drivers: clocksource: add support for ARM architected timer event stream

[karo-tx-linux.git] / include / clocksource / arm_arch_timer.h

diff --git a/include/clocksource/arm_arch_timer.h b/include/clocksource/arm_arch_timer.h
index 93b7f96f9c59f354be61ce529f90f8fda305f376..6d26b40cbf5d29c7d80c83a9fe22b4f9e85a0b70 100644 (file)
--- a/include/clocksource/arm_arch_timer.h
+++ b/include/clocksource/arm_arch_timer.h
@@ -33,6 +33,16 @@ enum arch_timer_reg {
 #define ARCH_TIMER_MEM_PHYS_ACCESS     2
 #define ARCH_TIMER_MEM_VIRT_ACCESS     3
 
+#define ARCH_TIMER_USR_PCT_ACCESS_EN   (1 << 0) /* physical counter */
+#define ARCH_TIMER_USR_VCT_ACCESS_EN   (1 << 1) /* virtual counter */
+#define ARCH_TIMER_VIRT_EVT_EN         (1 << 2)
+#define ARCH_TIMER_EVT_TRIGGER_SHIFT   (4)
+#define ARCH_TIMER_EVT_TRIGGER_MASK    (0xF << ARCH_TIMER_EVT_TRIGGER_SHIFT)
+#define ARCH_TIMER_USR_VT_ACCESS_EN    (1 << 8) /* virtual timer registers */
+#define ARCH_TIMER_USR_PT_ACCESS_EN    (1 << 9) /* physical timer registers */
+
+#define ARCH_TIMER_EVT_STREAM_FREQ     10000   /* 100us */
+
 #ifdef CONFIG_ARM_ARCH_TIMER
 
 extern u32 arch_timer_get_rate(void);