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 <video/platform_lcd.h>
  31 #include <linux/i2c.h>
  32
  33 #include <asm/mach-types.h>
  34 #include <asm/mach/arch.h>
  35 #include <asm/mach/time.h>
  36 #include <asm/mach/map.h>
  37
  38 #include <mach/hardware.h>
  39 #include <mach/common.h>
  40 #include <mach/iomux-mx35.h>
  41 #include <mach/audmux.h>
  42
  43 #include "devices-imx35.h"
  44
  45 static const struct fb_videomode fb_modedb[] = {
  46         {
  47                 .name           = "CMO-QVGA",
  48                 .refresh        = 60,
  49                 .xres           = 320,
  50                 .yres           = 240,
  51                 .pixclock       = KHZ2PICOS(6500),
  52                 .left_margin    = 68,
  53                 .right_margin   = 20,
  54                 .upper_margin   = 15,
  55                 .lower_margin   = 4,
  56                 .hsync_len      = 30,
  57                 .vsync_len      = 3,
  58                 .sync           = 0,
  59                 .vmode          = FB_VMODE_NONINTERLACED,
  60                 .flag           = 0,
  61         },
  62         {
  63                 .name           = "DVI-VGA",
  64                 .refresh        = 60,
  65                 .xres           = 640,
  66                 .yres           = 480,
  67                 .pixclock       = 32000,
  68                 .left_margin    = 100,
  69                 .right_margin   = 100,
  70                 .upper_margin   = 7,
  71                 .lower_margin   = 100,
  72                 .hsync_len      = 7,
  73                 .vsync_len      = 7,
  74                 .sync           = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT |
  75                                   FB_SYNC_OE_ACT_HIGH | FB_SYNC_CLK_INVERT,
  76                 .vmode          = FB_VMODE_NONINTERLACED,
  77                 .flag           = 0,
  78         },
  79         {
  80                 .name           = "DVI-SVGA",
  81                 .refresh        = 60,
  82                 .xres           = 800,
  83                 .yres           = 600,
  84                 .pixclock       = 25000,
  85                 .left_margin    = 75,
  86                 .right_margin   = 75,
  87                 .upper_margin   = 7,
  88                 .lower_margin   = 75,
  89                 .hsync_len      = 7,
  90                 .vsync_len      = 7,
  91                 .sync           = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT |
  92                                   FB_SYNC_OE_ACT_HIGH | FB_SYNC_CLK_INVERT,
  93                 .vmode          = FB_VMODE_NONINTERLACED,
  94                 .flag           = 0,
  95         },
  96 };
  97
  98 static const struct ipu_platform_data mx3_ipu_data __initconst = {
  99         .irq_base = MXC_IPU_IRQ_START,
 100 };
 101
 102 static struct mx3fb_platform_data mx3fb_pdata __initdata = {
 103         .name           = "CMO-QVGA",
 104         .mode           = fb_modedb,
 105         .num_modes      = ARRAY_SIZE(fb_modedb),
 106 };
 107
 108 static iomux_v3_cfg_t eukrea_mbimxsd_pads[] = {
 109         /* LCD */
 110         MX35_PAD_LD0__IPU_DISPB_DAT_0,
 111         MX35_PAD_LD1__IPU_DISPB_DAT_1,
 112         MX35_PAD_LD2__IPU_DISPB_DAT_2,
 113         MX35_PAD_LD3__IPU_DISPB_DAT_3,
 114         MX35_PAD_LD4__IPU_DISPB_DAT_4,
 115         MX35_PAD_LD5__IPU_DISPB_DAT_5,
 116         MX35_PAD_LD6__IPU_DISPB_DAT_6,
 117         MX35_PAD_LD7__IPU_DISPB_DAT_7,
 118         MX35_PAD_LD8__IPU_DISPB_DAT_8,
 119         MX35_PAD_LD9__IPU_DISPB_DAT_9,
 120         MX35_PAD_LD10__IPU_DISPB_DAT_10,
 121         MX35_PAD_LD11__IPU_DISPB_DAT_11,
 122         MX35_PAD_LD12__IPU_DISPB_DAT_12,
 123         MX35_PAD_LD13__IPU_DISPB_DAT_13,
 124         MX35_PAD_LD14__IPU_DISPB_DAT_14,
 125         MX35_PAD_LD15__IPU_DISPB_DAT_15,
 126         MX35_PAD_LD16__IPU_DISPB_DAT_16,
 127         MX35_PAD_LD17__IPU_DISPB_DAT_17,
 128         MX35_PAD_D3_HSYNC__IPU_DISPB_D3_HSYNC,
 129         MX35_PAD_D3_FPSHIFT__IPU_DISPB_D3_CLK,
 130         MX35_PAD_D3_DRDY__IPU_DISPB_D3_DRDY,
 131         MX35_PAD_D3_VSYNC__IPU_DISPB_D3_VSYNC,
 132         /* Backlight */
 133         MX35_PAD_CONTRAST__IPU_DISPB_CONTR,
 134         /* LCD_PWR */
 135         MX35_PAD_D3_CLS__GPIO1_4,
 136         /* LED */
 137         MX35_PAD_LD23__GPIO3_29,
 138         /* SWITCH */
 139         MX35_PAD_LD19__GPIO3_25,
 140         /* UART2 */
 141         MX35_PAD_CTS2__UART2_CTS,
 142         MX35_PAD_RTS2__UART2_RTS,
 143         MX35_PAD_TXD2__UART2_TXD_MUX,
 144         MX35_PAD_RXD2__UART2_RXD_MUX,
 145         /* I2S */
 146         MX35_PAD_STXFS4__AUDMUX_AUD4_TXFS,
 147         MX35_PAD_STXD4__AUDMUX_AUD4_TXD,
 148         MX35_PAD_SRXD4__AUDMUX_AUD4_RXD,
 149         MX35_PAD_SCK4__AUDMUX_AUD4_TXC,
 150         /* CAN2 */
 151         MX35_PAD_TX5_RX0__CAN2_TXCAN,
 152         MX35_PAD_TX4_RX1__CAN2_RXCAN,
 153         /* SDCARD */
 154         MX35_PAD_SD1_CMD__ESDHC1_CMD,
 155         MX35_PAD_SD1_CLK__ESDHC1_CLK,
 156         MX35_PAD_SD1_DATA0__ESDHC1_DAT0,
 157         MX35_PAD_SD1_DATA1__ESDHC1_DAT1,
 158         MX35_PAD_SD1_DATA2__ESDHC1_DAT2,
 159         MX35_PAD_SD1_DATA3__ESDHC1_DAT3,
 160         /* SD1 CD */
 161         MX35_PAD_LD18__GPIO3_24,
 162 };
 163
 164 #define GPIO_LED1       IMX_GPIO_NR(3, 29)
 165 #define GPIO_SWITCH1    IMX_GPIO_NR(3, 25)
 166 #define GPIO_LCDPWR     IMX_GPIO_NR(1, 4)
 167 #define GPIO_SD1CD      IMX_GPIO_NR(3, 24)
 168
 169 static void eukrea_mbimxsd_lcd_power_set(struct plat_lcd_data *pd,
 170                                    unsigned int power)
 171 {
 172         if (power)
 173                 gpio_direction_output(GPIO_LCDPWR, 1);
 174         else
 175                 gpio_direction_output(GPIO_LCDPWR, 0);
 176 }
 177
 178 static struct plat_lcd_data eukrea_mbimxsd_lcd_power_data = {
 179         .set_power              = eukrea_mbimxsd_lcd_power_set,
 180 };
 181
 182 static struct platform_device eukrea_mbimxsd_lcd_powerdev = {
 183         .name                   = "platform-lcd",
 184         .dev.platform_data      = &eukrea_mbimxsd_lcd_power_data,
 185 };
 186
 187 static struct gpio_led eukrea_mbimxsd_leds[] = {
 188         {
 189                 .name                   = "led1",
 190                 .default_trigger        = "heartbeat",
 191                 .active_low             = 1,
 192                 .gpio                   = GPIO_LED1,
 193         },
 194 };
 195
 196 static const struct gpio_led_platform_data
 197                 eukrea_mbimxsd_led_info __initconst = {
 198         .leds           = eukrea_mbimxsd_leds,
 199         .num_leds       = ARRAY_SIZE(eukrea_mbimxsd_leds),
 200 };
 201
 202 static struct gpio_keys_button eukrea_mbimxsd_gpio_buttons[] = {
 203         {
 204                 .gpio           = GPIO_SWITCH1,
 205                 .code           = BTN_0,
 206                 .desc           = "BP1",
 207                 .active_low     = 1,
 208                 .wakeup         = 1,
 209         },
 210 };
 211
 212 static const struct gpio_keys_platform_data
 213                 eukrea_mbimxsd_button_data __initconst = {
 214         .buttons        = eukrea_mbimxsd_gpio_buttons,
 215         .nbuttons       = ARRAY_SIZE(eukrea_mbimxsd_gpio_buttons),
 216 };
 217
 218 static struct platform_device *platform_devices[] __initdata = {
 219         &eukrea_mbimxsd_lcd_powerdev,
 220 };
 221
 222 static const struct imxuart_platform_data uart_pdata __initconst = {
 223         .flags = IMXUART_HAVE_RTSCTS,
 224 };
 225
 226 static struct i2c_board_info eukrea_mbimxsd_i2c_devices[] = {
 227         {
 228                 I2C_BOARD_INFO("tlv320aic23", 0x1a),
 229         },
 230 };
 231
 232 static const
 233 struct imx_ssi_platform_data eukrea_mbimxsd_ssi_pdata __initconst = {
 234         .flags = IMX_SSI_SYN | IMX_SSI_NET | IMX_SSI_USE_I2S_SLAVE,
 235 };
 236
 237 static struct esdhc_platform_data sd1_pdata = {
 238         .cd_gpio = GPIO_SD1CD,
 239         .cd_type = ESDHC_CD_GPIO,
 240         .wp_type = ESDHC_WP_NONE,
 241 };
 242
 243 /*
 244  * system init for baseboard usage. Will be called by cpuimx35 init.
 245  *
 246  * Add platform devices present on this baseboard and init
 247  * them from CPU side as far as required to use them later on
 248  */
 249 void __init eukrea_mbimxsd35_baseboard_init(void)
 250 {
 251         if (mxc_iomux_v3_setup_multiple_pads(eukrea_mbimxsd_pads,
 252                         ARRAY_SIZE(eukrea_mbimxsd_pads)))
 253                 printk(KERN_ERR "error setting mbimxsd pads !\n");
 254
 255 #if defined(CONFIG_SND_SOC_EUKREA_TLV320)
 256         /* SSI unit master I2S codec connected to SSI_AUD4 */
 257         mxc_audmux_v2_configure_port(0,
 258                         MXC_AUDMUX_V2_PTCR_SYN |
 259                         MXC_AUDMUX_V2_PTCR_TFSDIR |
 260                         MXC_AUDMUX_V2_PTCR_TFSEL(3) |
 261                         MXC_AUDMUX_V2_PTCR_TCLKDIR |
 262                         MXC_AUDMUX_V2_PTCR_TCSEL(3),
 263                         MXC_AUDMUX_V2_PDCR_RXDSEL(3)
 264         );
 265         mxc_audmux_v2_configure_port(3,
 266                         MXC_AUDMUX_V2_PTCR_SYN,
 267                         MXC_AUDMUX_V2_PDCR_RXDSEL(0)
 268         );
 269 #endif
 270
 271         imx35_add_imx_uart1(&uart_pdata);
 272         imx35_add_ipu_core(&mx3_ipu_data);
 273         imx35_add_mx3_sdc_fb(&mx3fb_pdata);
 274
 275         imx35_add_imx_ssi(0, &eukrea_mbimxsd_ssi_pdata);
 276
 277         imx35_add_flexcan1(NULL);
 278         imx35_add_sdhci_esdhc_imx(0, &sd1_pdata);
 279
 280         gpio_request(GPIO_LED1, "LED1");
 281         gpio_direction_output(GPIO_LED1, 1);
 282         gpio_free(GPIO_LED1);
 283
 284         gpio_request(GPIO_SWITCH1, "SWITCH1");
 285         gpio_direction_input(GPIO_SWITCH1);
 286         gpio_free(GPIO_SWITCH1);
 287
 288         gpio_request(GPIO_LCDPWR, "LCDPWR");
 289         gpio_direction_output(GPIO_LCDPWR, 1);
 290
 291         i2c_register_board_info(0, eukrea_mbimxsd_i2c_devices,
 292                                 ARRAY_SIZE(eukrea_mbimxsd_i2c_devices));
 293
 294         platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
 295         gpio_led_register_device(-1, &eukrea_mbimxsd_led_info);
 296         imx_add_gpio_keys(&eukrea_mbimxsd_button_data);
 297 }