1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Copyright (C) 2013 Broadcom Corporation 4 * Copyright 2013 Linaro Limited 5 */ 6 7 #include "clk-kona.h" 8 #include "dt-bindings/clock/bcm281xx.h" 9 10 #define BCM281XX_CCU_COMMON(_name, _ucase_name) \ 11 KONA_CCU_COMMON(BCM281XX, _name, _ucase_name) 12 13 /* Root CCU */ 14 15 static struct peri_clk_data frac_1m_data = { 16 .gate = HW_SW_GATE(0x214, 16, 0, 1), 17 .trig = TRIGGER(0x0e04, 0), 18 .div = FRAC_DIVIDER(0x0e00, 0, 22, 16), 19 .clocks = CLOCKS("ref_crystal"), 20 }; 21 22 static struct ccu_data root_ccu_data = { 23 BCM281XX_CCU_COMMON(root, ROOT), 24 .kona_clks = { 25 [BCM281XX_ROOT_CCU_FRAC_1M] = 26 KONA_CLK(root, frac_1m, peri), 27 [BCM281XX_ROOT_CCU_CLOCK_COUNT] = LAST_KONA_CLK, 28 }, 29 }; 30 31 /* AON CCU */ 32 33 static struct peri_clk_data hub_timer_data = { 34 .gate = HW_SW_GATE(0x0414, 16, 0, 1), 35 .clocks = CLOCKS("bbl_32k", 36 "frac_1m", 37 "dft_19_5m"), 38 .sel = SELECTOR(0x0a10, 0, 2), 39 .trig = TRIGGER(0x0a40, 4), 40 }; 41 42 static struct peri_clk_data pmu_bsc_data = { 43 .gate = HW_SW_GATE(0x0418, 16, 0, 1), 44 .clocks = CLOCKS("ref_crystal", 45 "pmu_bsc_var", 46 "bbl_32k"), 47 .sel = SELECTOR(0x0a04, 0, 2), 48 .div = DIVIDER(0x0a04, 3, 4), 49 .trig = TRIGGER(0x0a40, 0), 50 }; 51 52 static struct peri_clk_data pmu_bsc_var_data = { 53 .clocks = CLOCKS("var_312m", 54 "ref_312m"), 55 .sel = SELECTOR(0x0a00, 0, 2), 56 .div = DIVIDER(0x0a00, 4, 5), 57 .trig = TRIGGER(0x0a40, 2), 58 }; 59 60 static struct ccu_data aon_ccu_data = { 61 BCM281XX_CCU_COMMON(aon, AON), 62 .kona_clks = { 63 [BCM281XX_AON_CCU_HUB_TIMER] = 64 KONA_CLK(aon, hub_timer, peri), 65 [BCM281XX_AON_CCU_PMU_BSC] = 66 KONA_CLK(aon, pmu_bsc, peri), 67 [BCM281XX_AON_CCU_PMU_BSC_VAR] = 68 KONA_CLK(aon, pmu_bsc_var, peri), 69 [BCM281XX_AON_CCU_CLOCK_COUNT] = LAST_KONA_CLK, 70 }, 71 }; 72 73 /* Hub CCU */ 74 75 static struct peri_clk_data tmon_1m_data = { 76 .gate = HW_SW_GATE(0x04a4, 18, 2, 3), 77 .clocks = CLOCKS("ref_crystal", 78 "frac_1m"), 79 .sel = SELECTOR(0x0e74, 0, 2), 80 .trig = TRIGGER(0x0e84, 1), 81 }; 82 83 static struct ccu_data hub_ccu_data = { 84 BCM281XX_CCU_COMMON(hub, HUB), 85 .kona_clks = { 86 [BCM281XX_HUB_CCU_TMON_1M] = 87 KONA_CLK(hub, tmon_1m, peri), 88 [BCM281XX_HUB_CCU_CLOCK_COUNT] = LAST_KONA_CLK, 89 }, 90 }; 91 92 /* Master CCU */ 93 94 static struct peri_clk_data sdio1_data = { 95 .gate = HW_SW_GATE(0x0358, 18, 2, 3), 96 .clocks = CLOCKS("ref_crystal", 97 "var_52m", 98 "ref_52m", 99 "var_96m", 100 "ref_96m"), 101 .sel = SELECTOR(0x0a28, 0, 3), 102 .div = DIVIDER(0x0a28, 4, 14), 103 .trig = TRIGGER(0x0afc, 9), 104 }; 105 106 static struct peri_clk_data sdio2_data = { 107 .gate = HW_SW_GATE(0x035c, 18, 2, 3), 108 .clocks = CLOCKS("ref_crystal", 109 "var_52m", 110 "ref_52m", 111 "var_96m", 112 "ref_96m"), 113 .sel = SELECTOR(0x0a2c, 0, 3), 114 .div = DIVIDER(0x0a2c, 4, 14), 115 .trig = TRIGGER(0x0afc, 10), 116 }; 117 118 static struct peri_clk_data sdio3_data = { 119 .gate = HW_SW_GATE(0x0364, 18, 2, 3), 120 .clocks = CLOCKS("ref_crystal", 121 "var_52m", 122 "ref_52m", 123 "var_96m", 124 "ref_96m"), 125 .sel = SELECTOR(0x0a34, 0, 3), 126 .div = DIVIDER(0x0a34, 4, 14), 127 .trig = TRIGGER(0x0afc, 12), 128 }; 129 130 static struct peri_clk_data sdio4_data = { 131 .gate = HW_SW_GATE(0x0360, 18, 2, 3), 132 .clocks = CLOCKS("ref_crystal", 133 "var_52m", 134 "ref_52m", 135 "var_96m", 136 "ref_96m"), 137 .sel = SELECTOR(0x0a30, 0, 3), 138 .div = DIVIDER(0x0a30, 4, 14), 139 .trig = TRIGGER(0x0afc, 11), 140 }; 141 142 static struct peri_clk_data usb_ic_data = { 143 .gate = HW_SW_GATE(0x0354, 18, 2, 3), 144 .clocks = CLOCKS("ref_crystal", 145 "var_96m", 146 "ref_96m"), 147 .div = FIXED_DIVIDER(2), 148 .sel = SELECTOR(0x0a24, 0, 2), 149 .trig = TRIGGER(0x0afc, 7), 150 }; 151 152 /* also called usbh_48m */ 153 static struct peri_clk_data hsic2_48m_data = { 154 .gate = HW_SW_GATE(0x0370, 18, 2, 3), 155 .clocks = CLOCKS("ref_crystal", 156 "var_96m", 157 "ref_96m"), 158 .sel = SELECTOR(0x0a38, 0, 2), 159 .div = FIXED_DIVIDER(2), 160 .trig = TRIGGER(0x0afc, 5), 161 }; 162 163 /* also called usbh_12m */ 164 static struct peri_clk_data hsic2_12m_data = { 165 .gate = HW_SW_GATE(0x0370, 20, 4, 5), 166 .div = DIVIDER(0x0a38, 12, 2), 167 .clocks = CLOCKS("ref_crystal", 168 "var_96m", 169 "ref_96m"), 170 .pre_div = FIXED_DIVIDER(2), 171 .sel = SELECTOR(0x0a38, 0, 2), 172 .trig = TRIGGER(0x0afc, 5), 173 }; 174 175 static struct ccu_data master_ccu_data = { 176 BCM281XX_CCU_COMMON(master, MASTER), 177 .kona_clks = { 178 [BCM281XX_MASTER_CCU_SDIO1] = 179 KONA_CLK(master, sdio1, peri), 180 [BCM281XX_MASTER_CCU_SDIO2] = 181 KONA_CLK(master, sdio2, peri), 182 [BCM281XX_MASTER_CCU_SDIO3] = 183 KONA_CLK(master, sdio3, peri), 184 [BCM281XX_MASTER_CCU_SDIO4] = 185 KONA_CLK(master, sdio4, peri), 186 [BCM281XX_MASTER_CCU_USB_IC] = 187 KONA_CLK(master, usb_ic, peri), 188 [BCM281XX_MASTER_CCU_HSIC2_48M] = 189 KONA_CLK(master, hsic2_48m, peri), 190 [BCM281XX_MASTER_CCU_HSIC2_12M] = 191 KONA_CLK(master, hsic2_12m, peri), 192 [BCM281XX_MASTER_CCU_CLOCK_COUNT] = LAST_KONA_CLK, 193 }, 194 }; 195 196 /* Slave CCU */ 197 198 static struct peri_clk_data uartb_data = { 199 .gate = HW_SW_GATE(0x0400, 18, 2, 3), 200 .clocks = CLOCKS("ref_crystal", 201 "var_156m", 202 "ref_156m"), 203 .sel = SELECTOR(0x0a10, 0, 2), 204 .div = FRAC_DIVIDER(0x0a10, 4, 12, 8), 205 .trig = TRIGGER(0x0afc, 2), 206 }; 207 208 static struct peri_clk_data uartb2_data = { 209 .gate = HW_SW_GATE(0x0404, 18, 2, 3), 210 .clocks = CLOCKS("ref_crystal", 211 "var_156m", 212 "ref_156m"), 213 .sel = SELECTOR(0x0a14, 0, 2), 214 .div = FRAC_DIVIDER(0x0a14, 4, 12, 8), 215 .trig = TRIGGER(0x0afc, 3), 216 }; 217 218 static struct peri_clk_data uartb3_data = { 219 .gate = HW_SW_GATE(0x0408, 18, 2, 3), 220 .clocks = CLOCKS("ref_crystal", 221 "var_156m", 222 "ref_156m"), 223 .sel = SELECTOR(0x0a18, 0, 2), 224 .div = FRAC_DIVIDER(0x0a18, 4, 12, 8), 225 .trig = TRIGGER(0x0afc, 4), 226 }; 227 228 static struct peri_clk_data uartb4_data = { 229 .gate = HW_SW_GATE(0x0408, 18, 2, 3), 230 .clocks = CLOCKS("ref_crystal", 231 "var_156m", 232 "ref_156m"), 233 .sel = SELECTOR(0x0a1c, 0, 2), 234 .div = FRAC_DIVIDER(0x0a1c, 4, 12, 8), 235 .trig = TRIGGER(0x0afc, 5), 236 }; 237 238 static struct peri_clk_data ssp0_data = { 239 .gate = HW_SW_GATE(0x0410, 18, 2, 3), 240 .clocks = CLOCKS("ref_crystal", 241 "var_104m", 242 "ref_104m", 243 "var_96m", 244 "ref_96m"), 245 .sel = SELECTOR(0x0a20, 0, 3), 246 .div = DIVIDER(0x0a20, 4, 14), 247 .trig = TRIGGER(0x0afc, 6), 248 }; 249 250 static struct peri_clk_data ssp2_data = { 251 .gate = HW_SW_GATE(0x0418, 18, 2, 3), 252 .clocks = CLOCKS("ref_crystal", 253 "var_104m", 254 "ref_104m", 255 "var_96m", 256 "ref_96m"), 257 .sel = SELECTOR(0x0a28, 0, 3), 258 .div = DIVIDER(0x0a28, 4, 14), 259 .trig = TRIGGER(0x0afc, 8), 260 }; 261 262 static struct peri_clk_data bsc1_data = { 263 .gate = HW_SW_GATE(0x0458, 18, 2, 3), 264 .clocks = CLOCKS("ref_crystal", 265 "var_104m", 266 "ref_104m", 267 "var_13m", 268 "ref_13m"), 269 .sel = SELECTOR(0x0a64, 0, 3), 270 .trig = TRIGGER(0x0afc, 23), 271 }; 272 273 static struct peri_clk_data bsc2_data = { 274 .gate = HW_SW_GATE(0x045c, 18, 2, 3), 275 .clocks = CLOCKS("ref_crystal", 276 "var_104m", 277 "ref_104m", 278 "var_13m", 279 "ref_13m"), 280 .sel = SELECTOR(0x0a68, 0, 3), 281 .trig = TRIGGER(0x0afc, 24), 282 }; 283 284 static struct peri_clk_data bsc3_data = { 285 .gate = HW_SW_GATE(0x0484, 18, 2, 3), 286 .clocks = CLOCKS("ref_crystal", 287 "var_104m", 288 "ref_104m", 289 "var_13m", 290 "ref_13m"), 291 .sel = SELECTOR(0x0a84, 0, 3), 292 .trig = TRIGGER(0x0b00, 2), 293 }; 294 295 static struct peri_clk_data pwm_data = { 296 .gate = HW_SW_GATE(0x0468, 18, 2, 3), 297 .clocks = CLOCKS("ref_crystal", 298 "var_104m"), 299 .sel = SELECTOR(0x0a70, 0, 2), 300 .div = DIVIDER(0x0a70, 4, 3), 301 .trig = TRIGGER(0x0afc, 15), 302 }; 303 304 static struct ccu_data slave_ccu_data = { 305 BCM281XX_CCU_COMMON(slave, SLAVE), 306 .kona_clks = { 307 [BCM281XX_SLAVE_CCU_UARTB] = 308 KONA_CLK(slave, uartb, peri), 309 [BCM281XX_SLAVE_CCU_UARTB2] = 310 KONA_CLK(slave, uartb2, peri), 311 [BCM281XX_SLAVE_CCU_UARTB3] = 312 KONA_CLK(slave, uartb3, peri), 313 [BCM281XX_SLAVE_CCU_UARTB4] = 314 KONA_CLK(slave, uartb4, peri), 315 [BCM281XX_SLAVE_CCU_SSP0] = 316 KONA_CLK(slave, ssp0, peri), 317 [BCM281XX_SLAVE_CCU_SSP2] = 318 KONA_CLK(slave, ssp2, peri), 319 [BCM281XX_SLAVE_CCU_BSC1] = 320 KONA_CLK(slave, bsc1, peri), 321 [BCM281XX_SLAVE_CCU_BSC2] = 322 KONA_CLK(slave, bsc2, peri), 323 [BCM281XX_SLAVE_CCU_BSC3] = 324 KONA_CLK(slave, bsc3, peri), 325 [BCM281XX_SLAVE_CCU_PWM] = 326 KONA_CLK(slave, pwm, peri), 327 [BCM281XX_SLAVE_CCU_CLOCK_COUNT] = LAST_KONA_CLK, 328 }, 329 }; 330 331 /* Device tree match table callback functions */ 332 333 static void __init kona_dt_root_ccu_setup(struct device_node *node) 334 { 335 kona_dt_ccu_setup(&root_ccu_data, node); 336 } 337 338 static void __init kona_dt_aon_ccu_setup(struct device_node *node) 339 { 340 kona_dt_ccu_setup(&aon_ccu_data, node); 341 } 342 343 static void __init kona_dt_hub_ccu_setup(struct device_node *node) 344 { 345 kona_dt_ccu_setup(&hub_ccu_data, node); 346 } 347 348 static void __init kona_dt_master_ccu_setup(struct device_node *node) 349 { 350 kona_dt_ccu_setup(&master_ccu_data, node); 351 } 352 353 static void __init kona_dt_slave_ccu_setup(struct device_node *node) 354 { 355 kona_dt_ccu_setup(&slave_ccu_data, node); 356 } 357 358 CLK_OF_DECLARE(bcm281xx_root_ccu, BCM281XX_DT_ROOT_CCU_COMPAT, 359 kona_dt_root_ccu_setup); 360 CLK_OF_DECLARE(bcm281xx_aon_ccu, BCM281XX_DT_AON_CCU_COMPAT, 361 kona_dt_aon_ccu_setup); 362 CLK_OF_DECLARE(bcm281xx_hub_ccu, BCM281XX_DT_HUB_CCU_COMPAT, 363 kona_dt_hub_ccu_setup); 364 CLK_OF_DECLARE(bcm281xx_master_ccu, BCM281XX_DT_MASTER_CCU_COMPAT, 365 kona_dt_master_ccu_setup); 366 CLK_OF_DECLARE(bcm281xx_slave_ccu, BCM281XX_DT_SLAVE_CCU_COMPAT, 367 kona_dt_slave_ccu_setup); 368