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
  69 static struct ipu_platform_data mx3_ipu_data = {
  70         .irq_base = MXC_IPU_IRQ_START,
  71 };
  72
  73 static struct mx3fb_platform_data mx3fb_pdata = {
  74         .dma_dev        = &mx3_ipu.dev,
  75         .name           = "CMO_QVGA",
  76         .mode           = fb_modedb,
  77         .num_modes      = ARRAY_SIZE(fb_modedb),
  78 };
  79
  80 static struct pad_desc eukrea_mbimxsd_pads[] = {
  81         /* LCD */
  82         MX35_PAD_LD0__IPU_DISPB_DAT_0,
  83         MX35_PAD_LD1__IPU_DISPB_DAT_1,
  84         MX35_PAD_LD2__IPU_DISPB_DAT_2,
  85         MX35_PAD_LD3__IPU_DISPB_DAT_3,
  86         MX35_PAD_LD4__IPU_DISPB_DAT_4,
  87         MX35_PAD_LD5__IPU_DISPB_DAT_5,
  88         MX35_PAD_LD6__IPU_DISPB_DAT_6,
  89         MX35_PAD_LD7__IPU_DISPB_DAT_7,
  90         MX35_PAD_LD8__IPU_DISPB_DAT_8,
  91         MX35_PAD_LD9__IPU_DISPB_DAT_9,
  92         MX35_PAD_LD10__IPU_DISPB_DAT_10,
  93         MX35_PAD_LD11__IPU_DISPB_DAT_11,
  94         MX35_PAD_LD12__IPU_DISPB_DAT_12,
  95         MX35_PAD_LD13__IPU_DISPB_DAT_13,
  96         MX35_PAD_LD14__IPU_DISPB_DAT_14,
  97         MX35_PAD_LD15__IPU_DISPB_DAT_15,
  98         MX35_PAD_LD16__IPU_DISPB_DAT_16,
  99         MX35_PAD_LD17__IPU_DISPB_DAT_17,
 100         MX35_PAD_D3_HSYNC__IPU_DISPB_D3_HSYNC,
 101         MX35_PAD_D3_FPSHIFT__IPU_DISPB_D3_CLK,
 102         MX35_PAD_D3_DRDY__IPU_DISPB_D3_DRDY,
 103         MX35_PAD_D3_VSYNC__IPU_DISPB_D3_VSYNC,
 104         /* Backlight */
 105         MX35_PAD_CONTRAST__IPU_DISPB_CONTR,
 106         /* LCD_PWR */
 107         MX35_PAD_D3_CLS__GPIO1_4,
 108         /* LED */
 109         MX35_PAD_LD23__GPIO3_29,
 110         /* SWITCH */
 111         MX35_PAD_LD19__GPIO3_25,
 112         /* UART2 */
 113         MX35_PAD_CTS2__UART2_CTS,
 114         MX35_PAD_RTS2__UART2_RTS,
 115         MX35_PAD_TXD2__UART2_TXD_MUX,
 116         MX35_PAD_RXD2__UART2_RXD_MUX,
 117         /* I2S */
 118         MX35_PAD_STXFS4__AUDMUX_AUD4_TXFS,
 119         MX35_PAD_STXD4__AUDMUX_AUD4_TXD,
 120         MX35_PAD_SRXD4__AUDMUX_AUD4_RXD,
 121         MX35_PAD_SCK4__AUDMUX_AUD4_TXC,
 122         /* CAN2 */
 123         MX35_PAD_TX5_RX0__CAN2_TXCAN,
 124         MX35_PAD_TX4_RX1__CAN2_RXCAN,
 125         /* SDCARD */
 126         MX35_PAD_SD1_CMD__ESDHC1_CMD,
 127         MX35_PAD_SD1_CLK__ESDHC1_CLK,
 128         MX35_PAD_SD1_DATA0__ESDHC1_DAT0,
 129         MX35_PAD_SD1_DATA1__ESDHC1_DAT1,
 130         MX35_PAD_SD1_DATA2__ESDHC1_DAT2,
 131         MX35_PAD_SD1_DATA3__ESDHC1_DAT3,
 132 };
 133
 134 #define GPIO_LED1       (2 * 32 + 29)
 135 #define GPIO_SWITCH1    (2 * 32 + 25)
 136 #define GPIO_LCDPWR     (4)
 137
 138 static void eukrea_mbimxsd_lcd_power_set(struct plat_lcd_data *pd,
 139                                    unsigned int power)
 140 {
 141         if (power)
 142                 gpio_direction_output(GPIO_LCDPWR, 1);
 143         else
 144                 gpio_direction_output(GPIO_LCDPWR, 0);
 145 }
 146
 147 static struct plat_lcd_data eukrea_mbimxsd_lcd_power_data = {
 148         .set_power              = eukrea_mbimxsd_lcd_power_set,
 149 };
 150
 151 static struct platform_device eukrea_mbimxsd_lcd_powerdev = {
 152         .name                   = "platform-lcd",
 153         .dev.platform_data      = &eukrea_mbimxsd_lcd_power_data,
 154 };
 155
 156 static struct gpio_led eukrea_mbimxsd_leds[] = {
 157         {
 158                 .name                   = "led1",
 159                 .default_trigger        = "heartbeat",
 160                 .active_low             = 1,
 161                 .gpio                   = GPIO_LED1,
 162         },
 163 };
 164
 165 static struct gpio_led_platform_data eukrea_mbimxsd_led_info = {
 166         .leds           = eukrea_mbimxsd_leds,
 167         .num_leds       = ARRAY_SIZE(eukrea_mbimxsd_leds),
 168 };
 169
 170 static struct platform_device eukrea_mbimxsd_leds_gpio = {
 171         .name   = "leds-gpio",
 172         .id     = -1,
 173         .dev    = {
 174                 .platform_data  = &eukrea_mbimxsd_led_info,
 175         },
 176 };
 177
 178 static struct gpio_keys_button eukrea_mbimxsd_gpio_buttons[] = {
 179         {
 180                 .gpio           = GPIO_SWITCH1,
 181                 .code           = BTN_0,
 182                 .desc           = "BP1",
 183                 .active_low     = 1,
 184                 .wakeup         = 1,
 185         },
 186 };
 187
 188 static struct gpio_keys_platform_data eukrea_mbimxsd_button_data = {
 189         .buttons        = eukrea_mbimxsd_gpio_buttons,
 190         .nbuttons       = ARRAY_SIZE(eukrea_mbimxsd_gpio_buttons),
 191 };
 192
 193 static struct platform_device eukrea_mbimxsd_button_device = {
 194         .name           = "gpio-keys",
 195         .id             = -1,
 196         .num_resources  = 0,
 197         .dev            = {
 198                 .platform_data  = &eukrea_mbimxsd_button_data,
 199         }
 200 };
 201
 202 static struct platform_device *platform_devices[] __initdata = {
 203         &eukrea_mbimxsd_leds_gpio,
 204         &eukrea_mbimxsd_button_device,
 205         &eukrea_mbimxsd_lcd_powerdev,
 206 };
 207
 208 static const struct imxuart_platform_data uart_pdata __initconst = {
 209         .flags = IMXUART_HAVE_RTSCTS,
 210 };
 211
 212 static struct i2c_board_info eukrea_mbimxsd_i2c_devices[] = {
 213         {
 214                 I2C_BOARD_INFO("tlv320aic23", 0x1a),
 215         },
 216 };
 217
 218 static const
 219 struct imx_ssi_platform_data eukrea_mbimxsd_ssi_pdata __initconst = {
 220         .flags = IMX_SSI_SYN | IMX_SSI_NET | IMX_SSI_USE_I2S_SLAVE,
 221 };
 222
 223 /*
 224  * system init for baseboard usage. Will be called by cpuimx35 init.
 225  *
 226  * Add platform devices present on this baseboard and init
 227  * them from CPU side as far as required to use them later on
 228  */
 229 void __init eukrea_mbimxsd35_baseboard_init(void)
 230 {
 231         if (mxc_iomux_v3_setup_multiple_pads(eukrea_mbimxsd_pads,
 232                         ARRAY_SIZE(eukrea_mbimxsd_pads)))
 233                 printk(KERN_ERR "error setting mbimxsd pads !\n");
 234
 235 #if defined(CONFIG_SND_SOC_EUKREA_TLV320)
 236         /* SSI unit master I2S codec connected to SSI_AUD4 */
 237         mxc_audmux_v2_configure_port(0,
 238                         MXC_AUDMUX_V2_PTCR_SYN |
 239                         MXC_AUDMUX_V2_PTCR_TFSDIR |
 240                         MXC_AUDMUX_V2_PTCR_TFSEL(3) |
 241                         MXC_AUDMUX_V2_PTCR_TCLKDIR |
 242                         MXC_AUDMUX_V2_PTCR_TCSEL(3),
 243                         MXC_AUDMUX_V2_PDCR_RXDSEL(3)
 244         );
 245         mxc_audmux_v2_configure_port(3,
 246                         MXC_AUDMUX_V2_PTCR_SYN,
 247                         MXC_AUDMUX_V2_PDCR_RXDSEL(0)
 248         );
 249 #endif
 250
 251         imx35_add_imx_uart1(&uart_pdata);
 252         mxc_register_device(&mx3_ipu, &mx3_ipu_data);
 253         mxc_register_device(&mx3_fb, &mx3fb_pdata);
 254
 255         imx35_add_imx_ssi(0, &eukrea_mbimxsd_ssi_pdata);
 256
 257         imx35_add_flexcan1(NULL);
 258         imx35_add_esdhc0(NULL);
 259
 260         gpio_request(GPIO_LED1, "LED1");
 261         gpio_direction_output(GPIO_LED1, 1);
 262         gpio_free(GPIO_LED1);
 263
 264         gpio_request(GPIO_SWITCH1, "SWITCH1");
 265         gpio_direction_input(GPIO_SWITCH1);
 266         gpio_free(GPIO_SWITCH1);
 267
 268         gpio_request(GPIO_LCDPWR, "LCDPWR");
 269         gpio_direction_output(GPIO_LCDPWR, 1);
 270         gpio_free(GPIO_SWITCH1);
 271
 272         i2c_register_board_info(0, eukrea_mbimxsd_i2c_devices,
 273                                 ARRAY_SIZE(eukrea_mbimxsd_i2c_devices));
 274
 275         platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
 276 }