arch/arm/mach-omap2/board-2430sdp.c

   1 /*
   2  * linux/arch/arm/mach-omap2/board-2430sdp.c
   3  *
   4  * Copyright (C) 2006 Texas Instruments
   5  *
   6  * Modified from mach-omap2/board-generic.c
   7  *
   8  * Initial Code : Based on a patch from Komal Shah and Richard Woodruff
   9  * Updated the Code for 2430 SDP : Syed Mohammed Khasim
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License version 2 as
  13  * published by the Free Software Foundation.
  14  */
  15
  16 #include <linux/kernel.h>
  17 #include <linux/init.h>
  18 #include <linux/platform_device.h>
  19 #include <linux/mtd/mtd.h>
  20 #include <linux/mtd/partitions.h>
  21 #include <linux/mtd/physmap.h>
  22 #include <linux/mmc/host.h>
  23 #include <linux/delay.h>
  24 #include <linux/i2c/twl.h>
  25 #include <linux/regulator/machine.h>
  26 #include <linux/err.h>
  27 #include <linux/clk.h>
  28 #include <linux/io.h>
  29 #include <linux/gpio.h>
  30
  31 #include <mach/hardware.h>
  32 #include <asm/mach-types.h>
  33 #include <asm/mach/arch.h>
  34 #include <asm/mach/map.h>
  35
  36 #include <plat/board.h>
  37 #include "common.h"
  38 #include <plat/gpmc.h>
  39 #include <plat/usb.h>
  40 #include <plat/gpmc-smc91x.h>
  41
  42 #include <video/omapdss.h>
  43 #include <video/omap-panel-generic-dpi.h>
  44
  45 #include "mux.h"
  46 #include "hsmmc.h"
  47 #include "common-board-devices.h"
  48
  49 #define SDP2430_CS0_BASE        0x04000000
  50 #define SECONDARY_LCD_GPIO              147
  51
  52 static struct mtd_partition sdp2430_partitions[] = {
  53         /* bootloader (U-Boot, etc) in first sector */
  54         {
  55                 .name           = "bootloader",
  56                 .offset         = 0,
  57                 .size           = SZ_256K,
  58                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
  59          },
  60         /* bootloader params in the next sector */
  61         {
  62                 .name           = "params",
  63                 .offset         = MTDPART_OFS_APPEND,
  64                 .size           = SZ_128K,
  65                 .mask_flags     = 0,
  66          },
  67         /* kernel */
  68         {
  69                 .name           = "kernel",
  70                 .offset         = MTDPART_OFS_APPEND,
  71                 .size           = SZ_2M,
  72                 .mask_flags     = 0
  73         },
  74         /* file system */
  75         {
  76                 .name           = "filesystem",
  77                 .offset         = MTDPART_OFS_APPEND,
  78                 .size           = MTDPART_SIZ_FULL,
  79                 .mask_flags     = 0
  80         }
  81 };
  82
  83 static struct physmap_flash_data sdp2430_flash_data = {
  84         .width          = 2,
  85         .parts          = sdp2430_partitions,
  86         .nr_parts       = ARRAY_SIZE(sdp2430_partitions),
  87 };
  88
  89 static struct resource sdp2430_flash_resource = {
  90         .start          = SDP2430_CS0_BASE,
  91         .end            = SDP2430_CS0_BASE + SZ_64M - 1,
  92         .flags          = IORESOURCE_MEM,
  93 };
  94
  95 static struct platform_device sdp2430_flash_device = {
  96         .name           = "physmap-flash",
  97         .id             = 0,
  98         .dev = {
  99                 .platform_data  = &sdp2430_flash_data,
 100         },
 101         .num_resources  = 1,
 102         .resource       = &sdp2430_flash_resource,
 103 };
 104
 105 static struct platform_device *sdp2430_devices[] __initdata = {
 106         &sdp2430_flash_device,
 107 };
 108
 109 /* LCD */
 110 #define SDP2430_LCD_PANEL_BACKLIGHT_GPIO        91
 111 #define SDP2430_LCD_PANEL_ENABLE_GPIO           154
 112
 113 static int sdp2430_panel_enable_lcd(struct omap_dss_device *dssdev)
 114 {
 115         gpio_direction_output(SDP2430_LCD_PANEL_ENABLE_GPIO, 1);
 116         gpio_direction_output(SDP2430_LCD_PANEL_BACKLIGHT_GPIO, 1);
 117
 118         return 0;
 119 }
 120
 121 static void sdp2430_panel_disable_lcd(struct omap_dss_device *dssdev)
 122 {
 123         gpio_direction_output(SDP2430_LCD_PANEL_ENABLE_GPIO, 0);
 124         gpio_direction_output(SDP2430_LCD_PANEL_BACKLIGHT_GPIO, 0);
 125 }
 126
 127 static struct panel_generic_dpi_data sdp2430_panel_data = {
 128         .name                   = "nec_nl2432dr22-11b",
 129         .platform_enable        = sdp2430_panel_enable_lcd,
 130         .platform_disable       = sdp2430_panel_disable_lcd,
 131 };
 132
 133 static struct omap_dss_device sdp2430_lcd_device = {
 134         .name                   = "lcd",
 135         .driver_name            = "generic_dpi_panel",
 136         .type                   = OMAP_DISPLAY_TYPE_DPI,
 137         .phy.dpi.data_lines     = 16,
 138         .data                   = &sdp2430_panel_data,
 139 };
 140
 141 static struct omap_dss_device *sdp2430_dss_devices[] = {
 142         &sdp2430_lcd_device,
 143 };
 144
 145 static struct omap_dss_board_info sdp2430_dss_data = {
 146         .num_devices    = ARRAY_SIZE(sdp2430_dss_devices),
 147         .devices        = sdp2430_dss_devices,
 148         .default_device = &sdp2430_lcd_device,
 149 };
 150
 151 static void __init sdp2430_display_init(void)
 152 {
 153         int r;
 154
 155         static struct gpio gpios[] __initdata = {
 156                 { SDP2430_LCD_PANEL_ENABLE_GPIO, GPIOF_OUT_INIT_LOW,
 157                         "LCD reset" },
 158                 { SDP2430_LCD_PANEL_BACKLIGHT_GPIO, GPIOF_OUT_INIT_LOW,
 159                         "LCD Backlight" },
 160         };
 161
 162         r = gpio_request_array(gpios, ARRAY_SIZE(gpios));
 163         if (r) {
 164                 pr_err("Cannot request LCD GPIOs, error %d\n", r);
 165                 return;
 166         }
 167
 168         omap_display_init(&sdp2430_dss_data);
 169 }
 170
 171 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91x_MODULE)
 172
 173 static struct omap_smc91x_platform_data board_smc91x_data = {
 174         .cs             = 5,
 175         .gpio_irq       = 149,
 176         .flags          = GPMC_MUX_ADD_DATA | GPMC_TIMINGS_SMC91C96 |
 177                                 IORESOURCE_IRQ_LOWLEVEL,
 178
 179 };
 180
 181 static void __init board_smc91x_init(void)
 182 {
 183         omap_mux_init_gpio(149, OMAP_PIN_INPUT);
 184         gpmc_smc91x_init(&board_smc91x_data);
 185 }
 186
 187 #else
 188
 189 static inline void board_smc91x_init(void)
 190 {
 191 }
 192
 193 #endif
 194
 195 static struct regulator_consumer_supply sdp2430_vmmc1_supplies[] = {
 196         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
 197 };
 198
 199 /* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
 200 static struct regulator_init_data sdp2430_vmmc1 = {
 201         .constraints = {
 202                 .min_uV                 = 1850000,
 203                 .max_uV                 = 3150000,
 204                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 205                                         | REGULATOR_MODE_STANDBY,
 206                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 207                                         | REGULATOR_CHANGE_MODE
 208                                         | REGULATOR_CHANGE_STATUS,
 209         },
 210         .num_consumer_supplies  = ARRAY_SIZE(sdp2430_vmmc1_supplies),
 211         .consumer_supplies      = &sdp2430_vmmc1_supplies[0],
 212 };
 213
 214 static struct twl4030_gpio_platform_data sdp2430_gpio_data = {
 215         .gpio_base      = OMAP_MAX_GPIO_LINES,
 216         .irq_base       = TWL4030_GPIO_IRQ_BASE,
 217         .irq_end        = TWL4030_GPIO_IRQ_END,
 218 };
 219
 220 static struct twl4030_platform_data sdp2430_twldata = {
 221         /* platform_data for children goes here */
 222         .gpio           = &sdp2430_gpio_data,
 223         .vmmc1          = &sdp2430_vmmc1,
 224 };
 225
 226 static struct i2c_board_info __initdata sdp2430_i2c1_boardinfo[] = {
 227         {
 228                 I2C_BOARD_INFO("isp1301_omap", 0x2D),
 229                 .flags = I2C_CLIENT_WAKE,
 230         },
 231 };
 232
 233 static int __init omap2430_i2c_init(void)
 234 {
 235         sdp2430_i2c1_boardinfo[0].irq = gpio_to_irq(78);
 236         omap_register_i2c_bus(1, 100, sdp2430_i2c1_boardinfo,
 237                         ARRAY_SIZE(sdp2430_i2c1_boardinfo));
 238         omap_pmic_init(2, 100, "twl4030", INT_24XX_SYS_NIRQ,
 239                         &sdp2430_twldata);
 240         return 0;
 241 }
 242
 243 static struct omap2_hsmmc_info mmc[] __initdata = {
 244         {
 245                 .mmc            = 1,
 246                 .caps           = MMC_CAP_4_BIT_DATA,
 247                 .gpio_cd        = -EINVAL,
 248                 .gpio_wp        = -EINVAL,
 249                 .ext_clock      = 1,
 250         },
 251         {}      /* Terminator */
 252 };
 253
 254 #ifdef CONFIG_OMAP_MUX
 255 static struct omap_board_mux board_mux[] __initdata = {
 256         { .reg_offset = OMAP_MUX_TERMINATOR },
 257 };
 258 #endif
 259
 260 static void __init omap_2430sdp_init(void)
 261 {
 262         omap2430_mux_init(board_mux, OMAP_PACKAGE_ZAC);
 263
 264         omap2430_i2c_init();
 265
 266         platform_add_devices(sdp2430_devices, ARRAY_SIZE(sdp2430_devices));
 267         omap_serial_init();
 268         omap_sdrc_init(NULL, NULL);
 269         omap_hsmmc_init(mmc);
 270
 271         omap_mux_init_signal("usb0hs_stp", OMAP_PULL_ENA | OMAP_PULL_UP);
 272         usb_musb_init(NULL);
 273
 274         board_smc91x_init();
 275
 276         /* Turn off secondary LCD backlight */
 277         gpio_request_one(SECONDARY_LCD_GPIO, GPIOF_OUT_INIT_LOW,
 278                          "Secondary LCD backlight");
 279
 280         sdp2430_display_init();
 281 }
 282
 283 MACHINE_START(OMAP_2430SDP, "OMAP2430 sdp2430 board")
 284         /* Maintainer: Syed Khasim - Texas Instruments Inc */
 285         .atag_offset    = 0x100,
 286         .reserve        = omap_reserve,
 287         .map_io         = omap243x_map_io,
 288         .init_early     = omap2430_init_early,
 289         .init_irq       = omap2_init_irq,
 290         .handle_irq     = omap2_intc_handle_irq,
 291         .init_machine   = omap_2430sdp_init,
 292         .init_late      = omap2430_init_late,
 293         .timer          = &omap2_timer,
 294         .restart        = omap_prcm_restart,
 295 MACHINE_END