Lauri Leukkunen | ffe7f95 | 2009-03-23 18:38:17 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * linux/arch/arm/mach-omap2/board-rx51-flash.c |
| 3 | * |
| 4 | * Copyright (C) 2008-2009 Nokia |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License version 2 as |
| 8 | * published by the Free Software Foundation. |
| 9 | */ |
| 10 | |
| 11 | #include <linux/kernel.h> |
| 12 | #include <linux/init.h> |
| 13 | #include <linux/platform_device.h> |
| 14 | #include <linux/input.h> |
| 15 | #include <linux/spi/spi.h> |
| 16 | #include <linux/i2c.h> |
| 17 | #include <linux/i2c/twl4030.h> |
| 18 | #include <linux/clk.h> |
| 19 | #include <linux/delay.h> |
| 20 | #include <linux/regulator/machine.h> |
| 21 | #include <linux/gpio.h> |
| 22 | |
| 23 | #include <mach/mcspi.h> |
| 24 | #include <mach/mux.h> |
| 25 | #include <mach/board.h> |
| 26 | #include <mach/common.h> |
| 27 | #include <mach/dma.h> |
| 28 | #include <mach/gpmc.h> |
| 29 | #include <mach/keypad.h> |
| 30 | |
| 31 | #include "mmc-twl4030.h" |
| 32 | |
| 33 | |
| 34 | #define SMC91X_CS 1 |
| 35 | #define SMC91X_GPIO_IRQ 54 |
| 36 | #define SMC91X_GPIO_RESET 164 |
| 37 | #define SMC91X_GPIO_PWRDWN 86 |
| 38 | |
| 39 | static struct resource rx51_smc91x_resources[] = { |
| 40 | [0] = { |
| 41 | .flags = IORESOURCE_MEM, |
| 42 | }, |
| 43 | [1] = { |
| 44 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, |
| 45 | }, |
| 46 | }; |
| 47 | |
| 48 | static struct platform_device rx51_smc91x_device = { |
| 49 | .name = "smc91x", |
| 50 | .id = -1, |
| 51 | .num_resources = ARRAY_SIZE(rx51_smc91x_resources), |
| 52 | .resource = rx51_smc91x_resources, |
| 53 | }; |
| 54 | |
| 55 | static int rx51_keymap[] = { |
| 56 | KEY(0, 0, KEY_Q), |
| 57 | KEY(0, 1, KEY_W), |
| 58 | KEY(0, 2, KEY_E), |
| 59 | KEY(0, 3, KEY_R), |
| 60 | KEY(0, 4, KEY_T), |
| 61 | KEY(0, 5, KEY_Y), |
| 62 | KEY(0, 6, KEY_U), |
| 63 | KEY(0, 7, KEY_I), |
| 64 | KEY(1, 0, KEY_O), |
| 65 | KEY(1, 1, KEY_D), |
| 66 | KEY(1, 2, KEY_DOT), |
| 67 | KEY(1, 3, KEY_V), |
| 68 | KEY(1, 4, KEY_DOWN), |
| 69 | KEY(2, 0, KEY_P), |
| 70 | KEY(2, 1, KEY_F), |
| 71 | KEY(2, 2, KEY_UP), |
| 72 | KEY(2, 3, KEY_B), |
| 73 | KEY(2, 4, KEY_RIGHT), |
| 74 | KEY(3, 0, KEY_COMMA), |
| 75 | KEY(3, 1, KEY_G), |
| 76 | KEY(3, 2, KEY_ENTER), |
| 77 | KEY(3, 3, KEY_N), |
| 78 | KEY(4, 0, KEY_BACKSPACE), |
| 79 | KEY(4, 1, KEY_H), |
| 80 | KEY(4, 3, KEY_M), |
| 81 | KEY(4, 4, KEY_LEFTCTRL), |
| 82 | KEY(5, 1, KEY_J), |
| 83 | KEY(5, 2, KEY_Z), |
| 84 | KEY(5, 3, KEY_SPACE), |
| 85 | KEY(5, 4, KEY_LEFTSHIFT), |
| 86 | KEY(6, 0, KEY_A), |
| 87 | KEY(6, 1, KEY_K), |
| 88 | KEY(6, 2, KEY_X), |
| 89 | KEY(6, 3, KEY_SPACE), |
| 90 | KEY(6, 4, KEY_FN), |
| 91 | KEY(7, 0, KEY_S), |
| 92 | KEY(7, 1, KEY_L), |
| 93 | KEY(7, 2, KEY_C), |
| 94 | KEY(7, 3, KEY_LEFT), |
| 95 | KEY(0xff, 0, KEY_F6), |
| 96 | KEY(0xff, 1, KEY_F7), |
| 97 | KEY(0xff, 2, KEY_F8), |
| 98 | KEY(0xff, 4, KEY_F9), |
| 99 | KEY(0xff, 5, KEY_F10), |
| 100 | }; |
| 101 | |
| 102 | static struct twl4030_keypad_data rx51_kp_data = { |
| 103 | .rows = 8, |
| 104 | .cols = 8, |
| 105 | .keymap = rx51_keymap, |
| 106 | .keymapsize = ARRAY_SIZE(rx51_keymap), |
| 107 | .rep = 1, |
| 108 | }; |
| 109 | |
| 110 | static struct platform_device *rx51_peripherals_devices[] = { |
| 111 | &rx51_smc91x_device, |
| 112 | }; |
| 113 | |
| 114 | /* |
| 115 | * Timings are taken from smsc-lan91c96-ms.pdf |
| 116 | */ |
| 117 | static int smc91x_init_gpmc(int cs) |
| 118 | { |
| 119 | struct gpmc_timings t; |
| 120 | const int t2_r = 45; /* t2 in Figure 12.10 */ |
| 121 | const int t2_w = 30; /* t2 in Figure 12.11 */ |
| 122 | const int t3 = 15; /* t3 in Figure 12.10 */ |
| 123 | const int t5_r = 0; /* t5 in Figure 12.10 */ |
| 124 | const int t6_r = 45; /* t6 in Figure 12.10 */ |
| 125 | const int t6_w = 0; /* t6 in Figure 12.11 */ |
| 126 | const int t7_w = 15; /* t7 in Figure 12.11 */ |
| 127 | const int t15 = 12; /* t15 in Figure 12.2 */ |
| 128 | const int t20 = 185; /* t20 in Figure 12.2 */ |
| 129 | |
| 130 | memset(&t, 0, sizeof(t)); |
| 131 | |
| 132 | t.cs_on = t15; |
| 133 | t.cs_rd_off = t3 + t2_r + t5_r; /* Figure 12.10 */ |
| 134 | t.cs_wr_off = t3 + t2_w + t6_w; /* Figure 12.11 */ |
| 135 | t.adv_on = t3; /* Figure 12.10 */ |
| 136 | t.adv_rd_off = t3 + t2_r; /* Figure 12.10 */ |
| 137 | t.adv_wr_off = t3 + t2_w; /* Figure 12.11 */ |
| 138 | t.oe_off = t3 + t2_r + t5_r; /* Figure 12.10 */ |
| 139 | t.oe_on = t.oe_off - t6_r; /* Figure 12.10 */ |
| 140 | t.we_off = t3 + t2_w + t6_w; /* Figure 12.11 */ |
| 141 | t.we_on = t.we_off - t7_w; /* Figure 12.11 */ |
| 142 | t.rd_cycle = t20; /* Figure 12.2 */ |
| 143 | t.wr_cycle = t20; /* Figure 12.4 */ |
| 144 | t.access = t3 + t2_r + t5_r; /* Figure 12.10 */ |
| 145 | t.wr_access = t3 + t2_w + t6_w; /* Figure 12.11 */ |
| 146 | |
| 147 | gpmc_cs_write_reg(cs, GPMC_CS_CONFIG1, GPMC_CONFIG1_DEVICESIZE_16); |
| 148 | |
| 149 | return gpmc_cs_set_timings(cs, &t); |
| 150 | } |
| 151 | |
| 152 | static void __init rx51_init_smc91x(void) |
| 153 | { |
| 154 | unsigned long cs_mem_base; |
| 155 | int ret; |
| 156 | |
| 157 | omap_cfg_reg(U8_34XX_GPIO54_DOWN); |
| 158 | omap_cfg_reg(G25_34XX_GPIO86_OUT); |
| 159 | omap_cfg_reg(H19_34XX_GPIO164_OUT); |
| 160 | |
| 161 | if (gpmc_cs_request(SMC91X_CS, SZ_16M, &cs_mem_base) < 0) { |
| 162 | printk(KERN_ERR "Failed to request GPMC mem for smc91x\n"); |
| 163 | return; |
| 164 | } |
| 165 | |
| 166 | rx51_smc91x_resources[0].start = cs_mem_base + 0x300; |
| 167 | rx51_smc91x_resources[0].end = cs_mem_base + 0x30f; |
| 168 | |
| 169 | smc91x_init_gpmc(SMC91X_CS); |
| 170 | |
| 171 | if (gpio_request(SMC91X_GPIO_IRQ, "SMC91X irq") < 0) |
| 172 | goto free1; |
| 173 | |
| 174 | gpio_direction_input(SMC91X_GPIO_IRQ); |
| 175 | rx51_smc91x_resources[1].start = gpio_to_irq(SMC91X_GPIO_IRQ); |
| 176 | |
| 177 | ret = gpio_request(SMC91X_GPIO_PWRDWN, "SMC91X powerdown"); |
| 178 | if (ret) |
| 179 | goto free2; |
| 180 | gpio_direction_output(SMC91X_GPIO_PWRDWN, 0); |
| 181 | |
| 182 | ret = gpio_request(SMC91X_GPIO_RESET, "SMC91X reset"); |
| 183 | if (ret) |
| 184 | goto free3; |
| 185 | gpio_direction_output(SMC91X_GPIO_RESET, 0); |
| 186 | gpio_set_value(SMC91X_GPIO_RESET, 1); |
| 187 | msleep(100); |
| 188 | gpio_set_value(SMC91X_GPIO_RESET, 0); |
| 189 | |
| 190 | return; |
| 191 | |
| 192 | free3: |
| 193 | gpio_free(SMC91X_GPIO_PWRDWN); |
| 194 | free2: |
| 195 | gpio_free(SMC91X_GPIO_IRQ); |
| 196 | free1: |
| 197 | gpmc_cs_free(SMC91X_CS); |
| 198 | |
| 199 | printk(KERN_ERR "Could not initialize smc91x\n"); |
| 200 | } |
| 201 | |
| 202 | static struct twl4030_madc_platform_data rx51_madc_data = { |
| 203 | .irq_line = 1, |
| 204 | }; |
| 205 | |
| 206 | static struct twl4030_hsmmc_info mmc[] = { |
| 207 | { |
| 208 | .name = "external", |
| 209 | .mmc = 1, |
| 210 | .wires = 4, |
| 211 | .cover_only = true, |
| 212 | .gpio_cd = 160, |
| 213 | .gpio_wp = -EINVAL, |
| 214 | }, |
| 215 | { |
| 216 | .name = "internal", |
| 217 | .mmc = 2, |
| 218 | .wires = 8, |
| 219 | .gpio_cd = -EINVAL, |
| 220 | .gpio_wp = -EINVAL, |
| 221 | }, |
| 222 | {} /* Terminator */ |
| 223 | }; |
| 224 | |
| 225 | static struct regulator_consumer_supply rx51_vmmc1_supply = { |
| 226 | .supply = "vmmc", |
| 227 | }; |
| 228 | |
| 229 | static struct regulator_consumer_supply rx51_vmmc2_supply = { |
| 230 | .supply = "vmmc", |
| 231 | }; |
| 232 | |
| 233 | static struct regulator_consumer_supply rx51_vsim_supply = { |
| 234 | .supply = "vmmc_aux", |
| 235 | }; |
| 236 | |
| 237 | static struct regulator_init_data rx51_vaux1 = { |
| 238 | .constraints = { |
| 239 | .name = "V28", |
| 240 | .min_uV = 2800000, |
| 241 | .max_uV = 2800000, |
| 242 | .valid_modes_mask = REGULATOR_MODE_NORMAL |
| 243 | | REGULATOR_MODE_STANDBY, |
| 244 | .valid_ops_mask = REGULATOR_CHANGE_MODE |
| 245 | | REGULATOR_CHANGE_STATUS, |
| 246 | }, |
| 247 | }; |
| 248 | |
| 249 | static struct regulator_init_data rx51_vaux2 = { |
| 250 | .constraints = { |
| 251 | .name = "VCSI", |
| 252 | .min_uV = 1800000, |
| 253 | .max_uV = 1800000, |
| 254 | .valid_modes_mask = REGULATOR_MODE_NORMAL |
| 255 | | REGULATOR_MODE_STANDBY, |
| 256 | .valid_ops_mask = REGULATOR_CHANGE_MODE |
| 257 | | REGULATOR_CHANGE_STATUS, |
| 258 | }, |
| 259 | }; |
| 260 | |
| 261 | /* VAUX3 - adds more power to VIO_18 rail */ |
| 262 | static struct regulator_init_data rx51_vaux3 = { |
| 263 | .constraints = { |
| 264 | .name = "VCAM_DIG_18", |
| 265 | .min_uV = 1800000, |
| 266 | .max_uV = 1800000, |
| 267 | .apply_uV = true, |
| 268 | .valid_modes_mask = REGULATOR_MODE_NORMAL |
| 269 | | REGULATOR_MODE_STANDBY, |
| 270 | .valid_ops_mask = REGULATOR_CHANGE_MODE |
| 271 | | REGULATOR_CHANGE_STATUS, |
| 272 | }, |
| 273 | }; |
| 274 | |
| 275 | static struct regulator_init_data rx51_vaux4 = { |
| 276 | .constraints = { |
| 277 | .name = "VCAM_ANA_28", |
| 278 | .min_uV = 2800000, |
| 279 | .max_uV = 2800000, |
| 280 | .apply_uV = true, |
| 281 | .valid_modes_mask = REGULATOR_MODE_NORMAL |
| 282 | | REGULATOR_MODE_STANDBY, |
| 283 | .valid_ops_mask = REGULATOR_CHANGE_MODE |
| 284 | | REGULATOR_CHANGE_STATUS, |
| 285 | }, |
| 286 | }; |
| 287 | |
| 288 | static struct regulator_init_data rx51_vmmc1 = { |
| 289 | .constraints = { |
| 290 | .min_uV = 1850000, |
| 291 | .max_uV = 3150000, |
| 292 | .valid_modes_mask = REGULATOR_MODE_NORMAL |
| 293 | | REGULATOR_MODE_STANDBY, |
| 294 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
| 295 | | REGULATOR_CHANGE_MODE |
| 296 | | REGULATOR_CHANGE_STATUS, |
| 297 | }, |
| 298 | .num_consumer_supplies = 1, |
| 299 | .consumer_supplies = &rx51_vmmc1_supply, |
| 300 | }; |
| 301 | |
| 302 | static struct regulator_init_data rx51_vmmc2 = { |
| 303 | .constraints = { |
| 304 | .name = "VMMC2_30", |
| 305 | .min_uV = 1850000, |
| 306 | .max_uV = 3150000, |
| 307 | .apply_uV = true, |
| 308 | .valid_modes_mask = REGULATOR_MODE_NORMAL |
| 309 | | REGULATOR_MODE_STANDBY, |
| 310 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
| 311 | | REGULATOR_CHANGE_MODE |
| 312 | | REGULATOR_CHANGE_STATUS, |
| 313 | }, |
| 314 | .num_consumer_supplies = 1, |
| 315 | .consumer_supplies = &rx51_vmmc2_supply, |
| 316 | }; |
| 317 | |
| 318 | static struct regulator_init_data rx51_vsim = { |
| 319 | .constraints = { |
| 320 | .name = "VMMC2_IO_18", |
| 321 | .min_uV = 1800000, |
| 322 | .max_uV = 1800000, |
| 323 | .apply_uV = true, |
| 324 | .valid_modes_mask = REGULATOR_MODE_NORMAL |
| 325 | | REGULATOR_MODE_STANDBY, |
| 326 | .valid_ops_mask = REGULATOR_CHANGE_MODE |
| 327 | | REGULATOR_CHANGE_STATUS, |
| 328 | }, |
| 329 | .num_consumer_supplies = 1, |
| 330 | .consumer_supplies = &rx51_vsim_supply, |
| 331 | }; |
| 332 | |
| 333 | static struct regulator_init_data rx51_vdac = { |
| 334 | .constraints = { |
| 335 | .min_uV = 1800000, |
| 336 | .max_uV = 1800000, |
| 337 | .valid_modes_mask = REGULATOR_MODE_NORMAL |
| 338 | | REGULATOR_MODE_STANDBY, |
| 339 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
| 340 | | REGULATOR_CHANGE_MODE |
| 341 | | REGULATOR_CHANGE_STATUS, |
| 342 | }, |
| 343 | }; |
| 344 | |
| 345 | static int rx51_twlgpio_setup(struct device *dev, unsigned gpio, unsigned n) |
| 346 | { |
| 347 | /* FIXME this gpio setup is just a placeholder for now */ |
| 348 | gpio_request(gpio + 6, "backlight_pwm"); |
| 349 | gpio_direction_output(gpio + 6, 0); |
| 350 | gpio_request(gpio + 7, "speaker_en"); |
| 351 | gpio_direction_output(gpio + 7, 1); |
| 352 | |
| 353 | /* set up MMC adapters, linking their regulators to them */ |
| 354 | twl4030_mmc_init(mmc); |
| 355 | rx51_vmmc1_supply.dev = mmc[0].dev; |
| 356 | rx51_vmmc2_supply.dev = mmc[1].dev; |
| 357 | rx51_vsim_supply.dev = mmc[1].dev; |
| 358 | |
| 359 | return 0; |
| 360 | } |
| 361 | |
| 362 | static struct twl4030_gpio_platform_data rx51_gpio_data = { |
| 363 | .gpio_base = OMAP_MAX_GPIO_LINES, |
| 364 | .irq_base = TWL4030_GPIO_IRQ_BASE, |
| 365 | .irq_end = TWL4030_GPIO_IRQ_END, |
| 366 | .pulldowns = BIT(0) | BIT(1) | BIT(2) | BIT(3) |
| 367 | | BIT(4) | BIT(5) |
| 368 | | BIT(8) | BIT(9) | BIT(10) | BIT(11) |
| 369 | | BIT(12) | BIT(13) | BIT(14) | BIT(15) |
| 370 | | BIT(16) | BIT(17) , |
| 371 | .setup = rx51_twlgpio_setup, |
| 372 | }; |
| 373 | |
| 374 | static struct twl4030_platform_data rx51_twldata = { |
| 375 | .irq_base = TWL4030_IRQ_BASE, |
| 376 | .irq_end = TWL4030_IRQ_END, |
| 377 | |
| 378 | /* platform_data for children goes here */ |
| 379 | .gpio = &rx51_gpio_data, |
| 380 | .keypad = &rx51_kp_data, |
| 381 | .madc = &rx51_madc_data, |
| 382 | |
| 383 | .vaux1 = &rx51_vaux1, |
| 384 | .vaux2 = &rx51_vaux2, |
| 385 | .vaux3 = &rx51_vaux3, |
| 386 | .vaux4 = &rx51_vaux4, |
| 387 | .vmmc1 = &rx51_vmmc1, |
| 388 | .vmmc2 = &rx51_vmmc2, |
| 389 | .vsim = &rx51_vsim, |
| 390 | .vdac = &rx51_vdac, |
| 391 | }; |
| 392 | |
| 393 | static struct i2c_board_info __initdata rx51_peripherals_i2c_board_info_1[] = { |
| 394 | { |
| 395 | I2C_BOARD_INFO("twl5030", 0x48), |
| 396 | .flags = I2C_CLIENT_WAKE, |
| 397 | .irq = INT_34XX_SYS_NIRQ, |
| 398 | .platform_data = &rx51_twldata, |
| 399 | }, |
| 400 | }; |
| 401 | |
| 402 | static int __init rx51_i2c_init(void) |
| 403 | { |
| 404 | omap_register_i2c_bus(1, 2600, rx51_peripherals_i2c_board_info_1, |
| 405 | ARRAY_SIZE(rx51_peripherals_i2c_board_info_1)); |
| 406 | omap_register_i2c_bus(2, 100, NULL, 0); |
| 407 | omap_register_i2c_bus(3, 400, NULL, 0); |
| 408 | return 0; |
| 409 | } |
| 410 | |
| 411 | |
| 412 | void __init rx51_peripherals_init(void) |
| 413 | { |
| 414 | platform_add_devices(rx51_peripherals_devices, |
| 415 | ARRAY_SIZE(rx51_peripherals_devices)); |
| 416 | rx51_i2c_init(); |
| 417 | rx51_init_smc91x(); |
| 418 | } |
| 419 | |