linux-imx

    ret = clocksource_mmio_init(nps_msu_reg_low_addr, "nps-tick",

                    nps_timer1_freq, 300, 32, nps_clksrc_read);

    if (ret) {

        pr_err("Couldn't register clock source.\n");

        clk_disable_unprepare(clk);

    }

​

    return ret;

}

​

               nps_setup_clocksource);

               nps_setup_clocksource);

​

#ifdef CONFIG_EZNPS_MTM_EXT

#include <soc/nps/mtm.h>

​

/* Timer related Aux registers */

#define NPS_REG_TIMER0_TSI  0xFFFFF850

#define NPS_REG_TIMER0_LIMIT    0x23

#define NPS_REG_TIMER0_CTRL 0x22

#define NPS_REG_TIMER0_CNT  0x21

    if (ret) {

        pr_err("Failed to setup hotplug state\n");

        clk_disable_unprepare(clk);

        free_percpu_irq(nps_timer0_irq, &nps_clockevent_device);

        return ret;

    }

​

    return 0;

}

​

               nps_setup_clockevent);

#endif /* CONFIG_EZNPS_MTM_EXT */