Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 1 | /* |
| 2 | * linux/arch/arm/mach-omap2/mmc-twl4030.c |
| 3 | * |
| 4 | * Copyright (C) 2007-2008 Texas Instruments |
| 5 | * Copyright (C) 2008 Nokia Corporation |
| 6 | * Author: Texas Instruments |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License version 2 as |
| 10 | * published by the Free Software Foundation. |
| 11 | */ |
| 12 | #include <linux/err.h> |
| 13 | #include <linux/io.h> |
| 14 | #include <linux/module.h> |
| 15 | #include <linux/platform_device.h> |
| 16 | #include <linux/interrupt.h> |
| 17 | #include <linux/delay.h> |
| 18 | #include <linux/gpio.h> |
| 19 | #include <linux/i2c/twl4030.h> |
David Brownell | 01971f6 | 2009-03-23 18:23:47 -0700 | [diff] [blame] | 20 | #include <linux/regulator/machine.h> |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 21 | |
| 22 | #include <mach/hardware.h> |
| 23 | #include <mach/control.h> |
| 24 | #include <mach/mmc.h> |
| 25 | #include <mach/board.h> |
| 26 | |
| 27 | #include "mmc-twl4030.h" |
| 28 | |
| 29 | #if defined(CONFIG_TWL4030_CORE) && \ |
| 30 | (defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE)) |
| 31 | |
| 32 | #define LDO_CLR 0x00 |
| 33 | #define VSEL_S2_CLR 0x40 |
| 34 | |
| 35 | #define VMMC1_DEV_GRP 0x27 |
| 36 | #define VMMC1_CLR 0x00 |
| 37 | #define VMMC1_315V 0x03 |
| 38 | #define VMMC1_300V 0x02 |
| 39 | #define VMMC1_285V 0x01 |
| 40 | #define VMMC1_185V 0x00 |
| 41 | #define VMMC1_DEDICATED 0x2A |
| 42 | |
| 43 | #define VMMC2_DEV_GRP 0x2B |
| 44 | #define VMMC2_CLR 0x40 |
| 45 | #define VMMC2_315V 0x0c |
| 46 | #define VMMC2_300V 0x0b |
| 47 | #define VMMC2_285V 0x0a |
David Brownell | 0329c37 | 2009-03-23 18:23:47 -0700 | [diff] [blame] | 48 | #define VMMC2_280V 0x09 |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 49 | #define VMMC2_260V 0x08 |
| 50 | #define VMMC2_185V 0x06 |
| 51 | #define VMMC2_DEDICATED 0x2E |
| 52 | |
| 53 | #define VMMC_DEV_GRP_P1 0x20 |
| 54 | |
| 55 | static u16 control_pbias_offset; |
| 56 | static u16 control_devconf1_offset; |
| 57 | |
| 58 | #define HSMMC_NAME_LEN 9 |
| 59 | |
| 60 | static struct twl_mmc_controller { |
| 61 | struct omap_mmc_platform_data *mmc; |
| 62 | u8 twl_vmmc_dev_grp; |
| 63 | u8 twl_mmc_dedicated; |
Adrian Hunter | 8466032 | 2009-03-23 18:23:46 -0700 | [diff] [blame] | 64 | char name[HSMMC_NAME_LEN + 1]; |
Grazvydas Ignotas | 07d83cc | 2009-03-23 18:23:47 -0700 | [diff] [blame] | 65 | } hsmmc[OMAP34XX_NR_MMC] = { |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 66 | { |
| 67 | .twl_vmmc_dev_grp = VMMC1_DEV_GRP, |
| 68 | .twl_mmc_dedicated = VMMC1_DEDICATED, |
| 69 | }, |
| 70 | { |
| 71 | .twl_vmmc_dev_grp = VMMC2_DEV_GRP, |
| 72 | .twl_mmc_dedicated = VMMC2_DEDICATED, |
| 73 | }, |
| 74 | }; |
| 75 | |
| 76 | static int twl_mmc_card_detect(int irq) |
| 77 | { |
| 78 | unsigned i; |
| 79 | |
| 80 | for (i = 0; i < ARRAY_SIZE(hsmmc); i++) { |
| 81 | struct omap_mmc_platform_data *mmc; |
| 82 | |
| 83 | mmc = hsmmc[i].mmc; |
| 84 | if (!mmc) |
| 85 | continue; |
| 86 | if (irq != mmc->slots[0].card_detect_irq) |
| 87 | continue; |
| 88 | |
| 89 | /* NOTE: assumes card detect signal is active-low */ |
| 90 | return !gpio_get_value_cansleep(mmc->slots[0].switch_pin); |
| 91 | } |
| 92 | return -ENOSYS; |
| 93 | } |
| 94 | |
| 95 | static int twl_mmc_get_ro(struct device *dev, int slot) |
| 96 | { |
| 97 | struct omap_mmc_platform_data *mmc = dev->platform_data; |
| 98 | |
| 99 | /* NOTE: assumes write protect signal is active-high */ |
| 100 | return gpio_get_value_cansleep(mmc->slots[0].gpio_wp); |
| 101 | } |
| 102 | |
| 103 | /* |
| 104 | * MMC Slot Initialization. |
| 105 | */ |
| 106 | static int twl_mmc_late_init(struct device *dev) |
| 107 | { |
| 108 | struct omap_mmc_platform_data *mmc = dev->platform_data; |
| 109 | int ret = 0; |
| 110 | int i; |
| 111 | |
| 112 | ret = gpio_request(mmc->slots[0].switch_pin, "mmc_cd"); |
| 113 | if (ret) |
| 114 | goto done; |
| 115 | ret = gpio_direction_input(mmc->slots[0].switch_pin); |
| 116 | if (ret) |
| 117 | goto err; |
| 118 | |
| 119 | for (i = 0; i < ARRAY_SIZE(hsmmc); i++) { |
| 120 | if (hsmmc[i].name == mmc->slots[0].name) { |
| 121 | hsmmc[i].mmc = mmc; |
| 122 | break; |
| 123 | } |
| 124 | } |
| 125 | |
| 126 | return 0; |
| 127 | |
| 128 | err: |
| 129 | gpio_free(mmc->slots[0].switch_pin); |
| 130 | done: |
| 131 | mmc->slots[0].card_detect_irq = 0; |
| 132 | mmc->slots[0].card_detect = NULL; |
| 133 | |
| 134 | dev_err(dev, "err %d configuring card detect\n", ret); |
| 135 | return ret; |
| 136 | } |
| 137 | |
| 138 | static void twl_mmc_cleanup(struct device *dev) |
| 139 | { |
| 140 | struct omap_mmc_platform_data *mmc = dev->platform_data; |
| 141 | |
| 142 | gpio_free(mmc->slots[0].switch_pin); |
| 143 | } |
| 144 | |
| 145 | #ifdef CONFIG_PM |
| 146 | |
| 147 | static int twl_mmc_suspend(struct device *dev, int slot) |
| 148 | { |
| 149 | struct omap_mmc_platform_data *mmc = dev->platform_data; |
| 150 | |
| 151 | disable_irq(mmc->slots[0].card_detect_irq); |
| 152 | return 0; |
| 153 | } |
| 154 | |
| 155 | static int twl_mmc_resume(struct device *dev, int slot) |
| 156 | { |
| 157 | struct omap_mmc_platform_data *mmc = dev->platform_data; |
| 158 | |
| 159 | enable_irq(mmc->slots[0].card_detect_irq); |
| 160 | return 0; |
| 161 | } |
| 162 | |
| 163 | #else |
| 164 | #define twl_mmc_suspend NULL |
| 165 | #define twl_mmc_resume NULL |
| 166 | #endif |
| 167 | |
| 168 | /* |
| 169 | * Sets the MMC voltage in twl4030 |
| 170 | */ |
David Brownell | 0329c37 | 2009-03-23 18:23:47 -0700 | [diff] [blame] | 171 | |
| 172 | #define MMC1_OCR (MMC_VDD_165_195 \ |
| 173 | |MMC_VDD_28_29|MMC_VDD_29_30|MMC_VDD_30_31|MMC_VDD_31_32) |
| 174 | #define MMC2_OCR (MMC_VDD_165_195 \ |
| 175 | |MMC_VDD_25_26|MMC_VDD_26_27|MMC_VDD_27_28 \ |
| 176 | |MMC_VDD_28_29|MMC_VDD_29_30|MMC_VDD_30_31|MMC_VDD_31_32) |
| 177 | |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 178 | static int twl_mmc_set_voltage(struct twl_mmc_controller *c, int vdd) |
| 179 | { |
| 180 | int ret; |
David Brownell | 034ae7b | 2009-03-23 18:23:48 -0700 | [diff] [blame^] | 181 | u8 vmmc = 0, dev_grp_val; |
| 182 | |
| 183 | if (!vdd) |
| 184 | goto doit; |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 185 | |
David Brownell | 0329c37 | 2009-03-23 18:23:47 -0700 | [diff] [blame] | 186 | if (c->twl_vmmc_dev_grp == VMMC1_DEV_GRP) { |
| 187 | /* VMMC1: max 220 mA. And for 8-bit mode, |
| 188 | * VSIM: max 50 mA |
| 189 | */ |
| 190 | switch (1 << vdd) { |
| 191 | case MMC_VDD_165_195: |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 192 | vmmc = VMMC1_185V; |
David Brownell | 0329c37 | 2009-03-23 18:23:47 -0700 | [diff] [blame] | 193 | /* and VSIM_180V */ |
| 194 | break; |
| 195 | case MMC_VDD_28_29: |
| 196 | vmmc = VMMC1_285V; |
| 197 | /* and VSIM_280V */ |
| 198 | break; |
| 199 | case MMC_VDD_29_30: |
| 200 | case MMC_VDD_30_31: |
| 201 | vmmc = VMMC1_300V; |
| 202 | /* and VSIM_300V */ |
| 203 | break; |
| 204 | case MMC_VDD_31_32: |
| 205 | vmmc = VMMC1_315V; |
| 206 | /* error if VSIM needed */ |
| 207 | break; |
| 208 | default: |
David Brownell | 034ae7b | 2009-03-23 18:23:48 -0700 | [diff] [blame^] | 209 | return -EINVAL; |
David Brownell | 0329c37 | 2009-03-23 18:23:47 -0700 | [diff] [blame] | 210 | } |
| 211 | } else if (c->twl_vmmc_dev_grp == VMMC2_DEV_GRP) { |
| 212 | /* VMMC2: max 100 mA */ |
| 213 | switch (1 << vdd) { |
| 214 | case MMC_VDD_165_195: |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 215 | vmmc = VMMC2_185V; |
David Brownell | 0329c37 | 2009-03-23 18:23:47 -0700 | [diff] [blame] | 216 | break; |
| 217 | case MMC_VDD_25_26: |
| 218 | case MMC_VDD_26_27: |
| 219 | vmmc = VMMC2_260V; |
| 220 | break; |
| 221 | case MMC_VDD_27_28: |
| 222 | vmmc = VMMC2_280V; |
| 223 | break; |
| 224 | case MMC_VDD_28_29: |
| 225 | vmmc = VMMC2_285V; |
| 226 | break; |
| 227 | case MMC_VDD_29_30: |
| 228 | case MMC_VDD_30_31: |
| 229 | vmmc = VMMC2_300V; |
| 230 | break; |
| 231 | case MMC_VDD_31_32: |
| 232 | vmmc = VMMC2_315V; |
| 233 | break; |
| 234 | default: |
David Brownell | 034ae7b | 2009-03-23 18:23:48 -0700 | [diff] [blame^] | 235 | return -EINVAL; |
David Brownell | 0329c37 | 2009-03-23 18:23:47 -0700 | [diff] [blame] | 236 | } |
| 237 | } else { |
David Brownell | 034ae7b | 2009-03-23 18:23:48 -0700 | [diff] [blame^] | 238 | return -EINVAL; |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 239 | } |
| 240 | |
David Brownell | 034ae7b | 2009-03-23 18:23:48 -0700 | [diff] [blame^] | 241 | doit: |
| 242 | if (vdd) |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 243 | dev_grp_val = VMMC_DEV_GRP_P1; /* Power up */ |
| 244 | else |
| 245 | dev_grp_val = LDO_CLR; /* Power down */ |
| 246 | |
| 247 | ret = twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, |
| 248 | dev_grp_val, c->twl_vmmc_dev_grp); |
David Brownell | 034ae7b | 2009-03-23 18:23:48 -0700 | [diff] [blame^] | 249 | if (ret || !vdd) |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 250 | return ret; |
| 251 | |
| 252 | ret = twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, |
| 253 | vmmc, c->twl_mmc_dedicated); |
| 254 | |
| 255 | return ret; |
| 256 | } |
| 257 | |
| 258 | static int twl_mmc1_set_power(struct device *dev, int slot, int power_on, |
| 259 | int vdd) |
| 260 | { |
| 261 | u32 reg; |
| 262 | int ret = 0; |
| 263 | struct twl_mmc_controller *c = &hsmmc[0]; |
| 264 | struct omap_mmc_platform_data *mmc = dev->platform_data; |
| 265 | |
David Brownell | 0329c37 | 2009-03-23 18:23:47 -0700 | [diff] [blame] | 266 | /* |
| 267 | * Assume we power both OMAP VMMC1 (for CMD, CLK, DAT0..3) and the |
| 268 | * card using the same TWL VMMC1 supply (hsmmc[0]); OMAP has both |
| 269 | * 1.8V and 3.0V modes, controlled by the PBIAS register. |
| 270 | * |
| 271 | * In 8-bit modes, OMAP VMMC1A (for DAT4..7) needs a supply, which |
| 272 | * is most naturally TWL VSIM; those pins also use PBIAS. |
| 273 | */ |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 274 | if (power_on) { |
| 275 | if (cpu_is_omap2430()) { |
| 276 | reg = omap_ctrl_readl(OMAP243X_CONTROL_DEVCONF1); |
| 277 | if ((1 << vdd) >= MMC_VDD_30_31) |
| 278 | reg |= OMAP243X_MMC1_ACTIVE_OVERWRITE; |
| 279 | else |
| 280 | reg &= ~OMAP243X_MMC1_ACTIVE_OVERWRITE; |
| 281 | omap_ctrl_writel(reg, OMAP243X_CONTROL_DEVCONF1); |
| 282 | } |
| 283 | |
| 284 | if (mmc->slots[0].internal_clock) { |
| 285 | reg = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0); |
| 286 | reg |= OMAP2_MMCSDIO1ADPCLKISEL; |
| 287 | omap_ctrl_writel(reg, OMAP2_CONTROL_DEVCONF0); |
| 288 | } |
| 289 | |
| 290 | reg = omap_ctrl_readl(control_pbias_offset); |
| 291 | reg |= OMAP2_PBIASSPEEDCTRL0; |
| 292 | reg &= ~OMAP2_PBIASLITEPWRDNZ0; |
| 293 | omap_ctrl_writel(reg, control_pbias_offset); |
| 294 | |
| 295 | ret = twl_mmc_set_voltage(c, vdd); |
| 296 | |
| 297 | /* 100ms delay required for PBIAS configuration */ |
| 298 | msleep(100); |
| 299 | reg = omap_ctrl_readl(control_pbias_offset); |
| 300 | reg |= (OMAP2_PBIASLITEPWRDNZ0 | OMAP2_PBIASSPEEDCTRL0); |
| 301 | if ((1 << vdd) <= MMC_VDD_165_195) |
| 302 | reg &= ~OMAP2_PBIASLITEVMODE0; |
| 303 | else |
| 304 | reg |= OMAP2_PBIASLITEVMODE0; |
| 305 | omap_ctrl_writel(reg, control_pbias_offset); |
| 306 | } else { |
| 307 | reg = omap_ctrl_readl(control_pbias_offset); |
| 308 | reg &= ~OMAP2_PBIASLITEPWRDNZ0; |
| 309 | omap_ctrl_writel(reg, control_pbias_offset); |
| 310 | |
| 311 | ret = twl_mmc_set_voltage(c, 0); |
| 312 | |
| 313 | /* 100ms delay required for PBIAS configuration */ |
| 314 | msleep(100); |
| 315 | reg = omap_ctrl_readl(control_pbias_offset); |
| 316 | reg |= (OMAP2_PBIASSPEEDCTRL0 | OMAP2_PBIASLITEPWRDNZ0 | |
| 317 | OMAP2_PBIASLITEVMODE0); |
| 318 | omap_ctrl_writel(reg, control_pbias_offset); |
| 319 | } |
| 320 | |
| 321 | return ret; |
| 322 | } |
| 323 | |
| 324 | static int twl_mmc2_set_power(struct device *dev, int slot, int power_on, int vdd) |
| 325 | { |
| 326 | int ret; |
| 327 | struct twl_mmc_controller *c = &hsmmc[1]; |
| 328 | struct omap_mmc_platform_data *mmc = dev->platform_data; |
| 329 | |
David Brownell | 0329c37 | 2009-03-23 18:23:47 -0700 | [diff] [blame] | 330 | /* |
| 331 | * Assume TWL VMMC2 (hsmmc[1]) is used only to power the card ... OMAP |
| 332 | * VDDS is used to power the pins, optionally with a transceiver to |
| 333 | * support cards using voltages other than VDDS (1.8V nominal). When a |
| 334 | * transceiver is used, DAT3..7 are muxed as transceiver control pins. |
| 335 | */ |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 336 | if (power_on) { |
| 337 | if (mmc->slots[0].internal_clock) { |
| 338 | u32 reg; |
| 339 | |
| 340 | reg = omap_ctrl_readl(control_devconf1_offset); |
| 341 | reg |= OMAP2_MMCSDIO2ADPCLKISEL; |
| 342 | omap_ctrl_writel(reg, control_devconf1_offset); |
| 343 | } |
| 344 | ret = twl_mmc_set_voltage(c, vdd); |
| 345 | } else { |
| 346 | ret = twl_mmc_set_voltage(c, 0); |
| 347 | } |
| 348 | |
| 349 | return ret; |
| 350 | } |
| 351 | |
Grazvydas Ignotas | 07d83cc | 2009-03-23 18:23:47 -0700 | [diff] [blame] | 352 | static int twl_mmc3_set_power(struct device *dev, int slot, int power_on, |
| 353 | int vdd) |
| 354 | { |
| 355 | /* |
| 356 | * Assume MMC3 has self-powered device connected, for example on-board |
| 357 | * chip with external power source. |
| 358 | */ |
| 359 | return 0; |
| 360 | } |
| 361 | |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 362 | static struct omap_mmc_platform_data *hsmmc_data[OMAP34XX_NR_MMC] __initdata; |
| 363 | |
| 364 | void __init twl4030_mmc_init(struct twl4030_hsmmc_info *controllers) |
| 365 | { |
| 366 | struct twl4030_hsmmc_info *c; |
| 367 | int nr_hsmmc = ARRAY_SIZE(hsmmc_data); |
| 368 | |
| 369 | if (cpu_is_omap2430()) { |
| 370 | control_pbias_offset = OMAP243X_CONTROL_PBIAS_LITE; |
| 371 | control_devconf1_offset = OMAP243X_CONTROL_DEVCONF1; |
| 372 | nr_hsmmc = 2; |
| 373 | } else { |
| 374 | control_pbias_offset = OMAP343X_CONTROL_PBIAS_LITE; |
| 375 | control_devconf1_offset = OMAP343X_CONTROL_DEVCONF1; |
| 376 | } |
| 377 | |
| 378 | for (c = controllers; c->mmc; c++) { |
| 379 | struct twl_mmc_controller *twl = hsmmc + c->mmc - 1; |
| 380 | struct omap_mmc_platform_data *mmc = hsmmc_data[c->mmc - 1]; |
| 381 | |
| 382 | if (!c->mmc || c->mmc > nr_hsmmc) { |
| 383 | pr_debug("MMC%d: no such controller\n", c->mmc); |
| 384 | continue; |
| 385 | } |
| 386 | if (mmc) { |
| 387 | pr_debug("MMC%d: already configured\n", c->mmc); |
| 388 | continue; |
| 389 | } |
| 390 | |
| 391 | mmc = kzalloc(sizeof(struct omap_mmc_platform_data), GFP_KERNEL); |
| 392 | if (!mmc) { |
| 393 | pr_err("Cannot allocate memory for mmc device!\n"); |
| 394 | return; |
| 395 | } |
| 396 | |
Adrian Hunter | 8466032 | 2009-03-23 18:23:46 -0700 | [diff] [blame] | 397 | snprintf(twl->name, ARRAY_SIZE(twl->name), "mmc%islot%i", |
| 398 | c->mmc, 1); |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 399 | mmc->slots[0].name = twl->name; |
| 400 | mmc->nr_slots = 1; |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 401 | mmc->slots[0].wires = c->wires; |
| 402 | mmc->slots[0].internal_clock = !c->ext_clock; |
| 403 | mmc->dma_mask = 0xffffffff; |
| 404 | |
| 405 | /* note: twl4030 card detect GPIOs normally switch VMMCx ... */ |
| 406 | if (gpio_is_valid(c->gpio_cd)) { |
| 407 | mmc->init = twl_mmc_late_init; |
| 408 | mmc->cleanup = twl_mmc_cleanup; |
| 409 | mmc->suspend = twl_mmc_suspend; |
| 410 | mmc->resume = twl_mmc_resume; |
| 411 | |
| 412 | mmc->slots[0].switch_pin = c->gpio_cd; |
| 413 | mmc->slots[0].card_detect_irq = gpio_to_irq(c->gpio_cd); |
| 414 | mmc->slots[0].card_detect = twl_mmc_card_detect; |
| 415 | } else |
| 416 | mmc->slots[0].switch_pin = -EINVAL; |
| 417 | |
| 418 | /* write protect normally uses an OMAP gpio */ |
| 419 | if (gpio_is_valid(c->gpio_wp)) { |
| 420 | gpio_request(c->gpio_wp, "mmc_wp"); |
| 421 | gpio_direction_input(c->gpio_wp); |
| 422 | |
| 423 | mmc->slots[0].gpio_wp = c->gpio_wp; |
| 424 | mmc->slots[0].get_ro = twl_mmc_get_ro; |
| 425 | } else |
| 426 | mmc->slots[0].gpio_wp = -EINVAL; |
| 427 | |
| 428 | /* NOTE: we assume OMAP's MMC1 and MMC2 use |
| 429 | * the TWL4030's VMMC1 and VMMC2, respectively; |
Grazvydas Ignotas | 07d83cc | 2009-03-23 18:23:47 -0700 | [diff] [blame] | 430 | * and that MMC3 device has it's own power source. |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 431 | */ |
| 432 | |
| 433 | switch (c->mmc) { |
| 434 | case 1: |
| 435 | mmc->slots[0].set_power = twl_mmc1_set_power; |
David Brownell | 0329c37 | 2009-03-23 18:23:47 -0700 | [diff] [blame] | 436 | mmc->slots[0].ocr_mask = MMC1_OCR; |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 437 | break; |
| 438 | case 2: |
| 439 | mmc->slots[0].set_power = twl_mmc2_set_power; |
David Brownell | 0329c37 | 2009-03-23 18:23:47 -0700 | [diff] [blame] | 440 | if (c->transceiver) |
| 441 | mmc->slots[0].ocr_mask = MMC2_OCR; |
| 442 | else |
| 443 | mmc->slots[0].ocr_mask = MMC_VDD_165_195; |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 444 | break; |
Grazvydas Ignotas | 07d83cc | 2009-03-23 18:23:47 -0700 | [diff] [blame] | 445 | case 3: |
| 446 | mmc->slots[0].set_power = twl_mmc3_set_power; |
| 447 | mmc->slots[0].ocr_mask = MMC_VDD_165_195; |
| 448 | break; |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 449 | default: |
| 450 | pr_err("MMC%d configuration not supported!\n", c->mmc); |
Grazvydas Ignotas | 07d83cc | 2009-03-23 18:23:47 -0700 | [diff] [blame] | 451 | kfree(mmc); |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 452 | continue; |
| 453 | } |
| 454 | hsmmc_data[c->mmc - 1] = mmc; |
| 455 | } |
| 456 | |
| 457 | omap2_init_mmc(hsmmc_data, OMAP34XX_NR_MMC); |
David Brownell | 01971f6 | 2009-03-23 18:23:47 -0700 | [diff] [blame] | 458 | |
| 459 | /* pass the device nodes back to board setup code */ |
| 460 | for (c = controllers; c->mmc; c++) { |
| 461 | struct omap_mmc_platform_data *mmc = hsmmc_data[c->mmc - 1]; |
| 462 | |
| 463 | if (!c->mmc || c->mmc > nr_hsmmc) |
| 464 | continue; |
| 465 | c->dev = mmc->dev; |
| 466 | } |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 467 | } |
| 468 | |
| 469 | #endif |