diff options
Diffstat (limited to 'arch/arm/mach-mx2/mach-pcm038.c')
| -rw-r--r-- | arch/arm/mach-mx2/mach-pcm038.c | 358 |
1 files changed, 358 insertions, 0 deletions
diff --git a/arch/arm/mach-mx2/mach-pcm038.c b/arch/arm/mach-mx2/mach-pcm038.c new file mode 100644 index 000000000000..035fbe046ec0 --- /dev/null +++ b/arch/arm/mach-mx2/mach-pcm038.c | |||
| @@ -0,0 +1,358 @@ | |||
| 1 | /* | ||
| 2 | * Copyright 2007 Robert Schwebel <r.schwebel@pengutronix.de>, Pengutronix | ||
| 3 | * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de) | ||
| 4 | * | ||
| 5 | * This program is free software; you can redistribute it and/or | ||
| 6 | * modify it under the terms of the GNU General Public License | ||
| 7 | * as published by the Free Software Foundation; either version 2 | ||
| 8 | * of the License, or (at your option) any later version. | ||
| 9 | * This program is distributed in the hope that it will be useful, | ||
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 12 | * GNU General Public License for more details. | ||
| 13 | * | ||
| 14 | * You should have received a copy of the GNU General Public License | ||
| 15 | * along with this program; if not, write to the Free Software | ||
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, | ||
| 17 | * MA 02110-1301, USA. | ||
| 18 | */ | ||
| 19 | |||
| 20 | #include <linux/i2c.h> | ||
| 21 | #include <linux/i2c/at24.h> | ||
| 22 | #include <linux/io.h> | ||
| 23 | #include <linux/mtd/plat-ram.h> | ||
| 24 | #include <linux/mtd/physmap.h> | ||
| 25 | #include <linux/platform_device.h> | ||
| 26 | #include <linux/regulator/machine.h> | ||
| 27 | #include <linux/mfd/mc13783.h> | ||
| 28 | #include <linux/spi/spi.h> | ||
| 29 | #include <linux/irq.h> | ||
| 30 | |||
| 31 | #include <asm/mach-types.h> | ||
| 32 | #include <asm/mach/arch.h> | ||
| 33 | #include <asm/mach/time.h> | ||
| 34 | |||
| 35 | #include <mach/board-pcm038.h> | ||
| 36 | #include <mach/common.h> | ||
| 37 | #include <mach/hardware.h> | ||
| 38 | #include <mach/i2c.h> | ||
| 39 | #include <mach/iomux-mx27.h> | ||
| 40 | #include <mach/imx-uart.h> | ||
| 41 | #include <mach/mxc_nand.h> | ||
| 42 | #include <mach/spi.h> | ||
| 43 | #include <mach/mxc_ehci.h> | ||
| 44 | #include <mach/ulpi.h> | ||
| 45 | |||
| 46 | #include "devices.h" | ||
| 47 | |||
| 48 | static int pcm038_pins[] = { | ||
| 49 | /* UART1 */ | ||
| 50 | PE12_PF_UART1_TXD, | ||
| 51 | PE13_PF_UART1_RXD, | ||
| 52 | PE14_PF_UART1_CTS, | ||
| 53 | PE15_PF_UART1_RTS, | ||
| 54 | /* UART2 */ | ||
| 55 | PE3_PF_UART2_CTS, | ||
| 56 | PE4_PF_UART2_RTS, | ||
| 57 | PE6_PF_UART2_TXD, | ||
| 58 | PE7_PF_UART2_RXD, | ||
| 59 | /* UART3 */ | ||
| 60 | PE8_PF_UART3_TXD, | ||
| 61 | PE9_PF_UART3_RXD, | ||
| 62 | PE10_PF_UART3_CTS, | ||
| 63 | PE11_PF_UART3_RTS, | ||
| 64 | /* FEC */ | ||
| 65 | PD0_AIN_FEC_TXD0, | ||
| 66 | PD1_AIN_FEC_TXD1, | ||
| 67 | PD2_AIN_FEC_TXD2, | ||
| 68 | PD3_AIN_FEC_TXD3, | ||
| 69 | PD4_AOUT_FEC_RX_ER, | ||
| 70 | PD5_AOUT_FEC_RXD1, | ||
| 71 | PD6_AOUT_FEC_RXD2, | ||
| 72 | PD7_AOUT_FEC_RXD3, | ||
| 73 | PD8_AF_FEC_MDIO, | ||
| 74 | PD9_AIN_FEC_MDC, | ||
| 75 | PD10_AOUT_FEC_CRS, | ||
| 76 | PD11_AOUT_FEC_TX_CLK, | ||
| 77 | PD12_AOUT_FEC_RXD0, | ||
| 78 | PD13_AOUT_FEC_RX_DV, | ||
| 79 | PD14_AOUT_FEC_RX_CLK, | ||
| 80 | PD15_AOUT_FEC_COL, | ||
| 81 | PD16_AIN_FEC_TX_ER, | ||
| 82 | PF23_AIN_FEC_TX_EN, | ||
| 83 | /* I2C2 */ | ||
| 84 | PC5_PF_I2C2_SDA, | ||
| 85 | PC6_PF_I2C2_SCL, | ||
| 86 | /* SPI1 */ | ||
| 87 | PD25_PF_CSPI1_RDY, | ||
| 88 | PD29_PF_CSPI1_SCLK, | ||
| 89 | PD30_PF_CSPI1_MISO, | ||
| 90 | PD31_PF_CSPI1_MOSI, | ||
| 91 | /* SSI1 */ | ||
| 92 | PC20_PF_SSI1_FS, | ||
| 93 | PC21_PF_SSI1_RXD, | ||
| 94 | PC22_PF_SSI1_TXD, | ||
| 95 | PC23_PF_SSI1_CLK, | ||
| 96 | /* SSI4 */ | ||
| 97 | PC16_PF_SSI4_FS, | ||
| 98 | PC17_PF_SSI4_RXD, | ||
| 99 | PC18_PF_SSI4_TXD, | ||
| 100 | PC19_PF_SSI4_CLK, | ||
| 101 | /* USB host */ | ||
| 102 | PA0_PF_USBH2_CLK, | ||
| 103 | PA1_PF_USBH2_DIR, | ||
| 104 | PA2_PF_USBH2_DATA7, | ||
| 105 | PA3_PF_USBH2_NXT, | ||
| 106 | PA4_PF_USBH2_STP, | ||
| 107 | PD19_AF_USBH2_DATA4, | ||
| 108 | PD20_AF_USBH2_DATA3, | ||
| 109 | PD21_AF_USBH2_DATA6, | ||
| 110 | PD22_AF_USBH2_DATA0, | ||
| 111 | PD23_AF_USBH2_DATA2, | ||
| 112 | PD24_AF_USBH2_DATA1, | ||
| 113 | PD26_AF_USBH2_DATA5, | ||
| 114 | }; | ||
| 115 | |||
| 116 | /* | ||
| 117 | * Phytec's PCM038 comes with 2MiB battery buffered SRAM, | ||
| 118 | * 16 bit width | ||
| 119 | */ | ||
| 120 | |||
| 121 | static struct platdata_mtd_ram pcm038_sram_data = { | ||
| 122 | .bankwidth = 2, | ||
| 123 | }; | ||
| 124 | |||
| 125 | static struct resource pcm038_sram_resource = { | ||
| 126 | .start = MX27_CS1_BASE_ADDR, | ||
| 127 | .end = MX27_CS1_BASE_ADDR + 512 * 1024 - 1, | ||
| 128 | .flags = IORESOURCE_MEM, | ||
| 129 | }; | ||
| 130 | |||
| 131 | static struct platform_device pcm038_sram_mtd_device = { | ||
| 132 | .name = "mtd-ram", | ||
| 133 | .id = 0, | ||
| 134 | .dev = { | ||
| 135 | .platform_data = &pcm038_sram_data, | ||
| 136 | }, | ||
| 137 | .num_resources = 1, | ||
| 138 | .resource = &pcm038_sram_resource, | ||
| 139 | }; | ||
| 140 | |||
| 141 | /* | ||
| 142 | * Phytec's phyCORE-i.MX27 comes with 32MiB flash, | ||
| 143 | * 16 bit width | ||
| 144 | */ | ||
| 145 | static struct physmap_flash_data pcm038_flash_data = { | ||
| 146 | .width = 2, | ||
| 147 | }; | ||
| 148 | |||
| 149 | static struct resource pcm038_flash_resource = { | ||
| 150 | .start = 0xc0000000, | ||
| 151 | .end = 0xc1ffffff, | ||
| 152 | .flags = IORESOURCE_MEM, | ||
| 153 | }; | ||
| 154 | |||
| 155 | static struct platform_device pcm038_nor_mtd_device = { | ||
| 156 | .name = "physmap-flash", | ||
| 157 | .id = 0, | ||
| 158 | .dev = { | ||
| 159 | .platform_data = &pcm038_flash_data, | ||
| 160 | }, | ||
| 161 | .num_resources = 1, | ||
| 162 | .resource = &pcm038_flash_resource, | ||
| 163 | }; | ||
| 164 | |||
| 165 | static struct imxuart_platform_data uart_pdata[] = { | ||
| 166 | { | ||
| 167 | .flags = IMXUART_HAVE_RTSCTS, | ||
| 168 | }, { | ||
| 169 | .flags = IMXUART_HAVE_RTSCTS, | ||
| 170 | }, { | ||
| 171 | .flags = IMXUART_HAVE_RTSCTS, | ||
| 172 | }, | ||
| 173 | }; | ||
| 174 | |||
| 175 | static struct mxc_nand_platform_data pcm038_nand_board_info = { | ||
| 176 | .width = 1, | ||
| 177 | .hw_ecc = 1, | ||
| 178 | }; | ||
| 179 | |||
| 180 | static struct platform_device *platform_devices[] __initdata = { | ||
| 181 | &pcm038_nor_mtd_device, | ||
| 182 | &mxc_w1_master_device, | ||
| 183 | &mxc_fec_device, | ||
| 184 | &pcm038_sram_mtd_device, | ||
| 185 | }; | ||
| 186 | |||
| 187 | /* On pcm038 there's a sram attached to CS1, we enable the chipselect here and | ||
| 188 | * setup other stuffs to access the sram. */ | ||
| 189 | static void __init pcm038_init_sram(void) | ||
| 190 | { | ||
| 191 | mx27_setup_weimcs(1, 0x0000d843, 0x22252521, 0x22220a00); | ||
| 192 | } | ||
| 193 | |||
| 194 | static struct imxi2c_platform_data pcm038_i2c_1_data = { | ||
| 195 | .bitrate = 100000, | ||
| 196 | }; | ||
| 197 | |||
| 198 | static struct at24_platform_data board_eeprom = { | ||
| 199 | .byte_len = 4096, | ||
| 200 | .page_size = 32, | ||
| 201 | .flags = AT24_FLAG_ADDR16, | ||
| 202 | }; | ||
| 203 | |||
| 204 | static struct i2c_board_info pcm038_i2c_devices[] = { | ||
| 205 | { | ||
| 206 | I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */ | ||
| 207 | .platform_data = &board_eeprom, | ||
| 208 | }, { | ||
| 209 | I2C_BOARD_INFO("pcf8563", 0x51), | ||
| 210 | }, { | ||
| 211 | I2C_BOARD_INFO("lm75", 0x4a), | ||
| 212 | } | ||
| 213 | }; | ||
| 214 | |||
| 215 | static int pcm038_spi_cs[] = {GPIO_PORTD + 28}; | ||
| 216 | |||
| 217 | static struct spi_imx_master pcm038_spi_0_data = { | ||
| 218 | .chipselect = pcm038_spi_cs, | ||
| 219 | .num_chipselect = ARRAY_SIZE(pcm038_spi_cs), | ||
| 220 | }; | ||
| 221 | |||
| 222 | static struct regulator_consumer_supply sdhc1_consumers[] = { | ||
| 223 | { | ||
| 224 | .dev = &mxc_sdhc_device1.dev, | ||
| 225 | .supply = "sdhc_vcc", | ||
| 226 | }, | ||
| 227 | }; | ||
| 228 | |||
| 229 | static struct regulator_init_data sdhc1_data = { | ||
| 230 | .constraints = { | ||
| 231 | .min_uV = 3000000, | ||
| 232 | .max_uV = 3400000, | ||
| 233 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | | ||
| 234 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, | ||
| 235 | .valid_modes_mask = REGULATOR_MODE_NORMAL | | ||
| 236 | REGULATOR_MODE_FAST, | ||
| 237 | .always_on = 0, | ||
| 238 | .boot_on = 0, | ||
| 239 | }, | ||
| 240 | .num_consumer_supplies = ARRAY_SIZE(sdhc1_consumers), | ||
| 241 | .consumer_supplies = sdhc1_consumers, | ||
| 242 | }; | ||
| 243 | |||
| 244 | static struct regulator_consumer_supply cam_consumers[] = { | ||
| 245 | { | ||
| 246 | .dev = NULL, | ||
| 247 | .supply = "imx_cam_vcc", | ||
| 248 | }, | ||
| 249 | }; | ||
| 250 | |||
| 251 | static struct regulator_init_data cam_data = { | ||
| 252 | .constraints = { | ||
| 253 | .min_uV = 3000000, | ||
| 254 | .max_uV = 3400000, | ||
| 255 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | | ||
| 256 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, | ||
| 257 | .valid_modes_mask = REGULATOR_MODE_NORMAL | | ||
| 258 | REGULATOR_MODE_FAST, | ||
| 259 | .always_on = 0, | ||
| 260 | .boot_on = 0, | ||
| 261 | }, | ||
| 262 | .num_consumer_supplies = ARRAY_SIZE(cam_consumers), | ||
| 263 | .consumer_supplies = cam_consumers, | ||
| 264 | }; | ||
| 265 | |||
| 266 | struct mc13783_regulator_init_data pcm038_regulators[] = { | ||
| 267 | { | ||
| 268 | .id = MC13783_REGU_VCAM, | ||
| 269 | .init_data = &cam_data, | ||
| 270 | }, { | ||
| 271 | .id = MC13783_REGU_VMMC1, | ||
| 272 | .init_data = &sdhc1_data, | ||
| 273 | }, | ||
| 274 | }; | ||
| 275 | |||
| 276 | static struct mc13783_platform_data pcm038_pmic = { | ||
| 277 | .regulators = pcm038_regulators, | ||
| 278 | .num_regulators = ARRAY_SIZE(pcm038_regulators), | ||
| 279 | .flags = MC13783_USE_ADC | MC13783_USE_REGULATOR | | ||
| 280 | MC13783_USE_TOUCHSCREEN, | ||
| 281 | }; | ||
| 282 | |||
| 283 | static struct spi_board_info pcm038_spi_board_info[] __initdata = { | ||
| 284 | { | ||
| 285 | .modalias = "mc13783", | ||
| 286 | .irq = IRQ_GPIOB(23), | ||
| 287 | .max_speed_hz = 300000, | ||
| 288 | .bus_num = 0, | ||
| 289 | .chip_select = 0, | ||
| 290 | .platform_data = &pcm038_pmic, | ||
| 291 | .mode = SPI_CS_HIGH, | ||
| 292 | } | ||
| 293 | }; | ||
| 294 | |||
| 295 | static struct mxc_usbh_platform_data usbh2_pdata = { | ||
| 296 | .portsc = MXC_EHCI_MODE_ULPI, | ||
| 297 | .flags = MXC_EHCI_POWER_PINS_ENABLED | MXC_EHCI_INTERFACE_DIFF_UNI, | ||
| 298 | }; | ||
| 299 | |||
| 300 | static void __init pcm038_init(void) | ||
| 301 | { | ||
| 302 | mxc_gpio_setup_multiple_pins(pcm038_pins, ARRAY_SIZE(pcm038_pins), | ||
| 303 | "PCM038"); | ||
| 304 | |||
| 305 | pcm038_init_sram(); | ||
| 306 | |||
| 307 | mxc_register_device(&mxc_uart_device0, &uart_pdata[0]); | ||
| 308 | mxc_register_device(&mxc_uart_device1, &uart_pdata[1]); | ||
| 309 | mxc_register_device(&mxc_uart_device2, &uart_pdata[2]); | ||
| 310 | |||
| 311 | mxc_gpio_mode(PE16_AF_OWIRE); | ||
| 312 | mxc_register_device(&imx27_nand_device, &pcm038_nand_board_info); | ||
| 313 | |||
| 314 | /* only the i2c master 1 is used on this CPU card */ | ||
| 315 | i2c_register_board_info(1, pcm038_i2c_devices, | ||
| 316 | ARRAY_SIZE(pcm038_i2c_devices)); | ||
| 317 | |||
| 318 | mxc_register_device(&mxc_i2c_device1, &pcm038_i2c_1_data); | ||
| 319 | |||
| 320 | /* PE18 for user-LED D40 */ | ||
| 321 | mxc_gpio_mode(GPIO_PORTE | 18 | GPIO_GPIO | GPIO_OUT); | ||
| 322 | |||
| 323 | mxc_gpio_mode(GPIO_PORTD | 28 | GPIO_GPIO | GPIO_OUT); | ||
| 324 | |||
| 325 | /* MC13783 IRQ */ | ||
| 326 | mxc_gpio_mode(GPIO_PORTB | 23 | GPIO_GPIO | GPIO_IN); | ||
| 327 | |||
| 328 | mxc_register_device(&mxc_spi_device0, &pcm038_spi_0_data); | ||
| 329 | spi_register_board_info(pcm038_spi_board_info, | ||
| 330 | ARRAY_SIZE(pcm038_spi_board_info)); | ||
| 331 | |||
| 332 | mxc_register_device(&mxc_usbh2, &usbh2_pdata); | ||
| 333 | |||
| 334 | platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); | ||
| 335 | |||
| 336 | #ifdef CONFIG_MACH_PCM970_BASEBOARD | ||
| 337 | pcm970_baseboard_init(); | ||
| 338 | #endif | ||
| 339 | } | ||
| 340 | |||
| 341 | static void __init pcm038_timer_init(void) | ||
| 342 | { | ||
| 343 | mx27_clocks_init(26000000); | ||
| 344 | } | ||
| 345 | |||
| 346 | static struct sys_timer pcm038_timer = { | ||
| 347 | .init = pcm038_timer_init, | ||
| 348 | }; | ||
| 349 | |||
| 350 | MACHINE_START(PCM038, "phyCORE-i.MX27") | ||
| 351 | .phys_io = MX27_AIPI_BASE_ADDR, | ||
| 352 | .io_pg_offst = ((MX27_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc, | ||
| 353 | .boot_params = MX27_PHYS_OFFSET + 0x100, | ||
| 354 | .map_io = mx27_map_io, | ||
| 355 | .init_irq = mx27_init_irq, | ||
| 356 | .init_machine = pcm038_init, | ||
| 357 | .timer = &pcm038_timer, | ||
| 358 | MACHINE_END | ||
