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authorLinus Torvalds <torvalds@linux-foundation.org>2011-01-07 21:16:28 (GMT)
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-07 21:16:28 (GMT)
commit3e5b08cbbf78bedd316904ab0cf3b27119433ee5 (patch)
tree0365745c1b7441c1868551c024410c829c3accc6 /drivers/mfd
parentda40d036fd716f0efb2917076220814b1e927ae1 (diff)
parent2af10844eb6ed104f9505bf3a7ba3ceb02264f31 (diff)
downloadlinux-3e5b08cbbf78bedd316904ab0cf3b27119433ee5.tar.xz
Merge branch 'usb-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6
* 'usb-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (144 commits) USB: add support for Dream Cheeky DL100B Webmail Notifier (1d34:0004) USB: serial: ftdi_sio: add support for TIOCSERGETLSR USB: ehci-mxc: Setup portsc register prior to accessing OTG viewport USB: atmel_usba_udc: fix freeing irq in usba_udc_remove() usb: ehci-omap: fix tll channel enable mask usb: ohci-omap3: fix trivial typo USB: gadget: ci13xxx: don't assume that PAGE_SIZE is 4096 USB: gadget: ci13xxx: fix complete() callback for no_interrupt rq's USB: gadget: update ci13xxx to work with g_ether USB: gadgets: ci13xxx: fix probing of compiled-in gadget drivers Revert "USB: musb: pm: don't rely fully on clock support" Revert "USB: musb: blackfin: pm: make it work" 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 ... Manually fix up trivial conflicts in USB Kconfig changes in: arch/arm/mach-omap2/Kconfig arch/sh/Kconfig drivers/usb/Kconfig drivers/usb/host/ehci-hcd.c and annoying chip clock data conflicts in: arch/arm/mach-omap2/clock3xxx_data.c arch/arm/mach-omap2/clock44xx_data.c
Diffstat (limited to 'drivers/mfd')
-rw-r--r--drivers/mfd/twl-core.c44
-rw-r--r--drivers/mfd/twl6030-irq.c9
2 files changed, 47 insertions, 6 deletions
diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c
index 35275ba..12abd5b 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 aaedb11..06c8955 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) {