/*
- * Gemini timer driver
+ * Faraday Technology FTTMR010 timer driver
* Copyright (C) 2017 Linus Walleij <linus.walleij@linaro.org>
*
* Based on a rewrite of arch/arm/mach-gemini/timer.c:
static unsigned int tick_rate;
static void __iomem *base;
-static u64 notrace gemini_read_sched_clock(void)
+static u64 notrace fttmr010_read_sched_clock(void)
{
return readl(base + TIMER3_COUNT);
}
-static int gemini_timer_set_next_event(unsigned long cycles,
+static int fttmr010_timer_set_next_event(unsigned long cycles,
struct clock_event_device *evt)
{
u32 cr;
return 0;
}
-static int gemini_timer_shutdown(struct clock_event_device *evt)
+static int fttmr010_timer_shutdown(struct clock_event_device *evt)
{
u32 cr;
return 0;
}
-static int gemini_timer_set_periodic(struct clock_event_device *evt)
+static int fttmr010_timer_set_periodic(struct clock_event_device *evt)
{
u32 period = DIV_ROUND_CLOSEST(tick_rate, HZ);
u32 cr;
}
/* Use TIMER1 as clock event */
-static struct clock_event_device gemini_clockevent = {
+static struct clock_event_device fttmr010_clockevent = {
.name = "TIMER1",
/* Reasonably fast and accurate clock event */
.rating = 300,
.shift = 32,
.features = CLOCK_EVT_FEAT_PERIODIC |
CLOCK_EVT_FEAT_ONESHOT,
- .set_next_event = gemini_timer_set_next_event,
- .set_state_shutdown = gemini_timer_shutdown,
- .set_state_periodic = gemini_timer_set_periodic,
- .set_state_oneshot = gemini_timer_shutdown,
- .tick_resume = gemini_timer_shutdown,
+ .set_next_event = fttmr010_timer_set_next_event,
+ .set_state_shutdown = fttmr010_timer_shutdown,
+ .set_state_periodic = fttmr010_timer_set_periodic,
+ .set_state_oneshot = fttmr010_timer_shutdown,
+ .tick_resume = fttmr010_timer_shutdown,
};
/*
* IRQ handler for the timer
*/
-static irqreturn_t gemini_timer_interrupt(int irq, void *dev_id)
+static irqreturn_t fttmr010_timer_interrupt(int irq, void *dev_id)
{
- struct clock_event_device *evt = &gemini_clockevent;
+ struct clock_event_device *evt = &fttmr010_clockevent;
evt->event_handler(evt);
return IRQ_HANDLED;
}
-static struct irqaction gemini_timer_irq = {
- .name = "Gemini Timer Tick",
+static struct irqaction fttmr010_timer_irq = {
+ .name = "Faraday FTTMR010 Timer Tick",
.flags = IRQF_TIMER,
- .handler = gemini_timer_interrupt,
+ .handler = fttmr010_timer_interrupt,
};
static int __init gemini_timer_of_init(struct device_node *np)
writel(0, base + TIMER3_MATCH1);
writel(0, base + TIMER3_MATCH2);
clocksource_mmio_init(base + TIMER3_COUNT,
- "gemini_clocksource", tick_rate,
+ "fttmr010_clocksource", tick_rate,
300, 32, clocksource_mmio_readl_up);
- sched_clock_register(gemini_read_sched_clock, 32, tick_rate);
+ sched_clock_register(fttmr010_read_sched_clock, 32, tick_rate);
/*
* Setup clockevent timer (interrupt-driven.)
writel(0, base + TIMER1_LOAD);
writel(0, base + TIMER1_MATCH1);
writel(0, base + TIMER1_MATCH2);
- setup_irq(irq, &gemini_timer_irq);
- gemini_clockevent.cpumask = cpumask_of(0);
- clockevents_config_and_register(&gemini_clockevent, tick_rate,
+ setup_irq(irq, &fttmr010_timer_irq);
+ fttmr010_clockevent.cpumask = cpumask_of(0);
+ clockevents_config_and_register(&fttmr010_clockevent, tick_rate,
1, 0xffffffff);
return 0;
}
-CLOCKSOURCE_OF_DECLARE(nomadik_mtu, "cortina,gemini-timer",
- gemini_timer_of_init);
+CLOCKSOURCE_OF_DECLARE(gemini, "cortina,gemini-timer", gemini_timer_of_init);