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>
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1 changed files with 6 additions and 2 deletions
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@ -884,12 +884,16 @@ static void __init prcm_setup_regs(void)
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/* Enable wakeups in PER */
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prm_write_mod_reg(OMAP3430_EN_GPIO2 | OMAP3430_EN_GPIO3 |
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OMAP3430_EN_GPIO4 | OMAP3430_EN_GPIO5 |
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OMAP3430_EN_GPIO6 | OMAP3430_EN_UART3,
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OMAP3430_EN_GPIO6 | OMAP3430_EN_UART3 |
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OMAP3430_EN_MCBSP2 | OMAP3430_EN_MCBSP3 |
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OMAP3430_EN_MCBSP4,
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OMAP3430_PER_MOD, PM_WKEN);
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/* and allow them to wake up MPU */
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prm_write_mod_reg(OMAP3430_GRPSEL_GPIO2 | OMAP3430_EN_GPIO3 |
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OMAP3430_GRPSEL_GPIO4 | OMAP3430_EN_GPIO5 |
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OMAP3430_GRPSEL_GPIO6 | OMAP3430_EN_UART3,
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OMAP3430_GRPSEL_GPIO6 | OMAP3430_EN_UART3 |
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OMAP3430_EN_MCBSP2 | OMAP3430_EN_MCBSP3 |
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OMAP3430_EN_MCBSP4,
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OMAP3430_PER_MOD, OMAP3430_PM_MPUGRPSEL);
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/* Don't attach IVA interrupts */
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