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 /* LCD */
 104 #define SDP2430_LCD_PANEL_BACKLIGHT_GPIO        91
 105 #define SDP2430_LCD_PANEL_ENABLE_GPIO           154
 106
 107 static const struct display_timing sdp2430_lcd_videomode = {
 108         .pixelclock     = { 0, 5400000, 0 },
 109
 110         .hactive = { 0, 240, 0 },
 111         .hfront_porch = { 0, 3, 0 },
 112         .hback_porch = { 0, 39, 0 },
 113         .hsync_len = { 0, 3, 0 },
 114
 115         .vactive = { 0, 320, 0 },
 116         .vfront_porch = { 0, 2, 0 },
 117         .vback_porch = { 0, 7, 0 },
 118         .vsync_len = { 0, 1, 0 },
 119
 120         .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW |
 121                 DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_PIXDATA_POSEDGE,
 122 };
 123
 124 static struct panel_dpi_platform_data sdp2430_lcd_pdata = {
 125         .name                   = "lcd",
 126         .source                 = "dpi.0",
 127
 128         .data_lines             = 16,
 129
 130         .display_timing         = &sdp2430_lcd_videomode,
 131
 132         .enable_gpio            = SDP2430_LCD_PANEL_ENABLE_GPIO,
 133         .backlight_gpio         = SDP2430_LCD_PANEL_BACKLIGHT_GPIO,
 134 };
 135
 136 static struct platform_device sdp2430_lcd_device = {
 137         .name                   = "panel-dpi",
 138         .id                     = 0,
 139         .dev.platform_data      = &sdp2430_lcd_pdata,
 140 };
 141
 142 static struct omap_dss_board_info sdp2430_dss_data = {
 143         .default_display_name = "lcd",
 144 };
 145
 146 static struct platform_device *sdp2430_devices[] __initdata = {
 147         &sdp2430_flash_device,
 148         &sdp2430_lcd_device,
 149 };
 150
 151 #if IS_ENABLED(CONFIG_SMC91X)
 152
 153 static struct omap_smc91x_platform_data board_smc91x_data = {
 154         .cs             = 5,
 155         .gpio_irq       = 149,
 156         .flags          = GPMC_MUX_ADD_DATA | GPMC_TIMINGS_SMC91C96 |
 157                                 IORESOURCE_IRQ_LOWLEVEL,
 158
 159 };
 160
 161 static void __init board_smc91x_init(void)
 162 {
 163         omap_mux_init_gpio(149, OMAP_PIN_INPUT);
 164         gpmc_smc91x_init(&board_smc91x_data);
 165 }
 166
 167 #else
 168
 169 static inline void board_smc91x_init(void)
 170 {
 171 }
 172
 173 #endif
 174
 175 static struct regulator_consumer_supply sdp2430_vmmc1_supplies[] = {
 176         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
 177 };
 178
 179 /* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
 180 static struct regulator_init_data sdp2430_vmmc1 = {
 181         .constraints = {
 182                 .min_uV                 = 1850000,
 183                 .max_uV                 = 3150000,
 184                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 185                                         | REGULATOR_MODE_STANDBY,
 186                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 187                                         | REGULATOR_CHANGE_MODE
 188                                         | REGULATOR_CHANGE_STATUS,
 189         },
 190         .num_consumer_supplies  = ARRAY_SIZE(sdp2430_vmmc1_supplies),
 191         .consumer_supplies      = &sdp2430_vmmc1_supplies[0],
 192 };
 193
 194 static struct twl4030_gpio_platform_data sdp2430_gpio_data = {
 195 };
 196
 197 static struct twl4030_platform_data sdp2430_twldata = {
 198         /* platform_data for children goes here */
 199         .gpio           = &sdp2430_gpio_data,
 200         .vmmc1          = &sdp2430_vmmc1,
 201 };
 202
 203 static struct i2c_board_info __initdata sdp2430_i2c1_boardinfo[] = {
 204         {
 205                 I2C_BOARD_INFO("isp1301_omap", 0x2D),
 206                 .flags = I2C_CLIENT_WAKE,
 207         },
 208 };
 209
 210 static int __init omap2430_i2c_init(void)
 211 {
 212         sdp2430_i2c1_boardinfo[0].irq = gpio_to_irq(78);
 213         omap_register_i2c_bus(1, 100, sdp2430_i2c1_boardinfo,
 214                         ARRAY_SIZE(sdp2430_i2c1_boardinfo));
 215         omap_pmic_init(2, 100, "twl4030", 7 + OMAP_INTC_START,
 216                         &sdp2430_twldata);
 217         return 0;
 218 }
 219
 220 static struct omap2_hsmmc_info mmc[] __initdata = {
 221         {
 222                 .mmc            = 1,
 223                 .caps           = MMC_CAP_4_BIT_DATA,
 224                 .gpio_cd        = -EINVAL,
 225                 .gpio_wp        = -EINVAL,
 226                 .ext_clock      = 1,
 227         },
 228         {}      /* Terminator */
 229 };
 230
 231 #ifdef CONFIG_OMAP_MUX
 232 static struct omap_board_mux board_mux[] __initdata = {
 233         { .reg_offset = OMAP_MUX_TERMINATOR },
 234 };
 235 #endif
 236
 237 static void __init omap_2430sdp_init(void)
 238 {
 239         omap2430_mux_init(board_mux, OMAP_PACKAGE_ZAC);
 240
 241         omap2430_i2c_init();
 242
 243         platform_add_devices(sdp2430_devices, ARRAY_SIZE(sdp2430_devices));
 244         omap_serial_init();
 245         omap_sdrc_init(NULL, NULL);
 246         omap_hsmmc_init(mmc);
 247
 248         omap_mux_init_signal("usb0hs_stp", OMAP_PULL_ENA | OMAP_PULL_UP);
 249         usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb");
 250         usb_musb_init(NULL);
 251
 252         board_smc91x_init();
 253
 254         /* Turn off secondary LCD backlight */
 255         gpio_request_one(SECONDARY_LCD_GPIO, GPIOF_OUT_INIT_LOW,
 256                          "Secondary LCD backlight");
 257
 258         omap_display_init(&sdp2430_dss_data);
 259 }
 260
 261 MACHINE_START(OMAP_2430SDP, "OMAP2430 sdp2430 board")
 262         /* Maintainer: Syed Khasim - Texas Instruments Inc */
 263         .atag_offset    = 0x100,
 264         .reserve        = omap_reserve,
 265         .map_io         = omap243x_map_io,
 266         .init_early     = omap2430_init_early,
 267         .init_irq       = omap2_init_irq,
 268         .handle_irq     = omap2_intc_handle_irq,
 269         .init_machine   = omap_2430sdp_init,
 270         .init_late      = omap2430_init_late,
 271         .init_time      = omap2_sync32k_timer_init,
 272         .restart        = omap2xxx_restart,
 273 MACHINE_END