arch/arm/mach-omap2/board-igep0020.c

   1 /*
   2  * Copyright (C) 2009 Integration Software and Electronic Engineering.
   3  *
   4  * Modified from mach-omap2/board-generic.c
   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 version 2 as
   8  * published by the Free Software Foundation.
   9  */
  10
  11 #include <linux/kernel.h>
  12 #include <linux/init.h>
  13 #include <linux/platform_device.h>
  14 #include <linux/delay.h>
  15 #include <linux/err.h>
  16 #include <linux/clk.h>
  17 #include <linux/io.h>
  18 #include <linux/gpio.h>
  19 #include <linux/interrupt.h>
  20
  21 #include <linux/regulator/machine.h>
  22 #include <linux/i2c/twl4030.h>
  23
  24 #include <asm/mach-types.h>
  25 #include <asm/mach/arch.h>
  26
  27 #include <plat/board.h>
  28 #include <plat/common.h>
  29 #include <plat/gpmc.h>
  30 #include <plat/mux.h>
  31 #include <plat/usb.h>
  32
  33 #include "mux.h"
  34 #include "mmc-twl4030.h"
  35
  36 #define IGEP2_SMSC911X_CS       5
  37 #define IGEP2_SMSC911X_GPIO     176
  38 #define IGEP2_GPIO_USBH_NRESET  24
  39 #define IGEP2_GPIO_LED0_RED     26
  40 #define IGEP2_GPIO_LED0_GREEN   27
  41 #define IGEP2_GPIO_LED1_RED     28
  42
  43 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
  44
  45 #include <linux/smsc911x.h>
  46
  47 static struct smsc911x_platform_config igep2_smsc911x_config = {
  48         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
  49         .irq_type       = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
  50         .flags          = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS  ,
  51         .phy_interface  = PHY_INTERFACE_MODE_MII,
  52 };
  53
  54 static struct resource igep2_smsc911x_resources[] = {
  55         {
  56                 .flags  = IORESOURCE_MEM,
  57         },
  58         {
  59                 .start  = OMAP_GPIO_IRQ(IGEP2_SMSC911X_GPIO),
  60                 .end    = OMAP_GPIO_IRQ(IGEP2_SMSC911X_GPIO),
  61                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
  62         },
  63 };
  64
  65 static struct platform_device igep2_smsc911x_device = {
  66         .name           = "smsc911x",
  67         .id             = 0,
  68         .num_resources  = ARRAY_SIZE(igep2_smsc911x_resources),
  69         .resource       = igep2_smsc911x_resources,
  70         .dev            = {
  71                 .platform_data = &igep2_smsc911x_config,
  72         },
  73 };
  74
  75 static inline void __init igep2_init_smsc911x(void)
  76 {
  77         unsigned long cs_mem_base;
  78
  79         if (gpmc_cs_request(IGEP2_SMSC911X_CS, SZ_16M, &cs_mem_base) < 0) {
  80                 pr_err("IGEP v2: Failed request for GPMC mem for smsc911x\n");
  81                 gpmc_cs_free(IGEP2_SMSC911X_CS);
  82                 return;
  83         }
  84
  85         igep2_smsc911x_resources[0].start = cs_mem_base + 0x0;
  86         igep2_smsc911x_resources[0].end   = cs_mem_base + 0xff;
  87
  88         if ((gpio_request(IGEP2_SMSC911X_GPIO, "SMSC911X IRQ") == 0) &&
  89             (gpio_direction_input(IGEP2_SMSC911X_GPIO) == 0)) {
  90                 gpio_export(IGEP2_SMSC911X_GPIO, 0);
  91         } else {
  92                 pr_err("IGEP v2: Could not obtain gpio for for SMSC911X IRQ\n");
  93                 return;
  94         }
  95
  96         platform_device_register(&igep2_smsc911x_device);
  97 }
  98
  99 #else
 100 static inline void __init igep2_init_smsc911x(void) { }
 101 #endif
 102
 103 static struct omap_board_config_kernel igep2_config[] __initdata = {
 104 };
 105
 106 static struct regulator_consumer_supply igep2_vmmc1_supply = {
 107         .supply         = "vmmc",
 108 };
 109
 110 /* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
 111 static struct regulator_init_data igep2_vmmc1 = {
 112         .constraints = {
 113                 .min_uV                 = 1850000,
 114                 .max_uV                 = 3150000,
 115                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 116                                         | REGULATOR_MODE_STANDBY,
 117                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 118                                         | REGULATOR_CHANGE_MODE
 119                                         | REGULATOR_CHANGE_STATUS,
 120         },
 121         .num_consumer_supplies  = 1,
 122         .consumer_supplies      = &igep2_vmmc1_supply,
 123 };
 124
 125 static struct twl4030_hsmmc_info mmc[] = {
 126         {
 127                 .mmc            = 1,
 128                 .wires          = 4,
 129                 .gpio_cd        = -EINVAL,
 130                 .gpio_wp        = -EINVAL,
 131         },
 132         {
 133                 .mmc            = 2,
 134                 .wires          = 4,
 135                 .gpio_cd        = -EINVAL,
 136                 .gpio_wp        = -EINVAL,
 137         },
 138         {}      /* Terminator */
 139 };
 140
 141 static int igep2_twl_gpio_setup(struct device *dev,
 142                 unsigned gpio, unsigned ngpio)
 143 {
 144         /* gpio + 0 is "mmc0_cd" (input/IRQ) */
 145         mmc[0].gpio_cd = gpio + 0;
 146         twl4030_mmc_init(mmc);
 147
 148         /* link regulators to MMC adapters ... we "know" the
 149          * regulators will be set up only *after* we return.
 150         */
 151         igep2_vmmc1_supply.dev = mmc[0].dev;
 152
 153         return 0;
 154 };
 155
 156 static struct twl4030_gpio_platform_data igep2_gpio_data = {
 157         .gpio_base      = OMAP_MAX_GPIO_LINES,
 158         .irq_base       = TWL4030_GPIO_IRQ_BASE,
 159         .irq_end        = TWL4030_GPIO_IRQ_END,
 160         .use_leds       = false,
 161         .setup          = igep2_twl_gpio_setup,
 162 };
 163
 164 static struct twl4030_usb_data igep2_usb_data = {
 165         .usb_mode       = T2_USB_MODE_ULPI,
 166 };
 167
 168 static void __init igep2_init_irq(void)
 169 {
 170         omap_board_config = igep2_config;
 171         omap_board_config_size = ARRAY_SIZE(igep2_config);
 172         omap2_init_common_hw(NULL, NULL);
 173         omap_init_irq();
 174         omap_gpio_init();
 175 }
 176
 177 static struct twl4030_platform_data igep2_twldata = {
 178         .irq_base       = TWL4030_IRQ_BASE,
 179         .irq_end        = TWL4030_IRQ_END,
 180
 181         /* platform_data for children goes here */
 182         .usb            = &igep2_usb_data,
 183         .gpio           = &igep2_gpio_data,
 184         .vmmc1          = &igep2_vmmc1,
 185
 186 };
 187
 188 static struct i2c_board_info __initdata igep2_i2c_boardinfo[] = {
 189         {
 190                 I2C_BOARD_INFO("twl4030", 0x48),
 191                 .flags          = I2C_CLIENT_WAKE,
 192                 .irq            = INT_34XX_SYS_NIRQ,
 193                 .platform_data  = &igep2_twldata,
 194         },
 195 };
 196
 197 static int __init igep2_i2c_init(void)
 198 {
 199         omap_register_i2c_bus(1, 2600, igep2_i2c_boardinfo,
 200                         ARRAY_SIZE(igep2_i2c_boardinfo));
 201         /* Bus 3 is attached to the DVI port where devices like the pico DLP
 202          * projector don't work reliably with 400kHz */
 203         omap_register_i2c_bus(3, 100, NULL, 0);
 204         return 0;
 205 }
 206
 207 #ifdef CONFIG_OMAP_MUX
 208 static struct omap_board_mux board_mux[] __initdata = {
 209         { .reg_offset = OMAP_MUX_TERMINATOR },
 210 };
 211 #else
 212 #define board_mux       NULL
 213 #endif
 214
 215 static void __init igep2_init(void)
 216 {
 217         omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
 218         igep2_i2c_init();
 219         omap_serial_init();
 220         usb_musb_init();
 221
 222         igep2_init_smsc911x();
 223
 224         /* GPIO userspace leds */
 225         if ((gpio_request(IGEP2_GPIO_LED0_RED, "GPIO_LED0_RED") == 0) &&
 226             (gpio_direction_output(IGEP2_GPIO_LED0_RED, 1) == 0)) {
 227                 gpio_export(IGEP2_GPIO_LED0_RED, 0);
 228                 gpio_set_value(IGEP2_GPIO_LED0_RED, 0);
 229         } else
 230                 pr_warning("IGEP v2: Could not obtain gpio GPIO_LED0_RED\n");
 231
 232         if ((gpio_request(IGEP2_GPIO_LED0_GREEN, "GPIO_LED0_GREEN") == 0) &&
 233             (gpio_direction_output(IGEP2_GPIO_LED0_GREEN, 1) == 0)) {
 234                 gpio_export(IGEP2_GPIO_LED0_GREEN, 0);
 235                 gpio_set_value(IGEP2_GPIO_LED0_GREEN, 0);
 236         } else
 237                 pr_warning("IGEP v2: Could not obtain gpio GPIO_LED0_GREEN\n");
 238
 239         if ((gpio_request(IGEP2_GPIO_LED1_RED, "GPIO_LED1_RED") == 0) &&
 240             (gpio_direction_output(IGEP2_GPIO_LED1_RED, 1) == 0)) {
 241                 gpio_export(IGEP2_GPIO_LED1_RED, 0);
 242                 gpio_set_value(IGEP2_GPIO_LED1_RED, 0);
 243         } else
 244                 pr_warning("IGEP v2: Could not obtain gpio GPIO_LED1_RED\n");
 245 }
 246
 247 static void __init igep2_map_io(void)
 248 {
 249         omap2_set_globals_343x();
 250         omap2_map_common_io();
 251 }
 252
 253 MACHINE_START(IGEP0020, "IGEP v2 board")
 254         .phys_io        = 0x48000000,
 255         .io_pg_offst    = ((0xfa000000) >> 18) & 0xfffc,
 256         .boot_params    = 0x80000100,
 257         .map_io         = igep2_map_io,
 258         .init_irq       = igep2_init_irq,
 259         .init_machine   = igep2_init,
 260         .timer          = &omap_timer,
 261 MACHINE_END