1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Legacy platform_data quirks 4 * 5 * Copyright (C) 2013 Texas Instruments 6 */ 7 #include <linux/clk.h> 8 #include <linux/davinci_emac.h> 9 #include <linux/gpio.h> 10 #include <linux/init.h> 11 #include <linux/kernel.h> 12 #include <linux/of_platform.h> 13 #include <linux/wl12xx.h> 14 #include <linux/mmc/card.h> 15 #include <linux/mmc/host.h> 16 #include <linux/power/smartreflex.h> 17 #include <linux/regulator/machine.h> 18 #include <linux/regulator/fixed.h> 19 20 #include <linux/platform_data/pinctrl-single.h> 21 #include <linux/platform_data/hsmmc-omap.h> 22 #include <linux/platform_data/iommu-omap.h> 23 #include <linux/platform_data/ti-sysc.h> 24 #include <linux/platform_data/wkup_m3.h> 25 #include <linux/platform_data/asoc-ti-mcbsp.h> 26 #include <linux/platform_data/ti-prm.h> 27 28 #include "clockdomain.h" 29 #include "common.h" 30 #include "common-board-devices.h" 31 #include "control.h" 32 #include "omap_device.h" 33 #include "omap-secure.h" 34 #include "soc.h" 35 36 static struct omap_hsmmc_platform_data __maybe_unused mmc_pdata[2]; 37 38 struct pdata_init { 39 const char *compatible; 40 void (*fn)(void); 41 }; 42 43 static struct of_dev_auxdata omap_auxdata_lookup[]; 44 static struct twl4030_gpio_platform_data twl_gpio_auxdata; 45 46 #if IS_ENABLED(CONFIG_OMAP_IOMMU) 47 int omap_iommu_set_pwrdm_constraint(struct platform_device *pdev, bool request, 48 u8 *pwrst); 49 #else 50 static inline int omap_iommu_set_pwrdm_constraint(struct platform_device *pdev, 51 bool request, u8 *pwrst) 52 { 53 return 0; 54 } 55 #endif 56 57 #ifdef CONFIG_MACH_NOKIA_N8X0 58 static void __init omap2420_n8x0_legacy_init(void) 59 { 60 omap_auxdata_lookup[0].platform_data = n8x0_legacy_init(); 61 } 62 #else 63 #define omap2420_n8x0_legacy_init NULL 64 #endif 65 66 #ifdef CONFIG_ARCH_OMAP3 67 /* 68 * Configures GPIOs 126, 127 and 129 to 1.8V mode instead of 3.0V 69 * mode for MMC1 in case bootloader did not configure things. 70 * Note that if the pins are used for MMC1, pbias-regulator 71 * manages the IO voltage. 72 */ 73 static void __init omap3_gpio126_127_129(void) 74 { 75 u32 reg; 76 77 reg = omap_ctrl_readl(OMAP343X_CONTROL_PBIAS_LITE); 78 reg &= ~OMAP343X_PBIASLITEVMODE1; 79 reg |= OMAP343X_PBIASLITEPWRDNZ1; 80 omap_ctrl_writel(reg, OMAP343X_CONTROL_PBIAS_LITE); 81 if (cpu_is_omap3630()) { 82 reg = omap_ctrl_readl(OMAP34XX_CONTROL_WKUP_CTRL); 83 reg |= OMAP36XX_GPIO_IO_PWRDNZ; 84 omap_ctrl_writel(reg, OMAP34XX_CONTROL_WKUP_CTRL); 85 } 86 } 87 88 static void __init hsmmc2_internal_input_clk(void) 89 { 90 u32 reg; 91 92 reg = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1); 93 reg |= OMAP2_MMCSDIO2ADPCLKISEL; 94 omap_ctrl_writel(reg, OMAP343X_CONTROL_DEVCONF1); 95 } 96 97 static struct iommu_platform_data omap3_iommu_pdata = { 98 .reset_name = "mmu", 99 .assert_reset = omap_device_assert_hardreset, 100 .deassert_reset = omap_device_deassert_hardreset, 101 .device_enable = omap_device_enable, 102 .device_idle = omap_device_idle, 103 }; 104 105 static struct iommu_platform_data omap3_iommu_isp_pdata = { 106 .device_enable = omap_device_enable, 107 .device_idle = omap_device_idle, 108 }; 109 110 static int omap3_sbc_t3730_twl_callback(struct device *dev, 111 unsigned gpio, 112 unsigned ngpio) 113 { 114 int res; 115 116 res = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH, 117 "wlan pwr"); 118 if (res) 119 return res; 120 121 gpio_export(gpio, 0); 122 123 return 0; 124 } 125 126 static void __init omap3_sbc_t3x_usb_hub_init(int gpio, char *hub_name) 127 { 128 int err = gpio_request_one(gpio, GPIOF_OUT_INIT_LOW, hub_name); 129 130 if (err) { 131 pr_err("SBC-T3x: %s reset gpio request failed: %d\n", 132 hub_name, err); 133 return; 134 } 135 136 gpio_export(gpio, 0); 137 138 udelay(10); 139 gpio_set_value(gpio, 1); 140 msleep(1); 141 } 142 143 static void __init omap3_sbc_t3730_twl_init(void) 144 { 145 twl_gpio_auxdata.setup = omap3_sbc_t3730_twl_callback; 146 } 147 148 static void __init omap3_sbc_t3730_legacy_init(void) 149 { 150 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub"); 151 } 152 153 static void __init omap3_sbc_t3530_legacy_init(void) 154 { 155 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub"); 156 } 157 158 static void __init omap3_evm_legacy_init(void) 159 { 160 hsmmc2_internal_input_clk(); 161 } 162 163 static void am35xx_enable_emac_int(void) 164 { 165 u32 v; 166 167 v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); 168 v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR | 169 AM35XX_CPGMAC_C0_MISC_PULSE_CLR | AM35XX_CPGMAC_C0_RX_THRESH_CLR); 170 omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR); 171 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */ 172 } 173 174 static void am35xx_disable_emac_int(void) 175 { 176 u32 v; 177 178 v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); 179 v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR); 180 omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR); 181 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */ 182 } 183 184 static struct emac_platform_data am35xx_emac_pdata = { 185 .interrupt_enable = am35xx_enable_emac_int, 186 .interrupt_disable = am35xx_disable_emac_int, 187 }; 188 189 static void __init am35xx_emac_reset(void) 190 { 191 u32 v; 192 193 v = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); 194 v &= ~AM35XX_CPGMACSS_SW_RST; 195 omap_ctrl_writel(v, AM35XX_CONTROL_IP_SW_RESET); 196 omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); /* OCP barrier */ 197 } 198 199 static struct gpio cm_t3517_wlan_gpios[] __initdata = { 200 { 56, GPIOF_OUT_INIT_HIGH, "wlan pwr" }, 201 { 4, GPIOF_OUT_INIT_HIGH, "xcvr noe" }, 202 }; 203 204 static void __init omap3_sbc_t3517_wifi_init(void) 205 { 206 int err = gpio_request_array(cm_t3517_wlan_gpios, 207 ARRAY_SIZE(cm_t3517_wlan_gpios)); 208 if (err) { 209 pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err); 210 return; 211 } 212 213 gpio_export(cm_t3517_wlan_gpios[0].gpio, 0); 214 gpio_export(cm_t3517_wlan_gpios[1].gpio, 0); 215 216 msleep(100); 217 gpio_set_value(cm_t3517_wlan_gpios[1].gpio, 0); 218 } 219 220 static void __init omap3_sbc_t3517_legacy_init(void) 221 { 222 omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub"); 223 omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub"); 224 am35xx_emac_reset(); 225 hsmmc2_internal_input_clk(); 226 omap3_sbc_t3517_wifi_init(); 227 } 228 229 static void __init am3517_evm_legacy_init(void) 230 { 231 am35xx_emac_reset(); 232 } 233 234 static void __init nokia_n900_legacy_init(void) 235 { 236 hsmmc2_internal_input_clk(); 237 mmc_pdata[0].name = "external"; 238 mmc_pdata[1].name = "internal"; 239 240 if (omap_type() != OMAP2_DEVICE_TYPE_GP) { 241 if (IS_ENABLED(CONFIG_ARM_ERRATA_430973)) { 242 pr_info("RX-51: Enabling ARM errata 430973 workaround\n"); 243 /* set IBE to 1 */ 244 rx51_secure_update_aux_cr(BIT(6), 0); 245 } else { 246 pr_warn("RX-51: Not enabling ARM errata 430973 workaround\n"); 247 pr_warn("Thumb binaries may crash randomly without this workaround\n"); 248 } 249 } 250 } 251 252 static void __init omap3_tao3530_legacy_init(void) 253 { 254 hsmmc2_internal_input_clk(); 255 } 256 257 static void __init omap3_logicpd_torpedo_init(void) 258 { 259 omap3_gpio126_127_129(); 260 } 261 262 /* omap3pandora legacy devices */ 263 264 static struct platform_device pandora_backlight = { 265 .name = "pandora-backlight", 266 .id = -1, 267 }; 268 269 static void __init omap3_pandora_legacy_init(void) 270 { 271 platform_device_register(&pandora_backlight); 272 } 273 #endif /* CONFIG_ARCH_OMAP3 */ 274 275 #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX) 276 static struct wkup_m3_platform_data wkup_m3_data = { 277 .reset_name = "wkup_m3", 278 .assert_reset = omap_device_assert_hardreset, 279 .deassert_reset = omap_device_deassert_hardreset, 280 }; 281 #endif 282 283 #ifdef CONFIG_SOC_OMAP5 284 static void __init omap5_uevm_legacy_init(void) 285 { 286 } 287 #endif 288 289 #ifdef CONFIG_SOC_DRA7XX 290 static struct iommu_platform_data dra7_ipu1_dsp_iommu_pdata = { 291 .set_pwrdm_constraint = omap_iommu_set_pwrdm_constraint, 292 }; 293 294 static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc1; 295 static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc2; 296 static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc3; 297 298 static void __init dra7x_evm_mmc_quirk(void) 299 { 300 if (omap_rev() == DRA752_REV_ES1_1 || omap_rev() == DRA752_REV_ES1_0) { 301 dra7_hsmmc_data_mmc1.version = "rev11"; 302 dra7_hsmmc_data_mmc1.max_freq = 96000000; 303 304 dra7_hsmmc_data_mmc2.version = "rev11"; 305 dra7_hsmmc_data_mmc2.max_freq = 48000000; 306 307 dra7_hsmmc_data_mmc3.version = "rev11"; 308 dra7_hsmmc_data_mmc3.max_freq = 48000000; 309 } 310 } 311 #endif 312 313 static struct clockdomain *ti_sysc_find_one_clockdomain(struct clk *clk) 314 { 315 struct clk_hw *hw = __clk_get_hw(clk); 316 struct clockdomain *clkdm = NULL; 317 struct clk_hw_omap *hwclk; 318 319 hwclk = to_clk_hw_omap(hw); 320 if (!omap2_clk_is_hw_omap(hw)) 321 return NULL; 322 323 if (hwclk && hwclk->clkdm_name) 324 clkdm = clkdm_lookup(hwclk->clkdm_name); 325 326 return clkdm; 327 } 328 329 /** 330 * ti_sysc_clkdm_init - find clockdomain based on clock 331 * @fck: device functional clock 332 * @ick: device interface clock 333 * @dev: struct device 334 * 335 * Populate clockdomain based on clock. It is needed for 336 * clkdm_deny_idle() and clkdm_allow_idle() for blocking clockdomain 337 * clockdomain idle during reset, enable and idle. 338 * 339 * Note that we assume interconnect driver manages the clocks 340 * and do not need to populate oh->_clk for dynamically 341 * allocated modules. 342 */ 343 static int ti_sysc_clkdm_init(struct device *dev, 344 struct clk *fck, struct clk *ick, 345 struct ti_sysc_cookie *cookie) 346 { 347 if (!IS_ERR(fck)) 348 cookie->clkdm = ti_sysc_find_one_clockdomain(fck); 349 if (cookie->clkdm) 350 return 0; 351 if (!IS_ERR(ick)) 352 cookie->clkdm = ti_sysc_find_one_clockdomain(ick); 353 if (cookie->clkdm) 354 return 0; 355 356 return -ENODEV; 357 } 358 359 static void ti_sysc_clkdm_deny_idle(struct device *dev, 360 const struct ti_sysc_cookie *cookie) 361 { 362 if (cookie->clkdm) 363 clkdm_deny_idle(cookie->clkdm); 364 } 365 366 static void ti_sysc_clkdm_allow_idle(struct device *dev, 367 const struct ti_sysc_cookie *cookie) 368 { 369 if (cookie->clkdm) 370 clkdm_allow_idle(cookie->clkdm); 371 } 372 373 static int ti_sysc_enable_module(struct device *dev, 374 const struct ti_sysc_cookie *cookie) 375 { 376 if (!cookie->data) 377 return -EINVAL; 378 379 return omap_hwmod_enable(cookie->data); 380 } 381 382 static int ti_sysc_idle_module(struct device *dev, 383 const struct ti_sysc_cookie *cookie) 384 { 385 if (!cookie->data) 386 return -EINVAL; 387 388 return omap_hwmod_idle(cookie->data); 389 } 390 391 static int ti_sysc_shutdown_module(struct device *dev, 392 const struct ti_sysc_cookie *cookie) 393 { 394 if (!cookie->data) 395 return -EINVAL; 396 397 return omap_hwmod_shutdown(cookie->data); 398 } 399 400 static struct of_dev_auxdata omap_auxdata_lookup[]; 401 402 static struct ti_sysc_platform_data ti_sysc_pdata = { 403 .auxdata = omap_auxdata_lookup, 404 .init_clockdomain = ti_sysc_clkdm_init, 405 .clkdm_deny_idle = ti_sysc_clkdm_deny_idle, 406 .clkdm_allow_idle = ti_sysc_clkdm_allow_idle, 407 .init_module = omap_hwmod_init_module, 408 .enable_module = ti_sysc_enable_module, 409 .idle_module = ti_sysc_idle_module, 410 .shutdown_module = ti_sysc_shutdown_module, 411 }; 412 413 static struct pcs_pdata pcs_pdata; 414 415 void omap_pcs_legacy_init(int irq, void (*rearm)(void)) 416 { 417 pcs_pdata.irq = irq; 418 pcs_pdata.rearm = rearm; 419 } 420 421 static struct ti_prm_platform_data ti_prm_pdata = { 422 .clkdm_deny_idle = clkdm_deny_idle, 423 .clkdm_allow_idle = clkdm_allow_idle, 424 .clkdm_lookup = clkdm_lookup, 425 }; 426 427 /* 428 * GPIOs for TWL are initialized by the I2C bus and need custom 429 * handing until DSS has device tree bindings. 430 */ 431 void omap_auxdata_legacy_init(struct device *dev) 432 { 433 if (dev->platform_data) 434 return; 435 436 if (strcmp("twl4030-gpio", dev_name(dev))) 437 return; 438 439 dev->platform_data = &twl_gpio_auxdata; 440 } 441 442 #if IS_ENABLED(CONFIG_SND_SOC_OMAP_MCBSP) 443 static struct omap_mcbsp_platform_data mcbsp_pdata; 444 static void __init omap3_mcbsp_init(void) 445 { 446 omap3_mcbsp_init_pdata_callback(&mcbsp_pdata); 447 } 448 #else 449 static void __init omap3_mcbsp_init(void) {} 450 #endif 451 452 /* 453 * Few boards still need auxdata populated before we populate 454 * the dev entries in of_platform_populate(). 455 */ 456 static struct pdata_init auxdata_quirks[] __initdata = { 457 #ifdef CONFIG_SOC_OMAP2420 458 { "nokia,n800", omap2420_n8x0_legacy_init, }, 459 { "nokia,n810", omap2420_n8x0_legacy_init, }, 460 { "nokia,n810-wimax", omap2420_n8x0_legacy_init, }, 461 #endif 462 #ifdef CONFIG_ARCH_OMAP3 463 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init, }, 464 #endif 465 { /* sentinel */ }, 466 }; 467 468 struct omap_sr_data __maybe_unused omap_sr_pdata[OMAP_SR_NR]; 469 470 static struct of_dev_auxdata omap_auxdata_lookup[] = { 471 #ifdef CONFIG_MACH_NOKIA_N8X0 472 OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL), 473 OF_DEV_AUXDATA("menelaus", 0x72, "1-0072", &n8x0_menelaus_platform_data), 474 OF_DEV_AUXDATA("tlv320aic3x", 0x18, "2-0018", &n810_aic33_data), 475 #endif 476 #ifdef CONFIG_ARCH_OMAP3 477 OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu", 478 &omap3_iommu_pdata), 479 OF_DEV_AUXDATA("ti,omap2-iommu", 0x480bd400, "480bd400.mmu", 480 &omap3_iommu_isp_pdata), 481 OF_DEV_AUXDATA("ti,omap3-smartreflex-core", 0x480cb000, 482 "480cb000.smartreflex", &omap_sr_pdata[OMAP_SR_CORE]), 483 OF_DEV_AUXDATA("ti,omap3-smartreflex-mpu-iva", 0x480c9000, 484 "480c9000.smartreflex", &omap_sr_pdata[OMAP_SR_MPU]), 485 OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x4809c000, "4809c000.mmc", &mmc_pdata[0]), 486 OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x480b4000, "480b4000.mmc", &mmc_pdata[1]), 487 /* Only on am3517 */ 488 OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL), 489 OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0", 490 &am35xx_emac_pdata), 491 OF_DEV_AUXDATA("nokia,n900-rom-rng", 0, NULL, rx51_secure_rng_call), 492 /* McBSP modules with sidetone core */ 493 #if IS_ENABLED(CONFIG_SND_SOC_OMAP_MCBSP) 494 OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49022000, "49022000.mcbsp", &mcbsp_pdata), 495 OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49024000, "49024000.mcbsp", &mcbsp_pdata), 496 #endif 497 #endif 498 #ifdef CONFIG_SOC_AM33XX 499 OF_DEV_AUXDATA("ti,am3352-wkup-m3", 0x44d00000, "44d00000.wkup_m3", 500 &wkup_m3_data), 501 #endif 502 #ifdef CONFIG_SOC_AM43XX 503 OF_DEV_AUXDATA("ti,am4372-wkup-m3", 0x44d00000, "44d00000.wkup_m3", 504 &wkup_m3_data), 505 #endif 506 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) 507 OF_DEV_AUXDATA("ti,omap4-smartreflex-iva", 0x4a0db000, 508 "4a0db000.smartreflex", &omap_sr_pdata[OMAP_SR_IVA]), 509 OF_DEV_AUXDATA("ti,omap4-smartreflex-core", 0x4a0dd000, 510 "4a0dd000.smartreflex", &omap_sr_pdata[OMAP_SR_CORE]), 511 OF_DEV_AUXDATA("ti,omap4-smartreflex-mpu", 0x4a0d9000, 512 "4a0d9000.smartreflex", &omap_sr_pdata[OMAP_SR_MPU]), 513 #endif 514 #ifdef CONFIG_SOC_DRA7XX 515 OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x4809c000, "4809c000.mmc", 516 &dra7_hsmmc_data_mmc1), 517 OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x480b4000, "480b4000.mmc", 518 &dra7_hsmmc_data_mmc2), 519 OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x480ad000, "480ad000.mmc", 520 &dra7_hsmmc_data_mmc3), 521 OF_DEV_AUXDATA("ti,dra7-dsp-iommu", 0x40d01000, "40d01000.mmu", 522 &dra7_ipu1_dsp_iommu_pdata), 523 OF_DEV_AUXDATA("ti,dra7-dsp-iommu", 0x41501000, "41501000.mmu", 524 &dra7_ipu1_dsp_iommu_pdata), 525 OF_DEV_AUXDATA("ti,dra7-iommu", 0x58882000, "58882000.mmu", 526 &dra7_ipu1_dsp_iommu_pdata), 527 #endif 528 /* Common auxdata */ 529 OF_DEV_AUXDATA("ti,sysc", 0, NULL, &ti_sysc_pdata), 530 OF_DEV_AUXDATA("pinctrl-single", 0, NULL, &pcs_pdata), 531 OF_DEV_AUXDATA("ti,omap-prm-inst", 0, NULL, &ti_prm_pdata), 532 OF_DEV_AUXDATA("ti,omap-sdma", 0, NULL, &dma_plat_info), 533 { /* sentinel */ }, 534 }; 535 536 /* 537 * Few boards still need to initialize some legacy devices with 538 * platform data until the drivers support device tree. 539 */ 540 static struct pdata_init pdata_quirks[] __initdata = { 541 #ifdef CONFIG_ARCH_OMAP3 542 { "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init, }, 543 { "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init, }, 544 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init, }, 545 { "nokia,omap3-n900", nokia_n900_legacy_init, }, 546 { "nokia,omap3-n9", hsmmc2_internal_input_clk, }, 547 { "nokia,omap3-n950", hsmmc2_internal_input_clk, }, 548 { "logicpd,dm3730-torpedo-devkit", omap3_logicpd_torpedo_init, }, 549 { "ti,omap3-evm-37xx", omap3_evm_legacy_init, }, 550 { "ti,am3517-evm", am3517_evm_legacy_init, }, 551 { "technexion,omap3-tao3530", omap3_tao3530_legacy_init, }, 552 { "openpandora,omap3-pandora-600mhz", omap3_pandora_legacy_init, }, 553 { "openpandora,omap3-pandora-1ghz", omap3_pandora_legacy_init, }, 554 #endif 555 #ifdef CONFIG_SOC_OMAP5 556 { "ti,omap5-uevm", omap5_uevm_legacy_init, }, 557 #endif 558 #ifdef CONFIG_SOC_DRA7XX 559 { "ti,dra7-evm", dra7x_evm_mmc_quirk, }, 560 #endif 561 { /* sentinel */ }, 562 }; 563 564 static void pdata_quirks_check(struct pdata_init *quirks) 565 { 566 while (quirks->compatible) { 567 if (of_machine_is_compatible(quirks->compatible)) { 568 if (quirks->fn) 569 quirks->fn(); 570 } 571 quirks++; 572 } 573 } 574 575 void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table) 576 { 577 /* 578 * We still need this for omap2420 and omap3 PM to work, others are 579 * using drivers/misc/sram.c already. 580 */ 581 if (of_machine_is_compatible("ti,omap2420") || 582 of_machine_is_compatible("ti,omap3")) 583 omap_sdrc_init(NULL, NULL); 584 585 if (of_machine_is_compatible("ti,omap3")) 586 omap3_mcbsp_init(); 587 pdata_quirks_check(auxdata_quirks); 588 of_platform_populate(NULL, omap_dt_match_table, 589 omap_auxdata_lookup, NULL); 590 pdata_quirks_check(pdata_quirks); 591 } 592