| /* |
| * Copyright 2012-2014 Freescale Semiconductor, Inc. |
| * Copyright (C) 2012 Marek Vasut <marex@denx.de> |
| * on behalf of DENX Software Engineering GmbH |
| * |
| * The code contained herein is licensed under the GNU General Public |
| * License. You may obtain a copy of the GNU General Public License |
| * Version 2 or later at the following locations: |
| * |
| * http://www.opensource.org/licenses/gpl-license.html |
| * http://www.gnu.org/copyleft/gpl.html |
| */ |
| |
| #include <linux/module.h> |
| #include <linux/of_platform.h> |
| #include <linux/of_gpio.h> |
| #include <linux/platform_device.h> |
| #include <linux/pm_runtime.h> |
| #include <linux/dma-mapping.h> |
| #include <linux/usb/chipidea.h> |
| #include <linux/clk.h> |
| #include <linux/busfreq-imx6.h> |
| #include <linux/of_device.h> |
| #include <linux/regmap.h> |
| #include <linux/mfd/syscon.h> |
| #include <linux/power/imx6_usb_charger.h> |
| #include <linux/regulator/consumer.h> |
| |
| #include "ci.h" |
| #include "ci_hdrc_imx.h" |
| #include "otg.h" |
| #include "bits.h" |
| |
| struct ci_hdrc_imx_platform_flag { |
| unsigned int flags; |
| u32 ahbburst_config; |
| u32 burst_length; |
| }; |
| |
| static const struct ci_hdrc_imx_platform_flag imx27_usb_data = { |
| }; |
| |
| static const struct ci_hdrc_imx_platform_flag imx23_usb_data = { |
| .flags = CI_HDRC_IMX_EHCI_QUIRK | |
| CI_HDRC_DISABLE_STREAMING, |
| }; |
| |
| static const struct ci_hdrc_imx_platform_flag imx28_usb_data = { |
| .flags = CI_HDRC_IMX28_WRITE_FIX | |
| CI_HDRC_IMX_EHCI_QUIRK | |
| CI_HDRC_DISABLE_STREAMING, |
| }; |
| |
| static const struct ci_hdrc_imx_platform_flag imx6q_usb_data = { |
| .flags = CI_HDRC_SUPPORTS_RUNTIME_PM | |
| CI_HDRC_IMX_EHCI_QUIRK | |
| CI_HDRC_DISABLE_STREAMING | |
| CI_HDRC_OVERRIDE_AHB_BURST | |
| CI_HDRC_OVERRIDE_BURST_LENGTH, |
| .ahbburst_config = 0, /*bit0 - bit2 at $BASE + 0x90 */ |
| .burst_length = 0x1010, /*bit0 - bit15 at $BASE + 0x160 */ |
| }; |
| |
| static const struct ci_hdrc_imx_platform_flag imx6sl_usb_data = { |
| .flags = CI_HDRC_SUPPORTS_RUNTIME_PM | |
| CI_HDRC_IMX_EHCI_QUIRK | |
| CI_HDRC_DISABLE_HOST_STREAMING | |
| CI_HDRC_OVERRIDE_AHB_BURST | |
| CI_HDRC_OVERRIDE_BURST_LENGTH, |
| .ahbburst_config = 0, |
| .burst_length = 0x1010, |
| }; |
| |
| static const struct ci_hdrc_imx_platform_flag imx6sx_usb_data = { |
| .flags = CI_HDRC_SUPPORTS_RUNTIME_PM | |
| CI_HDRC_IMX_EHCI_QUIRK | |
| CI_HDRC_DISABLE_HOST_STREAMING | |
| CI_HDRC_OVERRIDE_AHB_BURST | |
| CI_HDRC_IS_FSL_IMX6SX | |
| CI_HDRC_OVERRIDE_BURST_LENGTH, |
| .ahbburst_config = 0, |
| .burst_length = 0x1010, |
| }; |
| |
| static const struct of_device_id ci_hdrc_imx_dt_ids[] = { |
| { .compatible = "fsl,imx6sx-usb", .data = &imx6sx_usb_data}, |
| { .compatible = "fsl,imx6sl-usb", .data = &imx6sl_usb_data}, |
| { .compatible = "fsl,imx6q-usb", .data = &imx6q_usb_data}, |
| { .compatible = "fsl,imx28-usb", .data = &imx28_usb_data}, |
| { .compatible = "fsl,imx23-usb", .data = &imx23_usb_data}, |
| { .compatible = "fsl,imx27-usb", .data = &imx27_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 in_lpm; |
| bool imx6_usb_charger_detection; |
| struct usb_charger charger; |
| struct regmap *anatop; |
| struct pinctrl *pinctrl; |
| struct pinctrl_state *pinctrl_hsic_active; |
| struct regulator *hsic_pad_regulator; |
| const struct ci_hdrc_imx_platform_flag *data; |
| }; |
| |
| static inline bool is_imx6q_con(struct ci_hdrc_imx_data *imx_data) |
| { |
| return imx_data->data == &imx6q_usb_data; |
| } |
| |
| static inline bool is_imx6sl_con(struct ci_hdrc_imx_data *imx_data) |
| { |
| return imx_data->data == &imx6sl_usb_data; |
| } |
| |
| static inline bool is_imx6sx_con(struct ci_hdrc_imx_data *imx_data) |
| { |
| return imx_data->data == &imx6sx_usb_data; |
| } |
| |
| static inline bool imx_has_hsic_con(struct ci_hdrc_imx_data *imx_data) |
| { |
| return is_imx6q_con(imx_data) || is_imx6sl_con(imx_data) |
| || is_imx6sx_con(imx_data); |
| } |
| /* Common functions shared by usbmisc drivers */ |
| |
| static struct imx_usbmisc_data *usbmisc_get_init_data(struct device *dev) |
| { |
| 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]; |
| of_node_put(args.np); |
| |
| if (of_find_property(np, "disable-over-current", NULL)) |
| data->disable_oc = 1; |
| |
| if (of_find_property(np, "external-vbus-divider", NULL)) |
| data->evdo = 1; |
| |
| if (of_find_property(np, "osc-clkgate-delay", NULL)) { |
| ret = of_property_read_u32(np, "osc-clkgate-delay", |
| &data->osc_clkgate_delay); |
| if (ret) { |
| dev_err(dev, |
| "failed to get osc-clkgate-delay value\n"); |
| return ERR_PTR(ret); |
| } |
| /* |
| * 0 <= osc_clkgate_delay <=7 |
| * - 0x0 (default) is 0.5ms, |
| * - 0x1-0x7: 1-7ms |
| */ |
| if (data->osc_clkgate_delay > 7) { |
| dev_err(dev, |
| "value of osc-clkgate-delay is incorrect\n"); |
| return ERR_PTR(-EINVAL); |
| } |
| } |
| |
| return data; |
| } |
| |
| /* End of common functions shared by usbmisc drivers*/ |
| |
| static int ci_hdrc_imx_notify_event(struct ci_hdrc *ci, unsigned 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_CONTROLLER_VBUS_EVENT: |
| if (data->usbmisc_data && ci->vbus_active) { |
| imx_usbmisc_vbus_handler(data->usbmisc_data, true); |
| if (data->imx6_usb_charger_detection) |
| ret = imx6_usb_vbus_connect(&data->charger); |
| if (!ret && data->charger.psy.type |
| != POWER_SUPPLY_TYPE_USB) |
| ret = CI_HDRC_NOTIFY_RET_DEFER_EVENT; |
| } else if (data->usbmisc_data && !ci->vbus_active) { |
| imx_usbmisc_vbus_handler(data->usbmisc_data, false); |
| if (data->imx6_usb_charger_detection) |
| ret = imx6_usb_vbus_disconnect(&data->charger); |
| } |
| break; |
| case CI_HDRC_CONTROLLER_CHARGER_POST_EVENT: |
| if (!data->imx6_usb_charger_detection) |
| return ret; |
| ret = imx6_usb_charger_detect_post(&data->charger); |
| break; |
| case CI_HDRC_IMX_HSIC_ACTIVE_EVENT: |
| if (!IS_ERR(data->pinctrl) && |
| !IS_ERR(data->pinctrl_hsic_active)) { |
| ret = pinctrl_select_state(data->pinctrl |
| , data->pinctrl_hsic_active); |
| if (ret) |
| dev_err(dev, |
| "hsic_active select failed, err=%d\n", |
| ret); |
| return ret; |
| } |
| break; |
| case CI_HDRC_IMX_HSIC_SUSPEND_EVENT: |
| if (data->usbmisc_data) { |
| ret = imx_usbmisc_hsic_set_connect(data->usbmisc_data); |
| if (ret) |
| dev_err(dev, |
| "hsic_set_connect failed, err=%d\n", |
| ret); |
| return ret; |
| } |
| break; |
| default: |
| dev_dbg(dev, "unknown event\n"); |
| } |
| |
| 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, |
| .flags = CI_HDRC_REQUIRE_TRANSCEIVER, |
| .notify_event = ci_hdrc_imx_notify_event, |
| }; |
| int ret; |
| const struct of_device_id *of_id = |
| of_match_device(ci_hdrc_imx_dt_ids, &pdev->dev); |
| const struct ci_hdrc_imx_platform_flag *imx_platform_flag = of_id->data; |
| struct device_node *np = pdev->dev.of_node; |
| struct pinctrl_state *pinctrl_hsic_idle; |
| |
| data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); |
| if (!data) { |
| dev_err(&pdev->dev, "Failed to allocate ci_hdrc-imx data!\n"); |
| return -ENOMEM; |
| } |
| |
| platform_set_drvdata(pdev, data); |
| |
| data->data = imx_platform_flag; |
| data->usbmisc_data = usbmisc_get_init_data(&pdev->dev); |
| if (IS_ERR(data->usbmisc_data)) |
| return PTR_ERR(data->usbmisc_data); |
| |
| data->pinctrl = devm_pinctrl_get(&pdev->dev); |
| if (IS_ERR(data->pinctrl)) { |
| dev_dbg(&pdev->dev, "pinctrl get failed, err=%ld\n", |
| PTR_ERR(data->pinctrl)); |
| } else { |
| pinctrl_hsic_idle = pinctrl_lookup_state(data->pinctrl, "idle"); |
| if (IS_ERR(pinctrl_hsic_idle)) { |
| dev_dbg(&pdev->dev, |
| "pinctrl_hsic_idle lookup failed, err=%ld\n", |
| PTR_ERR(pinctrl_hsic_idle)); |
| } else { |
| ret = pinctrl_select_state(data->pinctrl, |
| pinctrl_hsic_idle); |
| if (ret) { |
| dev_err(&pdev->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_dbg(&pdev->dev, |
| "pinctrl_hsic_active lookup failed, err=%ld\n", |
| PTR_ERR(data->pinctrl_hsic_active)); |
| } |
| |
| data->clk = devm_clk_get(&pdev->dev, NULL); |
| if (IS_ERR(data->clk)) { |
| dev_err(&pdev->dev, |
| "Failed to get clock, err=%ld\n", PTR_ERR(data->clk)); |
| return PTR_ERR(data->clk); |
| } |
| |
| request_bus_freq(BUS_FREQ_HIGH); |
| ret = clk_prepare_enable(data->clk); |
| if (ret) { |
| release_bus_freq(BUS_FREQ_HIGH); |
| dev_err(&pdev->dev, |
| "Failed to prepare or enable clock, err=%d\n", ret); |
| return ret; |
| } |
| |
| data->phy = devm_usb_get_phy_by_phandle(&pdev->dev, "fsl,usbphy", 0); |
| if (IS_ERR(data->phy)) { |
| ret = PTR_ERR(data->phy); |
| goto err_clk; |
| } |
| |
| pdata.phy = data->phy; |
| pdata.flags |= imx_platform_flag->flags; |
| |
| if (!pdev->dev.dma_mask) |
| pdev->dev.dma_mask = &pdev->dev.coherent_dma_mask; |
| if (!pdev->dev.coherent_dma_mask) |
| pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32); |
| |
| if (imx_platform_flag->flags & CI_HDRC_SUPPORTS_RUNTIME_PM) |
| data->supports_runtime_pm = true; |
| |
| if (data->usbmisc_data && data->usbmisc_data->index > 1 && |
| (imx_has_hsic_con(data))) { |
| |
| pdata.flags |= CI_HDRC_IMX_IS_HSIC; |
| data->hsic_pad_regulator = |
| devm_regulator_get(&pdev->dev, "pad"); |
| if (PTR_ERR(data->hsic_pad_regulator) == -EPROBE_DEFER) { |
| ret = -EPROBE_DEFER; |
| goto err_clk; |
| } 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(&pdev->dev, |
| "Get hsic pad regulator error: %ld\n", |
| PTR_ERR(data->hsic_pad_regulator)); |
| ret = PTR_ERR(data->hsic_pad_regulator); |
| goto err_clk; |
| } |
| |
| if (data->hsic_pad_regulator) { |
| ret = regulator_enable(data->hsic_pad_regulator); |
| if (ret) { |
| dev_err(&pdev->dev, |
| "Fail to enable hsic pad regulator\n"); |
| goto err_clk; |
| } |
| } |
| } |
| |
| if (of_find_property(np, "imx6-usb-charger-detection", NULL)) |
| data->imx6_usb_charger_detection = true; |
| |
| if (of_find_property(np, "fsl,anatop", NULL)) { |
| data->anatop = syscon_regmap_lookup_by_phandle |
| (np, "fsl,anatop"); |
| if (IS_ERR(data->anatop)) { |
| dev_dbg(&pdev->dev, |
| "failed to find regmap for anatop\n"); |
| ret = PTR_ERR(data->anatop); |
| goto disable_hsic_regulator; |
| } |
| if (data->usbmisc_data) |
| data->usbmisc_data->anatop = data->anatop; |
| if (data->imx6_usb_charger_detection) { |
| data->charger.anatop = data->anatop; |
| data->charger.dev = &pdev->dev; |
| data->charger.psy.of_node = np; |
| ret = imx6_usb_create_charger(&data->charger, |
| "imx6_usb_charger"); |
| if (ret && ret != -ENODEV) |
| goto disable_hsic_regulator; |
| if (!ret) |
| dev_dbg(&pdev->dev, |
| "USB Charger is created\n"); |
| } |
| } |
| |
| if (data->usbmisc_data) { |
| ret = imx_usbmisc_init(data->usbmisc_data); |
| if (ret) { |
| dev_err(&pdev->dev, "usbmisc init failed, ret=%d\n", |
| ret); |
| goto remove_charger; |
| } |
| } |
| |
| if (imx_platform_flag->flags & CI_HDRC_OVERRIDE_AHB_BURST) |
| pdata.ahbburst_config = imx_platform_flag->ahbburst_config; |
| |
| if (imx_platform_flag->flags & CI_HDRC_OVERRIDE_BURST_LENGTH) |
| pdata.burst_length = imx_platform_flag->burst_length; |
| |
| data->ci_pdev = ci_hdrc_add_device(&pdev->dev, |
| pdev->resource, pdev->num_resources, |
| &pdata); |
| if (IS_ERR(data->ci_pdev)) { |
| ret = PTR_ERR(data->ci_pdev); |
| dev_err(&pdev->dev, |
| "Can't register ci_hdrc platform device, err=%d\n", |
| ret); |
| goto remove_charger; |
| } |
| |
| /* usbmisc needs to know dr mode to choose wakeup setting */ |
| if (data->usbmisc_data) |
| data->usbmisc_data->available_role = |
| ci_hdrc_query_available_role(data->ci_pdev); |
| |
| if (data->usbmisc_data) { |
| ret = imx_usbmisc_init_post(data->usbmisc_data); |
| if (ret) { |
| dev_err(&pdev->dev, "usbmisc post failed, ret=%d\n", |
| ret); |
| goto disable_device; |
| } |
| } |
| |
| if (data->usbmisc_data) { |
| ret = imx_usbmisc_set_wakeup(data->usbmisc_data, false); |
| if (ret) { |
| dev_err(&pdev->dev, "usbmisc set_wakeup failed, ret=%d\n", |
| ret); |
| goto disable_device; |
| } |
| } |
| |
| device_set_wakeup_capable(&pdev->dev, true); |
| |
| if (data->supports_runtime_pm) { |
| pm_runtime_set_active(&pdev->dev); |
| pm_runtime_enable(&pdev->dev); |
| } |
| |
| return 0; |
| |
| disable_device: |
| ci_hdrc_remove_device(data->ci_pdev); |
| remove_charger: |
| if (data->imx6_usb_charger_detection) |
| imx6_usb_remove_charger(&data->charger); |
| disable_hsic_regulator: |
| if (data->hsic_pad_regulator) |
| ret = regulator_disable(data->hsic_pad_regulator); |
| err_clk: |
| clk_disable_unprepare(data->clk); |
| release_bus_freq(BUS_FREQ_HIGH); |
| return ret; |
| } |
| |
| static int ci_hdrc_imx_remove(struct platform_device *pdev) |
| { |
| struct ci_hdrc_imx_data *data = platform_get_drvdata(pdev); |
| |
| ci_hdrc_remove_device(data->ci_pdev); |
| if (data->supports_runtime_pm) { |
| pm_runtime_get_sync(&pdev->dev); |
| pm_runtime_disable(&pdev->dev); |
| pm_runtime_put_noidle(&pdev->dev); |
| } |
| clk_disable_unprepare(data->clk); |
| release_bus_freq(BUS_FREQ_HIGH); |
| if (data->imx6_usb_charger_detection) |
| imx6_usb_remove_charger(&data->charger); |
| if (data->hsic_pad_regulator) |
| regulator_disable(data->hsic_pad_regulator); |
| |
| return 0; |
| } |
| |
| #ifdef CONFIG_PM |
| static int imx_controller_suspend(struct device *dev) |
| { |
| struct ci_hdrc_imx_data *data = dev_get_drvdata(dev); |
| int ret; |
| |
| dev_dbg(dev, "at %s\n", __func__); |
| |
| if (data->usbmisc_data) { |
| 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; |
| } |
| } |
| |
| clk_disable_unprepare(data->clk); |
| release_bus_freq(BUS_FREQ_HIGH); |
| data->in_lpm = true; |
| |
| return 0; |
| } |
| |
| static int 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__); |
| |
| WARN_ON(!data->in_lpm); |
| |
| if (!data->in_lpm) |
| return 0; |
| |
| request_bus_freq(BUS_FREQ_HIGH); |
| ret = clk_prepare_enable(data->clk); |
| if (ret) { |
| release_bus_freq(BUS_FREQ_HIGH); |
| return ret; |
| } |
| |
| data->in_lpm = false; |
| |
| if (data->usbmisc_data) { |
| ret = imx_usbmisc_power_lost_check(data->usbmisc_data); |
| /* re-init if resume from power lost */ |
| if (ret > 0) { |
| ret = imx_usbmisc_init(data->usbmisc_data); |
| if (ret) { |
| dev_err(dev, "usbmisc init failed, ret=%d\n", |
| ret); |
| goto clk_disable; |
| } |
| } |
| 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: |
| clk_disable_unprepare(data->clk); |
| release_bus_freq(BUS_FREQ_HIGH); |
| |
| return ret; |
| } |
| |
| #ifdef CONFIG_PM_SLEEP |
| static int ci_hdrc_imx_suspend(struct device *dev) |
| { |
| struct ci_hdrc_imx_data *data = dev_get_drvdata(dev); |
| int ret; |
| |
| if (data->in_lpm) |
| /* The core's suspend doesn't run */ |
| return 0; |
| |
| if (device_may_wakeup(dev) && data->usbmisc_data) { |
| 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 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; |
| } |
| #endif /* CONFIG_PM_SLEEP */ |
| |
| #ifdef CONFIG_PM_RUNTIME |
| static int ci_hdrc_imx_runtime_suspend(struct device *dev) |
| { |
| struct ci_hdrc_imx_data *data = dev_get_drvdata(dev); |
| int ret; |
| |
| WARN_ON(data->in_lpm); |
| |
| if (data->in_lpm) |
| return 0; |
| |
| if (data->usbmisc_data) { |
| 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 ci_hdrc_imx_runtime_resume(struct device *dev) |
| { |
| return imx_controller_resume(dev); |
| } |
| #endif /* CONFIG_PM_RUNTIME */ |
| |
| #endif /* CONFIG_PM */ |
| 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, |
| .driver = { |
| .name = "imx_usb", |
| .owner = THIS_MODULE, |
| .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 v2"); |
| MODULE_DESCRIPTION("CI HDRC i.MX USB binding"); |
| MODULE_AUTHOR("Marek Vasut <marex@denx.de>"); |
| MODULE_AUTHOR("Richard Zhao <richard.zhao@freescale.com>"); |