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 #include <linux/usb/phy.h>
  31
  32 #include <asm/mach-types.h>
  33 #include <asm/mach/arch.h>
  34 #include <asm/mach/map.h>
  35
  36 #include "common.h"
  37 #include "gpmc.h"
  38 #include "gpmc-smc91x.h"
  39
  40 #include <video/omapdss.h>
  41 #include <video/omap-panel-data.h>
  42
  43 #include "mux.h"
  44 #include "hsmmc.h"
  45 #include "common-board-devices.h"
  46
  47 #define SDP2430_CS0_BASE        0x04000000
  48 #define SECONDARY_LCD_GPIO              147
  49
  50 static struct mtd_partition sdp2430_partitions[] = {
  51         /* bootloader (U-Boot, etc) in first sector */
  52         {
  53                 .name           = "bootloader",
  54                 .offset         = 0,
  55                 .size           = SZ_256K,
  56                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
  57          },
  58         /* bootloader params in the next sector */
  59         {
  60                 .name           = "params",
  61                 .offset         = MTDPART_OFS_APPEND,
  62                 .size           = SZ_128K,
  63                 .mask_flags     = 0,
  64          },
  65         /* kernel */
  66         {
  67                 .name           = "kernel",
  68                 .offset         = MTDPART_OFS_APPEND,
  69                 .size           = SZ_2M,
  70                 .mask_flags     = 0
  71         },
  72         /* file system */
  73         {
  74                 .name           = "filesystem",
  75                 .offset         = MTDPART_OFS_APPEND,
  76                 .size           = MTDPART_SIZ_FULL,
  77                 .mask_flags     = 0
  78         }
  79 };
  80
  81 static struct physmap_flash_data sdp2430_flash_data = {
  82         .width          = 2,
  83         .parts          = sdp2430_partitions,
  84         .nr_parts       = ARRAY_SIZE(sdp2430_partitions),
  85 };
  86
  87 static struct resource sdp2430_flash_resource = {
  88         .start          = SDP2430_CS0_BASE,
  89         .end            = SDP2430_CS0_BASE + SZ_64M - 1,
  90         .flags          = IORESOURCE_MEM,
  91 };
  92
  93 static struct platform_device sdp2430_flash_device = {
  94         .name           = "physmap-flash",
  95         .id             = 0,
  96         .dev = {
  97                 .platform_data  = &sdp2430_flash_data,
  98         },
  99         .num_resources  = 1,
 100         .resource       = &sdp2430_flash_resource,
 101 };
 102
 103 static struct platform_device *sdp2430_devices[] __initdata = {
 104         &sdp2430_flash_device,
 105 };
 106
 107 /* LCD */
 108 #define SDP2430_LCD_PANEL_BACKLIGHT_GPIO        91
 109 #define SDP2430_LCD_PANEL_ENABLE_GPIO           154
 110
 111 static struct panel_generic_dpi_data sdp2430_panel_data = {
 112         .name                   = "nec_nl2432dr22-11b",
 113         .num_gpios              = 2,
 114         .gpios                  = {
 115                 SDP2430_LCD_PANEL_ENABLE_GPIO,
 116                 SDP2430_LCD_PANEL_BACKLIGHT_GPIO,
 117         },
 118 };
 119
 120 static struct omap_dss_device sdp2430_lcd_device = {
 121         .name                   = "lcd",
 122         .driver_name            = "generic_dpi_panel",
 123         .type                   = OMAP_DISPLAY_TYPE_DPI,
 124         .phy.dpi.data_lines     = 16,
 125         .data                   = &sdp2430_panel_data,
 126 };
 127
 128 static struct omap_dss_device *sdp2430_dss_devices[] = {
 129         &sdp2430_lcd_device,
 130 };
 131
 132 static struct omap_dss_board_info sdp2430_dss_data = {
 133         .num_devices    = ARRAY_SIZE(sdp2430_dss_devices),
 134         .devices        = sdp2430_dss_devices,
 135         .default_device = &sdp2430_lcd_device,
 136 };
 137
 138 #if IS_ENABLED(CONFIG_SMC91X)
 139
 140 static struct omap_smc91x_platform_data board_smc91x_data = {
 141         .cs             = 5,
 142         .gpio_irq       = 149,
 143         .flags          = GPMC_MUX_ADD_DATA | GPMC_TIMINGS_SMC91C96 |
 144                                 IORESOURCE_IRQ_LOWLEVEL,
 145
 146 };
 147
 148 static void __init board_smc91x_init(void)
 149 {
 150         omap_mux_init_gpio(149, OMAP_PIN_INPUT);
 151         gpmc_smc91x_init(&board_smc91x_data);
 152 }
 153
 154 #else
 155
 156 static inline void board_smc91x_init(void)
 157 {
 158 }
 159
 160 #endif
 161
 162 static struct regulator_consumer_supply sdp2430_vmmc1_supplies[] = {
 163         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
 164 };
 165
 166 /* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
 167 static struct regulator_init_data sdp2430_vmmc1 = {
 168         .constraints = {
 169                 .min_uV                 = 1850000,
 170                 .max_uV                 = 3150000,
 171                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 172                                         | REGULATOR_MODE_STANDBY,
 173                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 174                                         | REGULATOR_CHANGE_MODE
 175                                         | REGULATOR_CHANGE_STATUS,
 176         },
 177         .num_consumer_supplies  = ARRAY_SIZE(sdp2430_vmmc1_supplies),
 178         .consumer_supplies      = &sdp2430_vmmc1_supplies[0],
 179 };
 180
 181 static struct twl4030_gpio_platform_data sdp2430_gpio_data = {
 182 };
 183
 184 static struct twl4030_platform_data sdp2430_twldata = {
 185         /* platform_data for children goes here */
 186         .gpio           = &sdp2430_gpio_data,
 187         .vmmc1          = &sdp2430_vmmc1,
 188 };
 189
 190 static struct i2c_board_info __initdata sdp2430_i2c1_boardinfo[] = {
 191         {
 192                 I2C_BOARD_INFO("isp1301_omap", 0x2D),
 193                 .flags = I2C_CLIENT_WAKE,
 194         },
 195 };
 196
 197 static int __init omap2430_i2c_init(void)
 198 {
 199         sdp2430_i2c1_boardinfo[0].irq = gpio_to_irq(78);
 200         omap_register_i2c_bus(1, 100, sdp2430_i2c1_boardinfo,
 201                         ARRAY_SIZE(sdp2430_i2c1_boardinfo));
 202         omap_pmic_init(2, 100, "twl4030", 7 + OMAP_INTC_START,
 203                         &sdp2430_twldata);
 204         return 0;
 205 }
 206
 207 static struct omap2_hsmmc_info mmc[] __initdata = {
 208         {
 209                 .mmc            = 1,
 210                 .caps           = MMC_CAP_4_BIT_DATA,
 211                 .gpio_cd        = -EINVAL,
 212                 .gpio_wp        = -EINVAL,
 213                 .ext_clock      = 1,
 214         },
 215         {}      /* Terminator */
 216 };
 217
 218 #ifdef CONFIG_OMAP_MUX
 219 static struct omap_board_mux board_mux[] __initdata = {
 220         { .reg_offset = OMAP_MUX_TERMINATOR },
 221 };
 222 #endif
 223
 224 static void __init omap_2430sdp_init(void)
 225 {
 226         omap2430_mux_init(board_mux, OMAP_PACKAGE_ZAC);
 227
 228         omap2430_i2c_init();
 229
 230         platform_add_devices(sdp2430_devices, ARRAY_SIZE(sdp2430_devices));
 231         omap_serial_init();
 232         omap_sdrc_init(NULL, NULL);
 233         omap_hsmmc_init(mmc);
 234
 235         omap_mux_init_signal("usb0hs_stp", OMAP_PULL_ENA | OMAP_PULL_UP);
 236         usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb");
 237         usb_musb_init(NULL);
 238
 239         board_smc91x_init();
 240
 241         /* Turn off secondary LCD backlight */
 242         gpio_request_one(SECONDARY_LCD_GPIO, GPIOF_OUT_INIT_LOW,
 243                          "Secondary LCD backlight");
 244
 245         omap_display_init(&sdp2430_dss_data);
 246 }
 247
 248 MACHINE_START(OMAP_2430SDP, "OMAP2430 sdp2430 board")
 249         /* Maintainer: Syed Khasim - Texas Instruments Inc */
 250         .atag_offset    = 0x100,
 251         .reserve        = omap_reserve,
 252         .map_io         = omap243x_map_io,
 253         .init_early     = omap2430_init_early,
 254         .init_irq       = omap2_init_irq,
 255         .handle_irq     = omap2_intc_handle_irq,
 256         .init_machine   = omap_2430sdp_init,
 257         .init_late      = omap2430_init_late,
 258         .init_time      = omap2_sync32k_timer_init,
 259         .restart        = omap2xxx_restart,
 260 MACHINE_END