diff options
Diffstat (limited to 'drivers/usb')
-rw-r--r-- | drivers/usb/musb/Kconfig | 1 | ||||
-rw-r--r-- | drivers/usb/musb/omap2430.c | 68 | ||||
-rw-r--r-- | drivers/usb/musb/omap2430.h | 9 | ||||
-rw-r--r-- | drivers/usb/phy/Kconfig | 1 | ||||
-rw-r--r-- | drivers/usb/phy/omap-usb2.c | 41 |
5 files changed, 33 insertions, 87 deletions
diff --git a/drivers/usb/musb/Kconfig b/drivers/usb/musb/Kconfig index 23a0b7f0892..de6e5ce2631 100644 --- a/drivers/usb/musb/Kconfig +++ b/drivers/usb/musb/Kconfig @@ -11,6 +11,7 @@ config USB_MUSB_HDRC select NOP_USB_XCEIV if (SOC_TI81XX || SOC_AM33XX) select TWL4030_USB if MACH_OMAP_3430SDP select TWL6030_USB if MACH_OMAP_4430SDP || MACH_OMAP4_PANDA + select OMAP_CONTROL_USB if MACH_OMAP_4430SDP || MACH_OMAP4_PANDA select USB_OTG_UTILS help Say Y here if your system has a dual role high speed USB diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c index da00af46079..779862d2459 100644 --- a/drivers/usb/musb/omap2430.c +++ b/drivers/usb/musb/omap2430.c @@ -37,6 +37,7 @@ #include <linux/err.h> #include <linux/delay.h> #include <linux/usb/musb-omap.h> +#include <linux/usb/omap_control_usb.h> #include "musb_core.h" #include "omap2430.h" @@ -46,7 +47,7 @@ struct omap2430_glue { struct platform_device *musb; enum omap_musb_vbus_id_status status; struct work_struct omap_musb_mailbox_work; - u32 __iomem *control_otghs; + struct device *control_otghs; }; #define glue_to_musb(g) platform_get_drvdata(g->musb) @@ -54,26 +55,6 @@ struct omap2430_glue *_glue; static struct timer_list musb_idle_timer; -/** - * omap4_usb_phy_mailbox - write to usb otg mailbox - * @glue: struct omap2430_glue * - * @val: the value to be written to the mailbox - * - * On detection of a device (ID pin is grounded), this API should be called - * to set AVALID, VBUSVALID and ID pin is grounded. - * - * When OMAP is connected to a host (OMAP in device mode), this API - * is called to set AVALID, VBUSVALID and ID pin in high impedance. - * - * XXX: This function will be removed once we have a seperate driver for - * control module - */ -static void omap4_usb_phy_mailbox(struct omap2430_glue *glue, u32 val) -{ - if (glue->control_otghs) - writel(val, glue->control_otghs); -} - static void musb_do_idle(unsigned long _musb) { struct musb *musb = (void *)_musb; @@ -269,7 +250,6 @@ EXPORT_SYMBOL_GPL(omap_musb_mailbox); static void omap_musb_set_mailbox(struct omap2430_glue *glue) { - u32 val; struct musb *musb = glue_to_musb(glue); struct device *dev = musb->controller; struct musb_hdrc_platform_data *pdata = dev->platform_data; @@ -285,8 +265,8 @@ static void omap_musb_set_mailbox(struct omap2430_glue *glue) musb->xceiv->last_event = USB_EVENT_ID; if (musb->gadget_driver) { pm_runtime_get_sync(dev); - val = AVALID | VBUSVALID; - omap4_usb_phy_mailbox(glue, val); + omap_control_usb_set_mode(glue->control_otghs, + USB_MODE_HOST); omap2430_musb_set_vbus(musb, 1); } break; @@ -299,8 +279,7 @@ static void omap_musb_set_mailbox(struct omap2430_glue *glue) musb->xceiv->last_event = USB_EVENT_VBUS; if (musb->gadget_driver) pm_runtime_get_sync(dev); - val = IDDIG | AVALID | VBUSVALID; - omap4_usb_phy_mailbox(glue, val); + omap_control_usb_set_mode(glue->control_otghs, USB_MODE_DEVICE); break; case OMAP_MUSB_ID_FLOAT: @@ -317,8 +296,8 @@ static void omap_musb_set_mailbox(struct omap2430_glue *glue) if (musb->xceiv->otg->set_vbus) otg_set_vbus(musb->xceiv->otg, 0); } - val = SESSEND | IDDIG; - omap4_usb_phy_mailbox(glue, val); + omap_control_usb_set_mode(glue->control_otghs, + USB_MODE_DISCONNECT); break; default: dev_dbg(dev, "ID float\n"); @@ -415,7 +394,6 @@ err1: static void omap2430_musb_enable(struct musb *musb) { u8 devctl; - u32 val; unsigned long timeout = jiffies + msecs_to_jiffies(1000); struct device *dev = musb->controller; struct omap2430_glue *glue = dev_get_drvdata(dev->parent); @@ -425,8 +403,7 @@ static void omap2430_musb_enable(struct musb *musb) switch (glue->status) { case OMAP_MUSB_ID_GROUND: - val = AVALID | VBUSVALID; - omap4_usb_phy_mailbox(glue, val); + omap_control_usb_set_mode(glue->control_otghs, USB_MODE_HOST); if (data->interface_type != MUSB_INTERFACE_UTMI) break; devctl = musb_readb(musb->mregs, MUSB_DEVCTL); @@ -445,8 +422,7 @@ static void omap2430_musb_enable(struct musb *musb) break; case OMAP_MUSB_VBUS_VALID: - val = IDDIG | AVALID | VBUSVALID; - omap4_usb_phy_mailbox(glue, val); + omap_control_usb_set_mode(glue->control_otghs, USB_MODE_DEVICE); break; default: @@ -456,14 +432,12 @@ static void omap2430_musb_enable(struct musb *musb) static void omap2430_musb_disable(struct musb *musb) { - u32 val; struct device *dev = musb->controller; struct omap2430_glue *glue = dev_get_drvdata(dev->parent); - if (glue->status != OMAP_MUSB_UNKNOWN) { - val = SESSEND | IDDIG; - omap4_usb_phy_mailbox(glue, val); - } + if (glue->status != OMAP_MUSB_UNKNOWN) + omap_control_usb_set_mode(glue->control_otghs, + USB_MODE_DISCONNECT); } static int omap2430_musb_exit(struct musb *musb) @@ -498,7 +472,6 @@ static int omap2430_probe(struct platform_device *pdev) struct omap2430_glue *glue; struct device_node *np = pdev->dev.of_node; struct musb_hdrc_config *config; - struct resource *res; int ret = -ENOMEM; glue = devm_kzalloc(&pdev->dev, sizeof(*glue), GFP_KERNEL); @@ -521,12 +494,6 @@ static int omap2430_probe(struct platform_device *pdev) glue->musb = musb; glue->status = OMAP_MUSB_UNKNOWN; - res = platform_get_resource(pdev, IORESOURCE_MEM, 1); - - glue->control_otghs = devm_request_and_ioremap(&pdev->dev, res); - if (glue->control_otghs == NULL) - dev_dbg(&pdev->dev, "Failed to obtain control memory\n"); - if (np) { pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL); if (!pdata) { @@ -558,11 +525,22 @@ static int omap2430_probe(struct platform_device *pdev) of_property_read_u32(np, "ram_bits", (u32 *)&config->ram_bits); of_property_read_u32(np, "power", (u32 *)&pdata->power); config->multipoint = of_property_read_bool(np, "multipoint"); + pdata->has_mailbox = of_property_read_bool(np, + "ti,has-mailbox"); pdata->board_data = data; pdata->config = config; } + if (pdata->has_mailbox) { + glue->control_otghs = omap_get_control_dev(); + if (IS_ERR(glue->control_otghs)) { + dev_vdbg(&pdev->dev, "Failed to get control device\n"); + return -ENODEV; + } + } else { + glue->control_otghs = ERR_PTR(-ENODEV); + } pdata->platform_ops = &omap2430_ops; platform_set_drvdata(pdev, glue); diff --git a/drivers/usb/musb/omap2430.h b/drivers/usb/musb/omap2430.h index 8ef656659fc..1b5e83a9840 100644 --- a/drivers/usb/musb/omap2430.h +++ b/drivers/usb/musb/omap2430.h @@ -49,13 +49,4 @@ #define OTG_FORCESTDBY 0x414 # define ENABLEFORCE (1 << 0) -/* - * Control Module bit definitions - * XXX: Will be removed once we have a driver for control module. - */ -#define AVALID BIT(0) -#define BVALID BIT(1) -#define VBUSVALID BIT(2) -#define SESSEND BIT(3) -#define IDDIG BIT(4) #endif /* __MUSB_OMAP243X_H__ */ diff --git a/drivers/usb/phy/Kconfig b/drivers/usb/phy/Kconfig index 053696a2b6e..f989511f13d 100644 --- a/drivers/usb/phy/Kconfig +++ b/drivers/usb/phy/Kconfig @@ -8,6 +8,7 @@ config OMAP_USB2 tristate "OMAP USB2 PHY Driver" depends on ARCH_OMAP2PLUS select USB_OTG_UTILS + select OMAP_CONTROL_USB help Enable this to support the transceiver that is part of SOC. This driver takes care of all the PHY functionality apart from comparator. diff --git a/drivers/usb/phy/omap-usb2.c b/drivers/usb/phy/omap-usb2.c index 26ae8f49225..c2b4c8e6f3c 100644 --- a/drivers/usb/phy/omap-usb2.c +++ b/drivers/usb/phy/omap-usb2.c @@ -27,6 +27,7 @@ #include <linux/err.h> #include <linux/pm_runtime.h> #include <linux/delay.h> +#include <linux/usb/omap_control_usb.h> /** * omap_usb2_set_comparator - links the comparator present in the sytem with @@ -52,29 +53,6 @@ int omap_usb2_set_comparator(struct phy_companion *comparator) } EXPORT_SYMBOL_GPL(omap_usb2_set_comparator); -/** - * omap_usb_phy_power - power on/off the phy using control module reg - * @phy: struct omap_usb * - * @on: 0 or 1, based on powering on or off the PHY - * - * XXX: Remove this function once control module driver gets merged - */ -static void omap_usb_phy_power(struct omap_usb *phy, int on) -{ - u32 val; - - if (on) { - val = readl(phy->control_dev); - if (val & PHY_PD) { - writel(~PHY_PD, phy->control_dev); - /* XXX: add proper documentation for this delay */ - mdelay(200); - } - } else { - writel(PHY_PD, phy->control_dev); - } -} - static int omap_usb_set_vbus(struct usb_otg *otg, bool enabled) { struct omap_usb *phy = phy_to_omapusb(otg->phy); @@ -124,7 +102,7 @@ static int omap_usb2_suspend(struct usb_phy *x, int suspend) struct omap_usb *phy = phy_to_omapusb(x); if (suspend && !phy->is_suspended) { - omap_usb_phy_power(phy, 0); + omap_control_usb_phy_power(phy->control_dev, 0); pm_runtime_put_sync(phy->dev); phy->is_suspended = 1; } else if (!suspend && phy->is_suspended) { @@ -134,7 +112,7 @@ static int omap_usb2_suspend(struct usb_phy *x, int suspend) ret); return ret; } - omap_usb_phy_power(phy, 1); + omap_control_usb_phy_power(phy->control_dev, 1); phy->is_suspended = 0; } @@ -145,7 +123,6 @@ static int omap_usb2_probe(struct platform_device *pdev) { struct omap_usb *phy; struct usb_otg *otg; - struct resource *res; phy = devm_kzalloc(&pdev->dev, sizeof(*phy), GFP_KERNEL); if (!phy) { @@ -166,16 +143,14 @@ static int omap_usb2_probe(struct platform_device *pdev) phy->phy.set_suspend = omap_usb2_suspend; phy->phy.otg = otg; - res = platform_get_resource(pdev, IORESOURCE_MEM, 1); - - phy->control_dev = devm_request_and_ioremap(&pdev->dev, res); - if (phy->control_dev == NULL) { - dev_err(&pdev->dev, "Failed to obtain io memory\n"); - return -ENXIO; + phy->control_dev = omap_get_control_dev(); + if (IS_ERR(phy->control_dev)) { + dev_dbg(&pdev->dev, "Failed to get control device\n"); + return -ENODEV; } phy->is_suspended = 1; - omap_usb_phy_power(phy, 0); + omap_control_usb_phy_power(phy->control_dev, 0); otg->set_host = omap_usb_set_host; otg->set_peripheral = omap_usb_set_peripheral; |