ARM: shmobile: r8a7740: add A3SP pm domain support

This patch adds basic A3SP pm domain support.
Now, below devices can be controled by PM

DMAC1/2/3, IPMMU, DDM, FLCTL, SYS-HPB, BBIF1, MSIOF1/2,
SCIFA,SCIFB, IIC1, IrDA, USBH, USBDMAC, SDHI0/1/2, TPU,
DREQPAK (Sys),  MMCIF, RSPI, SIM, USBF

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
diff --git a/arch/arm/mach-shmobile/setup-r8a7740.c b/arch/arm/mach-shmobile/setup-r8a7740.c
index c37ad75..59c79412 100644
--- a/arch/arm/mach-shmobile/setup-r8a7740.c
+++ b/arch/arm/mach-shmobile/setup-r8a7740.c
@@ -674,12 +674,28 @@
 
 	/* PM domain */
 	rmobile_init_pm_domain(&r8a7740_pd_a4s);
+	rmobile_init_pm_domain(&r8a7740_pd_a3sp);
+
+	rmobile_pm_add_subdomain(&r8a7740_pd_a4s, &r8a7740_pd_a3sp);
 
 	/* add devices */
 	platform_add_devices(r8a7740_early_devices,
 			    ARRAY_SIZE(r8a7740_early_devices));
 	platform_add_devices(r8a7740_late_devices,
 			     ARRAY_SIZE(r8a7740_late_devices));
+
+	/* add devices to PM domain  */
+
+	rmobile_add_device_to_domain(&r8a7740_pd_a3sp,	&scif0_device);
+	rmobile_add_device_to_domain(&r8a7740_pd_a3sp,	&scif1_device);
+	rmobile_add_device_to_domain(&r8a7740_pd_a3sp,	&scif2_device);
+	rmobile_add_device_to_domain(&r8a7740_pd_a3sp,	&scif3_device);
+	rmobile_add_device_to_domain(&r8a7740_pd_a3sp,	&scif4_device);
+	rmobile_add_device_to_domain(&r8a7740_pd_a3sp,	&scif5_device);
+	rmobile_add_device_to_domain(&r8a7740_pd_a3sp,	&scif6_device);
+	rmobile_add_device_to_domain(&r8a7740_pd_a3sp,	&scif7_device);
+	rmobile_add_device_to_domain(&r8a7740_pd_a3sp,	&scifb_device);
+	rmobile_add_device_to_domain(&r8a7740_pd_a3sp,	&i2c1_device);
 }
 
 static void __init r8a7740_earlytimer_init(void)