arch/arm/mach-imx/mach-imx27_visstrim_m10.c

   1 /*
   2  * mach-imx27_visstrim_m10.c
   3  *
   4  * Copyright 2010  Javier Martin <javier.martin@vista-silicon.com>
   5  *
   6  * Based on mach-pcm038.c, mach-pca100.c, mach-mx27ads.c and others.
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  21  * MA 02110-1301, USA.
  22  */
  23
  24 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  25
  26 #include <linux/platform_device.h>
  27 #include <linux/mtd/physmap.h>
  28 #include <linux/i2c.h>
  29 #include <linux/i2c/pca953x.h>
  30 #include <linux/input.h>
  31 #include <linux/gpio.h>
  32 #include <linux/delay.h>
  33 #include <linux/dma-mapping.h>
  34 #include <linux/leds.h>
  35 #include <linux/memblock.h>
  36 #include <media/soc_camera.h>
  37 #include <sound/tlv320aic32x4.h>
  38 #include <asm/mach-types.h>
  39 #include <asm/mach/arch.h>
  40 #include <asm/mach/time.h>
  41 #include <mach/common.h>
  42 #include <mach/iomux-mx27.h>
  43
  44 #include "devices-imx27.h"
  45
  46 #define TVP5150_RSTN (GPIO_PORTC + 18)
  47 #define TVP5150_PWDN (GPIO_PORTC + 19)
  48 #define OTG_PHY_CS_GPIO (GPIO_PORTF + 17)
  49 #define SDHC1_IRQ IRQ_GPIOB(25)
  50
  51 static const int visstrim_m10_pins[] __initconst = {
  52         /* UART1 (console) */
  53         PE12_PF_UART1_TXD,
  54         PE13_PF_UART1_RXD,
  55         PE14_PF_UART1_CTS,
  56         PE15_PF_UART1_RTS,
  57         /* FEC */
  58         PD0_AIN_FEC_TXD0,
  59         PD1_AIN_FEC_TXD1,
  60         PD2_AIN_FEC_TXD2,
  61         PD3_AIN_FEC_TXD3,
  62         PD4_AOUT_FEC_RX_ER,
  63         PD5_AOUT_FEC_RXD1,
  64         PD6_AOUT_FEC_RXD2,
  65         PD7_AOUT_FEC_RXD3,
  66         PD8_AF_FEC_MDIO,
  67         PD9_AIN_FEC_MDC,
  68         PD10_AOUT_FEC_CRS,
  69         PD11_AOUT_FEC_TX_CLK,
  70         PD12_AOUT_FEC_RXD0,
  71         PD13_AOUT_FEC_RX_DV,
  72         PD14_AOUT_FEC_RX_CLK,
  73         PD15_AOUT_FEC_COL,
  74         PD16_AIN_FEC_TX_ER,
  75         PF23_AIN_FEC_TX_EN,
  76         /* SSI1 */
  77         PC20_PF_SSI1_FS,
  78         PC21_PF_SSI1_RXD,
  79         PC22_PF_SSI1_TXD,
  80         PC23_PF_SSI1_CLK,
  81         /* SDHC1 */
  82         PE18_PF_SD1_D0,
  83         PE19_PF_SD1_D1,
  84         PE20_PF_SD1_D2,
  85         PE21_PF_SD1_D3,
  86         PE22_PF_SD1_CMD,
  87         PE23_PF_SD1_CLK,
  88         /* Both I2Cs */
  89         PD17_PF_I2C_DATA,
  90         PD18_PF_I2C_CLK,
  91         PC5_PF_I2C2_SDA,
  92         PC6_PF_I2C2_SCL,
  93         /* USB OTG */
  94         OTG_PHY_CS_GPIO | GPIO_GPIO | GPIO_OUT,
  95         PC9_PF_USBOTG_DATA0,
  96         PC11_PF_USBOTG_DATA1,
  97         PC10_PF_USBOTG_DATA2,
  98         PC13_PF_USBOTG_DATA3,
  99         PC12_PF_USBOTG_DATA4,
 100         PC7_PF_USBOTG_DATA5,
 101         PC8_PF_USBOTG_DATA6,
 102         PE25_PF_USBOTG_DATA7,
 103         PE24_PF_USBOTG_CLK,
 104         PE2_PF_USBOTG_DIR,
 105         PE0_PF_USBOTG_NXT,
 106         PE1_PF_USBOTG_STP,
 107         PB23_PF_USB_PWR,
 108         PB24_PF_USB_OC,
 109         /* CSI */
 110         TVP5150_RSTN | GPIO_GPIO | GPIO_OUT,
 111         TVP5150_PWDN | GPIO_GPIO | GPIO_OUT,
 112         PB10_PF_CSI_D0,
 113         PB11_PF_CSI_D1,
 114         PB12_PF_CSI_D2,
 115         PB13_PF_CSI_D3,
 116         PB14_PF_CSI_D4,
 117         PB15_PF_CSI_MCLK,
 118         PB16_PF_CSI_PIXCLK,
 119         PB17_PF_CSI_D5,
 120         PB18_PF_CSI_D6,
 121         PB19_PF_CSI_D7,
 122         PB20_PF_CSI_VSYNC,
 123         PB21_PF_CSI_HSYNC,
 124 };
 125
 126 static const struct gpio visstrim_m10_gpios[] __initconst = {
 127         {
 128                 .gpio = TVP5150_RSTN,
 129                 .flags = GPIOF_DIR_OUT | GPIOF_INIT_HIGH,
 130                 .label = "tvp5150_rstn",
 131         },
 132         {
 133                 .gpio = TVP5150_PWDN,
 134                 .flags = GPIOF_DIR_OUT | GPIOF_INIT_LOW,
 135                 .label = "tvp5150_pwdn",
 136         },
 137         {
 138                 .gpio = OTG_PHY_CS_GPIO,
 139                 .flags = GPIOF_DIR_OUT | GPIOF_INIT_LOW,
 140                 .label = "usbotg_cs",
 141         },
 142 };
 143
 144 /* Camera */
 145 static int visstrim_camera_power(struct device *dev, int on)
 146 {
 147         gpio_set_value(TVP5150_PWDN, on);
 148
 149         return 0;
 150 };
 151
 152 static int visstrim_camera_reset(struct device *dev)
 153 {
 154         gpio_set_value(TVP5150_RSTN, 0);
 155         ndelay(500);
 156         gpio_set_value(TVP5150_RSTN, 1);
 157
 158         return 0;
 159 };
 160
 161 static struct i2c_board_info visstrim_i2c_camera =  {
 162         I2C_BOARD_INFO("tvp5150", 0x5d),
 163 };
 164
 165 static struct soc_camera_link iclink_tvp5150 = {
 166         .bus_id         = 0,
 167         .board_info     = &visstrim_i2c_camera,
 168         .i2c_adapter_id = 0,
 169         .power = visstrim_camera_power,
 170         .reset = visstrim_camera_reset,
 171 };
 172
 173 static struct mx2_camera_platform_data visstrim_camera = {
 174         .flags = MX2_CAMERA_CCIR | MX2_CAMERA_CCIR_INTERLACE |
 175                         MX2_CAMERA_SWAP16 | MX2_CAMERA_PCLK_SAMPLE_RISING,
 176         .clk = 100000,
 177 };
 178
 179 static phys_addr_t mx2_camera_base __initdata;
 180 #define MX2_CAMERA_BUF_SIZE SZ_8M
 181
 182 static void __init visstrim_camera_init(void)
 183 {
 184         struct platform_device *pdev;
 185         int dma;
 186
 187         gpio_set_value(TVP5150_PWDN, 1);
 188         ndelay(1);
 189         gpio_set_value(TVP5150_RSTN, 0);
 190         ndelay(500);
 191         gpio_set_value(TVP5150_RSTN, 1);
 192         ndelay(200000);
 193
 194         pdev = imx27_add_mx2_camera(&visstrim_camera);
 195         if (IS_ERR(pdev))
 196                 return;
 197
 198         dma = dma_declare_coherent_memory(&pdev->dev,
 199                                 mx2_camera_base, mx2_camera_base,
 200                                 MX2_CAMERA_BUF_SIZE,
 201                                 DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
 202         if (!(dma & DMA_MEMORY_MAP))
 203                 return;
 204 }
 205
 206 static void __init visstrim_reserve(void)
 207 {
 208         /* reserve 4 MiB for mx2-camera */
 209         mx2_camera_base = memblock_alloc(MX2_CAMERA_BUF_SIZE,
 210                         MX2_CAMERA_BUF_SIZE);
 211         memblock_free(mx2_camera_base, MX2_CAMERA_BUF_SIZE);
 212         memblock_remove(mx2_camera_base, MX2_CAMERA_BUF_SIZE);
 213 }
 214
 215 /* GPIOs used as events for applications */
 216 static struct gpio_keys_button visstrim_gpio_keys[] = {
 217         {
 218                 .type   = EV_KEY,
 219                 .code   = KEY_RESTART,
 220                 .gpio   = (GPIO_PORTC + 15),
 221                 .desc   = "Default config",
 222                 .active_low = 0,
 223                 .wakeup = 1,
 224         },
 225         {
 226                 .type   = EV_KEY,
 227                 .code   = KEY_RECORD,
 228                 .gpio   = (GPIO_PORTF + 14),
 229                 .desc   = "Record",
 230                 .active_low = 0,
 231                 .wakeup = 1,
 232         },
 233         {
 234                 .type   = EV_KEY,
 235                 .code   = KEY_STOP,
 236                 .gpio   = (GPIO_PORTF + 13),
 237                 .desc   = "Stop",
 238                 .active_low = 0,
 239                 .wakeup = 1,
 240         }
 241 };
 242
 243 static const struct gpio_keys_platform_data
 244                 visstrim_gpio_keys_platform_data __initconst = {
 245         .buttons        = visstrim_gpio_keys,
 246         .nbuttons       = ARRAY_SIZE(visstrim_gpio_keys),
 247 };
 248
 249 /* led */
 250 static const struct gpio_led visstrim_m10_leds[] __initconst = {
 251         {
 252                 .name = "visstrim:ld0",
 253                 .default_trigger = "nand-disk",
 254                 .gpio = (GPIO_PORTC + 29),
 255         },
 256         {
 257                 .name = "visstrim:ld1",
 258                 .default_trigger = "nand-disk",
 259                 .gpio = (GPIO_PORTC + 24),
 260         },
 261         {
 262                 .name = "visstrim:ld2",
 263                 .default_trigger = "nand-disk",
 264                 .gpio = (GPIO_PORTC + 28),
 265         },
 266         {
 267                 .name = "visstrim:ld3",
 268                 .default_trigger = "nand-disk",
 269                 .gpio = (GPIO_PORTC + 25),
 270         },
 271 };
 272
 273 static const struct gpio_led_platform_data visstrim_m10_led_data __initconst = {
 274         .leds = visstrim_m10_leds,
 275         .num_leds = ARRAY_SIZE(visstrim_m10_leds),
 276 };
 277
 278 /* Visstrim_SM10 has a microSD slot connected to sdhc1 */
 279 static int visstrim_m10_sdhc1_init(struct device *dev,
 280                 irq_handler_t detect_irq, void *data)
 281 {
 282         int ret;
 283
 284         ret = request_irq(SDHC1_IRQ, detect_irq, IRQF_TRIGGER_FALLING,
 285                                 "mmc-detect", data);
 286         return ret;
 287 }
 288
 289 static void visstrim_m10_sdhc1_exit(struct device *dev, void *data)
 290 {
 291         free_irq(SDHC1_IRQ, data);
 292 }
 293
 294 static const struct imxmmc_platform_data visstrim_m10_sdhc_pdata __initconst = {
 295         .init = visstrim_m10_sdhc1_init,
 296         .exit = visstrim_m10_sdhc1_exit,
 297 };
 298
 299 /* Visstrim_SM10 NOR flash */
 300 static struct physmap_flash_data visstrim_m10_flash_data = {
 301         .width = 2,
 302 };
 303
 304 static struct resource visstrim_m10_flash_resource = {
 305         .start = 0xc0000000,
 306         .end = 0xc0000000 + SZ_64M - 1,
 307         .flags = IORESOURCE_MEM,
 308 };
 309
 310 static struct platform_device visstrim_m10_nor_mtd_device = {
 311         .name = "physmap-flash",
 312         .id = 0,
 313         .dev = {
 314                 .platform_data = &visstrim_m10_flash_data,
 315         },
 316         .num_resources = 1,
 317         .resource = &visstrim_m10_flash_resource,
 318 };
 319
 320 static struct platform_device *platform_devices[] __initdata = {
 321         &visstrim_m10_nor_mtd_device,
 322 };
 323
 324 /* Visstrim_M10 uses UART0 as console */
 325 static const struct imxuart_platform_data uart_pdata __initconst = {
 326         .flags = IMXUART_HAVE_RTSCTS,
 327 };
 328
 329 /* I2C */
 330 static const struct imxi2c_platform_data visstrim_m10_i2c_data __initconst = {
 331         .bitrate = 100000,
 332 };
 333
 334 static struct pca953x_platform_data visstrim_m10_pca9555_pdata = {
 335         .gpio_base = 240, /* After MX27 internal GPIOs */
 336         .invert = 0,
 337 };
 338
 339 static struct aic32x4_pdata visstrim_m10_aic32x4_pdata = {
 340         .power_cfg = AIC32X4_PWR_MICBIAS_2075_LDOIN |
 341                      AIC32X4_PWR_AVDD_DVDD_WEAK_DISABLE |
 342                      AIC32X4_PWR_AIC32X4_LDO_ENABLE |
 343                      AIC32X4_PWR_CMMODE_LDOIN_RANGE_18_36 |
 344                      AIC32X4_PWR_CMMODE_HP_LDOIN_POWERED,
 345         .micpga_routing = AIC32X4_MICPGA_ROUTE_LMIC_IN2R_10K |
 346                          AIC32X4_MICPGA_ROUTE_RMIC_IN1L_10K,
 347         .swapdacs = false,
 348 };
 349
 350 static struct i2c_board_info visstrim_m10_i2c_devices[] = {
 351         {
 352                 I2C_BOARD_INFO("pca9555", 0x20),
 353                 .platform_data = &visstrim_m10_pca9555_pdata,
 354         },
 355         {
 356                 I2C_BOARD_INFO("tlv320aic32x4", 0x18),
 357                 .platform_data = &visstrim_m10_aic32x4_pdata,
 358         },
 359         {
 360                  I2C_BOARD_INFO("m41t00", 0x68),
 361         }
 362 };
 363
 364 /* USB OTG */
 365 static int otg_phy_init(struct platform_device *pdev)
 366 {
 367         return mx27_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
 368 }
 369
 370 static const struct mxc_usbh_platform_data
 371 visstrim_m10_usbotg_pdata __initconst = {
 372         .init = otg_phy_init,
 373         .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
 374 };
 375
 376 /* SSI */
 377 static const struct imx_ssi_platform_data visstrim_m10_ssi_pdata __initconst = {
 378         .flags                  = IMX_SSI_DMA | IMX_SSI_SYN,
 379 };
 380
 381 static void __init visstrim_m10_board_init(void)
 382 {
 383         int ret;
 384
 385         imx27_soc_init();
 386
 387         ret = mxc_gpio_setup_multiple_pins(visstrim_m10_pins,
 388                         ARRAY_SIZE(visstrim_m10_pins), "VISSTRIM_M10");
 389         if (ret)
 390                 pr_err("Failed to setup pins (%d)\n", ret);
 391
 392         ret = gpio_request_array(visstrim_m10_gpios,
 393                                 ARRAY_SIZE(visstrim_m10_gpios));
 394         if (ret)
 395                 pr_err("Failed to request gpios (%d)\n", ret);
 396
 397         imx27_add_imx_ssi(0, &visstrim_m10_ssi_pdata);
 398         imx27_add_imx_uart0(&uart_pdata);
 399
 400         imx27_add_imx_i2c(0, &visstrim_m10_i2c_data);
 401         imx27_add_imx_i2c(1, &visstrim_m10_i2c_data);
 402         i2c_register_board_info(0, visstrim_m10_i2c_devices,
 403                                 ARRAY_SIZE(visstrim_m10_i2c_devices));
 404
 405         imx27_add_mxc_mmc(0, &visstrim_m10_sdhc_pdata);
 406         imx27_add_mxc_ehci_otg(&visstrim_m10_usbotg_pdata);
 407         imx27_add_fec(NULL);
 408         imx_add_gpio_keys(&visstrim_gpio_keys_platform_data);
 409         platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
 410         imx_add_platform_device("mx27vis", 0, NULL, 0, NULL, 0);
 411         platform_device_register_resndata(NULL, "soc-camera-pdrv", 0, NULL, 0,
 412                                       &iclink_tvp5150, sizeof(iclink_tvp5150));
 413         gpio_led_register_device(0, &visstrim_m10_led_data);
 414         visstrim_camera_init();
 415 }
 416
 417 static void __init visstrim_m10_timer_init(void)
 418 {
 419         mx27_clocks_init((unsigned long)25000000);
 420 }
 421
 422 static struct sys_timer visstrim_m10_timer = {
 423         .init   = visstrim_m10_timer_init,
 424 };
 425
 426 MACHINE_START(IMX27_VISSTRIM_M10, "Vista Silicon Visstrim_M10")
 427         .atag_offset = 0x100,
 428         .reserve = visstrim_reserve,
 429         .map_io = mx27_map_io,
 430         .init_early = imx27_init_early,
 431         .init_irq = mx27_init_irq,
 432         .handle_irq = imx27_handle_irq,
 433         .timer = &visstrim_m10_timer,
 434         .init_machine = visstrim_m10_board_init,
 435         .restart        = mxc_restart,
 436 MACHINE_END