OMAP3: PM: Enable IO-CHAIN wakeup

OMAP 3430 ES3.1 chips have a separate bit for IO daisy-chain
wake up enabling. It needs to be enabled when entering
retention or off state, otherwise waking up might not work
in all situations.

Signed-off-by: Kalle Jokiniemi <kalle.jokiniemi@digia.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/prm-regbits-34xx.h b/arch/arm/mach-omap2/prm-regbits-34xx.h
index 9fd03a2ec95c..8f21bae6dc1c 100644
--- a/arch/arm/mach-omap2/prm-regbits-34xx.h
+++ b/arch/arm/mach-omap2/prm-regbits-34xx.h
@@ -365,6 +365,7 @@
 /* PM_PREPWSTST_GFX specific bits */
 
 /* PM_WKEN_WKUP specific bits */
+#define OMAP3430_EN_IO_CHAIN                            (1 << 16)
 #define OMAP3430_EN_IO                                  (1 << 8)
 #define OMAP3430_EN_GPIO1                               (1 << 3)
 
@@ -373,6 +374,7 @@
 /* PM_IVA2GRPSEL_WKUP specific bits */
 
 /* PM_WKST_WKUP specific bits */
+#define OMAP3430_ST_IO_CHAIN                            (1 << 16)
 #define OMAP3430_ST_IO                                  (1 << 8)
 
 /* PRM_CLKSEL */