diff options
Diffstat (limited to 'drivers/usb/musb')
| -rw-r--r-- | drivers/usb/musb/musb_dsps.c | 97 |
1 files changed, 1 insertions, 96 deletions
diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c index e7a2cd1c6630..74333321cb62 100644 --- a/drivers/usb/musb/musb_dsps.c +++ b/drivers/usb/musb/musb_dsps.c @@ -120,49 +120,8 @@ struct dsps_glue { const struct dsps_musb_wrapper *wrp; /* wrapper register offsets */ struct timer_list timer[2]; /* otg_workaround timer */ unsigned long last_timer[2]; /* last timer data for each instance */ - u32 __iomem *usb_ctrl[2]; }; -#define DSPS_AM33XX_CONTROL_MODULE_PHYS_0 0x44e10620 -#define DSPS_AM33XX_CONTROL_MODULE_PHYS_1 0x44e10628 - -static const resource_size_t dsps_control_module_phys[] = { - DSPS_AM33XX_CONTROL_MODULE_PHYS_0, - DSPS_AM33XX_CONTROL_MODULE_PHYS_1, -}; - -#define USBPHY_CM_PWRDN (1 << 0) -#define USBPHY_OTG_PWRDN (1 << 1) -#define USBPHY_OTGVDET_EN (1 << 19) -#define USBPHY_OTGSESSEND_EN (1 << 20) - -/** - * musb_dsps_phy_control - phy on/off - * @glue: struct dsps_glue * - * @id: musb instance - * @on: flag for phy to be switched on or off - * - * This is to enable the PHY using usb_ctrl register in system control - * module space. - * - * XXX: This function will be removed once we have a seperate driver for - * control module - */ -static void musb_dsps_phy_control(struct dsps_glue *glue, u8 id, u8 on) -{ - u32 usbphycfg; - - usbphycfg = readl(glue->usb_ctrl[id]); - - if (on) { - usbphycfg &= ~(USBPHY_CM_PWRDN | USBPHY_OTG_PWRDN); - usbphycfg |= USBPHY_OTGVDET_EN | USBPHY_OTGSESSEND_EN; - } else { - usbphycfg |= USBPHY_CM_PWRDN | USBPHY_OTG_PWRDN; - } - - writel(usbphycfg, glue->usb_ctrl[id]); -} /** * dsps_musb_enable - enable interrupts */ @@ -407,8 +366,7 @@ static int dsps_musb_init(struct musb *musb) musb->mregs += wrp->musb_core_offset; /* NOP driver needs change if supporting dual instance */ - usb_nop_xceiv_register(); - musb->xceiv = usb_get_phy(USB_PHY_TYPE_USB2); + musb->xceiv = devm_usb_get_phy_by_phandle(glue->dev, "phys", 0); if (IS_ERR_OR_NULL(musb->xceiv)) return -EPROBE_DEFER; @@ -426,9 +384,6 @@ static int dsps_musb_init(struct musb *musb) /* Reset the musb */ dsps_writel(reg_base, wrp->control, (1 << wrp->reset)); - /* Start the on-chip PHY and its PLL. */ - musb_dsps_phy_control(glue, pdev->id, 1); - musb->isr = dsps_interrupt; /* reset the otgdisable bit, needed for host mode to work */ @@ -438,8 +393,6 @@ static int dsps_musb_init(struct musb *musb) return 0; err0: - usb_put_phy(musb->xceiv); - usb_nop_xceiv_unregister(); return status; } @@ -451,14 +404,7 @@ static int dsps_musb_exit(struct musb *musb) del_timer_sync(&glue->timer[pdev->id]); - /* Shutdown the on-chip PHY and its PLL. */ - musb_dsps_phy_control(glue, pdev->id, 0); usb_phy_shutdown(musb->xceiv); - - /* NOP driver needs change if supporting dual instance */ - usb_put_phy(musb->xceiv); - usb_nop_xceiv_unregister(); - return 0; } @@ -487,16 +433,6 @@ static int dsps_create_musb_pdev(struct dsps_glue *glue, u8 id) char res_name[11]; int ret; - resources[0].start = dsps_control_module_phys[id]; - resources[0].end = resources[0].start + SZ_4 - 1; - resources[0].flags = IORESOURCE_MEM; - - glue->usb_ctrl[id] = devm_ioremap_resource(&pdev->dev, resources); - if (IS_ERR(glue->usb_ctrl[id])) { - ret = PTR_ERR(glue->usb_ctrl[id]); - goto err0; - } - /* first resource is for usbss, so start index from 1 */ res = platform_get_resource(pdev, IORESOURCE_MEM, id + 1); if (!res) { @@ -680,36 +616,6 @@ static int dsps_remove(struct platform_device *pdev) return 0; } -#ifdef CONFIG_PM_SLEEP -static int dsps_suspend(struct device *dev) -{ - struct platform_device *pdev = to_platform_device(dev->parent); - struct dsps_glue *glue = platform_get_drvdata(pdev); - const struct dsps_musb_wrapper *wrp = glue->wrp; - int i; - - for (i = 0; i < wrp->instances; i++) - musb_dsps_phy_control(glue, i, 0); - - return 0; -} - -static int dsps_resume(struct device *dev) -{ - struct platform_device *pdev = to_platform_device(dev->parent); - struct dsps_glue *glue = platform_get_drvdata(pdev); - const struct dsps_musb_wrapper *wrp = glue->wrp; - int i; - - for (i = 0; i < wrp->instances; i++) - musb_dsps_phy_control(glue, i, 1); - - return 0; -} -#endif - -static SIMPLE_DEV_PM_OPS(dsps_pm_ops, dsps_suspend, dsps_resume); - static const struct dsps_musb_wrapper am33xx_driver_data = { .revision = 0x00, .control = 0x14, @@ -752,7 +658,6 @@ static struct platform_driver dsps_usbss_driver = { .remove = dsps_remove, .driver = { .name = "musb-dsps", - .pm = &dsps_pm_ops, .of_match_table = of_match_ptr(musb_dsps_of_match), }, }; |
