arch/arm/mach-imx/eukrea_mbimxsd25-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/gpio.h>
  23 #include <linux/leds.h>
  24 #include <linux/platform_device.h>
  25 #include <linux/input.h>
  26 #include <video/platform_lcd.h>
  27
  28 #include <mach/hardware.h>
  29 #include <mach/iomux-mx25.h>
  30 #include <mach/common.h>
  31 #include <asm/mach-types.h>
  32 #include <asm/mach/arch.h>
  33 #include <mach/mx25.h>
  34 #include <mach/audmux.h>
  35
  36 #include "devices-imx25.h"
  37
  38 static iomux_v3_cfg_t eukrea_mbimxsd_pads[] = {
  39         /* LCD */
  40         MX25_PAD_LD0__LD0,
  41         MX25_PAD_LD1__LD1,
  42         MX25_PAD_LD2__LD2,
  43         MX25_PAD_LD3__LD3,
  44         MX25_PAD_LD4__LD4,
  45         MX25_PAD_LD5__LD5,
  46         MX25_PAD_LD6__LD6,
  47         MX25_PAD_LD7__LD7,
  48         MX25_PAD_LD8__LD8,
  49         MX25_PAD_LD9__LD9,
  50         MX25_PAD_LD10__LD10,
  51         MX25_PAD_LD11__LD11,
  52         MX25_PAD_LD12__LD12,
  53         MX25_PAD_LD13__LD13,
  54         MX25_PAD_LD14__LD14,
  55         MX25_PAD_LD15__LD15,
  56         MX25_PAD_GPIO_E__LD16,
  57         MX25_PAD_GPIO_F__LD17,
  58         MX25_PAD_HSYNC__HSYNC,
  59         MX25_PAD_VSYNC__VSYNC,
  60         MX25_PAD_LSCLK__LSCLK,
  61         MX25_PAD_OE_ACD__OE_ACD,
  62         MX25_PAD_CONTRAST__CONTRAST,
  63         /* LCD_PWR */
  64         MX25_PAD_PWM__GPIO_1_26,
  65         /* LED */
  66         MX25_PAD_POWER_FAIL__GPIO_3_19,
  67         /* SWITCH */
  68         MX25_PAD_VSTBY_ACK__GPIO_3_18,
  69         /* UART2 */
  70         MX25_PAD_UART2_RTS__UART2_RTS,
  71         MX25_PAD_UART2_CTS__UART2_CTS,
  72         MX25_PAD_UART2_TXD__UART2_TXD,
  73         MX25_PAD_UART2_RXD__UART2_RXD,
  74         /* SD1 */
  75         MX25_PAD_SD1_CMD__SD1_CMD,
  76         MX25_PAD_SD1_CLK__SD1_CLK,
  77         MX25_PAD_SD1_DATA0__SD1_DATA0,
  78         MX25_PAD_SD1_DATA1__SD1_DATA1,
  79         MX25_PAD_SD1_DATA2__SD1_DATA2,
  80         MX25_PAD_SD1_DATA3__SD1_DATA3,
  81         /* SD1 CD */
  82         MX25_PAD_DE_B__GPIO_2_20,
  83         /* I2S */
  84         MX25_PAD_KPP_COL3__AUD5_TXFS,
  85         MX25_PAD_KPP_COL2__AUD5_TXC,
  86         MX25_PAD_KPP_COL1__AUD5_RXD,
  87         MX25_PAD_KPP_COL0__AUD5_TXD,
  88         /* CAN */
  89         MX25_PAD_GPIO_D__CAN2_RX,
  90         MX25_PAD_GPIO_C__CAN2_TX,
  91 };
  92
  93 #define GPIO_LED1       83
  94 #define GPIO_SWITCH1    82
  95 #define GPIO_SD1CD      52
  96 #define GPIO_LCDPWR     26
  97
  98 static struct imx_fb_videomode eukrea_mximxsd_modes[] = {
  99         {
 100                 .mode   = {
 101                         .name           = "CMO-QVGA",
 102                         .refresh        = 60,
 103                         .xres           = 320,
 104                         .yres           = 240,
 105                         .pixclock       = KHZ2PICOS(6500),
 106                         .left_margin    = 30,
 107                         .right_margin   = 38,
 108                         .upper_margin   = 20,
 109                         .lower_margin   = 3,
 110                         .hsync_len      = 15,
 111                         .vsync_len      = 4,
 112                 },
 113                 .bpp    = 16,
 114                 .pcr    = 0xCAD08B80,
 115         }, {
 116                 .mode = {
 117                         .name           = "DVI-VGA",
 118                         .refresh        = 60,
 119                         .xres           = 640,
 120                         .yres           = 480,
 121                         .pixclock       = 32000,
 122                         .hsync_len      = 7,
 123                         .left_margin    = 100,
 124                         .right_margin   = 100,
 125                         .vsync_len      = 7,
 126                         .upper_margin   = 7,
 127                         .lower_margin   = 100,
 128                 },
 129                 .pcr            = 0xFA208B80,
 130                 .bpp            = 16,
 131         }, {
 132                 .mode = {
 133                         .name           = "DVI-SVGA",
 134                         .refresh        = 60,
 135                         .xres           = 800,
 136                         .yres           = 600,
 137                         .pixclock       = 25000,
 138                         .hsync_len      = 7,
 139                         .left_margin    = 75,
 140                         .right_margin   = 75,
 141                         .vsync_len      = 7,
 142                         .upper_margin   = 7,
 143                         .lower_margin   = 75,
 144                 },
 145                 .pcr            = 0xFA208B80,
 146                 .bpp            = 16,
 147         },
 148 };
 149
 150 static const struct imx_fb_platform_data eukrea_mximxsd_fb_pdata __initconst = {
 151         .mode           = eukrea_mximxsd_modes,
 152         .num_modes      = ARRAY_SIZE(eukrea_mximxsd_modes),
 153         .pwmr           = 0x00A903FF,
 154         .lscr1          = 0x00120300,
 155         .dmacr          = 0x00040060,
 156 };
 157
 158 static void eukrea_mbimxsd_lcd_power_set(struct plat_lcd_data *pd,
 159                                    unsigned int power)
 160 {
 161         if (power)
 162                 gpio_direction_output(GPIO_LCDPWR, 1);
 163         else
 164                 gpio_direction_output(GPIO_LCDPWR, 0);
 165 }
 166
 167 static struct plat_lcd_data eukrea_mbimxsd_lcd_power_data = {
 168         .set_power              = eukrea_mbimxsd_lcd_power_set,
 169 };
 170
 171 static struct platform_device eukrea_mbimxsd_lcd_powerdev = {
 172         .name                   = "platform-lcd",
 173         .dev.platform_data      = &eukrea_mbimxsd_lcd_power_data,
 174 };
 175
 176 static const struct gpio_led eukrea_mbimxsd_leds[] __initconst = {
 177         {
 178                 .name                   = "led1",
 179                 .default_trigger        = "heartbeat",
 180                 .active_low             = 1,
 181                 .gpio                   = GPIO_LED1,
 182         },
 183 };
 184
 185 static const struct gpio_led_platform_data
 186                 eukrea_mbimxsd_led_info __initconst = {
 187         .leds           = eukrea_mbimxsd_leds,
 188         .num_leds       = ARRAY_SIZE(eukrea_mbimxsd_leds),
 189 };
 190
 191 static struct gpio_keys_button eukrea_mbimxsd_gpio_buttons[] = {
 192         {
 193                 .gpio           = GPIO_SWITCH1,
 194                 .code           = BTN_0,
 195                 .desc           = "BP1",
 196                 .active_low     = 1,
 197                 .wakeup         = 1,
 198         },
 199 };
 200
 201 static const struct gpio_keys_platform_data
 202                 eukrea_mbimxsd_button_data __initconst = {
 203         .buttons        = eukrea_mbimxsd_gpio_buttons,
 204         .nbuttons       = ARRAY_SIZE(eukrea_mbimxsd_gpio_buttons),
 205 };
 206
 207 static struct platform_device *platform_devices[] __initdata = {
 208         &eukrea_mbimxsd_lcd_powerdev,
 209 };
 210
 211 static const struct imxuart_platform_data uart_pdata __initconst = {
 212         .flags = IMXUART_HAVE_RTSCTS,
 213 };
 214
 215 static struct i2c_board_info eukrea_mbimxsd_i2c_devices[] = {
 216         {
 217                 I2C_BOARD_INFO("tlv320aic23", 0x1a),
 218         },
 219 };
 220
 221 static const
 222 struct imx_ssi_platform_data eukrea_mbimxsd_ssi_pdata __initconst = {
 223         .flags = IMX_SSI_SYN | IMX_SSI_NET | IMX_SSI_USE_I2S_SLAVE,
 224 };
 225
 226 static struct esdhc_platform_data sd1_pdata = {
 227         .cd_gpio = GPIO_SD1CD,
 228         .cd_type = ESDHC_CD_GPIO,
 229         .wp_type = ESDHC_WP_NONE,
 230 };
 231
 232 /*
 233  * system init for baseboard usage. Will be called by cpuimx25 init.
 234  *
 235  * Add platform devices present on this baseboard and init
 236  * them from CPU side as far as required to use them later on
 237  */
 238 void __init eukrea_mbimxsd25_baseboard_init(void)
 239 {
 240         if (mxc_iomux_v3_setup_multiple_pads(eukrea_mbimxsd_pads,
 241                         ARRAY_SIZE(eukrea_mbimxsd_pads)))
 242                 printk(KERN_ERR "error setting mbimxsd pads !\n");
 243
 244 #if defined(CONFIG_SND_SOC_EUKREA_TLV320)
 245         /* SSI unit master I2S codec connected to SSI_AUD5*/
 246         mxc_audmux_v2_configure_port(0,
 247                         MXC_AUDMUX_V2_PTCR_SYN |
 248                         MXC_AUDMUX_V2_PTCR_TFSDIR |
 249                         MXC_AUDMUX_V2_PTCR_TFSEL(4) |
 250                         MXC_AUDMUX_V2_PTCR_TCLKDIR |
 251                         MXC_AUDMUX_V2_PTCR_TCSEL(4),
 252                         MXC_AUDMUX_V2_PDCR_RXDSEL(4)
 253         );
 254         mxc_audmux_v2_configure_port(4,
 255                         MXC_AUDMUX_V2_PTCR_SYN,
 256                         MXC_AUDMUX_V2_PDCR_RXDSEL(0)
 257         );
 258 #endif
 259
 260         imx25_add_imx_uart1(&uart_pdata);
 261         imx25_add_imx_fb(&eukrea_mximxsd_fb_pdata);
 262         imx25_add_imx_ssi(0, &eukrea_mbimxsd_ssi_pdata);
 263
 264         imx25_add_flexcan1(NULL);
 265         imx25_add_sdhci_esdhc_imx(0, &sd1_pdata);
 266
 267         gpio_request(GPIO_LED1, "LED1");
 268         gpio_direction_output(GPIO_LED1, 1);
 269         gpio_free(GPIO_LED1);
 270
 271         gpio_request(GPIO_SWITCH1, "SWITCH1");
 272         gpio_direction_input(GPIO_SWITCH1);
 273         gpio_free(GPIO_SWITCH1);
 274
 275         gpio_request(GPIO_LCDPWR, "LCDPWR");
 276         gpio_direction_output(GPIO_LCDPWR, 1);
 277         gpio_free(GPIO_SWITCH1);
 278
 279         i2c_register_board_info(0, eukrea_mbimxsd_i2c_devices,
 280                                 ARRAY_SIZE(eukrea_mbimxsd_i2c_devices));
 281
 282         platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
 283         gpio_led_register_device(-1, &eukrea_mbimxsd_led_info);
 284         imx_add_gpio_keys(&eukrea_mbimxsd_button_data);
 285 }