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
153 data->frequency = fout;
180 * @frequency: Target frequency
188 * (@out_rfreq) for a given target @frequency.
190 static int si570_calc_divs(unsigned long frequency, struct clk_si570 *data,
201 n1 = div_u64(div_u64(FDCO_MIN, hs_div), frequency);
205 fdco = (u64)frequency * (u64)hs_div * (u64)n1;
235 return data->frequency;
255 if (div64_u64(abs(rate - data->frequency) * 10000LL,
256 data->frequency) < 35) {
258 div64_u64(data->frequency, 2), data->frequency);
275 * si570_set_frequency() - Adjust output frequency
277 * @frequency: Target frequency
280 * Update output frequency for big frequency changes (> 3,500 ppm).
282 static int si570_set_frequency(struct clk_si570 *data, unsigned long frequency)
286 err = si570_calc_divs(frequency, data, &data->rfreq, &data->n1,
303 /* Applying a new frequency can take up to 10ms */
310 * si570_set_frequency_small() - Adjust output frequency
312 * @frequency: Target frequency
315 * Update output frequency for small frequency changes (< 3,500 ppm).
318 unsigned long frequency)
325 data->rfreq = div64_u64((data->rfreq * frequency) +
326 div_u64(data->frequency, 2), data->frequency);
331 /* Applying a new frequency (small change) can take up to 100us */
346 "requested frequency %lu Hz is out of range\n", rate);
350 if (div64_u64(abs(rate - data->frequency) * 10000LL,
351 data->frequency) < 35)
359 data->frequency = rate;
484 /* Read the requested initial output frequency from device tree */
485 if (!of_property_read_u32(client->dev.of_node, "clock-frequency",
493 dev_info(&client->dev, "registered, current frequency %llu Hz\n",
494 data->frequency);