]> pilppa.com Git - linux-2.6-omap-h63xx.git/commitdiff
OMAP3: PM: enable gptimer12 as a wakeup source
authorKevin Hilman <khilman@deeprootsystems.com>
Tue, 16 Dec 2008 18:15:23 +0000 (10:15 -0800)
committerKevin Hilman <khilman@deeprootsystems.com>
Wed, 7 Jan 2009 22:02:47 +0000 (14:02 -0800)
GPT12 is in the WKUP powerdomain and can be useful as the system timer
and thus a wakeup source for sleep while idle.

Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
arch/arm/mach-omap2/pm34xx.c
arch/arm/mach-omap2/prcm-common.h

index bd74183f95ff3c4b4ad5dc14558540c20591a42b..8e3c257f1235b422f770cb567cf360be50232028 100644 (file)
@@ -505,10 +505,12 @@ static void __init prcm_setup_regs(void)
                             OMAP3_PRM_CLKSRC_CTRL_OFFSET);
 
        /* setup wakup source */
-       prm_write_mod_reg(OMAP3430_EN_IO | OMAP3430_EN_GPIO1 | OMAP3430_EN_GPT1,
+       prm_write_mod_reg(OMAP3430_EN_IO | OMAP3430_EN_GPIO1 |
+                         OMAP3430_EN_GPT1 | OMAP3430_EN_GPT12,
                          WKUP_MOD, PM_WKEN);
        /* No need to write EN_IO, that is always enabled */
-       prm_write_mod_reg(OMAP3430_EN_GPIO1 | OMAP3430_EN_GPT1,
+       prm_write_mod_reg(OMAP3430_EN_GPIO1 | OMAP3430_EN_GPT1 |
+                         OMAP3430_EN_GPT12,
                          WKUP_MOD, OMAP3430_PM_MPUGRPSEL);
        /* For some reason IO doesn't generate wakeup event even if
         * it is selected to mpu wakeup goup */
index 812d50ee495d5d3201d718373612a593ecc1fdcf..cb1ae84e0925a597a31bb6385c82d686a887bff3 100644 (file)
 /* CM_FCLKEN_WKUP, CM_ICLKEN_WKUP, PM_WKEN_WKUP shared bits */
 #define OMAP3430_EN_GPIO1                              (1 << 3)
 #define OMAP3430_EN_GPIO1_SHIFT                                3
+#define OMAP3430_EN_GPT12                              (1 << 1)
+#define OMAP3430_EN_GPT12_SHIFT                                1
 #define OMAP3430_EN_GPT1                               (1 << 0)
 #define OMAP3430_EN_GPT1_SHIFT                         0