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/* SPDX-License-Identifier: GPL-2.0-only */ /* * ADF4350/ADF4351 SPI PLL driver * * Copyright 2012-2013 Analog Devices Inc. */ #ifndef IIO_PLL_ADF4350_H_ #define IIO_PLL_ADF4350_H_ /* Registers */ #define ADF4350_REG0 0 #define ADF4350_REG1 1 #define ADF4350_REG2 2 #define ADF4350_REG3 3 #define ADF4350_REG4 4 #define ADF4350_REG5 5 /* REG0 Bit Definitions */ #define ADF4350_REG0_FRACT(x) (((x) & 0xFFF) << 3) #define ADF4350_REG0_INT(x) (((x) & 0xFFFF) << 15) /* REG1 Bit Definitions */ #define ADF4350_REG1_MOD(x) (((x) & 0xFFF) << 3) #define ADF4350_REG1_PHASE(x) (((x) & 0xFFF) << 15) #define ADF4350_REG1_PRESCALER (1 << 27) /* REG2 Bit Definitions */ #define ADF4350_REG2_COUNTER_RESET_EN (1 << 3) #define ADF4350_REG2_CP_THREESTATE_EN (1 << 4) #define ADF4350_REG2_POWER_DOWN_EN (1 << 5) #define ADF4350_REG2_PD_POLARITY_POS (1 << 6) #define ADF4350_REG2_LDP_6ns (1 << 7) #define ADF4350_REG2_LDP_10ns (0 << 7) #define ADF4350_REG2_LDF_FRACT_N (0 << 8) #define ADF4350_REG2_LDF_INT_N (1 << 8) #define ADF4350_REG2_CHARGE_PUMP_CURR_uA(x) (((((x)-312) / 312) & 0xF) << 9) #define ADF4350_REG2_DOUBLE_BUFF_EN (1 << 13) #define ADF4350_REG2_10BIT_R_CNT(x) ((x) << 14) #define ADF4350_REG2_RDIV2_EN (1 << 24) #define ADF4350_REG2_RMULT2_EN (1 << 25) #define ADF4350_REG2_MUXOUT(x) ((x) << 26) #define ADF4350_REG2_NOISE_MODE(x) (((unsigned)(x)) << 29) #define ADF4350_MUXOUT_THREESTATE 0 #define ADF4350_MUXOUT_DVDD 1 #define ADF4350_MUXOUT_GND 2 #define ADF4350_MUXOUT_R_DIV_OUT 3 #define ADF4350_MUXOUT_N_DIV_OUT 4 #define ADF4350_MUXOUT_ANALOG_LOCK_DETECT 5 #define ADF4350_MUXOUT_DIGITAL_LOCK_DETECT 6 /* REG3 Bit Definitions */ #define ADF4350_REG3_12BIT_CLKDIV(x) ((x) << 3) #define ADF4350_REG3_12BIT_CLKDIV_MODE(x) ((x) << 16) #define ADF4350_REG3_12BIT_CSR_EN (1 << 18) #define ADF4351_REG3_CHARGE_CANCELLATION_EN (1 << 21) #define ADF4351_REG3_ANTI_BACKLASH_3ns_EN (1 << 22) #define ADF4351_REG3_BAND_SEL_CLOCK_MODE_HIGH (1 << 23) /* REG4 Bit Definitions */ #define ADF4350_REG4_OUTPUT_PWR(x) ((x) << 3) #define ADF4350_REG4_RF_OUT_EN (1 << 5) #define ADF4350_REG4_AUX_OUTPUT_PWR(x) ((x) << 6) #define ADF4350_REG4_AUX_OUTPUT_EN (1 << 8) #define ADF4350_REG4_AUX_OUTPUT_FUND (1 << 9) #define ADF4350_REG4_AUX_OUTPUT_DIV (0 << 9) #define ADF4350_REG4_MUTE_TILL_LOCK_EN (1 << 10) #define ADF4350_REG4_VCO_PWRDOWN_EN (1 << 11) #define ADF4350_REG4_8BIT_BAND_SEL_CLKDIV(x) ((x) << 12) #define ADF4350_REG4_RF_DIV_SEL(x) ((x) << 20) #define ADF4350_REG4_FEEDBACK_DIVIDED (0 << 23) #define ADF4350_REG4_FEEDBACK_FUND (1 << 23) /* REG5 Bit Definitions */ #define ADF4350_REG5_LD_PIN_MODE_LOW (0 << 22) #define ADF4350_REG5_LD_PIN_MODE_DIGITAL (1 << 22) #define ADF4350_REG5_LD_PIN_MODE_HIGH (3 << 22) /* Specifications */ #define ADF4350_MAX_OUT_FREQ 4400000000ULL /* Hz */ #define ADF4350_MIN_OUT_FREQ 137500000 /* Hz */ #define ADF4351_MIN_OUT_FREQ 34375000 /* Hz */ #define ADF4350_MIN_VCO_FREQ 2200000000ULL /* Hz */ #define ADF4350_MAX_FREQ_45_PRESC 3000000000ULL /* Hz */ #define ADF4350_MAX_FREQ_PFD 32000000 /* Hz */ #define ADF4350_MAX_BANDSEL_CLK 125000 /* Hz */ #define ADF4350_MAX_FREQ_REFIN 250000000 /* Hz */ #define ADF4350_MAX_MODULUS 4095 #define ADF4350_MAX_R_CNT 1023 /** * struct adf4350_platform_data - platform specific information * @name: Optional device name. * @clkin: REFin frequency in Hz. * @channel_spacing: Channel spacing in Hz (influences MODULUS). * @power_up_frequency: Optional, If set in Hz the PLL tunes to the desired * frequency on probe. * @ref_div_factor: Optional, if set the driver skips dynamic calculation * and uses this default value instead. * @ref_doubler_en: Enables reference doubler. * @ref_div2_en: Enables reference divider. * @r2_user_settings: User defined settings for ADF4350/1 REGISTER_2. * @r3_user_settings: User defined settings for ADF4350/1 REGISTER_3. * @r4_user_settings: User defined settings for ADF4350/1 REGISTER_4. */ struct adf4350_platform_data { char name[32]; unsigned long clkin; unsigned long channel_spacing; unsigned long long power_up_frequency; unsigned short ref_div_factor; /* 10-bit R counter */ bool ref_doubler_en; bool ref_div2_en; unsigned r2_user_settings; unsigned r3_user_settings; unsigned r4_user_settings; }; #endif /* IIO_PLL_ADF4350_H_ */
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