arch/arm/mach-mx2/mxt_td60.c

   1 /*
   2  *  Copyright (C) 2000 Deep Blue Solutions Ltd
   3  *  Copyright (C) 2002 Shane Nay (shane@minirl.com)
   4  *  Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include <linux/platform_device.h>
  22 #include <linux/mtd/mtd.h>
  23 #include <linux/mtd/map.h>
  24 #include <linux/mtd/partitions.h>
  25 #include <linux/mtd/physmap.h>
  26 #include <linux/i2c.h>
  27 #include <linux/irq.h>
  28 #include <mach/common.h>
  29 #include <mach/hardware.h>
  30 #include <asm/mach-types.h>
  31 #include <asm/mach/arch.h>
  32 #include <asm/mach/time.h>
  33 #include <asm/mach/map.h>
  34 #include <linux/gpio.h>
  35 #include <mach/imx-uart.h>
  36 #include <mach/iomux.h>
  37 #include <mach/mxc_nand.h>
  38 #include <mach/i2c.h>
  39 #include <linux/i2c/pca953x.h>
  40 #include <mach/imxfb.h>
  41 #include <mach/mmc.h>
  42
  43 #include "devices.h"
  44
  45 static unsigned int mxt_td60_pins[] __initdata = {
  46         /* UART0 */
  47         PE12_PF_UART1_TXD,
  48         PE13_PF_UART1_RXD,
  49         PE14_PF_UART1_CTS,
  50         PE15_PF_UART1_RTS,
  51         /* UART1 */
  52         PE3_PF_UART2_CTS,
  53         PE4_PF_UART2_RTS,
  54         PE6_PF_UART2_TXD,
  55         PE7_PF_UART2_RXD,
  56         /* UART2 */
  57         PE8_PF_UART3_TXD,
  58         PE9_PF_UART3_RXD,
  59         PE10_PF_UART3_CTS,
  60         PE11_PF_UART3_RTS,
  61         /* UART3 */
  62         PB26_AF_UART4_RTS,
  63         PB28_AF_UART4_TXD,
  64         PB29_AF_UART4_CTS,
  65         PB31_AF_UART4_RXD,
  66         /* UART4 */
  67         PB18_AF_UART5_TXD,
  68         PB19_AF_UART5_RXD,
  69         PB20_AF_UART5_CTS,
  70         PB21_AF_UART5_RTS,
  71         /* UART5 */
  72         PB10_AF_UART6_TXD,
  73         PB12_AF_UART6_CTS,
  74         PB11_AF_UART6_RXD,
  75         PB13_AF_UART6_RTS,
  76         /* FEC */
  77         PD0_AIN_FEC_TXD0,
  78         PD1_AIN_FEC_TXD1,
  79         PD2_AIN_FEC_TXD2,
  80         PD3_AIN_FEC_TXD3,
  81         PD4_AOUT_FEC_RX_ER,
  82         PD5_AOUT_FEC_RXD1,
  83         PD6_AOUT_FEC_RXD2,
  84         PD7_AOUT_FEC_RXD3,
  85         PD8_AF_FEC_MDIO,
  86         PD9_AIN_FEC_MDC,
  87         PD10_AOUT_FEC_CRS,
  88         PD11_AOUT_FEC_TX_CLK,
  89         PD12_AOUT_FEC_RXD0,
  90         PD13_AOUT_FEC_RX_DV,
  91         PD14_AOUT_FEC_RX_CLK,
  92         PD15_AOUT_FEC_COL,
  93         PD16_AIN_FEC_TX_ER,
  94         PF23_AIN_FEC_TX_EN,
  95         /* I2C1 */
  96         PD17_PF_I2C_DATA,
  97         PD18_PF_I2C_CLK,
  98         /* I2C2 */
  99         PC5_PF_I2C2_SDA,
 100         PC6_PF_I2C2_SCL,
 101         /* FB */
 102         PA5_PF_LSCLK,
 103         PA6_PF_LD0,
 104         PA7_PF_LD1,
 105         PA8_PF_LD2,
 106         PA9_PF_LD3,
 107         PA10_PF_LD4,
 108         PA11_PF_LD5,
 109         PA12_PF_LD6,
 110         PA13_PF_LD7,
 111         PA14_PF_LD8,
 112         PA15_PF_LD9,
 113         PA16_PF_LD10,
 114         PA17_PF_LD11,
 115         PA18_PF_LD12,
 116         PA19_PF_LD13,
 117         PA20_PF_LD14,
 118         PA21_PF_LD15,
 119         PA22_PF_LD16,
 120         PA23_PF_LD17,
 121         PA25_PF_CLS,
 122         PA27_PF_SPL_SPR,
 123         PA28_PF_HSYNC,
 124         PA29_PF_VSYNC,
 125         PA30_PF_CONTRAST,
 126         PA31_PF_OE_ACD,
 127         /* OWIRE */
 128         PE16_AF_OWIRE,
 129         /* SDHC1*/
 130         PE18_PF_SD1_D0,
 131         PE19_PF_SD1_D1,
 132         PE20_PF_SD1_D2,
 133         PE21_PF_SD1_D3,
 134         PE22_PF_SD1_CMD,
 135         PE23_PF_SD1_CLK,
 136         PF8_AF_ATA_IORDY,
 137         /* SDHC2*/
 138         PB4_PF_SD2_D0,
 139         PB5_PF_SD2_D1,
 140         PB6_PF_SD2_D2,
 141         PB7_PF_SD2_D3,
 142         PB8_PF_SD2_CMD,
 143         PB9_PF_SD2_CLK,
 144 };
 145
 146 static struct mxc_nand_platform_data mxt_td60_nand_board_info = {
 147         .width = 1,
 148         .hw_ecc = 1,
 149 };
 150
 151 static struct imxi2c_platform_data mxt_td60_i2c_data = {
 152         .bitrate = 100000,
 153 };
 154
 155 /* PCA9557 */
 156 static int mxt_td60_pca9557_setup(struct i2c_client *client,
 157                                 unsigned gpio_base, unsigned ngpio,
 158                                 void *context)
 159 {
 160         static int mxt_td60_gpio_value[] = {
 161                 -1, -1, -1, -1, -1, -1, -1, 1
 162         };
 163         int n;
 164
 165         for (n = 0; n < ARRAY_SIZE(mxt_td60_gpio_value); ++n) {
 166                 gpio_request(gpio_base + n, "MXT_TD60 GPIO Exp");
 167                 if (mxt_td60_gpio_value[n] < 0)
 168                         gpio_direction_input(gpio_base + n);
 169                 else
 170                         gpio_direction_output(gpio_base + n,
 171                                                 mxt_td60_gpio_value[n]);
 172                 gpio_export(gpio_base + n, 0);
 173         }
 174
 175         return 0;
 176 }
 177
 178 static struct pca953x_platform_data mxt_td60_pca9557_pdata = {
 179         .gpio_base      = 240, /* place PCA9557 after all MX27 gpio pins */
 180         .invert         = 0, /* Do not invert */
 181         .setup          = mxt_td60_pca9557_setup,
 182 };
 183
 184 static struct i2c_board_info mxt_td60_i2c_devices[] = {
 185         {
 186                 I2C_BOARD_INFO("pca9557", 0x18),
 187                 .platform_data = &mxt_td60_pca9557_pdata,
 188         },
 189 };
 190
 191 static struct imxi2c_platform_data mxt_td60_i2c2_data = {
 192         .bitrate = 100000,
 193 };
 194
 195 static struct i2c_board_info mxt_td60_i2c2_devices[] = {
 196 };
 197
 198 static struct imx_fb_videomode mxt_td60_modes[] = {
 199         {
 200                 .mode = {
 201                         .name           = "Chimei LW700AT9003",
 202                         .refresh        = 60,
 203                         .xres           = 800,
 204                         .yres           = 480,
 205                         .pixclock       = 30303,
 206                         .hsync_len      = 64,
 207                         .left_margin    = 0x67,
 208                         .right_margin   = 0x68,
 209                         .vsync_len      = 16,
 210                         .upper_margin   = 0x0f,
 211                         .lower_margin   = 0x0f,
 212                 },
 213                 .bpp            = 16,
 214                 .pcr            = 0xFA208B83,
 215         },
 216 };
 217
 218 static struct imx_fb_platform_data mxt_td60_fb_data = {
 219         .mode = mxt_td60_modes,
 220         .num_modes = ARRAY_SIZE(mxt_td60_modes),
 221
 222         /*
 223          * - HSYNC active high
 224          * - VSYNC active high
 225          * - clk notenabled while idle
 226          * - clock inverted
 227          * - data not inverted
 228          * - data enable low active
 229          * - enable sharp mode
 230          */
 231         .pwmr           = 0x00A903FF,
 232         .lscr1          = 0x00120300,
 233         .dmacr          = 0x00020010,
 234 };
 235
 236 static int mxt_td60_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
 237                                 void *data)
 238 {
 239         return request_irq(IRQ_GPIOF(8), detect_irq, IRQF_TRIGGER_FALLING,
 240                                 "sdhc1-card-detect", data);
 241 }
 242
 243 static void mxt_td60_sdhc1_exit(struct device *dev, void *data)
 244 {
 245         free_irq(IRQ_GPIOF(8), data);
 246 }
 247
 248 static struct imxmmc_platform_data sdhc1_pdata = {
 249         .init = mxt_td60_sdhc1_init,
 250         .exit = mxt_td60_sdhc1_exit,
 251 };
 252
 253 static struct platform_device *platform_devices[] __initdata = {
 254         &mxc_fec_device,
 255 };
 256
 257 static struct imxuart_platform_data uart_pdata[] = {
 258         {
 259                 .flags = IMXUART_HAVE_RTSCTS,
 260         }, {
 261                 .flags = IMXUART_HAVE_RTSCTS,
 262         }, {
 263                 .flags = IMXUART_HAVE_RTSCTS,
 264         }, {
 265                 .flags = IMXUART_HAVE_RTSCTS,
 266         }, {
 267                 .flags = IMXUART_HAVE_RTSCTS,
 268         }, {
 269                 .flags = IMXUART_HAVE_RTSCTS,
 270         },
 271 };
 272
 273 static void __init mxt_td60_board_init(void)
 274 {
 275         mxc_gpio_setup_multiple_pins(mxt_td60_pins, ARRAY_SIZE(mxt_td60_pins),
 276                         "MXT_TD60");
 277
 278         mxc_register_device(&mxc_uart_device0, &uart_pdata[0]);
 279         mxc_register_device(&mxc_uart_device1, &uart_pdata[1]);
 280         mxc_register_device(&mxc_uart_device2, &uart_pdata[2]);
 281         mxc_register_device(&mxc_uart_device3, &uart_pdata[3]);
 282         mxc_register_device(&mxc_uart_device4, &uart_pdata[4]);
 283         mxc_register_device(&mxc_uart_device5, &uart_pdata[5]);
 284         mxc_register_device(&mxc_nand_device, &mxt_td60_nand_board_info);
 285
 286         i2c_register_board_info(0, mxt_td60_i2c_devices,
 287                                 ARRAY_SIZE(mxt_td60_i2c_devices));
 288
 289         i2c_register_board_info(1, mxt_td60_i2c2_devices,
 290                                 ARRAY_SIZE(mxt_td60_i2c2_devices));
 291
 292         mxc_register_device(&mxc_i2c_device0, &mxt_td60_i2c_data);
 293         mxc_register_device(&mxc_i2c_device1, &mxt_td60_i2c2_data);
 294         mxc_register_device(&mxc_fb_device, &mxt_td60_fb_data);
 295         mxc_register_device(&mxc_sdhc_device0, &sdhc1_pdata);
 296
 297         platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
 298 }
 299
 300 static void __init mxt_td60_timer_init(void)
 301 {
 302         mx27_clocks_init(26000000);
 303 }
 304
 305 static struct sys_timer mxt_td60_timer = {
 306         .init   = mxt_td60_timer_init,
 307 };
 308
 309 MACHINE_START(MXT_TD60, "Maxtrack i-MXT TD60")
 310         /* maintainer: Maxtrack Industrial */
 311         .phys_io        = AIPI_BASE_ADDR,
 312         .io_pg_offst    = ((AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
 313         .boot_params    = PHYS_OFFSET + 0x100,
 314         .map_io         = mx27_map_io,
 315         .init_irq       = mx27_init_irq,
 316         .init_machine   = mxt_td60_board_init,
 317         .timer          = &mxt_td60_timer,
 318 MACHINE_END
 319