drivers/clocksource/dw_apb_timer_of.c

1 // SPDX-License-Identifier: GPL-2.0-only
6  * Modified from mach-picoxcell/time.c
30 	 * Reset the timer if the reset control is available, wiping  in timer_get_base_and_rate()
49 	timer_clk = of_clk_get_by_name(np, "timer");  in timer_get_base_and_rate()
59 	if (of_property_read_u32(np, "clock-freq", rate) &&  in timer_get_base_and_rate()
60 	    of_property_read_u32(np, "clock-frequency", rate))  in timer_get_base_and_rate()
61 		panic("No clock nor clock-frequency property for %pOFn", np);  in timer_get_base_and_rate()
72 		panic("No IRQ for clock event timer");  in add_clockevent()
76 	ced = dw_apb_clockevent_init(-1, event_timer->name, 300, iobase, irq,  in add_clockevent()
95 	cs = dw_apb_clocksource_init(300, source_timer->name, iobase, rate);  in add_clocksource()
104 	 * timer is found. sched_io_base then points to the current_value  in add_clocksource()
105 	 * register of the clocksource timer.  in add_clocksource()
117 	{ .compatible = "picochip,pc3x2-rtc" },
147 static int __init dw_apb_timer_init(struct device_node *timer)  in dw_apb_timer_init()  argument
151 		pr_debug("%s: found clocksource timer\n", __func__);  in dw_apb_timer_init()
152 		add_clocksource(timer);  in dw_apb_timer_init()
160 		pr_debug("%s: found clockevent timer\n", __func__);  in dw_apb_timer_init()
161 		add_clockevent(timer);  in dw_apb_timer_init()
169 TIMER_OF_DECLARE(pc3x2_timer, "picochip,pc3x2-timer", dw_apb_timer_init);
170 TIMER_OF_DECLARE(apb_timer_osc, "snps,dw-apb-timer-osc", dw_apb_timer_init);
171 TIMER_OF_DECLARE(apb_timer_sp, "snps,dw-apb-timer-sp", dw_apb_timer_init);
172 TIMER_OF_DECLARE(apb_timer, "snps,dw-apb-timer", dw_apb_timer_init);