arch/arm/mach-omap2/board-3430sdp.c

   1 /*
   2  * linux/arch/arm/mach-omap2/board-3430sdp.c
   3  *
   4  * Copyright (C) 2007 Texas Instruments
   5  *
   6  * Modified from mach-omap2/board-generic.c
   7  *
   8  * Initial code: Syed Mohammed Khasim
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License version 2 as
  12  * published by the Free Software Foundation.
  13  */
  14
  15 #include <linux/kernel.h>
  16 #include <linux/init.h>
  17 #include <linux/platform_device.h>
  18 #include <linux/delay.h>
  19 #include <linux/input.h>
  20 #include <linux/workqueue.h>
  21 #include <linux/err.h>
  22 #include <linux/clk.h>
  23 #include <linux/spi/spi.h>
  24 #include <linux/spi/ads7846.h>
  25 #include <linux/i2c/twl4030.h>
  26
  27 #include <mach/hardware.h>
  28 #include <asm/mach-types.h>
  29 #include <asm/mach/arch.h>
  30 #include <asm/mach/map.h>
  31
  32 #include <mach/mcspi.h>
  33 #include <mach/gpio.h>
  34 #include <mach/mux.h>
  35 #include <mach/board.h>
  36 #include <mach/usb-musb.h>
  37 #include <mach/usb-ehci.h>
  38 #include <mach/hsmmc.h>
  39 #include <mach/common.h>
  40 #include <mach/keypad.h>
  41 #include <mach/dma.h>
  42 #include <mach/gpmc.h>
  43
  44 #include <asm/io.h>
  45 #include <asm/delay.h>
  46 #include <mach/control.h>
  47
  48 #include "sdram-qimonda-hyb18m512160af-6.h"
  49
  50 #define SDP3430_SMC91X_CS       3
  51
  52 #define ENABLE_VAUX3_DEDICATED  0x03
  53 #define ENABLE_VAUX3_DEV_GRP    0x20
  54
  55
  56 #define TWL4030_MSECURE_GPIO 22
  57
  58 static struct resource sdp3430_smc91x_resources[] = {
  59         [0] = {
  60                 .start  = OMAP34XX_ETHR_START,
  61                 .end    = OMAP34XX_ETHR_START + SZ_4K,
  62                 .flags  = IORESOURCE_MEM,
  63         },
  64         [1] = {
  65                 .start  = 0,
  66                 .end    = 0,
  67                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
  68         },
  69 };
  70
  71 static struct platform_device sdp3430_smc91x_device = {
  72         .name           = "smc91x",
  73         .id             = -1,
  74         .num_resources  = ARRAY_SIZE(sdp3430_smc91x_resources),
  75         .resource       = sdp3430_smc91x_resources,
  76 };
  77
  78 static int sdp3430_keymap[] = {
  79         KEY(0, 0, KEY_LEFT),
  80         KEY(0, 1, KEY_RIGHT),
  81         KEY(0, 2, KEY_A),
  82         KEY(0, 3, KEY_B),
  83         KEY(0, 4, KEY_C),
  84         KEY(1, 0, KEY_DOWN),
  85         KEY(1, 1, KEY_UP),
  86         KEY(1, 2, KEY_E),
  87         KEY(1, 3, KEY_F),
  88         KEY(1, 4, KEY_G),
  89         KEY(2, 0, KEY_ENTER),
  90         KEY(2, 1, KEY_I),
  91         KEY(2, 2, KEY_J),
  92         KEY(2, 3, KEY_K),
  93         KEY(2, 4, KEY_3),
  94         KEY(3, 0, KEY_M),
  95         KEY(3, 1, KEY_N),
  96         KEY(3, 2, KEY_O),
  97         KEY(3, 3, KEY_P),
  98         KEY(3, 4, KEY_Q),
  99         KEY(4, 0, KEY_R),
 100         KEY(4, 1, KEY_4),
 101         KEY(4, 2, KEY_T),
 102         KEY(4, 3, KEY_U),
 103         KEY(4, 4, KEY_D),
 104         KEY(5, 0, KEY_V),
 105         KEY(5, 1, KEY_W),
 106         KEY(5, 2, KEY_L),
 107         KEY(5, 3, KEY_S),
 108         KEY(5, 4, KEY_H),
 109         0
 110 };
 111
 112 static struct twl4030_keypad_data sdp3430_kp_data = {
 113         .rows           = 5,
 114         .cols           = 6,
 115         .keymap         = sdp3430_keymap,
 116         .keymapsize     = ARRAY_SIZE(sdp3430_keymap),
 117         .rep            = 1,
 118         .irq            = TWL4030_MODIRQ_KEYPAD,
 119 };
 120
 121 static int ts_gpio;
 122
 123 static int __init msecure_init(void)
 124 {
 125         int ret = 0;
 126
 127 #ifdef CONFIG_RTC_DRV_TWL4030
 128         /* 3430ES2.0 doesn't have msecure/gpio-22 line connected to T2 */
 129         if (omap_type() == OMAP2_DEVICE_TYPE_GP &&
 130                         system_rev < OMAP3430_REV_ES2_0) {
 131                 u32 msecure_pad_config_reg = omap_ctrl_base_get() + 0xA3C;
 132                 int mux_mask = 0x04;
 133                 u16 tmp;
 134
 135                 ret = gpio_request(TWL4030_MSECURE_GPIO, "msecure");
 136                 if (ret < 0) {
 137                         printk(KERN_ERR "msecure_init: can't"
 138                                 "reserve GPIO:%d !\n", TWL4030_MSECURE_GPIO);
 139                         goto out;
 140                 }
 141                 /*
 142                  * TWL4030 will be in secure mode if msecure line from OMAP
 143                  * is low. Make msecure line high in order to change the
 144                  * TWL4030 RTC time and calender registers.
 145                  */
 146                 tmp = omap_readw(msecure_pad_config_reg);
 147                 tmp &= 0xF8; /* To enable mux mode 03/04 = GPIO_RTC */
 148                 tmp |= mux_mask;/* To enable mux mode 03/04 = GPIO_RTC */
 149                 omap_writew(tmp, msecure_pad_config_reg);
 150
 151                 gpio_direction_output(TWL4030_MSECURE_GPIO, 1);
 152         }
 153 out:
 154 #endif
 155         return ret;
 156 }
 157
 158 /**
 159  * @brief ads7846_dev_init : Requests & sets GPIO line for pen-irq
 160  *
 161  * @return - void. If request gpio fails then Flag KERN_ERR.
 162  */
 163 static void ads7846_dev_init(void)
 164 {
 165         if (omap_request_gpio(ts_gpio) < 0) {
 166                 printk(KERN_ERR "can't get ads746 pen down GPIO\n");
 167                 return;
 168         }
 169
 170         omap_set_gpio_direction(ts_gpio, 1);
 171
 172         omap_set_gpio_debounce(ts_gpio, 1);
 173         omap_set_gpio_debounce_time(ts_gpio, 0xa);
 174 }
 175
 176 static int ads7846_get_pendown_state(void)
 177 {
 178         return !omap_get_gpio_datain(ts_gpio);
 179 }
 180
 181 /*
 182  * This enable(1)/disable(0) the voltage for TS: uses twl4030 calls
 183  */
 184 static int ads7846_vaux_control(int vaux_cntrl)
 185 {
 186         int ret = 0;
 187
 188 #ifdef CONFIG_TWL4030_CORE
 189         /* check for return value of ldo_use: if success it returns 0 */
 190         if (vaux_cntrl == VAUX_ENABLE) {
 191                 if (ret != twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
 192                         ENABLE_VAUX3_DEDICATED, TWL4030_VAUX3_DEDICATED))
 193                         return -EIO;
 194                 if (ret != twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
 195                         ENABLE_VAUX3_DEV_GRP, TWL4030_VAUX3_DEV_GRP))
 196                         return -EIO;
 197         } else if (vaux_cntrl == VAUX_DISABLE) {
 198                 if (ret != twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
 199                         0x00, TWL4030_VAUX3_DEDICATED))
 200                         return -EIO;
 201                 if (ret != twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
 202                         0x00, TWL4030_VAUX3_DEV_GRP))
 203                         return -EIO;
 204         }
 205 #else
 206         ret = -EIO;
 207 #endif
 208         return ret;
 209 }
 210
 211 static struct ads7846_platform_data tsc2046_config __initdata = {
 212         .get_pendown_state      = ads7846_get_pendown_state,
 213         .keep_vref_on           = 1,
 214         .vaux_control           = ads7846_vaux_control,
 215 };
 216
 217
 218 static struct omap2_mcspi_device_config tsc2046_mcspi_config = {
 219         .turbo_mode     = 0,
 220         .single_channel = 1,  /* 0: slave, 1: master */
 221 };
 222
 223 static struct spi_board_info sdp3430_spi_board_info[] __initdata = {
 224         [0] = {
 225                 /*
 226                  * TSC2046 operates at a max freqency of 2MHz, so
 227                  * operate slightly below at 1.5MHz
 228                  */
 229                 .modalias               = "ads7846",
 230                 .bus_num                = 1,
 231                 .chip_select            = 0,
 232                 .max_speed_hz           = 1500000,
 233                 .controller_data        = &tsc2046_mcspi_config,
 234                 .irq                    = 0,
 235                 .platform_data          = &tsc2046_config,
 236         },
 237 };
 238
 239 static struct platform_device sdp3430_lcd_device = {
 240         .name           = "sdp2430_lcd",
 241         .id             = -1,
 242 };
 243
 244 static struct platform_device *sdp3430_devices[] __initdata = {
 245         &sdp3430_smc91x_device,
 246         &sdp3430_lcd_device,
 247 };
 248
 249 static inline void __init sdp3430_init_smc91x(void)
 250 {
 251         int eth_cs;
 252         unsigned long cs_mem_base;
 253         int eth_gpio = 0;
 254
 255         eth_cs = SDP3430_SMC91X_CS;
 256
 257         if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) {
 258                 printk(KERN_ERR "Failed to request GPMC mem for smc91x\n");
 259                 return;
 260         }
 261
 262         sdp3430_smc91x_resources[0].start = cs_mem_base + 0x0;
 263         sdp3430_smc91x_resources[0].end   = cs_mem_base + 0xf;
 264         udelay(100);
 265
 266         if (system_rev > OMAP3430_REV_ES1_0)
 267                 eth_gpio = OMAP34XX_ETHR_GPIO_IRQ_SDPV2;
 268         else
 269                 eth_gpio = OMAP34XX_ETHR_GPIO_IRQ_SDPV1;
 270
 271         sdp3430_smc91x_resources[1].start = OMAP_GPIO_IRQ(eth_gpio);
 272
 273         if (omap_request_gpio(eth_gpio) < 0) {
 274                 printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
 275                         eth_gpio);
 276                 return;
 277         }
 278         omap_set_gpio_direction(eth_gpio, 1);
 279 }
 280
 281 static void __init omap_3430sdp_init_irq(void)
 282 {
 283         omap2_init_common_hw(hyb18m512160af6_sdrc_params);
 284         omap_init_irq();
 285         omap_gpio_init();
 286         sdp3430_init_smc91x();
 287 }
 288
 289 static struct omap_uart_config sdp3430_uart_config __initdata = {
 290         .enabled_uarts  = ((1 << 0) | (1 << 1) | (1 << 2)),
 291 };
 292
 293 static struct omap_lcd_config sdp3430_lcd_config __initdata = {
 294         .ctrl_name      = "internal",
 295 };
 296
 297 static struct omap_board_config_kernel sdp3430_config[] __initdata = {
 298         { OMAP_TAG_UART,        &sdp3430_uart_config },
 299         { OMAP_TAG_LCD,         &sdp3430_lcd_config },
 300 };
 301
 302 static int sdp3430_batt_table[] = {
 303 /* 0 C*/
 304 30800, 29500, 28300, 27100,
 305 26000, 24900, 23900, 22900, 22000, 21100, 20300, 19400, 18700, 17900,
 306 17200, 16500, 15900, 15300, 14700, 14100, 13600, 13100, 12600, 12100,
 307 11600, 11200, 10800, 10400, 10000, 9630,   9280,   8950,   8620,   8310,
 308 8020,   7730,   7460,   7200,   6950,   6710,   6470,   6250,   6040,   5830,
 309 5640,   5450,   5260,   5090,   4920,   4760,   4600,   4450,   4310,   4170,
 310 4040,   3910,   3790,   3670,   3550
 311 };
 312
 313 static struct twl4030_bci_platform_data sdp3430_bci_data = {
 314       .battery_tmp_tbl  = sdp3430_batt_table,
 315       .tblsize          = ARRAY_SIZE(sdp3430_batt_table),
 316 };
 317
 318 static struct twl4030_gpio_platform_data sdp3430_gpio_data = {
 319         .gpio_base      = OMAP_MAX_GPIO_LINES,
 320         .irq_base       = TWL4030_GPIO_IRQ_BASE,
 321         .irq_end        = TWL4030_GPIO_IRQ_END,
 322 };
 323
 324 static struct twl4030_usb_data sdp3430_usb_data = {
 325         .usb_mode       = T2_USB_MODE_ULPI,
 326 };
 327
 328 static struct twl4030_madc_platform_data sdp3430_madc_data = {
 329         .irq_line       = 1,
 330 };
 331
 332 static struct twl4030_platform_data sdp3430_twldata = {
 333         .irq_base       = TWL4030_IRQ_BASE,
 334         .irq_end        = TWL4030_IRQ_END,
 335
 336         /* platform_data for children goes here */
 337         .bci            = &sdp3430_bci_data,
 338         .gpio           = &sdp3430_gpio_data,
 339         .madc           = &sdp3430_madc_data,
 340         .keypad         = &sdp3430_kp_data,
 341         .usb            = &sdp3430_usb_data,
 342 };
 343
 344 static struct i2c_board_info __initdata sdp3430_i2c_boardinfo[] = {
 345         {
 346                 I2C_BOARD_INFO("twl4030", 0x48),
 347                 .flags = I2C_CLIENT_WAKE,
 348                 .irq = INT_34XX_SYS_NIRQ,
 349                 .platform_data = &sdp3430_twldata,
 350         },
 351 };
 352
 353 static int __init omap3430_i2c_init(void)
 354 {
 355         omap_register_i2c_bus(1, 2600, sdp3430_i2c_boardinfo,
 356                         ARRAY_SIZE(sdp3430_i2c_boardinfo));
 357         omap_register_i2c_bus(2, 400, NULL, 0);
 358         omap_register_i2c_bus(3, 400, NULL, 0);
 359         return 0;
 360 }
 361
 362 extern void __init sdp3430_flash_init(void);
 363
 364 static void __init omap_3430sdp_init(void)
 365 {
 366         omap3430_i2c_init();
 367         platform_add_devices(sdp3430_devices, ARRAY_SIZE(sdp3430_devices));
 368         omap_board_config = sdp3430_config;
 369         omap_board_config_size = ARRAY_SIZE(sdp3430_config);
 370         if (system_rev > OMAP3430_REV_ES1_0)
 371                 ts_gpio = OMAP34XX_TS_GPIO_IRQ_SDPV2;
 372         else
 373                 ts_gpio = OMAP34XX_TS_GPIO_IRQ_SDPV1;
 374         sdp3430_spi_board_info[0].irq = OMAP_GPIO_IRQ(ts_gpio);
 375         spi_register_board_info(sdp3430_spi_board_info,
 376                                 ARRAY_SIZE(sdp3430_spi_board_info));
 377         ads7846_dev_init();
 378         sdp3430_flash_init();
 379         msecure_init();
 380         omap_serial_init();
 381         usb_musb_init();
 382         usb_ehci_init();
 383         hsmmc_init();
 384 }
 385
 386 static void __init omap_3430sdp_map_io(void)
 387 {
 388         omap2_set_globals_343x();
 389         omap2_map_common_io();
 390 }
 391
 392 MACHINE_START(OMAP_3430SDP, "OMAP3430 3430SDP board")
 393         /* Maintainer: Syed Khasim - Texas Instruments Inc */
 394         .phys_io        = 0x48000000,
 395         .io_pg_offst    = ((0xd8000000) >> 18) & 0xfffc,
 396         .boot_params    = 0x80000100,
 397         .map_io         = omap_3430sdp_map_io,
 398         .init_irq       = omap_3430sdp_init_irq,
 399         .init_machine   = omap_3430sdp_init,
 400         .timer          = &omap_timer,
 401 MACHINE_END