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| author | Mark F. Brown <mark.brown314@gmail.com> | 2010-09-03 18:28:10 -0400 |
|---|---|---|
| committer | Eric Miao <eric.y.miao@gmail.com> | 2010-10-09 17:07:20 +0800 |
| commit | ab5739a17953b22480dc7caf6603380d563c53fc (patch) | |
| tree | 6ff08440ce7e9c03e2b102943e928249c9d58eb4 /arch/arm | |
| parent | 3587c258078479824342f33dc513ca7c66d729bc (diff) | |
| download | linux-ab5739a17953b22480dc7caf6603380d563c53fc.tar.gz linux-ab5739a17953b22480dc7caf6603380d563c53fc.tar.bz2 linux-ab5739a17953b22480dc7caf6603380d563c53fc.zip | |
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>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-mmp/include/mach/pxa168.h | 5 | ||||
| -rw-r--r-- | arch/arm/mach-mmp/pxa168.c | 10 |
2 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm/mach-mmp/include/mach/pxa168.h b/arch/arm/mach-mmp/include/mach/pxa168.h index f34e6638fc6c..1801e4206232 100644 --- a/arch/arm/mach-mmp/include/mach/pxa168.h +++ b/arch/arm/mach-mmp/include/mach/pxa168.h @@ -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)); } diff --git a/arch/arm/mach-mmp/pxa168.c b/arch/arm/mach-mmp/pxa168.c index 2fa16fb4503c..72b4e7631583 100644 --- a/arch/arm/mach-mmp/pxa168.c +++ b/arch/arm/mach-mmp/pxa168.c @@ -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); |