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-generic-dpi.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 int sdp2430_panel_enable_lcd(struct omap_dss_device *dssdev)
 112 {
 113         gpio_direction_output(SDP2430_LCD_PANEL_ENABLE_GPIO, 1);
 114         gpio_direction_output(SDP2430_LCD_PANEL_BACKLIGHT_GPIO, 1);
 115
 116         return 0;
 117 }
 118
 119 static void sdp2430_panel_disable_lcd(struct omap_dss_device *dssdev)
 120 {
 121         gpio_direction_output(SDP2430_LCD_PANEL_ENABLE_GPIO, 0);
 122         gpio_direction_output(SDP2430_LCD_PANEL_BACKLIGHT_GPIO, 0);
 123 }
 124
 125 static struct panel_generic_dpi_data sdp2430_panel_data = {
 126         .name                   = "nec_nl2432dr22-11b",
 127         .platform_enable        = sdp2430_panel_enable_lcd,
 128         .platform_disable       = sdp2430_panel_disable_lcd,
 129 };
 130
 131 static struct omap_dss_device sdp2430_lcd_device = {
 132         .name                   = "lcd",
 133         .driver_name            = "generic_dpi_panel",
 134         .type                   = OMAP_DISPLAY_TYPE_DPI,
 135         .phy.dpi.data_lines     = 16,
 136         .data                   = &sdp2430_panel_data,
 137 };
 138
 139 static struct omap_dss_device *sdp2430_dss_devices[] = {
 140         &sdp2430_lcd_device,
 141 };
 142
 143 static struct omap_dss_board_info sdp2430_dss_data = {
 144         .num_devices    = ARRAY_SIZE(sdp2430_dss_devices),
 145         .devices        = sdp2430_dss_devices,
 146         .default_device = &sdp2430_lcd_device,
 147 };
 148
 149 static void __init sdp2430_display_init(void)
 150 {
 151         int r;
 152
 153         static struct gpio gpios[] __initdata = {
 154                 { SDP2430_LCD_PANEL_ENABLE_GPIO, GPIOF_OUT_INIT_LOW,
 155                         "LCD reset" },
 156                 { SDP2430_LCD_PANEL_BACKLIGHT_GPIO, GPIOF_OUT_INIT_LOW,
 157                         "LCD Backlight" },
 158         };
 159
 160         r = gpio_request_array(gpios, ARRAY_SIZE(gpios));
 161         if (r) {
 162                 pr_err("Cannot request LCD GPIOs, error %d\n", r);
 163                 return;
 164         }
 165
 166         omap_display_init(&sdp2430_dss_data);
 167 }
 168
 169 #if IS_ENABLED(CONFIG_SMC91X)
 170
 171 static struct omap_smc91x_platform_data board_smc91x_data = {
 172         .cs             = 5,
 173         .gpio_irq       = 149,
 174         .flags          = GPMC_MUX_ADD_DATA | GPMC_TIMINGS_SMC91C96 |
 175                                 IORESOURCE_IRQ_LOWLEVEL,
 176
 177 };
 178
 179 static void __init board_smc91x_init(void)
 180 {
 181         omap_mux_init_gpio(149, OMAP_PIN_INPUT);
 182         gpmc_smc91x_init(&board_smc91x_data);
 183 }
 184
 185 #else
 186
 187 static inline void board_smc91x_init(void)
 188 {
 189 }
 190
 191 #endif
 192
 193 static struct regulator_consumer_supply sdp2430_vmmc1_supplies[] = {
 194         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
 195 };
 196
 197 /* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
 198 static struct regulator_init_data sdp2430_vmmc1 = {
 199         .constraints = {
 200                 .min_uV                 = 1850000,
 201                 .max_uV                 = 3150000,
 202                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 203                                         | REGULATOR_MODE_STANDBY,
 204                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 205                                         | REGULATOR_CHANGE_MODE
 206                                         | REGULATOR_CHANGE_STATUS,
 207         },
 208         .num_consumer_supplies  = ARRAY_SIZE(sdp2430_vmmc1_supplies),
 209         .consumer_supplies      = &sdp2430_vmmc1_supplies[0],
 210 };
 211
 212 static struct twl4030_gpio_platform_data sdp2430_gpio_data = {
 213 };
 214
 215 static struct twl4030_platform_data sdp2430_twldata = {
 216         /* platform_data for children goes here */
 217         .gpio           = &sdp2430_gpio_data,
 218         .vmmc1          = &sdp2430_vmmc1,
 219 };
 220
 221 static struct i2c_board_info __initdata sdp2430_i2c1_boardinfo[] = {
 222         {
 223                 I2C_BOARD_INFO("isp1301_omap", 0x2D),
 224                 .flags = I2C_CLIENT_WAKE,
 225         },
 226 };
 227
 228 static int __init omap2430_i2c_init(void)
 229 {
 230         sdp2430_i2c1_boardinfo[0].irq = gpio_to_irq(78);
 231         omap_register_i2c_bus(1, 100, sdp2430_i2c1_boardinfo,
 232                         ARRAY_SIZE(sdp2430_i2c1_boardinfo));
 233         omap_pmic_init(2, 100, "twl4030", 7 + OMAP_INTC_START,
 234                         &sdp2430_twldata);
 235         return 0;
 236 }
 237
 238 static struct omap2_hsmmc_info mmc[] __initdata = {
 239         {
 240                 .mmc            = 1,
 241                 .caps           = MMC_CAP_4_BIT_DATA,
 242                 .gpio_cd        = -EINVAL,
 243                 .gpio_wp        = -EINVAL,
 244                 .ext_clock      = 1,
 245         },
 246         {}      /* Terminator */
 247 };
 248
 249 #ifdef CONFIG_OMAP_MUX
 250 static struct omap_board_mux board_mux[] __initdata = {
 251         { .reg_offset = OMAP_MUX_TERMINATOR },
 252 };
 253 #endif
 254
 255 static void __init omap_2430sdp_init(void)
 256 {
 257         omap2430_mux_init(board_mux, OMAP_PACKAGE_ZAC);
 258
 259         omap2430_i2c_init();
 260
 261         platform_add_devices(sdp2430_devices, ARRAY_SIZE(sdp2430_devices));
 262         omap_serial_init();
 263         omap_sdrc_init(NULL, NULL);
 264         omap_hsmmc_init(mmc);
 265
 266         omap_mux_init_signal("usb0hs_stp", OMAP_PULL_ENA | OMAP_PULL_UP);
 267         usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb");
 268         usb_musb_init(NULL);
 269
 270         board_smc91x_init();
 271
 272         /* Turn off secondary LCD backlight */
 273         gpio_request_one(SECONDARY_LCD_GPIO, GPIOF_OUT_INIT_LOW,
 274                          "Secondary LCD backlight");
 275
 276         sdp2430_display_init();
 277 }
 278
 279 MACHINE_START(OMAP_2430SDP, "OMAP2430 sdp2430 board")
 280         /* Maintainer: Syed Khasim - Texas Instruments Inc */
 281         .atag_offset    = 0x100,
 282         .reserve        = omap_reserve,
 283         .map_io         = omap243x_map_io,
 284         .init_early     = omap2430_init_early,
 285         .init_irq       = omap2_init_irq,
 286         .handle_irq     = omap2_intc_handle_irq,
 287         .init_machine   = omap_2430sdp_init,
 288         .init_late      = omap2430_init_late,
 289         .init_time      = omap2_sync32k_timer_init,
 290         .restart        = omap2xxx_restart,
 291 MACHINE_END