imx21_timer_init_dt  520 drivers/clocksource/timer-imx-gpt.c TIMER_OF_DECLARE(imx21_timer, "fsl,imx21-gpt", imx21_timer_init_dt);
imx21_timer_init_dt  521 drivers/clocksource/timer-imx-gpt.c TIMER_OF_DECLARE(imx27_timer, "fsl,imx27-gpt", imx21_timer_init_dt);