diff --git a/drivers/clocksource/sun4i_timer.c b/drivers/clocksource/sun4i_timer.c
index f5e227b06ad56d9b5a0fcceaa5085d2f2a831f86..b581c93f20b3a2bedc07f33649c556637d40f3e9 100644
--- a/drivers/clocksource/sun4i_timer.c
+++ b/drivers/clocksource/sun4i_timer.c
@@ -19,6 +19,7 @@
 #include <linux/interrupt.h>
 #include <linux/irq.h>
 #include <linux/irqreturn.h>
+#include <linux/sched_clock.h>
 #include <linux/of.h>
 #include <linux/of_address.h>
 #include <linux/of_irq.h>
@@ -96,6 +97,11 @@ static struct irqaction sun4i_timer_irq = {
 	.dev_id = &sun4i_clockevent,
 };
 
+static u32 sun4i_timer_sched_read(void)
+{
+	return ~readl(timer_base + TIMER_CNTVAL_REG(1));
+}
+
 static void __init sun4i_timer_init(struct device_node *node)
 {
 	unsigned long rate = 0;
@@ -117,6 +123,15 @@ static void __init sun4i_timer_init(struct device_node *node)
 
 	rate = clk_get_rate(clk);
 
+	writel(~0, timer_base + TIMER_INTVAL_REG(1));
+	writel(TIMER_CTL_ENABLE | TIMER_CTL_RELOAD |
+	       TIMER_CTL_CLK_SRC(TIMER_CTL_CLK_SRC_OSC24M),
+	       timer_base + TIMER_CTL_REG(1));
+
+	setup_sched_clock(sun4i_timer_sched_read, 32, rate);
+	clocksource_mmio_init(timer_base + TIMER_CNTVAL_REG(1), node->name,
+			      rate, 300, 32, clocksource_mmio_readl_down);
+
 	writel(rate / (TIMER_SCAL * HZ),
 	       timer_base + TIMER_INTVAL_REG(0));