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rtc: qmsi: Adds device suspend/resume to rtc_qmsi device

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This adds some basic suspend/resume support in the rtc qmsi
driver. This is part of a change to enable device suspend/resume
and Deep Sleep support in sample application.

Jira: ZEP-512
Change-Id: I79ccfb56de5b3cbfb5bc91e9cacca68554aa46ee
Signed-off-by: Ramesh Thomas <ramesh.thomas@intel.com>
This commit is contained in:
Ramesh Thomas 2016-07-14 11:42:27 -07:00
commit 1171348038
1 changed files with 28 additions and 3 deletions
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31
drivers/rtc/rtc_qmsi.c
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@ -21,6 +21,7 @@
#include <init.h>
#include <nanokernel.h>
#include <rtc.h>
#include <power.h>
#include "qm_isr.h"
#include "qm_rtc.h"
@ -89,6 +90,30 @@ static int rtc_qmsi_init(struct device *dev)
return 0;
}
DEVICE_AND_API_INIT(rtc, CONFIG_RTC_0_NAME, &rtc_qmsi_init, NULL, NULL,
SECONDARY, CONFIG_KERNEL_INIT_PRIORITY_DEVICE,
(void *)&api);
#ifdef CONFIG_DEVICE_POWER_MANAGEMENT
static uint32_t int_rtc_mask_save;
static int rtc_suspend_device(struct device *dev, int pm_policy)
{
if (pm_policy == SYS_PM_DEEP_SLEEP) {
int_rtc_mask_save = QM_SCSS_INT->int_rtc_mask;
}
return 0;
}
static int rtc_resume_device(struct device *dev, int pm_policy)
{
if (pm_policy == SYS_PM_DEEP_SLEEP) {
QM_SCSS_INT->int_rtc_mask = int_rtc_mask_save;
}
return 0;
}
#endif
DEFINE_DEVICE_PM_OPS(rtc, rtc_suspend_device, rtc_resume_device);
DEVICE_AND_API_INIT_PM(rtc, CONFIG_RTC_0_NAME, &rtc_qmsi_init,
DEVICE_PM_OPS_GET(rtc), NULL, NULL, SECONDARY,
CONFIG_KERNEL_INIT_PRIORITY_DEVICE, (void *)&api);