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-rw-r--r--drivers/rtc/rtc-at91sam9.c22
1 files changed, 18 insertions, 4 deletions
diff --git a/drivers/rtc/rtc-at91sam9.c b/drivers/rtc/rtc-at91sam9.c
index 596374304532..51f0038949df 100644
--- a/drivers/rtc/rtc-at91sam9.c
+++ b/drivers/rtc/rtc-at91sam9.c
@@ -22,10 +22,6 @@
22#include <linux/platform_data/atmel.h> 22#include <linux/platform_data/atmel.h>
23#include <linux/io.h> 23#include <linux/io.h>
24 24
25#include <mach/at91_rtt.h>
26#include <mach/cpu.h>
27#include <mach/hardware.h>
28
29/* 25/*
30 * This driver uses two configurable hardware resources that live in the 26 * This driver uses two configurable hardware resources that live in the
31 * AT91SAM9 backup power domain (intended to be powered at all times) 27 * AT91SAM9 backup power domain (intended to be powered at all times)
@@ -47,6 +43,24 @@
47 * registers available, likewise usable for more than "RTC" support. 43 * registers available, likewise usable for more than "RTC" support.
48 */ 44 */
49 45
46#define AT91_RTT_MR 0x00 /* Real-time Mode Register */
47#define AT91_RTT_RTPRES (0xffff << 0) /* Real-time Timer Prescaler Value */
48#define AT91_RTT_ALMIEN (1 << 16) /* Alarm Interrupt Enable */
49#define AT91_RTT_RTTINCIEN (1 << 17) /* Real Time Timer Increment Interrupt Enable */
50#define AT91_RTT_RTTRST (1 << 18) /* Real Time Timer Restart */
51
52#define AT91_RTT_AR 0x04 /* Real-time Alarm Register */
53#define AT91_RTT_ALMV (0xffffffff) /* Alarm Value */
54
55#define AT91_RTT_VR 0x08 /* Real-time Value Register */
56#define AT91_RTT_CRTV (0xffffffff) /* Current Real-time Value */
57
58#define AT91_RTT_SR 0x0c /* Real-time Status Register */
59#define AT91_RTT_ALMS (1 << 0) /* Real-time Alarm Status */
60#define AT91_RTT_RTTINC (1 << 1) /* Real-time Timer Increment */
61
62#define AT91_SLOW_CLOCK 32768
63
50/* 64/*
51 * We store ALARM_DISABLED in ALMV to record that no alarm is set. 65 * We store ALARM_DISABLED in ALMV to record that no alarm is set.
52 * It's also the reset value for that field. 66 * It's also the reset value for that field.