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>
diff --git a/arch/arm/mach-mmp/pxa168.c b/arch/arm/mach-mmp/pxa168.c
index 2fa16fb..72b4e76 100644
--- a/arch/arm/mach-mmp/pxa168.c
+++ b/arch/arm/mach-mmp/pxa168.c
@@ -136,6 +136,16 @@
.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);