Lines Matching +full:max +full:- +full:clk +full:- +full:rate +full:- +full:hz

4  * Copyright (C) 2010 Linus Walleij for ST-Ericsson
19 #include <linux/clk.h>
36 /* per-timer registers take 0..3 as argument */
44 #define MTU_CRn_PERIODIC	0x40	/* if 0 = free-running */
69 static u32 nmdk_cycle;		/* write-once */
83 	return -readl(mtu_base + MTU_VAL(0));  in nomadik_read_sched_clock()
92 /* Clockevent device: use one-shot mode */
108 		/* Timer: configure load and background-load, and fire it up */  in nmdk_clkevt_reset()
150 	/* ClockSource: configure load and background-load, and fire it up */  in nmdk_clksrc_reset()
185 	evdev->event_handler(evdev);  in nmdk_timer_interrupt()
197 				   struct clk *pclk, struct clk *clk)  in nmdk_timer_init()  argument
199 	unsigned long rate;  in nmdk_timer_init()  local
205 	BUG_ON(clk_prepare_enable(clk));  in nmdk_timer_init()
208 	 * Tick rate is 2.4MHz for Nomadik and 2.4Mhz, 100MHz or 133 MHz  in nmdk_timer_init()
210 	 * Use a divide-by-16 counter if the tick rate is more than 32MHz.  in nmdk_timer_init()
212 	 * to wake-up at a max 127s a head in time. Dividing a 2.4 MHz timer  in nmdk_timer_init()
215 	rate = clk_get_rate(clk);  in nmdk_timer_init()
216 	if (rate > 32000000) {  in nmdk_timer_init()
217 		rate /= 16;  in nmdk_timer_init()
224 	nmdk_cycle = DIV_ROUND_CLOSEST(rate, HZ);  in nmdk_timer_init()
231 				    rate, 200, 32, clocksource_mmio_readl_down);  in nmdk_timer_init()
238 	sched_clock_register(nomadik_read_sched_clock, 32, rate);  in nmdk_timer_init()
245 	clockevents_config_and_register(&nmdk_clkevt, rate, 2, 0xffffffffU);  in nmdk_timer_init()
248 	mtu_delay_timer.freq = rate;  in nmdk_timer_init()
256 	struct clk *pclk;  in nmdk_timer_of_init()
257 	struct clk *clk;  in nmdk_timer_of_init()  local
264 		return -ENXIO;  in nmdk_timer_of_init()
273 	clk = of_clk_get_by_name(node, "timclk");  in nmdk_timer_of_init()
274 	if (IS_ERR(clk)) {  in nmdk_timer_of_init()
276 		return PTR_ERR(clk);  in nmdk_timer_of_init()
282 		return -EINVAL;  in nmdk_timer_of_init()
285 	return nmdk_timer_init(base, irq, pclk, clk);  in nmdk_timer_of_init()
287 TIMER_OF_DECLARE(nomadik_mtu, "st,nomadik-mtu",