OMAP3: PM: Enable wake-up from McBSP2, 3 and 4 modules

Wake-up from McBSP ports are needed, especially when the THRESHOLD
dma mode is in use for audio playback.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index d6cab338cad1..96075bf5e086 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -884,12 +884,16 @@ static void __init prcm_setup_regs(void)
         /* Enable wakeups in PER */
         prm_write_mod_reg(OMAP3430_EN_GPIO2 | OMAP3430_EN_GPIO3 |
                           OMAP3430_EN_GPIO4 | OMAP3430_EN_GPIO5 |
-                          OMAP3430_EN_GPIO6 | OMAP3430_EN_UART3,
+                          OMAP3430_EN_GPIO6 | OMAP3430_EN_UART3 |
+                          OMAP3430_EN_MCBSP2 | OMAP3430_EN_MCBSP3 |
+                          OMAP3430_EN_MCBSP4,
                           OMAP3430_PER_MOD, PM_WKEN);
         /* and allow them to wake up MPU */
         prm_write_mod_reg(OMAP3430_GRPSEL_GPIO2 | OMAP3430_EN_GPIO3 |
                           OMAP3430_GRPSEL_GPIO4 | OMAP3430_EN_GPIO5 |
-                          OMAP3430_GRPSEL_GPIO6 | OMAP3430_EN_UART3,
+                          OMAP3430_GRPSEL_GPIO6 | OMAP3430_EN_UART3 |
+                          OMAP3430_EN_MCBSP2 | OMAP3430_EN_MCBSP3 |
+                          OMAP3430_EN_MCBSP4,
                           OMAP3430_PER_MOD, OMAP3430_PM_MPUGRPSEL);
 
         /* Don't attach IVA interrupts */