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Commit dc4470e1 authored by Geert Uytterhoeven's avatar Geert Uytterhoeven Committed by Simon Horman
Browse files

ARM: shmobile: r8a7740: Add A3SM pm domain support 



Add support for the A3SM power domain, and hook it up as a subdomain of
A4S.

This domain contains the System CPU (Cortex-A9) hardware block. Hence
move the special CPU handling from A4S to A3SM.

Signed-off-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: default avatarSimon Horman <horms+renesas@verge.net.au>
parent 4ee7830c

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

+8 −4
Original line number Diff line number Diff line
@@ -14,10 +14,10 @@ 
#include "pm-rmobile.h"



#if defined(CONFIG_PM) && !defined(CONFIG_ARCH_MULTIPLATFORM)

static int r8a7740_pd_a4s_suspend(void)

static int r8a7740_pd_a3sm_suspend(void)

{

	/*

	 * The A4S domain contains the CPU core and therefore it should

	 * The A3SM domain contains the CPU core and therefore it should

	 * only be turned off if the CPU is not in use.

	 */

	return -EBUSY;
@@ -63,15 +63,18 @@ static struct rmobile_pm_domain r8a7740_pm_domains[] = { 
	}, {

		.genpd.name	= "A4S",

		.bit_shift	= 10,

		.gov		= &pm_domain_always_on_gov,

		.no_debug	= true,

		.suspend	= r8a7740_pd_a4s_suspend,

	}, {

		.genpd.name	= "A3SP",

		.bit_shift	= 11,

		.gov		= &pm_domain_always_on_gov,

		.no_debug	= true,

		.suspend	= r8a7740_pd_a3sp_suspend,

	}, {

		.genpd.name	= "A3SM",

		.bit_shift	= 12,

		.gov		= &pm_domain_always_on_gov,

		.suspend	= r8a7740_pd_a3sm_suspend,

	}, {

		.genpd.name	= "A3SG",

		.bit_shift	= 13,
@@ -86,6 +89,7 @@ void __init r8a7740_init_pm_domains(void) 
	rmobile_init_domains(r8a7740_pm_domains, ARRAY_SIZE(r8a7740_pm_domains));

	pm_genpd_add_subdomain_names("A4R", "A3RV");

	pm_genpd_add_subdomain_names("A4S", "A3SP");

	pm_genpd_add_subdomain_names("A4S", "A3SM");

	pm_genpd_add_subdomain_names("A4S", "A3SG");

}

#endif /* CONFIG_PM && !CONFIG_ARCH_MULTIPLATFORM */