1 /* 2 * clk-si5351.h: Silicon Laboratories Si5351A/B/C I2C Clock Generator 3 * 4 * Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> 5 * Rabeeh Khoury <rabeeh@solid-run.com> 6 * 7 * This program is free software; you can redistribute it and/or modify it 8 * under the terms of the GNU General Public License as published by the 9 * Free Software Foundation; either version 2 of the License, or (at your 10 * option) any later version. 11 */ 12 13 #ifndef _CLK_SI5351_H_ 14 #define _CLK_SI5351_H_ 15 16 #define SI5351_BUS_BASE_ADDR 0x60 17 18 #define SI5351_PLL_VCO_MIN 600000000 19 #define SI5351_PLL_VCO_MAX 900000000 20 #define SI5351_MULTISYNTH_MIN_FREQ 1000000 21 #define SI5351_MULTISYNTH_DIVBY4_FREQ 150000000 22 #define SI5351_MULTISYNTH_MAX_FREQ 160000000 23 #define SI5351_MULTISYNTH67_MAX_FREQ SI5351_MULTISYNTH_DIVBY4_FREQ 24 #define SI5351_CLKOUT_MIN_FREQ 8000 25 #define SI5351_CLKOUT_MAX_FREQ SI5351_MULTISYNTH_MAX_FREQ 26 #define SI5351_CLKOUT67_MAX_FREQ SI5351_MULTISYNTH67_MAX_FREQ 27 28 #define SI5351_PLL_A_MIN 15 29 #define SI5351_PLL_A_MAX 90 30 #define SI5351_PLL_B_MAX (SI5351_PLL_C_MAX-1) 31 #define SI5351_PLL_C_MAX 1048575 32 #define SI5351_MULTISYNTH_A_MIN 6 33 #define SI5351_MULTISYNTH_A_MAX 1800 34 #define SI5351_MULTISYNTH67_A_MAX 254 35 #define SI5351_MULTISYNTH_B_MAX (SI5351_MULTISYNTH_C_MAX-1) 36 #define SI5351_MULTISYNTH_C_MAX 1048575 37 #define SI5351_MULTISYNTH_P1_MAX ((1<<18)-1) 38 #define SI5351_MULTISYNTH_P2_MAX ((1<<20)-1) 39 #define SI5351_MULTISYNTH_P3_MAX ((1<<20)-1) 40 41 #define SI5351_DEVICE_STATUS 0 42 #define SI5351_INTERRUPT_STATUS 1 43 #define SI5351_INTERRUPT_MASK 2 44 #define SI5351_STATUS_SYS_INIT (1<<7) 45 #define SI5351_STATUS_LOL_B (1<<6) 46 #define SI5351_STATUS_LOL_A (1<<5) 47 #define SI5351_STATUS_LOS (1<<4) 48 #define SI5351_OUTPUT_ENABLE_CTRL 3 49 #define SI5351_OEB_PIN_ENABLE_CTRL 9 50 #define SI5351_PLL_INPUT_SOURCE 15 51 #define SI5351_CLKIN_DIV_MASK (3<<6) 52 #define SI5351_CLKIN_DIV_1 (0<<6) 53 #define SI5351_CLKIN_DIV_2 (1<<6) 54 #define SI5351_CLKIN_DIV_4 (2<<6) 55 #define SI5351_CLKIN_DIV_8 (3<<6) 56 #define SI5351_PLLB_SOURCE (1<<3) 57 #define SI5351_PLLA_SOURCE (1<<2) 58 59 #define SI5351_CLK0_CTRL 16 60 #define SI5351_CLK1_CTRL 17 61 #define SI5351_CLK2_CTRL 18 62 #define SI5351_CLK3_CTRL 19 63 #define SI5351_CLK4_CTRL 20 64 #define SI5351_CLK5_CTRL 21 65 #define SI5351_CLK6_CTRL 22 66 #define SI5351_CLK7_CTRL 23 67 #define SI5351_CLK_POWERDOWN (1<<7) 68 #define SI5351_CLK_INTEGER_MODE (1<<6) 69 #define SI5351_CLK_PLL_SELECT (1<<5) 70 #define SI5351_CLK_INVERT (1<<4) 71 #define SI5351_CLK_INPUT_MASK (3<<2) 72 #define SI5351_CLK_INPUT_XTAL (0<<2) 73 #define SI5351_CLK_INPUT_CLKIN (1<<2) 74 #define SI5351_CLK_INPUT_MULTISYNTH_0_4 (2<<2) 75 #define SI5351_CLK_INPUT_MULTISYNTH_N (3<<2) 76 #define SI5351_CLK_DRIVE_STRENGTH_MASK (3<<0) 77 #define SI5351_CLK_DRIVE_STRENGTH_2MA (0<<0) 78 #define SI5351_CLK_DRIVE_STRENGTH_4MA (1<<0) 79 #define SI5351_CLK_DRIVE_STRENGTH_6MA (2<<0) 80 #define SI5351_CLK_DRIVE_STRENGTH_8MA (3<<0) 81 82 #define SI5351_CLK3_0_DISABLE_STATE 24 83 #define SI5351_CLK7_4_DISABLE_STATE 25 84 #define SI5351_CLK_DISABLE_STATE_MASK 3 85 #define SI5351_CLK_DISABLE_STATE_LOW 0 86 #define SI5351_CLK_DISABLE_STATE_HIGH 1 87 #define SI5351_CLK_DISABLE_STATE_FLOAT 2 88 #define SI5351_CLK_DISABLE_STATE_NEVER 3 89 90 #define SI5351_PARAMETERS_LENGTH 8 91 #define SI5351_PLLA_PARAMETERS 26 92 #define SI5351_PLLB_PARAMETERS 34 93 #define SI5351_CLK0_PARAMETERS 42 94 #define SI5351_CLK1_PARAMETERS 50 95 #define SI5351_CLK2_PARAMETERS 58 96 #define SI5351_CLK3_PARAMETERS 66 97 #define SI5351_CLK4_PARAMETERS 74 98 #define SI5351_CLK5_PARAMETERS 82 99 #define SI5351_CLK6_PARAMETERS 90 100 #define SI5351_CLK7_PARAMETERS 91 101 #define SI5351_CLK6_7_OUTPUT_DIVIDER 92 102 #define SI5351_OUTPUT_CLK_DIV_MASK (7 << 4) 103 #define SI5351_OUTPUT_CLK6_DIV_MASK (7 << 0) 104 #define SI5351_OUTPUT_CLK_DIV_SHIFT 4 105 #define SI5351_OUTPUT_CLK_DIV6_SHIFT 0 106 #define SI5351_OUTPUT_CLK_DIV_1 0 107 #define SI5351_OUTPUT_CLK_DIV_2 1 108 #define SI5351_OUTPUT_CLK_DIV_4 2 109 #define SI5351_OUTPUT_CLK_DIV_8 3 110 #define SI5351_OUTPUT_CLK_DIV_16 4 111 #define SI5351_OUTPUT_CLK_DIV_32 5 112 #define SI5351_OUTPUT_CLK_DIV_64 6 113 #define SI5351_OUTPUT_CLK_DIV_128 7 114 #define SI5351_OUTPUT_CLK_DIVBY4 (3<<2) 115 116 #define SI5351_SSC_PARAM0 149 117 #define SI5351_SSC_PARAM1 150 118 #define SI5351_SSC_PARAM2 151 119 #define SI5351_SSC_PARAM3 152 120 #define SI5351_SSC_PARAM4 153 121 #define SI5351_SSC_PARAM5 154 122 #define SI5351_SSC_PARAM6 155 123 #define SI5351_SSC_PARAM7 156 124 #define SI5351_SSC_PARAM8 157 125 #define SI5351_SSC_PARAM9 158 126 #define SI5351_SSC_PARAM10 159 127 #define SI5351_SSC_PARAM11 160 128 #define SI5351_SSC_PARAM12 161 129 130 #define SI5351_VXCO_PARAMETERS_LOW 162 131 #define SI5351_VXCO_PARAMETERS_MID 163 132 #define SI5351_VXCO_PARAMETERS_HIGH 164 133 134 #define SI5351_CLK0_PHASE_OFFSET 165 135 #define SI5351_CLK1_PHASE_OFFSET 166 136 #define SI5351_CLK2_PHASE_OFFSET 167 137 #define SI5351_CLK3_PHASE_OFFSET 168 138 #define SI5351_CLK4_PHASE_OFFSET 169 139 #define SI5351_CLK5_PHASE_OFFSET 170 140 141 #define SI5351_PLL_RESET 177 142 #define SI5351_PLL_RESET_B (1<<7) 143 #define SI5351_PLL_RESET_A (1<<5) 144 145 #define SI5351_CRYSTAL_LOAD 183 146 #define SI5351_CRYSTAL_LOAD_MASK (3<<6) 147 #define SI5351_CRYSTAL_LOAD_6PF (1<<6) 148 #define SI5351_CRYSTAL_LOAD_8PF (2<<6) 149 #define SI5351_CRYSTAL_LOAD_10PF (3<<6) 150 151 #define SI5351_FANOUT_ENABLE 187 152 #define SI5351_CLKIN_ENABLE (1<<7) 153 #define SI5351_XTAL_ENABLE (1<<6) 154 #define SI5351_MULTISYNTH_ENABLE (1<<4) 155 156 /** 157 * enum si5351_variant - SiLabs Si5351 chip variant 158 * @SI5351_VARIANT_A: Si5351A (8 output clocks, XTAL input) 159 * @SI5351_VARIANT_A3: Si5351A MSOP10 (3 output clocks, XTAL input) 160 * @SI5351_VARIANT_B: Si5351B (8 output clocks, XTAL/VXCO input) 161 * @SI5351_VARIANT_C: Si5351C (8 output clocks, XTAL/CLKIN input) 162 */ 163 enum si5351_variant { 164 SI5351_VARIANT_A = 1, 165 SI5351_VARIANT_A3 = 2, 166 SI5351_VARIANT_B = 3, 167 SI5351_VARIANT_C = 4, 168 }; 169 170 #endif 171