[PATCH 5/9] ARM: sa1100: add platform functions to handle PWER settings
From: Dmitry Eremin-Solenikov <hidden>
Date: 2013-11-15 08:48:26
Also in:
linux-gpio
Subsystem:
arm port, the rest · Maintainers:
Russell King, Linus Torvalds
PWER settings logically belongs neither to GPIO nor to system IRQ code. Add special functions to handle PWER (for GPIO and for system IRQs) from platform code. Signed-off-by: Dmitry Eremin-Solenikov <redacted> --- arch/arm/mach-sa1100/generic.c | 21 +++++++++++++++++++++ arch/arm/mach-sa1100/generic.h | 2 ++ 2 files changed, 23 insertions(+)
diff --git a/arch/arm/mach-sa1100/generic.c b/arch/arm/mach-sa1100/generic.c
index c2718f0..702f18c 100644
--- a/arch/arm/mach-sa1100/generic.c
+++ b/arch/arm/mach-sa1100/generic.c@@ -421,3 +421,24 @@ void sa1110_mb_enable(void) local_irq_restore(flags); } +int sa11x0_gpio_set_wake(unsigned int gpio, unsigned int on) +{ + if (on) + PWER |= 1 << gpio; + else + PWER &= ~(1 << gpio); + + return 0; +} + +int sa11x0_sc_set_wake(unsigned int irq, unsigned int on) +{ + if (irq != IRQ_RTCAlrm) + return -EINVAL; + + if (on) + PWER |= PWER_RTC; + else + PWER &= ~PWER_RTC; + return 0; +}
diff --git a/arch/arm/mach-sa1100/generic.h b/arch/arm/mach-sa1100/generic.h
index 0b68b95..39753c4 100644
--- a/arch/arm/mach-sa1100/generic.h
+++ b/arch/arm/mach-sa1100/generic.h@@ -11,6 +11,8 @@ extern void __init sa1100_map_io(void); extern void __init sa1100_init_irq(void); extern void sa11x0_restart(enum reboot_mode, const char *); extern void sa11x0_init_late(void); +extern int sa11x0_gpio_set_wake(unsigned int gpio, unsigned int on); +extern int sa11x0_sc_set_wake(unsigned int irq, unsigned int on); #define SET_BANK(__nr,__start,__size) \ mi->bank[__nr].start = (__start), \
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