ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/drivers/usb/chipidea/ci_hdrc_imx.c b/marvell/linux/drivers/usb/chipidea/ci_hdrc_imx.c
new file mode 100644
index 0000000..0fe5458
--- /dev/null
+++ b/marvell/linux/drivers/usb/chipidea/ci_hdrc_imx.c
@@ -0,0 +1,652 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2012 Freescale Semiconductor, Inc.
+ * Copyright (C) 2012 Marek Vasut <marex@denx.de>
+ * on behalf of DENX Software Engineering GmbH
+ */
+
+#include <linux/module.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_PMQOS,
+};
+
+static const struct ci_hdrc_imx_platform_flag imx8ulp_usb_data = {
+ .flags = CI_HDRC_SUPPORTS_RUNTIME_PM,
+};
+
+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},
+ { /* sentinel */ }
+};
+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 imx_usbmisc_data *usbmisc_data;
+ 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;
+ /* SoC before i.mx6 (except imx23/imx28) needs three clks */
+ 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;
+};
+
+/* Common functions shared by usbmisc drivers */
+
+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;
+
+ /*
+ * In case the fsl,usbmisc property is not present this device doesn't
+ * need usbmisc. Return NULL (which is no error here)
+ */
+ if (!of_get_property(np, "fsl,usbmisc", NULL))
+ 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;
+
+ /*
+ * Check the various over current related properties. If over current
+ * detection is disabled we're not interested in the polarity.
+ */
+ if (of_find_property(np, "disable-over-current", NULL)) {
+ data->disable_oc = 1;
+ } else if (of_find_property(np, "over-current-active-high", NULL)) {
+ data->oc_pol_active_low = 0;
+ data->oc_pol_configured = 1;
+ } else if (of_find_property(np, "over-current-active-low", NULL)) {
+ 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;
+
+ return data;
+}
+
+/* End of common functions shared by usbmisc drivers*/
+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)) {
+ /* If the platform only needs one clocks */
+ 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;
+ }
+ 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;
+
+ switch (event) {
+ case CI_HDRC_IMX_HSIC_ACTIVE_EVENT:
+ 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(data->usbmisc_data);
+ if (ret)
+ dev_err(dev,
+ "hsic_set_connect failed, err=%d\n", ret);
+ break;
+ default:
+ break;
+ }
+
+ return ret;
+}
+
+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,
+ .notify_event = ci_hdrc_imx_notify_event,
+ };
+ int ret;
+ const struct of_device_id *of_id;
+ const struct ci_hdrc_imx_platform_flag *imx_platform_flag;
+ struct device_node *np = pdev->dev.of_node;
+ struct device *dev = &pdev->dev;
+ struct pinctrl_state *pinctrl_hsic_idle;
+
+ of_id = of_match_device(ci_hdrc_imx_dt_ids, dev);
+ if (!of_id)
+ return -ENODEV;
+
+ imx_platform_flag = of_id->data;
+
+ 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 (IS_ERR(data->pinctrl)) {
+ dev_err(dev, "pinctrl get failed, err=%ld\n",
+ PTR_ERR(data->pinctrl));
+ return PTR_ERR(data->pinctrl);
+ }
+
+ 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));
+ return PTR_ERR(pinctrl_hsic_idle);
+ }
+
+ ret = pinctrl_select_state(data->pinctrl, pinctrl_hsic_idle);
+ if (ret) {
+ dev_err(dev, "hsic_idle select failed, err=%d\n", ret);
+ return ret;
+ }
+
+ 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));
+ return PTR_ERR(data->pinctrl_hsic_active);
+ }
+
+ data->hsic_pad_regulator = devm_regulator_get(dev, "hsic");
+ if (PTR_ERR(data->hsic_pad_regulator) == -EPROBE_DEFER) {
+ return -EPROBE_DEFER;
+ } else if (PTR_ERR(data->hsic_pad_regulator) == -ENODEV) {
+ /* no pad regualator is needed */
+ data->hsic_pad_regulator = NULL;
+ } else if (IS_ERR(data->hsic_pad_regulator)) {
+ dev_err(dev, "Get HSIC pad regulator error: %ld\n",
+ PTR_ERR(data->hsic_pad_regulator));
+ return PTR_ERR(data->hsic_pad_regulator);
+ }
+
+ if (data->hsic_pad_regulator) {
+ ret = regulator_enable(data->hsic_pad_regulator);
+ if (ret) {
+ dev_err(dev,
+ "Failed to enable HSIC pad regulator\n");
+ return ret;
+ }
+ }
+ }
+
+ if (pdata.flags & CI_HDRC_PMQOS)
+ pm_qos_add_request(&data->pm_qos_req,
+ PM_QOS_CPU_DMA_LATENCY, 0);
+
+ ret = imx_get_clks(dev);
+ if (ret)
+ goto disable_hsic_regulator;
+
+ ret = imx_prepare_enable_clks(dev);
+ if (ret)
+ goto disable_hsic_regulator;
+
+ data->phy = devm_usb_get_phy_by_phandle(dev, "fsl,usbphy", 0);
+ if (IS_ERR(data->phy)) {
+ ret = PTR_ERR(data->phy);
+ /* Return -EINVAL if no usbphy is available */
+ if (ret == -ENODEV)
+ data->phy = NULL;
+ else
+ goto err_clk;
+ }
+
+ pdata.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;
+ usb_phy_init(pdata.usb_phy);
+ }
+
+ if (pdata.flags & CI_HDRC_SUPPORTS_RUNTIME_PM)
+ data->supports_runtime_pm = true;
+
+ ret = imx_usbmisc_init(data->usbmisc_data);
+ if (ret) {
+ dev_err(dev, "usbmisc init failed, ret=%d\n", ret);
+ goto err_clk;
+ }
+
+ 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);
+ if (ret != -EPROBE_DEFER)
+ dev_err(dev, "ci_hdrc_add_device failed, err=%d\n",
+ ret);
+ goto err_clk;
+ }
+
+ 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);
+err_clk:
+ imx_disable_unprepare_clks(dev);
+disable_hsic_regulator:
+ if (data->hsic_pad_regulator)
+ /* don't overwrite original ret (cf. EPROBE_DEFER) */
+ regulator_disable(data->hsic_pad_regulator);
+ if (pdata.flags & CI_HDRC_PMQOS)
+ pm_qos_remove_request(&data->pm_qos_req);
+ data->ci_pdev = NULL;
+ return ret;
+}
+
+static int 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);
+ if (data->plat_data->flags & CI_HDRC_PMQOS)
+ pm_qos_remove_request(&data->pm_qos_req);
+ if (data->hsic_pad_regulator)
+ regulator_disable(data->hsic_pad_regulator);
+ }
+
+ return 0;
+}
+
+static void ci_hdrc_imx_shutdown(struct platform_device *pdev)
+{
+ ci_hdrc_imx_remove(pdev);
+}
+
+static int __maybe_unused imx_controller_suspend(struct device *dev)
+{
+ struct ci_hdrc_imx_data *data = dev_get_drvdata(dev);
+ int ret = 0;
+
+ dev_dbg(dev, "at %s\n", __func__);
+
+ ret = imx_usbmisc_hsic_set_clk(data->usbmisc_data, false);
+ if (ret) {
+ dev_err(dev, "usbmisc hsic_set_clk failed, ret=%d\n", ret);
+ return ret;
+ }
+
+ imx_disable_unprepare_clks(dev);
+ if (data->plat_data->flags & CI_HDRC_PMQOS)
+ pm_qos_remove_request(&data->pm_qos_req);
+
+ data->in_lpm = true;
+
+ return 0;
+}
+
+static int __maybe_unused imx_controller_resume(struct device *dev)
+{
+ 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)
+ pm_qos_add_request(&data->pm_qos_req,
+ PM_QOS_CPU_DMA_LATENCY, 0);
+
+ ret = imx_prepare_enable_clks(dev);
+ if (ret)
+ return ret;
+
+ data->in_lpm = false;
+
+ ret = imx_usbmisc_set_wakeup(data->usbmisc_data, false);
+ if (ret) {
+ dev_err(dev, "usbmisc set_wakeup failed, ret=%d\n", ret);
+ goto clk_disable;
+ }
+
+ ret = imx_usbmisc_hsic_set_clk(data->usbmisc_data, true);
+ if (ret) {
+ dev_err(dev, "usbmisc hsic_set_clk failed, ret=%d\n", ret);
+ goto hsic_set_clk_fail;
+ }
+
+ return 0;
+
+hsic_set_clk_fail:
+ imx_usbmisc_set_wakeup(data->usbmisc_data, true);
+clk_disable:
+ imx_disable_unprepare_clks(dev);
+ return ret;
+}
+
+static int __maybe_unused ci_hdrc_imx_suspend(struct device *dev)
+{
+ int ret;
+
+ struct ci_hdrc_imx_data *data = dev_get_drvdata(dev);
+
+ if (data->in_lpm)
+ /* The core's suspend doesn't run */
+ return 0;
+
+ if (device_may_wakeup(dev)) {
+ ret = imx_usbmisc_set_wakeup(data->usbmisc_data, true);
+ if (ret) {
+ dev_err(dev, "usbmisc set_wakeup failed, ret=%d\n",
+ ret);
+ return ret;
+ }
+ }
+
+ return imx_controller_suspend(dev);
+}
+
+static int __maybe_unused ci_hdrc_imx_resume(struct device *dev)
+{
+ struct ci_hdrc_imx_data *data = dev_get_drvdata(dev);
+ int ret;
+
+ ret = imx_controller_resume(dev);
+ if (!ret && data->supports_runtime_pm) {
+ pm_runtime_disable(dev);
+ pm_runtime_set_active(dev);
+ pm_runtime_enable(dev);
+ }
+
+ return ret;
+}
+
+static int __maybe_unused ci_hdrc_imx_runtime_suspend(struct device *dev)
+{
+ struct ci_hdrc_imx_data *data = dev_get_drvdata(dev);
+ int ret;
+
+ if (data->in_lpm) {
+ WARN_ON(1);
+ return 0;
+ }
+
+ ret = imx_usbmisc_set_wakeup(data->usbmisc_data, true);
+ if (ret) {
+ dev_err(dev, "usbmisc set_wakeup failed, ret=%d\n", ret);
+ return ret;
+ }
+
+ return imx_controller_suspend(dev);
+}
+
+static int __maybe_unused ci_hdrc_imx_runtime_resume(struct device *dev)
+{
+ return imx_controller_resume(dev);
+}
+
+static const struct dev_pm_ops ci_hdrc_imx_pm_ops = {
+ SET_SYSTEM_SLEEP_PM_OPS(ci_hdrc_imx_suspend, ci_hdrc_imx_resume)
+ SET_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 = &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>");