57  * @max_freq:	Maximum frequency for this device
58  * @fxtal:	Factory xtal frequency
62  * @frequency:	Current output frequency
74 	u64 frequency;  member
125  * @fout:	Factory frequency output
149 	data->frequency = fout;  in si570_get_defaults()
176  * @frequency:	Target frequency
184  * (@out_rfreq) for a given target @frequency.
186 static int si570_calc_divs(unsigned long frequency, struct clk_si570 *data,  in si570_calc_divs()  argument
197 		n1 = div_u64(div_u64(FDCO_MIN, hs_div), frequency);  in si570_calc_divs()
201 			fdco = (u64)frequency * (u64)hs_div * (u64)n1;  in si570_calc_divs()
231 		return data->frequency;  in si570_recalc_rate()
251 	if (div64_u64(abs(rate - data->frequency) * 10000LL,  in si570_round_rate()
252 				data->frequency) < 35) {  in si570_round_rate()
254 				div64_u64(data->frequency, 2), data->frequency);  in si570_round_rate()
271  * si570_set_frequency() - Adjust output frequency
273  * @frequency:	Target frequency
276  * Update output frequency for big frequency changes (> 3,500 ppm).
278 static int si570_set_frequency(struct clk_si570 *data, unsigned long frequency)  in si570_set_frequency()  argument
282 	err = si570_calc_divs(frequency, data, &data->rfreq, &data->n1,  in si570_set_frequency()
299 	/* Applying a new frequency can take up to 10ms */  in si570_set_frequency()
306  * si570_set_frequency_small() - Adjust output frequency
308  * @frequency:	Target frequency
311  * Update output frequency for small frequency changes (< 3,500 ppm).
314 				     unsigned long frequency)  in si570_set_frequency_small()  argument
321 	data->rfreq = div64_u64((data->rfreq * frequency) +  in si570_set_frequency_small()
322 			div_u64(data->frequency, 2), data->frequency);  in si570_set_frequency_small()
327 	/* Applying a new frequency (small change) can take up to 100us */  in si570_set_frequency_small()
342 			"requested frequency %lu Hz is out of range\n", rate);  in si570_set_rate()
346 	if (div64_u64(abs(rate - data->frequency) * 10000LL,  in si570_set_rate()
347 				data->frequency) < 35)  in si570_set_rate()
355 	data->frequency = rate;  in si570_set_rate()
467 	/* Read the requested initial output frequency from device tree */  in si570_probe()
468 	if (!of_property_read_u32(client->dev.of_node, "clock-frequency",  in si570_probe()
478 	dev_info(&client->dev, "registered, current frequency %llu Hz\n",  in si570_probe()
479 			data->frequency);  in si570_probe()