Lines Matching +full:muxout +full:- +full:select
1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright 2012-2013 Analog Devices Inc.
77 for (i = ADF4350_REG5; i >= ADF4350_REG0; i--) { in adf4350_sync_config()
78 if ((st->regs_hw[i] != st->regs[i]) || in adf4350_sync_config()
87 st->val = cpu_to_be32(st->regs[i] | i); in adf4350_sync_config()
88 ret = spi_write(st->spi, &st->val, 4); in adf4350_sync_config()
91 st->regs_hw[i] = st->regs[i]; in adf4350_sync_config()
92 dev_dbg(&st->spi->dev, "[%d] 0x%X\n", in adf4350_sync_config()
93 i, (u32)st->regs[i] | i); in adf4350_sync_config()
107 return -EINVAL; in adf4350_reg_access()
109 mutex_lock(&st->lock); in adf4350_reg_access()
111 st->regs[reg] = writeval & ~(BIT(0) | BIT(1) | BIT(2)); in adf4350_reg_access()
114 *readval = st->regs_hw[reg]; in adf4350_reg_access()
117 mutex_unlock(&st->lock); in adf4350_reg_access()
124 struct adf4350_platform_data *pdata = st->pdata; in adf4350_tune_r_cnt()
128 st->fpfd = (st->clkin * (pdata->ref_doubler_en ? 2 : 1)) / in adf4350_tune_r_cnt()
129 (r_cnt * (pdata->ref_div2_en ? 2 : 1)); in adf4350_tune_r_cnt()
130 } while (st->fpfd > ADF4350_MAX_FREQ_PFD); in adf4350_tune_r_cnt()
137 struct adf4350_platform_data *pdata = st->pdata; in adf4350_set_freq()
143 if (freq > ADF4350_MAX_OUT_FREQ || freq < st->min_out_freq) in adf4350_set_freq()
144 return -EINVAL; in adf4350_set_freq()
154 st->r4_rf_div_sel = 0; in adf4350_set_freq()
158 st->r4_rf_div_sel++; in adf4350_set_freq()
165 if (pdata->ref_div_factor) in adf4350_set_freq()
166 r_cnt = pdata->ref_div_factor - 1; in adf4350_set_freq()
168 chspc = st->chspc; in adf4350_set_freq()
174 st->r1_mod = st->fpfd / chspc; in adf4350_set_freq()
180 } while ((st->r1_mod > ADF4350_MAX_MODULUS) && r_cnt); in adf4350_set_freq()
183 tmp = freq * (u64)st->r1_mod + (st->fpfd >> 1); in adf4350_set_freq()
184 do_div(tmp, st->fpfd); /* Div round closest (n + d/2)/d */ in adf4350_set_freq()
185 st->r0_fract = do_div(tmp, st->r1_mod); in adf4350_set_freq()
186 st->r0_int = tmp; in adf4350_set_freq()
187 } while (mdiv > st->r0_int); in adf4350_set_freq()
189 band_sel_div = DIV_ROUND_UP(st->fpfd, ADF4350_MAX_BANDSEL_CLK); in adf4350_set_freq()
191 if (st->r0_fract && st->r1_mod) { in adf4350_set_freq()
192 div_gcd = gcd(st->r1_mod, st->r0_fract); in adf4350_set_freq()
193 st->r1_mod /= div_gcd; in adf4350_set_freq()
194 st->r0_fract /= div_gcd; in adf4350_set_freq()
196 st->r0_fract = 0; in adf4350_set_freq()
197 st->r1_mod = 1; in adf4350_set_freq()
200 dev_dbg(&st->spi->dev, "VCO: %llu Hz, PFD %lu Hz\n" in adf4350_set_freq()
203 freq, st->fpfd, r_cnt, st->r0_int, st->r0_fract, st->r1_mod, in adf4350_set_freq()
204 1 << st->r4_rf_div_sel, prescaler ? "8/9" : "4/5", in adf4350_set_freq()
207 st->regs[ADF4350_REG0] = ADF4350_REG0_INT(st->r0_int) | in adf4350_set_freq()
208 ADF4350_REG0_FRACT(st->r0_fract); in adf4350_set_freq()
210 st->regs[ADF4350_REG1] = ADF4350_REG1_PHASE(1) | in adf4350_set_freq()
211 ADF4350_REG1_MOD(st->r1_mod) | in adf4350_set_freq()
214 st->regs[ADF4350_REG2] = in adf4350_set_freq()
217 (pdata->ref_doubler_en ? ADF4350_REG2_RMULT2_EN : 0) | in adf4350_set_freq()
218 (pdata->ref_div2_en ? ADF4350_REG2_RDIV2_EN : 0) | in adf4350_set_freq()
219 (pdata->r2_user_settings & (ADF4350_REG2_PD_POLARITY_POS | in adf4350_set_freq()
224 st->regs[ADF4350_REG3] = pdata->r3_user_settings & in adf4350_set_freq()
232 st->regs[ADF4350_REG4] = in adf4350_set_freq()
234 ADF4350_REG4_RF_DIV_SEL(st->r4_rf_div_sel) | in adf4350_set_freq()
237 (pdata->r4_user_settings & in adf4350_set_freq()
244 st->regs[ADF4350_REG5] = ADF4350_REG5_LD_PIN_MODE_DIGITAL; in adf4350_set_freq()
245 st->freq_req = freq; in adf4350_set_freq()
264 mutex_lock(&st->lock); in adf4350_write()
271 ret = -EINVAL; in adf4350_write()
275 if (st->clk) { in adf4350_write()
276 tmp = clk_round_rate(st->clk, readin); in adf4350_write()
278 ret = -EINVAL; in adf4350_write()
281 ret = clk_set_rate(st->clk, tmp); in adf4350_write()
285 st->clkin = readin; in adf4350_write()
286 ret = adf4350_set_freq(st, st->freq_req); in adf4350_write()
290 ret = -EINVAL; in adf4350_write()
292 st->chspc = readin; in adf4350_write()
296 st->regs[ADF4350_REG2] |= ADF4350_REG2_POWER_DOWN_EN; in adf4350_write()
298 st->regs[ADF4350_REG2] &= ~ADF4350_REG2_POWER_DOWN_EN; in adf4350_write()
303 ret = -EINVAL; in adf4350_write()
305 mutex_unlock(&st->lock); in adf4350_write()
319 mutex_lock(&st->lock); in adf4350_read()
322 val = (u64)((st->r0_int * st->r1_mod) + st->r0_fract) * in adf4350_read()
323 (u64)st->fpfd; in adf4350_read()
324 do_div(val, st->r1_mod * (1 << st->r4_rf_div_sel)); in adf4350_read()
326 if (st->lock_detect_gpiod) in adf4350_read()
327 if (!gpiod_get_value(st->lock_detect_gpiod)) { in adf4350_read()
328 dev_dbg(&st->spi->dev, "PLL un-locked\n"); in adf4350_read()
329 ret = -EBUSY; in adf4350_read()
333 if (st->clk) in adf4350_read()
334 st->clkin = clk_get_rate(st->clk); in adf4350_read()
336 val = st->clkin; in adf4350_read()
339 val = st->chspc; in adf4350_read()
342 val = !!(st->regs[ADF4350_REG2] & ADF4350_REG2_POWER_DOWN_EN); in adf4350_read()
345 ret = -EINVAL; in adf4350_read()
348 mutex_unlock(&st->lock); in adf4350_read()
393 snprintf(pdata->name, sizeof(pdata->name), "%pfw", dev_fwnode(dev)); in adf4350_parse_dt()
396 device_property_read_u32(dev, "adi,channel-spacing", &tmp); in adf4350_parse_dt()
397 pdata->channel_spacing = tmp; in adf4350_parse_dt()
400 device_property_read_u32(dev, "adi,power-up-frequency", &tmp); in adf4350_parse_dt()
401 pdata->power_up_frequency = tmp; in adf4350_parse_dt()
404 device_property_read_u32(dev, "adi,reference-div-factor", &tmp); in adf4350_parse_dt()
405 pdata->ref_div_factor = tmp; in adf4350_parse_dt()
407 pdata->ref_doubler_en = device_property_read_bool(dev, "adi,reference-doubler-enable"); in adf4350_parse_dt()
408 pdata->ref_div2_en = device_property_read_bool(dev, "adi,reference-div2-enable"); in adf4350_parse_dt()
411 pdata->r2_user_settings = 0; in adf4350_parse_dt()
412 if (device_property_read_bool(dev, "adi,phase-detector-polarity-positive-enable")) in adf4350_parse_dt()
413 pdata->r2_user_settings |= ADF4350_REG2_PD_POLARITY_POS; in adf4350_parse_dt()
414 if (device_property_read_bool(dev, "adi,lock-detect-precision-6ns-enable")) in adf4350_parse_dt()
415 pdata->r2_user_settings |= ADF4350_REG2_LDP_6ns; in adf4350_parse_dt()
416 if (device_property_read_bool(dev, "adi,lock-detect-function-integer-n-enable")) in adf4350_parse_dt()
417 pdata->r2_user_settings |= ADF4350_REG2_LDF_INT_N; in adf4350_parse_dt()
420 device_property_read_u32(dev, "adi,charge-pump-current", &tmp); in adf4350_parse_dt()
421 pdata->r2_user_settings |= ADF4350_REG2_CHARGE_PUMP_CURR_uA(tmp); in adf4350_parse_dt()
424 device_property_read_u32(dev, "adi,muxout-select", &tmp); in adf4350_parse_dt()
425 pdata->r2_user_settings |= ADF4350_REG2_MUXOUT(tmp); in adf4350_parse_dt()
427 if (device_property_read_bool(dev, "adi,low-spur-mode-enable")) in adf4350_parse_dt()
428 pdata->r2_user_settings |= ADF4350_REG2_NOISE_MODE(0x3); in adf4350_parse_dt()
432 pdata->r3_user_settings = 0; in adf4350_parse_dt()
433 if (device_property_read_bool(dev, "adi,cycle-slip-reduction-enable")) in adf4350_parse_dt()
434 pdata->r3_user_settings |= ADF4350_REG3_12BIT_CSR_EN; in adf4350_parse_dt()
435 if (device_property_read_bool(dev, "adi,charge-cancellation-enable")) in adf4350_parse_dt()
436 pdata->r3_user_settings |= ADF4351_REG3_CHARGE_CANCELLATION_EN; in adf4350_parse_dt()
437 if (device_property_read_bool(dev, "adi,anti-backlash-3ns-enable")) in adf4350_parse_dt()
438 pdata->r3_user_settings |= ADF4351_REG3_ANTI_BACKLASH_3ns_EN; in adf4350_parse_dt()
439 if (device_property_read_bool(dev, "adi,band-select-clock-mode-high-enable")) in adf4350_parse_dt()
440 pdata->r3_user_settings |= ADF4351_REG3_BAND_SEL_CLOCK_MODE_HIGH; in adf4350_parse_dt()
443 device_property_read_u32(dev, "adi,12bit-clk-divider", &tmp); in adf4350_parse_dt()
444 pdata->r3_user_settings |= ADF4350_REG3_12BIT_CLKDIV(tmp); in adf4350_parse_dt()
447 device_property_read_u32(dev, "adi,clk-divider-mode", &tmp); in adf4350_parse_dt()
448 pdata->r3_user_settings |= ADF4350_REG3_12BIT_CLKDIV_MODE(tmp); in adf4350_parse_dt()
452 pdata->r4_user_settings = 0; in adf4350_parse_dt()
453 if (device_property_read_bool(dev, "adi,aux-output-enable")) in adf4350_parse_dt()
454 pdata->r4_user_settings |= ADF4350_REG4_AUX_OUTPUT_EN; in adf4350_parse_dt()
455 if (device_property_read_bool(dev, "adi,aux-output-fundamental-enable")) in adf4350_parse_dt()
456 pdata->r4_user_settings |= ADF4350_REG4_AUX_OUTPUT_FUND; in adf4350_parse_dt()
457 if (device_property_read_bool(dev, "adi,mute-till-lock-enable")) in adf4350_parse_dt()
458 pdata->r4_user_settings |= ADF4350_REG4_MUTE_TILL_LOCK_EN; in adf4350_parse_dt()
461 device_property_read_u32(dev, "adi,output-power", &tmp); in adf4350_parse_dt()
462 pdata->r4_user_settings |= ADF4350_REG4_OUTPUT_PWR(tmp); in adf4350_parse_dt()
465 device_property_read_u32(dev, "adi,aux-output-power", &tmp); in adf4350_parse_dt()
466 pdata->r4_user_settings |= ADF4350_REG4_AUX_OUTPUT_PWR(tmp); in adf4350_parse_dt()
476 st->regs[ADF4350_REG2] |= ADF4350_REG2_POWER_DOWN_EN; in adf4350_power_down()
488 if (dev_fwnode(&spi->dev)) { in adf4350_probe()
489 pdata = adf4350_parse_dt(&spi->dev); in adf4350_probe()
491 return -EINVAL; in adf4350_probe()
493 pdata = spi->dev.platform_data; in adf4350_probe()
497 dev_warn(&spi->dev, "no platform data? using default\n"); in adf4350_probe()
501 if (!pdata->clkin) { in adf4350_probe()
502 clk = devm_clk_get_enabled(&spi->dev, "clkin"); in adf4350_probe()
507 indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st)); in adf4350_probe()
509 return -ENOMEM; in adf4350_probe()
513 ret = devm_regulator_get_enable(&spi->dev, "vcc"); in adf4350_probe()
517 st->spi = spi; in adf4350_probe()
518 st->pdata = pdata; in adf4350_probe()
520 indio_dev->name = (pdata->name[0] != 0) ? pdata->name : in adf4350_probe()
521 spi_get_device_id(spi)->name; in adf4350_probe()
523 indio_dev->info = &adf4350_info; in adf4350_probe()
524 indio_dev->modes = INDIO_DIRECT_MODE; in adf4350_probe()
525 indio_dev->channels = &adf4350_chan; in adf4350_probe()
526 indio_dev->num_channels = 1; in adf4350_probe()
528 mutex_init(&st->lock); in adf4350_probe()
530 st->chspc = pdata->channel_spacing; in adf4350_probe()
532 st->clk = clk; in adf4350_probe()
533 st->clkin = clk_get_rate(clk); in adf4350_probe()
535 st->clkin = pdata->clkin; in adf4350_probe()
538 st->min_out_freq = spi_get_device_id(spi)->driver_data == 4351 ? in adf4350_probe()
541 memset(st->regs_hw, 0xFF, sizeof(st->regs_hw)); in adf4350_probe()
543 st->lock_detect_gpiod = devm_gpiod_get_optional(&spi->dev, NULL, in adf4350_probe()
545 if (IS_ERR(st->lock_detect_gpiod)) in adf4350_probe()
546 return PTR_ERR(st->lock_detect_gpiod); in adf4350_probe()
548 if (pdata->power_up_frequency) { in adf4350_probe()
549 ret = adf4350_set_freq(st, pdata->power_up_frequency); in adf4350_probe()
554 ret = devm_add_action_or_reset(&spi->dev, adf4350_power_down, indio_dev); in adf4350_probe()
556 return dev_err_probe(&spi->dev, ret, in adf4350_probe()
559 return devm_iio_device_register(&spi->dev, indio_dev); in adf4350_probe()