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         PB10_PF_CSI_D0,
 111         PB11_PF_CSI_D1,
 112         PB12_PF_CSI_D2,
 113         PB13_PF_CSI_D3,
 114         PB14_PF_CSI_D4,
 115         PB15_PF_CSI_MCLK,
 116         PB16_PF_CSI_PIXCLK,
 117         PB17_PF_CSI_D5,
 118         PB18_PF_CSI_D6,
 119         PB19_PF_CSI_D7,
 120         PB20_PF_CSI_VSYNC,
 121         PB21_PF_CSI_HSYNC,
 122 };
 123
 124 /* Camera */
 125 static int visstrim_camera_power(struct device *dev, int on)
 126 {
 127         gpio_set_value(TVP5150_PWDN, on);
 128
 129         return 0;
 130 };
 131
 132 static int visstrim_camera_reset(struct device *dev)
 133 {
 134         gpio_set_value(TVP5150_RSTN, 0);
 135         ndelay(500);
 136         gpio_set_value(TVP5150_RSTN, 1);
 137
 138         return 0;
 139 };
 140
 141 static struct i2c_board_info visstrim_i2c_camera =  {
 142         I2C_BOARD_INFO("tvp5150", 0x5d),
 143 };
 144
 145 static struct soc_camera_link iclink_tvp5150 = {
 146         .bus_id         = 0,
 147         .board_info     = &visstrim_i2c_camera,
 148         .i2c_adapter_id = 0,
 149         .power = visstrim_camera_power,
 150         .reset = visstrim_camera_reset,
 151 };
 152
 153 static struct mx2_camera_platform_data visstrim_camera = {
 154         .flags = MX2_CAMERA_CCIR | MX2_CAMERA_CCIR_INTERLACE |
 155                         MX2_CAMERA_SWAP16 | MX2_CAMERA_PCLK_SAMPLE_RISING,
 156         .clk = 100000,
 157 };
 158
 159 static phys_addr_t mx2_camera_base __initdata;
 160 #define MX2_CAMERA_BUF_SIZE SZ_8M
 161
 162 static void __init visstrim_camera_init(void)
 163 {
 164         struct platform_device *pdev;
 165         int dma;
 166
 167         /* Initialize tvp5150 gpios */
 168         mxc_gpio_mode(TVP5150_RSTN | GPIO_GPIO | GPIO_OUT);
 169         mxc_gpio_mode(TVP5150_PWDN | GPIO_GPIO | GPIO_OUT);
 170         gpio_set_value(TVP5150_RSTN, 1);
 171         gpio_set_value(TVP5150_PWDN, 0);
 172         ndelay(1);
 173
 174         gpio_set_value(TVP5150_PWDN, 1);
 175         ndelay(1);
 176         gpio_set_value(TVP5150_RSTN, 0);
 177         ndelay(500);
 178         gpio_set_value(TVP5150_RSTN, 1);
 179         ndelay(200000);
 180
 181         pdev = imx27_add_mx2_camera(&visstrim_camera);
 182         if (IS_ERR(pdev))
 183                 return;
 184
 185         dma = dma_declare_coherent_memory(&pdev->dev,
 186                                 mx2_camera_base, mx2_camera_base,
 187                                 MX2_CAMERA_BUF_SIZE,
 188                                 DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
 189         if (!(dma & DMA_MEMORY_MAP))
 190                 return;
 191 }
 192
 193 static void __init visstrim_reserve(void)
 194 {
 195         /* reserve 4 MiB for mx2-camera */
 196         mx2_camera_base = memblock_alloc(MX2_CAMERA_BUF_SIZE,
 197                         MX2_CAMERA_BUF_SIZE);
 198         memblock_free(mx2_camera_base, MX2_CAMERA_BUF_SIZE);
 199         memblock_remove(mx2_camera_base, MX2_CAMERA_BUF_SIZE);
 200 }
 201
 202 /* GPIOs used as events for applications */
 203 static struct gpio_keys_button visstrim_gpio_keys[] = {
 204         {
 205                 .type   = EV_KEY,
 206                 .code   = KEY_RESTART,
 207                 .gpio   = (GPIO_PORTC + 15),
 208                 .desc   = "Default config",
 209                 .active_low = 0,
 210                 .wakeup = 1,
 211         },
 212         {
 213                 .type   = EV_KEY,
 214                 .code   = KEY_RECORD,
 215                 .gpio   = (GPIO_PORTF + 14),
 216                 .desc   = "Record",
 217                 .active_low = 0,
 218                 .wakeup = 1,
 219         },
 220         {
 221                 .type   = EV_KEY,
 222                 .code   = KEY_STOP,
 223                 .gpio   = (GPIO_PORTF + 13),
 224                 .desc   = "Stop",
 225                 .active_low = 0,
 226                 .wakeup = 1,
 227         }
 228 };
 229
 230 static const struct gpio_keys_platform_data
 231                 visstrim_gpio_keys_platform_data __initconst = {
 232         .buttons        = visstrim_gpio_keys,
 233         .nbuttons       = ARRAY_SIZE(visstrim_gpio_keys),
 234 };
 235
 236 /* led */
 237 static const struct gpio_led visstrim_m10_leds[] __initconst = {
 238         {
 239                 .name = "visstrim:ld0",
 240                 .default_trigger = "nand-disk",
 241                 .gpio = (GPIO_PORTC + 29),
 242         },
 243         {
 244                 .name = "visstrim:ld1",
 245                 .default_trigger = "nand-disk",
 246                 .gpio = (GPIO_PORTC + 24),
 247         },
 248         {
 249                 .name = "visstrim:ld2",
 250                 .default_trigger = "nand-disk",
 251                 .gpio = (GPIO_PORTC + 28),
 252         },
 253         {
 254                 .name = "visstrim:ld3",
 255                 .default_trigger = "nand-disk",
 256                 .gpio = (GPIO_PORTC + 25),
 257         },
 258 };
 259
 260 static const struct gpio_led_platform_data visstrim_m10_led_data __initconst = {
 261         .leds = visstrim_m10_leds,
 262         .num_leds = ARRAY_SIZE(visstrim_m10_leds),
 263 };
 264
 265 /* Visstrim_SM10 has a microSD slot connected to sdhc1 */
 266 static int visstrim_m10_sdhc1_init(struct device *dev,
 267                 irq_handler_t detect_irq, void *data)
 268 {
 269         int ret;
 270
 271         ret = request_irq(SDHC1_IRQ, detect_irq, IRQF_TRIGGER_FALLING,
 272                                 "mmc-detect", data);
 273         return ret;
 274 }
 275
 276 static void visstrim_m10_sdhc1_exit(struct device *dev, void *data)
 277 {
 278         free_irq(SDHC1_IRQ, data);
 279 }
 280
 281 static const struct imxmmc_platform_data visstrim_m10_sdhc_pdata __initconst = {
 282         .init = visstrim_m10_sdhc1_init,
 283         .exit = visstrim_m10_sdhc1_exit,
 284 };
 285
 286 /* Visstrim_SM10 NOR flash */
 287 static struct physmap_flash_data visstrim_m10_flash_data = {
 288         .width = 2,
 289 };
 290
 291 static struct resource visstrim_m10_flash_resource = {
 292         .start = 0xc0000000,
 293         .end = 0xc0000000 + SZ_64M - 1,
 294         .flags = IORESOURCE_MEM,
 295 };
 296
 297 static struct platform_device visstrim_m10_nor_mtd_device = {
 298         .name = "physmap-flash",
 299         .id = 0,
 300         .dev = {
 301                 .platform_data = &visstrim_m10_flash_data,
 302         },
 303         .num_resources = 1,
 304         .resource = &visstrim_m10_flash_resource,
 305 };
 306
 307 static struct platform_device *platform_devices[] __initdata = {
 308         &visstrim_m10_nor_mtd_device,
 309 };
 310
 311 /* Visstrim_M10 uses UART0 as console */
 312 static const struct imxuart_platform_data uart_pdata __initconst = {
 313         .flags = IMXUART_HAVE_RTSCTS,
 314 };
 315
 316 /* I2C */
 317 static const struct imxi2c_platform_data visstrim_m10_i2c_data __initconst = {
 318         .bitrate = 100000,
 319 };
 320
 321 static struct pca953x_platform_data visstrim_m10_pca9555_pdata = {
 322         .gpio_base = 240, /* After MX27 internal GPIOs */
 323         .invert = 0,
 324 };
 325
 326 static struct aic32x4_pdata visstrim_m10_aic32x4_pdata = {
 327         .power_cfg = AIC32X4_PWR_MICBIAS_2075_LDOIN |
 328                      AIC32X4_PWR_AVDD_DVDD_WEAK_DISABLE |
 329                      AIC32X4_PWR_AIC32X4_LDO_ENABLE |
 330                      AIC32X4_PWR_CMMODE_LDOIN_RANGE_18_36 |
 331                      AIC32X4_PWR_CMMODE_HP_LDOIN_POWERED,
 332         .micpga_routing = AIC32X4_MICPGA_ROUTE_LMIC_IN2R_10K |
 333                          AIC32X4_MICPGA_ROUTE_RMIC_IN1L_10K,
 334         .swapdacs = false,
 335 };
 336
 337 static struct i2c_board_info visstrim_m10_i2c_devices[] = {
 338         {
 339                 I2C_BOARD_INFO("pca9555", 0x20),
 340                 .platform_data = &visstrim_m10_pca9555_pdata,
 341         },
 342         {
 343                 I2C_BOARD_INFO("tlv320aic32x4", 0x18),
 344                 .platform_data = &visstrim_m10_aic32x4_pdata,
 345         },
 346         {
 347                  I2C_BOARD_INFO("m41t00", 0x68),
 348         }
 349 };
 350
 351 /* USB OTG */
 352 static int otg_phy_init(struct platform_device *pdev)
 353 {
 354         gpio_set_value(OTG_PHY_CS_GPIO, 0);
 355
 356         mdelay(10);
 357
 358         return mx27_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
 359 }
 360
 361 static const struct mxc_usbh_platform_data
 362 visstrim_m10_usbotg_pdata __initconst = {
 363         .init = otg_phy_init,
 364         .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
 365 };
 366
 367 /* SSI */
 368 static const struct imx_ssi_platform_data visstrim_m10_ssi_pdata __initconst = {
 369         .flags                  = IMX_SSI_DMA | IMX_SSI_SYN,
 370 };
 371
 372 static void __init visstrim_m10_board_init(void)
 373 {
 374         int ret;
 375
 376         imx27_soc_init();
 377
 378         ret = mxc_gpio_setup_multiple_pins(visstrim_m10_pins,
 379                         ARRAY_SIZE(visstrim_m10_pins), "VISSTRIM_M10");
 380         if (ret)
 381                 pr_err("Failed to setup pins (%d)\n", ret);
 382
 383         imx27_add_imx_ssi(0, &visstrim_m10_ssi_pdata);
 384         imx27_add_imx_uart0(&uart_pdata);
 385
 386         imx27_add_imx_i2c(0, &visstrim_m10_i2c_data);
 387         imx27_add_imx_i2c(1, &visstrim_m10_i2c_data);
 388         i2c_register_board_info(0, visstrim_m10_i2c_devices,
 389                                 ARRAY_SIZE(visstrim_m10_i2c_devices));
 390
 391         imx27_add_mxc_mmc(0, &visstrim_m10_sdhc_pdata);
 392         imx27_add_mxc_ehci_otg(&visstrim_m10_usbotg_pdata);
 393         imx27_add_fec(NULL);
 394         imx_add_gpio_keys(&visstrim_gpio_keys_platform_data);
 395         platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
 396         imx_add_platform_device("mx27vis", 0, NULL, 0, NULL, 0);
 397         platform_device_register_resndata(NULL, "soc-camera-pdrv", 0, NULL, 0,
 398                                       &iclink_tvp5150, sizeof(iclink_tvp5150));
 399         gpio_led_register_device(0, &visstrim_m10_led_data);
 400         visstrim_camera_init();
 401 }
 402
 403 static void __init visstrim_m10_timer_init(void)
 404 {
 405         mx27_clocks_init((unsigned long)25000000);
 406 }
 407
 408 static struct sys_timer visstrim_m10_timer = {
 409         .init   = visstrim_m10_timer_init,
 410 };
 411
 412 MACHINE_START(IMX27_VISSTRIM_M10, "Vista Silicon Visstrim_M10")
 413         .atag_offset = 0x100,
 414         .reserve = visstrim_reserve,
 415         .map_io = mx27_map_io,
 416         .init_early = imx27_init_early,
 417         .init_irq = mx27_init_irq,
 418         .handle_irq = imx27_handle_irq,
 419         .timer = &visstrim_m10_timer,
 420         .init_machine = visstrim_m10_board_init,
 421         .restart        = mxc_restart,
 422 MACHINE_END