Lines Matching defs:frequency
57 * @max_freq: Maximum frequency for this device
58 * @fxtal: Factory xtal frequency
62 * @frequency: Current output frequency
74 u64 frequency;
125 * @fout: Factory frequency output
149 data->frequency = fout;
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,
197 n1 = div_u64(div_u64(FDCO_MIN, hs_div), frequency);
201 fdco = (u64)frequency * (u64)hs_div * (u64)n1;
231 return data->frequency;
251 if (div64_u64(abs(rate - data->frequency) * 10000LL,
252 data->frequency) < 35) {
254 div64_u64(data->frequency, 2), data->frequency);
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)
282 err = si570_calc_divs(frequency, data, &data->rfreq, &data->n1,
299 /* Applying a new frequency can take up to 10ms */
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)
321 data->rfreq = div64_u64((data->rfreq * frequency) +
322 div_u64(data->frequency, 2), data->frequency);
327 /* Applying a new frequency (small change) can take up to 100us */
342 "requested frequency %lu Hz is out of range\n", rate);
346 if (div64_u64(abs(rate - data->frequency) * 10000LL,
347 data->frequency) < 35)
355 data->frequency = rate;
467 /* Read the requested initial output frequency from device tree */
468 if (!of_property_read_u32(client->dev.of_node, "clock-frequency",
478 dev_info(&client->dev, "registered, current frequency %llu Hz\n",
479 data->frequency);