1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Copyright (c) 2021 MediaTek Inc. 4 * Author: Sam Shih <sam.shih@mediatek.com> 5 * Author: Wenzhen Yu <wenzhen.yu@mediatek.com> 6 * Author: Jianhui Zhao <zhaojh329@gmail.com> 7 */ 8 9 10 #include <linux/clk-provider.h> 11 #include <linux/mod_devicetable.h> 12 #include <linux/platform_device.h> 13 #include "clk-mtk.h" 14 #include "clk-gate.h" 15 #include "clk-mux.h" 16 17 #include <dt-bindings/clock/mediatek,mt7981-clk.h> 18 #include <linux/clk.h> 19 20 static DEFINE_SPINLOCK(mt7981_clk_lock); 21 22 static const struct mtk_fixed_factor top_divs[] = { 23 FACTOR(CLK_TOP_CB_CKSQ_40M, "cb_cksq_40m", "clkxtal", 1, 1), 24 FACTOR(CLK_TOP_CB_M_416M, "cb_m_416m", "mpll", 1, 1), 25 FACTOR(CLK_TOP_CB_M_D2, "cb_m_d2", "mpll", 1, 2), 26 FACTOR(CLK_TOP_CB_M_D3, "cb_m_d3", "mpll", 1, 3), 27 FACTOR(CLK_TOP_M_D3_D2, "m_d3_d2", "mpll", 1, 2), 28 FACTOR(CLK_TOP_CB_M_D4, "cb_m_d4", "mpll", 1, 4), 29 FACTOR(CLK_TOP_CB_M_D8, "cb_m_d8", "mpll", 1, 8), 30 FACTOR(CLK_TOP_M_D8_D2, "m_d8_d2", "mpll", 1, 16), 31 FACTOR(CLK_TOP_CB_MM_720M, "cb_mm_720m", "mmpll", 1, 1), 32 FACTOR(CLK_TOP_CB_MM_D2, "cb_mm_d2", "mmpll", 1, 2), 33 FACTOR(CLK_TOP_CB_MM_D3, "cb_mm_d3", "mmpll", 1, 3), 34 FACTOR(CLK_TOP_CB_MM_D3_D5, "cb_mm_d3_d5", "mmpll", 1, 15), 35 FACTOR(CLK_TOP_CB_MM_D4, "cb_mm_d4", "mmpll", 1, 4), 36 FACTOR(CLK_TOP_CB_MM_D6, "cb_mm_d6", "mmpll", 1, 6), 37 FACTOR(CLK_TOP_MM_D6_D2, "mm_d6_d2", "mmpll", 1, 12), 38 FACTOR(CLK_TOP_CB_MM_D8, "cb_mm_d8", "mmpll", 1, 8), 39 FACTOR(CLK_TOP_CB_APLL2_196M, "cb_apll2_196m", "apll2", 1, 1), 40 FACTOR(CLK_TOP_APLL2_D2, "apll2_d2", "apll2", 1, 2), 41 FACTOR(CLK_TOP_APLL2_D4, "apll2_d4", "apll2", 1, 4), 42 FACTOR(CLK_TOP_NET1_2500M, "net1_2500m", "net1pll", 1, 1), 43 FACTOR(CLK_TOP_CB_NET1_D4, "cb_net1_d4", "net1pll", 1, 4), 44 FACTOR(CLK_TOP_CB_NET1_D5, "cb_net1_d5", "net1pll", 1, 5), 45 FACTOR(CLK_TOP_NET1_D5_D2, "net1_d5_d2", "net1pll", 1, 10), 46 FACTOR(CLK_TOP_NET1_D5_D4, "net1_d5_d4", "net1pll", 1, 20), 47 FACTOR(CLK_TOP_CB_NET1_D8, "cb_net1_d8", "net1pll", 1, 8), 48 FACTOR(CLK_TOP_NET1_D8_D2, "net1_d8_d2", "net1pll", 1, 16), 49 FACTOR(CLK_TOP_NET1_D8_D4, "net1_d8_d4", "net1pll", 1, 32), 50 FACTOR(CLK_TOP_CB_NET2_800M, "cb_net2_800m", "net2pll", 1, 1), 51 FACTOR(CLK_TOP_CB_NET2_D2, "cb_net2_d2", "net2pll", 1, 2), 52 FACTOR(CLK_TOP_CB_NET2_D4, "cb_net2_d4", "net2pll", 1, 4), 53 FACTOR(CLK_TOP_NET2_D4_D2, "net2_d4_d2", "net2pll", 1, 8), 54 FACTOR(CLK_TOP_NET2_D4_D4, "net2_d4_d4", "net2pll", 1, 16), 55 FACTOR(CLK_TOP_CB_NET2_D6, "cb_net2_d6", "net2pll", 1, 6), 56 FACTOR(CLK_TOP_CB_WEDMCU_208M, "cb_wedmcu_208m", "wedmcupll", 1, 1), 57 FACTOR(CLK_TOP_CB_SGM_325M, "cb_sgm_325m", "sgmpll", 1, 1), 58 FACTOR(CLK_TOP_CKSQ_40M_D2, "cksq_40m_d2", "cb_cksq_40m", 1, 2), 59 FACTOR(CLK_TOP_CB_RTC_32K, "cb_rtc_32k", "cb_cksq_40m", 1, 1250), 60 FACTOR(CLK_TOP_CB_RTC_32P7K, "cb_rtc_32p7k", "cb_cksq_40m", 1, 1220), 61 FACTOR(CLK_TOP_USB_TX250M, "usb_tx250m", "cb_cksq_40m", 1, 1), 62 FACTOR(CLK_TOP_FAUD, "faud", "aud_sel", 1, 1), 63 FACTOR(CLK_TOP_NFI1X, "nfi1x", "nfi1x_sel", 1, 1), 64 FACTOR(CLK_TOP_USB_EQ_RX250M, "usb_eq_rx250m", "cb_cksq_40m", 1, 1), 65 FACTOR(CLK_TOP_USB_CDR_CK, "usb_cdr", "cb_cksq_40m", 1, 1), 66 FACTOR(CLK_TOP_USB_LN0_CK, "usb_ln0", "cb_cksq_40m", 1, 1), 67 FACTOR(CLK_TOP_SPINFI_BCK, "spinfi_bck", "spinfi_sel", 1, 1), 68 FACTOR(CLK_TOP_SPI, "spi", "spi_sel", 1, 1), 69 FACTOR(CLK_TOP_SPIM_MST, "spim_mst", "spim_mst_sel", 1, 1), 70 FACTOR(CLK_TOP_UART_BCK, "uart_bck", "uart_sel", 1, 1), 71 FACTOR(CLK_TOP_PWM_BCK, "pwm_bck", "pwm_sel", 1, 1), 72 FACTOR(CLK_TOP_I2C_BCK, "i2c_bck", "i2c_sel", 1, 1), 73 FACTOR(CLK_TOP_PEXTP_TL, "pextp_tl", "pextp_tl_ck_sel", 1, 1), 74 FACTOR(CLK_TOP_EMMC_208M, "emmc_208m", "emmc_208m_sel", 1, 1), 75 FACTOR(CLK_TOP_EMMC_400M, "emmc_400m", "emmc_400m_sel", 1, 1), 76 FACTOR(CLK_TOP_DRAMC_REF, "dramc_ref", "dramc_sel", 1, 1), 77 FACTOR(CLK_TOP_DRAMC_MD32, "dramc_md32", "dramc_md32_sel", 1, 1), 78 FACTOR(CLK_TOP_SYSAXI, "sysaxi", "sysaxi_sel", 1, 1), 79 FACTOR(CLK_TOP_SYSAPB, "sysapb", "sysapb_sel", 1, 1), 80 FACTOR(CLK_TOP_ARM_DB_MAIN, "arm_db_main", "arm_db_main_sel", 1, 1), 81 FACTOR(CLK_TOP_AP2CNN_HOST, "ap2cnn_host", "ap2cnn_host_sel", 1, 1), 82 FACTOR(CLK_TOP_NETSYS, "netsys", "netsys_sel", 1, 1), 83 FACTOR(CLK_TOP_NETSYS_500M, "netsys_500m", "netsys_500m_sel", 1, 1), 84 FACTOR(CLK_TOP_NETSYS_WED_MCU, "netsys_wed_mcu", "netsys_mcu_sel", 1, 1), 85 FACTOR(CLK_TOP_NETSYS_2X, "netsys_2x", "netsys_2x_sel", 1, 1), 86 FACTOR(CLK_TOP_SGM_325M, "sgm_325m", "sgm_325m_sel", 1, 1), 87 FACTOR(CLK_TOP_SGM_REG, "sgm_reg", "sgm_reg_sel", 1, 1), 88 FACTOR(CLK_TOP_F26M, "csw_f26m", "csw_f26m_sel", 1, 1), 89 FACTOR(CLK_TOP_EIP97B, "eip97b", "eip97b_sel", 1, 1), 90 FACTOR(CLK_TOP_USB3_PHY, "usb3_phy", "usb3_phy_sel", 1, 1), 91 FACTOR(CLK_TOP_AUD, "aud", "faud", 1, 1), 92 FACTOR(CLK_TOP_A1SYS, "a1sys", "a1sys_sel", 1, 1), 93 FACTOR(CLK_TOP_AUD_L, "aud_l", "aud_l_sel", 1, 1), 94 FACTOR(CLK_TOP_A_TUNER, "a_tuner", "a_tuner_sel", 1, 1), 95 FACTOR(CLK_TOP_U2U3_REF, "u2u3_ref", "u2u3_sel", 1, 1), 96 FACTOR(CLK_TOP_U2U3_SYS, "u2u3_sys", "u2u3_sys_sel", 1, 1), 97 FACTOR(CLK_TOP_U2U3_XHCI, "u2u3_xhci", "u2u3_xhci_sel", 1, 1), 98 FACTOR(CLK_TOP_USB_FRMCNT, "usb_frmcnt", "usb_frmcnt_sel", 1, 1), 99 }; 100 101 static const char * const nfi1x_parents[] __initconst = { 102 "cb_cksq_40m", 103 "cb_mm_d4", 104 "net1_d8_d2", 105 "cb_net2_d6", 106 "cb_m_d4", 107 "cb_mm_d8", 108 "net1_d8_d4", 109 "cb_m_d8" 110 }; 111 112 static const char * const spinfi_parents[] __initconst = { 113 "cksq_40m_d2", 114 "cb_cksq_40m", 115 "net1_d5_d4", 116 "cb_m_d4", 117 "cb_mm_d8", 118 "net1_d8_d4", 119 "mm_d6_d2", 120 "cb_m_d8" 121 }; 122 123 static const char * const spi_parents[] __initconst = { 124 "cb_cksq_40m", 125 "cb_m_d2", 126 "cb_mm_d4", 127 "net1_d8_d2", 128 "cb_net2_d6", 129 "net1_d5_d4", 130 "cb_m_d4", 131 "net1_d8_d4" 132 }; 133 134 static const char * const uart_parents[] __initconst = { 135 "cb_cksq_40m", 136 "cb_m_d8", 137 "m_d8_d2" 138 }; 139 140 static const char * const pwm_parents[] __initconst = { 141 "cb_cksq_40m", 142 "net1_d8_d2", 143 "net1_d5_d4", 144 "cb_m_d4", 145 "m_d8_d2", 146 "cb_rtc_32k" 147 }; 148 149 static const char * const i2c_parents[] __initconst = { 150 "cb_cksq_40m", 151 "net1_d5_d4", 152 "cb_m_d4", 153 "net1_d8_d4" 154 }; 155 156 static const char * const pextp_tl_ck_parents[] __initconst = { 157 "cb_cksq_40m", 158 "net1_d5_d4", 159 "cb_m_d4", 160 "cb_rtc_32k" 161 }; 162 163 static const char * const emmc_208m_parents[] __initconst = { 164 "cb_cksq_40m", 165 "cb_m_d2", 166 "cb_net2_d4", 167 "cb_apll2_196m", 168 "cb_mm_d4", 169 "net1_d8_d2", 170 "cb_mm_d6" 171 }; 172 173 static const char * const emmc_400m_parents[] __initconst = { 174 "cb_cksq_40m", 175 "cb_net2_d2", 176 "cb_mm_d2", 177 "cb_net2_d2" 178 }; 179 180 static const char * const csw_f26m_parents[] __initconst = { 181 "cksq_40m_d2", 182 "m_d8_d2" 183 }; 184 185 static const char * const dramc_md32_parents[] __initconst = { 186 "cb_cksq_40m", 187 "cb_m_d2", 188 "cb_wedmcu_208m" 189 }; 190 191 static const char * const sysaxi_parents[] __initconst = { 192 "cb_cksq_40m", 193 "net1_d8_d2" 194 }; 195 196 static const char * const sysapb_parents[] __initconst = { 197 "cb_cksq_40m", 198 "m_d3_d2" 199 }; 200 201 static const char * const arm_db_main_parents[] __initconst = { 202 "cb_cksq_40m", 203 "cb_net2_d6" 204 }; 205 206 static const char * const ap2cnn_host_parents[] __initconst = { 207 "cb_cksq_40m", 208 "net1_d8_d4" 209 }; 210 211 static const char * const netsys_parents[] __initconst = { 212 "cb_cksq_40m", 213 "cb_mm_d2" 214 }; 215 216 static const char * const netsys_500m_parents[] __initconst = { 217 "cb_cksq_40m", 218 "cb_net1_d5" 219 }; 220 221 static const char * const netsys_mcu_parents[] __initconst = { 222 "cb_cksq_40m", 223 "cb_mm_720m", 224 "cb_net1_d4", 225 "cb_net1_d5", 226 "cb_m_416m" 227 }; 228 229 static const char * const netsys_2x_parents[] __initconst = { 230 "cb_cksq_40m", 231 "cb_net2_800m", 232 "cb_mm_720m" 233 }; 234 235 static const char * const sgm_325m_parents[] __initconst = { 236 "cb_cksq_40m", 237 "cb_sgm_325m" 238 }; 239 240 static const char * const sgm_reg_parents[] __initconst = { 241 "cb_cksq_40m", 242 "cb_net2_d4" 243 }; 244 245 static const char * const eip97b_parents[] __initconst = { 246 "cb_cksq_40m", 247 "cb_net1_d5", 248 "cb_m_416m", 249 "cb_mm_d2", 250 "net1_d5_d2" 251 }; 252 253 static const char * const aud_parents[] __initconst = { 254 "cb_cksq_40m", 255 "cb_apll2_196m" 256 }; 257 258 static const char * const a1sys_parents[] __initconst = { 259 "cb_cksq_40m", 260 "apll2_d4" 261 }; 262 263 static const char * const aud_l_parents[] __initconst = { 264 "cb_cksq_40m", 265 "cb_apll2_196m", 266 "m_d8_d2" 267 }; 268 269 static const char * const a_tuner_parents[] __initconst = { 270 "cb_cksq_40m", 271 "apll2_d4", 272 "m_d8_d2" 273 }; 274 275 static const char * const u2u3_parents[] __initconst = { 276 "cb_cksq_40m", 277 "m_d8_d2" 278 }; 279 280 static const char * const u2u3_sys_parents[] __initconst = { 281 "cb_cksq_40m", 282 "net1_d5_d4" 283 }; 284 285 static const char * const usb_frmcnt_parents[] __initconst = { 286 "cb_cksq_40m", 287 "cb_mm_d3_d5" 288 }; 289 290 static const struct mtk_mux top_muxes[] = { 291 /* CLK_CFG_0 */ 292 MUX_GATE_CLR_SET_UPD(CLK_TOP_NFI1X_SEL, "nfi1x_sel", nfi1x_parents, 293 0x000, 0x004, 0x008, 0, 3, 7, 0x1C0, 0), 294 MUX_GATE_CLR_SET_UPD(CLK_TOP_SPINFI_SEL, "spinfi_sel", spinfi_parents, 295 0x000, 0x004, 0x008, 8, 3, 15, 0x1C0, 1), 296 MUX_GATE_CLR_SET_UPD(CLK_TOP_SPI_SEL, "spi_sel", spi_parents, 297 0x000, 0x004, 0x008, 16, 3, 23, 0x1C0, 2), 298 MUX_GATE_CLR_SET_UPD(CLK_TOP_SPIM_MST_SEL, "spim_mst_sel", spi_parents, 299 0x000, 0x004, 0x008, 24, 3, 31, 0x1C0, 3), 300 /* CLK_CFG_1 */ 301 MUX_GATE_CLR_SET_UPD(CLK_TOP_UART_SEL, "uart_sel", uart_parents, 302 0x010, 0x014, 0x018, 0, 2, 7, 0x1C0, 4), 303 MUX_GATE_CLR_SET_UPD(CLK_TOP_PWM_SEL, "pwm_sel", pwm_parents, 304 0x010, 0x014, 0x018, 8, 3, 15, 0x1C0, 5), 305 MUX_GATE_CLR_SET_UPD(CLK_TOP_I2C_SEL, "i2c_sel", i2c_parents, 306 0x010, 0x014, 0x018, 16, 2, 23, 0x1C0, 6), 307 MUX_GATE_CLR_SET_UPD(CLK_TOP_PEXTP_TL_SEL, "pextp_tl_ck_sel", 308 pextp_tl_ck_parents, 0x010, 0x014, 0x018, 24, 2, 31, 309 0x1C0, 7), 310 /* CLK_CFG_2 */ 311 MUX_GATE_CLR_SET_UPD_FLAGS(CLK_TOP_EMMC_208M_SEL, "emmc_208m_sel", 312 emmc_208m_parents, 0x020, 0x024, 0x028, 0, 3, 7, 313 0x1C0, 8, 0), 314 MUX_GATE_CLR_SET_UPD_FLAGS(CLK_TOP_EMMC_400M_SEL, "emmc_400m_sel", 315 emmc_400m_parents, 0x020, 0x024, 0x028, 8, 2, 15, 316 0x1C0, 9, 0), 317 MUX_GATE_CLR_SET_UPD_FLAGS(CLK_TOP_F26M_SEL, "csw_f26m_sel", 318 csw_f26m_parents, 0x020, 0x024, 0x028, 16, 1, 23, 319 0x1C0, 10, 320 CLK_IS_CRITICAL | CLK_SET_RATE_PARENT), 321 MUX_GATE_CLR_SET_UPD_FLAGS(CLK_TOP_DRAMC_SEL, "dramc_sel", 322 csw_f26m_parents, 0x020, 0x024, 0x028, 24, 1, 323 31, 0x1C0, 11, 324 CLK_IS_CRITICAL | CLK_SET_RATE_PARENT), 325 /* CLK_CFG_3 */ 326 MUX_GATE_CLR_SET_UPD_FLAGS(CLK_TOP_DRAMC_MD32_SEL, "dramc_md32_sel", 327 dramc_md32_parents, 0x030, 0x034, 0x038, 0, 2, 328 7, 0x1C0, 12, 329 CLK_IS_CRITICAL | CLK_SET_RATE_PARENT), 330 MUX_GATE_CLR_SET_UPD_FLAGS(CLK_TOP_SYSAXI_SEL, "sysaxi_sel", 331 sysaxi_parents, 0x030, 0x034, 0x038, 8, 1, 15, 332 0x1C0, 13, 333 CLK_IS_CRITICAL | CLK_SET_RATE_PARENT), 334 MUX_GATE_CLR_SET_UPD_FLAGS(CLK_TOP_SYSAPB_SEL, "sysapb_sel", 335 sysapb_parents, 0x030, 0x034, 0x038, 16, 1, 336 23, 0x1C0, 14, 337 CLK_IS_CRITICAL | CLK_SET_RATE_PARENT), 338 MUX_GATE_CLR_SET_UPD(CLK_TOP_ARM_DB_MAIN_SEL, "arm_db_main_sel", 339 arm_db_main_parents, 0x030, 0x034, 0x038, 24, 1, 31, 340 0x1C0, 15), 341 /* CLK_CFG_4 */ 342 MUX_GATE_CLR_SET_UPD(CLK_TOP_AP2CNN_HOST_SEL, "ap2cnn_host_sel", 343 ap2cnn_host_parents, 0x040, 0x044, 0x048, 0, 1, 7, 344 0x1C0, 16), 345 MUX_GATE_CLR_SET_UPD(CLK_TOP_NETSYS_SEL, "netsys_sel", netsys_parents, 346 0x040, 0x044, 0x048, 8, 1, 15, 0x1C0, 17), 347 MUX_GATE_CLR_SET_UPD(CLK_TOP_NETSYS_500M_SEL, "netsys_500m_sel", 348 netsys_500m_parents, 0x040, 0x044, 0x048, 16, 1, 23, 349 0x1C0, 18), 350 MUX_GATE_CLR_SET_UPD(CLK_TOP_NETSYS_MCU_SEL, "netsys_mcu_sel", 351 netsys_mcu_parents, 0x040, 0x044, 0x048, 24, 3, 31, 352 0x1C0, 19), 353 /* CLK_CFG_5 */ 354 MUX_GATE_CLR_SET_UPD(CLK_TOP_NETSYS_2X_SEL, "netsys_2x_sel", 355 netsys_2x_parents, 0x050, 0x054, 0x058, 0, 2, 7, 356 0x1C0, 20), 357 MUX_GATE_CLR_SET_UPD(CLK_TOP_SGM_325M_SEL, "sgm_325m_sel", 358 sgm_325m_parents, 0x050, 0x054, 0x058, 8, 1, 15, 359 0x1C0, 21), 360 MUX_GATE_CLR_SET_UPD(CLK_TOP_SGM_REG_SEL, "sgm_reg_sel", sgm_reg_parents, 361 0x050, 0x054, 0x058, 16, 1, 23, 0x1C0, 22), 362 MUX_GATE_CLR_SET_UPD(CLK_TOP_EIP97B_SEL, "eip97b_sel", eip97b_parents, 363 0x050, 0x054, 0x058, 24, 3, 31, 0x1C0, 23), 364 /* CLK_CFG_6 */ 365 MUX_GATE_CLR_SET_UPD(CLK_TOP_USB3_PHY_SEL, "usb3_phy_sel", 366 csw_f26m_parents, 0x060, 0x064, 0x068, 0, 1, 367 7, 0x1C0, 24), 368 MUX_GATE_CLR_SET_UPD(CLK_TOP_AUD_SEL, "aud_sel", aud_parents, 0x060, 369 0x064, 0x068, 8, 1, 15, 0x1C0, 25), 370 MUX_GATE_CLR_SET_UPD(CLK_TOP_A1SYS_SEL, "a1sys_sel", a1sys_parents, 371 0x060, 0x064, 0x068, 16, 1, 23, 0x1C0, 26), 372 MUX_GATE_CLR_SET_UPD(CLK_TOP_AUD_L_SEL, "aud_l_sel", aud_l_parents, 373 0x060, 0x064, 0x068, 24, 2, 31, 0x1C0, 27), 374 /* CLK_CFG_7 */ 375 MUX_GATE_CLR_SET_UPD(CLK_TOP_A_TUNER_SEL, "a_tuner_sel", 376 a_tuner_parents, 0x070, 0x074, 0x078, 0, 2, 7, 377 0x1C0, 28), 378 MUX_GATE_CLR_SET_UPD(CLK_TOP_U2U3_SEL, "u2u3_sel", u2u3_parents, 0x070, 379 0x074, 0x078, 8, 1, 15, 0x1C0, 29), 380 MUX_GATE_CLR_SET_UPD(CLK_TOP_U2U3_SYS_SEL, "u2u3_sys_sel", 381 u2u3_sys_parents, 0x070, 0x074, 0x078, 16, 1, 23, 382 0x1C0, 30), 383 MUX_GATE_CLR_SET_UPD(CLK_TOP_U2U3_XHCI_SEL, "u2u3_xhci_sel", 384 u2u3_sys_parents, 0x070, 0x074, 0x078, 24, 1, 31, 385 0x1C4, 0), 386 /* CLK_CFG_8 */ 387 MUX_GATE_CLR_SET_UPD(CLK_TOP_USB_FRMCNT_SEL, "usb_frmcnt_sel", 388 usb_frmcnt_parents, 0x080, 0x084, 0x088, 0, 1, 7, 389 0x1C4, 1), 390 }; 391 392 static struct mtk_composite top_aud_divs[] = { 393 DIV_GATE(CLK_TOP_AUD_I2S_M, "aud_i2s_m", "aud", 394 0x0420, 0, 0x0420, 8, 8), 395 }; 396 397 static const struct mtk_clk_desc topck_desc = { 398 .factor_clks = top_divs, 399 .num_factor_clks = ARRAY_SIZE(top_divs), 400 .mux_clks = top_muxes, 401 .num_mux_clks = ARRAY_SIZE(top_muxes), 402 .composite_clks = top_aud_divs, 403 .num_composite_clks = ARRAY_SIZE(top_aud_divs), 404 .clk_lock = &mt7981_clk_lock, 405 }; 406 407 static const struct of_device_id of_match_clk_mt7981_topckgen[] = { 408 { .compatible = "mediatek,mt7981-topckgen", .data = &topck_desc }, 409 { /* sentinel */ } 410 }; 411 MODULE_DEVICE_TABLE(of, of_match_clk_mt7981_topckgen); 412 413 static struct platform_driver clk_mt7981_topckgen_drv = { 414 .probe = mtk_clk_simple_probe, 415 .remove_new = mtk_clk_simple_remove, 416 .driver = { 417 .name = "clk-mt7981-topckgen", 418 .of_match_table = of_match_clk_mt7981_topckgen, 419 }, 420 }; 421 module_platform_driver(clk_mt7981_topckgen_drv); 422 MODULE_LICENSE("GPL"); 423