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OMAP3 Turn on the GPIO bank clocks

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The function and interface clocks for each GPIO bank, except the first, must
be explicitly turned on.  These are controlled by the config level defines
CONFIG_OMAP3_GPIO_n where n is from 2 to 6.

Signed-off-by: Tom Rix <Tom.Rix@windriver.com>
Acked-by: Dirk Behme <dirk.behme@googlemail.com>
This commit is contained in:
Tom Rix 2009-05-29 18:57:31 -05:00 committed by Wolfgang Denk
parent 59272620c2
commit 708cfb74b7
1 changed files with 22 additions and 0 deletions
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22
cpu/arm_cortexa8/omap3/clock.c
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@ -357,6 +357,28 @@ void per_clocks_enable(void)
sr32(&prcm_base->fclken_per, 11, 1, 0x1);
sr32(&prcm_base->iclken_per, 11, 1, 0x1);
#endif
#ifdef CONFIG_OMAP3_GPIO_2
sr32(&prcm_base->fclken_per, 13, 1, 1);
sr32(&prcm_base->iclken_per, 13, 1, 1);
#endif
#ifdef CONFIG_OMAP3_GPIO_3
sr32(&prcm_base->fclken_per, 14, 1, 1);
sr32(&prcm_base->iclken_per, 14, 1, 1);
#endif
#ifdef CONFIG_OMAP3_GPIO_4
sr32(&prcm_base->fclken_per, 15, 1, 1);
sr32(&prcm_base->iclken_per, 15, 1, 1);
#endif
#ifdef CONFIG_OMAP3_GPIO_5
sr32(&prcm_base->fclken_per, 16, 1, 1);
sr32(&prcm_base->iclken_per, 16, 1, 1);
#endif
#ifdef CONFIG_OMAP3_GPIO_6
sr32(&prcm_base->fclken_per, 17, 1, 1);
sr32(&prcm_base->iclken_per, 17, 1, 1);
#endif
#ifdef CONFIG_DRIVER_OMAP34XX_I2C
/* Turn on all 3 I2C clocks */
sr32(&prcm_base->fclken1_core, 15, 3, 0x7);