1 // SPDX-License-Identifier: GPL-2.0-only
3  * Keystone broadcast clock-event
17 #define TIMER_NAME			"timer-keystone"
117 static irqreturn_t keystone_timer_interrupt(int irq, void *dev_id)  in keystone_timer_interrupt()  argument
121 	evt->event_handler(evt);  in keystone_timer_interrupt()
148 	int irq, error;  in keystone_timer_init()  local
150 	irq  = irq_of_parse_and_map(np, 0);  in keystone_timer_init()
151 	if (!irq) {  in keystone_timer_init()
153 		return -EINVAL;  in keystone_timer_init()
159 		return -ENXIO;  in keystone_timer_init()
182 	/* reset timer as 64-bit, no pre-scaler, plus features are disabled */  in keystone_timer_init()
197 	error = request_irq(irq, keystone_timer_interrupt, IRQF_TIMER,  in keystone_timer_init()
200 		pr_err("%s: failed to setup irq\n", __func__);  in keystone_timer_init()
205 	event_dev->features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT;  in keystone_timer_init()
206 	event_dev->set_next_event = keystone_set_next_event;  in keystone_timer_init()
207 	event_dev->set_state_shutdown = keystone_shutdown;  in keystone_timer_init()
208 	event_dev->set_state_periodic = keystone_set_periodic;  in keystone_timer_init()
209 	event_dev->set_state_oneshot = keystone_shutdown;  in keystone_timer_init()
210 	event_dev->cpumask = cpu_possible_mask;  in keystone_timer_init()
211 	event_dev->owner = THIS_MODULE;  in keystone_timer_init()
212 	event_dev->name = TIMER_NAME;  in keystone_timer_init()
213 	event_dev->irq = irq;  in keystone_timer_init()
217 	pr_info("keystone timer clock @%lu Hz\n", rate);  in keystone_timer_init()
225 TIMER_OF_DECLARE(keystone_timer, "ti,keystone-timer",