diff options
author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2010-06-30 06:16:24 -0400 |
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committer | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2010-07-26 08:27:25 -0400 |
commit | 2dcf78c0eeae3bd07082821557014f25f02ca2e9 (patch) | |
tree | 8ca5c4c7f35c9a9ab07fcd9732124c905e609aa1 /arch/arm/mach-imx/pm-imx27.c | |
parent | 6b6322676add0fa2713d0ec89a28390fd4d907f5 (diff) | |
parent | 5109a4597f7e758b8d20694392d0361a0b4c43b1 (diff) |
Merge branch 'imx/for-2.6.36' of git://git.pengutronix.de/git/ukl/linux-2.6 into HEAD
There are some more conflicts than detected by git, namely support for
the newly added cpuimx machines needed to be converted to dynamic device
registration.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Conflicts:
arch/arm/mach-imx/Makefile
arch/arm/mach-imx/devices.c
arch/arm/mach-imx/devices.h
arch/arm/mach-imx/eukrea_mbimx27-baseboard.c
arch/arm/mach-mx2/Kconfig
arch/arm/mach-mx25/Makefile
arch/arm/mach-mx25/devices.c
arch/arm/plat-mxc/include/mach/mx25.h
arch/arm/plat-mxc/include/mach/mxc_nand.h
Diffstat (limited to 'arch/arm/mach-imx/pm-imx27.c')
-rw-r--r-- | arch/arm/mach-imx/pm-imx27.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/pm-imx27.c b/arch/arm/mach-imx/pm-imx27.c new file mode 100644 index 000000000000..afc17ce0bb54 --- /dev/null +++ b/arch/arm/mach-imx/pm-imx27.c | |||
@@ -0,0 +1,46 @@ | |||
1 | /* | ||
2 | * i.MX27 Power Management Routines | ||
3 | * | ||
4 | * Based on Freescale's BSP | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or | ||
7 | * modify it under the terms of the GNU General Public License. | ||
8 | */ | ||
9 | |||
10 | #include <linux/kernel.h> | ||
11 | #include <linux/suspend.h> | ||
12 | #include <linux/io.h> | ||
13 | #include <mach/system.h> | ||
14 | #include <mach/mx27.h> | ||
15 | |||
16 | static int mx27_suspend_enter(suspend_state_t state) | ||
17 | { | ||
18 | u32 cscr; | ||
19 | switch (state) { | ||
20 | case PM_SUSPEND_MEM: | ||
21 | /* Clear MPEN and SPEN to disable MPLL/SPLL */ | ||
22 | cscr = __raw_readl(MX27_IO_ADDRESS(MX27_CCM_BASE_ADDR)); | ||
23 | cscr &= 0xFFFFFFFC; | ||
24 | __raw_writel(cscr, MX27_IO_ADDRESS(MX27_CCM_BASE_ADDR)); | ||
25 | /* Executes WFI */ | ||
26 | arch_idle(); | ||
27 | break; | ||
28 | |||
29 | default: | ||
30 | return -EINVAL; | ||
31 | } | ||
32 | return 0; | ||
33 | } | ||
34 | |||
35 | static struct platform_suspend_ops mx27_suspend_ops = { | ||
36 | .enter = mx27_suspend_enter, | ||
37 | .valid = suspend_valid_only_mem, | ||
38 | }; | ||
39 | |||
40 | static int __init mx27_pm_init(void) | ||
41 | { | ||
42 | suspend_set_ops(&mx27_suspend_ops); | ||
43 | return 0; | ||
44 | } | ||
45 | |||
46 | device_initcall(mx27_pm_init); | ||