14bc36fd3SMian Yousaf Kaukab /* 24bc36fd3SMian Yousaf Kaukab * Copyright (C) 2010 ST-Ericsson AB 34bc36fd3SMian Yousaf Kaukab * Mian Yousaf Kaukab <mian.yousaf.kaukab@stericsson.com> 44bc36fd3SMian Yousaf Kaukab * 54bc36fd3SMian Yousaf Kaukab * Based on omap2430.c 64bc36fd3SMian Yousaf Kaukab * 74bc36fd3SMian Yousaf Kaukab * This program is free software; you can redistribute it and/or modify 84bc36fd3SMian Yousaf Kaukab * it under the terms of the GNU General Public License as published by 94bc36fd3SMian Yousaf Kaukab * the Free Software Foundation; either version 2 of the License, or 104bc36fd3SMian Yousaf Kaukab * (at your option) any later version. 114bc36fd3SMian Yousaf Kaukab * 124bc36fd3SMian Yousaf Kaukab * This program is distributed in the hope that it will be useful, 134bc36fd3SMian Yousaf Kaukab * but WITHOUT ANY WARRANTY; without even the implied warranty of 144bc36fd3SMian Yousaf Kaukab * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 154bc36fd3SMian Yousaf Kaukab * GNU General Public License for more details. 164bc36fd3SMian Yousaf Kaukab * 174bc36fd3SMian Yousaf Kaukab * You should have received a copy of the GNU General Public License 184bc36fd3SMian Yousaf Kaukab * along with this program; if not, write to the Free Software 194bc36fd3SMian Yousaf Kaukab * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 204bc36fd3SMian Yousaf Kaukab */ 214bc36fd3SMian Yousaf Kaukab 224bc36fd3SMian Yousaf Kaukab #include <linux/module.h> 234bc36fd3SMian Yousaf Kaukab #include <linux/kernel.h> 244bc36fd3SMian Yousaf Kaukab #include <linux/init.h> 254bc36fd3SMian Yousaf Kaukab #include <linux/clk.h> 26ded017eeSKishon Vijay Abraham I #include <linux/err.h> 274bc36fd3SMian Yousaf Kaukab #include <linux/io.h> 284bc36fd3SMian Yousaf Kaukab #include <linux/platform_device.h> 29af6882beSFabio Baltieri #include <linux/usb/musb-ux500.h> 304bc36fd3SMian Yousaf Kaukab 314bc36fd3SMian Yousaf Kaukab #include "musb_core.h" 324bc36fd3SMian Yousaf Kaukab 334bc36fd3SMian Yousaf Kaukab struct ux500_glue { 344bc36fd3SMian Yousaf Kaukab struct device *dev; 354bc36fd3SMian Yousaf Kaukab struct platform_device *musb; 364bc36fd3SMian Yousaf Kaukab struct clk *clk; 374bc36fd3SMian Yousaf Kaukab }; 384bc36fd3SMian Yousaf Kaukab #define glue_to_musb(g) platform_get_drvdata(g->musb) 394bc36fd3SMian Yousaf Kaukab 40996a9d26SFabio Baltieri static void ux500_musb_set_vbus(struct musb *musb, int is_on) 41996a9d26SFabio Baltieri { 42996a9d26SFabio Baltieri u8 devctl; 43996a9d26SFabio Baltieri unsigned long timeout = jiffies + msecs_to_jiffies(1000); 44996a9d26SFabio Baltieri /* HDRC controls CPEN, but beware current surges during device 45996a9d26SFabio Baltieri * connect. They can trigger transient overcurrent conditions 46996a9d26SFabio Baltieri * that must be ignored. 47996a9d26SFabio Baltieri */ 48996a9d26SFabio Baltieri 49996a9d26SFabio Baltieri devctl = musb_readb(musb->mregs, MUSB_DEVCTL); 50996a9d26SFabio Baltieri 51996a9d26SFabio Baltieri if (is_on) { 52996a9d26SFabio Baltieri if (musb->xceiv->state == OTG_STATE_A_IDLE) { 53996a9d26SFabio Baltieri /* start the session */ 54996a9d26SFabio Baltieri devctl |= MUSB_DEVCTL_SESSION; 55996a9d26SFabio Baltieri musb_writeb(musb->mregs, MUSB_DEVCTL, devctl); 56996a9d26SFabio Baltieri /* 57996a9d26SFabio Baltieri * Wait for the musb to set as A device to enable the 58996a9d26SFabio Baltieri * VBUS 59996a9d26SFabio Baltieri */ 60996a9d26SFabio Baltieri while (musb_readb(musb->mregs, MUSB_DEVCTL) & 0x80) { 61996a9d26SFabio Baltieri 62996a9d26SFabio Baltieri if (time_after(jiffies, timeout)) { 63996a9d26SFabio Baltieri dev_err(musb->controller, 64996a9d26SFabio Baltieri "configured as A device timeout"); 65996a9d26SFabio Baltieri break; 66996a9d26SFabio Baltieri } 67996a9d26SFabio Baltieri } 68996a9d26SFabio Baltieri 69996a9d26SFabio Baltieri } else { 70996a9d26SFabio Baltieri musb->is_active = 1; 71996a9d26SFabio Baltieri musb->xceiv->otg->default_a = 1; 72996a9d26SFabio Baltieri musb->xceiv->state = OTG_STATE_A_WAIT_VRISE; 73996a9d26SFabio Baltieri devctl |= MUSB_DEVCTL_SESSION; 74996a9d26SFabio Baltieri MUSB_HST_MODE(musb); 75996a9d26SFabio Baltieri } 76996a9d26SFabio Baltieri } else { 77996a9d26SFabio Baltieri musb->is_active = 0; 78996a9d26SFabio Baltieri 79996a9d26SFabio Baltieri /* NOTE: we're skipping A_WAIT_VFALL -> A_IDLE and jumping 80996a9d26SFabio Baltieri * right to B_IDLE... 81996a9d26SFabio Baltieri */ 82996a9d26SFabio Baltieri musb->xceiv->otg->default_a = 0; 83996a9d26SFabio Baltieri devctl &= ~MUSB_DEVCTL_SESSION; 84996a9d26SFabio Baltieri MUSB_DEV_MODE(musb); 85996a9d26SFabio Baltieri } 86996a9d26SFabio Baltieri musb_writeb(musb->mregs, MUSB_DEVCTL, devctl); 87996a9d26SFabio Baltieri 88996a9d26SFabio Baltieri /* 89996a9d26SFabio Baltieri * Devctl values will be updated after vbus goes below 90996a9d26SFabio Baltieri * session_valid. The time taken depends on the capacitance 91996a9d26SFabio Baltieri * on VBUS line. The max discharge time can be upto 1 sec 92996a9d26SFabio Baltieri * as per the spec. Typically on our platform, it is 200ms 93996a9d26SFabio Baltieri */ 94996a9d26SFabio Baltieri if (!is_on) 95996a9d26SFabio Baltieri mdelay(200); 96996a9d26SFabio Baltieri 97996a9d26SFabio Baltieri dev_dbg(musb->controller, "VBUS %s, devctl %02x\n", 98996a9d26SFabio Baltieri usb_otg_state_string(musb->xceiv->state), 99996a9d26SFabio Baltieri musb_readb(musb->mregs, MUSB_DEVCTL)); 100996a9d26SFabio Baltieri } 101996a9d26SFabio Baltieri 1020135522cSFabio Baltieri static int musb_otg_notifications(struct notifier_block *nb, 1030135522cSFabio Baltieri unsigned long event, void *unused) 1040135522cSFabio Baltieri { 1050135522cSFabio Baltieri struct musb *musb = container_of(nb, struct musb, nb); 1060135522cSFabio Baltieri 1070135522cSFabio Baltieri dev_dbg(musb->controller, "musb_otg_notifications %ld %s\n", 1080135522cSFabio Baltieri event, usb_otg_state_string(musb->xceiv->state)); 1090135522cSFabio Baltieri 1100135522cSFabio Baltieri switch (event) { 111af6882beSFabio Baltieri case UX500_MUSB_ID: 1120135522cSFabio Baltieri dev_dbg(musb->controller, "ID GND\n"); 1130135522cSFabio Baltieri ux500_musb_set_vbus(musb, 1); 1140135522cSFabio Baltieri break; 115af6882beSFabio Baltieri case UX500_MUSB_VBUS: 1160135522cSFabio Baltieri dev_dbg(musb->controller, "VBUS Connect\n"); 1170135522cSFabio Baltieri break; 118af6882beSFabio Baltieri case UX500_MUSB_NONE: 1190135522cSFabio Baltieri dev_dbg(musb->controller, "VBUS Disconnect\n"); 1200135522cSFabio Baltieri if (is_host_active(musb)) 1210135522cSFabio Baltieri ux500_musb_set_vbus(musb, 0); 1220135522cSFabio Baltieri else 1230135522cSFabio Baltieri musb->xceiv->state = OTG_STATE_B_IDLE; 1240135522cSFabio Baltieri break; 1250135522cSFabio Baltieri default: 1260135522cSFabio Baltieri dev_dbg(musb->controller, "ID float\n"); 1270135522cSFabio Baltieri return NOTIFY_DONE; 1280135522cSFabio Baltieri } 1290135522cSFabio Baltieri return NOTIFY_OK; 1300135522cSFabio Baltieri } 1310135522cSFabio Baltieri 132baef653aSPhilippe De Swert static irqreturn_t ux500_musb_interrupt(int irq, void *__hci) 133baef653aSPhilippe De Swert { 134baef653aSPhilippe De Swert unsigned long flags; 135baef653aSPhilippe De Swert irqreturn_t retval = IRQ_NONE; 136baef653aSPhilippe De Swert struct musb *musb = __hci; 137baef653aSPhilippe De Swert 138baef653aSPhilippe De Swert spin_lock_irqsave(&musb->lock, flags); 139baef653aSPhilippe De Swert 140baef653aSPhilippe De Swert musb->int_usb = musb_readb(musb->mregs, MUSB_INTRUSB); 141baef653aSPhilippe De Swert musb->int_tx = musb_readw(musb->mregs, MUSB_INTRTX); 142baef653aSPhilippe De Swert musb->int_rx = musb_readw(musb->mregs, MUSB_INTRRX); 143baef653aSPhilippe De Swert 144baef653aSPhilippe De Swert if (musb->int_usb || musb->int_tx || musb->int_rx) 145baef653aSPhilippe De Swert retval = musb_interrupt(musb); 146baef653aSPhilippe De Swert 147baef653aSPhilippe De Swert spin_unlock_irqrestore(&musb->lock, flags); 148baef653aSPhilippe De Swert 149baef653aSPhilippe De Swert return retval; 150baef653aSPhilippe De Swert } 151baef653aSPhilippe De Swert 1524bc36fd3SMian Yousaf Kaukab static int ux500_musb_init(struct musb *musb) 1534bc36fd3SMian Yousaf Kaukab { 1540135522cSFabio Baltieri int status; 1550135522cSFabio Baltieri 156662dca54SKishon Vijay Abraham I musb->xceiv = usb_get_phy(USB_PHY_TYPE_USB2); 157ded017eeSKishon Vijay Abraham I if (IS_ERR_OR_NULL(musb->xceiv)) { 1584bc36fd3SMian Yousaf Kaukab pr_err("HS USB OTG: no transceiver configured\n"); 15925736e0cSMing Lei return -EPROBE_DEFER; 1604bc36fd3SMian Yousaf Kaukab } 1614bc36fd3SMian Yousaf Kaukab 1620135522cSFabio Baltieri musb->nb.notifier_call = musb_otg_notifications; 1630135522cSFabio Baltieri status = usb_register_notifier(musb->xceiv, &musb->nb); 1640135522cSFabio Baltieri if (status < 0) { 1650135522cSFabio Baltieri dev_dbg(musb->controller, "notification register failed\n"); 1660135522cSFabio Baltieri return status; 1670135522cSFabio Baltieri } 1680135522cSFabio Baltieri 169baef653aSPhilippe De Swert musb->isr = ux500_musb_interrupt; 170baef653aSPhilippe De Swert 1714bc36fd3SMian Yousaf Kaukab return 0; 1724bc36fd3SMian Yousaf Kaukab } 1734bc36fd3SMian Yousaf Kaukab 1744bc36fd3SMian Yousaf Kaukab static int ux500_musb_exit(struct musb *musb) 1754bc36fd3SMian Yousaf Kaukab { 1760135522cSFabio Baltieri usb_unregister_notifier(musb->xceiv, &musb->nb); 1770135522cSFabio Baltieri 178721002ecSKishon Vijay Abraham I usb_put_phy(musb->xceiv); 1794bc36fd3SMian Yousaf Kaukab 1804bc36fd3SMian Yousaf Kaukab return 0; 1814bc36fd3SMian Yousaf Kaukab } 1824bc36fd3SMian Yousaf Kaukab 1834bc36fd3SMian Yousaf Kaukab static const struct musb_platform_ops ux500_ops = { 1844bc36fd3SMian Yousaf Kaukab .init = ux500_musb_init, 1854bc36fd3SMian Yousaf Kaukab .exit = ux500_musb_exit, 186996a9d26SFabio Baltieri 187996a9d26SFabio Baltieri .set_vbus = ux500_musb_set_vbus, 1884bc36fd3SMian Yousaf Kaukab }; 1894bc36fd3SMian Yousaf Kaukab 19041ac7b3aSBill Pemberton static int ux500_probe(struct platform_device *pdev) 1914bc36fd3SMian Yousaf Kaukab { 19209fc7d22SFelipe Balbi struct resource musb_resources[2]; 1934bc36fd3SMian Yousaf Kaukab struct musb_hdrc_platform_data *pdata = pdev->dev.platform_data; 1944bc36fd3SMian Yousaf Kaukab struct platform_device *musb; 1954bc36fd3SMian Yousaf Kaukab struct ux500_glue *glue; 1964bc36fd3SMian Yousaf Kaukab struct clk *clk; 1974bc36fd3SMian Yousaf Kaukab int ret = -ENOMEM; 1984bc36fd3SMian Yousaf Kaukab 1994bc36fd3SMian Yousaf Kaukab glue = kzalloc(sizeof(*glue), GFP_KERNEL); 2004bc36fd3SMian Yousaf Kaukab if (!glue) { 2014bc36fd3SMian Yousaf Kaukab dev_err(&pdev->dev, "failed to allocate glue context\n"); 2024bc36fd3SMian Yousaf Kaukab goto err0; 2034bc36fd3SMian Yousaf Kaukab } 2044bc36fd3SMian Yousaf Kaukab 2052f771164SSebastian Andrzej Siewior musb = platform_device_alloc("musb-hdrc", PLATFORM_DEVID_AUTO); 2064bc36fd3SMian Yousaf Kaukab if (!musb) { 2074bc36fd3SMian Yousaf Kaukab dev_err(&pdev->dev, "failed to allocate musb device\n"); 2082f771164SSebastian Andrzej Siewior goto err1; 2094bc36fd3SMian Yousaf Kaukab } 2104bc36fd3SMian Yousaf Kaukab 2114bc36fd3SMian Yousaf Kaukab clk = clk_get(&pdev->dev, "usb"); 2124bc36fd3SMian Yousaf Kaukab if (IS_ERR(clk)) { 2134bc36fd3SMian Yousaf Kaukab dev_err(&pdev->dev, "failed to get clock\n"); 2144bc36fd3SMian Yousaf Kaukab ret = PTR_ERR(clk); 21565b3d52dSB, Ravi goto err3; 2164bc36fd3SMian Yousaf Kaukab } 2174bc36fd3SMian Yousaf Kaukab 21899d17cfaSFabio Baltieri ret = clk_prepare_enable(clk); 2194bc36fd3SMian Yousaf Kaukab if (ret) { 2204bc36fd3SMian Yousaf Kaukab dev_err(&pdev->dev, "failed to enable clock\n"); 22165b3d52dSB, Ravi goto err4; 2224bc36fd3SMian Yousaf Kaukab } 2234bc36fd3SMian Yousaf Kaukab 2244bc36fd3SMian Yousaf Kaukab musb->dev.parent = &pdev->dev; 22587266064SMian Yousaf Kaukab musb->dev.dma_mask = pdev->dev.dma_mask; 22687266064SMian Yousaf Kaukab musb->dev.coherent_dma_mask = pdev->dev.coherent_dma_mask; 2274bc36fd3SMian Yousaf Kaukab 2284bc36fd3SMian Yousaf Kaukab glue->dev = &pdev->dev; 2294bc36fd3SMian Yousaf Kaukab glue->musb = musb; 2304bc36fd3SMian Yousaf Kaukab glue->clk = clk; 2314bc36fd3SMian Yousaf Kaukab 2324bc36fd3SMian Yousaf Kaukab pdata->platform_ops = &ux500_ops; 2334bc36fd3SMian Yousaf Kaukab 2344bc36fd3SMian Yousaf Kaukab platform_set_drvdata(pdev, glue); 2354bc36fd3SMian Yousaf Kaukab 23609fc7d22SFelipe Balbi memset(musb_resources, 0x00, sizeof(*musb_resources) * 23709fc7d22SFelipe Balbi ARRAY_SIZE(musb_resources)); 23809fc7d22SFelipe Balbi 23909fc7d22SFelipe Balbi musb_resources[0].name = pdev->resource[0].name; 24009fc7d22SFelipe Balbi musb_resources[0].start = pdev->resource[0].start; 24109fc7d22SFelipe Balbi musb_resources[0].end = pdev->resource[0].end; 24209fc7d22SFelipe Balbi musb_resources[0].flags = pdev->resource[0].flags; 24309fc7d22SFelipe Balbi 24409fc7d22SFelipe Balbi musb_resources[1].name = pdev->resource[1].name; 24509fc7d22SFelipe Balbi musb_resources[1].start = pdev->resource[1].start; 24609fc7d22SFelipe Balbi musb_resources[1].end = pdev->resource[1].end; 24709fc7d22SFelipe Balbi musb_resources[1].flags = pdev->resource[1].flags; 24809fc7d22SFelipe Balbi 24909fc7d22SFelipe Balbi ret = platform_device_add_resources(musb, musb_resources, 25009fc7d22SFelipe Balbi ARRAY_SIZE(musb_resources)); 2514bc36fd3SMian Yousaf Kaukab if (ret) { 2524bc36fd3SMian Yousaf Kaukab dev_err(&pdev->dev, "failed to add resources\n"); 25365b3d52dSB, Ravi goto err5; 2544bc36fd3SMian Yousaf Kaukab } 2554bc36fd3SMian Yousaf Kaukab 2564bc36fd3SMian Yousaf Kaukab ret = platform_device_add_data(musb, pdata, sizeof(*pdata)); 2574bc36fd3SMian Yousaf Kaukab if (ret) { 2584bc36fd3SMian Yousaf Kaukab dev_err(&pdev->dev, "failed to add platform_data\n"); 25965b3d52dSB, Ravi goto err5; 2604bc36fd3SMian Yousaf Kaukab } 2614bc36fd3SMian Yousaf Kaukab 2624bc36fd3SMian Yousaf Kaukab ret = platform_device_add(musb); 2634bc36fd3SMian Yousaf Kaukab if (ret) { 2644bc36fd3SMian Yousaf Kaukab dev_err(&pdev->dev, "failed to register musb device\n"); 26565b3d52dSB, Ravi goto err5; 2664bc36fd3SMian Yousaf Kaukab } 2674bc36fd3SMian Yousaf Kaukab 2684bc36fd3SMian Yousaf Kaukab return 0; 2694bc36fd3SMian Yousaf Kaukab 27065b3d52dSB, Ravi err5: 27199d17cfaSFabio Baltieri clk_disable_unprepare(clk); 2724bc36fd3SMian Yousaf Kaukab 27365b3d52dSB, Ravi err4: 2744bc36fd3SMian Yousaf Kaukab clk_put(clk); 2754bc36fd3SMian Yousaf Kaukab 27665b3d52dSB, Ravi err3: 2774bc36fd3SMian Yousaf Kaukab platform_device_put(musb); 2784bc36fd3SMian Yousaf Kaukab 2794bc36fd3SMian Yousaf Kaukab err1: 2804bc36fd3SMian Yousaf Kaukab kfree(glue); 2814bc36fd3SMian Yousaf Kaukab 2824bc36fd3SMian Yousaf Kaukab err0: 2834bc36fd3SMian Yousaf Kaukab return ret; 2844bc36fd3SMian Yousaf Kaukab } 2854bc36fd3SMian Yousaf Kaukab 286fb4e98abSBill Pemberton static int ux500_remove(struct platform_device *pdev) 2874bc36fd3SMian Yousaf Kaukab { 2884bc36fd3SMian Yousaf Kaukab struct ux500_glue *glue = platform_get_drvdata(pdev); 2894bc36fd3SMian Yousaf Kaukab 2904b0de6f3SWei Yongjun platform_device_unregister(glue->musb); 29199d17cfaSFabio Baltieri clk_disable_unprepare(glue->clk); 2924bc36fd3SMian Yousaf Kaukab clk_put(glue->clk); 2934bc36fd3SMian Yousaf Kaukab kfree(glue); 2944bc36fd3SMian Yousaf Kaukab 2954bc36fd3SMian Yousaf Kaukab return 0; 2964bc36fd3SMian Yousaf Kaukab } 2974bc36fd3SMian Yousaf Kaukab 2984bc36fd3SMian Yousaf Kaukab #ifdef CONFIG_PM 2994bc36fd3SMian Yousaf Kaukab static int ux500_suspend(struct device *dev) 3004bc36fd3SMian Yousaf Kaukab { 3014bc36fd3SMian Yousaf Kaukab struct ux500_glue *glue = dev_get_drvdata(dev); 3024bc36fd3SMian Yousaf Kaukab struct musb *musb = glue_to_musb(glue); 3034bc36fd3SMian Yousaf Kaukab 304b96d3b08SHeikki Krogerus usb_phy_set_suspend(musb->xceiv, 1); 30599d17cfaSFabio Baltieri clk_disable_unprepare(glue->clk); 3064bc36fd3SMian Yousaf Kaukab 3074bc36fd3SMian Yousaf Kaukab return 0; 3084bc36fd3SMian Yousaf Kaukab } 3094bc36fd3SMian Yousaf Kaukab 3104bc36fd3SMian Yousaf Kaukab static int ux500_resume(struct device *dev) 3114bc36fd3SMian Yousaf Kaukab { 3124bc36fd3SMian Yousaf Kaukab struct ux500_glue *glue = dev_get_drvdata(dev); 3134bc36fd3SMian Yousaf Kaukab struct musb *musb = glue_to_musb(glue); 3144bc36fd3SMian Yousaf Kaukab int ret; 3154bc36fd3SMian Yousaf Kaukab 31699d17cfaSFabio Baltieri ret = clk_prepare_enable(glue->clk); 3174bc36fd3SMian Yousaf Kaukab if (ret) { 3184bc36fd3SMian Yousaf Kaukab dev_err(dev, "failed to enable clock\n"); 3194bc36fd3SMian Yousaf Kaukab return ret; 3204bc36fd3SMian Yousaf Kaukab } 3214bc36fd3SMian Yousaf Kaukab 322b96d3b08SHeikki Krogerus usb_phy_set_suspend(musb->xceiv, 0); 3234bc36fd3SMian Yousaf Kaukab 3244bc36fd3SMian Yousaf Kaukab return 0; 3254bc36fd3SMian Yousaf Kaukab } 3264bc36fd3SMian Yousaf Kaukab 3274bc36fd3SMian Yousaf Kaukab static const struct dev_pm_ops ux500_pm_ops = { 3284bc36fd3SMian Yousaf Kaukab .suspend = ux500_suspend, 3294bc36fd3SMian Yousaf Kaukab .resume = ux500_resume, 3304bc36fd3SMian Yousaf Kaukab }; 3314bc36fd3SMian Yousaf Kaukab 3324bc36fd3SMian Yousaf Kaukab #define DEV_PM_OPS (&ux500_pm_ops) 3334bc36fd3SMian Yousaf Kaukab #else 3344bc36fd3SMian Yousaf Kaukab #define DEV_PM_OPS NULL 3354bc36fd3SMian Yousaf Kaukab #endif 3364bc36fd3SMian Yousaf Kaukab 3374bc36fd3SMian Yousaf Kaukab static struct platform_driver ux500_driver = { 338e9e8c85eSFelipe Balbi .probe = ux500_probe, 3397690417dSBill Pemberton .remove = ux500_remove, 3404bc36fd3SMian Yousaf Kaukab .driver = { 3414bc36fd3SMian Yousaf Kaukab .name = "musb-ux500", 3424bc36fd3SMian Yousaf Kaukab .pm = DEV_PM_OPS, 3434bc36fd3SMian Yousaf Kaukab }, 3444bc36fd3SMian Yousaf Kaukab }; 3454bc36fd3SMian Yousaf Kaukab 3464bc36fd3SMian Yousaf Kaukab MODULE_DESCRIPTION("UX500 MUSB Glue Layer"); 3474bc36fd3SMian Yousaf Kaukab MODULE_AUTHOR("Mian Yousaf Kaukab <mian.yousaf.kaukab@stericsson.com>"); 3484bc36fd3SMian Yousaf Kaukab MODULE_LICENSE("GPL v2"); 3490e7090a6SSrinivas Kandagatla module_platform_driver(ux500_driver); 350