summaryrefslogtreecommitdiffstats
path: root/drivers/usb
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/otg/Kconfig2
-rw-r--r--drivers/usb/otg/twl6030-usb.c118
2 files changed, 19 insertions, 101 deletions
diff --git a/drivers/usb/otg/Kconfig b/drivers/usb/otg/Kconfig
index 13fd1ddf742f..d8c8a42bff3e 100644
--- a/drivers/usb/otg/Kconfig
+++ b/drivers/usb/otg/Kconfig
@@ -68,7 +68,7 @@ config TWL4030_USB
config TWL6030_USB
tristate "TWL6030 USB Transceiver Driver"
- depends on TWL4030_CORE
+ depends on TWL4030_CORE && OMAP_USB2
select USB_OTG_UTILS
help
Enable this to support the USB OTG transceiver on TWL6030
diff --git a/drivers/usb/otg/twl6030-usb.c b/drivers/usb/otg/twl6030-usb.c
index 6907d8df7a27..32525bb667ee 100644
--- a/drivers/usb/otg/twl6030-usb.c
+++ b/drivers/usb/otg/twl6030-usb.c
@@ -25,8 +25,9 @@
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <linux/io.h>
-#include <linux/usb/otg.h>
#include <linux/usb/musb-omap.h>
+#include <linux/usb/phy_companion.h>
+#include <linux/usb/omap_usb.h>
#include <linux/i2c/twl.h>
#include <linux/regulator/consumer.h>
#include <linux/err.h>
@@ -87,7 +88,7 @@
#define VBUS_DET BIT(2)
struct twl6030_usb {
- struct usb_phy phy;
+ struct phy_companion comparator;
struct device *dev;
/* for vbus reporting with irqs disabled */
@@ -107,7 +108,7 @@ struct twl6030_usb {
unsigned long features;
};
-#define phy_to_twl(x) container_of((x), struct twl6030_usb, phy)
+#define comparator_to_twl(x) container_of((x), struct twl6030_usb, comparator)
/*-------------------------------------------------------------------------*/
@@ -137,50 +138,9 @@ static inline u8 twl6030_readb(struct twl6030_usb *twl, u8 module, u8 address)
return ret;
}
-static int twl6030_phy_init(struct usb_phy *x)
+static int twl6030_start_srp(struct phy_companion *comparator)
{
- struct twl6030_usb *twl;
- struct device *dev;
- struct twl4030_usb_data *pdata;
-
- twl = phy_to_twl(x);
- dev = twl->dev;
- pdata = dev->platform_data;
-
- if (twl->linkstat == OMAP_MUSB_ID_GROUND)
- pdata->phy_power(twl->dev, 1, 1);
- else
- pdata->phy_power(twl->dev, 0, 1);
-
- return 0;
-}
-
-static void twl6030_phy_shutdown(struct usb_phy *x)
-{
- struct twl6030_usb *twl;
- struct device *dev;
- struct twl4030_usb_data *pdata;
-
- twl = phy_to_twl(x);
- dev = twl->dev;
- pdata = dev->platform_data;
- pdata->phy_power(twl->dev, 0, 0);
-}
-
-static int twl6030_phy_suspend(struct usb_phy *x, int suspend)
-{
- struct twl6030_usb *twl = phy_to_twl(x);
- struct device *dev = twl->dev;
- struct twl4030_usb_data *pdata = dev->platform_data;
-
- pdata->phy_suspend(dev, suspend);
-
- return 0;
-}
-
-static int twl6030_start_srp(struct usb_otg *otg)
-{
- struct twl6030_usb *twl = phy_to_twl(otg->phy);
+ struct twl6030_usb *twl = comparator_to_twl(comparator);
twl6030_writeb(twl, TWL_MODULE_USB, 0x24, USB_VBUS_CTRL_SET);
twl6030_writeb(twl, TWL_MODULE_USB, 0x84, USB_VBUS_CTRL_SET);
@@ -313,23 +273,8 @@ static irqreturn_t twl6030_usbotg_irq(int irq, void *_twl)
return IRQ_HANDLED;
}
-static int twl6030_set_peripheral(struct usb_otg *otg,
- struct usb_gadget *gadget)
+static int twl6030_enable_irq(struct twl6030_usb *twl)
{
- if (!otg)
- return -ENODEV;
-
- otg->gadget = gadget;
- if (!gadget)
- otg->phy->state = OTG_STATE_UNDEFINED;
-
- return 0;
-}
-
-static int twl6030_enable_irq(struct usb_phy *x)
-{
- struct twl6030_usb *twl = phy_to_twl(x);
-
twl6030_writeb(twl, TWL_MODULE_USB, 0x1, USB_ID_INT_EN_HI_SET);
twl6030_interrupt_unmask(0x05, REG_INT_MSK_LINE_C);
twl6030_interrupt_unmask(0x05, REG_INT_MSK_STS_C);
@@ -362,9 +307,9 @@ static void otg_set_vbus_work(struct work_struct *data)
CHARGERUSB_CTRL1);
}
-static int twl6030_set_vbus(struct usb_otg *otg, bool enabled)
+static int twl6030_set_vbus(struct phy_companion *comparator, bool enabled)
{
- struct twl6030_usb *twl = phy_to_twl(otg->phy);
+ struct twl6030_usb *twl = comparator_to_twl(comparator);
twl->vbus_enable = enabled;
schedule_work(&twl->set_vbus_work);
@@ -372,23 +317,12 @@ static int twl6030_set_vbus(struct usb_otg *otg, bool enabled)
return 0;
}
-static int twl6030_set_host(struct usb_otg *otg, struct usb_bus *host)
-{
- if (!otg)
- return -ENODEV;
-
- otg->host = host;
- if (!host)
- otg->phy->state = OTG_STATE_UNDEFINED;
- return 0;
-}
-
static int __devinit twl6030_usb_probe(struct platform_device *pdev)
{
+ u32 ret;
struct twl6030_usb *twl;
int status, err;
struct twl4030_usb_data *pdata;
- struct usb_otg *otg;
struct device *dev = &pdev->dev;
pdata = dev->platform_data;
@@ -396,28 +330,20 @@ static int __devinit twl6030_usb_probe(struct platform_device *pdev)
if (!twl)
return -ENOMEM;
- otg = devm_kzalloc(dev, sizeof *otg, GFP_KERNEL);
- if (!otg)
- return -ENOMEM;
-
twl->dev = &pdev->dev;
twl->irq1 = platform_get_irq(pdev, 0);
twl->irq2 = platform_get_irq(pdev, 1);
twl->features = pdata->features;
twl->linkstat = OMAP_MUSB_UNKNOWN;
- twl->phy.dev = twl->dev;
- twl->phy.label = "twl6030";
- twl->phy.otg = otg;
- twl->phy.init = twl6030_phy_init;
- twl->phy.shutdown = twl6030_phy_shutdown;
- twl->phy.set_suspend = twl6030_phy_suspend;
+ twl->comparator.set_vbus = twl6030_set_vbus;
+ twl->comparator.start_srp = twl6030_start_srp;
- otg->phy = &twl->phy;
- otg->set_host = twl6030_set_host;
- otg->set_peripheral = twl6030_set_peripheral;
- otg->set_vbus = twl6030_set_vbus;
- otg->start_srp = twl6030_start_srp;
+ ret = omap_usb2_set_comparator(&twl->comparator);
+ if (ret == -ENODEV) {
+ dev_info(&pdev->dev, "phy not ready, deferring probe");
+ return -EPROBE_DEFER;
+ }
/* init spinlock for workqueue */
spin_lock_init(&twl->lock);
@@ -427,7 +353,6 @@ static int __devinit twl6030_usb_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "ldo init failed\n");
return err;
}
- usb_add_phy(&twl->phy, USB_PHY_TYPE_USB2);
platform_set_drvdata(pdev, twl);
if (device_create_file(&pdev->dev, &dev_attr_vbus))
@@ -458,9 +383,7 @@ static int __devinit twl6030_usb_probe(struct platform_device *pdev)
}
twl->asleep = 0;
- pdata->phy_init(dev);
- twl6030_phy_suspend(&twl->phy, 0);
- twl6030_enable_irq(&twl->phy);
+ twl6030_enable_irq(twl);
dev_info(&pdev->dev, "Initialized TWL6030 USB module\n");
return 0;
@@ -470,10 +393,6 @@ static int __exit twl6030_usb_remove(struct platform_device *pdev)
{
struct twl6030_usb *twl = platform_get_drvdata(pdev);
- struct twl4030_usb_data *pdata;
- struct device *dev = &pdev->dev;
- pdata = dev->platform_data;
-
twl6030_interrupt_mask(TWL6030_USBOTG_INT_MASK,
REG_INT_MSK_LINE_C);
twl6030_interrupt_mask(TWL6030_USBOTG_INT_MASK,
@@ -481,7 +400,6 @@ static int __exit twl6030_usb_remove(struct platform_device *pdev)
free_irq(twl->irq1, twl);
free_irq(twl->irq2, twl);
regulator_put(twl->usb3v3);
- pdata->phy_exit(twl->dev);
device_remove_file(twl->dev, &dev_attr_vbus);
cancel_work_sync(&twl->set_vbus_work);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-25 01:29:43 +0000