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