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
  47 #include "devices-imx35.h"
  48 #include "devices.h"
  49
  50 static const struct fb_videomode fb_modedb[] = {
  51         {
  52                 .name           = "CMO-QVGA",
  53                 .refresh        = 60,
  54                 .xres           = 320,
  55                 .yres           = 240,
  56                 .pixclock       = KHZ2PICOS(6500),
  57                 .left_margin    = 68,
  58                 .right_margin   = 20,
  59                 .upper_margin   = 15,
  60                 .lower_margin   = 4,
  61                 .hsync_len      = 30,
  62                 .vsync_len      = 3,
  63                 .sync           = 0,
  64                 .vmode          = FB_VMODE_NONINTERLACED,
  65                 .flag           = 0,
  66         },
  67         {
  68                 .name           = "DVI-VGA",
  69                 .refresh        = 60,
  70                 .xres           = 640,
  71                 .yres           = 480,
  72                 .pixclock       = 32000,
  73                 .left_margin    = 100,
  74                 .right_margin   = 100,
  75                 .upper_margin   = 7,
  76                 .lower_margin   = 100,
  77                 .hsync_len      = 7,
  78                 .vsync_len      = 7,
  79                 .sync           = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT |
  80                                   FB_SYNC_OE_ACT_HIGH | FB_SYNC_CLK_INVERT,
  81                 .vmode          = FB_VMODE_NONINTERLACED,
  82                 .flag           = 0,
  83         },
  84         {
  85                 .name           = "DVI-SVGA",
  86                 .refresh        = 60,
  87                 .xres           = 800,
  88                 .yres           = 600,
  89                 .pixclock       = 25000,
  90                 .left_margin    = 75,
  91                 .right_margin   = 75,
  92                 .upper_margin   = 7,
  93                 .lower_margin   = 75,
  94                 .hsync_len      = 7,
  95                 .vsync_len      = 7,
  96                 .sync           = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT |
  97                                   FB_SYNC_OE_ACT_HIGH | FB_SYNC_CLK_INVERT,
  98                 .vmode          = FB_VMODE_NONINTERLACED,
  99                 .flag           = 0,
 100         },
 101 };
 102
 103 static struct ipu_platform_data mx3_ipu_data = {
 104         .irq_base = MXC_IPU_IRQ_START,
 105 };
 106
 107 static struct mx3fb_platform_data mx3fb_pdata = {
 108         .dma_dev        = &mx3_ipu.dev,
 109         .name           = "CMO-QVGA",
 110         .mode           = fb_modedb,
 111         .num_modes      = ARRAY_SIZE(fb_modedb),
 112 };
 113
 114 static iomux_v3_cfg_t eukrea_mbimxsd_pads[] = {
 115         /* LCD */
 116         MX35_PAD_LD0__IPU_DISPB_DAT_0,
 117         MX35_PAD_LD1__IPU_DISPB_DAT_1,
 118         MX35_PAD_LD2__IPU_DISPB_DAT_2,
 119         MX35_PAD_LD3__IPU_DISPB_DAT_3,
 120         MX35_PAD_LD4__IPU_DISPB_DAT_4,
 121         MX35_PAD_LD5__IPU_DISPB_DAT_5,
 122         MX35_PAD_LD6__IPU_DISPB_DAT_6,
 123         MX35_PAD_LD7__IPU_DISPB_DAT_7,
 124         MX35_PAD_LD8__IPU_DISPB_DAT_8,
 125         MX35_PAD_LD9__IPU_DISPB_DAT_9,
 126         MX35_PAD_LD10__IPU_DISPB_DAT_10,
 127         MX35_PAD_LD11__IPU_DISPB_DAT_11,
 128         MX35_PAD_LD12__IPU_DISPB_DAT_12,
 129         MX35_PAD_LD13__IPU_DISPB_DAT_13,
 130         MX35_PAD_LD14__IPU_DISPB_DAT_14,
 131         MX35_PAD_LD15__IPU_DISPB_DAT_15,
 132         MX35_PAD_LD16__IPU_DISPB_DAT_16,
 133         MX35_PAD_LD17__IPU_DISPB_DAT_17,
 134         MX35_PAD_D3_HSYNC__IPU_DISPB_D3_HSYNC,
 135         MX35_PAD_D3_FPSHIFT__IPU_DISPB_D3_CLK,
 136         MX35_PAD_D3_DRDY__IPU_DISPB_D3_DRDY,
 137         MX35_PAD_D3_VSYNC__IPU_DISPB_D3_VSYNC,
 138         /* Backlight */
 139         MX35_PAD_CONTRAST__IPU_DISPB_CONTR,
 140         /* LCD_PWR */
 141         MX35_PAD_D3_CLS__GPIO1_4,
 142         /* LED */
 143         MX35_PAD_LD23__GPIO3_29,
 144         /* SWITCH */
 145         MX35_PAD_LD19__GPIO3_25,
 146         /* UART2 */
 147         MX35_PAD_CTS2__UART2_CTS,
 148         MX35_PAD_RTS2__UART2_RTS,
 149         MX35_PAD_TXD2__UART2_TXD_MUX,
 150         MX35_PAD_RXD2__UART2_RXD_MUX,
 151         /* I2S */
 152         MX35_PAD_STXFS4__AUDMUX_AUD4_TXFS,
 153         MX35_PAD_STXD4__AUDMUX_AUD4_TXD,
 154         MX35_PAD_SRXD4__AUDMUX_AUD4_RXD,
 155         MX35_PAD_SCK4__AUDMUX_AUD4_TXC,
 156         /* CAN2 */
 157         MX35_PAD_TX5_RX0__CAN2_TXCAN,
 158         MX35_PAD_TX4_RX1__CAN2_RXCAN,
 159         /* SDCARD */
 160         MX35_PAD_SD1_CMD__ESDHC1_CMD,
 161         MX35_PAD_SD1_CLK__ESDHC1_CLK,
 162         MX35_PAD_SD1_DATA0__ESDHC1_DAT0,
 163         MX35_PAD_SD1_DATA1__ESDHC1_DAT1,
 164         MX35_PAD_SD1_DATA2__ESDHC1_DAT2,
 165         MX35_PAD_SD1_DATA3__ESDHC1_DAT3,
 166 };
 167
 168 #define GPIO_LED1       (2 * 32 + 29)
 169 #define GPIO_SWITCH1    (2 * 32 + 25)
 170 #define GPIO_LCDPWR     (4)
 171
 172 static void eukrea_mbimxsd_lcd_power_set(struct plat_lcd_data *pd,
 173                                    unsigned int power)
 174 {
 175         if (power)
 176                 gpio_direction_output(GPIO_LCDPWR, 1);
 177         else
 178                 gpio_direction_output(GPIO_LCDPWR, 0);
 179 }
 180
 181 static struct plat_lcd_data eukrea_mbimxsd_lcd_power_data = {
 182         .set_power              = eukrea_mbimxsd_lcd_power_set,
 183 };
 184
 185 static struct platform_device eukrea_mbimxsd_lcd_powerdev = {
 186         .name                   = "platform-lcd",
 187         .dev.platform_data      = &eukrea_mbimxsd_lcd_power_data,
 188 };
 189
 190 static struct gpio_led eukrea_mbimxsd_leds[] = {
 191         {
 192                 .name                   = "led1",
 193                 .default_trigger        = "heartbeat",
 194                 .active_low             = 1,
 195                 .gpio                   = GPIO_LED1,
 196         },
 197 };
 198
 199 static struct gpio_led_platform_data eukrea_mbimxsd_led_info = {
 200         .leds           = eukrea_mbimxsd_leds,
 201         .num_leds       = ARRAY_SIZE(eukrea_mbimxsd_leds),
 202 };
 203
 204 static struct platform_device eukrea_mbimxsd_leds_gpio = {
 205         .name   = "leds-gpio",
 206         .id     = -1,
 207         .dev    = {
 208                 .platform_data  = &eukrea_mbimxsd_led_info,
 209         },
 210 };
 211
 212 static struct gpio_keys_button eukrea_mbimxsd_gpio_buttons[] = {
 213         {
 214                 .gpio           = GPIO_SWITCH1,
 215                 .code           = BTN_0,
 216                 .desc           = "BP1",
 217                 .active_low     = 1,
 218                 .wakeup         = 1,
 219         },
 220 };
 221
 222 static struct gpio_keys_platform_data eukrea_mbimxsd_button_data = {
 223         .buttons        = eukrea_mbimxsd_gpio_buttons,
 224         .nbuttons       = ARRAY_SIZE(eukrea_mbimxsd_gpio_buttons),
 225 };
 226
 227 static struct platform_device eukrea_mbimxsd_button_device = {
 228         .name           = "gpio-keys",
 229         .id             = -1,
 230         .num_resources  = 0,
 231         .dev            = {
 232                 .platform_data  = &eukrea_mbimxsd_button_data,
 233         }
 234 };
 235
 236 static struct platform_device *platform_devices[] __initdata = {
 237         &eukrea_mbimxsd_leds_gpio,
 238         &eukrea_mbimxsd_button_device,
 239         &eukrea_mbimxsd_lcd_powerdev,
 240 };
 241
 242 static const struct imxuart_platform_data uart_pdata __initconst = {
 243         .flags = IMXUART_HAVE_RTSCTS,
 244 };
 245
 246 static struct i2c_board_info eukrea_mbimxsd_i2c_devices[] = {
 247         {
 248                 I2C_BOARD_INFO("tlv320aic23", 0x1a),
 249         },
 250 };
 251
 252 static const
 253 struct imx_ssi_platform_data eukrea_mbimxsd_ssi_pdata __initconst = {
 254         .flags = IMX_SSI_SYN | IMX_SSI_NET | IMX_SSI_USE_I2S_SLAVE,
 255 };
 256
 257 /*
 258  * system init for baseboard usage. Will be called by cpuimx35 init.
 259  *
 260  * Add platform devices present on this baseboard and init
 261  * them from CPU side as far as required to use them later on
 262  */
 263 void __init eukrea_mbimxsd35_baseboard_init(void)
 264 {
 265         if (mxc_iomux_v3_setup_multiple_pads(eukrea_mbimxsd_pads,
 266                         ARRAY_SIZE(eukrea_mbimxsd_pads)))
 267                 printk(KERN_ERR "error setting mbimxsd pads !\n");
 268
 269 #if defined(CONFIG_SND_SOC_EUKREA_TLV320)
 270         /* SSI unit master I2S codec connected to SSI_AUD4 */
 271         mxc_audmux_v2_configure_port(0,
 272                         MXC_AUDMUX_V2_PTCR_SYN |
 273                         MXC_AUDMUX_V2_PTCR_TFSDIR |
 274                         MXC_AUDMUX_V2_PTCR_TFSEL(3) |
 275                         MXC_AUDMUX_V2_PTCR_TCLKDIR |
 276                         MXC_AUDMUX_V2_PTCR_TCSEL(3),
 277                         MXC_AUDMUX_V2_PDCR_RXDSEL(3)
 278         );
 279         mxc_audmux_v2_configure_port(3,
 280                         MXC_AUDMUX_V2_PTCR_SYN,
 281                         MXC_AUDMUX_V2_PDCR_RXDSEL(0)
 282         );
 283 #endif
 284
 285         imx35_add_imx_uart1(&uart_pdata);
 286         mxc_register_device(&mx3_ipu, &mx3_ipu_data);
 287         mxc_register_device(&mx3_fb, &mx3fb_pdata);
 288
 289         imx35_add_imx_ssi(0, &eukrea_mbimxsd_ssi_pdata);
 290
 291         imx35_add_flexcan1(NULL);
 292         imx35_add_sdhci_esdhc_imx(0, NULL);
 293
 294         gpio_request(GPIO_LED1, "LED1");
 295         gpio_direction_output(GPIO_LED1, 1);
 296         gpio_free(GPIO_LED1);
 297
 298         gpio_request(GPIO_SWITCH1, "SWITCH1");
 299         gpio_direction_input(GPIO_SWITCH1);
 300         gpio_free(GPIO_SWITCH1);
 301
 302         gpio_request(GPIO_LCDPWR, "LCDPWR");
 303         gpio_direction_output(GPIO_LCDPWR, 1);
 304         gpio_free(GPIO_LCDPWR);
 305
 306         i2c_register_board_info(0, eukrea_mbimxsd_i2c_devices,
 307                                 ARRAY_SIZE(eukrea_mbimxsd_i2c_devices));
 308
 309         platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
 310 }