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

Peter Ujfalusi
2010-03-03T13:08:38Z

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>
---
arch/arm/mach-omap2/pm34xx.c | 8 ++++++--
1 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index 81ed252..6b17647 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -878,12 +878,16 @@ 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 */
--
1.6.5.3