arch/arm/mach-imx/mach-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
  17 #include <linux/platform_device.h>
  18 #include <linux/mtd/mtd.h>
  19 #include <linux/mtd/map.h>
  20 #include <linux/mtd/partitions.h>
  21 #include <linux/mtd/physmap.h>
  22 #include <linux/i2c.h>
  23 #include <linux/irq.h>
  24 #include <mach/common.h>
  25 #include <mach/hardware.h>
  26 #include <asm/mach-types.h>
  27 #include <asm/mach/arch.h>
  28 #include <asm/mach/time.h>
  29 #include <asm/mach/map.h>
  30 #include <linux/gpio.h>
  31 #include <mach/iomux-mx27.h>
  32 #include <mach/mxc_nand.h>
  33 #include <linux/i2c/pca953x.h>
  34 #include <mach/imxfb.h>
  35 #include <mach/mmc.h>
  36
  37 #include "devices-imx27.h"
  38 #include "devices.h"
  39
  40 static const int mxt_td60_pins[] __initconst = {
  41         /* UART0 */
  42         PE12_PF_UART1_TXD,
  43         PE13_PF_UART1_RXD,
  44         PE14_PF_UART1_CTS,
  45         PE15_PF_UART1_RTS,
  46         /* UART1 */
  47         PE3_PF_UART2_CTS,
  48         PE4_PF_UART2_RTS,
  49         PE6_PF_UART2_TXD,
  50         PE7_PF_UART2_RXD,
  51         /* UART2 */
  52         PE8_PF_UART3_TXD,
  53         PE9_PF_UART3_RXD,
  54         PE10_PF_UART3_CTS,
  55         PE11_PF_UART3_RTS,
  56         /* FEC */
  57         PD0_AIN_FEC_TXD0,
  58         PD1_AIN_FEC_TXD1,
  59         PD2_AIN_FEC_TXD2,
  60         PD3_AIN_FEC_TXD3,
  61         PD4_AOUT_FEC_RX_ER,
  62         PD5_AOUT_FEC_RXD1,
  63         PD6_AOUT_FEC_RXD2,
  64         PD7_AOUT_FEC_RXD3,
  65         PD8_AF_FEC_MDIO,
  66         PD9_AIN_FEC_MDC,
  67         PD10_AOUT_FEC_CRS,
  68         PD11_AOUT_FEC_TX_CLK,
  69         PD12_AOUT_FEC_RXD0,
  70         PD13_AOUT_FEC_RX_DV,
  71         PD14_AOUT_FEC_RX_CLK,
  72         PD15_AOUT_FEC_COL,
  73         PD16_AIN_FEC_TX_ER,
  74         PF23_AIN_FEC_TX_EN,
  75         /* I2C1 */
  76         PD17_PF_I2C_DATA,
  77         PD18_PF_I2C_CLK,
  78         /* I2C2 */
  79         PC5_PF_I2C2_SDA,
  80         PC6_PF_I2C2_SCL,
  81         /* FB */
  82         PA5_PF_LSCLK,
  83         PA6_PF_LD0,
  84         PA7_PF_LD1,
  85         PA8_PF_LD2,
  86         PA9_PF_LD3,
  87         PA10_PF_LD4,
  88         PA11_PF_LD5,
  89         PA12_PF_LD6,
  90         PA13_PF_LD7,
  91         PA14_PF_LD8,
  92         PA15_PF_LD9,
  93         PA16_PF_LD10,
  94         PA17_PF_LD11,
  95         PA18_PF_LD12,
  96         PA19_PF_LD13,
  97         PA20_PF_LD14,
  98         PA21_PF_LD15,
  99         PA22_PF_LD16,
 100         PA23_PF_LD17,
 101         PA25_PF_CLS,
 102         PA27_PF_SPL_SPR,
 103         PA28_PF_HSYNC,
 104         PA29_PF_VSYNC,
 105         PA30_PF_CONTRAST,
 106         PA31_PF_OE_ACD,
 107         /* OWIRE */
 108         PE16_AF_OWIRE,
 109         /* SDHC1*/
 110         PE18_PF_SD1_D0,
 111         PE19_PF_SD1_D1,
 112         PE20_PF_SD1_D2,
 113         PE21_PF_SD1_D3,
 114         PE22_PF_SD1_CMD,
 115         PE23_PF_SD1_CLK,
 116         PF8_AF_ATA_IORDY,
 117         /* SDHC2*/
 118         PB4_PF_SD2_D0,
 119         PB5_PF_SD2_D1,
 120         PB6_PF_SD2_D2,
 121         PB7_PF_SD2_D3,
 122         PB8_PF_SD2_CMD,
 123         PB9_PF_SD2_CLK,
 124 };
 125
 126 static const struct mxc_nand_platform_data
 127 mxt_td60_nand_board_info __initconst = {
 128         .width = 1,
 129         .hw_ecc = 1,
 130 };
 131
 132 static const struct imxi2c_platform_data mxt_td60_i2c0_data __initconst = {
 133         .bitrate = 100000,
 134 };
 135
 136 /* PCA9557 */
 137 static int mxt_td60_pca9557_setup(struct i2c_client *client,
 138                                 unsigned gpio_base, unsigned ngpio,
 139                                 void *context)
 140 {
 141         static int mxt_td60_gpio_value[] = {
 142                 -1, -1, -1, -1, -1, -1, -1, 1
 143         };
 144         int n;
 145
 146         for (n = 0; n < ARRAY_SIZE(mxt_td60_gpio_value); ++n) {
 147                 gpio_request(gpio_base + n, "MXT_TD60 GPIO Exp");
 148                 if (mxt_td60_gpio_value[n] < 0)
 149                         gpio_direction_input(gpio_base + n);
 150                 else
 151                         gpio_direction_output(gpio_base + n,
 152                                                 mxt_td60_gpio_value[n]);
 153                 gpio_export(gpio_base + n, 0);
 154         }
 155
 156         return 0;
 157 }
 158
 159 static struct pca953x_platform_data mxt_td60_pca9557_pdata = {
 160         .gpio_base      = 240, /* place PCA9557 after all MX27 gpio pins */
 161         .invert         = 0, /* Do not invert */
 162         .setup          = mxt_td60_pca9557_setup,
 163 };
 164
 165 static struct i2c_board_info mxt_td60_i2c_devices[] = {
 166         {
 167                 I2C_BOARD_INFO("pca9557", 0x18),
 168                 .platform_data = &mxt_td60_pca9557_pdata,
 169         },
 170 };
 171
 172 static const struct imxi2c_platform_data mxt_td60_i2c1_data __initconst = {
 173         .bitrate = 100000,
 174 };
 175
 176 static struct i2c_board_info mxt_td60_i2c2_devices[] = {
 177 };
 178
 179 static struct imx_fb_videomode mxt_td60_modes[] = {
 180         {
 181                 .mode = {
 182                         .name           = "Chimei LW700AT9003",
 183                         .refresh        = 60,
 184                         .xres           = 800,
 185                         .yres           = 480,
 186                         .pixclock       = 30303,
 187                         .hsync_len      = 64,
 188                         .left_margin    = 0x67,
 189                         .right_margin   = 0x68,
 190                         .vsync_len      = 16,
 191                         .upper_margin   = 0x0f,
 192                         .lower_margin   = 0x0f,
 193                 },
 194                 .bpp            = 16,
 195                 .pcr            = 0xFA208B83,
 196         },
 197 };
 198
 199 static struct imx_fb_platform_data mxt_td60_fb_data = {
 200         .mode = mxt_td60_modes,
 201         .num_modes = ARRAY_SIZE(mxt_td60_modes),
 202
 203         /*
 204          * - HSYNC active high
 205          * - VSYNC active high
 206          * - clk notenabled while idle
 207          * - clock inverted
 208          * - data not inverted
 209          * - data enable low active
 210          * - enable sharp mode
 211          */
 212         .pwmr           = 0x00A903FF,
 213         .lscr1          = 0x00120300,
 214         .dmacr          = 0x00020010,
 215 };
 216
 217 static int mxt_td60_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
 218                                 void *data)
 219 {
 220         return request_irq(IRQ_GPIOF(8), detect_irq, IRQF_TRIGGER_FALLING,
 221                                 "sdhc1-card-detect", data);
 222 }
 223
 224 static void mxt_td60_sdhc1_exit(struct device *dev, void *data)
 225 {
 226         free_irq(IRQ_GPIOF(8), data);
 227 }
 228
 229 static struct imxmmc_platform_data sdhc1_pdata = {
 230         .init = mxt_td60_sdhc1_init,
 231         .exit = mxt_td60_sdhc1_exit,
 232 };
 233
 234 static const struct imxuart_platform_data uart_pdata __initconst = {
 235         .flags = IMXUART_HAVE_RTSCTS,
 236 };
 237
 238 static void __init mxt_td60_board_init(void)
 239 {
 240         mxc_gpio_setup_multiple_pins(mxt_td60_pins, ARRAY_SIZE(mxt_td60_pins),
 241                         "MXT_TD60");
 242
 243         imx27_add_imx_uart0(&uart_pdata);
 244         imx27_add_imx_uart1(&uart_pdata);
 245         imx27_add_imx_uart2(&uart_pdata);
 246         imx27_add_mxc_nand(&mxt_td60_nand_board_info);
 247
 248         i2c_register_board_info(0, mxt_td60_i2c_devices,
 249                                 ARRAY_SIZE(mxt_td60_i2c_devices));
 250
 251         i2c_register_board_info(1, mxt_td60_i2c2_devices,
 252                                 ARRAY_SIZE(mxt_td60_i2c2_devices));
 253
 254         imx27_add_imx_i2c(0, &mxt_td60_i2c0_data);
 255         imx27_add_imx_i2c(1, &mxt_td60_i2c1_data);
 256         mxc_register_device(&mxc_fb_device, &mxt_td60_fb_data);
 257         mxc_register_device(&mxc_sdhc_device0, &sdhc1_pdata);
 258         imx27_add_fec(NULL);
 259 }
 260
 261 static void __init mxt_td60_timer_init(void)
 262 {
 263         mx27_clocks_init(26000000);
 264 }
 265
 266 static struct sys_timer mxt_td60_timer = {
 267         .init   = mxt_td60_timer_init,
 268 };
 269
 270 MACHINE_START(MXT_TD60, "Maxtrack i-MXT TD60")
 271         /* maintainer: Maxtrack Industrial */
 272         .boot_params    = MX27_PHYS_OFFSET + 0x100,
 273         .map_io         = mx27_map_io,
 274         .init_irq       = mx27_init_irq,
 275         .init_machine   = mxt_td60_board_init,
 276         .timer          = &mxt_td60_timer,
 277 MACHINE_END
 278