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ARM: shmobile: r8a7740: Add A3SM pm domain support

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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: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Geert Uytterhoeven 2014-10-23 13:19:01 +02:00 • committed by Simon Horman
parent 4ee7830c3e
commit dc4470e177
1 changed files with 8 additions and 4 deletions
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12
arch/arm/mach-shmobile/pm-r8a7740.c
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@ -14,10 +14,10 @@
#include "pm-rmobile.h" #include "pm-rmobile.h"
#if defined(CONFIG_PM) && !defined(CONFIG_ARCH_MULTIPLATFORM) #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. * only be turned off if the CPU is not in use.
*/ */
return -EBUSY; return -EBUSY;
@ -63,15 +63,18 @@ static struct rmobile_pm_domain r8a7740_pm_domains[] = {
}, { }, {
.genpd.name = "A4S", .genpd.name = "A4S",
.bit_shift = 10, .bit_shift = 10,
.gov = &pm_domain_always_on_gov,
.no_debug = true, .no_debug = true,
.suspend = r8a7740_pd_a4s_suspend,
}, { }, {
.genpd.name = "A3SP", .genpd.name = "A3SP",
.bit_shift = 11, .bit_shift = 11,
.gov = &pm_domain_always_on_gov, .gov = &pm_domain_always_on_gov,
.no_debug = true, .no_debug = true,
.suspend = r8a7740_pd_a3sp_suspend, .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", .genpd.name = "A3SG",
.bit_shift = 13, .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)); rmobile_init_domains(r8a7740_pm_domains, ARRAY_SIZE(r8a7740_pm_domains));
pm_genpd_add_subdomain_names("A4R", "A3RV"); pm_genpd_add_subdomain_names("A4R", "A3RV");
pm_genpd_add_subdomain_names("A4S", "A3SP"); pm_genpd_add_subdomain_names("A4S", "A3SP");
pm_genpd_add_subdomain_names("A4S", "A3SM");
pm_genpd_add_subdomain_names("A4S", "A3SG"); pm_genpd_add_subdomain_names("A4S", "A3SG");
} }
#endif /* CONFIG_PM && !CONFIG_ARCH_MULTIPLATFORM */ #endif /* CONFIG_PM && !CONFIG_ARCH_MULTIPLATFORM */