2 * i.MX27 Power Management Routines
4 * Based on Freescale's BSP
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License.
10 #include <linux/kernel.h>
11 #include <linux/suspend.h>
13 #include <mach/hardware.h>
15 static int mx27_suspend_enter(suspend_state_t state)
20 /* Clear MPEN and SPEN to disable MPLL/SPLL */
21 cscr = __raw_readl(MX27_IO_ADDRESS(MX27_CCM_BASE_ADDR));
23 __raw_writel(cscr, MX27_IO_ADDRESS(MX27_CCM_BASE_ADDR));
34 static const struct platform_suspend_ops mx27_suspend_ops = {
35 .enter = mx27_suspend_enter,
36 .valid = suspend_valid_only_mem,
39 static int __init mx27_pm_init(void)
44 suspend_set_ops(&mx27_suspend_ops);
48 device_initcall(mx27_pm_init);