| // 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, |
| }; |
| |
| 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 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}, |
| { /* 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 || !platform_get_drvdata(misc_pdev)) |
| 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; |
| 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; |
| 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; |
| |
| 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 (PTR_ERR(data->pinctrl) == -ENODEV) |
| data->pinctrl = NULL; |
| else if (IS_ERR(data->pinctrl)) { |
| if (PTR_ERR(data->pinctrl) != -EPROBE_DEFER) |
| dev_err(dev, "pinctrl get failed, err=%ld\n", |
| PTR_ERR(data->pinctrl)); |
| return PTR_ERR(data->pinctrl); |
| } |
| |
| data->hsic_pad_regulator = |
| devm_regulator_get_optional(dev, "hsic"); |
| 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)) { |
| if (PTR_ERR(data->hsic_pad_regulator) != -EPROBE_DEFER) |
| 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; |
| } |
| } |
| } |
| |
| /* HSIC pinctrl handling */ |
| 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)); |
| 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); |
| } |
| } |
| |
| if (pdata.flags & CI_HDRC_PMQOS) |
| cpu_latency_qos_add_request(&data->pm_qos_req, 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 (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; |
| 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; |
| } |
| |
| 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; |
| } |
| |
| 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) |
| cpu_latency_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) |
| cpu_latency_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) |
| cpu_latency_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) |
| cpu_latency_qos_add_request(&data->pm_qos_req, 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>"); |