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ARM: shmobile: r8a7740: add A3SP pm domain support

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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>
This commit is contained in:
Kuninori Morimoto 2012-07-05 01:26:31 -07:00 committed by Rafael J. Wysocki
parent 8459293c27
commit 802a5639aa
3 changed files with 36 additions and 0 deletions
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1
arch/arm/mach-shmobile/include/mach/r8a7740.h
View File

@ -608,6 +608,7 @@ enum {
#ifdef CONFIG_PM
extern struct rmobile_pm_domain r8a7740_pd_a4s;
extern struct rmobile_pm_domain r8a7740_pd_a3sp;
#endif /* CONFIG_PM */
#endif /* __ASM_R8A7740_H__ */

19
arch/arm/mach-shmobile/pm-r8a7740.c
View File

@ -8,6 +8,7 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
#include <linux/console.h>
#include <mach/pm-rmobile.h>
#ifdef CONFIG_PM
@ -27,4 +28,22 @@ struct rmobile_pm_domain r8a7740_pd_a4s = {
.no_debug = true,
.suspend = r8a7740_pd_a4s_suspend,
};
static int r8a7740_pd_a3sp_suspend(void)
{
/*
* Serial consoles make use of SCIF hardware located in A3SP,
* keep such power domain on if "no_console_suspend" is set.
*/
return console_suspend_enabled ? 0 : -EBUSY;
}
struct rmobile_pm_domain r8a7740_pd_a3sp = {
.genpd.name = "A3SP",
.bit_shift = 11,
.gov = &pm_domain_always_on_gov,
.no_debug = true,
.suspend = r8a7740_pd_a3sp_suspend,
};
#endif /* CONFIG_PM */

16
arch/arm/mach-shmobile/setup-r8a7740.c
View File

@ -674,12 +674,28 @@ void __init r8a7740_add_standard_devices(void)
/* 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)