Kevin Hilman | 95a3477 | 2009-04-29 12:10:55 -0700 | [diff] [blame] | 1 | /* |
| 2 | * TI DaVinci EVM board support |
| 3 | * |
| 4 | * Author: Kevin Hilman, Deep Root Systems, LLC |
| 5 | * |
| 6 | * 2007 (c) MontaVista Software, Inc. This file is licensed under |
| 7 | * the terms of the GNU General Public License version 2. This program |
| 8 | * is licensed "as is" without any warranty of any kind, whether express |
| 9 | * or implied. |
| 10 | */ |
| 11 | #include <linux/kernel.h> |
Kevin Hilman | 95a3477 | 2009-04-29 12:10:55 -0700 | [diff] [blame] | 12 | #include <linux/init.h> |
Sergei Shtylyov | 42d399e | 2009-10-02 22:05:29 +0400 | [diff] [blame] | 13 | #include <linux/err.h> |
Kevin Hilman | 95a3477 | 2009-04-29 12:10:55 -0700 | [diff] [blame] | 14 | #include <linux/platform_device.h> |
| 15 | #include <linux/mtd/mtd.h> |
| 16 | #include <linux/mtd/partitions.h> |
| 17 | #include <linux/mtd/nand.h> |
| 18 | #include <linux/i2c.h> |
Kevin Hilman | 95a3477 | 2009-04-29 12:10:55 -0700 | [diff] [blame] | 19 | #include <linux/gpio.h> |
| 20 | #include <linux/clk.h> |
Muralidharan Karicheri | 51e68e2 | 2009-09-16 12:02:50 -0400 | [diff] [blame] | 21 | #include <linux/videodev2.h> |
| 22 | #include <media/tvp514x.h> |
Kevin Hilman | 95a3477 | 2009-04-29 12:10:55 -0700 | [diff] [blame] | 23 | #include <linux/spi/spi.h> |
| 24 | #include <linux/spi/eeprom.h> |
| 25 | |
Kevin Hilman | 95a3477 | 2009-04-29 12:10:55 -0700 | [diff] [blame] | 26 | #include <asm/mach-types.h> |
| 27 | #include <asm/mach/arch.h> |
Kevin Hilman | 95a3477 | 2009-04-29 12:10:55 -0700 | [diff] [blame] | 28 | |
Kevin Hilman | 95a3477 | 2009-04-29 12:10:55 -0700 | [diff] [blame] | 29 | #include <mach/dm355.h> |
Kevin Hilman | 95a3477 | 2009-04-29 12:10:55 -0700 | [diff] [blame] | 30 | #include <mach/i2c.h> |
| 31 | #include <mach/serial.h> |
| 32 | #include <mach/nand.h> |
Kevin Hilman | 2dbf56ae | 2009-05-11 15:55:03 -0700 | [diff] [blame] | 33 | #include <mach/mmc.h> |
Sergei Shtylyov | 355fb4e | 2009-10-30 23:46:14 +0400 | [diff] [blame] | 34 | #include <mach/usb.h> |
Kevin Hilman | 95a3477 | 2009-04-29 12:10:55 -0700 | [diff] [blame] | 35 | |
Kevin Hilman | 95a3477 | 2009-04-29 12:10:55 -0700 | [diff] [blame] | 36 | /* NOTE: this is geared for the standard config, with a socketed |
| 37 | * 2 GByte Micron NAND (MT29F16G08FAA) using 128KB sectors. If you |
| 38 | * swap chips, maybe with a different block size, partitioning may |
| 39 | * need to be changed. |
| 40 | */ |
| 41 | #define NAND_BLOCK_SIZE SZ_128K |
| 42 | |
| 43 | static struct mtd_partition davinci_nand_partitions[] = { |
| 44 | { |
| 45 | /* UBL (a few copies) plus U-Boot */ |
| 46 | .name = "bootloader", |
| 47 | .offset = 0, |
| 48 | .size = 15 * NAND_BLOCK_SIZE, |
| 49 | .mask_flags = MTD_WRITEABLE, /* force read-only */ |
| 50 | }, { |
| 51 | /* U-Boot environment */ |
| 52 | .name = "params", |
| 53 | .offset = MTDPART_OFS_APPEND, |
| 54 | .size = 1 * NAND_BLOCK_SIZE, |
| 55 | .mask_flags = 0, |
| 56 | }, { |
| 57 | .name = "kernel", |
| 58 | .offset = MTDPART_OFS_APPEND, |
| 59 | .size = SZ_4M, |
| 60 | .mask_flags = 0, |
| 61 | }, { |
| 62 | .name = "filesystem1", |
| 63 | .offset = MTDPART_OFS_APPEND, |
| 64 | .size = SZ_512M, |
| 65 | .mask_flags = 0, |
| 66 | }, { |
| 67 | .name = "filesystem2", |
| 68 | .offset = MTDPART_OFS_APPEND, |
| 69 | .size = MTDPART_SIZ_FULL, |
| 70 | .mask_flags = 0, |
| 71 | } |
| 72 | /* two blocks with bad block table (and mirror) at the end */ |
| 73 | }; |
| 74 | |
| 75 | static struct davinci_nand_pdata davinci_nand_data = { |
| 76 | .mask_chipsel = BIT(14), |
| 77 | .parts = davinci_nand_partitions, |
| 78 | .nr_parts = ARRAY_SIZE(davinci_nand_partitions), |
Sneha Narnakaje | 74c987a | 2009-09-16 22:59:48 -0400 | [diff] [blame] | 79 | .ecc_mode = NAND_ECC_HW, |
Kevin Hilman | 95a3477 | 2009-04-29 12:10:55 -0700 | [diff] [blame] | 80 | .options = NAND_USE_FLASH_BBT, |
Sneha Narnakaje | 74c987a | 2009-09-16 22:59:48 -0400 | [diff] [blame] | 81 | .ecc_bits = 4, |
Kevin Hilman | 95a3477 | 2009-04-29 12:10:55 -0700 | [diff] [blame] | 82 | }; |
| 83 | |
| 84 | static struct resource davinci_nand_resources[] = { |
| 85 | { |
Sergei Shtylyov | 7034217 | 2010-04-16 21:29:11 +0400 | [diff] [blame] | 86 | .start = DM355_ASYNC_EMIF_DATA_CE0_BASE, |
| 87 | .end = DM355_ASYNC_EMIF_DATA_CE0_BASE + SZ_32M - 1, |
Kevin Hilman | 95a3477 | 2009-04-29 12:10:55 -0700 | [diff] [blame] | 88 | .flags = IORESOURCE_MEM, |
| 89 | }, { |
Sergei Shtylyov | 7034217 | 2010-04-16 21:29:11 +0400 | [diff] [blame] | 90 | .start = DM355_ASYNC_EMIF_CONTROL_BASE, |
| 91 | .end = DM355_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1, |
Kevin Hilman | 95a3477 | 2009-04-29 12:10:55 -0700 | [diff] [blame] | 92 | .flags = IORESOURCE_MEM, |
| 93 | }, |
| 94 | }; |
| 95 | |
| 96 | static struct platform_device davinci_nand_device = { |
| 97 | .name = "davinci_nand", |
| 98 | .id = 0, |
| 99 | |
| 100 | .num_resources = ARRAY_SIZE(davinci_nand_resources), |
| 101 | .resource = davinci_nand_resources, |
| 102 | |
| 103 | .dev = { |
| 104 | .platform_data = &davinci_nand_data, |
| 105 | }, |
| 106 | }; |
| 107 | |
| 108 | static struct davinci_i2c_platform_data i2c_pdata = { |
| 109 | .bus_freq = 400 /* kHz */, |
| 110 | .bus_delay = 0 /* usec */, |
Philby John | 00642f6 | 2010-01-11 15:53:31 +0530 | [diff] [blame] | 111 | .sda_pin = 15, |
| 112 | .scl_pin = 14, |
Kevin Hilman | 95a3477 | 2009-04-29 12:10:55 -0700 | [diff] [blame] | 113 | }; |
| 114 | |
Kevin Hilman | 61aa073 | 2009-07-15 08:47:48 -0700 | [diff] [blame] | 115 | static struct snd_platform_data dm355_evm_snd_data; |
Chaithrika U S | 25acf55 | 2009-06-05 06:28:08 -0400 | [diff] [blame] | 116 | |
Kevin Hilman | 95a3477 | 2009-04-29 12:10:55 -0700 | [diff] [blame] | 117 | static int dm355evm_mmc_gpios = -EINVAL; |
| 118 | |
| 119 | static void dm355evm_mmcsd_gpios(unsigned gpio) |
| 120 | { |
| 121 | gpio_request(gpio + 0, "mmc0_ro"); |
| 122 | gpio_request(gpio + 1, "mmc0_cd"); |
| 123 | gpio_request(gpio + 2, "mmc1_ro"); |
| 124 | gpio_request(gpio + 3, "mmc1_cd"); |
| 125 | |
| 126 | /* we "know" these are input-only so we don't |
| 127 | * need to call gpio_direction_input() |
| 128 | */ |
| 129 | |
| 130 | dm355evm_mmc_gpios = gpio; |
| 131 | } |
| 132 | |
| 133 | static struct i2c_board_info dm355evm_i2c_info[] = { |
Muralidharan Karicheri | 51e68e2 | 2009-09-16 12:02:50 -0400 | [diff] [blame] | 134 | { I2C_BOARD_INFO("dm355evm_msp", 0x25), |
Kevin Hilman | 95a3477 | 2009-04-29 12:10:55 -0700 | [diff] [blame] | 135 | .platform_data = dm355evm_mmcsd_gpios, |
Muralidharan Karicheri | 51e68e2 | 2009-09-16 12:02:50 -0400 | [diff] [blame] | 136 | }, |
| 137 | /* { plus irq }, */ |
Chaithrika U S | 1a7ff8f | 2009-08-25 15:20:05 +0300 | [diff] [blame] | 138 | { I2C_BOARD_INFO("tlv320aic33", 0x1b), }, |
Kevin Hilman | 95a3477 | 2009-04-29 12:10:55 -0700 | [diff] [blame] | 139 | }; |
| 140 | |
| 141 | static void __init evm_init_i2c(void) |
| 142 | { |
| 143 | davinci_init_i2c(&i2c_pdata); |
| 144 | |
| 145 | gpio_request(5, "dm355evm_msp"); |
| 146 | gpio_direction_input(5); |
| 147 | dm355evm_i2c_info[0].irq = gpio_to_irq(5); |
| 148 | |
| 149 | i2c_register_board_info(1, dm355evm_i2c_info, |
| 150 | ARRAY_SIZE(dm355evm_i2c_info)); |
| 151 | } |
| 152 | |
| 153 | static struct resource dm355evm_dm9000_rsrc[] = { |
| 154 | { |
| 155 | /* addr */ |
| 156 | .start = 0x04014000, |
| 157 | .end = 0x04014001, |
| 158 | .flags = IORESOURCE_MEM, |
| 159 | }, { |
| 160 | /* data */ |
| 161 | .start = 0x04014002, |
| 162 | .end = 0x04014003, |
| 163 | .flags = IORESOURCE_MEM, |
| 164 | }, { |
| 165 | .flags = IORESOURCE_IRQ |
| 166 | | IORESOURCE_IRQ_HIGHEDGE /* rising (active high) */, |
| 167 | }, |
| 168 | }; |
| 169 | |
| 170 | static struct platform_device dm355evm_dm9000 = { |
| 171 | .name = "dm9000", |
| 172 | .id = -1, |
| 173 | .resource = dm355evm_dm9000_rsrc, |
| 174 | .num_resources = ARRAY_SIZE(dm355evm_dm9000_rsrc), |
| 175 | }; |
| 176 | |
Muralidharan Karicheri | 51e68e2 | 2009-09-16 12:02:50 -0400 | [diff] [blame] | 177 | static struct tvp514x_platform_data tvp5146_pdata = { |
| 178 | .clk_polarity = 0, |
| 179 | .hs_polarity = 1, |
| 180 | .vs_polarity = 1 |
| 181 | }; |
| 182 | |
| 183 | #define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL) |
| 184 | /* Inputs available at the TVP5146 */ |
| 185 | static struct v4l2_input tvp5146_inputs[] = { |
| 186 | { |
| 187 | .index = 0, |
| 188 | .name = "Composite", |
| 189 | .type = V4L2_INPUT_TYPE_CAMERA, |
| 190 | .std = TVP514X_STD_ALL, |
| 191 | }, |
| 192 | { |
| 193 | .index = 1, |
| 194 | .name = "S-Video", |
| 195 | .type = V4L2_INPUT_TYPE_CAMERA, |
| 196 | .std = TVP514X_STD_ALL, |
| 197 | }, |
| 198 | }; |
| 199 | |
| 200 | /* |
| 201 | * this is the route info for connecting each input to decoder |
| 202 | * ouput that goes to vpfe. There is a one to one correspondence |
| 203 | * with tvp5146_inputs |
| 204 | */ |
| 205 | static struct vpfe_route tvp5146_routes[] = { |
| 206 | { |
| 207 | .input = INPUT_CVBS_VI2B, |
| 208 | .output = OUTPUT_10BIT_422_EMBEDDED_SYNC, |
| 209 | }, |
| 210 | { |
| 211 | .input = INPUT_SVIDEO_VI2C_VI1C, |
| 212 | .output = OUTPUT_10BIT_422_EMBEDDED_SYNC, |
| 213 | }, |
| 214 | }; |
| 215 | |
| 216 | static struct vpfe_subdev_info vpfe_sub_devs[] = { |
| 217 | { |
| 218 | .name = "tvp5146", |
| 219 | .grp_id = 0, |
| 220 | .num_inputs = ARRAY_SIZE(tvp5146_inputs), |
| 221 | .inputs = tvp5146_inputs, |
| 222 | .routes = tvp5146_routes, |
| 223 | .can_route = 1, |
| 224 | .ccdc_if_params = { |
| 225 | .if_type = VPFE_BT656, |
| 226 | .hdpol = VPFE_PINPOL_POSITIVE, |
| 227 | .vdpol = VPFE_PINPOL_POSITIVE, |
| 228 | }, |
| 229 | .board_info = { |
| 230 | I2C_BOARD_INFO("tvp5146", 0x5d), |
| 231 | .platform_data = &tvp5146_pdata, |
| 232 | }, |
| 233 | } |
| 234 | }; |
| 235 | |
| 236 | static struct vpfe_config vpfe_cfg = { |
| 237 | .num_subdevs = ARRAY_SIZE(vpfe_sub_devs), |
Vaibhav Hiremath | 077639f | 2009-10-13 15:08:54 +0000 | [diff] [blame] | 238 | .i2c_adapter_id = 1, |
Muralidharan Karicheri | 51e68e2 | 2009-09-16 12:02:50 -0400 | [diff] [blame] | 239 | .sub_devs = vpfe_sub_devs, |
| 240 | .card_name = "DM355 EVM", |
| 241 | .ccdc = "DM355 CCDC", |
| 242 | }; |
| 243 | |
Kevin Hilman | 95a3477 | 2009-04-29 12:10:55 -0700 | [diff] [blame] | 244 | static struct platform_device *davinci_evm_devices[] __initdata = { |
| 245 | &dm355evm_dm9000, |
| 246 | &davinci_nand_device, |
| 247 | }; |
| 248 | |
| 249 | static struct davinci_uart_config uart_config __initdata = { |
| 250 | .enabled_uarts = (1 << 0), |
| 251 | }; |
| 252 | |
| 253 | static void __init dm355_evm_map_io(void) |
| 254 | { |
Muralidharan Karicheri | 51e68e2 | 2009-09-16 12:02:50 -0400 | [diff] [blame] | 255 | /* setup input configuration for VPFE input devices */ |
| 256 | dm355_set_vpfe_config(&vpfe_cfg); |
Kevin Hilman | 95a3477 | 2009-04-29 12:10:55 -0700 | [diff] [blame] | 257 | dm355_init(); |
| 258 | } |
| 259 | |
Kevin Hilman | 2dbf56ae | 2009-05-11 15:55:03 -0700 | [diff] [blame] | 260 | static int dm355evm_mmc_get_cd(int module) |
| 261 | { |
| 262 | if (!gpio_is_valid(dm355evm_mmc_gpios)) |
| 263 | return -ENXIO; |
| 264 | /* low == card present */ |
| 265 | return !gpio_get_value_cansleep(dm355evm_mmc_gpios + 2 * module + 1); |
| 266 | } |
| 267 | |
| 268 | static int dm355evm_mmc_get_ro(int module) |
| 269 | { |
| 270 | if (!gpio_is_valid(dm355evm_mmc_gpios)) |
| 271 | return -ENXIO; |
| 272 | /* high == card's write protect switch active */ |
| 273 | return gpio_get_value_cansleep(dm355evm_mmc_gpios + 2 * module + 0); |
| 274 | } |
| 275 | |
| 276 | static struct davinci_mmc_config dm355evm_mmc_config = { |
| 277 | .get_cd = dm355evm_mmc_get_cd, |
| 278 | .get_ro = dm355evm_mmc_get_ro, |
| 279 | .wires = 4, |
| 280 | .max_freq = 50000000, |
| 281 | .caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED, |
| 282 | .version = MMC_CTLR_VERSION_1, |
| 283 | }; |
| 284 | |
Kevin Hilman | 95a3477 | 2009-04-29 12:10:55 -0700 | [diff] [blame] | 285 | /* Don't connect anything to J10 unless you're only using USB host |
| 286 | * mode *and* have to do so with some kind of gender-bender. If |
| 287 | * you have proper Mini-B or Mini-A cables (or Mini-A adapters) |
| 288 | * the ID pin won't need any help. |
| 289 | */ |
| 290 | #ifdef CONFIG_USB_MUSB_PERIPHERAL |
| 291 | #define USB_ID_VALUE 0 /* ID pulled high; *should* float */ |
| 292 | #else |
| 293 | #define USB_ID_VALUE 1 /* ID pulled low */ |
| 294 | #endif |
| 295 | |
| 296 | static struct spi_eeprom at25640a = { |
| 297 | .byte_len = SZ_64K / 8, |
| 298 | .name = "at25640a", |
| 299 | .page_size = 32, |
| 300 | .flags = EE_ADDR2, |
| 301 | }; |
| 302 | |
| 303 | static struct spi_board_info dm355_evm_spi_info[] __initconst = { |
| 304 | { |
| 305 | .modalias = "at25", |
| 306 | .platform_data = &at25640a, |
| 307 | .max_speed_hz = 10 * 1000 * 1000, /* at 3v3 */ |
| 308 | .bus_num = 0, |
| 309 | .chip_select = 0, |
| 310 | .mode = SPI_MODE_0, |
| 311 | }, |
| 312 | }; |
| 313 | |
| 314 | static __init void dm355_evm_init(void) |
| 315 | { |
| 316 | struct clk *aemif; |
| 317 | |
| 318 | gpio_request(1, "dm9000"); |
| 319 | gpio_direction_input(1); |
| 320 | dm355evm_dm9000_rsrc[2].start = gpio_to_irq(1); |
| 321 | |
| 322 | aemif = clk_get(&dm355evm_dm9000.dev, "aemif"); |
| 323 | if (IS_ERR(aemif)) |
| 324 | WARN("%s: unable to get AEMIF clock\n", __func__); |
| 325 | else |
| 326 | clk_enable(aemif); |
| 327 | |
| 328 | platform_add_devices(davinci_evm_devices, |
| 329 | ARRAY_SIZE(davinci_evm_devices)); |
| 330 | evm_init_i2c(); |
| 331 | davinci_serial_init(&uart_config); |
| 332 | |
| 333 | /* NOTE: NAND flash timings set by the UBL are slower than |
| 334 | * needed by MT29F16G08FAA chips ... EMIF.A1CR is 0x40400204 |
| 335 | * but could be 0x0400008c for about 25% faster page reads. |
| 336 | */ |
| 337 | |
| 338 | gpio_request(2, "usb_id_toggle"); |
| 339 | gpio_direction_output(2, USB_ID_VALUE); |
| 340 | /* irlml6401 switches over 1A in under 8 msec */ |
Sergei Shtylyov | 355fb4e | 2009-10-30 23:46:14 +0400 | [diff] [blame] | 341 | davinci_setup_usb(1000, 8); |
Kevin Hilman | 95a3477 | 2009-04-29 12:10:55 -0700 | [diff] [blame] | 342 | |
Kevin Hilman | 2dbf56ae | 2009-05-11 15:55:03 -0700 | [diff] [blame] | 343 | davinci_setup_mmc(0, &dm355evm_mmc_config); |
| 344 | davinci_setup_mmc(1, &dm355evm_mmc_config); |
| 345 | |
Kevin Hilman | 95a3477 | 2009-04-29 12:10:55 -0700 | [diff] [blame] | 346 | dm355_init_spi0(BIT(0), dm355_evm_spi_info, |
| 347 | ARRAY_SIZE(dm355_evm_spi_info)); |
Chaithrika U S | 25acf55 | 2009-06-05 06:28:08 -0400 | [diff] [blame] | 348 | |
| 349 | /* DM335 EVM uses ASP1; line-out is a stereo mini-jack */ |
| 350 | dm355_init_asp1(ASP1_TX_EVT_EN | ASP1_RX_EVT_EN, &dm355_evm_snd_data); |
Kevin Hilman | 95a3477 | 2009-04-29 12:10:55 -0700 | [diff] [blame] | 351 | } |
| 352 | |
Kevin Hilman | 95a3477 | 2009-04-29 12:10:55 -0700 | [diff] [blame] | 353 | MACHINE_START(DAVINCI_DM355_EVM, "DaVinci DM355 EVM") |
Kevin Hilman | 95a3477 | 2009-04-29 12:10:55 -0700 | [diff] [blame] | 354 | .boot_params = (0x80000100), |
| 355 | .map_io = dm355_evm_map_io, |
Cyril Chemparathy | bd80894 | 2010-05-07 17:06:37 -0400 | [diff] [blame] | 356 | .init_irq = davinci_irq_init, |
Kevin Hilman | 95a3477 | 2009-04-29 12:10:55 -0700 | [diff] [blame] | 357 | .timer = &davinci_timer, |
| 358 | .init_machine = dm355_evm_init, |
| 359 | MACHINE_END |