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ARM: pxa168: added keypad wake clear event support for platform 

Signed-off-by: Mark F. Brown <mark.brown314@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
hifive-unleashed-5.1
Mark F. Brown 2010-09-03 18:28:10 -04:00 committed by Eric Miao
parent 3587c25807
commit ab5739a179
2 changed files with 15 additions and 0 deletions
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5
arch/arm/mach-mmp/include/mach/pxa168.h
View File

@ -5,6 +5,7 @@ struct sys_timer;
extern struct sys_timer pxa168_timer;
extern void __init pxa168_init_irq(void);
extern void pxa168_clear_keypad_wakeup(void);
#include <linux/i2c.h>
#include <mach/devices.h>
@ -12,6 +13,7 @@ extern void __init pxa168_init_irq(void);
#include <plat/pxa3xx_nand.h>
#include <video/pxa168fb.h>
#include <plat/pxa27x_keypad.h>
#include <mach/cputype.h>
extern struct pxa_device_desc pxa168_device_uart1;
extern struct pxa_device_desc pxa168_device_uart2;
@ -109,6 +111,9 @@ static inline int pxa168_add_fb(struct pxa168fb_mach_info *mi)
static inline int pxa168_add_keypad(struct pxa27x_keypad_platform_data *data)
{
if (cpu_is_pxa168())
data->clear_wakeup_event = pxa168_clear_keypad_wakeup;
return pxa_register_device(&pxa168_device_keypad, data, sizeof(*data));
}

10
arch/arm/mach-mmp/pxa168.c
View File

@ -136,6 +136,16 @@ struct sys_timer pxa168_timer = {
.init = pxa168_timer_init,
};
void pxa168_clear_keypad_wakeup(void)
{
uint32_t val;
uint32_t mask = APMU_PXA168_KP_WAKE_CLR;
/* wake event clear is needed in order to clear keypad interrupt */
val = __raw_readl(APMU_WAKE_CLR);
__raw_writel(val | mask, APMU_WAKE_CLR);
}
/* on-chip devices */
PXA168_DEVICE(uart1, "pxa2xx-uart", 0, UART1, 0xd4017000, 0x30, 21, 22);
PXA168_DEVICE(uart2, "pxa2xx-uart", 1, UART2, 0xd4018000, 0x30, 23, 24);