From 802a5639aa7041b27cb865d3be289cd8afe3387b Mon Sep 17 00:00:00 2001 From: Kuninori Morimoto Date: Thu, 5 Jul 2012 01:26:31 -0700 Subject: 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 Acked-by: Magnus Damm Signed-off-by: Rafael J. Wysocki --- arch/arm/mach-shmobile/pm-r8a7740.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'arch/arm/mach-shmobile/pm-r8a7740.c') diff --git a/arch/arm/mach-shmobile/pm-r8a7740.c b/arch/arm/mach-shmobile/pm-r8a7740.c index d2fe81570a7..de7c6214ce6 100644 --- a/arch/arm/mach-shmobile/pm-r8a7740.c +++ b/arch/arm/mach-shmobile/pm-r8a7740.c @@ -8,6 +8,7 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. */ +#include #include #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 */ -- cgit v1.2.3-70-g09d2