arch/arm/mach-omap2/board-am3517evm.c

   1 /*
   2  * linux/arch/arm/mach-omap2/board-am3517evm.c
   3  *
   4  * Copyright (C) 2009 Texas Instruments Incorporated
   5  * Author: Ranjith Lohithakshan <ranjithl@ti.com>
   6  *
   7  * Based on mach-omap2/board-omap3evm.c
   8  *
   9  * This program is free software; you can redistribute it and/or modify it
  10  * under the terms of the GNU General Public License as  published by the
  11  * Free Software Foundation version 2.
  12  *
  13  * This program is distributed "as is" WITHOUT ANY WARRANTY of any kind,
  14  * whether express or implied; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * General Public License for more details.
  17  */
  18
  19 #include <linux/kernel.h>
  20 #include <linux/init.h>
  21 #include <linux/clk.h>
  22 #include <linux/platform_device.h>
  23 #include <linux/gpio.h>
  24 #include <linux/platform_data/pca953x.h>
  25 #include <linux/can/platform/ti_hecc.h>
  26 #include <linux/davinci_emac.h>
  27 #include <linux/mmc/host.h>
  28 #include <linux/usb/musb.h>
  29 #include <linux/platform_data/gpio-omap.h>
  30
  31 #include "am35xx.h"
  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 <video/omapdss.h>
  38 #include <video/omap-panel-data.h>
  39
  40 #include "am35xx-emac.h"
  41 #include "mux.h"
  42 #include "control.h"
  43 #include "hsmmc.h"
  44
  45 #define LCD_PANEL_PWR           176
  46 #define LCD_PANEL_BKLIGHT_PWR   182
  47 #define LCD_PANEL_PWM           181
  48
  49 static struct i2c_board_info __initdata am3517evm_i2c1_boardinfo[] = {
  50         {
  51                 I2C_BOARD_INFO("s35390a", 0x30),
  52         },
  53 };
  54
  55 /*
  56  * RTC - S35390A
  57  */
  58 #define GPIO_RTCS35390A_IRQ     55
  59
  60 static void __init am3517_evm_rtc_init(void)
  61 {
  62         int r;
  63
  64         omap_mux_init_gpio(GPIO_RTCS35390A_IRQ, OMAP_PIN_INPUT_PULLUP);
  65
  66         r = gpio_request_one(GPIO_RTCS35390A_IRQ, GPIOF_IN, "rtcs35390a-irq");
  67         if (r < 0) {
  68                 printk(KERN_WARNING "failed to request GPIO#%d\n",
  69                                 GPIO_RTCS35390A_IRQ);
  70                 return;
  71         }
  72
  73         am3517evm_i2c1_boardinfo[0].irq = gpio_to_irq(GPIO_RTCS35390A_IRQ);
  74 }
  75
  76 /*
  77  * I2C GPIO Expander - TCA6416
  78  */
  79
  80 /* Mounted on Base-Board */
  81 static struct pca953x_platform_data am3517evm_gpio_expander_info_0 = {
  82         .gpio_base      = OMAP_MAX_GPIO_LINES,
  83 };
  84 static struct i2c_board_info __initdata am3517evm_i2c2_boardinfo[] = {
  85         {
  86                 I2C_BOARD_INFO("tlv320aic23", 0x1A),
  87         },
  88         {
  89                 I2C_BOARD_INFO("tca6416", 0x21),
  90                 .platform_data = &am3517evm_gpio_expander_info_0,
  91         },
  92 };
  93
  94 /* Mounted on UI Card */
  95 static struct pca953x_platform_data am3517evm_ui_gpio_expander_info_1 = {
  96         .gpio_base      = OMAP_MAX_GPIO_LINES + 16,
  97 };
  98 static struct pca953x_platform_data am3517evm_ui_gpio_expander_info_2 = {
  99         .gpio_base      = OMAP_MAX_GPIO_LINES + 32,
 100 };
 101 static struct i2c_board_info __initdata am3517evm_i2c3_boardinfo[] = {
 102         {
 103                 I2C_BOARD_INFO("tca6416", 0x20),
 104                 .platform_data = &am3517evm_ui_gpio_expander_info_1,
 105         },
 106         {
 107                 I2C_BOARD_INFO("tca6416", 0x21),
 108                 .platform_data = &am3517evm_ui_gpio_expander_info_2,
 109         },
 110 };
 111
 112 static int __init am3517_evm_i2c_init(void)
 113 {
 114         omap_register_i2c_bus(1, 400, NULL, 0);
 115         omap_register_i2c_bus(2, 400, am3517evm_i2c2_boardinfo,
 116                         ARRAY_SIZE(am3517evm_i2c2_boardinfo));
 117         omap_register_i2c_bus(3, 400, am3517evm_i2c3_boardinfo,
 118                         ARRAY_SIZE(am3517evm_i2c3_boardinfo));
 119
 120         return 0;
 121 }
 122
 123 static const struct display_timing am3517_evm_lcd_videomode = {
 124         .pixelclock     = { 0, 9000000, 0 },
 125
 126         .hactive = { 0, 480, 0 },
 127         .hfront_porch = { 0, 3, 0 },
 128         .hback_porch = { 0, 2, 0 },
 129         .hsync_len = { 0, 42, 0 },
 130
 131         .vactive = { 0, 272, 0 },
 132         .vfront_porch = { 0, 3, 0 },
 133         .vback_porch = { 0, 2, 0 },
 134         .vsync_len = { 0, 11, 0 },
 135
 136         .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW |
 137                 DISPLAY_FLAGS_DE_LOW | DISPLAY_FLAGS_PIXDATA_POSEDGE,
 138 };
 139
 140 static struct panel_dpi_platform_data am3517_evm_lcd_pdata = {
 141         .name                   = "lcd",
 142         .source                 = "dpi.0",
 143
 144         .data_lines             = 16,
 145
 146         .display_timing         = &am3517_evm_lcd_videomode,
 147
 148         .enable_gpio            = LCD_PANEL_PWR,
 149         .backlight_gpio         = LCD_PANEL_BKLIGHT_PWR,
 150 };
 151
 152 static struct platform_device am3517_evm_lcd_device = {
 153         .name                   = "panel-dpi",
 154         .id                     = 0,
 155         .dev.platform_data      = &am3517_evm_lcd_pdata,
 156 };
 157
 158 static struct connector_dvi_platform_data am3517_evm_dvi_connector_pdata = {
 159         .name                   = "dvi",
 160         .source                 = "tfp410.0",
 161         .i2c_bus_num            = -1,
 162 };
 163
 164 static struct platform_device am3517_evm_dvi_connector_device = {
 165         .name                   = "connector-dvi",
 166         .id                     = 0,
 167         .dev.platform_data      = &am3517_evm_dvi_connector_pdata,
 168 };
 169
 170 static struct encoder_tfp410_platform_data am3517_evm_tfp410_pdata = {
 171         .name                   = "tfp410.0",
 172         .source                 = "dpi.0",
 173         .data_lines             = 24,
 174         .power_down_gpio        = -1,
 175 };
 176
 177 static struct platform_device am3517_evm_tfp410_device = {
 178         .name                   = "tfp410",
 179         .id                     = 0,
 180         .dev.platform_data      = &am3517_evm_tfp410_pdata,
 181 };
 182
 183 static struct connector_atv_platform_data am3517_evm_tv_pdata = {
 184         .name = "tv",
 185         .source = "venc.0",
 186         .connector_type = OMAP_DSS_VENC_TYPE_SVIDEO,
 187         .invert_polarity = false,
 188 };
 189
 190 static struct platform_device am3517_evm_tv_connector_device = {
 191         .name                   = "connector-analog-tv",
 192         .id                     = 0,
 193         .dev.platform_data      = &am3517_evm_tv_pdata,
 194 };
 195
 196 static struct omap_dss_board_info am3517_evm_dss_data = {
 197         .default_display_name = "lcd",
 198 };
 199
 200 static void __init am3517_evm_display_init(void)
 201 {
 202         gpio_request_one(LCD_PANEL_PWM, GPIOF_OUT_INIT_HIGH, "lcd panel pwm");
 203
 204         omap_display_init(&am3517_evm_dss_data);
 205
 206         platform_device_register(&am3517_evm_tfp410_device);
 207         platform_device_register(&am3517_evm_dvi_connector_device);
 208         platform_device_register(&am3517_evm_lcd_device);
 209         platform_device_register(&am3517_evm_tv_connector_device);
 210 }
 211
 212 /*
 213  * Board initialization
 214  */
 215
 216 static struct omap_musb_board_data musb_board_data = {
 217         .interface_type         = MUSB_INTERFACE_ULPI,
 218         .mode                   = MUSB_OTG,
 219         .power                  = 500,
 220         .set_phy_power          = am35x_musb_phy_power,
 221         .clear_irq              = am35x_musb_clear_irq,
 222         .set_mode               = am35x_set_mode,
 223         .reset                  = am35x_musb_reset,
 224 };
 225
 226 static __init void am3517_evm_musb_init(void)
 227 {
 228         u32 devconf2;
 229
 230         /*
 231          * Set up USB clock/mode in the DEVCONF2 register.
 232          */
 233         devconf2 = omap_ctrl_readl(AM35XX_CONTROL_DEVCONF2);
 234
 235         /* USB2.0 PHY reference clock is 13 MHz */
 236         devconf2 &= ~(CONF2_REFFREQ | CONF2_OTGMODE | CONF2_PHY_GPIOMODE);
 237         devconf2 |=  CONF2_REFFREQ_13MHZ | CONF2_SESENDEN | CONF2_VBDTCTEN
 238                         | CONF2_DATPOL;
 239
 240         omap_ctrl_writel(devconf2, AM35XX_CONTROL_DEVCONF2);
 241
 242         usb_musb_init(&musb_board_data);
 243 }
 244
 245 static __init void am3517_evm_mcbsp1_init(void)
 246 {
 247         u32 devconf0;
 248
 249         /* McBSP1 CLKR/FSR signal to be connected to CLKX/FSX pin */
 250         devconf0 = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
 251         devconf0 |=  OMAP2_MCBSP1_CLKR_MASK | OMAP2_MCBSP1_FSR_MASK;
 252         omap_ctrl_writel(devconf0, OMAP2_CONTROL_DEVCONF0);
 253 }
 254
 255 static struct usbhs_phy_data phy_data[] __initdata = {
 256         {
 257                 .port = 1,
 258                 .reset_gpio = 57,
 259                 .vcc_gpio = -EINVAL,
 260         },
 261 };
 262
 263 static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
 264         .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
 265         .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
 266 };
 267
 268 #ifdef CONFIG_OMAP_MUX
 269 static struct omap_board_mux board_mux[] __initdata = {
 270         /* USB OTG DRVVBUS offset = 0x212 */
 271         OMAP3_MUX(SAD2D_MCAD23, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
 272         { .reg_offset = OMAP_MUX_TERMINATOR },
 273 };
 274 #endif
 275
 276
 277 static struct resource am3517_hecc_resources[] = {
 278         {
 279                 .start  = AM35XX_IPSS_HECC_BASE,
 280                 .end    = AM35XX_IPSS_HECC_BASE + 0x3FFF,
 281                 .flags  = IORESOURCE_MEM,
 282         },
 283         {
 284                 .start  = 24 + OMAP_INTC_START,
 285                 .flags  = IORESOURCE_IRQ,
 286         },
 287 };
 288
 289 static struct platform_device am3517_hecc_device = {
 290         .name           = "ti_hecc",
 291         .id             = -1,
 292         .num_resources  = ARRAY_SIZE(am3517_hecc_resources),
 293         .resource       = am3517_hecc_resources,
 294 };
 295
 296 static struct ti_hecc_platform_data am3517_evm_hecc_pdata = {
 297         .scc_hecc_offset        = AM35XX_HECC_SCC_HECC_OFFSET,
 298         .scc_ram_offset         = AM35XX_HECC_SCC_RAM_OFFSET,
 299         .hecc_ram_offset        = AM35XX_HECC_RAM_OFFSET,
 300         .mbx_offset             = AM35XX_HECC_MBOX_OFFSET,
 301         .int_line               = AM35XX_HECC_INT_LINE,
 302         .version                = AM35XX_HECC_VERSION,
 303 };
 304
 305 static void am3517_evm_hecc_init(struct ti_hecc_platform_data *pdata)
 306 {
 307         am3517_hecc_device.dev.platform_data = pdata;
 308         platform_device_register(&am3517_hecc_device);
 309 }
 310
 311 static struct omap2_hsmmc_info mmc[] = {
 312         {
 313                 .mmc            = 1,
 314                 .caps           = MMC_CAP_4_BIT_DATA,
 315                 .gpio_cd        = 127,
 316                 .gpio_wp        = 126,
 317         },
 318         {
 319                 .mmc            = 2,
 320                 .caps           = MMC_CAP_4_BIT_DATA,
 321                 .gpio_cd        = 128,
 322                 .gpio_wp        = 129,
 323         },
 324         {}      /* Terminator */
 325 };
 326
 327 static void __init am3517_evm_init(void)
 328 {
 329         omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
 330
 331         am3517_evm_i2c_init();
 332
 333         am3517_evm_display_init();
 334
 335         omap_serial_init();
 336         omap_sdrc_init(NULL, NULL);
 337
 338         /* Configure GPIO for EHCI port */
 339         omap_mux_init_gpio(57, OMAP_PIN_OUTPUT);
 340
 341         usbhs_init_phys(phy_data, ARRAY_SIZE(phy_data));
 342         usbhs_init(&usbhs_bdata);
 343         am3517_evm_hecc_init(&am3517_evm_hecc_pdata);
 344
 345         /* RTC - S35390A */
 346         am3517_evm_rtc_init();
 347
 348         i2c_register_board_info(1, am3517evm_i2c1_boardinfo,
 349                                 ARRAY_SIZE(am3517evm_i2c1_boardinfo));
 350         /*Ethernet*/
 351         am35xx_emac_init(AM35XX_DEFAULT_MDIO_FREQUENCY, 1);
 352
 353         /* MUSB */
 354         am3517_evm_musb_init();
 355
 356         /* McBSP1 */
 357         am3517_evm_mcbsp1_init();
 358
 359         /* MMC init function */
 360         omap_hsmmc_init(mmc);
 361 }
 362
 363 MACHINE_START(OMAP3517EVM, "OMAP3517/AM3517 EVM")
 364         .atag_offset    = 0x100,
 365         .reserve        = omap_reserve,
 366         .map_io         = omap3_map_io,
 367         .init_early     = am35xx_init_early,
 368         .init_irq       = omap3_init_irq,
 369         .handle_irq     = omap3_intc_handle_irq,
 370         .init_machine   = am3517_evm_init,
 371         .init_late      = am35xx_init_late,
 372         .init_time      = omap3_sync32k_timer_init,
 373         .restart        = omap3xxx_restart,
 374 MACHINE_END