Merge branch 'usb-next' into musb-merge

* usb-next: (132 commits)
  USB: uas: Use GFP_NOIO instead of GFP_KERNEL in I/O submission path
  USB: uas: Ensure we only bind to a UAS interface
  USB: uas: Rename sense pipe and sense urb to status pipe and status urb
  USB: uas: Use kzalloc instead of kmalloc
  USB: uas: Fix up the Sense IU
  usb: musb: core: kill unneeded #include's
  DA8xx: assign name to MUSB IRQ resource
  usb: gadget: g_ncm added
  usb: gadget: f_ncm.c added
  usb: gadget: u_ether: prepare for NCM
  usb: pch_udc: Fix setup transfers with data out
  usb: pch_udc: Fix compile error, warnings and checkpatch warnings
  usb: add ab8500 usb transceiver driver
  USB: gadget: Implement runtime PM for MSM bus glue driver
  USB: gadget: Implement runtime PM for ci13xxx gadget
  USB: gadget: Add USB controller driver for MSM SoC
  USB: gadget: Introduce ci13xxx_udc_driver struct
  USB: gadget: Initialize ci13xxx gadget device's coherent DMA mask
  USB: gadget: Fix "scheduling while atomic" bugs in ci13xxx_udc
  USB: gadget: Separate out PCI bus code from ci13xxx_udc
  ...

2 files changed, 47 insertions, 6 deletions

diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c
index 35275ba7096..12abd5b924b 100644
--- a/drivers/mfd/twl-core.c
+++ b/drivers/mfd/twl-core.c
@@ -95,7 +95,8 @@
 #define twl_has_rtc()	false
 #endif
 
-#if defined(CONFIG_TWL4030_USB) || defined(CONFIG_TWL4030_USB_MODULE)
+#if defined(CONFIG_TWL4030_USB) || defined(CONFIG_TWL4030_USB_MODULE) ||\
+	defined(CONFIG_TWL6030_USB) || defined(CONFIG_TWL6030_USB_MODULE)
 #define twl_has_usb()	true
 #else
 #define twl_has_usb()	false
@@ -682,6 +683,43 @@ add_children(struct twl4030_platform_data *pdata, unsigned long features)
 			usb3v1.dev = child;
 		}
 	}
+	if (twl_has_usb() && pdata->usb && twl_class_is_6030()) {
+
+		static struct regulator_consumer_supply usb3v3 = {
+			.supply =	"vusb",
+		};
+
+		if (twl_has_regulator()) {
+			/* this is a template that gets copied */
+			struct regulator_init_data usb_fixed = {
+				.constraints.valid_modes_mask =
+					REGULATOR_MODE_NORMAL
+					| REGULATOR_MODE_STANDBY,
+				.constraints.valid_ops_mask =
+					REGULATOR_CHANGE_MODE
+					| REGULATOR_CHANGE_STATUS,
+			};
+
+			child = add_regulator_linked(TWL6030_REG_VUSB,
+						      &usb_fixed, &usb3v3, 1);
+			if (IS_ERR(child))
+				return PTR_ERR(child);
+		}
+
+		child = add_child(0, "twl6030_usb",
+			pdata->usb, sizeof(*pdata->usb),
+			true,
+			/* irq1 = VBUS_PRES, irq0 = USB ID */
+			pdata->irq_base + USBOTG_INTR_OFFSET,
+			pdata->irq_base + USB_PRES_INTR_OFFSET);
+
+		if (IS_ERR(child))
+			return PTR_ERR(child);
+		/* we need to connect regulators to this transceiver */
+		if (twl_has_regulator() && child)
+			usb3v3.dev = child;
+
+	}
 
 	if (twl_has_watchdog()) {
 		child = add_child(0, "twl4030_wdt", NULL, 0, false, 0, 0);
@@ -815,10 +853,6 @@ add_children(struct twl4030_platform_data *pdata, unsigned long features)
 		if (IS_ERR(child))
 			return PTR_ERR(child);
 
-		child = add_regulator(TWL6030_REG_VUSB, pdata->vusb);
-		if (IS_ERR(child))
-			return PTR_ERR(child);
-
 		child = add_regulator(TWL6030_REG_VAUX1_6030, pdata->vaux1);
 		if (IS_ERR(child))
 			return PTR_ERR(child);
diff --git a/drivers/mfd/twl6030-irq.c b/drivers/mfd/twl6030-irq.c
index aaedb11d9d2..06c8955907e 100644
--- a/drivers/mfd/twl6030-irq.c
+++ b/drivers/mfd/twl6030-irq.c
@@ -74,7 +74,7 @@ static int twl6030_interrupt_mapping[24] = {
 	USBOTG_INTR_OFFSET,	/* Bit 16	ID_WKUP			*/
 	USBOTG_INTR_OFFSET,	/* Bit 17	VBUS_WKUP		*/
 	USBOTG_INTR_OFFSET,	/* Bit 18	ID			*/
-	USBOTG_INTR_OFFSET,	/* Bit 19	VBUS			*/
+	USB_PRES_INTR_OFFSET,	/* Bit 19	VBUS			*/
 	CHARGER_INTR_OFFSET,	/* Bit 20	CHRG_CTRL		*/
 	CHARGER_INTR_OFFSET,	/* Bit 21	EXT_CHRG		*/
 	CHARGER_INTR_OFFSET,	/* Bit 22	INT_CHRG		*/
@@ -128,6 +128,13 @@ static int twl6030_irq_thread(void *data)
 
 		sts.bytes[3] = 0; /* Only 24 bits are valid*/
 
+		/*
+		 * Since VBUS status bit is not reliable for VBUS disconnect
+		 * use CHARGER VBUS detection status bit instead.
+		 */
+		if (sts.bytes[2] & 0x10)
+			sts.bytes[2] |= 0x08;
+
 		for (i = 0; sts.int_sts; sts.int_sts >>= 1, i++) {
 			local_irq_disable();
 			if (sts.int_sts & 0x1) {