Mike Rapoport | cf75d8d | 2008-08-26 14:03:44 +0100 | [diff] [blame] | 1 | /* |
| 2 | * linux/arch/arm/mach-pxa/cm-x300.c |
| 3 | * |
| 4 | * Support for the CompuLab CM-X300 modules |
| 5 | * |
| 6 | * Copyright (C) 2008 CompuLab Ltd. |
| 7 | * |
| 8 | * Mike Rapoport <mike@compulab.co.il> |
| 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/module.h> |
| 16 | #include <linux/kernel.h> |
| 17 | #include <linux/interrupt.h> |
| 18 | #include <linux/init.h> |
| 19 | #include <linux/platform_device.h> |
| 20 | |
| 21 | #include <linux/gpio.h> |
| 22 | #include <linux/dm9000.h> |
| 23 | #include <linux/leds.h> |
| 24 | |
| 25 | #include <linux/i2c.h> |
| 26 | #include <linux/i2c/pca953x.h> |
| 27 | |
| 28 | #include <asm/mach-types.h> |
| 29 | #include <asm/mach/arch.h> |
| 30 | |
| 31 | #include <mach/mfp-pxa300.h> |
| 32 | |
| 33 | #include <mach/hardware.h> |
Mike Rapoport | cf75d8d | 2008-08-26 14:03:44 +0100 | [diff] [blame] | 34 | #include <mach/pxafb.h> |
| 35 | #include <mach/mmc.h> |
| 36 | #include <mach/ohci.h> |
| 37 | #include <mach/i2c.h> |
| 38 | #include <mach/pxa3xx_nand.h> |
| 39 | |
| 40 | #include <asm/mach/map.h> |
| 41 | |
| 42 | #include "generic.h" |
| 43 | |
| 44 | #define CM_X300_ETH_PHYS 0x08000010 |
| 45 | |
| 46 | #define GPIO82_MMC2_IRQ (82) |
| 47 | #define GPIO85_MMC2_WP (85) |
| 48 | |
| 49 | #define CM_X300_MMC2_IRQ IRQ_GPIO(GPIO82_MMC2_IRQ) |
| 50 | |
| 51 | static mfp_cfg_t cm_x300_mfp_cfg[] __initdata = { |
| 52 | /* LCD */ |
| 53 | GPIO54_LCD_LDD_0, |
| 54 | GPIO55_LCD_LDD_1, |
| 55 | GPIO56_LCD_LDD_2, |
| 56 | GPIO57_LCD_LDD_3, |
| 57 | GPIO58_LCD_LDD_4, |
| 58 | GPIO59_LCD_LDD_5, |
| 59 | GPIO60_LCD_LDD_6, |
| 60 | GPIO61_LCD_LDD_7, |
| 61 | GPIO62_LCD_LDD_8, |
| 62 | GPIO63_LCD_LDD_9, |
| 63 | GPIO64_LCD_LDD_10, |
| 64 | GPIO65_LCD_LDD_11, |
| 65 | GPIO66_LCD_LDD_12, |
| 66 | GPIO67_LCD_LDD_13, |
| 67 | GPIO68_LCD_LDD_14, |
| 68 | GPIO69_LCD_LDD_15, |
| 69 | GPIO72_LCD_FCLK, |
| 70 | GPIO73_LCD_LCLK, |
| 71 | GPIO74_LCD_PCLK, |
| 72 | GPIO75_LCD_BIAS, |
| 73 | |
| 74 | /* BTUART */ |
| 75 | GPIO111_UART2_RTS, |
| 76 | GPIO112_UART2_RXD | MFP_LPM_EDGE_FALL, |
| 77 | GPIO113_UART2_TXD, |
| 78 | GPIO114_UART2_CTS | MFP_LPM_EDGE_BOTH, |
| 79 | |
| 80 | /* STUART */ |
| 81 | GPIO109_UART3_TXD, |
| 82 | GPIO110_UART3_RXD | MFP_LPM_EDGE_FALL, |
| 83 | |
| 84 | /* AC97 */ |
| 85 | GPIO23_AC97_nACRESET, |
| 86 | GPIO24_AC97_SYSCLK, |
| 87 | GPIO29_AC97_BITCLK, |
| 88 | GPIO25_AC97_SDATA_IN_0, |
| 89 | GPIO27_AC97_SDATA_OUT, |
| 90 | GPIO28_AC97_SYNC, |
| 91 | |
| 92 | /* Keypad */ |
| 93 | GPIO115_KP_MKIN_0 | MFP_LPM_EDGE_BOTH, |
| 94 | GPIO116_KP_MKIN_1 | MFP_LPM_EDGE_BOTH, |
| 95 | GPIO117_KP_MKIN_2 | MFP_LPM_EDGE_BOTH, |
| 96 | GPIO118_KP_MKIN_3 | MFP_LPM_EDGE_BOTH, |
| 97 | GPIO119_KP_MKIN_4 | MFP_LPM_EDGE_BOTH, |
| 98 | GPIO120_KP_MKIN_5 | MFP_LPM_EDGE_BOTH, |
| 99 | GPIO2_2_KP_MKIN_6 | MFP_LPM_EDGE_BOTH, |
| 100 | GPIO3_2_KP_MKIN_7 | MFP_LPM_EDGE_BOTH, |
| 101 | GPIO121_KP_MKOUT_0, |
| 102 | GPIO122_KP_MKOUT_1, |
| 103 | GPIO123_KP_MKOUT_2, |
| 104 | GPIO124_KP_MKOUT_3, |
| 105 | GPIO125_KP_MKOUT_4, |
| 106 | GPIO4_2_KP_MKOUT_5, |
| 107 | |
| 108 | /* MMC1 */ |
| 109 | GPIO3_MMC1_DAT0, |
| 110 | GPIO4_MMC1_DAT1 | MFP_LPM_EDGE_BOTH, |
| 111 | GPIO5_MMC1_DAT2, |
| 112 | GPIO6_MMC1_DAT3, |
| 113 | GPIO7_MMC1_CLK, |
| 114 | GPIO8_MMC1_CMD, /* CMD0 for slot 0 */ |
| 115 | |
| 116 | /* MMC2 */ |
| 117 | GPIO9_MMC2_DAT0, |
| 118 | GPIO10_MMC2_DAT1 | MFP_LPM_EDGE_BOTH, |
| 119 | GPIO11_MMC2_DAT2, |
| 120 | GPIO12_MMC2_DAT3, |
| 121 | GPIO13_MMC2_CLK, |
| 122 | GPIO14_MMC2_CMD, |
| 123 | |
| 124 | /* FFUART */ |
| 125 | GPIO30_UART1_RXD | MFP_LPM_EDGE_FALL, |
| 126 | GPIO31_UART1_TXD, |
| 127 | GPIO32_UART1_CTS, |
| 128 | GPIO37_UART1_RTS, |
| 129 | GPIO33_UART1_DCD, |
| 130 | GPIO34_UART1_DSR | MFP_LPM_EDGE_FALL, |
| 131 | GPIO35_UART1_RI, |
| 132 | GPIO36_UART1_DTR, |
| 133 | |
| 134 | /* GPIOs */ |
| 135 | GPIO79_GPIO, /* LED */ |
| 136 | GPIO82_GPIO | MFP_PULL_HIGH, /* MMC CD */ |
| 137 | GPIO85_GPIO, /* MMC WP */ |
| 138 | GPIO99_GPIO, /* Ethernet IRQ */ |
Eric Miao | 6f584cf | 2008-11-28 16:00:24 +0800 | [diff] [blame] | 139 | |
| 140 | /* Standard I2C */ |
| 141 | GPIO21_I2C_SCL, |
| 142 | GPIO22_I2C_SDA, |
Mike Rapoport | cf75d8d | 2008-08-26 14:03:44 +0100 | [diff] [blame] | 143 | }; |
| 144 | |
| 145 | #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE) |
| 146 | static struct resource dm9000_resources[] = { |
| 147 | [0] = { |
| 148 | .start = CM_X300_ETH_PHYS, |
| 149 | .end = CM_X300_ETH_PHYS + 0x3, |
| 150 | .flags = IORESOURCE_MEM, |
| 151 | }, |
| 152 | [1] = { |
| 153 | .start = CM_X300_ETH_PHYS + 0x4, |
| 154 | .end = CM_X300_ETH_PHYS + 0x4 + 500, |
| 155 | .flags = IORESOURCE_MEM, |
| 156 | }, |
| 157 | [2] = { |
| 158 | .start = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99)), |
| 159 | .end = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99)), |
| 160 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, |
| 161 | } |
| 162 | }; |
| 163 | |
| 164 | static struct dm9000_plat_data cm_x300_dm9000_platdata = { |
| 165 | .flags = DM9000_PLATF_16BITONLY, |
| 166 | }; |
| 167 | |
| 168 | static struct platform_device dm9000_device = { |
| 169 | .name = "dm9000", |
| 170 | .id = 0, |
| 171 | .num_resources = ARRAY_SIZE(dm9000_resources), |
| 172 | .resource = dm9000_resources, |
| 173 | .dev = { |
| 174 | .platform_data = &cm_x300_dm9000_platdata, |
| 175 | } |
| 176 | |
| 177 | }; |
| 178 | |
| 179 | static void __init cm_x300_init_dm9000(void) |
| 180 | { |
| 181 | platform_device_register(&dm9000_device); |
| 182 | } |
| 183 | #else |
| 184 | static inline void cm_x300_init_dm9000(void) {} |
| 185 | #endif |
| 186 | |
| 187 | #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) |
| 188 | static struct pxafb_mode_info cm_x300_lcd_modes[] = { |
| 189 | [0] = { |
| 190 | .pixclock = 38000, |
| 191 | .bpp = 16, |
| 192 | .xres = 480, |
| 193 | .yres = 640, |
| 194 | .hsync_len = 8, |
| 195 | .vsync_len = 2, |
| 196 | .left_margin = 8, |
| 197 | .upper_margin = 0, |
| 198 | .right_margin = 24, |
| 199 | .lower_margin = 4, |
| 200 | .cmap_greyscale = 0, |
| 201 | }, |
| 202 | [1] = { |
| 203 | .pixclock = 153800, |
| 204 | .bpp = 16, |
| 205 | .xres = 240, |
| 206 | .yres = 320, |
| 207 | .hsync_len = 8, |
| 208 | .vsync_len = 2, |
| 209 | .left_margin = 8, |
| 210 | .upper_margin = 2, |
| 211 | .right_margin = 88, |
| 212 | .lower_margin = 2, |
| 213 | .cmap_greyscale = 0, |
| 214 | }, |
| 215 | }; |
| 216 | |
| 217 | static struct pxafb_mach_info cm_x300_lcd = { |
| 218 | .modes = cm_x300_lcd_modes, |
| 219 | .num_modes = 2, |
| 220 | .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, |
| 221 | }; |
| 222 | |
| 223 | static void __init cm_x300_init_lcd(void) |
| 224 | { |
| 225 | set_pxa_fb_info(&cm_x300_lcd); |
| 226 | } |
| 227 | #else |
| 228 | static inline void cm_x300_init_lcd(void) {} |
| 229 | #endif |
| 230 | |
| 231 | #if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE) |
| 232 | static struct mtd_partition cm_x300_nand_partitions[] = { |
| 233 | [0] = { |
| 234 | .name = "OBM", |
| 235 | .offset = 0, |
| 236 | .size = SZ_256K, |
| 237 | .mask_flags = MTD_WRITEABLE, /* force read-only */ |
| 238 | }, |
| 239 | [1] = { |
| 240 | .name = "U-Boot", |
| 241 | .offset = MTDPART_OFS_APPEND, |
| 242 | .size = SZ_256K, |
| 243 | .mask_flags = MTD_WRITEABLE, /* force read-only */ |
| 244 | }, |
| 245 | [2] = { |
| 246 | .name = "Environment", |
| 247 | .offset = MTDPART_OFS_APPEND, |
| 248 | .size = SZ_256K, |
| 249 | }, |
| 250 | [3] = { |
| 251 | .name = "reserved", |
| 252 | .offset = MTDPART_OFS_APPEND, |
| 253 | .size = SZ_256K + SZ_1M, |
| 254 | .mask_flags = MTD_WRITEABLE, /* force read-only */ |
| 255 | }, |
| 256 | [4] = { |
| 257 | .name = "kernel", |
| 258 | .offset = MTDPART_OFS_APPEND, |
| 259 | .size = SZ_4M, |
| 260 | }, |
| 261 | [5] = { |
| 262 | .name = "fs", |
| 263 | .offset = MTDPART_OFS_APPEND, |
| 264 | .size = MTDPART_SIZ_FULL, |
| 265 | }, |
| 266 | }; |
| 267 | |
| 268 | static struct pxa3xx_nand_platform_data cm_x300_nand_info = { |
| 269 | .enable_arbiter = 1, |
| 270 | .parts = cm_x300_nand_partitions, |
| 271 | .nr_parts = ARRAY_SIZE(cm_x300_nand_partitions), |
| 272 | }; |
| 273 | |
| 274 | static void __init cm_x300_init_nand(void) |
| 275 | { |
| 276 | pxa3xx_set_nand_info(&cm_x300_nand_info); |
| 277 | } |
| 278 | #else |
| 279 | static inline void cm_x300_init_nand(void) {} |
| 280 | #endif |
| 281 | |
| 282 | #if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE) |
| 283 | /* The first MMC slot of CM-X300 is hardwired to Libertas card and has |
| 284 | no detection/ro pins */ |
| 285 | static int cm_x300_mci_init(struct device *dev, |
| 286 | irq_handler_t cm_x300_detect_int, |
| 287 | void *data) |
| 288 | { |
| 289 | return 0; |
| 290 | } |
| 291 | |
| 292 | static void cm_x300_mci_exit(struct device *dev, void *data) |
| 293 | { |
| 294 | } |
| 295 | |
| 296 | static struct pxamci_platform_data cm_x300_mci_platform_data = { |
| 297 | .detect_delay = 20, |
| 298 | .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, |
| 299 | .init = cm_x300_mci_init, |
| 300 | .exit = cm_x300_mci_exit, |
| 301 | }; |
| 302 | |
| 303 | static int cm_x300_mci2_ro(struct device *dev) |
| 304 | { |
| 305 | return gpio_get_value(GPIO85_MMC2_WP); |
| 306 | } |
| 307 | |
| 308 | static int cm_x300_mci2_init(struct device *dev, |
| 309 | irq_handler_t cm_x300_detect_int, |
| 310 | void *data) |
| 311 | { |
| 312 | int err; |
| 313 | |
| 314 | /* |
| 315 | * setup GPIO for CM-X300 MMC controller |
| 316 | */ |
| 317 | err = gpio_request(GPIO82_MMC2_IRQ, "mmc card detect"); |
| 318 | if (err) |
| 319 | goto err_request_cd; |
| 320 | gpio_direction_input(GPIO82_MMC2_IRQ); |
| 321 | |
| 322 | err = gpio_request(GPIO85_MMC2_WP, "mmc write protect"); |
| 323 | if (err) |
| 324 | goto err_request_wp; |
| 325 | gpio_direction_input(GPIO85_MMC2_WP); |
| 326 | |
| 327 | err = request_irq(CM_X300_MMC2_IRQ, cm_x300_detect_int, |
| 328 | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, |
| 329 | "MMC card detect", data); |
| 330 | if (err) { |
| 331 | printk(KERN_ERR "%s: MMC/SD/SDIO: " |
| 332 | "can't request card detect IRQ\n", __func__); |
| 333 | goto err_request_irq; |
| 334 | } |
| 335 | |
| 336 | return 0; |
| 337 | |
| 338 | err_request_irq: |
| 339 | gpio_free(GPIO85_MMC2_WP); |
| 340 | err_request_wp: |
| 341 | gpio_free(GPIO82_MMC2_IRQ); |
| 342 | err_request_cd: |
| 343 | return err; |
| 344 | } |
| 345 | |
| 346 | static void cm_x300_mci2_exit(struct device *dev, void *data) |
| 347 | { |
| 348 | free_irq(CM_X300_MMC2_IRQ, data); |
| 349 | gpio_free(GPIO82_MMC2_IRQ); |
| 350 | gpio_free(GPIO85_MMC2_WP); |
| 351 | } |
| 352 | |
| 353 | static struct pxamci_platform_data cm_x300_mci2_platform_data = { |
| 354 | .detect_delay = 20, |
| 355 | .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, |
| 356 | .init = cm_x300_mci2_init, |
| 357 | .exit = cm_x300_mci2_exit, |
| 358 | .get_ro = cm_x300_mci2_ro, |
| 359 | }; |
| 360 | |
| 361 | static void __init cm_x300_init_mmc(void) |
| 362 | { |
| 363 | pxa_set_mci_info(&cm_x300_mci_platform_data); |
| 364 | pxa3xx_set_mci2_info(&cm_x300_mci2_platform_data); |
| 365 | } |
| 366 | #else |
| 367 | static inline void cm_x300_init_mmc(void) {} |
| 368 | #endif |
| 369 | |
| 370 | #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) |
Mike Rapoport | cf75d8d | 2008-08-26 14:03:44 +0100 | [diff] [blame] | 371 | static struct pxaohci_platform_data cm_x300_ohci_platform_data = { |
| 372 | .port_mode = PMM_PERPORT_MODE, |
Eric Miao | 097b533 | 2008-09-27 15:49:57 +0800 | [diff] [blame] | 373 | .flags = ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW, |
Mike Rapoport | cf75d8d | 2008-08-26 14:03:44 +0100 | [diff] [blame] | 374 | }; |
Eric Miao | 097b533 | 2008-09-27 15:49:57 +0800 | [diff] [blame] | 375 | |
Mike Rapoport | cf75d8d | 2008-08-26 14:03:44 +0100 | [diff] [blame] | 376 | static void __init cm_x300_init_ohci(void) |
| 377 | { |
| 378 | pxa_set_ohci_info(&cm_x300_ohci_platform_data); |
| 379 | } |
| 380 | #else |
| 381 | static inline void cm_x300_init_ohci(void) {} |
| 382 | #endif |
| 383 | |
| 384 | #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) |
| 385 | static struct gpio_led cm_x300_leds[] = { |
| 386 | [0] = { |
| 387 | .name = "cm-x300:green", |
| 388 | .default_trigger = "heartbeat", |
| 389 | .gpio = 79, |
| 390 | .active_low = 1, |
| 391 | }, |
| 392 | }; |
| 393 | |
| 394 | static struct gpio_led_platform_data cm_x300_gpio_led_pdata = { |
| 395 | .num_leds = ARRAY_SIZE(cm_x300_leds), |
| 396 | .leds = cm_x300_leds, |
| 397 | }; |
| 398 | |
| 399 | static struct platform_device cm_x300_led_device = { |
| 400 | .name = "leds-gpio", |
| 401 | .id = -1, |
| 402 | .dev = { |
| 403 | .platform_data = &cm_x300_gpio_led_pdata, |
| 404 | }, |
| 405 | }; |
| 406 | |
| 407 | static void __init cm_x300_init_leds(void) |
| 408 | { |
| 409 | platform_device_register(&cm_x300_led_device); |
| 410 | } |
| 411 | #else |
| 412 | static inline void cm_x300_init_leds(void) {} |
| 413 | #endif |
| 414 | |
| 415 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) |
| 416 | /* PCA9555 */ |
| 417 | static struct pca953x_platform_data cm_x300_gpio_ext_pdata_0 = { |
| 418 | .gpio_base = 128, |
| 419 | }; |
| 420 | |
| 421 | static struct pca953x_platform_data cm_x300_gpio_ext_pdata_1 = { |
| 422 | .gpio_base = 144, |
| 423 | }; |
| 424 | |
| 425 | static struct i2c_board_info cm_x300_gpio_ext_info[] = { |
| 426 | [0] = { |
| 427 | I2C_BOARD_INFO("pca9555", 0x24), |
| 428 | .platform_data = &cm_x300_gpio_ext_pdata_0, |
| 429 | }, |
| 430 | [1] = { |
| 431 | I2C_BOARD_INFO("pca9555", 0x25), |
| 432 | .platform_data = &cm_x300_gpio_ext_pdata_1, |
| 433 | }, |
| 434 | }; |
| 435 | |
| 436 | static void __init cm_x300_init_i2c(void) |
| 437 | { |
| 438 | pxa_set_i2c_info(NULL); |
| 439 | i2c_register_board_info(0, cm_x300_gpio_ext_info, |
| 440 | ARRAY_SIZE(cm_x300_gpio_ext_info)); |
| 441 | } |
| 442 | #else |
| 443 | static inline void cm_x300_init_i2c(void) {} |
| 444 | #endif |
| 445 | |
| 446 | static void __init cm_x300_init(void) |
| 447 | { |
| 448 | /* board-processor specific GPIO initialization */ |
| 449 | pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x300_mfp_cfg)); |
| 450 | |
| 451 | cm_x300_init_dm9000(); |
| 452 | cm_x300_init_lcd(); |
| 453 | cm_x300_init_ohci(); |
| 454 | cm_x300_init_mmc(); |
| 455 | cm_x300_init_nand(); |
| 456 | cm_x300_init_leds(); |
| 457 | cm_x300_init_i2c(); |
| 458 | } |
| 459 | |
| 460 | MACHINE_START(CM_X300, "CM-X300 module") |
| 461 | .phys_io = 0x40000000, |
| 462 | .boot_params = 0xa0000100, |
| 463 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, |
| 464 | .map_io = pxa_map_io, |
| 465 | .init_irq = pxa3xx_init_irq, |
| 466 | .timer = &pxa_timer, |
| 467 | .init_machine = cm_x300_init, |
| 468 | MACHINE_END |