1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Copyright 2017 Impinj, Inc 4 * Author: Andrey Smirnov <andrew.smirnov@gmail.com> 5 * 6 * Based on the code of analogus driver: 7 * 8 * Copyright 2015-2017 Pengutronix, Lucas Stach <kernel@pengutronix.de> 9 */ 10 11 #include <linux/clk.h> 12 #include <linux/of.h> 13 #include <linux/platform_device.h> 14 #include <linux/pm_domain.h> 15 #include <linux/pm_runtime.h> 16 #include <linux/regmap.h> 17 #include <linux/regulator/consumer.h> 18 #include <linux/reset.h> 19 #include <linux/sizes.h> 20 #include <dt-bindings/power/imx7-power.h> 21 #include <dt-bindings/power/imx8mq-power.h> 22 #include <dt-bindings/power/imx8mm-power.h> 23 #include <dt-bindings/power/imx8mn-power.h> 24 #include <dt-bindings/power/imx8mp-power.h> 25 26 #define GPC_LPCR_A_CORE_BSC 0x000 27 28 #define GPC_PGC_CPU_MAPPING 0x0ec 29 #define IMX8MP_GPC_PGC_CPU_MAPPING 0x1cc 30 31 #define IMX7_USB_HSIC_PHY_A_CORE_DOMAIN BIT(6) 32 #define IMX7_USB_OTG2_PHY_A_CORE_DOMAIN BIT(5) 33 #define IMX7_USB_OTG1_PHY_A_CORE_DOMAIN BIT(4) 34 #define IMX7_PCIE_PHY_A_CORE_DOMAIN BIT(3) 35 #define IMX7_MIPI_PHY_A_CORE_DOMAIN BIT(2) 36 37 #define IMX8M_PCIE2_A53_DOMAIN BIT(15) 38 #define IMX8M_MIPI_CSI2_A53_DOMAIN BIT(14) 39 #define IMX8M_MIPI_CSI1_A53_DOMAIN BIT(13) 40 #define IMX8M_DISP_A53_DOMAIN BIT(12) 41 #define IMX8M_HDMI_A53_DOMAIN BIT(11) 42 #define IMX8M_VPU_A53_DOMAIN BIT(10) 43 #define IMX8M_GPU_A53_DOMAIN BIT(9) 44 #define IMX8M_DDR2_A53_DOMAIN BIT(8) 45 #define IMX8M_DDR1_A53_DOMAIN BIT(7) 46 #define IMX8M_OTG2_A53_DOMAIN BIT(5) 47 #define IMX8M_OTG1_A53_DOMAIN BIT(4) 48 #define IMX8M_PCIE1_A53_DOMAIN BIT(3) 49 #define IMX8M_MIPI_A53_DOMAIN BIT(2) 50 51 #define IMX8MM_VPUH1_A53_DOMAIN BIT(15) 52 #define IMX8MM_VPUG2_A53_DOMAIN BIT(14) 53 #define IMX8MM_VPUG1_A53_DOMAIN BIT(13) 54 #define IMX8MM_DISPMIX_A53_DOMAIN BIT(12) 55 #define IMX8MM_VPUMIX_A53_DOMAIN BIT(10) 56 #define IMX8MM_GPUMIX_A53_DOMAIN BIT(9) 57 #define IMX8MM_GPU_A53_DOMAIN (BIT(8) | BIT(11)) 58 #define IMX8MM_DDR1_A53_DOMAIN BIT(7) 59 #define IMX8MM_OTG2_A53_DOMAIN BIT(5) 60 #define IMX8MM_OTG1_A53_DOMAIN BIT(4) 61 #define IMX8MM_PCIE_A53_DOMAIN BIT(3) 62 #define IMX8MM_MIPI_A53_DOMAIN BIT(2) 63 64 #define IMX8MN_DISPMIX_A53_DOMAIN BIT(12) 65 #define IMX8MN_GPUMIX_A53_DOMAIN BIT(9) 66 #define IMX8MN_DDR1_A53_DOMAIN BIT(7) 67 #define IMX8MN_OTG1_A53_DOMAIN BIT(4) 68 #define IMX8MN_MIPI_A53_DOMAIN BIT(2) 69 70 #define IMX8MP_MEDIA_ISPDWP_A53_DOMAIN BIT(20) 71 #define IMX8MP_HSIOMIX_A53_DOMAIN BIT(19) 72 #define IMX8MP_MIPI_PHY2_A53_DOMAIN BIT(18) 73 #define IMX8MP_HDMI_PHY_A53_DOMAIN BIT(17) 74 #define IMX8MP_HDMIMIX_A53_DOMAIN BIT(16) 75 #define IMX8MP_VPU_VC8000E_A53_DOMAIN BIT(15) 76 #define IMX8MP_VPU_G2_A53_DOMAIN BIT(14) 77 #define IMX8MP_VPU_G1_A53_DOMAIN BIT(13) 78 #define IMX8MP_MEDIAMIX_A53_DOMAIN BIT(12) 79 #define IMX8MP_GPU3D_A53_DOMAIN BIT(11) 80 #define IMX8MP_VPUMIX_A53_DOMAIN BIT(10) 81 #define IMX8MP_GPUMIX_A53_DOMAIN BIT(9) 82 #define IMX8MP_GPU2D_A53_DOMAIN BIT(8) 83 #define IMX8MP_AUDIOMIX_A53_DOMAIN BIT(7) 84 #define IMX8MP_MLMIX_A53_DOMAIN BIT(6) 85 #define IMX8MP_USB2_PHY_A53_DOMAIN BIT(5) 86 #define IMX8MP_USB1_PHY_A53_DOMAIN BIT(4) 87 #define IMX8MP_PCIE_PHY_A53_DOMAIN BIT(3) 88 #define IMX8MP_MIPI_PHY1_A53_DOMAIN BIT(2) 89 90 #define IMX8MP_GPC_PU_PGC_SW_PUP_REQ 0x0d8 91 #define IMX8MP_GPC_PU_PGC_SW_PDN_REQ 0x0e4 92 93 #define GPC_PU_PGC_SW_PUP_REQ 0x0f8 94 #define GPC_PU_PGC_SW_PDN_REQ 0x104 95 96 #define IMX7_USB_HSIC_PHY_SW_Pxx_REQ BIT(4) 97 #define IMX7_USB_OTG2_PHY_SW_Pxx_REQ BIT(3) 98 #define IMX7_USB_OTG1_PHY_SW_Pxx_REQ BIT(2) 99 #define IMX7_PCIE_PHY_SW_Pxx_REQ BIT(1) 100 #define IMX7_MIPI_PHY_SW_Pxx_REQ BIT(0) 101 102 #define IMX8M_PCIE2_SW_Pxx_REQ BIT(13) 103 #define IMX8M_MIPI_CSI2_SW_Pxx_REQ BIT(12) 104 #define IMX8M_MIPI_CSI1_SW_Pxx_REQ BIT(11) 105 #define IMX8M_DISP_SW_Pxx_REQ BIT(10) 106 #define IMX8M_HDMI_SW_Pxx_REQ BIT(9) 107 #define IMX8M_VPU_SW_Pxx_REQ BIT(8) 108 #define IMX8M_GPU_SW_Pxx_REQ BIT(7) 109 #define IMX8M_DDR2_SW_Pxx_REQ BIT(6) 110 #define IMX8M_DDR1_SW_Pxx_REQ BIT(5) 111 #define IMX8M_OTG2_SW_Pxx_REQ BIT(3) 112 #define IMX8M_OTG1_SW_Pxx_REQ BIT(2) 113 #define IMX8M_PCIE1_SW_Pxx_REQ BIT(1) 114 #define IMX8M_MIPI_SW_Pxx_REQ BIT(0) 115 116 #define IMX8MM_VPUH1_SW_Pxx_REQ BIT(13) 117 #define IMX8MM_VPUG2_SW_Pxx_REQ BIT(12) 118 #define IMX8MM_VPUG1_SW_Pxx_REQ BIT(11) 119 #define IMX8MM_DISPMIX_SW_Pxx_REQ BIT(10) 120 #define IMX8MM_VPUMIX_SW_Pxx_REQ BIT(8) 121 #define IMX8MM_GPUMIX_SW_Pxx_REQ BIT(7) 122 #define IMX8MM_GPU_SW_Pxx_REQ (BIT(6) | BIT(9)) 123 #define IMX8MM_DDR1_SW_Pxx_REQ BIT(5) 124 #define IMX8MM_OTG2_SW_Pxx_REQ BIT(3) 125 #define IMX8MM_OTG1_SW_Pxx_REQ BIT(2) 126 #define IMX8MM_PCIE_SW_Pxx_REQ BIT(1) 127 #define IMX8MM_MIPI_SW_Pxx_REQ BIT(0) 128 129 #define IMX8MN_DISPMIX_SW_Pxx_REQ BIT(10) 130 #define IMX8MN_GPUMIX_SW_Pxx_REQ BIT(7) 131 #define IMX8MN_DDR1_SW_Pxx_REQ BIT(5) 132 #define IMX8MN_OTG1_SW_Pxx_REQ BIT(2) 133 #define IMX8MN_MIPI_SW_Pxx_REQ BIT(0) 134 135 #define IMX8MP_DDRMIX_Pxx_REQ BIT(19) 136 #define IMX8MP_MEDIA_ISP_DWP_Pxx_REQ BIT(18) 137 #define IMX8MP_HSIOMIX_Pxx_REQ BIT(17) 138 #define IMX8MP_MIPI_PHY2_Pxx_REQ BIT(16) 139 #define IMX8MP_HDMI_PHY_Pxx_REQ BIT(15) 140 #define IMX8MP_HDMIMIX_Pxx_REQ BIT(14) 141 #define IMX8MP_VPU_VC8K_Pxx_REQ BIT(13) 142 #define IMX8MP_VPU_G2_Pxx_REQ BIT(12) 143 #define IMX8MP_VPU_G1_Pxx_REQ BIT(11) 144 #define IMX8MP_MEDIMIX_Pxx_REQ BIT(10) 145 #define IMX8MP_GPU_3D_Pxx_REQ BIT(9) 146 #define IMX8MP_VPU_MIX_SHARE_LOGIC_Pxx_REQ BIT(8) 147 #define IMX8MP_GPU_SHARE_LOGIC_Pxx_REQ BIT(7) 148 #define IMX8MP_GPU_2D_Pxx_REQ BIT(6) 149 #define IMX8MP_AUDIOMIX_Pxx_REQ BIT(5) 150 #define IMX8MP_MLMIX_Pxx_REQ BIT(4) 151 #define IMX8MP_USB2_PHY_Pxx_REQ BIT(3) 152 #define IMX8MP_USB1_PHY_Pxx_REQ BIT(2) 153 #define IMX8MP_PCIE_PHY_SW_Pxx_REQ BIT(1) 154 #define IMX8MP_MIPI_PHY1_SW_Pxx_REQ BIT(0) 155 156 #define GPC_M4_PU_PDN_FLG 0x1bc 157 158 #define IMX8MP_GPC_PU_PWRHSK 0x190 159 #define GPC_PU_PWRHSK 0x1fc 160 161 #define IMX8M_GPU_HSK_PWRDNACKN BIT(26) 162 #define IMX8M_VPU_HSK_PWRDNACKN BIT(25) 163 #define IMX8M_DISP_HSK_PWRDNACKN BIT(24) 164 #define IMX8M_GPU_HSK_PWRDNREQN BIT(6) 165 #define IMX8M_VPU_HSK_PWRDNREQN BIT(5) 166 #define IMX8M_DISP_HSK_PWRDNREQN BIT(4) 167 168 #define IMX8MM_GPUMIX_HSK_PWRDNACKN BIT(29) 169 #define IMX8MM_GPU_HSK_PWRDNACKN (BIT(27) | BIT(28)) 170 #define IMX8MM_VPUMIX_HSK_PWRDNACKN BIT(26) 171 #define IMX8MM_DISPMIX_HSK_PWRDNACKN BIT(25) 172 #define IMX8MM_HSIO_HSK_PWRDNACKN (BIT(23) | BIT(24)) 173 #define IMX8MM_GPUMIX_HSK_PWRDNREQN BIT(11) 174 #define IMX8MM_GPU_HSK_PWRDNREQN (BIT(9) | BIT(10)) 175 #define IMX8MM_VPUMIX_HSK_PWRDNREQN BIT(8) 176 #define IMX8MM_DISPMIX_HSK_PWRDNREQN BIT(7) 177 #define IMX8MM_HSIO_HSK_PWRDNREQN (BIT(5) | BIT(6)) 178 179 #define IMX8MN_GPUMIX_HSK_PWRDNACKN (BIT(29) | BIT(27)) 180 #define IMX8MN_DISPMIX_HSK_PWRDNACKN BIT(25) 181 #define IMX8MN_HSIO_HSK_PWRDNACKN BIT(23) 182 #define IMX8MN_GPUMIX_HSK_PWRDNREQN (BIT(11) | BIT(9)) 183 #define IMX8MN_DISPMIX_HSK_PWRDNREQN BIT(7) 184 #define IMX8MN_HSIO_HSK_PWRDNREQN BIT(5) 185 186 #define IMX8MP_MEDIAMIX_PWRDNACKN BIT(30) 187 #define IMX8MP_HDMIMIX_PWRDNACKN BIT(29) 188 #define IMX8MP_HSIOMIX_PWRDNACKN BIT(28) 189 #define IMX8MP_VPUMIX_PWRDNACKN BIT(26) 190 #define IMX8MP_GPUMIX_PWRDNACKN BIT(25) 191 #define IMX8MP_MLMIX_PWRDNACKN (BIT(23) | BIT(24)) 192 #define IMX8MP_AUDIOMIX_PWRDNACKN (BIT(20) | BIT(31)) 193 #define IMX8MP_MEDIAMIX_PWRDNREQN BIT(14) 194 #define IMX8MP_HDMIMIX_PWRDNREQN BIT(13) 195 #define IMX8MP_HSIOMIX_PWRDNREQN BIT(12) 196 #define IMX8MP_VPUMIX_PWRDNREQN BIT(10) 197 #define IMX8MP_GPUMIX_PWRDNREQN BIT(9) 198 #define IMX8MP_MLMIX_PWRDNREQN (BIT(7) | BIT(8)) 199 #define IMX8MP_AUDIOMIX_PWRDNREQN (BIT(4) | BIT(15)) 200 201 /* 202 * The PGC offset values in Reference Manual 203 * (Rev. 1, 01/2018 and the older ones) GPC chapter's 204 * GPC_PGC memory map are incorrect, below offset 205 * values are from design RTL. 206 */ 207 #define IMX7_PGC_MIPI 16 208 #define IMX7_PGC_PCIE 17 209 #define IMX7_PGC_USB_HSIC 20 210 211 #define IMX8M_PGC_MIPI 16 212 #define IMX8M_PGC_PCIE1 17 213 #define IMX8M_PGC_OTG1 18 214 #define IMX8M_PGC_OTG2 19 215 #define IMX8M_PGC_DDR1 21 216 #define IMX8M_PGC_GPU 23 217 #define IMX8M_PGC_VPU 24 218 #define IMX8M_PGC_DISP 26 219 #define IMX8M_PGC_MIPI_CSI1 27 220 #define IMX8M_PGC_MIPI_CSI2 28 221 #define IMX8M_PGC_PCIE2 29 222 223 #define IMX8MM_PGC_MIPI 16 224 #define IMX8MM_PGC_PCIE 17 225 #define IMX8MM_PGC_OTG1 18 226 #define IMX8MM_PGC_OTG2 19 227 #define IMX8MM_PGC_DDR1 21 228 #define IMX8MM_PGC_GPU2D 22 229 #define IMX8MM_PGC_GPUMIX 23 230 #define IMX8MM_PGC_VPUMIX 24 231 #define IMX8MM_PGC_GPU3D 25 232 #define IMX8MM_PGC_DISPMIX 26 233 #define IMX8MM_PGC_VPUG1 27 234 #define IMX8MM_PGC_VPUG2 28 235 #define IMX8MM_PGC_VPUH1 29 236 237 #define IMX8MN_PGC_MIPI 16 238 #define IMX8MN_PGC_OTG1 18 239 #define IMX8MN_PGC_DDR1 21 240 #define IMX8MN_PGC_GPUMIX 23 241 #define IMX8MN_PGC_DISPMIX 26 242 243 #define IMX8MP_PGC_NOC 9 244 #define IMX8MP_PGC_MIPI1 12 245 #define IMX8MP_PGC_PCIE 13 246 #define IMX8MP_PGC_USB1 14 247 #define IMX8MP_PGC_USB2 15 248 #define IMX8MP_PGC_MLMIX 16 249 #define IMX8MP_PGC_AUDIOMIX 17 250 #define IMX8MP_PGC_GPU2D 18 251 #define IMX8MP_PGC_GPUMIX 19 252 #define IMX8MP_PGC_VPUMIX 20 253 #define IMX8MP_PGC_GPU3D 21 254 #define IMX8MP_PGC_MEDIAMIX 22 255 #define IMX8MP_PGC_VPU_G1 23 256 #define IMX8MP_PGC_VPU_G2 24 257 #define IMX8MP_PGC_VPU_VC8000E 25 258 #define IMX8MP_PGC_HDMIMIX 26 259 #define IMX8MP_PGC_HDMI 27 260 #define IMX8MP_PGC_MIPI2 28 261 #define IMX8MP_PGC_HSIOMIX 29 262 #define IMX8MP_PGC_MEDIA_ISP_DWP 30 263 #define IMX8MP_PGC_DDRMIX 31 264 265 #define GPC_PGC_CTRL(n) (0x800 + (n) * 0x40) 266 #define GPC_PGC_SR(n) (GPC_PGC_CTRL(n) + 0xc) 267 268 #define GPC_PGC_CTRL_PCR BIT(0) 269 270 struct imx_pgc_regs { 271 u16 map; 272 u16 pup; 273 u16 pdn; 274 u16 hsk; 275 }; 276 277 struct imx_pgc_domain { 278 struct generic_pm_domain genpd; 279 struct regmap *regmap; 280 const struct imx_pgc_regs *regs; 281 struct regulator *regulator; 282 struct reset_control *reset; 283 struct clk_bulk_data *clks; 284 int num_clks; 285 286 unsigned long pgc; 287 288 const struct { 289 u32 pxx; 290 u32 map; 291 u32 hskreq; 292 u32 hskack; 293 } bits; 294 295 const int voltage; 296 const bool keep_clocks; 297 struct device *dev; 298 299 unsigned int pgc_sw_pup_reg; 300 unsigned int pgc_sw_pdn_reg; 301 }; 302 303 struct imx_pgc_domain_data { 304 const struct imx_pgc_domain *domains; 305 size_t domains_num; 306 const struct regmap_access_table *reg_access_table; 307 const struct imx_pgc_regs *pgc_regs; 308 }; 309 310 static inline struct imx_pgc_domain * 311 to_imx_pgc_domain(struct generic_pm_domain *genpd) 312 { 313 return container_of(genpd, struct imx_pgc_domain, genpd); 314 } 315 316 static int imx_pgc_power_up(struct generic_pm_domain *genpd) 317 { 318 struct imx_pgc_domain *domain = to_imx_pgc_domain(genpd); 319 u32 reg_val, pgc; 320 int ret; 321 322 ret = pm_runtime_get_sync(domain->dev); 323 if (ret < 0) { 324 pm_runtime_put_noidle(domain->dev); 325 return ret; 326 } 327 328 if (!IS_ERR(domain->regulator)) { 329 ret = regulator_enable(domain->regulator); 330 if (ret) { 331 dev_err(domain->dev, 332 "failed to enable regulator: %pe\n", 333 ERR_PTR(ret)); 334 goto out_put_pm; 335 } 336 } 337 338 reset_control_assert(domain->reset); 339 340 /* Enable reset clocks for all devices in the domain */ 341 ret = clk_bulk_prepare_enable(domain->num_clks, domain->clks); 342 if (ret) { 343 dev_err(domain->dev, "failed to enable reset clocks\n"); 344 goto out_regulator_disable; 345 } 346 347 /* delays for reset to propagate */ 348 udelay(5); 349 350 if (domain->bits.pxx) { 351 /* request the domain to power up */ 352 regmap_update_bits(domain->regmap, domain->regs->pup, 353 domain->bits.pxx, domain->bits.pxx); 354 /* 355 * As per "5.5.9.4 Example Code 4" in IMX7DRM.pdf wait 356 * for PUP_REQ/PDN_REQ bit to be cleared 357 */ 358 ret = regmap_read_poll_timeout(domain->regmap, 359 domain->regs->pup, reg_val, 360 !(reg_val & domain->bits.pxx), 361 0, USEC_PER_MSEC); 362 if (ret) { 363 dev_err(domain->dev, "failed to command PGC\n"); 364 goto out_clk_disable; 365 } 366 367 /* disable power control */ 368 for_each_set_bit(pgc, &domain->pgc, 32) { 369 regmap_clear_bits(domain->regmap, GPC_PGC_CTRL(pgc), 370 GPC_PGC_CTRL_PCR); 371 } 372 } 373 374 /* delay for reset to propagate */ 375 udelay(5); 376 377 reset_control_deassert(domain->reset); 378 379 /* request the ADB400 to power up */ 380 if (domain->bits.hskreq) { 381 regmap_update_bits(domain->regmap, domain->regs->hsk, 382 domain->bits.hskreq, domain->bits.hskreq); 383 384 /* 385 * ret = regmap_read_poll_timeout(domain->regmap, domain->regs->hsk, reg_val, 386 * (reg_val & domain->bits.hskack), 0, 387 * USEC_PER_MSEC); 388 * Technically we need the commented code to wait handshake. But that needs 389 * the BLK-CTL module BUS clk-en bit being set. 390 * 391 * There is a separate BLK-CTL module and we will have such a driver for it, 392 * that driver will set the BUS clk-en bit and handshake will be triggered 393 * automatically there. Just add a delay and suppose the handshake finish 394 * after that. 395 */ 396 } 397 398 /* Disable reset clocks for all devices in the domain */ 399 if (!domain->keep_clocks) 400 clk_bulk_disable_unprepare(domain->num_clks, domain->clks); 401 402 return 0; 403 404 out_clk_disable: 405 clk_bulk_disable_unprepare(domain->num_clks, domain->clks); 406 out_regulator_disable: 407 if (!IS_ERR(domain->regulator)) 408 regulator_disable(domain->regulator); 409 out_put_pm: 410 pm_runtime_put(domain->dev); 411 412 return ret; 413 } 414 415 static int imx_pgc_power_down(struct generic_pm_domain *genpd) 416 { 417 struct imx_pgc_domain *domain = to_imx_pgc_domain(genpd); 418 u32 reg_val, pgc; 419 int ret; 420 421 /* Enable reset clocks for all devices in the domain */ 422 if (!domain->keep_clocks) { 423 ret = clk_bulk_prepare_enable(domain->num_clks, domain->clks); 424 if (ret) { 425 dev_err(domain->dev, "failed to enable reset clocks\n"); 426 return ret; 427 } 428 } 429 430 /* request the ADB400 to power down */ 431 if (domain->bits.hskreq) { 432 regmap_clear_bits(domain->regmap, domain->regs->hsk, 433 domain->bits.hskreq); 434 435 ret = regmap_read_poll_timeout(domain->regmap, domain->regs->hsk, 436 reg_val, 437 !(reg_val & domain->bits.hskack), 438 0, USEC_PER_MSEC); 439 if (ret) { 440 dev_err(domain->dev, "failed to power down ADB400\n"); 441 goto out_clk_disable; 442 } 443 } 444 445 if (domain->bits.pxx) { 446 /* enable power control */ 447 for_each_set_bit(pgc, &domain->pgc, 32) { 448 regmap_update_bits(domain->regmap, GPC_PGC_CTRL(pgc), 449 GPC_PGC_CTRL_PCR, GPC_PGC_CTRL_PCR); 450 } 451 452 /* request the domain to power down */ 453 regmap_update_bits(domain->regmap, domain->regs->pdn, 454 domain->bits.pxx, domain->bits.pxx); 455 /* 456 * As per "5.5.9.4 Example Code 4" in IMX7DRM.pdf wait 457 * for PUP_REQ/PDN_REQ bit to be cleared 458 */ 459 ret = regmap_read_poll_timeout(domain->regmap, 460 domain->regs->pdn, reg_val, 461 !(reg_val & domain->bits.pxx), 462 0, USEC_PER_MSEC); 463 if (ret) { 464 dev_err(domain->dev, "failed to command PGC\n"); 465 goto out_clk_disable; 466 } 467 } 468 469 /* Disable reset clocks for all devices in the domain */ 470 clk_bulk_disable_unprepare(domain->num_clks, domain->clks); 471 472 if (!IS_ERR(domain->regulator)) { 473 ret = regulator_disable(domain->regulator); 474 if (ret) { 475 dev_err(domain->dev, 476 "failed to disable regulator: %pe\n", 477 ERR_PTR(ret)); 478 return ret; 479 } 480 } 481 482 pm_runtime_put_sync_suspend(domain->dev); 483 484 return 0; 485 486 out_clk_disable: 487 if (!domain->keep_clocks) 488 clk_bulk_disable_unprepare(domain->num_clks, domain->clks); 489 490 return ret; 491 } 492 493 static const struct imx_pgc_domain imx7_pgc_domains[] = { 494 [IMX7_POWER_DOMAIN_MIPI_PHY] = { 495 .genpd = { 496 .name = "mipi-phy", 497 }, 498 .bits = { 499 .pxx = IMX7_MIPI_PHY_SW_Pxx_REQ, 500 .map = IMX7_MIPI_PHY_A_CORE_DOMAIN, 501 }, 502 .voltage = 1000000, 503 .pgc = BIT(IMX7_PGC_MIPI), 504 }, 505 506 [IMX7_POWER_DOMAIN_PCIE_PHY] = { 507 .genpd = { 508 .name = "pcie-phy", 509 }, 510 .bits = { 511 .pxx = IMX7_PCIE_PHY_SW_Pxx_REQ, 512 .map = IMX7_PCIE_PHY_A_CORE_DOMAIN, 513 }, 514 .voltage = 1000000, 515 .pgc = BIT(IMX7_PGC_PCIE), 516 }, 517 518 [IMX7_POWER_DOMAIN_USB_HSIC_PHY] = { 519 .genpd = { 520 .name = "usb-hsic-phy", 521 }, 522 .bits = { 523 .pxx = IMX7_USB_HSIC_PHY_SW_Pxx_REQ, 524 .map = IMX7_USB_HSIC_PHY_A_CORE_DOMAIN, 525 }, 526 .voltage = 1200000, 527 .pgc = BIT(IMX7_PGC_USB_HSIC), 528 }, 529 }; 530 531 static const struct regmap_range imx7_yes_ranges[] = { 532 regmap_reg_range(GPC_LPCR_A_CORE_BSC, 533 GPC_M4_PU_PDN_FLG), 534 regmap_reg_range(GPC_PGC_CTRL(IMX7_PGC_MIPI), 535 GPC_PGC_SR(IMX7_PGC_MIPI)), 536 regmap_reg_range(GPC_PGC_CTRL(IMX7_PGC_PCIE), 537 GPC_PGC_SR(IMX7_PGC_PCIE)), 538 regmap_reg_range(GPC_PGC_CTRL(IMX7_PGC_USB_HSIC), 539 GPC_PGC_SR(IMX7_PGC_USB_HSIC)), 540 }; 541 542 static const struct regmap_access_table imx7_access_table = { 543 .yes_ranges = imx7_yes_ranges, 544 .n_yes_ranges = ARRAY_SIZE(imx7_yes_ranges), 545 }; 546 547 static const struct imx_pgc_regs imx7_pgc_regs = { 548 .map = GPC_PGC_CPU_MAPPING, 549 .pup = GPC_PU_PGC_SW_PUP_REQ, 550 .pdn = GPC_PU_PGC_SW_PDN_REQ, 551 .hsk = GPC_PU_PWRHSK, 552 }; 553 554 static const struct imx_pgc_domain_data imx7_pgc_domain_data = { 555 .domains = imx7_pgc_domains, 556 .domains_num = ARRAY_SIZE(imx7_pgc_domains), 557 .reg_access_table = &imx7_access_table, 558 .pgc_regs = &imx7_pgc_regs, 559 }; 560 561 static const struct imx_pgc_domain imx8m_pgc_domains[] = { 562 [IMX8M_POWER_DOMAIN_MIPI] = { 563 .genpd = { 564 .name = "mipi", 565 }, 566 .bits = { 567 .pxx = IMX8M_MIPI_SW_Pxx_REQ, 568 .map = IMX8M_MIPI_A53_DOMAIN, 569 }, 570 .pgc = BIT(IMX8M_PGC_MIPI), 571 }, 572 573 [IMX8M_POWER_DOMAIN_PCIE1] = { 574 .genpd = { 575 .name = "pcie1", 576 }, 577 .bits = { 578 .pxx = IMX8M_PCIE1_SW_Pxx_REQ, 579 .map = IMX8M_PCIE1_A53_DOMAIN, 580 }, 581 .pgc = BIT(IMX8M_PGC_PCIE1), 582 }, 583 584 [IMX8M_POWER_DOMAIN_USB_OTG1] = { 585 .genpd = { 586 .name = "usb-otg1", 587 }, 588 .bits = { 589 .pxx = IMX8M_OTG1_SW_Pxx_REQ, 590 .map = IMX8M_OTG1_A53_DOMAIN, 591 }, 592 .pgc = BIT(IMX8M_PGC_OTG1), 593 }, 594 595 [IMX8M_POWER_DOMAIN_USB_OTG2] = { 596 .genpd = { 597 .name = "usb-otg2", 598 }, 599 .bits = { 600 .pxx = IMX8M_OTG2_SW_Pxx_REQ, 601 .map = IMX8M_OTG2_A53_DOMAIN, 602 }, 603 .pgc = BIT(IMX8M_PGC_OTG2), 604 }, 605 606 [IMX8M_POWER_DOMAIN_DDR1] = { 607 .genpd = { 608 .name = "ddr1", 609 }, 610 .bits = { 611 .pxx = IMX8M_DDR1_SW_Pxx_REQ, 612 .map = IMX8M_DDR2_A53_DOMAIN, 613 }, 614 .pgc = BIT(IMX8M_PGC_DDR1), 615 }, 616 617 [IMX8M_POWER_DOMAIN_GPU] = { 618 .genpd = { 619 .name = "gpu", 620 }, 621 .bits = { 622 .pxx = IMX8M_GPU_SW_Pxx_REQ, 623 .map = IMX8M_GPU_A53_DOMAIN, 624 .hskreq = IMX8M_GPU_HSK_PWRDNREQN, 625 .hskack = IMX8M_GPU_HSK_PWRDNACKN, 626 }, 627 .pgc = BIT(IMX8M_PGC_GPU), 628 }, 629 630 [IMX8M_POWER_DOMAIN_VPU] = { 631 .genpd = { 632 .name = "vpu", 633 }, 634 .bits = { 635 .pxx = IMX8M_VPU_SW_Pxx_REQ, 636 .map = IMX8M_VPU_A53_DOMAIN, 637 .hskreq = IMX8M_VPU_HSK_PWRDNREQN, 638 .hskack = IMX8M_VPU_HSK_PWRDNACKN, 639 }, 640 .pgc = BIT(IMX8M_PGC_VPU), 641 .keep_clocks = true, 642 }, 643 644 [IMX8M_POWER_DOMAIN_DISP] = { 645 .genpd = { 646 .name = "disp", 647 }, 648 .bits = { 649 .pxx = IMX8M_DISP_SW_Pxx_REQ, 650 .map = IMX8M_DISP_A53_DOMAIN, 651 .hskreq = IMX8M_DISP_HSK_PWRDNREQN, 652 .hskack = IMX8M_DISP_HSK_PWRDNACKN, 653 }, 654 .pgc = BIT(IMX8M_PGC_DISP), 655 }, 656 657 [IMX8M_POWER_DOMAIN_MIPI_CSI1] = { 658 .genpd = { 659 .name = "mipi-csi1", 660 }, 661 .bits = { 662 .pxx = IMX8M_MIPI_CSI1_SW_Pxx_REQ, 663 .map = IMX8M_MIPI_CSI1_A53_DOMAIN, 664 }, 665 .pgc = BIT(IMX8M_PGC_MIPI_CSI1), 666 }, 667 668 [IMX8M_POWER_DOMAIN_MIPI_CSI2] = { 669 .genpd = { 670 .name = "mipi-csi2", 671 }, 672 .bits = { 673 .pxx = IMX8M_MIPI_CSI2_SW_Pxx_REQ, 674 .map = IMX8M_MIPI_CSI2_A53_DOMAIN, 675 }, 676 .pgc = BIT(IMX8M_PGC_MIPI_CSI2), 677 }, 678 679 [IMX8M_POWER_DOMAIN_PCIE2] = { 680 .genpd = { 681 .name = "pcie2", 682 }, 683 .bits = { 684 .pxx = IMX8M_PCIE2_SW_Pxx_REQ, 685 .map = IMX8M_PCIE2_A53_DOMAIN, 686 }, 687 .pgc = BIT(IMX8M_PGC_PCIE2), 688 }, 689 }; 690 691 static const struct regmap_range imx8m_yes_ranges[] = { 692 regmap_reg_range(GPC_LPCR_A_CORE_BSC, 693 GPC_PU_PWRHSK), 694 regmap_reg_range(GPC_PGC_CTRL(IMX8M_PGC_MIPI), 695 GPC_PGC_SR(IMX8M_PGC_MIPI)), 696 regmap_reg_range(GPC_PGC_CTRL(IMX8M_PGC_PCIE1), 697 GPC_PGC_SR(IMX8M_PGC_PCIE1)), 698 regmap_reg_range(GPC_PGC_CTRL(IMX8M_PGC_OTG1), 699 GPC_PGC_SR(IMX8M_PGC_OTG1)), 700 regmap_reg_range(GPC_PGC_CTRL(IMX8M_PGC_OTG2), 701 GPC_PGC_SR(IMX8M_PGC_OTG2)), 702 regmap_reg_range(GPC_PGC_CTRL(IMX8M_PGC_DDR1), 703 GPC_PGC_SR(IMX8M_PGC_DDR1)), 704 regmap_reg_range(GPC_PGC_CTRL(IMX8M_PGC_GPU), 705 GPC_PGC_SR(IMX8M_PGC_GPU)), 706 regmap_reg_range(GPC_PGC_CTRL(IMX8M_PGC_VPU), 707 GPC_PGC_SR(IMX8M_PGC_VPU)), 708 regmap_reg_range(GPC_PGC_CTRL(IMX8M_PGC_DISP), 709 GPC_PGC_SR(IMX8M_PGC_DISP)), 710 regmap_reg_range(GPC_PGC_CTRL(IMX8M_PGC_MIPI_CSI1), 711 GPC_PGC_SR(IMX8M_PGC_MIPI_CSI1)), 712 regmap_reg_range(GPC_PGC_CTRL(IMX8M_PGC_MIPI_CSI2), 713 GPC_PGC_SR(IMX8M_PGC_MIPI_CSI2)), 714 regmap_reg_range(GPC_PGC_CTRL(IMX8M_PGC_PCIE2), 715 GPC_PGC_SR(IMX8M_PGC_PCIE2)), 716 }; 717 718 static const struct regmap_access_table imx8m_access_table = { 719 .yes_ranges = imx8m_yes_ranges, 720 .n_yes_ranges = ARRAY_SIZE(imx8m_yes_ranges), 721 }; 722 723 static const struct imx_pgc_domain_data imx8m_pgc_domain_data = { 724 .domains = imx8m_pgc_domains, 725 .domains_num = ARRAY_SIZE(imx8m_pgc_domains), 726 .reg_access_table = &imx8m_access_table, 727 .pgc_regs = &imx7_pgc_regs, 728 }; 729 730 static const struct imx_pgc_domain imx8mm_pgc_domains[] = { 731 [IMX8MM_POWER_DOMAIN_HSIOMIX] = { 732 .genpd = { 733 .name = "hsiomix", 734 }, 735 .bits = { 736 .pxx = 0, /* no power sequence control */ 737 .map = 0, /* no power sequence control */ 738 .hskreq = IMX8MM_HSIO_HSK_PWRDNREQN, 739 .hskack = IMX8MM_HSIO_HSK_PWRDNACKN, 740 }, 741 .keep_clocks = true, 742 }, 743 744 [IMX8MM_POWER_DOMAIN_PCIE] = { 745 .genpd = { 746 .name = "pcie", 747 }, 748 .bits = { 749 .pxx = IMX8MM_PCIE_SW_Pxx_REQ, 750 .map = IMX8MM_PCIE_A53_DOMAIN, 751 }, 752 .pgc = BIT(IMX8MM_PGC_PCIE), 753 }, 754 755 [IMX8MM_POWER_DOMAIN_OTG1] = { 756 .genpd = { 757 .name = "usb-otg1", 758 .flags = GENPD_FLAG_ACTIVE_WAKEUP, 759 }, 760 .bits = { 761 .pxx = IMX8MM_OTG1_SW_Pxx_REQ, 762 .map = IMX8MM_OTG1_A53_DOMAIN, 763 }, 764 .pgc = BIT(IMX8MM_PGC_OTG1), 765 }, 766 767 [IMX8MM_POWER_DOMAIN_OTG2] = { 768 .genpd = { 769 .name = "usb-otg2", 770 .flags = GENPD_FLAG_ACTIVE_WAKEUP, 771 }, 772 .bits = { 773 .pxx = IMX8MM_OTG2_SW_Pxx_REQ, 774 .map = IMX8MM_OTG2_A53_DOMAIN, 775 }, 776 .pgc = BIT(IMX8MM_PGC_OTG2), 777 }, 778 779 [IMX8MM_POWER_DOMAIN_GPUMIX] = { 780 .genpd = { 781 .name = "gpumix", 782 }, 783 .bits = { 784 .pxx = IMX8MM_GPUMIX_SW_Pxx_REQ, 785 .map = IMX8MM_GPUMIX_A53_DOMAIN, 786 .hskreq = IMX8MM_GPUMIX_HSK_PWRDNREQN, 787 .hskack = IMX8MM_GPUMIX_HSK_PWRDNACKN, 788 }, 789 .pgc = BIT(IMX8MM_PGC_GPUMIX), 790 .keep_clocks = true, 791 }, 792 793 [IMX8MM_POWER_DOMAIN_GPU] = { 794 .genpd = { 795 .name = "gpu", 796 }, 797 .bits = { 798 .pxx = IMX8MM_GPU_SW_Pxx_REQ, 799 .map = IMX8MM_GPU_A53_DOMAIN, 800 .hskreq = IMX8MM_GPU_HSK_PWRDNREQN, 801 .hskack = IMX8MM_GPU_HSK_PWRDNACKN, 802 }, 803 .pgc = BIT(IMX8MM_PGC_GPU2D) | BIT(IMX8MM_PGC_GPU3D), 804 }, 805 806 [IMX8MM_POWER_DOMAIN_VPUMIX] = { 807 .genpd = { 808 .name = "vpumix", 809 }, 810 .bits = { 811 .pxx = IMX8MM_VPUMIX_SW_Pxx_REQ, 812 .map = IMX8MM_VPUMIX_A53_DOMAIN, 813 .hskreq = IMX8MM_VPUMIX_HSK_PWRDNREQN, 814 .hskack = IMX8MM_VPUMIX_HSK_PWRDNACKN, 815 }, 816 .pgc = BIT(IMX8MM_PGC_VPUMIX), 817 .keep_clocks = true, 818 }, 819 820 [IMX8MM_POWER_DOMAIN_VPUG1] = { 821 .genpd = { 822 .name = "vpu-g1", 823 }, 824 .bits = { 825 .pxx = IMX8MM_VPUG1_SW_Pxx_REQ, 826 .map = IMX8MM_VPUG1_A53_DOMAIN, 827 }, 828 .pgc = BIT(IMX8MM_PGC_VPUG1), 829 }, 830 831 [IMX8MM_POWER_DOMAIN_VPUG2] = { 832 .genpd = { 833 .name = "vpu-g2", 834 }, 835 .bits = { 836 .pxx = IMX8MM_VPUG2_SW_Pxx_REQ, 837 .map = IMX8MM_VPUG2_A53_DOMAIN, 838 }, 839 .pgc = BIT(IMX8MM_PGC_VPUG2), 840 }, 841 842 [IMX8MM_POWER_DOMAIN_VPUH1] = { 843 .genpd = { 844 .name = "vpu-h1", 845 }, 846 .bits = { 847 .pxx = IMX8MM_VPUH1_SW_Pxx_REQ, 848 .map = IMX8MM_VPUH1_A53_DOMAIN, 849 }, 850 .pgc = BIT(IMX8MM_PGC_VPUH1), 851 .keep_clocks = true, 852 }, 853 854 [IMX8MM_POWER_DOMAIN_DISPMIX] = { 855 .genpd = { 856 .name = "dispmix", 857 }, 858 .bits = { 859 .pxx = IMX8MM_DISPMIX_SW_Pxx_REQ, 860 .map = IMX8MM_DISPMIX_A53_DOMAIN, 861 .hskreq = IMX8MM_DISPMIX_HSK_PWRDNREQN, 862 .hskack = IMX8MM_DISPMIX_HSK_PWRDNACKN, 863 }, 864 .pgc = BIT(IMX8MM_PGC_DISPMIX), 865 .keep_clocks = true, 866 }, 867 868 [IMX8MM_POWER_DOMAIN_MIPI] = { 869 .genpd = { 870 .name = "mipi", 871 }, 872 .bits = { 873 .pxx = IMX8MM_MIPI_SW_Pxx_REQ, 874 .map = IMX8MM_MIPI_A53_DOMAIN, 875 }, 876 .pgc = BIT(IMX8MM_PGC_MIPI), 877 }, 878 }; 879 880 static const struct regmap_range imx8mm_yes_ranges[] = { 881 regmap_reg_range(GPC_LPCR_A_CORE_BSC, 882 GPC_PU_PWRHSK), 883 regmap_reg_range(GPC_PGC_CTRL(IMX8MM_PGC_MIPI), 884 GPC_PGC_SR(IMX8MM_PGC_MIPI)), 885 regmap_reg_range(GPC_PGC_CTRL(IMX8MM_PGC_PCIE), 886 GPC_PGC_SR(IMX8MM_PGC_PCIE)), 887 regmap_reg_range(GPC_PGC_CTRL(IMX8MM_PGC_OTG1), 888 GPC_PGC_SR(IMX8MM_PGC_OTG1)), 889 regmap_reg_range(GPC_PGC_CTRL(IMX8MM_PGC_OTG2), 890 GPC_PGC_SR(IMX8MM_PGC_OTG2)), 891 regmap_reg_range(GPC_PGC_CTRL(IMX8MM_PGC_DDR1), 892 GPC_PGC_SR(IMX8MM_PGC_DDR1)), 893 regmap_reg_range(GPC_PGC_CTRL(IMX8MM_PGC_GPU2D), 894 GPC_PGC_SR(IMX8MM_PGC_GPU2D)), 895 regmap_reg_range(GPC_PGC_CTRL(IMX8MM_PGC_GPUMIX), 896 GPC_PGC_SR(IMX8MM_PGC_GPUMIX)), 897 regmap_reg_range(GPC_PGC_CTRL(IMX8MM_PGC_VPUMIX), 898 GPC_PGC_SR(IMX8MM_PGC_VPUMIX)), 899 regmap_reg_range(GPC_PGC_CTRL(IMX8MM_PGC_GPU3D), 900 GPC_PGC_SR(IMX8MM_PGC_GPU3D)), 901 regmap_reg_range(GPC_PGC_CTRL(IMX8MM_PGC_DISPMIX), 902 GPC_PGC_SR(IMX8MM_PGC_DISPMIX)), 903 regmap_reg_range(GPC_PGC_CTRL(IMX8MM_PGC_VPUG1), 904 GPC_PGC_SR(IMX8MM_PGC_VPUG1)), 905 regmap_reg_range(GPC_PGC_CTRL(IMX8MM_PGC_VPUG2), 906 GPC_PGC_SR(IMX8MM_PGC_VPUG2)), 907 regmap_reg_range(GPC_PGC_CTRL(IMX8MM_PGC_VPUH1), 908 GPC_PGC_SR(IMX8MM_PGC_VPUH1)), 909 }; 910 911 static const struct regmap_access_table imx8mm_access_table = { 912 .yes_ranges = imx8mm_yes_ranges, 913 .n_yes_ranges = ARRAY_SIZE(imx8mm_yes_ranges), 914 }; 915 916 static const struct imx_pgc_domain_data imx8mm_pgc_domain_data = { 917 .domains = imx8mm_pgc_domains, 918 .domains_num = ARRAY_SIZE(imx8mm_pgc_domains), 919 .reg_access_table = &imx8mm_access_table, 920 .pgc_regs = &imx7_pgc_regs, 921 }; 922 923 static const struct imx_pgc_domain imx8mp_pgc_domains[] = { 924 [IMX8MP_POWER_DOMAIN_MIPI_PHY1] = { 925 .genpd = { 926 .name = "mipi-phy1", 927 }, 928 .bits = { 929 .pxx = IMX8MP_MIPI_PHY1_SW_Pxx_REQ, 930 .map = IMX8MP_MIPI_PHY1_A53_DOMAIN, 931 }, 932 .pgc = BIT(IMX8MP_PGC_MIPI1), 933 }, 934 935 [IMX8MP_POWER_DOMAIN_PCIE_PHY] = { 936 .genpd = { 937 .name = "pcie-phy1", 938 }, 939 .bits = { 940 .pxx = IMX8MP_PCIE_PHY_SW_Pxx_REQ, 941 .map = IMX8MP_PCIE_PHY_A53_DOMAIN, 942 }, 943 .pgc = BIT(IMX8MP_PGC_PCIE), 944 }, 945 946 [IMX8MP_POWER_DOMAIN_USB1_PHY] = { 947 .genpd = { 948 .name = "usb-otg1", 949 }, 950 .bits = { 951 .pxx = IMX8MP_USB1_PHY_Pxx_REQ, 952 .map = IMX8MP_USB1_PHY_A53_DOMAIN, 953 }, 954 .pgc = BIT(IMX8MP_PGC_USB1), 955 }, 956 957 [IMX8MP_POWER_DOMAIN_USB2_PHY] = { 958 .genpd = { 959 .name = "usb-otg2", 960 }, 961 .bits = { 962 .pxx = IMX8MP_USB2_PHY_Pxx_REQ, 963 .map = IMX8MP_USB2_PHY_A53_DOMAIN, 964 }, 965 .pgc = BIT(IMX8MP_PGC_USB2), 966 }, 967 968 [IMX8MP_POWER_DOMAIN_MLMIX] = { 969 .genpd = { 970 .name = "mlmix", 971 }, 972 .bits = { 973 .pxx = IMX8MP_MLMIX_Pxx_REQ, 974 .map = IMX8MP_MLMIX_A53_DOMAIN, 975 .hskreq = IMX8MP_MLMIX_PWRDNREQN, 976 .hskack = IMX8MP_MLMIX_PWRDNACKN, 977 }, 978 .pgc = BIT(IMX8MP_PGC_MLMIX), 979 .keep_clocks = true, 980 }, 981 982 [IMX8MP_POWER_DOMAIN_AUDIOMIX] = { 983 .genpd = { 984 .name = "audiomix", 985 }, 986 .bits = { 987 .pxx = IMX8MP_AUDIOMIX_Pxx_REQ, 988 .map = IMX8MP_AUDIOMIX_A53_DOMAIN, 989 .hskreq = IMX8MP_AUDIOMIX_PWRDNREQN, 990 .hskack = IMX8MP_AUDIOMIX_PWRDNACKN, 991 }, 992 .pgc = BIT(IMX8MP_PGC_AUDIOMIX), 993 .keep_clocks = true, 994 }, 995 996 [IMX8MP_POWER_DOMAIN_GPU2D] = { 997 .genpd = { 998 .name = "gpu2d", 999 }, 1000 .bits = { 1001 .pxx = IMX8MP_GPU_2D_Pxx_REQ, 1002 .map = IMX8MP_GPU2D_A53_DOMAIN, 1003 }, 1004 .pgc = BIT(IMX8MP_PGC_GPU2D), 1005 }, 1006 1007 [IMX8MP_POWER_DOMAIN_GPUMIX] = { 1008 .genpd = { 1009 .name = "gpumix", 1010 }, 1011 .bits = { 1012 .pxx = IMX8MP_GPU_SHARE_LOGIC_Pxx_REQ, 1013 .map = IMX8MP_GPUMIX_A53_DOMAIN, 1014 .hskreq = IMX8MP_GPUMIX_PWRDNREQN, 1015 .hskack = IMX8MP_GPUMIX_PWRDNACKN, 1016 }, 1017 .pgc = BIT(IMX8MP_PGC_GPUMIX), 1018 .keep_clocks = true, 1019 }, 1020 1021 [IMX8MP_POWER_DOMAIN_VPUMIX] = { 1022 .genpd = { 1023 .name = "vpumix", 1024 }, 1025 .bits = { 1026 .pxx = IMX8MP_VPU_MIX_SHARE_LOGIC_Pxx_REQ, 1027 .map = IMX8MP_VPUMIX_A53_DOMAIN, 1028 .hskreq = IMX8MP_VPUMIX_PWRDNREQN, 1029 .hskack = IMX8MP_VPUMIX_PWRDNACKN, 1030 }, 1031 .pgc = BIT(IMX8MP_PGC_VPUMIX), 1032 .keep_clocks = true, 1033 }, 1034 1035 [IMX8MP_POWER_DOMAIN_GPU3D] = { 1036 .genpd = { 1037 .name = "gpu3d", 1038 }, 1039 .bits = { 1040 .pxx = IMX8MP_GPU_3D_Pxx_REQ, 1041 .map = IMX8MP_GPU3D_A53_DOMAIN, 1042 }, 1043 .pgc = BIT(IMX8MP_PGC_GPU3D), 1044 }, 1045 1046 [IMX8MP_POWER_DOMAIN_MEDIAMIX] = { 1047 .genpd = { 1048 .name = "mediamix", 1049 }, 1050 .bits = { 1051 .pxx = IMX8MP_MEDIMIX_Pxx_REQ, 1052 .map = IMX8MP_MEDIAMIX_A53_DOMAIN, 1053 .hskreq = IMX8MP_MEDIAMIX_PWRDNREQN, 1054 .hskack = IMX8MP_MEDIAMIX_PWRDNACKN, 1055 }, 1056 .pgc = BIT(IMX8MP_PGC_MEDIAMIX), 1057 .keep_clocks = true, 1058 }, 1059 1060 [IMX8MP_POWER_DOMAIN_VPU_G1] = { 1061 .genpd = { 1062 .name = "vpu-g1", 1063 }, 1064 .bits = { 1065 .pxx = IMX8MP_VPU_G1_Pxx_REQ, 1066 .map = IMX8MP_VPU_G1_A53_DOMAIN, 1067 }, 1068 .pgc = BIT(IMX8MP_PGC_VPU_G1), 1069 }, 1070 1071 [IMX8MP_POWER_DOMAIN_VPU_G2] = { 1072 .genpd = { 1073 .name = "vpu-g2", 1074 }, 1075 .bits = { 1076 .pxx = IMX8MP_VPU_G2_Pxx_REQ, 1077 .map = IMX8MP_VPU_G2_A53_DOMAIN 1078 }, 1079 .pgc = BIT(IMX8MP_PGC_VPU_G2), 1080 }, 1081 1082 [IMX8MP_POWER_DOMAIN_VPU_VC8000E] = { 1083 .genpd = { 1084 .name = "vpu-h1", 1085 }, 1086 .bits = { 1087 .pxx = IMX8MP_VPU_VC8K_Pxx_REQ, 1088 .map = IMX8MP_VPU_VC8000E_A53_DOMAIN, 1089 }, 1090 .pgc = BIT(IMX8MP_PGC_VPU_VC8000E), 1091 }, 1092 1093 [IMX8MP_POWER_DOMAIN_HDMIMIX] = { 1094 .genpd = { 1095 .name = "hdmimix", 1096 }, 1097 .bits = { 1098 .pxx = IMX8MP_HDMIMIX_Pxx_REQ, 1099 .map = IMX8MP_HDMIMIX_A53_DOMAIN, 1100 .hskreq = IMX8MP_HDMIMIX_PWRDNREQN, 1101 .hskack = IMX8MP_HDMIMIX_PWRDNACKN, 1102 }, 1103 .pgc = BIT(IMX8MP_PGC_HDMIMIX), 1104 .keep_clocks = true, 1105 }, 1106 1107 [IMX8MP_POWER_DOMAIN_HDMI_PHY] = { 1108 .genpd = { 1109 .name = "hdmi-phy", 1110 }, 1111 .bits = { 1112 .pxx = IMX8MP_HDMI_PHY_Pxx_REQ, 1113 .map = IMX8MP_HDMI_PHY_A53_DOMAIN, 1114 }, 1115 .pgc = BIT(IMX8MP_PGC_HDMI), 1116 }, 1117 1118 [IMX8MP_POWER_DOMAIN_MIPI_PHY2] = { 1119 .genpd = { 1120 .name = "mipi-phy2", 1121 }, 1122 .bits = { 1123 .pxx = IMX8MP_MIPI_PHY2_Pxx_REQ, 1124 .map = IMX8MP_MIPI_PHY2_A53_DOMAIN, 1125 }, 1126 .pgc = BIT(IMX8MP_PGC_MIPI2), 1127 }, 1128 1129 [IMX8MP_POWER_DOMAIN_HSIOMIX] = { 1130 .genpd = { 1131 .name = "hsiomix", 1132 }, 1133 .bits = { 1134 .pxx = IMX8MP_HSIOMIX_Pxx_REQ, 1135 .map = IMX8MP_HSIOMIX_A53_DOMAIN, 1136 .hskreq = IMX8MP_HSIOMIX_PWRDNREQN, 1137 .hskack = IMX8MP_HSIOMIX_PWRDNACKN, 1138 }, 1139 .pgc = BIT(IMX8MP_PGC_HSIOMIX), 1140 .keep_clocks = true, 1141 }, 1142 1143 [IMX8MP_POWER_DOMAIN_MEDIAMIX_ISPDWP] = { 1144 .genpd = { 1145 .name = "mediamix-isp-dwp", 1146 }, 1147 .bits = { 1148 .pxx = IMX8MP_MEDIA_ISP_DWP_Pxx_REQ, 1149 .map = IMX8MP_MEDIA_ISPDWP_A53_DOMAIN, 1150 }, 1151 .pgc = BIT(IMX8MP_PGC_MEDIA_ISP_DWP), 1152 }, 1153 }; 1154 1155 static const struct regmap_range imx8mp_yes_ranges[] = { 1156 regmap_reg_range(GPC_LPCR_A_CORE_BSC, 1157 IMX8MP_GPC_PGC_CPU_MAPPING), 1158 regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_NOC), 1159 GPC_PGC_SR(IMX8MP_PGC_NOC)), 1160 regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_MIPI1), 1161 GPC_PGC_SR(IMX8MP_PGC_MIPI1)), 1162 regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_PCIE), 1163 GPC_PGC_SR(IMX8MP_PGC_PCIE)), 1164 regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_USB1), 1165 GPC_PGC_SR(IMX8MP_PGC_USB1)), 1166 regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_USB2), 1167 GPC_PGC_SR(IMX8MP_PGC_USB2)), 1168 regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_MLMIX), 1169 GPC_PGC_SR(IMX8MP_PGC_MLMIX)), 1170 regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_AUDIOMIX), 1171 GPC_PGC_SR(IMX8MP_PGC_AUDIOMIX)), 1172 regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_GPU2D), 1173 GPC_PGC_SR(IMX8MP_PGC_GPU2D)), 1174 regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_GPUMIX), 1175 GPC_PGC_SR(IMX8MP_PGC_GPUMIX)), 1176 regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_VPUMIX), 1177 GPC_PGC_SR(IMX8MP_PGC_VPUMIX)), 1178 regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_GPU3D), 1179 GPC_PGC_SR(IMX8MP_PGC_GPU3D)), 1180 regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_MEDIAMIX), 1181 GPC_PGC_SR(IMX8MP_PGC_MEDIAMIX)), 1182 regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_VPU_G1), 1183 GPC_PGC_SR(IMX8MP_PGC_VPU_G1)), 1184 regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_VPU_G2), 1185 GPC_PGC_SR(IMX8MP_PGC_VPU_G2)), 1186 regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_VPU_VC8000E), 1187 GPC_PGC_SR(IMX8MP_PGC_VPU_VC8000E)), 1188 regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_HDMIMIX), 1189 GPC_PGC_SR(IMX8MP_PGC_HDMIMIX)), 1190 regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_HDMI), 1191 GPC_PGC_SR(IMX8MP_PGC_HDMI)), 1192 regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_MIPI2), 1193 GPC_PGC_SR(IMX8MP_PGC_MIPI2)), 1194 regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_HSIOMIX), 1195 GPC_PGC_SR(IMX8MP_PGC_HSIOMIX)), 1196 regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_MEDIA_ISP_DWP), 1197 GPC_PGC_SR(IMX8MP_PGC_MEDIA_ISP_DWP)), 1198 regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_DDRMIX), 1199 GPC_PGC_SR(IMX8MP_PGC_DDRMIX)), 1200 }; 1201 1202 static const struct regmap_access_table imx8mp_access_table = { 1203 .yes_ranges = imx8mp_yes_ranges, 1204 .n_yes_ranges = ARRAY_SIZE(imx8mp_yes_ranges), 1205 }; 1206 1207 static const struct imx_pgc_regs imx8mp_pgc_regs = { 1208 .map = IMX8MP_GPC_PGC_CPU_MAPPING, 1209 .pup = IMX8MP_GPC_PU_PGC_SW_PUP_REQ, 1210 .pdn = IMX8MP_GPC_PU_PGC_SW_PDN_REQ, 1211 .hsk = IMX8MP_GPC_PU_PWRHSK, 1212 }; 1213 static const struct imx_pgc_domain_data imx8mp_pgc_domain_data = { 1214 .domains = imx8mp_pgc_domains, 1215 .domains_num = ARRAY_SIZE(imx8mp_pgc_domains), 1216 .reg_access_table = &imx8mp_access_table, 1217 .pgc_regs = &imx8mp_pgc_regs, 1218 }; 1219 1220 static const struct imx_pgc_domain imx8mn_pgc_domains[] = { 1221 [IMX8MN_POWER_DOMAIN_HSIOMIX] = { 1222 .genpd = { 1223 .name = "hsiomix", 1224 }, 1225 .bits = { 1226 .pxx = 0, /* no power sequence control */ 1227 .map = 0, /* no power sequence control */ 1228 .hskreq = IMX8MN_HSIO_HSK_PWRDNREQN, 1229 .hskack = IMX8MN_HSIO_HSK_PWRDNACKN, 1230 }, 1231 .keep_clocks = true, 1232 }, 1233 1234 [IMX8MN_POWER_DOMAIN_OTG1] = { 1235 .genpd = { 1236 .name = "usb-otg1", 1237 .flags = GENPD_FLAG_ACTIVE_WAKEUP, 1238 }, 1239 .bits = { 1240 .pxx = IMX8MN_OTG1_SW_Pxx_REQ, 1241 .map = IMX8MN_OTG1_A53_DOMAIN, 1242 }, 1243 .pgc = BIT(IMX8MN_PGC_OTG1), 1244 }, 1245 1246 [IMX8MN_POWER_DOMAIN_GPUMIX] = { 1247 .genpd = { 1248 .name = "gpumix", 1249 }, 1250 .bits = { 1251 .pxx = IMX8MN_GPUMIX_SW_Pxx_REQ, 1252 .map = IMX8MN_GPUMIX_A53_DOMAIN, 1253 .hskreq = IMX8MN_GPUMIX_HSK_PWRDNREQN, 1254 .hskack = IMX8MN_GPUMIX_HSK_PWRDNACKN, 1255 }, 1256 .pgc = BIT(IMX8MN_PGC_GPUMIX), 1257 .keep_clocks = true, 1258 }, 1259 1260 [IMX8MN_POWER_DOMAIN_DISPMIX] = { 1261 .genpd = { 1262 .name = "dispmix", 1263 }, 1264 .bits = { 1265 .pxx = IMX8MN_DISPMIX_SW_Pxx_REQ, 1266 .map = IMX8MN_DISPMIX_A53_DOMAIN, 1267 .hskreq = IMX8MN_DISPMIX_HSK_PWRDNREQN, 1268 .hskack = IMX8MN_DISPMIX_HSK_PWRDNACKN, 1269 }, 1270 .pgc = BIT(IMX8MN_PGC_DISPMIX), 1271 .keep_clocks = true, 1272 }, 1273 1274 [IMX8MN_POWER_DOMAIN_MIPI] = { 1275 .genpd = { 1276 .name = "mipi", 1277 }, 1278 .bits = { 1279 .pxx = IMX8MN_MIPI_SW_Pxx_REQ, 1280 .map = IMX8MN_MIPI_A53_DOMAIN, 1281 }, 1282 .pgc = BIT(IMX8MN_PGC_MIPI), 1283 }, 1284 }; 1285 1286 static const struct regmap_range imx8mn_yes_ranges[] = { 1287 regmap_reg_range(GPC_LPCR_A_CORE_BSC, 1288 GPC_PU_PWRHSK), 1289 regmap_reg_range(GPC_PGC_CTRL(IMX8MN_PGC_MIPI), 1290 GPC_PGC_SR(IMX8MN_PGC_MIPI)), 1291 regmap_reg_range(GPC_PGC_CTRL(IMX8MN_PGC_OTG1), 1292 GPC_PGC_SR(IMX8MN_PGC_OTG1)), 1293 regmap_reg_range(GPC_PGC_CTRL(IMX8MN_PGC_DDR1), 1294 GPC_PGC_SR(IMX8MN_PGC_DDR1)), 1295 regmap_reg_range(GPC_PGC_CTRL(IMX8MN_PGC_GPUMIX), 1296 GPC_PGC_SR(IMX8MN_PGC_GPUMIX)), 1297 regmap_reg_range(GPC_PGC_CTRL(IMX8MN_PGC_DISPMIX), 1298 GPC_PGC_SR(IMX8MN_PGC_DISPMIX)), 1299 }; 1300 1301 static const struct regmap_access_table imx8mn_access_table = { 1302 .yes_ranges = imx8mn_yes_ranges, 1303 .n_yes_ranges = ARRAY_SIZE(imx8mn_yes_ranges), 1304 }; 1305 1306 static const struct imx_pgc_domain_data imx8mn_pgc_domain_data = { 1307 .domains = imx8mn_pgc_domains, 1308 .domains_num = ARRAY_SIZE(imx8mn_pgc_domains), 1309 .reg_access_table = &imx8mn_access_table, 1310 .pgc_regs = &imx7_pgc_regs, 1311 }; 1312 1313 static int imx_pgc_domain_probe(struct platform_device *pdev) 1314 { 1315 struct imx_pgc_domain *domain = pdev->dev.platform_data; 1316 int ret; 1317 1318 domain->dev = &pdev->dev; 1319 1320 domain->regulator = devm_regulator_get_optional(domain->dev, "power"); 1321 if (IS_ERR(domain->regulator)) { 1322 if (PTR_ERR(domain->regulator) != -ENODEV) 1323 return dev_err_probe(domain->dev, PTR_ERR(domain->regulator), 1324 "Failed to get domain's regulator\n"); 1325 } else if (domain->voltage) { 1326 regulator_set_voltage(domain->regulator, 1327 domain->voltage, domain->voltage); 1328 } 1329 1330 domain->num_clks = devm_clk_bulk_get_all(domain->dev, &domain->clks); 1331 if (domain->num_clks < 0) 1332 return dev_err_probe(domain->dev, domain->num_clks, 1333 "Failed to get domain's clocks\n"); 1334 1335 domain->reset = devm_reset_control_array_get_optional_exclusive(domain->dev); 1336 if (IS_ERR(domain->reset)) 1337 return dev_err_probe(domain->dev, PTR_ERR(domain->reset), 1338 "Failed to get domain's resets\n"); 1339 1340 pm_runtime_enable(domain->dev); 1341 1342 if (domain->bits.map) 1343 regmap_update_bits(domain->regmap, domain->regs->map, 1344 domain->bits.map, domain->bits.map); 1345 1346 ret = pm_genpd_init(&domain->genpd, NULL, true); 1347 if (ret) { 1348 dev_err(domain->dev, "Failed to init power domain\n"); 1349 goto out_domain_unmap; 1350 } 1351 1352 if (IS_ENABLED(CONFIG_LOCKDEP) && 1353 of_property_read_bool(domain->dev->of_node, "power-domains")) 1354 lockdep_set_subclass(&domain->genpd.mlock, 1); 1355 1356 ret = of_genpd_add_provider_simple(domain->dev->of_node, 1357 &domain->genpd); 1358 if (ret) { 1359 dev_err(domain->dev, "Failed to add genpd provider\n"); 1360 goto out_genpd_remove; 1361 } 1362 1363 return 0; 1364 1365 out_genpd_remove: 1366 pm_genpd_remove(&domain->genpd); 1367 out_domain_unmap: 1368 if (domain->bits.map) 1369 regmap_update_bits(domain->regmap, domain->regs->map, 1370 domain->bits.map, 0); 1371 pm_runtime_disable(domain->dev); 1372 1373 return ret; 1374 } 1375 1376 static void imx_pgc_domain_remove(struct platform_device *pdev) 1377 { 1378 struct imx_pgc_domain *domain = pdev->dev.platform_data; 1379 1380 of_genpd_del_provider(domain->dev->of_node); 1381 pm_genpd_remove(&domain->genpd); 1382 1383 if (domain->bits.map) 1384 regmap_update_bits(domain->regmap, domain->regs->map, 1385 domain->bits.map, 0); 1386 1387 pm_runtime_disable(domain->dev); 1388 } 1389 1390 #ifdef CONFIG_PM_SLEEP 1391 static int imx_pgc_domain_suspend(struct device *dev) 1392 { 1393 int ret; 1394 1395 /* 1396 * This may look strange, but is done so the generic PM_SLEEP code 1397 * can power down our domain and more importantly power it up again 1398 * after resume, without tripping over our usage of runtime PM to 1399 * power up/down the nested domains. 1400 */ 1401 ret = pm_runtime_get_sync(dev); 1402 if (ret < 0) { 1403 pm_runtime_put_noidle(dev); 1404 return ret; 1405 } 1406 1407 return 0; 1408 } 1409 1410 static int imx_pgc_domain_resume(struct device *dev) 1411 { 1412 return pm_runtime_put(dev); 1413 } 1414 #endif 1415 1416 static const struct dev_pm_ops imx_pgc_domain_pm_ops = { 1417 SET_SYSTEM_SLEEP_PM_OPS(imx_pgc_domain_suspend, imx_pgc_domain_resume) 1418 }; 1419 1420 static const struct platform_device_id imx_pgc_domain_id[] = { 1421 { "imx-pgc-domain", }, 1422 { }, 1423 }; 1424 1425 static struct platform_driver imx_pgc_domain_driver = { 1426 .driver = { 1427 .name = "imx-pgc", 1428 .pm = &imx_pgc_domain_pm_ops, 1429 }, 1430 .probe = imx_pgc_domain_probe, 1431 .remove_new = imx_pgc_domain_remove, 1432 .id_table = imx_pgc_domain_id, 1433 }; 1434 builtin_platform_driver(imx_pgc_domain_driver) 1435 1436 static int imx_gpcv2_probe(struct platform_device *pdev) 1437 { 1438 const struct imx_pgc_domain_data *domain_data = 1439 of_device_get_match_data(&pdev->dev); 1440 1441 struct regmap_config regmap_config = { 1442 .reg_bits = 32, 1443 .val_bits = 32, 1444 .reg_stride = 4, 1445 .rd_table = domain_data->reg_access_table, 1446 .wr_table = domain_data->reg_access_table, 1447 .max_register = SZ_4K, 1448 }; 1449 struct device *dev = &pdev->dev; 1450 struct device_node *pgc_np, *np; 1451 struct regmap *regmap; 1452 void __iomem *base; 1453 int ret; 1454 1455 pgc_np = of_get_child_by_name(dev->of_node, "pgc"); 1456 if (!pgc_np) { 1457 dev_err(dev, "No power domains specified in DT\n"); 1458 return -EINVAL; 1459 } 1460 1461 base = devm_platform_ioremap_resource(pdev, 0); 1462 if (IS_ERR(base)) 1463 return PTR_ERR(base); 1464 1465 regmap = devm_regmap_init_mmio(dev, base, ®map_config); 1466 if (IS_ERR(regmap)) { 1467 ret = PTR_ERR(regmap); 1468 dev_err(dev, "failed to init regmap (%d)\n", ret); 1469 return ret; 1470 } 1471 1472 for_each_child_of_node(pgc_np, np) { 1473 struct platform_device *pd_pdev; 1474 struct imx_pgc_domain *domain; 1475 u32 domain_index; 1476 1477 if (!of_device_is_available(np)) 1478 continue; 1479 1480 ret = of_property_read_u32(np, "reg", &domain_index); 1481 if (ret) { 1482 dev_err(dev, "Failed to read 'reg' property\n"); 1483 of_node_put(np); 1484 return ret; 1485 } 1486 1487 if (domain_index >= domain_data->domains_num) { 1488 dev_warn(dev, 1489 "Domain index %d is out of bounds\n", 1490 domain_index); 1491 continue; 1492 } 1493 1494 pd_pdev = platform_device_alloc("imx-pgc-domain", 1495 domain_index); 1496 if (!pd_pdev) { 1497 dev_err(dev, "Failed to allocate platform device\n"); 1498 of_node_put(np); 1499 return -ENOMEM; 1500 } 1501 1502 ret = platform_device_add_data(pd_pdev, 1503 &domain_data->domains[domain_index], 1504 sizeof(domain_data->domains[domain_index])); 1505 if (ret) { 1506 platform_device_put(pd_pdev); 1507 of_node_put(np); 1508 return ret; 1509 } 1510 1511 domain = pd_pdev->dev.platform_data; 1512 domain->regmap = regmap; 1513 domain->regs = domain_data->pgc_regs; 1514 1515 domain->genpd.power_on = imx_pgc_power_up; 1516 domain->genpd.power_off = imx_pgc_power_down; 1517 1518 pd_pdev->dev.parent = dev; 1519 device_set_node(&pd_pdev->dev, of_fwnode_handle(np)); 1520 1521 ret = platform_device_add(pd_pdev); 1522 if (ret) { 1523 platform_device_put(pd_pdev); 1524 of_node_put(np); 1525 return ret; 1526 } 1527 } 1528 1529 return 0; 1530 } 1531 1532 static const struct of_device_id imx_gpcv2_dt_ids[] = { 1533 { .compatible = "fsl,imx7d-gpc", .data = &imx7_pgc_domain_data, }, 1534 { .compatible = "fsl,imx8mm-gpc", .data = &imx8mm_pgc_domain_data, }, 1535 { .compatible = "fsl,imx8mn-gpc", .data = &imx8mn_pgc_domain_data, }, 1536 { .compatible = "fsl,imx8mp-gpc", .data = &imx8mp_pgc_domain_data, }, 1537 { .compatible = "fsl,imx8mq-gpc", .data = &imx8m_pgc_domain_data, }, 1538 { } 1539 }; 1540 1541 static struct platform_driver imx_gpc_driver = { 1542 .driver = { 1543 .name = "imx-gpcv2", 1544 .of_match_table = imx_gpcv2_dt_ids, 1545 }, 1546 .probe = imx_gpcv2_probe, 1547 }; 1548 builtin_platform_driver(imx_gpc_driver) 1549