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Commit 802a5639 authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Rafael J. Wysocki
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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: default avatarKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: default avatarMagnus Damm <damm@opensource.se>
Signed-off-by: default avatarRafael J. Wysocki <rjw@sisk.pl>
parent 8459293c

arch/arm/mach-shmobile/include/mach/r8a7740.h

+1 −0
Original line number Original line Diff line number Diff line
@@ -608,6 +608,7 @@ enum { 




#ifdef CONFIG_PM

#ifdef CONFIG_PM

extern struct rmobile_pm_domain r8a7740_pd_a4s;

extern struct rmobile_pm_domain r8a7740_pd_a4s;

extern struct rmobile_pm_domain r8a7740_pd_a3sp;

#endif /* CONFIG_PM */

#endif /* CONFIG_PM */





#endif /* __ASM_R8A7740_H__ */
 
#endif /* __ASM_R8A7740_H__ */

arch/arm/mach-shmobile/pm-r8a7740.c

+19 −0
Original line number Original line Diff line number Diff line
@@ -8,6 +8,7 @@ 
 * License.  See the file "COPYING" in the main directory of this archive

 * License.  See the file "COPYING" in the main directory of this archive

 * for more details.

 * for more details.

 */

 */

#include <linux/console.h>

#include <mach/pm-rmobile.h>

#include <mach/pm-rmobile.h>





#ifdef CONFIG_PM

#ifdef CONFIG_PM
@@ -27,4 +28,22 @@ struct rmobile_pm_domain r8a7740_pd_a4s = { 
	.no_debug	= true,

	.no_debug	= true,

	.suspend	= r8a7740_pd_a4s_suspend,

	.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 */
 
#endif /* CONFIG_PM */

arch/arm/mach-shmobile/setup-r8a7740.c

+16 −0
Original line number Original line Diff line number Diff line
@@ -674,12 +674,28 @@ void __init r8a7740_add_standard_devices(void) 




	/* PM domain */

	/* PM domain */

	rmobile_init_pm_domain(&r8a7740_pd_a4s);

	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 */

	/* add devices */

	platform_add_devices(r8a7740_early_devices,

	platform_add_devices(r8a7740_early_devices,

			    ARRAY_SIZE(r8a7740_early_devices));

			    ARRAY_SIZE(r8a7740_early_devices));

	platform_add_devices(r8a7740_late_devices,

	platform_add_devices(r8a7740_late_devices,

			     ARRAY_SIZE(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)

static void __init r8a7740_earlytimer_init(void)