* Author: Rickard Andersson <rickard.andersson@stericsson.com> for
* ST-Ericsson.
* Author: Daniel Lezcano <daniel.lezcano@linaro.org> for Linaro.
+ * Author: Ulf Hansson <ulf.hansson@linaro.org> for Linaro.
+ *
* License terms: GNU General Public License (GPL) version 2
*
*/
#include <linux/irqchip/arm-gic.h>
#include <linux/delay.h>
#include <linux/io.h>
+#include <linux/suspend.h>
#include <linux/platform_data/arm-ux500-pm.h>
#include "db8500-regs.h"
return 0;
}
+#ifdef CONFIG_SUSPEND
+static int ux500_suspend_enter(suspend_state_t state)
+{
+ cpu_do_idle();
+ return 0;
+}
+
+static int ux500_suspend_valid(suspend_state_t state)
+{
+ return state == PM_SUSPEND_MEM || state == PM_SUSPEND_STANDBY;
+}
+
+static const struct platform_suspend_ops ux500_suspend_ops = {
+ .enter = ux500_suspend_enter,
+ .valid = ux500_suspend_valid,
+};
+#define UX500_SUSPEND_OPS (&ux500_suspend_ops)
+#else
+#define UX500_SUSPEND_OPS NULL
+#endif
+
void __init ux500_pm_init(u32 phy_base, u32 size)
{
prcmu_base = ioremap(phy_base, size);
* This will make sure that the GIC is correctly configured.
*/
prcmu_gic_recouple();
+
+ /* Set up ux500 suspend callbacks. */
+ suspend_set_ops(UX500_SUSPEND_OPS);
}