| Jonathan Cameron | 4036e1d | 2009-05-16 18:20:39 +0000 | [diff] [blame] | 1 | /* | 
|  | 2 | *  linux/arch/arm/mach-pxa/stargate2.c | 
|  | 3 | * | 
|  | 4 | *  Author:	Ed C. Epp | 
|  | 5 | *  Created:	Nov 05, 2002 | 
|  | 6 | *  Copyright:	Intel Corp. | 
|  | 7 | * | 
|  | 8 | *  Modified 2009:  Jonathan Cameron <jic23@cam.ac.uk> | 
|  | 9 | * | 
|  | 10 | *  This program is free software; you can redistribute it and/or modify | 
|  | 11 | *  it under the terms of the GNU General Public License version 2 as | 
|  | 12 | *  published by the Free Software Foundation. | 
|  | 13 | */ | 
|  | 14 |  | 
|  | 15 | #include <linux/init.h> | 
|  | 16 | #include <linux/device.h> | 
|  | 17 | #include <linux/interrupt.h> | 
|  | 18 | #include <linux/sched.h> | 
|  | 19 | #include <linux/bitops.h> | 
|  | 20 | #include <linux/fb.h> | 
|  | 21 | #include <linux/delay.h> | 
|  | 22 | #include <linux/platform_device.h> | 
|  | 23 | #include <linux/regulator/machine.h> | 
|  | 24 | #include <linux/mtd/mtd.h> | 
|  | 25 | #include <linux/mtd/plat-ram.h> | 
|  | 26 | #include <linux/mtd/partitions.h> | 
|  | 27 |  | 
|  | 28 | #include <linux/i2c/pcf857x.h> | 
|  | 29 | #include <linux/i2c/at24.h> | 
|  | 30 | #include <linux/smc91x.h> | 
|  | 31 | #include <linux/gpio.h> | 
|  | 32 |  | 
|  | 33 | #include <asm/types.h> | 
|  | 34 | #include <asm/setup.h> | 
|  | 35 | #include <asm/memory.h> | 
|  | 36 | #include <asm/mach-types.h> | 
|  | 37 | #include <asm/irq.h> | 
|  | 38 |  | 
|  | 39 | #include <asm/mach/arch.h> | 
|  | 40 | #include <asm/mach/map.h> | 
|  | 41 | #include <asm/mach/irq.h> | 
|  | 42 | #include <asm/mach/flash.h> | 
|  | 43 |  | 
|  | 44 | #include <mach/pxa27x.h> | 
|  | 45 | #include <plat/i2c.h> | 
|  | 46 | #include <mach/mmc.h> | 
|  | 47 | #include <mach/udc.h> | 
|  | 48 | #include <mach/pxa2xx_spi.h> | 
|  | 49 | #include <mach/pxa27x-udc.h> | 
|  | 50 |  | 
|  | 51 | #include <linux/spi/spi.h> | 
|  | 52 | #include <linux/mfd/da903x.h> | 
|  | 53 | #include <linux/sht15.h> | 
|  | 54 |  | 
|  | 55 | #include "devices.h" | 
|  | 56 | #include "generic.h" | 
|  | 57 |  | 
|  | 58 | /* Bluetooth */ | 
|  | 59 | #define SG2_BT_RESET		81 | 
|  | 60 |  | 
|  | 61 | /* SD */ | 
|  | 62 | #define SG2_GPIO_nSD_DETECT	90 | 
|  | 63 | #define SG2_SD_POWER_ENABLE	89 | 
|  | 64 |  | 
|  | 65 | static unsigned long stargate2_pin_config[] __initdata = { | 
|  | 66 |  | 
|  | 67 | GPIO15_nCS_1, /* SRAM */ | 
|  | 68 | /* SMC91x */ | 
|  | 69 | GPIO80_nCS_4, | 
|  | 70 | GPIO40_GPIO, /*cable detect?*/ | 
|  | 71 | /* Device Identification for wakeup*/ | 
|  | 72 | GPIO102_GPIO, | 
|  | 73 |  | 
|  | 74 | /* Button */ | 
|  | 75 | GPIO91_GPIO | WAKEUP_ON_LEVEL_HIGH, | 
|  | 76 |  | 
|  | 77 | /* DA9030 */ | 
|  | 78 | GPIO1_GPIO, | 
|  | 79 |  | 
|  | 80 | /* Compact Flash */ | 
|  | 81 | GPIO79_PSKTSEL, | 
|  | 82 | GPIO48_nPOE, | 
|  | 83 | GPIO49_nPWE, | 
|  | 84 | GPIO50_nPIOR, | 
|  | 85 | GPIO51_nPIOW, | 
|  | 86 | GPIO85_nPCE_1, | 
|  | 87 | GPIO54_nPCE_2, | 
|  | 88 | GPIO55_nPREG, | 
|  | 89 | GPIO56_nPWAIT, | 
|  | 90 | GPIO57_nIOIS16, | 
|  | 91 | GPIO120_GPIO, /* Buff ctrl */ | 
|  | 92 | GPIO108_GPIO, /* Power ctrl */ | 
|  | 93 | GPIO82_GPIO, /* Reset */ | 
|  | 94 | GPIO53_GPIO, /* SG2_S0_GPIO_DETECT */ | 
|  | 95 |  | 
|  | 96 | /* MMC */ | 
|  | 97 | GPIO32_MMC_CLK, | 
|  | 98 | GPIO112_MMC_CMD, | 
|  | 99 | GPIO92_MMC_DAT_0, | 
|  | 100 | GPIO109_MMC_DAT_1, | 
|  | 101 | GPIO110_MMC_DAT_2, | 
|  | 102 | GPIO111_MMC_DAT_3, | 
|  | 103 | GPIO90_GPIO, /* nSD detect */ | 
|  | 104 | GPIO89_GPIO, /* SD_POWER_ENABLE */ | 
|  | 105 |  | 
|  | 106 | /* Bluetooth */ | 
|  | 107 | GPIO81_GPIO, /* reset */ | 
|  | 108 |  | 
|  | 109 | /* cc2420 802.15.4 radio */ | 
|  | 110 | GPIO22_GPIO,		/* CC_RSTN  (out)*/ | 
|  | 111 | GPIO114_GPIO,		/* CC_FIFO (in) */ | 
|  | 112 | GPIO116_GPIO, 		/* CC_CCA (in) */ | 
|  | 113 | GPIO0_GPIO,		/* CC_FIFOP (in) */ | 
|  | 114 | GPIO16_GPIO,		/* CCSFD (in) */ | 
|  | 115 | GPIO39_GPIO,		/* CSn (out) */ | 
|  | 116 |  | 
|  | 117 | /* I2C */ | 
|  | 118 | GPIO117_I2C_SCL, | 
|  | 119 | GPIO118_I2C_SDA, | 
|  | 120 |  | 
|  | 121 | /* SSP 3 - 802.15.4 radio */ | 
|  | 122 | GPIO39_GPIO, /* chip select */ | 
|  | 123 | GPIO34_SSP3_SCLK, | 
|  | 124 | GPIO35_SSP3_TXD, | 
|  | 125 | GPIO41_SSP3_RXD, | 
|  | 126 |  | 
|  | 127 | /* SSP 2 */ | 
|  | 128 | GPIO11_SSP2_RXD, | 
|  | 129 | GPIO38_SSP2_TXD, | 
|  | 130 | GPIO36_SSP2_SCLK, | 
|  | 131 | GPIO37_GPIO, /* chip select */ | 
|  | 132 |  | 
|  | 133 | /* SSP 1 */ | 
|  | 134 | GPIO26_SSP1_RXD, | 
|  | 135 | GPIO25_SSP1_TXD, | 
|  | 136 | GPIO23_SSP1_SCLK, | 
|  | 137 | GPIO24_GPIO, /* chip select */ | 
|  | 138 |  | 
|  | 139 | /* BTUART */ | 
|  | 140 | GPIO42_BTUART_RXD, | 
|  | 141 | GPIO43_BTUART_TXD, | 
|  | 142 | GPIO44_BTUART_CTS, | 
|  | 143 | GPIO45_BTUART_RTS, | 
|  | 144 |  | 
|  | 145 | /* STUART */ | 
|  | 146 | GPIO46_STUART_RXD, | 
|  | 147 | GPIO47_STUART_TXD, | 
|  | 148 |  | 
|  | 149 | /* Basic sensor board */ | 
|  | 150 | GPIO96_GPIO,	/* accelerometer interrupt */ | 
|  | 151 | GPIO99_GPIO,	/* ADC interrupt */ | 
|  | 152 |  | 
|  | 153 | /* Connector pins specified as gpios */ | 
|  | 154 | GPIO94_GPIO, /* large basic connector pin 14 */ | 
|  | 155 | GPIO10_GPIO, /* large basic connector pin 23 */ | 
|  | 156 |  | 
|  | 157 | /* SHT15 */ | 
|  | 158 | GPIO100_GPIO, | 
|  | 159 | GPIO98_GPIO, | 
|  | 160 | }; | 
|  | 161 |  | 
|  | 162 | /** | 
|  | 163 | * stargate2_reset_bluetooth() reset the bluecore to ensure consistent state | 
|  | 164 | **/ | 
|  | 165 | static int stargate2_reset_bluetooth(void) | 
|  | 166 | { | 
|  | 167 | int err; | 
|  | 168 | err = gpio_request(SG2_BT_RESET, "SG2_BT_RESET"); | 
|  | 169 | if (err) { | 
|  | 170 | printk(KERN_ERR "Could not get gpio for bluetooth reset \n"); | 
|  | 171 | return err; | 
|  | 172 | } | 
|  | 173 | gpio_direction_output(SG2_BT_RESET, 1); | 
|  | 174 | mdelay(5); | 
|  | 175 | /* now reset it - 5 msec minimum */ | 
|  | 176 | gpio_set_value(SG2_BT_RESET, 0); | 
|  | 177 | mdelay(10); | 
|  | 178 | gpio_set_value(SG2_BT_RESET, 1); | 
|  | 179 | gpio_free(SG2_BT_RESET); | 
|  | 180 | return 0; | 
|  | 181 | } | 
|  | 182 |  | 
|  | 183 | static struct led_info stargate2_leds[] = { | 
|  | 184 | { | 
|  | 185 | .name = "sg2:red", | 
|  | 186 | .flags = DA9030_LED_RATE_ON, | 
|  | 187 | }, { | 
|  | 188 | .name = "sg2:blue", | 
|  | 189 | .flags = DA9030_LED_RATE_ON, | 
|  | 190 | }, { | 
|  | 191 | .name = "sg2:green", | 
|  | 192 | .flags = DA9030_LED_RATE_ON, | 
|  | 193 | }, | 
|  | 194 | }; | 
|  | 195 |  | 
|  | 196 | static struct sht15_platform_data platform_data_sht15 = { | 
|  | 197 | .gpio_data =  100, | 
|  | 198 | .gpio_sck  =  98, | 
|  | 199 | }; | 
|  | 200 |  | 
|  | 201 | static struct platform_device sht15 = { | 
|  | 202 | .name = "sht15", | 
|  | 203 | .id = -1, | 
|  | 204 | .dev = { | 
|  | 205 | .platform_data = &platform_data_sht15, | 
|  | 206 | }, | 
|  | 207 | }; | 
|  | 208 |  | 
|  | 209 | static struct regulator_consumer_supply stargate2_sensor_3_con[] = { | 
|  | 210 | { | 
|  | 211 | .dev = &sht15.dev, | 
|  | 212 | .supply = "vcc", | 
|  | 213 | }, | 
|  | 214 | }; | 
|  | 215 |  | 
|  | 216 | enum stargate2_ldos{ | 
|  | 217 | vcc_vref, | 
|  | 218 | vcc_cc2420, | 
|  | 219 | /* a mote connector? */ | 
|  | 220 | vcc_mica, | 
|  | 221 | /* the CSR bluecore chip */ | 
|  | 222 | vcc_bt, | 
|  | 223 | /* The two voltages available to sensor boards */ | 
|  | 224 | vcc_sensor_1_8, | 
|  | 225 | vcc_sensor_3, | 
|  | 226 | /* directly connected to the pxa27x */ | 
|  | 227 | vcc_sram_ext, | 
|  | 228 | vcc_pxa_pll, | 
|  | 229 | vcc_pxa_usim, /* Reference voltage for certain gpios */ | 
|  | 230 | vcc_pxa_mem, | 
|  | 231 | vcc_pxa_flash, | 
|  | 232 | vcc_pxa_core, /*Dc-Dc buck not yet supported */ | 
|  | 233 | vcc_lcd, | 
|  | 234 | vcc_bb, | 
|  | 235 | vcc_bbio, /*not sure!*/ | 
|  | 236 | vcc_io, /* cc2420 802.15.4 radio and pxa vcc_io ?*/ | 
|  | 237 | }; | 
|  | 238 |  | 
|  | 239 | /* The values of the various regulator constraints are obviously dependent | 
|  | 240 | * on exactly what is wired to each ldo.  Unfortunately this information is | 
|  | 241 | * not generally available.  More information has been requested from Xbow. | 
|  | 242 | */ | 
|  | 243 | static struct regulator_init_data stargate2_ldo_init_data[] = { | 
|  | 244 | [vcc_bbio] = { | 
|  | 245 | .constraints = { /* board default 1.8V */ | 
|  | 246 | .name = "vcc_bbio", | 
|  | 247 | .min_uV = 1800000, | 
|  | 248 | .max_uV = 1800000, | 
|  | 249 | }, | 
|  | 250 | }, | 
|  | 251 | [vcc_bb] = { | 
|  | 252 | .constraints = { /* board default 2.8V */ | 
|  | 253 | .name = "vcc_bb", | 
|  | 254 | .min_uV = 2700000, | 
|  | 255 | .max_uV = 3000000, | 
|  | 256 | }, | 
|  | 257 | }, | 
|  | 258 | [vcc_pxa_flash] = { | 
|  | 259 | .constraints = {/* default is 1.8V */ | 
|  | 260 | .name = "vcc_pxa_flash", | 
|  | 261 | .min_uV = 1800000, | 
|  | 262 | .max_uV = 1800000, | 
|  | 263 | }, | 
|  | 264 | }, | 
|  | 265 | [vcc_cc2420] = { /* also vcc_io */ | 
|  | 266 | .constraints = { | 
|  | 267 | /* board default is 2.8V */ | 
|  | 268 | .name = "vcc_cc2420", | 
|  | 269 | .min_uV = 2700000, | 
|  | 270 | .max_uV = 3300000, | 
|  | 271 | }, | 
|  | 272 | }, | 
|  | 273 | [vcc_vref] = { /* Reference for what? */ | 
|  | 274 | .constraints = { /* default 1.8V */ | 
|  | 275 | .name = "vcc_vref", | 
|  | 276 | .min_uV = 1800000, | 
|  | 277 | .max_uV = 1800000, | 
|  | 278 | }, | 
|  | 279 | }, | 
|  | 280 | [vcc_sram_ext] = { | 
|  | 281 | .constraints = { /* default 2.8V */ | 
|  | 282 | .name = "vcc_sram_ext", | 
|  | 283 | .min_uV = 2800000, | 
|  | 284 | .max_uV = 2800000, | 
|  | 285 | }, | 
|  | 286 | }, | 
|  | 287 | [vcc_mica] = { | 
|  | 288 | .constraints = { /* default 2.8V */ | 
|  | 289 | .name = "vcc_mica", | 
|  | 290 | .min_uV = 2800000, | 
|  | 291 | .max_uV = 2800000, | 
|  | 292 | }, | 
|  | 293 | }, | 
|  | 294 | [vcc_bt] = { | 
|  | 295 | .constraints = { /* default 2.8V */ | 
|  | 296 | .name = "vcc_bt", | 
|  | 297 | .min_uV = 2800000, | 
|  | 298 | .max_uV = 2800000, | 
|  | 299 | }, | 
|  | 300 | }, | 
|  | 301 | [vcc_lcd] = { | 
|  | 302 | .constraints = { /* default 2.8V */ | 
|  | 303 | .name = "vcc_lcd", | 
|  | 304 | .min_uV = 2700000, | 
|  | 305 | .max_uV = 3300000, | 
|  | 306 | }, | 
|  | 307 | }, | 
|  | 308 | [vcc_io] = { /* Same or higher than everything | 
|  | 309 | * bar vccbat and vccusb */ | 
|  | 310 | .constraints = { /* default 2.8V */ | 
|  | 311 | .name = "vcc_io", | 
|  | 312 | .min_uV = 2692000, | 
|  | 313 | .max_uV = 3300000, | 
|  | 314 | }, | 
|  | 315 | }, | 
|  | 316 | [vcc_sensor_1_8] = { | 
|  | 317 | .constraints = { /* default 1.8V */ | 
|  | 318 | .name = "vcc_sensor_1_8", | 
|  | 319 | .min_uV = 1800000, | 
|  | 320 | .max_uV = 1800000, | 
|  | 321 | }, | 
|  | 322 | }, | 
|  | 323 | [vcc_sensor_3] = { /* curiously default 2.8V */ | 
|  | 324 | .constraints = { | 
|  | 325 | .name = "vcc_sensor_3", | 
|  | 326 | .min_uV = 2800000, | 
|  | 327 | .max_uV = 3000000, | 
|  | 328 | }, | 
|  | 329 | .num_consumer_supplies = ARRAY_SIZE(stargate2_sensor_3_con), | 
|  | 330 | .consumer_supplies = stargate2_sensor_3_con, | 
|  | 331 | }, | 
|  | 332 | [vcc_pxa_pll] = { /* 1.17V - 1.43V, default 1.3V*/ | 
|  | 333 | .constraints = { | 
|  | 334 | .name = "vcc_pxa_pll", | 
|  | 335 | .min_uV = 1170000, | 
|  | 336 | .max_uV = 1430000, | 
|  | 337 | }, | 
|  | 338 | }, | 
|  | 339 | [vcc_pxa_usim] = { | 
|  | 340 | .constraints = { /* default 1.8V */ | 
|  | 341 | .name = "vcc_pxa_usim", | 
|  | 342 | .min_uV = 1710000, | 
|  | 343 | .max_uV = 2160000, | 
|  | 344 | }, | 
|  | 345 | }, | 
|  | 346 | [vcc_pxa_mem] = { | 
|  | 347 | .constraints = { /* default 1.8V */ | 
|  | 348 | .name = "vcc_pxa_mem", | 
|  | 349 | .min_uV = 1800000, | 
|  | 350 | .max_uV = 1800000, | 
|  | 351 | }, | 
|  | 352 | }, | 
|  | 353 | }; | 
|  | 354 |  | 
|  | 355 | static struct da903x_subdev_info stargate2_da9030_subdevs[] = { | 
|  | 356 | { | 
|  | 357 | .name = "da903x-led", | 
|  | 358 | .id = DA9030_ID_LED_2, | 
|  | 359 | .platform_data = &stargate2_leds[0], | 
|  | 360 | }, { | 
|  | 361 | .name = "da903x-led", | 
|  | 362 | .id = DA9030_ID_LED_3, | 
|  | 363 | .platform_data = &stargate2_leds[2], | 
|  | 364 | }, { | 
|  | 365 | .name = "da903x-led", | 
|  | 366 | .id = DA9030_ID_LED_4, | 
|  | 367 | .platform_data = &stargate2_leds[1], | 
|  | 368 | }, { | 
|  | 369 | .name = "da903x-regulator", | 
|  | 370 | .id = DA9030_ID_LDO2, | 
|  | 371 | .platform_data = &stargate2_ldo_init_data[vcc_bbio], | 
|  | 372 | }, { | 
|  | 373 | .name = "da903x-regulator", | 
|  | 374 | .id = DA9030_ID_LDO3, | 
|  | 375 | .platform_data = &stargate2_ldo_init_data[vcc_bb], | 
|  | 376 | }, { | 
|  | 377 | .name = "da903x-regulator", | 
|  | 378 | .id = DA9030_ID_LDO4, | 
|  | 379 | .platform_data = &stargate2_ldo_init_data[vcc_pxa_flash], | 
|  | 380 | }, { | 
|  | 381 | .name = "da903x-regulator", | 
|  | 382 | .id = DA9030_ID_LDO5, | 
|  | 383 | .platform_data = &stargate2_ldo_init_data[vcc_cc2420], | 
|  | 384 | }, { | 
|  | 385 | .name = "da903x-regulator", | 
|  | 386 | .id = DA9030_ID_LDO6, | 
|  | 387 | .platform_data = &stargate2_ldo_init_data[vcc_vref], | 
|  | 388 | }, { | 
|  | 389 | .name = "da903x-regulator", | 
|  | 390 | .id = DA9030_ID_LDO7, | 
|  | 391 | .platform_data = &stargate2_ldo_init_data[vcc_sram_ext], | 
|  | 392 | }, { | 
|  | 393 | .name = "da903x-regulator", | 
|  | 394 | .id = DA9030_ID_LDO8, | 
|  | 395 | .platform_data = &stargate2_ldo_init_data[vcc_mica], | 
|  | 396 | }, { | 
|  | 397 | .name = "da903x-regulator", | 
|  | 398 | .id = DA9030_ID_LDO9, | 
|  | 399 | .platform_data = &stargate2_ldo_init_data[vcc_bt], | 
|  | 400 | }, { | 
|  | 401 | .name = "da903x-regulator", | 
|  | 402 | .id = DA9030_ID_LDO10, | 
|  | 403 | .platform_data = &stargate2_ldo_init_data[vcc_sensor_1_8], | 
|  | 404 | }, { | 
|  | 405 | .name = "da903x-regulator", | 
|  | 406 | .id = DA9030_ID_LDO11, | 
|  | 407 | .platform_data = &stargate2_ldo_init_data[vcc_sensor_3], | 
|  | 408 | }, { | 
|  | 409 | .name = "da903x-regulator", | 
|  | 410 | .id = DA9030_ID_LDO12, | 
|  | 411 | .platform_data = &stargate2_ldo_init_data[vcc_lcd], | 
|  | 412 | }, { | 
|  | 413 | .name = "da903x-regulator", | 
|  | 414 | .id = DA9030_ID_LDO15, | 
|  | 415 | .platform_data = &stargate2_ldo_init_data[vcc_pxa_pll], | 
|  | 416 | }, { | 
|  | 417 | .name = "da903x-regulator", | 
|  | 418 | .id = DA9030_ID_LDO17, | 
|  | 419 | .platform_data = &stargate2_ldo_init_data[vcc_pxa_usim], | 
|  | 420 | }, { | 
|  | 421 | .name = "da903x-regulator", /*pxa vcc i/o and cc2420 vcc i/o */ | 
|  | 422 | .id = DA9030_ID_LDO18, | 
|  | 423 | .platform_data = &stargate2_ldo_init_data[vcc_io], | 
|  | 424 | }, { | 
|  | 425 | .name = "da903x-regulator", | 
|  | 426 | .id = DA9030_ID_LDO19, | 
|  | 427 | .platform_data = &stargate2_ldo_init_data[vcc_pxa_mem], | 
|  | 428 | }, | 
|  | 429 | }; | 
|  | 430 |  | 
|  | 431 | static struct da903x_platform_data stargate2_da9030_pdata = { | 
|  | 432 | .num_subdevs = ARRAY_SIZE(stargate2_da9030_subdevs), | 
|  | 433 | .subdevs = stargate2_da9030_subdevs, | 
|  | 434 | }; | 
|  | 435 |  | 
|  | 436 | static struct resource smc91x_resources[] = { | 
|  | 437 | [0] = { | 
|  | 438 | .name = "smc91x-regs", | 
|  | 439 | .start = (PXA_CS4_PHYS + 0x300), | 
|  | 440 | .end = (PXA_CS4_PHYS + 0xfffff), | 
|  | 441 | .flags = IORESOURCE_MEM, | 
|  | 442 | }, | 
|  | 443 | [1] = { | 
|  | 444 | .start = IRQ_GPIO(40), | 
|  | 445 | .end = IRQ_GPIO(40), | 
|  | 446 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, | 
|  | 447 | } | 
|  | 448 | }; | 
|  | 449 |  | 
|  | 450 | static struct smc91x_platdata stargate2_smc91x_info = { | 
|  | 451 | .flags = SMC91X_USE_8BIT | SMC91X_USE_16BIT | SMC91X_USE_32BIT | 
|  | 452 | | SMC91X_NOWAIT | SMC91X_USE_DMA, | 
|  | 453 | }; | 
|  | 454 |  | 
|  | 455 | static struct platform_device smc91x_device = { | 
|  | 456 | .name = "smc91x", | 
|  | 457 | .id = -1, | 
|  | 458 | .num_resources = ARRAY_SIZE(smc91x_resources), | 
|  | 459 | .resource = smc91x_resources, | 
|  | 460 | .dev = { | 
|  | 461 | .platform_data = &stargate2_smc91x_info, | 
|  | 462 | }, | 
|  | 463 | }; | 
|  | 464 |  | 
|  | 465 |  | 
|  | 466 |  | 
|  | 467 | static struct pxamci_platform_data stargate2_mci_platform_data; | 
|  | 468 |  | 
|  | 469 | /* | 
|  | 470 | * The card detect interrupt isn't debounced so we delay it by 250ms | 
|  | 471 | * to give the card a chance to fully insert / eject. | 
|  | 472 | */ | 
|  | 473 | static int stargate2_mci_init(struct device *dev, | 
|  | 474 | irq_handler_t stargate2_detect_int, | 
|  | 475 | void *data) | 
|  | 476 | { | 
|  | 477 | int err; | 
|  | 478 |  | 
|  | 479 | err = gpio_request(SG2_SD_POWER_ENABLE, "SG2_sd_power_enable"); | 
|  | 480 | if (err) { | 
|  | 481 | printk(KERN_ERR "Can't get the gpio for SD power control"); | 
|  | 482 | goto return_err; | 
|  | 483 | } | 
|  | 484 | gpio_direction_output(SG2_SD_POWER_ENABLE, 0); | 
|  | 485 |  | 
|  | 486 | err = gpio_request(SG2_GPIO_nSD_DETECT, "SG2_sd_detect"); | 
|  | 487 | if (err) { | 
|  | 488 | printk(KERN_ERR "Can't get the sd detect gpio"); | 
|  | 489 | goto free_power_en; | 
|  | 490 | } | 
|  | 491 | gpio_direction_input(SG2_GPIO_nSD_DETECT); | 
|  | 492 | /* Delay to allow for full insertion */ | 
|  | 493 | stargate2_mci_platform_data.detect_delay = msecs_to_jiffies(250); | 
|  | 494 |  | 
|  | 495 | err = request_irq(IRQ_GPIO(SG2_GPIO_nSD_DETECT), | 
|  | 496 | stargate2_detect_int, | 
|  | 497 | IRQ_TYPE_EDGE_BOTH, | 
|  | 498 | "MMC card detect", | 
|  | 499 | data); | 
|  | 500 | if (err) { | 
|  | 501 | printk(KERN_ERR "can't request MMC card detect IRQ\n"); | 
|  | 502 | goto free_nsd_detect; | 
|  | 503 | } | 
|  | 504 | return 0; | 
|  | 505 |  | 
|  | 506 | free_nsd_detect: | 
|  | 507 | gpio_free(SG2_GPIO_nSD_DETECT); | 
|  | 508 | free_power_en: | 
|  | 509 | gpio_free(SG2_SD_POWER_ENABLE); | 
|  | 510 | return_err: | 
|  | 511 | return err; | 
|  | 512 | } | 
|  | 513 |  | 
|  | 514 | /** | 
|  | 515 | * stargate2_mci_setpower() - set state of mmc power supply | 
|  | 516 | * | 
|  | 517 | * Very simple control. Either it is on or off and is controlled by | 
|  | 518 | * a gpio pin */ | 
|  | 519 | static void stargate2_mci_setpower(struct device *dev, unsigned int vdd) | 
|  | 520 | { | 
|  | 521 | gpio_set_value(SG2_SD_POWER_ENABLE, !!vdd); | 
|  | 522 | } | 
|  | 523 |  | 
|  | 524 | static void stargate2_mci_exit(struct device *dev, void *data) | 
|  | 525 | { | 
|  | 526 | free_irq(IRQ_GPIO(SG2_GPIO_nSD_DETECT), data); | 
|  | 527 | gpio_free(SG2_SD_POWER_ENABLE); | 
|  | 528 | gpio_free(SG2_GPIO_nSD_DETECT); | 
|  | 529 | } | 
|  | 530 |  | 
|  | 531 | static struct pxamci_platform_data stargate2_mci_platform_data = { | 
|  | 532 | .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, | 
|  | 533 | .init = stargate2_mci_init, | 
|  | 534 | .setpower = stargate2_mci_setpower, | 
|  | 535 | .exit = stargate2_mci_exit, | 
|  | 536 | }; | 
|  | 537 |  | 
|  | 538 | static struct mtd_partition stargate2flash_partitions[] = { | 
|  | 539 | { | 
|  | 540 | .name = "Bootloader", | 
|  | 541 | .size = 0x00040000, | 
|  | 542 | .offset = 0, | 
|  | 543 | .mask_flags = 0, | 
|  | 544 | }, { | 
|  | 545 | .name = "Kernel", | 
|  | 546 | .size = 0x00200000, | 
|  | 547 | .offset = 0x00040000, | 
|  | 548 | .mask_flags = 0 | 
|  | 549 | }, { | 
|  | 550 | .name = "Filesystem", | 
|  | 551 | .size = 0x01DC0000, | 
|  | 552 | .offset = 0x00240000, | 
|  | 553 | .mask_flags = 0 | 
|  | 554 | }, | 
|  | 555 | }; | 
|  | 556 |  | 
|  | 557 | static struct resource flash_resources = { | 
|  | 558 | .start = PXA_CS0_PHYS, | 
|  | 559 | .end = PXA_CS0_PHYS + SZ_32M - 1, | 
|  | 560 | .flags = IORESOURCE_MEM, | 
|  | 561 | }; | 
|  | 562 |  | 
|  | 563 | static struct flash_platform_data stargate2_flash_data = { | 
|  | 564 | .map_name = "cfi_probe", | 
|  | 565 | .parts = stargate2flash_partitions, | 
|  | 566 | .nr_parts = ARRAY_SIZE(stargate2flash_partitions), | 
|  | 567 | .name = "PXA27xOnChipROM", | 
|  | 568 | .width = 2, | 
|  | 569 | }; | 
|  | 570 |  | 
|  | 571 | static struct platform_device stargate2_flash_device = { | 
|  | 572 | .name = "pxa2xx-flash", | 
|  | 573 | .id = 0, | 
|  | 574 | .dev = { | 
|  | 575 | .platform_data = &stargate2_flash_data, | 
|  | 576 | }, | 
|  | 577 | .resource = &flash_resources, | 
|  | 578 | .num_resources = 1, | 
|  | 579 | }; | 
|  | 580 |  | 
|  | 581 | /* | 
|  | 582 | * SRAM - The Stargate 2 has 32MB of SRAM. | 
|  | 583 | * | 
|  | 584 | * Here it is made available as an MTD. This will then | 
|  | 585 | * typically have a cifs filesystem created on it to provide | 
|  | 586 | * fast temporary storage. | 
|  | 587 | */ | 
|  | 588 | static struct resource sram_resources = { | 
|  | 589 | .start = PXA_CS1_PHYS, | 
|  | 590 | .end = PXA_CS1_PHYS + SZ_32M-1, | 
|  | 591 | .flags = IORESOURCE_MEM, | 
|  | 592 | }; | 
|  | 593 |  | 
|  | 594 | static struct platdata_mtd_ram stargate2_sram_pdata = { | 
|  | 595 | .mapname = "Stargate2 SRAM", | 
|  | 596 | .bankwidth = 2, | 
|  | 597 | }; | 
|  | 598 |  | 
|  | 599 | static struct platform_device stargate2_sram = { | 
|  | 600 | .name = "mtd-ram", | 
|  | 601 | .id = 0, | 
|  | 602 | .resource = &sram_resources, | 
|  | 603 | .num_resources = 1, | 
|  | 604 | .dev = { | 
|  | 605 | .platform_data = &stargate2_sram_pdata, | 
|  | 606 | }, | 
|  | 607 | }; | 
|  | 608 |  | 
|  | 609 | static struct pcf857x_platform_data platform_data_pcf857x = { | 
|  | 610 | .gpio_base = 128, | 
|  | 611 | .n_latch = 0, | 
|  | 612 | .setup = NULL, | 
|  | 613 | .teardown = NULL, | 
|  | 614 | .context = NULL, | 
|  | 615 | }; | 
|  | 616 |  | 
|  | 617 | static struct at24_platform_data pca9500_eeprom_pdata = { | 
|  | 618 | .byte_len = 256, | 
|  | 619 | .page_size = 4, | 
|  | 620 | }; | 
|  | 621 |  | 
|  | 622 |  | 
|  | 623 | static struct i2c_board_info __initdata stargate2_i2c_board_info[] = { | 
|  | 624 | /* Techically this a pca9500 - but it's compatible with the 8574 | 
|  | 625 | * for gpio expansion and the 24c02 for eeprom access. | 
|  | 626 | */ | 
|  | 627 | { | 
|  | 628 | .type = "pcf8574", | 
|  | 629 | .addr =  0x27, | 
|  | 630 | .platform_data = &platform_data_pcf857x, | 
|  | 631 | }, { | 
|  | 632 | .type = "24c02", | 
|  | 633 | .addr = 0x57, | 
|  | 634 | .platform_data = &pca9500_eeprom_pdata, | 
|  | 635 | }, { | 
|  | 636 | .type = "max1238", | 
|  | 637 | .addr = 0x35, | 
|  | 638 | }, { /* ITS400 Sensor board only */ | 
|  | 639 | .type = "max1363", | 
|  | 640 | .addr = 0x34, | 
|  | 641 | /* Through a nand gate - Also beware, on V2 sensor board the | 
|  | 642 | * pull up resistors are missing. | 
|  | 643 | */ | 
|  | 644 | .irq = IRQ_GPIO(99), | 
|  | 645 | }, { /* ITS400 Sensor board only */ | 
|  | 646 | .type = "tsl2561", | 
|  | 647 | .addr = 0x49, | 
|  | 648 | /* Through a nand gate - Also beware, on V2 sensor board the | 
|  | 649 | * pull up resistors are missing. | 
|  | 650 | */ | 
|  | 651 | .irq = IRQ_GPIO(99), | 
|  | 652 | }, { /* ITS400 Sensor board only */ | 
|  | 653 | .type = "tmp175", | 
|  | 654 | .addr = 0x4A, | 
|  | 655 | .irq = IRQ_GPIO(96), | 
|  | 656 | }, | 
|  | 657 | }; | 
|  | 658 |  | 
|  | 659 | static struct i2c_board_info __initdata stargate2_pwr_i2c_board_info[] = { | 
|  | 660 | { | 
|  | 661 | .type = "da9030", | 
|  | 662 | .addr = 0x49, | 
|  | 663 | .platform_data = &stargate2_da9030_pdata, | 
|  | 664 | .irq = gpio_to_irq(1), | 
|  | 665 | }, | 
|  | 666 | }; | 
|  | 667 |  | 
|  | 668 | static struct pxa2xx_spi_master pxa_ssp_master_0_info = { | 
|  | 669 | .num_chipselect = 1, | 
|  | 670 | }; | 
|  | 671 |  | 
|  | 672 | static struct pxa2xx_spi_master pxa_ssp_master_1_info = { | 
|  | 673 | .num_chipselect = 1, | 
|  | 674 | }; | 
|  | 675 |  | 
|  | 676 | static struct pxa2xx_spi_master pxa_ssp_master_2_info = { | 
|  | 677 | .num_chipselect = 1, | 
|  | 678 | }; | 
|  | 679 |  | 
|  | 680 | /* An upcoming kernel change will scrap SFRM usage so these | 
|  | 681 | * drivers have been moved to use gpio's via cs_control */ | 
|  | 682 | static struct pxa2xx_spi_chip staccel_chip_info = { | 
|  | 683 | .tx_threshold = 8, | 
|  | 684 | .rx_threshold = 8, | 
|  | 685 | .dma_burst_size = 8, | 
|  | 686 | .timeout = 235, | 
|  | 687 | .gpio_cs = 24, | 
|  | 688 | }; | 
|  | 689 |  | 
|  | 690 | static struct pxa2xx_spi_chip cc2420_info = { | 
|  | 691 | .tx_threshold = 8, | 
|  | 692 | .rx_threshold = 8, | 
|  | 693 | .dma_burst_size = 8, | 
|  | 694 | .timeout = 235, | 
|  | 695 | .gpio_cs = 39, | 
|  | 696 | }; | 
|  | 697 |  | 
|  | 698 | static struct spi_board_info spi_board_info[] __initdata = { | 
|  | 699 | { | 
|  | 700 | .modalias = "lis3l02dq", | 
|  | 701 | .max_speed_hz = 8000000,/* 8MHz max spi frequency at 3V */ | 
|  | 702 | .bus_num = 1, | 
|  | 703 | .chip_select = 0, | 
|  | 704 | .controller_data = &staccel_chip_info, | 
|  | 705 | .irq = IRQ_GPIO(96), | 
|  | 706 | }, { | 
|  | 707 | .modalias = "cc2420", | 
|  | 708 | .max_speed_hz = 6500000, | 
|  | 709 | .bus_num = 3, | 
|  | 710 | .chip_select = 0, | 
|  | 711 | .controller_data = &cc2420_info, | 
|  | 712 | }, | 
|  | 713 | }; | 
|  | 714 |  | 
|  | 715 | static void sg2_udc_command(int cmd) | 
|  | 716 | { | 
|  | 717 | switch (cmd) { | 
|  | 718 | case PXA2XX_UDC_CMD_CONNECT: | 
|  | 719 | UP2OCR |=  UP2OCR_HXOE  | UP2OCR_DPPUE | UP2OCR_DPPUBE; | 
|  | 720 | break; | 
|  | 721 | case PXA2XX_UDC_CMD_DISCONNECT: | 
|  | 722 | UP2OCR &= ~(UP2OCR_HXOE  | UP2OCR_DPPUE | UP2OCR_DPPUBE); | 
|  | 723 | break; | 
|  | 724 | } | 
|  | 725 | } | 
|  | 726 |  | 
|  | 727 | /* Board doesn't support cable detection - so always lie and say | 
|  | 728 | * something is there. | 
|  | 729 | */ | 
|  | 730 | static int sg2_udc_detect(void) | 
|  | 731 | { | 
|  | 732 | return 1; | 
|  | 733 | } | 
|  | 734 |  | 
|  | 735 | static struct pxa2xx_udc_mach_info stargate2_udc_info __initdata = { | 
|  | 736 | .udc_is_connected	= sg2_udc_detect, | 
|  | 737 | .udc_command		= sg2_udc_command, | 
|  | 738 | }; | 
|  | 739 |  | 
|  | 740 | static struct platform_device *stargate2_devices[] = { | 
|  | 741 | &stargate2_flash_device, | 
|  | 742 | &stargate2_sram, | 
|  | 743 | &smc91x_device, | 
|  | 744 | &sht15, | 
|  | 745 | }; | 
|  | 746 |  | 
|  | 747 | static struct i2c_pxa_platform_data i2c_pwr_pdata = { | 
|  | 748 | .fast_mode = 1, | 
|  | 749 | }; | 
|  | 750 |  | 
|  | 751 | static struct i2c_pxa_platform_data i2c_pdata = { | 
|  | 752 | .fast_mode = 1, | 
|  | 753 | }; | 
|  | 754 |  | 
|  | 755 | static void __init stargate2_init(void) | 
|  | 756 | { | 
|  | 757 | /* This is probably a board specific hack as this must be set | 
|  | 758 | prior to connecting the MFP stuff up. */ | 
|  | 759 | MECR &= ~MECR_NOS; | 
|  | 760 |  | 
|  | 761 | pxa2xx_mfp_config(ARRAY_AND_SIZE(stargate2_pin_config)); | 
|  | 762 |  | 
| Russell King | cc155c6 | 2009-11-09 13:34:08 +0800 | [diff] [blame] | 763 | pxa_set_ffuart_info(NULL); | 
|  | 764 | pxa_set_btuart_info(NULL); | 
|  | 765 | pxa_set_stuart_info(NULL); | 
|  | 766 |  | 
| Jonathan Cameron | 4036e1d | 2009-05-16 18:20:39 +0000 | [diff] [blame] | 767 | platform_add_devices(ARRAY_AND_SIZE(stargate2_devices)); | 
|  | 768 |  | 
|  | 769 | pxa2xx_set_spi_info(1, &pxa_ssp_master_0_info); | 
|  | 770 | pxa2xx_set_spi_info(2, &pxa_ssp_master_1_info); | 
|  | 771 | pxa2xx_set_spi_info(3, &pxa_ssp_master_2_info); | 
|  | 772 | spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info)); | 
|  | 773 |  | 
|  | 774 | i2c_register_board_info(0, ARRAY_AND_SIZE(stargate2_i2c_board_info)); | 
|  | 775 | i2c_register_board_info(1, | 
|  | 776 | ARRAY_AND_SIZE(stargate2_pwr_i2c_board_info)); | 
|  | 777 | pxa27x_set_i2c_power_info(&i2c_pwr_pdata); | 
|  | 778 | pxa_set_i2c_info(&i2c_pdata); | 
|  | 779 |  | 
|  | 780 | pxa_set_mci_info(&stargate2_mci_platform_data); | 
|  | 781 |  | 
|  | 782 | pxa_set_udc_info(&stargate2_udc_info); | 
|  | 783 |  | 
|  | 784 | stargate2_reset_bluetooth(); | 
|  | 785 | } | 
|  | 786 |  | 
|  | 787 | MACHINE_START(STARGATE2, "Stargate 2") | 
|  | 788 | .phys_io = 0x40000000, | 
|  | 789 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, | 
|  | 790 | .map_io = pxa_map_io, | 
|  | 791 | .init_irq = pxa27x_init_irq, | 
|  | 792 | .timer = &pxa_timer, | 
|  | 793 | .init_machine = stargate2_init, | 
|  | 794 | .boot_params = 0xA0000100, | 
|  | 795 | MACHINE_END |