_usbmisc_data *mdata = data->usbmisc_data;
switch (event) {
case CI_HDRC_IMX_HSIC_ACTIVE_EVENT:
if (data->pinctrl) {
ret = pinctrl_select_state(data->pinctrl,
data->pinctrl_hsic_active);
if (ret)
dev_err(dev,
"hsic_active select failed, err=%d\n",
ret);
}
break;
case CI_HDRC_IMX_HSIC_SUSPEND_EVENT:
ret = imx_usbmisc_hsic_set_connect(mdata);
if (ret)
dev_err(dev,
"hsic_set_connect failed, err=%d\n", ret);
break;
case CI_HDRC_CONTROLLER_VBUS_EVENT:
if (ci->vbus_active)
ret = imx_usbmisc_charger_detection(mdata, true);
else
ret = imx_usbmisc_charger_detection(mdata, false);
if (ci->usb_phy)
schedule_work(&ci->usb_phy->chg_work);
break;
case CI_HDRC_CONTROLLER_PULLUP_EVENT:
if (ci->role == CI_ROLE_GADGET &&
ci->gadget.speed == USB_SPEED_HIGH)
imx_usbmisc_pullup(data->usbmisc_data,
ci->gadget.connected);
break;
default:
break;
}
return ret;
}
static irqreturn_t ci_wakeup_irq_handler(int irq, void *data)
{
struct ci_hdrc_imx_data *imx_data = data;
disable_irq_nosync(irq);
pm_runtime_resume(&imx_data->ci_pdev->dev);
return IRQ_HANDLED;
}
static void ci_hdrc_imx_disable_regulator(void *arg)
{
struct ci_hdrc_imx_data *data = arg;
regulator_disable(data->hsic_pad_regulator);
}
static int ci_hdrc_imx_probe(struct platform_device *pdev)
{
struct ci_hdrc_imx_data *data;
struct ci_hdrc_platform_data pdata = {
.name = dev_name(&pdev->dev),
.capoffset = DEF_CAPOFFSET,
.flags = CI_HDRC_HAS_SHORT_PKT_LIMIT,
.notify_event = ci_hdrc_imx_notify_event,
};
int ret;
const struct ci_hdrc_imx_platform_flag *imx_platform_flag;
struct device_node *np = pdev->dev.of_node;
struct device *dev = &pdev->dev;
const char *irq_name;
imx_platform_flag = of_device_get_match_data(&pdev->dev);
data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
if (!data)
return -ENOMEM;
data->plat_data = imx_platform_flag;
pdata.flags |= imx_platform_flag->flags;
platform_set_drvdata(pdev, data);
data->usbmisc_data = usbmisc_get_init_data(dev);
if (IS_ERR(data->usbmisc_data))
return PTR_ERR(data->usbmisc_data);
if ((of_usb_get_phy_mode(dev->of_node) == USBPHY_INTERFACE_MODE_HSIC)
&& data->usbmisc_data) {
pdata.flags |= CI_HDRC_IMX_IS_HSIC;
data->usbmisc_data->hsic = 1;
data->pinctrl = devm_pinctrl_get(dev);
if (PTR_ERR(data->pinctrl) == -ENODEV)
data->pinctrl = NULL;
else if (IS_ERR(data->pinctrl)) {
ret = dev_err_probe(dev, PTR_ERR(data->pinctrl),
"pinctrl get failed\n");
goto err_put;
}
data->hsic_pad_regulator =
devm_regulator_get_optional(dev, "hsic");
if (PTR_ERR(data->hsic_pad_regulator) == -ENODEV) {
data->hsic_pad_regulator = NULL;
} else if (IS_ERR(data->hsic_pad_regulator)) {
ret = dev_err_probe(dev, PTR_ERR(data->hsic_pad_regulator),
"Get HSIC pad regulator error\n");
goto err_put;
}
if (data->hsic_pad_regulator) {
ret = regulator_enable(data->hsic_pad_regulator);
if (ret) {
dev_err(dev,
"Failed to enable HSIC pad regulator\n");
goto err_put;
}
ret = devm_add_action_or_reset(dev,
ci_hdrc_imx_disable_regulator, data);
if (ret) {
dev_err(dev,
"Failed to add regulator devm action\n");
goto err_put;
}
}
}
if (data->pinctrl) {
struct pinctrl_state *pinctrl_hsic_idle;
pinctrl_hsic_idle = pinctrl_lookup_state(data->pinctrl, "idle");
if (IS_ERR(pinctrl_hsic_idle)) {
dev_err(dev,
"pinctrl_hsic_idle lookup failed, err=%ld\n",
PTR_ERR(pinctrl_hsic_idle));
ret = PTR_ERR(pinctrl_hsic_idle);
goto err_put;
}
ret = pinctrl_select_state(data->pinctrl, pinctrl_hsic_idle);
if (ret) {
dev_err(dev, "hsic_idle select failed, err=%d\n", ret);
goto err_put;
}
data->pinctrl_hsic_active = pinctrl_lookup_state(data->pinctrl,
"active");
if (IS_ERR(data->pinctrl_hsic_active)) {
dev_err(dev,
"pinctrl_hsic_active lookup failed, err=%ld\n",
PTR_ERR(data->pinctrl_hsic_active));
ret = PTR_ERR(data->pinctrl_hsic_active);
goto err_put;
}
}
if (pdata.flags & CI_HDRC_PMQOS)
cpu_latency_qos_add_request(&data->pm_qos_req, 0);
ret = imx_get_clks(dev);
if (ret)
goto qos_remove_request;
ret = imx_prepare_enable_clks(dev);
if (ret)
goto qos_remove_request;
ret = clk_prepare_enable(data->clk_wakeup);
if (ret)
goto err_wakeup_clk;
data->phy = devm_usb_get_phy_by_phandle(dev, "fsl,usbphy", 0);
if (IS_ERR(data->phy)) {
ret = PTR_ERR(data->phy);
if (ret != -ENODEV) {
dev_err_probe(dev, ret, "Failed to parse fsl,usbphy\n");
goto err_clk;
}
data->phy = devm_usb_get_phy_by_phandle(dev, "phys", 0);
if (IS_ERR(data->phy)) {
ret = PTR_ERR(data->phy);
if (ret == -ENODEV) {
data->phy = NULL;
} else {
dev_err_probe(dev, ret, "Failed to parse phys\n");
goto err_clk;
}
}
}
pdata.usb_phy = data->phy;
if (data->usbmisc_data)
data->usbmisc_data->usb_phy = data->phy;
if ((of_device_is_compatible(np, "fsl,imx53-usb") ||
of_device_is_compatible(np, "fsl,imx51-usb")) && pdata.usb_phy &&
of_usb_get_phy_mode(np) == USBPHY_INTERFACE_MODE_ULPI) {
pdata.flags |= CI_HDRC_OVERRIDE_PHY_CONTROL;
data->override_phy_control = true;
ret = usb_phy_init(pdata.usb_phy);
if (ret) {
dev_err(dev, "Failed to init phy\n");
goto err_clk;
}
}
if (pdata.flags & CI_HDRC_SUPPORTS_RUNTIME_PM)
data->supports_runtime_pm = true;
data->wakeup_irq = platform_get_irq_optional(pdev, 1);
if (data->wakeup_irq > 0) {
irq_name = devm_kasprintf(dev, GFP_KERNEL, "%s:wakeup", pdata.name);
if (!irq_name) {
dev_err_probe(dev, -ENOMEM, "failed to create irq_name\n");
goto err_clk;
}
ret = devm_request_threaded_irq(dev, data->wakeup_irq,
NULL, ci_wakeup_irq_handler,
IRQF_ONESHOT | IRQF_NO_AUTOEN,
irq_name, data);
if (ret)
goto err_clk;
}
ret = imx_usbmisc_init(data->usbmisc_data);
if (ret) {
dev_err(dev, "usbmisc init failed, ret=%d\n", ret);
goto phy_shutdown;
}
data->ci_pdev = ci_hdrc_add_device(dev,
pdev->resource, pdev->num_resources,
&pdata);
if (IS_ERR(data->ci_pdev)) {
ret = PTR_ERR(data->ci_pdev);
dev_err_probe(dev, ret, "ci_hdrc_add_device failed\n");
goto phy_shutdown;
}
if (data->usbmisc_data) {
if (!IS_ERR(pdata.id_extcon.edev) ||
of_property_read_bool(np, "usb-role-switch"))
data->usbmisc_data->ext_id = 1;
if (!IS_ERR(pdata.vbus_extcon.edev) ||
of_property_read_bool(np, "usb-role-switch"))
data->usbmisc_data->ext_vbus = 1;
data->usbmisc_data->available_role =
ci_hdrc_query_available_role(data->ci_pdev);
}
ret = imx_usbmisc_init_post(data->usbmisc_data);
if (ret) {
dev_err(dev, "usbmisc post failed, ret=%d\n", ret);
goto disable_device;
}
if (data->supports_runtime_pm) {
pm_runtime_set_active(dev);
pm_runtime_enable(dev);
}
device_set_wakeup_capable(dev, true);
return 0;
disable_device:
ci_hdrc_remove_device(data->ci_pdev);
phy_shutdown:
if (data->override_phy_control)
usb_phy_shutdown(data->phy);
err_clk:
clk_disable_unprepare(data->clk_wakeup);
err_wakeup_clk:
imx_disable_unprepare_clks(dev);
qos_remove_request:
if (pdata.flags & CI_HDRC_PMQOS)
cpu_latency_qos_remove_request(&data->pm_qos_req);
data->ci_pdev = NULL;
err_put:
if (data->usbmisc_data)
put_device(data->usbmisc_data->dev);
return ret;
}
static void ci_hdrc_imx_remove(struct platform_device *pdev)
{
struct ci_hdrc_imx_data *data = platform_get_drvdata(pdev);
if (data->supports_runtime_pm) {
pm_runtime_get_sync(&pdev->dev);
pm_runtime_disable(&pdev->dev);
pm_runtime_put_noidle(&pdev->dev);
}
if (data->ci_pdev)
ci_hdrc_remove_device(data->ci_pdev);
if (data->override_phy_control)
usb_phy_shutdown(data->phy);
if (data->ci_pdev) {
imx_disable_unprepare_clks(&pdev->dev);
clk_disable_unprepare(data->clk_wakeup);
if (data->plat_data->flags & CI_HDRC_PMQOS)
cpu_latency_qos_remove_request(&data->pm_qos_req);
}
if (data->usbmisc_data)
put_device(data->usbmisc_data->dev);
}
static void ci_hdrc_imx_shutdown(struct platform_device *pdev)
{
ci_hdrc_imx_remove(pdev);
}
static int imx_controller_suspend(struct device *dev,
pm_message_t msg)
{
struct ci_hdrc_imx_data *data = dev_get_drvdata(dev);
int ret = 0;
dev_dbg(dev, "at %s\n", __func__);
ret = imx_usbmisc_suspend(data->usbmisc_data,
PMSG_IS_AUTO(msg) || device_may_wakeup(dev));
if (ret) {
dev_err(dev,
"usbmisc suspend failed, ret=%d\n", ret);
return ret;
}
imx_disable_unprepare_clks(dev);
if (data->wakeup_irq > 0)
enable_irq(data->wakeup_irq);
if (data->plat_data->flags & CI_HDRC_PMQOS)
cpu_latency_qos_remove_request(&data->pm_qos_req);
data->in_lpm = true;
return 0;
}
static int imx_controller_resume(struct device *dev,
pm_message_t msg)
{
struct ci_hdrc_imx_data *data = dev_get_drvdata(dev);
int ret = 0;
dev_dbg(dev, "at %s\n", __func__);
if (!data->in_lpm) {
WARN_ON(1);
return 0;
}
if (data->plat_data->flags & CI_HDRC_PMQOS)
cpu_latency_qos_add_request(&data->pm_qos_req, 0);
if (data->wakeup_irq > 0 &&
!irqd_irq_disabled(irq_get_irq_data(data->wakeup_irq)))
disable_irq_nosync(data->wakeup_irq);
ret = imx_prepare_enable_clks(dev);
if (ret)
return ret;
data->in_lpm = false;
ret = imx_usbmisc_resume(data->usbmisc_data,
PMSG_IS_AUTO(msg) || device_may_wakeup(dev));
if (ret) {
dev_err(dev, "usbmisc resume failed, ret=%d\n", ret);
goto clk_disable;
}
return 0;
clk_disable:
imx_disable_unprepare_clks(dev);
return ret;
}
static int ci_hdrc_imx_suspend(struct device *dev)
{
int ret;
struct ci_hdrc_imx_data *data = dev_get_drvdata(dev);
if (data->in_lpm)
return 0;
ret = imx_controller_suspend(dev, PMSG_SUSPEND);
if (ret)
return ret;
pinctrl_pm_select_sleep_state(dev);
if (data->wakeup_irq > 0 && device_may_wakeup(dev)) {
enable_irq_wake(data->wakeup_irq);
if (data->plat_data->flags & CI_HDRC_OUT_BAND_WAKEUP)
device_set_out_band_wakeup(dev);
}
return ret;
}
static int ci_hdrc_imx_resume(struct device *dev)
{
struct ci_hdrc_imx_data *data = dev_get_drvdata(dev);
int ret;
if (data->wakeup_irq > 0 && device_may_wakeup(dev))
disable_irq_wake(data->wakeup_irq);
pinctrl_pm_select_default_state(dev);
ret = imx_controller_resume(dev, PMSG_RESUME);
if (!ret && data->supports_runtime_pm) {
pm_runtime_disable(dev);
pm_runtime_set_active(dev);
pm_runtime_enable(dev);
}
return ret;
}
static int ci_hdrc_imx_runtime_suspend(struct device *dev)
{
struct ci_hdrc_imx_data *data = dev_get_drvdata(dev);
if (data->in_lpm) {
WARN_ON(1);
return 0;
}
return imx_controller_suspend(dev, PMSG_AUTO_SUSPEND);
}
static int ci_hdrc_imx_runtime_resume(struct device *dev)
{
return imx_controller_resume(dev, PMSG_AUTO_RESUME);
}
static const struct dev_pm_ops ci_hdrc_imx_pm_ops = {
SYSTEM_SLEEP_PM_OPS(ci_hdrc_imx_suspend, ci_hdrc_imx_resume)
RUNTIME_PM_OPS(ci_hdrc_imx_runtime_suspend, ci_hdrc_imx_runtime_resume, NULL)
};
static struct platform_driver ci_hdrc_imx_driver = {
.probe = ci_hdrc_imx_probe,
.remove = ci_hdrc_imx_remove,
.shutdown = ci_hdrc_imx_shutdown,
.driver = {
.name = "imx_usb",
.of_match_table = ci_hdrc_imx_dt_ids,
.pm = pm_ptr(&ci_hdrc_imx_pm_ops),
},
};
module_platform_driver(ci_hdrc_imx_driver);
MODULE_ALIAS("platform:imx-usb");
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("CI HDRC i.MX USB binding");
MODULE_AUTHOR("Marek Vasut <marex@denx.de>");
MODULE_AUTHOR("Richard Zhao <richard.zhao@freescale.com>");
