arch/arm/mach-omap2/pdata-quirks.c

   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 bool ti_sysc_soc_type_gp(void)
 401 {
 402         return omap_type() == OMAP2_DEVICE_TYPE_GP;
 403 }
 404
 405 static struct of_dev_auxdata omap_auxdata_lookup[];
 406
 407 static struct ti_sysc_platform_data ti_sysc_pdata = {
 408         .auxdata = omap_auxdata_lookup,
 409         .soc_type_gp = ti_sysc_soc_type_gp,
 410         .init_clockdomain = ti_sysc_clkdm_init,
 411         .clkdm_deny_idle = ti_sysc_clkdm_deny_idle,
 412         .clkdm_allow_idle = ti_sysc_clkdm_allow_idle,
 413         .init_module = omap_hwmod_init_module,
 414         .enable_module = ti_sysc_enable_module,
 415         .idle_module = ti_sysc_idle_module,
 416         .shutdown_module = ti_sysc_shutdown_module,
 417 };
 418
 419 static struct pcs_pdata pcs_pdata;
 420
 421 void omap_pcs_legacy_init(int irq, void (*rearm)(void))
 422 {
 423         pcs_pdata.irq = irq;
 424         pcs_pdata.rearm = rearm;
 425 }
 426
 427 static struct ti_prm_platform_data ti_prm_pdata = {
 428         .clkdm_deny_idle = clkdm_deny_idle,
 429         .clkdm_allow_idle = clkdm_allow_idle,
 430         .clkdm_lookup = clkdm_lookup,
 431 };
 432
 433 /*
 434  * GPIOs for TWL are initialized by the I2C bus and need custom
 435  * handing until DSS has device tree bindings.
 436  */
 437 void omap_auxdata_legacy_init(struct device *dev)
 438 {
 439         if (dev->platform_data)
 440                 return;
 441
 442         if (strcmp("twl4030-gpio", dev_name(dev)))
 443                 return;
 444
 445         dev->platform_data = &twl_gpio_auxdata;
 446 }
 447
 448 #if IS_ENABLED(CONFIG_SND_SOC_OMAP_MCBSP)
 449 static struct omap_mcbsp_platform_data mcbsp_pdata;
 450 static void __init omap3_mcbsp_init(void)
 451 {
 452         omap3_mcbsp_init_pdata_callback(&mcbsp_pdata);
 453 }
 454 #else
 455 static void __init omap3_mcbsp_init(void) {}
 456 #endif
 457
 458 /*
 459  * Few boards still need auxdata populated before we populate
 460  * the dev entries in of_platform_populate().
 461  */
 462 static struct pdata_init auxdata_quirks[] __initdata = {
 463 #ifdef CONFIG_SOC_OMAP2420
 464         { "nokia,n800", omap2420_n8x0_legacy_init, },
 465         { "nokia,n810", omap2420_n8x0_legacy_init, },
 466         { "nokia,n810-wimax", omap2420_n8x0_legacy_init, },
 467 #endif
 468 #ifdef CONFIG_ARCH_OMAP3
 469         { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init, },
 470 #endif
 471         { /* sentinel */ },
 472 };
 473
 474 struct omap_sr_data __maybe_unused omap_sr_pdata[OMAP_SR_NR];
 475
 476 static struct of_dev_auxdata omap_auxdata_lookup[] = {
 477 #ifdef CONFIG_MACH_NOKIA_N8X0
 478         OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL),
 479         OF_DEV_AUXDATA("menelaus", 0x72, "1-0072", &n8x0_menelaus_platform_data),
 480         OF_DEV_AUXDATA("tlv320aic3x", 0x18, "2-0018", &n810_aic33_data),
 481 #endif
 482 #ifdef CONFIG_ARCH_OMAP3
 483         OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
 484                        &omap3_iommu_pdata),
 485         OF_DEV_AUXDATA("ti,omap2-iommu", 0x480bd400, "480bd400.mmu",
 486                        &omap3_iommu_isp_pdata),
 487         OF_DEV_AUXDATA("ti,omap3-smartreflex-core", 0x480cb000,
 488                        "480cb000.smartreflex", &omap_sr_pdata[OMAP_SR_CORE]),
 489         OF_DEV_AUXDATA("ti,omap3-smartreflex-mpu-iva", 0x480c9000,
 490                        "480c9000.smartreflex", &omap_sr_pdata[OMAP_SR_MPU]),
 491         OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x4809c000, "4809c000.mmc", &mmc_pdata[0]),
 492         OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x480b4000, "480b4000.mmc", &mmc_pdata[1]),
 493         /* Only on am3517 */
 494         OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL),
 495         OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
 496                        &am35xx_emac_pdata),
 497         OF_DEV_AUXDATA("nokia,n900-rom-rng", 0, NULL, rx51_secure_rng_call),
 498         /* McBSP modules with sidetone core */
 499 #if IS_ENABLED(CONFIG_SND_SOC_OMAP_MCBSP)
 500         OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49022000, "49022000.mcbsp", &mcbsp_pdata),
 501         OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49024000, "49024000.mcbsp", &mcbsp_pdata),
 502 #endif
 503 #endif
 504 #ifdef CONFIG_SOC_AM33XX
 505         OF_DEV_AUXDATA("ti,am3352-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
 506                        &wkup_m3_data),
 507 #endif
 508 #ifdef CONFIG_SOC_AM43XX
 509         OF_DEV_AUXDATA("ti,am4372-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
 510                        &wkup_m3_data),
 511 #endif
 512 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
 513         OF_DEV_AUXDATA("ti,omap4-smartreflex-iva", 0x4a0db000,
 514                        "4a0db000.smartreflex", &omap_sr_pdata[OMAP_SR_IVA]),
 515         OF_DEV_AUXDATA("ti,omap4-smartreflex-core", 0x4a0dd000,
 516                        "4a0dd000.smartreflex", &omap_sr_pdata[OMAP_SR_CORE]),
 517         OF_DEV_AUXDATA("ti,omap4-smartreflex-mpu", 0x4a0d9000,
 518                        "4a0d9000.smartreflex", &omap_sr_pdata[OMAP_SR_MPU]),
 519 #endif
 520 #ifdef CONFIG_SOC_DRA7XX
 521         OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x4809c000, "4809c000.mmc",
 522                        &dra7_hsmmc_data_mmc1),
 523         OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x480b4000, "480b4000.mmc",
 524                        &dra7_hsmmc_data_mmc2),
 525         OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x480ad000, "480ad000.mmc",
 526                        &dra7_hsmmc_data_mmc3),
 527         OF_DEV_AUXDATA("ti,dra7-dsp-iommu", 0x40d01000, "40d01000.mmu",
 528                        &dra7_ipu1_dsp_iommu_pdata),
 529         OF_DEV_AUXDATA("ti,dra7-dsp-iommu", 0x41501000, "41501000.mmu",
 530                        &dra7_ipu1_dsp_iommu_pdata),
 531         OF_DEV_AUXDATA("ti,dra7-iommu", 0x58882000, "58882000.mmu",
 532                        &dra7_ipu1_dsp_iommu_pdata),
 533 #endif
 534         /* Common auxdata */
 535         OF_DEV_AUXDATA("ti,sysc", 0, NULL, &ti_sysc_pdata),
 536         OF_DEV_AUXDATA("pinctrl-single", 0, NULL, &pcs_pdata),
 537         OF_DEV_AUXDATA("ti,omap-prm-inst", 0, NULL, &ti_prm_pdata),
 538         OF_DEV_AUXDATA("ti,omap-sdma", 0, NULL, &dma_plat_info),
 539         { /* sentinel */ },
 540 };
 541
 542 /*
 543  * Few boards still need to initialize some legacy devices with
 544  * platform data until the drivers support device tree.
 545  */
 546 static struct pdata_init pdata_quirks[] __initdata = {
 547 #ifdef CONFIG_ARCH_OMAP3
 548         { "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init, },
 549         { "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init, },
 550         { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init, },
 551         { "nokia,omap3-n900", nokia_n900_legacy_init, },
 552         { "nokia,omap3-n9", hsmmc2_internal_input_clk, },
 553         { "nokia,omap3-n950", hsmmc2_internal_input_clk, },
 554         { "logicpd,dm3730-torpedo-devkit", omap3_logicpd_torpedo_init, },
 555         { "ti,omap3-evm-37xx", omap3_evm_legacy_init, },
 556         { "ti,am3517-evm", am3517_evm_legacy_init, },
 557         { "technexion,omap3-tao3530", omap3_tao3530_legacy_init, },
 558         { "openpandora,omap3-pandora-600mhz", omap3_pandora_legacy_init, },
 559         { "openpandora,omap3-pandora-1ghz", omap3_pandora_legacy_init, },
 560 #endif
 561 #ifdef CONFIG_SOC_OMAP5
 562         { "ti,omap5-uevm", omap5_uevm_legacy_init, },
 563 #endif
 564 #ifdef CONFIG_SOC_DRA7XX
 565         { "ti,dra7-evm", dra7x_evm_mmc_quirk, },
 566 #endif
 567         { /* sentinel */ },
 568 };
 569
 570 static void pdata_quirks_check(struct pdata_init *quirks)
 571 {
 572         while (quirks->compatible) {
 573                 if (of_machine_is_compatible(quirks->compatible)) {
 574                         if (quirks->fn)
 575                                 quirks->fn();
 576                 }
 577                 quirks++;
 578         }
 579 }
 580
 581 void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table)
 582 {
 583         struct device_node *np;
 584
 585         /*
 586          * We still need this for omap2420 and omap3 PM to work, others are
 587          * using drivers/misc/sram.c already.
 588          */
 589         if (of_machine_is_compatible("ti,omap2420") ||
 590             of_machine_is_compatible("ti,omap3"))
 591                 omap_sdrc_init(NULL, NULL);
 592
 593         if (of_machine_is_compatible("ti,omap3"))
 594                 omap3_mcbsp_init();
 595         pdata_quirks_check(auxdata_quirks);
 596
 597         /* Populate always-on PRCM in l4_wkup to probe l4_wkup */
 598         np = of_find_node_by_name(NULL, "prcm");
 599         if (!np)
 600                 np = of_find_node_by_name(NULL, "prm");
 601         if (np)
 602                 of_platform_populate(np, omap_dt_match_table,
 603                                      omap_auxdata_lookup, NULL);
 604
 605         of_platform_populate(NULL, omap_dt_match_table,
 606                              omap_auxdata_lookup, NULL);
 607         pdata_quirks_check(pdata_quirks);
 608 }