Cross Reference: /drivers/clk/clk-si570.c

Lines Matching refs:frequency
65  * @max_freq:	Maximum frequency for this device
66  * @fxtal:	Factory xtal frequency
70  * @frequency:	Current output frequency
82 	u64 frequency;
133  * @fout:	Factory frequency output
157 	data->frequency = fout;
184  * @frequency:	Target frequency
192  * (@out_rfreq) for a given target @frequency.
194 static int si570_calc_divs(unsigned long frequency, struct clk_si570 *data,
205 		n1 = div_u64(div_u64(FDCO_MIN, hs_div), frequency);
209 			fdco = (u64)frequency * (u64)hs_div * (u64)n1;
239 		return data->frequency;
259 	if (div64_u64(abs(rate - data->frequency) * 10000LL,
260 				data->frequency) < 35) {
262 				div64_u64(data->frequency, 2), data->frequency);
279  * si570_set_frequency() - Adjust output frequency
281  * @frequency:	Target frequency
284  * Update output frequency for big frequency changes (> 3,500 ppm).
286 static int si570_set_frequency(struct clk_si570 *data, unsigned long frequency)
290 	err = si570_calc_divs(frequency, data, &data->rfreq, &data->n1,
307 	/* Applying a new frequency can take up to 10ms */
314  * si570_set_frequency_small() - Adjust output frequency
316  * @frequency:	Target frequency
319  * Update output frequency for small frequency changes (< 3,500 ppm).
322 				     unsigned long frequency)
329 	data->rfreq = div64_u64((data->rfreq * frequency) +
330 			div_u64(data->frequency, 2), data->frequency);
335 	/* Applying a new frequency (small change) can take up to 100us */
350 			"requested frequency %lu Hz is out of range\n", rate);
354 	if (div64_u64(abs(rate - data->frequency) * 10000LL,
355 				data->frequency) < 35)
363 	data->frequency = rate;
476 	/* Read the requested initial output frequency from device tree */
477 	if (!of_property_read_u32(client->dev.of_node, "clock-frequency",
487 	dev_info(&client->dev, "registered, current frequency %llu Hz\n",
488 			data->frequency);