arch/arm/mach-imx/eukrea_mbimxsd35-baseboard.c

   1 /*
   2  * Copyright (C) 2010 Eric Benard - eric@eukrea.com
   3  *
   4  * Based on pcm970-baseboard.c which is :
   5  * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de)
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License
   9  * as published by the Free Software Foundation; either version 2
  10  * of the License, or (at your option) any later version.
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  19  * MA 02110-1301, USA.
  20  */
  21
  22 #include <linux/types.h>
  23 #include <linux/init.h>
  24
  25 #include <linux/gpio.h>
  26 #include <linux/interrupt.h>
  27 #include <linux/leds.h>
  28 #include <linux/platform_device.h>
  29 #include <linux/input.h>
  30 #include <linux/spi/spi.h>
  31 #include <video/platform_lcd.h>
  32 #include <linux/i2c.h>
  33
  34 #include <asm/mach-types.h>
  35 #include <asm/mach/arch.h>
  36 #include <asm/mach/time.h>
  37 #include <asm/mach/map.h>
  38
  39 #include "common.h"
  40 #include "devices-imx35.h"
  41 #include "hardware.h"
  42 #include "iomux-mx35.h"
  43
  44 static const struct fb_videomode fb_modedb[] = {
  45         {
  46                 .name           = "CMO-QVGA",
  47                 .refresh        = 60,
  48                 .xres           = 320,
  49                 .yres           = 240,
  50                 .pixclock       = KHZ2PICOS(6500),
  51                 .left_margin    = 68,
  52                 .right_margin   = 20,
  53                 .upper_margin   = 15,
  54                 .lower_margin   = 4,
  55                 .hsync_len      = 30,
  56                 .vsync_len      = 3,
  57                 .sync           = 0,
  58                 .vmode          = FB_VMODE_NONINTERLACED,
  59                 .flag           = 0,
  60         },
  61         {
  62                 .name           = "DVI-VGA",
  63                 .refresh        = 60,
  64                 .xres           = 640,
  65                 .yres           = 480,
  66                 .pixclock       = 32000,
  67                 .left_margin    = 100,
  68                 .right_margin   = 100,
  69                 .upper_margin   = 7,
  70                 .lower_margin   = 100,
  71                 .hsync_len      = 7,
  72                 .vsync_len      = 7,
  73                 .sync           = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT |
  74                                   FB_SYNC_OE_ACT_HIGH | FB_SYNC_CLK_INVERT,
  75                 .vmode          = FB_VMODE_NONINTERLACED,
  76                 .flag           = 0,
  77         },
  78         {
  79                 .name           = "DVI-SVGA",
  80                 .refresh        = 60,
  81                 .xres           = 800,
  82                 .yres           = 600,
  83                 .pixclock       = 25000,
  84                 .left_margin    = 75,
  85                 .right_margin   = 75,
  86                 .upper_margin   = 7,
  87                 .lower_margin   = 75,
  88                 .hsync_len      = 7,
  89                 .vsync_len      = 7,
  90                 .sync           = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT |
  91                                   FB_SYNC_OE_ACT_HIGH | FB_SYNC_CLK_INVERT,
  92                 .vmode          = FB_VMODE_NONINTERLACED,
  93                 .flag           = 0,
  94         },
  95 };
  96
  97 static struct mx3fb_platform_data mx3fb_pdata __initdata = {
  98         .name           = "CMO-QVGA",
  99         .mode           = fb_modedb,
 100         .num_modes      = ARRAY_SIZE(fb_modedb),
 101 };
 102
 103 static iomux_v3_cfg_t eukrea_mbimxsd_pads[] = {
 104         /* LCD */
 105         MX35_PAD_LD0__IPU_DISPB_DAT_0,
 106         MX35_PAD_LD1__IPU_DISPB_DAT_1,
 107         MX35_PAD_LD2__IPU_DISPB_DAT_2,
 108         MX35_PAD_LD3__IPU_DISPB_DAT_3,
 109         MX35_PAD_LD4__IPU_DISPB_DAT_4,
 110         MX35_PAD_LD5__IPU_DISPB_DAT_5,
 111         MX35_PAD_LD6__IPU_DISPB_DAT_6,
 112         MX35_PAD_LD7__IPU_DISPB_DAT_7,
 113         MX35_PAD_LD8__IPU_DISPB_DAT_8,
 114         MX35_PAD_LD9__IPU_DISPB_DAT_9,
 115         MX35_PAD_LD10__IPU_DISPB_DAT_10,
 116         MX35_PAD_LD11__IPU_DISPB_DAT_11,
 117         MX35_PAD_LD12__IPU_DISPB_DAT_12,
 118         MX35_PAD_LD13__IPU_DISPB_DAT_13,
 119         MX35_PAD_LD14__IPU_DISPB_DAT_14,
 120         MX35_PAD_LD15__IPU_DISPB_DAT_15,
 121         MX35_PAD_LD16__IPU_DISPB_DAT_16,
 122         MX35_PAD_LD17__IPU_DISPB_DAT_17,
 123         MX35_PAD_D3_HSYNC__IPU_DISPB_D3_HSYNC,
 124         MX35_PAD_D3_FPSHIFT__IPU_DISPB_D3_CLK,
 125         MX35_PAD_D3_DRDY__IPU_DISPB_D3_DRDY,
 126         MX35_PAD_D3_VSYNC__IPU_DISPB_D3_VSYNC,
 127         /* Backlight */
 128         MX35_PAD_CONTRAST__IPU_DISPB_CONTR,
 129         /* LCD_PWR */
 130         MX35_PAD_D3_CLS__GPIO1_4,
 131         /* LED */
 132         MX35_PAD_LD23__GPIO3_29,
 133         /* SWITCH */
 134         MX35_PAD_LD19__GPIO3_25,
 135         /* UART2 */
 136         MX35_PAD_CTS2__UART2_CTS,
 137         MX35_PAD_RTS2__UART2_RTS,
 138         MX35_PAD_TXD2__UART2_TXD_MUX,
 139         MX35_PAD_RXD2__UART2_RXD_MUX,
 140         /* I2S */
 141         MX35_PAD_STXFS4__AUDMUX_AUD4_TXFS,
 142         MX35_PAD_STXD4__AUDMUX_AUD4_TXD,
 143         MX35_PAD_SRXD4__AUDMUX_AUD4_RXD,
 144         MX35_PAD_SCK4__AUDMUX_AUD4_TXC,
 145         /* CAN2 */
 146         MX35_PAD_TX5_RX0__CAN2_TXCAN,
 147         MX35_PAD_TX4_RX1__CAN2_RXCAN,
 148         /* SDCARD */
 149         MX35_PAD_SD1_CMD__ESDHC1_CMD,
 150         MX35_PAD_SD1_CLK__ESDHC1_CLK,
 151         MX35_PAD_SD1_DATA0__ESDHC1_DAT0,
 152         MX35_PAD_SD1_DATA1__ESDHC1_DAT1,
 153         MX35_PAD_SD1_DATA2__ESDHC1_DAT2,
 154         MX35_PAD_SD1_DATA3__ESDHC1_DAT3,
 155         /* SD1 CD */
 156         MX35_PAD_LD18__GPIO3_24,
 157         /* SPI */
 158         MX35_PAD_CSPI1_MOSI__CSPI1_MOSI,
 159         MX35_PAD_CSPI1_MISO__CSPI1_MISO,
 160         MX35_PAD_CSPI1_SS0__GPIO1_18,
 161         MX35_PAD_CSPI1_SS1__GPIO1_19,
 162         MX35_PAD_CSPI1_SCLK__CSPI1_SCLK,
 163         MX35_PAD_CSPI1_SPI_RDY__GPIO3_5,
 164 };
 165
 166 #define GPIO_LED1       IMX_GPIO_NR(3, 29)
 167 #define GPIO_SWITCH1    IMX_GPIO_NR(3, 25)
 168 #define GPIO_LCDPWR     IMX_GPIO_NR(1, 4)
 169 #define GPIO_SD1CD      IMX_GPIO_NR(3, 24)
 170 #define GPIO_SPI1_SS0   IMX_GPIO_NR(1, 18)
 171 #define GPIO_SPI1_SS1   IMX_GPIO_NR(1, 19)
 172 #define GPIO_SPI1_IRQ   IMX_GPIO_NR(3, 5)
 173
 174 static void eukrea_mbimxsd_lcd_power_set(struct plat_lcd_data *pd,
 175                                    unsigned int power)
 176 {
 177         if (power)
 178                 gpio_direction_output(GPIO_LCDPWR, 1);
 179         else
 180                 gpio_direction_output(GPIO_LCDPWR, 0);
 181 }
 182
 183 static struct plat_lcd_data eukrea_mbimxsd_lcd_power_data = {
 184         .set_power              = eukrea_mbimxsd_lcd_power_set,
 185 };
 186
 187 static struct platform_device eukrea_mbimxsd_lcd_powerdev = {
 188         .name                   = "platform-lcd",
 189         .dev.platform_data      = &eukrea_mbimxsd_lcd_power_data,
 190 };
 191
 192 static struct gpio_led eukrea_mbimxsd_leds[] = {
 193         {
 194                 .name                   = "led1",
 195                 .default_trigger        = "heartbeat",
 196                 .active_low             = 1,
 197                 .gpio                   = GPIO_LED1,
 198         },
 199 };
 200
 201 static const struct gpio_led_platform_data
 202                 eukrea_mbimxsd_led_info __initconst = {
 203         .leds           = eukrea_mbimxsd_leds,
 204         .num_leds       = ARRAY_SIZE(eukrea_mbimxsd_leds),
 205 };
 206
 207 static struct gpio_keys_button eukrea_mbimxsd_gpio_buttons[] = {
 208         {
 209                 .gpio           = GPIO_SWITCH1,
 210                 .code           = BTN_0,
 211                 .desc           = "BP1",
 212                 .active_low     = 1,
 213                 .wakeup         = 1,
 214         },
 215 };
 216
 217 static const struct gpio_keys_platform_data
 218                 eukrea_mbimxsd_button_data __initconst = {
 219         .buttons        = eukrea_mbimxsd_gpio_buttons,
 220         .nbuttons       = ARRAY_SIZE(eukrea_mbimxsd_gpio_buttons),
 221 };
 222
 223 static struct platform_device *platform_devices[] __initdata = {
 224         &eukrea_mbimxsd_lcd_powerdev,
 225 };
 226
 227 static const struct imxuart_platform_data uart_pdata __initconst = {
 228         .flags = IMXUART_HAVE_RTSCTS,
 229 };
 230
 231 static struct i2c_board_info eukrea_mbimxsd_i2c_devices[] = {
 232         {
 233                 I2C_BOARD_INFO("tlv320aic23", 0x1a),
 234         },
 235 };
 236
 237 static const
 238 struct imx_ssi_platform_data eukrea_mbimxsd_ssi_pdata __initconst = {
 239         .flags = IMX_SSI_SYN | IMX_SSI_NET | IMX_SSI_USE_I2S_SLAVE,
 240 };
 241
 242 static struct esdhc_platform_data sd1_pdata = {
 243         .cd_gpio = GPIO_SD1CD,
 244         .cd_type = ESDHC_CD_GPIO,
 245         .wp_type = ESDHC_WP_NONE,
 246 };
 247
 248 static struct spi_board_info eukrea_mbimxsd35_spi_board_info[] __initdata = {
 249         {
 250                 .modalias = "spidev",
 251                 .max_speed_hz = 20000000,
 252                 .bus_num = 0,
 253                 .chip_select = 0,
 254                 .mode = SPI_MODE_0,
 255         },
 256         {
 257                 .modalias = "spidev",
 258                 .max_speed_hz = 20000000,
 259                 .bus_num = 0,
 260                 .chip_select = 1,
 261                 .mode = SPI_MODE_0,
 262         },
 263 };
 264
 265 static int eukrea_mbimxsd35_spi_cs[] = {GPIO_SPI1_SS0, GPIO_SPI1_SS1};
 266
 267 static const struct spi_imx_master eukrea_mbimxsd35_spi0_data __initconst = {
 268         .chipselect     = eukrea_mbimxsd35_spi_cs,
 269         .num_chipselect = ARRAY_SIZE(eukrea_mbimxsd35_spi_cs),
 270 };
 271
 272 /*
 273  * system init for baseboard usage. Will be called by cpuimx35 init.
 274  *
 275  * Add platform devices present on this baseboard and init
 276  * them from CPU side as far as required to use them later on
 277  */
 278 void __init eukrea_mbimxsd35_baseboard_init(void)
 279 {
 280         if (mxc_iomux_v3_setup_multiple_pads(eukrea_mbimxsd_pads,
 281                         ARRAY_SIZE(eukrea_mbimxsd_pads)))
 282                 printk(KERN_ERR "error setting mbimxsd pads !\n");
 283
 284         imx35_add_imx_uart1(&uart_pdata);
 285         imx35_add_ipu_core();
 286         imx35_add_mx3_sdc_fb(&mx3fb_pdata);
 287
 288         imx35_add_imx_ssi(0, &eukrea_mbimxsd_ssi_pdata);
 289
 290         imx35_add_flexcan1();
 291         imx35_add_sdhci_esdhc_imx(0, &sd1_pdata);
 292
 293         gpio_request(GPIO_LED1, "LED1");
 294         gpio_direction_output(GPIO_LED1, 1);
 295         gpio_free(GPIO_LED1);
 296
 297         gpio_request(GPIO_SWITCH1, "SWITCH1");
 298         gpio_direction_input(GPIO_SWITCH1);
 299         gpio_free(GPIO_SWITCH1);
 300
 301         gpio_request(GPIO_LCDPWR, "LCDPWR");
 302         gpio_direction_output(GPIO_LCDPWR, 1);
 303
 304         i2c_register_board_info(0, eukrea_mbimxsd_i2c_devices,
 305                                 ARRAY_SIZE(eukrea_mbimxsd_i2c_devices));
 306
 307         gpio_request(GPIO_SPI1_IRQ, "SPI1_IRQ");
 308         gpio_direction_input(GPIO_SPI1_IRQ);
 309         gpio_free(GPIO_SPI1_IRQ);
 310         imx35_add_spi_imx0(&eukrea_mbimxsd35_spi0_data);
 311         spi_register_board_info(eukrea_mbimxsd35_spi_board_info,
 312                 ARRAY_SIZE(eukrea_mbimxsd35_spi_board_info));
 313
 314         platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
 315         gpio_led_register_device(-1, &eukrea_mbimxsd_led_info);
 316         imx_add_gpio_keys(&eukrea_mbimxsd_button_data);
 317         imx_add_platform_device("eukrea_tlv320", 0, NULL, 0, NULL, 0);
 318 }