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soc: ti: wkup_m3_ipc: Add rtc_only with ddr in self refresh mode support

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Adds rtc_only support. This needs resume function to shutdown and
reboot the m3.

Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
This commit is contained in:
Keerthy
2018-07-04 20:19:06 -07:00
committed by Santosh Shilimkar
parent 38853979e6
commit 7a872b6fb7
2 changed files with 44 additions and 0 deletions
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3
include/linux/wkup_m3_ipc.h
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@@ -40,6 +40,7 @@ struct wkup_m3_ipc {
struct mbox_chan *mbox;
struct wkup_m3_ipc_ops *ops;
int is_rtc_only;
};
struct wkup_m3_ipc_ops {
@@ -48,8 +49,10 @@ struct wkup_m3_ipc_ops {
int (*prepare_low_power)(struct wkup_m3_ipc *m3_ipc, int state);
int (*finish_low_power)(struct wkup_m3_ipc *m3_ipc);
int (*request_pm_status)(struct wkup_m3_ipc *m3_ipc);
void (*set_rtc_only)(struct wkup_m3_ipc *m3_ipc);
};
struct wkup_m3_ipc *wkup_m3_ipc_get(void);
void wkup_m3_ipc_put(struct wkup_m3_ipc *m3_ipc);
void wkup_m3_set_rtc_only_mode(void);
#endif /* _LINUX_WKUP_M3_IPC_H */