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/i2c/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 struct panel_generic_dpi_data lcd_panel = {
 124         .name                   = "sharp_lq",
 125         .num_gpios              = 3,
 126         .gpios                  = {
 127                 LCD_PANEL_PWR,
 128                 LCD_PANEL_BKLIGHT_PWR,
 129                 LCD_PANEL_PWM,
 130         },
 131 };
 132
 133 static struct omap_dss_device am3517_evm_lcd_device = {
 134         .type                   = OMAP_DISPLAY_TYPE_DPI,
 135         .name                   = "lcd",
 136         .driver_name            = "generic_dpi_panel",
 137         .data                   = &lcd_panel,
 138         .phy.dpi.data_lines     = 16,
 139 };
 140
 141 static int am3517_evm_panel_enable_tv(struct omap_dss_device *dssdev)
 142 {
 143         return 0;
 144 }
 145
 146 static void am3517_evm_panel_disable_tv(struct omap_dss_device *dssdev)
 147 {
 148 }
 149
 150 static struct omap_dss_device am3517_evm_tv_device = {
 151         .type                   = OMAP_DISPLAY_TYPE_VENC,
 152         .name                   = "tv",
 153         .driver_name            = "venc",
 154         .phy.venc.type          = OMAP_DSS_VENC_TYPE_SVIDEO,
 155         .platform_enable        = am3517_evm_panel_enable_tv,
 156         .platform_disable       = am3517_evm_panel_disable_tv,
 157 };
 158
 159 static struct tfp410_platform_data dvi_panel = {
 160         .power_down_gpio        = -1,
 161         .i2c_bus_num            = -1,
 162 };
 163
 164 static struct omap_dss_device am3517_evm_dvi_device = {
 165         .type                   = OMAP_DISPLAY_TYPE_DPI,
 166         .name                   = "dvi",
 167         .driver_name            = "tfp410",
 168         .data                   = &dvi_panel,
 169         .phy.dpi.data_lines     = 24,
 170 };
 171
 172 static struct omap_dss_device *am3517_evm_dss_devices[] = {
 173         &am3517_evm_lcd_device,
 174         &am3517_evm_tv_device,
 175         &am3517_evm_dvi_device,
 176 };
 177
 178 static struct omap_dss_board_info am3517_evm_dss_data = {
 179         .num_devices    = ARRAY_SIZE(am3517_evm_dss_devices),
 180         .devices        = am3517_evm_dss_devices,
 181         .default_device = &am3517_evm_lcd_device,
 182 };
 183
 184 /*
 185  * Board initialization
 186  */
 187
 188 static struct omap_musb_board_data musb_board_data = {
 189         .interface_type         = MUSB_INTERFACE_ULPI,
 190         .mode                   = MUSB_OTG,
 191         .power                  = 500,
 192         .set_phy_power          = am35x_musb_phy_power,
 193         .clear_irq              = am35x_musb_clear_irq,
 194         .set_mode               = am35x_set_mode,
 195         .reset                  = am35x_musb_reset,
 196 };
 197
 198 static __init void am3517_evm_musb_init(void)
 199 {
 200         u32 devconf2;
 201
 202         /*
 203          * Set up USB clock/mode in the DEVCONF2 register.
 204          */
 205         devconf2 = omap_ctrl_readl(AM35XX_CONTROL_DEVCONF2);
 206
 207         /* USB2.0 PHY reference clock is 13 MHz */
 208         devconf2 &= ~(CONF2_REFFREQ | CONF2_OTGMODE | CONF2_PHY_GPIOMODE);
 209         devconf2 |=  CONF2_REFFREQ_13MHZ | CONF2_SESENDEN | CONF2_VBDTCTEN
 210                         | CONF2_DATPOL;
 211
 212         omap_ctrl_writel(devconf2, AM35XX_CONTROL_DEVCONF2);
 213
 214         usb_musb_init(&musb_board_data);
 215 }
 216
 217 static __init void am3517_evm_mcbsp1_init(void)
 218 {
 219         u32 devconf0;
 220
 221         /* McBSP1 CLKR/FSR signal to be connected to CLKX/FSX pin */
 222         devconf0 = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
 223         devconf0 |=  OMAP2_MCBSP1_CLKR_MASK | OMAP2_MCBSP1_FSR_MASK;
 224         omap_ctrl_writel(devconf0, OMAP2_CONTROL_DEVCONF0);
 225 }
 226
 227 static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
 228         .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
 229 #if defined(CONFIG_PANEL_SHARP_LQ043T1DG01) || \
 230                 defined(CONFIG_PANEL_SHARP_LQ043T1DG01_MODULE)
 231         .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
 232 #else
 233         .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
 234 #endif
 235         .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
 236
 237         .phy_reset  = true,
 238         .reset_gpio_port[0]  = 57,
 239         .reset_gpio_port[1]  = -EINVAL,
 240         .reset_gpio_port[2]  = -EINVAL
 241 };
 242
 243 #ifdef CONFIG_OMAP_MUX
 244 static struct omap_board_mux board_mux[] __initdata = {
 245         /* USB OTG DRVVBUS offset = 0x212 */
 246         OMAP3_MUX(SAD2D_MCAD23, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
 247         { .reg_offset = OMAP_MUX_TERMINATOR },
 248 };
 249 #endif
 250
 251
 252 static struct resource am3517_hecc_resources[] = {
 253         {
 254                 .start  = AM35XX_IPSS_HECC_BASE,
 255                 .end    = AM35XX_IPSS_HECC_BASE + 0x3FFF,
 256                 .flags  = IORESOURCE_MEM,
 257         },
 258         {
 259                 .start  = 24 + OMAP_INTC_START,
 260                 .flags  = IORESOURCE_IRQ,
 261         },
 262 };
 263
 264 static struct platform_device am3517_hecc_device = {
 265         .name           = "ti_hecc",
 266         .id             = -1,
 267         .num_resources  = ARRAY_SIZE(am3517_hecc_resources),
 268         .resource       = am3517_hecc_resources,
 269 };
 270
 271 static struct ti_hecc_platform_data am3517_evm_hecc_pdata = {
 272         .scc_hecc_offset        = AM35XX_HECC_SCC_HECC_OFFSET,
 273         .scc_ram_offset         = AM35XX_HECC_SCC_RAM_OFFSET,
 274         .hecc_ram_offset        = AM35XX_HECC_RAM_OFFSET,
 275         .mbx_offset             = AM35XX_HECC_MBOX_OFFSET,
 276         .int_line               = AM35XX_HECC_INT_LINE,
 277         .version                = AM35XX_HECC_VERSION,
 278 };
 279
 280 static void am3517_evm_hecc_init(struct ti_hecc_platform_data *pdata)
 281 {
 282         am3517_hecc_device.dev.platform_data = pdata;
 283         platform_device_register(&am3517_hecc_device);
 284 }
 285
 286 static struct omap2_hsmmc_info mmc[] = {
 287         {
 288                 .mmc            = 1,
 289                 .caps           = MMC_CAP_4_BIT_DATA,
 290                 .gpio_cd        = 127,
 291                 .gpio_wp        = 126,
 292         },
 293         {
 294                 .mmc            = 2,
 295                 .caps           = MMC_CAP_4_BIT_DATA,
 296                 .gpio_cd        = 128,
 297                 .gpio_wp        = 129,
 298         },
 299         {}      /* Terminator */
 300 };
 301
 302
 303 static void __init am3517_evm_init(void)
 304 {
 305         omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
 306
 307         am3517_evm_i2c_init();
 308         omap_display_init(&am3517_evm_dss_data);
 309         omap_serial_init();
 310         omap_sdrc_init(NULL, NULL);
 311
 312         /* Configure GPIO for EHCI port */
 313         omap_mux_init_gpio(57, OMAP_PIN_OUTPUT);
 314         usbhs_init(&usbhs_bdata);
 315         am3517_evm_hecc_init(&am3517_evm_hecc_pdata);
 316
 317         /* RTC - S35390A */
 318         am3517_evm_rtc_init();
 319
 320         i2c_register_board_info(1, am3517evm_i2c1_boardinfo,
 321                                 ARRAY_SIZE(am3517evm_i2c1_boardinfo));
 322         /*Ethernet*/
 323         am35xx_emac_init(AM35XX_DEFAULT_MDIO_FREQUENCY, 1);
 324
 325         /* MUSB */
 326         am3517_evm_musb_init();
 327
 328         /* McBSP1 */
 329         am3517_evm_mcbsp1_init();
 330
 331         /* MMC init function */
 332         omap_hsmmc_init(mmc);
 333 }
 334
 335 MACHINE_START(OMAP3517EVM, "OMAP3517/AM3517 EVM")
 336         .atag_offset    = 0x100,
 337         .reserve        = omap_reserve,
 338         .map_io         = omap3_map_io,
 339         .init_early     = am35xx_init_early,
 340         .init_irq       = omap3_init_irq,
 341         .handle_irq     = omap3_intc_handle_irq,
 342         .init_machine   = am3517_evm_init,
 343         .init_late      = am35xx_init_late,
 344         .init_time      = omap3_sync32k_timer_init,
 345         .restart        = omap3xxx_restart,
 346 MACHINE_END