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         /* FEC */
  62         PD0_AIN_FEC_TXD0,
  63         PD1_AIN_FEC_TXD1,
  64         PD2_AIN_FEC_TXD2,
  65         PD3_AIN_FEC_TXD3,
  66         PD4_AOUT_FEC_RX_ER,
  67         PD5_AOUT_FEC_RXD1,
  68         PD6_AOUT_FEC_RXD2,
  69         PD7_AOUT_FEC_RXD3,
  70         PD8_AF_FEC_MDIO,
  71         PD9_AIN_FEC_MDC,
  72         PD10_AOUT_FEC_CRS,
  73         PD11_AOUT_FEC_TX_CLK,
  74         PD12_AOUT_FEC_RXD0,
  75         PD13_AOUT_FEC_RX_DV,
  76         PD14_AOUT_FEC_RX_CLK,
  77         PD15_AOUT_FEC_COL,
  78         PD16_AIN_FEC_TX_ER,
  79         PF23_AIN_FEC_TX_EN,
  80         /* I2C1 */
  81         PD17_PF_I2C_DATA,
  82         PD18_PF_I2C_CLK,
  83         /* I2C2 */
  84         PC5_PF_I2C2_SDA,
  85         PC6_PF_I2C2_SCL,
  86         /* FB */
  87         PA5_PF_LSCLK,
  88         PA6_PF_LD0,
  89         PA7_PF_LD1,
  90         PA8_PF_LD2,
  91         PA9_PF_LD3,
  92         PA10_PF_LD4,
  93         PA11_PF_LD5,
  94         PA12_PF_LD6,
  95         PA13_PF_LD7,
  96         PA14_PF_LD8,
  97         PA15_PF_LD9,
  98         PA16_PF_LD10,
  99         PA17_PF_LD11,
 100         PA18_PF_LD12,
 101         PA19_PF_LD13,
 102         PA20_PF_LD14,
 103         PA21_PF_LD15,
 104         PA22_PF_LD16,
 105         PA23_PF_LD17,
 106         PA25_PF_CLS,
 107         PA27_PF_SPL_SPR,
 108         PA28_PF_HSYNC,
 109         PA29_PF_VSYNC,
 110         PA30_PF_CONTRAST,
 111         PA31_PF_OE_ACD,
 112         /* OWIRE */
 113         PE16_AF_OWIRE,
 114         /* SDHC1*/
 115         PE18_PF_SD1_D0,
 116         PE19_PF_SD1_D1,
 117         PE20_PF_SD1_D2,
 118         PE21_PF_SD1_D3,
 119         PE22_PF_SD1_CMD,
 120         PE23_PF_SD1_CLK,
 121         PF8_AF_ATA_IORDY,
 122         /* SDHC2*/
 123         PB4_PF_SD2_D0,
 124         PB5_PF_SD2_D1,
 125         PB6_PF_SD2_D2,
 126         PB7_PF_SD2_D3,
 127         PB8_PF_SD2_CMD,
 128         PB9_PF_SD2_CLK,
 129 };
 130
 131 static struct mxc_nand_platform_data mxt_td60_nand_board_info = {
 132         .width = 1,
 133         .hw_ecc = 1,
 134 };
 135
 136 static struct imxi2c_platform_data mxt_td60_i2c_data = {
 137         .bitrate = 100000,
 138 };
 139
 140 /* PCA9557 */
 141 static int mxt_td60_pca9557_setup(struct i2c_client *client,
 142                                 unsigned gpio_base, unsigned ngpio,
 143                                 void *context)
 144 {
 145         static int mxt_td60_gpio_value[] = {
 146                 -1, -1, -1, -1, -1, -1, -1, 1
 147         };
 148         int n;
 149
 150         for (n = 0; n < ARRAY_SIZE(mxt_td60_gpio_value); ++n) {
 151                 gpio_request(gpio_base + n, "MXT_TD60 GPIO Exp");
 152                 if (mxt_td60_gpio_value[n] < 0)
 153                         gpio_direction_input(gpio_base + n);
 154                 else
 155                         gpio_direction_output(gpio_base + n,
 156                                                 mxt_td60_gpio_value[n]);
 157                 gpio_export(gpio_base + n, 0);
 158         }
 159
 160         return 0;
 161 }
 162
 163 static struct pca953x_platform_data mxt_td60_pca9557_pdata = {
 164         .gpio_base      = 240, /* place PCA9557 after all MX27 gpio pins */
 165         .invert         = 0, /* Do not invert */
 166         .setup          = mxt_td60_pca9557_setup,
 167 };
 168
 169 static struct i2c_board_info mxt_td60_i2c_devices[] = {
 170         {
 171                 I2C_BOARD_INFO("pca9557", 0x18),
 172                 .platform_data = &mxt_td60_pca9557_pdata,
 173         },
 174 };
 175
 176 static struct imxi2c_platform_data mxt_td60_i2c2_data = {
 177         .bitrate = 100000,
 178 };
 179
 180 static struct i2c_board_info mxt_td60_i2c2_devices[] = {
 181 };
 182
 183 static struct imx_fb_videomode mxt_td60_modes[] = {
 184         {
 185                 .mode = {
 186                         .name           = "Chimei LW700AT9003",
 187                         .refresh        = 60,
 188                         .xres           = 800,
 189                         .yres           = 480,
 190                         .pixclock       = 30303,
 191                         .hsync_len      = 64,
 192                         .left_margin    = 0x67,
 193                         .right_margin   = 0x68,
 194                         .vsync_len      = 16,
 195                         .upper_margin   = 0x0f,
 196                         .lower_margin   = 0x0f,
 197                 },
 198                 .bpp            = 16,
 199                 .pcr            = 0xFA208B83,
 200         },
 201 };
 202
 203 static struct imx_fb_platform_data mxt_td60_fb_data = {
 204         .mode = mxt_td60_modes,
 205         .num_modes = ARRAY_SIZE(mxt_td60_modes),
 206
 207         /*
 208          * - HSYNC active high
 209          * - VSYNC active high
 210          * - clk notenabled while idle
 211          * - clock inverted
 212          * - data not inverted
 213          * - data enable low active
 214          * - enable sharp mode
 215          */
 216         .pwmr           = 0x00A903FF,
 217         .lscr1          = 0x00120300,
 218         .dmacr          = 0x00020010,
 219 };
 220
 221 static int mxt_td60_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
 222                                 void *data)
 223 {
 224         return request_irq(IRQ_GPIOF(8), detect_irq, IRQF_TRIGGER_FALLING,
 225                                 "sdhc1-card-detect", data);
 226 }
 227
 228 static void mxt_td60_sdhc1_exit(struct device *dev, void *data)
 229 {
 230         free_irq(IRQ_GPIOF(8), data);
 231 }
 232
 233 static struct imxmmc_platform_data sdhc1_pdata = {
 234         .init = mxt_td60_sdhc1_init,
 235         .exit = mxt_td60_sdhc1_exit,
 236 };
 237
 238 static struct platform_device *platform_devices[] __initdata = {
 239         &mxc_fec_device,
 240 };
 241
 242 static struct imxuart_platform_data uart_pdata[] = {
 243         {
 244                 .flags = IMXUART_HAVE_RTSCTS,
 245         }, {
 246                 .flags = IMXUART_HAVE_RTSCTS,
 247         }, {
 248                 .flags = IMXUART_HAVE_RTSCTS,
 249         },
 250 };
 251
 252 static void __init mxt_td60_board_init(void)
 253 {
 254         mxc_gpio_setup_multiple_pins(mxt_td60_pins, ARRAY_SIZE(mxt_td60_pins),
 255                         "MXT_TD60");
 256
 257         mxc_register_device(&mxc_uart_device0, &uart_pdata[0]);
 258         mxc_register_device(&mxc_uart_device1, &uart_pdata[1]);
 259         mxc_register_device(&mxc_uart_device2, &uart_pdata[2]);
 260         mxc_register_device(&mxc_nand_device, &mxt_td60_nand_board_info);
 261
 262         i2c_register_board_info(0, mxt_td60_i2c_devices,
 263                                 ARRAY_SIZE(mxt_td60_i2c_devices));
 264
 265         i2c_register_board_info(1, mxt_td60_i2c2_devices,
 266                                 ARRAY_SIZE(mxt_td60_i2c2_devices));
 267
 268         mxc_register_device(&mxc_i2c_device0, &mxt_td60_i2c_data);
 269         mxc_register_device(&mxc_i2c_device1, &mxt_td60_i2c2_data);
 270         mxc_register_device(&mxc_fb_device, &mxt_td60_fb_data);
 271         mxc_register_device(&mxc_sdhc_device0, &sdhc1_pdata);
 272
 273         platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
 274 }
 275
 276 static void __init mxt_td60_timer_init(void)
 277 {
 278         mx27_clocks_init(26000000);
 279 }
 280
 281 static struct sys_timer mxt_td60_timer = {
 282         .init   = mxt_td60_timer_init,
 283 };
 284
 285 MACHINE_START(MXT_TD60, "Maxtrack i-MXT TD60")
 286         /* maintainer: Maxtrack Industrial */
 287         .phys_io        = AIPI_BASE_ADDR,
 288         .io_pg_offst    = ((AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
 289         .boot_params    = PHYS_OFFSET + 0x100,
 290         .map_io         = mx27_map_io,
 291         .init_irq       = mx27_init_irq,
 292         .init_machine   = mxt_td60_board_init,
 293         .timer          = &mxt_td60_timer,
 294 MACHINE_END
 295