// SPDX-License-Identifier: GPL-2.0 /* * Analog Devices ADF4371 SPI Wideband Synthesizer driver * * Copyright 2019 Analog Devices Inc. */ #include <linux/bitfield.h> #include <linux/clk.h> #include <linux/device.h> #include <linux/err.h> #include <linux/gcd.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/regmap.h> #include <linux/sysfs.h> #include <linux/spi/spi.h> #include <linux/iio/iio.h> /* Registers address macro */ #define ADF4371_REG(x) … /* ADF4371_REG0 */ #define ADF4371_ADDR_ASC_MSK … #define ADF4371_ADDR_ASC(x) … #define ADF4371_ADDR_ASC_R_MSK … #define ADF4371_ADDR_ASC_R(x) … #define ADF4371_RESET_CMD … /* ADF4371_REG17 */ #define ADF4371_FRAC2WORD_L_MSK … #define ADF4371_FRAC2WORD_L(x) … #define ADF4371_FRAC1WORD_MSK … #define ADF4371_FRAC1WORD(x) … /* ADF4371_REG18 */ #define ADF4371_FRAC2WORD_H_MSK … #define ADF4371_FRAC2WORD_H(x) … /* ADF4371_REG1A */ #define ADF4371_MOD2WORD_MSK … #define ADF4371_MOD2WORD(x) … /* ADF4371_REG24 */ #define ADF4371_RF_DIV_SEL_MSK … #define ADF4371_RF_DIV_SEL(x) … /* ADF4371_REG25 */ #define ADF4371_MUTE_LD_MSK … #define ADF4371_MUTE_LD(x) … /* ADF4371_REG32 */ #define ADF4371_TIMEOUT_MSK … #define ADF4371_TIMEOUT(x) … /* ADF4371_REG34 */ #define ADF4371_VCO_ALC_TOUT_MSK … #define ADF4371_VCO_ALC_TOUT(x) … /* Specifications */ #define ADF4371_MIN_VCO_FREQ … #define ADF4371_MAX_VCO_FREQ … #define ADF4371_MAX_OUT_RF8_FREQ … #define ADF4371_MIN_OUT_RF8_FREQ … #define ADF4371_MAX_OUT_RF16_FREQ … #define ADF4371_MIN_OUT_RF16_FREQ … #define ADF4371_MAX_OUT_RF32_FREQ … #define ADF4371_MIN_OUT_RF32_FREQ … #define ADF4371_MAX_FREQ_PFD … #define ADF4371_MAX_FREQ_REFIN … /* MOD1 is a 24-bit primary modulus with fixed value of 2^25 */ #define ADF4371_MODULUS1 … /* MOD2 is the programmable, 14-bit auxiliary fractional modulus */ #define ADF4371_MAX_MODULUS2 … #define ADF4371_CHECK_RANGE(freq, range) … enum { … }; enum { … }; enum adf4371_variant { … }; struct adf4371_pwrdown { … }; static const char * const adf4371_ch_names[] = …; static const struct adf4371_pwrdown adf4371_pwrdown_ch[4] = …; static const struct reg_sequence adf4371_reg_defaults[] = …; static const struct regmap_config adf4371_regmap_config = …; struct adf4371_chip_info { … }; struct adf4371_state { … }; static unsigned long long adf4371_pll_fract_n_get_rate(struct adf4371_state *st, u32 channel) { … } static void adf4371_pll_fract_n_compute(unsigned long long vco, unsigned long long pfd, unsigned int *integer, unsigned int *fract1, unsigned int *fract2, unsigned int *mod2) { … } static int adf4371_set_freq(struct adf4371_state *st, unsigned long long freq, unsigned int channel) { … } static ssize_t adf4371_read(struct iio_dev *indio_dev, uintptr_t private, const struct iio_chan_spec *chan, char *buf) { … } static ssize_t adf4371_write(struct iio_dev *indio_dev, uintptr_t private, const struct iio_chan_spec *chan, const char *buf, size_t len) { … } #define _ADF4371_EXT_INFO(_name, _ident) … static const struct iio_chan_spec_ext_info adf4371_ext_info[] = …; #define ADF4371_CHANNEL(index) … static const struct iio_chan_spec adf4371_chan[] = …; static const struct adf4371_chip_info adf4371_chip_info[] = …; static int adf4371_reg_access(struct iio_dev *indio_dev, unsigned int reg, unsigned int writeval, unsigned int *readval) { … } static const struct iio_info adf4371_info = …; static int adf4371_setup(struct adf4371_state *st) { … } static int adf4371_probe(struct spi_device *spi) { … } static const struct spi_device_id adf4371_id_table[] = …; MODULE_DEVICE_TABLE(spi, adf4371_id_table); static const struct of_device_id adf4371_of_match[] = …; MODULE_DEVICE_TABLE(of, adf4371_of_match); static struct spi_driver adf4371_driver = …; module_spi_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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