arch/arm/mach-mx3/eukrea_mbimxsd-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/gpio_keys.h>
  30 #include <linux/input.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 <mach/hardware.h>
  40 #include <mach/common.h>
  41 #include <mach/imx-uart.h>
  42 #include <mach/iomux-mx35.h>
  43 #include <mach/ipu.h>
  44 #include <mach/mx3fb.h>
  45 #include <mach/audmux.h>
  46 #include <mach/esdhc.h>
  47
  48 #include "devices-imx35.h"
  49 #include "devices.h"
  50
  51 static const struct fb_videomode fb_modedb[] = {
  52         {
  53                 .name           = "CMO-QVGA",
  54                 .refresh        = 60,
  55                 .xres           = 320,
  56                 .yres           = 240,
  57                 .pixclock       = KHZ2PICOS(6500),
  58                 .left_margin    = 68,
  59                 .right_margin   = 20,
  60                 .upper_margin   = 15,
  61                 .lower_margin   = 4,
  62                 .hsync_len      = 30,
  63                 .vsync_len      = 3,
  64                 .sync           = 0,
  65                 .vmode          = FB_VMODE_NONINTERLACED,
  66                 .flag           = 0,
  67         },
  68         {
  69                 .name           = "DVI-VGA",
  70                 .refresh        = 60,
  71                 .xres           = 640,
  72                 .yres           = 480,
  73                 .pixclock       = 32000,
  74                 .left_margin    = 100,
  75                 .right_margin   = 100,
  76                 .upper_margin   = 7,
  77                 .lower_margin   = 100,
  78                 .hsync_len      = 7,
  79                 .vsync_len      = 7,
  80                 .sync           = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT |
  81                                   FB_SYNC_OE_ACT_HIGH | FB_SYNC_CLK_INVERT,
  82                 .vmode          = FB_VMODE_NONINTERLACED,
  83                 .flag           = 0,
  84         },
  85         {
  86                 .name           = "DVI-SVGA",
  87                 .refresh        = 60,
  88                 .xres           = 800,
  89                 .yres           = 600,
  90                 .pixclock       = 25000,
  91                 .left_margin    = 75,
  92                 .right_margin   = 75,
  93                 .upper_margin   = 7,
  94                 .lower_margin   = 75,
  95                 .hsync_len      = 7,
  96                 .vsync_len      = 7,
  97                 .sync           = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT |
  98                                   FB_SYNC_OE_ACT_HIGH | FB_SYNC_CLK_INVERT,
  99                 .vmode          = FB_VMODE_NONINTERLACED,
 100                 .flag           = 0,
 101         },
 102 };
 103
 104 static struct ipu_platform_data mx3_ipu_data = {
 105         .irq_base = MXC_IPU_IRQ_START,
 106 };
 107
 108 static struct mx3fb_platform_data mx3fb_pdata = {
 109         .dma_dev        = &mx3_ipu.dev,
 110         .name           = "CMO-QVGA",
 111         .mode           = fb_modedb,
 112         .num_modes      = ARRAY_SIZE(fb_modedb),
 113 };
 114
 115 static iomux_v3_cfg_t eukrea_mbimxsd_pads[] = {
 116         /* LCD */
 117         MX35_PAD_LD0__IPU_DISPB_DAT_0,
 118         MX35_PAD_LD1__IPU_DISPB_DAT_1,
 119         MX35_PAD_LD2__IPU_DISPB_DAT_2,
 120         MX35_PAD_LD3__IPU_DISPB_DAT_3,
 121         MX35_PAD_LD4__IPU_DISPB_DAT_4,
 122         MX35_PAD_LD5__IPU_DISPB_DAT_5,
 123         MX35_PAD_LD6__IPU_DISPB_DAT_6,
 124         MX35_PAD_LD7__IPU_DISPB_DAT_7,
 125         MX35_PAD_LD8__IPU_DISPB_DAT_8,
 126         MX35_PAD_LD9__IPU_DISPB_DAT_9,
 127         MX35_PAD_LD10__IPU_DISPB_DAT_10,
 128         MX35_PAD_LD11__IPU_DISPB_DAT_11,
 129         MX35_PAD_LD12__IPU_DISPB_DAT_12,
 130         MX35_PAD_LD13__IPU_DISPB_DAT_13,
 131         MX35_PAD_LD14__IPU_DISPB_DAT_14,
 132         MX35_PAD_LD15__IPU_DISPB_DAT_15,
 133         MX35_PAD_LD16__IPU_DISPB_DAT_16,
 134         MX35_PAD_LD17__IPU_DISPB_DAT_17,
 135         MX35_PAD_D3_HSYNC__IPU_DISPB_D3_HSYNC,
 136         MX35_PAD_D3_FPSHIFT__IPU_DISPB_D3_CLK,
 137         MX35_PAD_D3_DRDY__IPU_DISPB_D3_DRDY,
 138         MX35_PAD_D3_VSYNC__IPU_DISPB_D3_VSYNC,
 139         /* Backlight */
 140         MX35_PAD_CONTRAST__IPU_DISPB_CONTR,
 141         /* LCD_PWR */
 142         MX35_PAD_D3_CLS__GPIO1_4,
 143         /* LED */
 144         MX35_PAD_LD23__GPIO3_29,
 145         /* SWITCH */
 146         MX35_PAD_LD19__GPIO3_25,
 147         /* UART2 */
 148         MX35_PAD_CTS2__UART2_CTS,
 149         MX35_PAD_RTS2__UART2_RTS,
 150         MX35_PAD_TXD2__UART2_TXD_MUX,
 151         MX35_PAD_RXD2__UART2_RXD_MUX,
 152         /* I2S */
 153         MX35_PAD_STXFS4__AUDMUX_AUD4_TXFS,
 154         MX35_PAD_STXD4__AUDMUX_AUD4_TXD,
 155         MX35_PAD_SRXD4__AUDMUX_AUD4_RXD,
 156         MX35_PAD_SCK4__AUDMUX_AUD4_TXC,
 157         /* CAN2 */
 158         MX35_PAD_TX5_RX0__CAN2_TXCAN,
 159         MX35_PAD_TX4_RX1__CAN2_RXCAN,
 160         /* SDCARD */
 161         MX35_PAD_SD1_CMD__ESDHC1_CMD,
 162         MX35_PAD_SD1_CLK__ESDHC1_CLK,
 163         MX35_PAD_SD1_DATA0__ESDHC1_DAT0,
 164         MX35_PAD_SD1_DATA1__ESDHC1_DAT1,
 165         MX35_PAD_SD1_DATA2__ESDHC1_DAT2,
 166         MX35_PAD_SD1_DATA3__ESDHC1_DAT3,
 167         /* SD1 CD */
 168         MX35_PAD_LD18__GPIO3_24,
 169 };
 170
 171 #define GPIO_LED1       IMX_GPIO_NR(3, 29)
 172 #define GPIO_SWITCH1    IMX_GPIO_NR(3, 25)
 173 #define GPIO_LCDPWR     IMX_GPIO_NR(1, 4)
 174 #define GPIO_SD1CD      IMX_GPIO_NR(3, 24)
 175
 176 static void eukrea_mbimxsd_lcd_power_set(struct plat_lcd_data *pd,
 177                                    unsigned int power)
 178 {
 179         if (power)
 180                 gpio_direction_output(GPIO_LCDPWR, 1);
 181         else
 182                 gpio_direction_output(GPIO_LCDPWR, 0);
 183 }
 184
 185 static struct plat_lcd_data eukrea_mbimxsd_lcd_power_data = {
 186         .set_power              = eukrea_mbimxsd_lcd_power_set,
 187 };
 188
 189 static struct platform_device eukrea_mbimxsd_lcd_powerdev = {
 190         .name                   = "platform-lcd",
 191         .dev.platform_data      = &eukrea_mbimxsd_lcd_power_data,
 192 };
 193
 194 static struct gpio_led eukrea_mbimxsd_leds[] = {
 195         {
 196                 .name                   = "led1",
 197                 .default_trigger        = "heartbeat",
 198                 .active_low             = 1,
 199                 .gpio                   = GPIO_LED1,
 200         },
 201 };
 202
 203 static struct gpio_led_platform_data eukrea_mbimxsd_led_info = {
 204         .leds           = eukrea_mbimxsd_leds,
 205         .num_leds       = ARRAY_SIZE(eukrea_mbimxsd_leds),
 206 };
 207
 208 static struct platform_device eukrea_mbimxsd_leds_gpio = {
 209         .name   = "leds-gpio",
 210         .id     = -1,
 211         .dev    = {
 212                 .platform_data  = &eukrea_mbimxsd_led_info,
 213         },
 214 };
 215
 216 static struct gpio_keys_button eukrea_mbimxsd_gpio_buttons[] = {
 217         {
 218                 .gpio           = GPIO_SWITCH1,
 219                 .code           = BTN_0,
 220                 .desc           = "BP1",
 221                 .active_low     = 1,
 222                 .wakeup         = 1,
 223         },
 224 };
 225
 226 static struct gpio_keys_platform_data eukrea_mbimxsd_button_data = {
 227         .buttons        = eukrea_mbimxsd_gpio_buttons,
 228         .nbuttons       = ARRAY_SIZE(eukrea_mbimxsd_gpio_buttons),
 229 };
 230
 231 static struct platform_device eukrea_mbimxsd_button_device = {
 232         .name           = "gpio-keys",
 233         .id             = -1,
 234         .num_resources  = 0,
 235         .dev            = {
 236                 .platform_data  = &eukrea_mbimxsd_button_data,
 237         }
 238 };
 239
 240 static struct platform_device *platform_devices[] __initdata = {
 241         &eukrea_mbimxsd_leds_gpio,
 242         &eukrea_mbimxsd_button_device,
 243         &eukrea_mbimxsd_lcd_powerdev,
 244 };
 245
 246 static const struct imxuart_platform_data uart_pdata __initconst = {
 247         .flags = IMXUART_HAVE_RTSCTS,
 248 };
 249
 250 static struct i2c_board_info eukrea_mbimxsd_i2c_devices[] = {
 251         {
 252                 I2C_BOARD_INFO("tlv320aic23", 0x1a),
 253         },
 254 };
 255
 256 static const
 257 struct imx_ssi_platform_data eukrea_mbimxsd_ssi_pdata __initconst = {
 258         .flags = IMX_SSI_SYN | IMX_SSI_NET | IMX_SSI_USE_I2S_SLAVE,
 259 };
 260
 261 static struct esdhc_platform_data sd1_pdata = {
 262         .cd_gpio = GPIO_SD1CD,
 263         .wp_gpio = -EINVAL,
 264 };
 265
 266 /*
 267  * system init for baseboard usage. Will be called by cpuimx35 init.
 268  *
 269  * Add platform devices present on this baseboard and init
 270  * them from CPU side as far as required to use them later on
 271  */
 272 void __init eukrea_mbimxsd35_baseboard_init(void)
 273 {
 274         if (mxc_iomux_v3_setup_multiple_pads(eukrea_mbimxsd_pads,
 275                         ARRAY_SIZE(eukrea_mbimxsd_pads)))
 276                 printk(KERN_ERR "error setting mbimxsd pads !\n");
 277
 278 #if defined(CONFIG_SND_SOC_EUKREA_TLV320)
 279         /* SSI unit master I2S codec connected to SSI_AUD4 */
 280         mxc_audmux_v2_configure_port(0,
 281                         MXC_AUDMUX_V2_PTCR_SYN |
 282                         MXC_AUDMUX_V2_PTCR_TFSDIR |
 283                         MXC_AUDMUX_V2_PTCR_TFSEL(3) |
 284                         MXC_AUDMUX_V2_PTCR_TCLKDIR |
 285                         MXC_AUDMUX_V2_PTCR_TCSEL(3),
 286                         MXC_AUDMUX_V2_PDCR_RXDSEL(3)
 287         );
 288         mxc_audmux_v2_configure_port(3,
 289                         MXC_AUDMUX_V2_PTCR_SYN,
 290                         MXC_AUDMUX_V2_PDCR_RXDSEL(0)
 291         );
 292 #endif
 293
 294         imx35_add_imx_uart1(&uart_pdata);
 295         mxc_register_device(&mx3_ipu, &mx3_ipu_data);
 296         mxc_register_device(&mx3_fb, &mx3fb_pdata);
 297
 298         imx35_add_imx_ssi(0, &eukrea_mbimxsd_ssi_pdata);
 299
 300         imx35_add_flexcan1(NULL);
 301         imx35_add_sdhci_esdhc_imx(0, &sd1_pdata);
 302
 303         gpio_request(GPIO_LED1, "LED1");
 304         gpio_direction_output(GPIO_LED1, 1);
 305         gpio_free(GPIO_LED1);
 306
 307         gpio_request(GPIO_SWITCH1, "SWITCH1");
 308         gpio_direction_input(GPIO_SWITCH1);
 309         gpio_free(GPIO_SWITCH1);
 310
 311         gpio_request(GPIO_LCDPWR, "LCDPWR");
 312         gpio_direction_output(GPIO_LCDPWR, 1);
 313
 314         i2c_register_board_info(0, eukrea_mbimxsd_i2c_devices,
 315                                 ARRAY_SIZE(eukrea_mbimxsd_i2c_devices));
 316
 317         platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
 318 }