Title: [9034] trunk/arch/blackfin: Add hibernate wakeup from USB support.
- Revision
- 9034
- Author
- lliubbo
- Date
- 2010-08-02 00:00:15 -0400 (Mon, 02 Aug 2010)
Log Message
Add hibernate wakeup from USB support.
If a USB_DP,USB_DM or USB_VBUS edge is detected,
wakeup event is generated. Set USBWE bit to
enable it wakeup the processor.
I have tested it on BF548-0.2.
Modified Paths
Diff
Modified: trunk/arch/blackfin/Kconfig (9033 => 9034)
--- trunk/arch/blackfin/Kconfig 2010-08-02 02:45:26 UTC (rev 9033)
+++ trunk/arch/blackfin/Kconfig 2010-08-02 04:00:15 UTC (rev 9034)
@@ -1238,6 +1238,15 @@
wake-up upon detection of an active low signal on the /GPW (PH7) pin.
On ADSP-BF549 this option enables the the same functionality on the
/MRXON pin also PH7.
+config PM_BFIN_WAKE_USB
+ bool "Allow Wake-Up from USB"
+ depends on PM && (BF54x || BF52x)
+ default n
+ help
+ Enable USB Wake-Up (Voltage Regulator Power-Up) (all processors
+ with USB support). This option sets the usb wake-up enable (USBWE)
+ control bit to enable wake-up upon detection of a usb USB_DM,USB_DP
+ or USB_VBUS edge.
endmenu
Modified: trunk/arch/blackfin/mach-common/pm.c (9033 => 9034)
--- trunk/arch/blackfin/mach-common/pm.c 2010-08-02 02:45:26 UTC (rev 9033)
+++ trunk/arch/blackfin/mach-common/pm.c 2010-08-02 04:00:15 UTC (rev 9034)
@@ -148,6 +148,9 @@
#ifdef CONFIG_PM_BFIN_WAKE_GP
wakeup |= GPWE;
#endif
+#ifdef CONFIG_PM_BFIN_WAKE_USB
+ wakeup |= USBWE;
+#endif
local_irq_save_hw(flags);
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