select ARCH_HAS_CPUFREQ
        select CLKDEV_LOOKUP
        select CLKSRC_MMIO
+       select CLKSRC_OF
        select COMMON_CLK
        select GENERIC_CLOCKEVENTS
        select GENERIC_GPIO
 
 obj-y                                   += io.o
 obj-y                                   += irq.o
 obj-y                                   += clock.o
-obj-y                                   += timer.o
 obj-y                                  += fuse.o
 obj-y                                  += pmc.o
 obj-y                                  += flowctrl.o
 
  *
  */
 
+#include <linux/clocksource.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
        .init_early     = tegra20_init_early,
        .init_irq       = tegra_dt_init_irq,
        .handle_irq     = gic_handle_irq,
-       .init_time      = tegra_init_timer,
+       .init_time      = clocksource_of_init,
        .init_machine   = tegra_dt_init,
        .init_late      = tegra_dt_init_late,
        .restart        = tegra_assert_system_reset,
 
  *
  */
 
+#include <linux/clocksource.h>
 #include <linux/kernel.h>
 #include <linux/of.h>
 #include <linux/of_address.h>
        .init_early     = tegra30_init_early,
        .init_irq       = tegra_dt_init_irq,
        .handle_irq     = gic_handle_irq,
-       .init_time      = tegra_init_timer,
+       .init_time      = clocksource_of_init,
        .init_machine   = tegra30_dt_init,
        .init_late      = tegra_init_late,
        .restart        = tegra_assert_system_reset,
 
 
 void __init tegra_paz00_wifikill_init(void);
 
-extern void tegra_init_timer(void);
 #endif
 
 obj-$(CONFIG_ARMADA_370_XP_TIMER)      += time-armada-370-xp.o
 obj-$(CONFIG_ARCH_BCM2835)     += bcm2835_timer.o
 obj-$(CONFIG_SUNXI_TIMER)      += sunxi_timer.o
+obj-$(CONFIG_ARCH_TEGRA)       += tegra20_timer.o
 
 obj-$(CONFIG_CLKSRC_ARM_GENERIC)       += arm_generic.o
 
 /*
- * arch/arch/mach-tegra/timer.c
- *
  * Copyright (C) 2010 Google, Inc.
  *
  * Author:
 #include <asm/smp_twd.h>
 #include <asm/sched_clock.h>
 
-#include "board.h"
-
 #define RTC_SECONDS            0x08
 #define RTC_SHADOW_SECONDS     0x0c
 #define RTC_MILLISECONDS       0x10
        {}
 };
 
-void __init tegra_init_timer(void)
+static void __init tegra20_init_timer(void)
 {
        struct device_node *np;
        struct clk *clk;
 #endif
        register_persistent_clock(NULL, tegra_read_persistent_clock);
 }
+CLOCKSOURCE_OF_DECLARE(tegra20, "nvidia,tegra20-timer", tegra20_init_timer);
 
 #ifdef CONFIG_PM
 static u32 usec_config;