/* * board-overo.c (Gumstix Overo) * * Initial code: Steve Sakoman * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * version 2 as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA * */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "mux.h" #include "sdram-micron-mt46h32m32lf-6.h" #include "hsmmc.h" #define OVERO_GPIO_BT_XGATE 15 #define OVERO_GPIO_W2W_NRESET 16 #define OVERO_GPIO_PENDOWN 114 #define OVERO_GPIO_BT_NRESET 164 #define OVERO_GPIO_USBH_CPEN 168 #define OVERO_GPIO_USBH_NRESET 183 #define NAND_BLOCK_SIZE SZ_128K #define OVERO_SMSC911X_CS 5 #define OVERO_SMSC911X_GPIO 176 #define OVERO_SMSC911X2_CS 4 #define OVERO_SMSC911X2_GPIO 65 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || \ defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) #include static struct omap2_mcspi_device_config ads7846_mcspi_config = { .turbo_mode = 0, .single_channel = 1, /* 0: slave, 1: master */ }; static int ads7846_get_pendown_state(void) { return !gpio_get_value(OVERO_GPIO_PENDOWN); } static struct ads7846_platform_data ads7846_config = { .x_max = 0x0fff, .y_max = 0x0fff, .x_plate_ohms = 180, .pressure_max = 255, .debounce_max = 10, .debounce_tol = 3, .debounce_rep = 1, .get_pendown_state = ads7846_get_pendown_state, .keep_vref_on = 1, }; /* fixed regulator for ads7846 */ static struct regulator_consumer_supply ads7846_supply = REGULATOR_SUPPLY("vcc", "spi1.0"); static struct regulator_init_data vads7846_regulator = { .constraints = { .valid_ops_mask = REGULATOR_CHANGE_STATUS, }, .num_consumer_supplies = 1, .consumer_supplies = &ads7846_supply, }; static struct fixed_voltage_config vads7846 = { .supply_name = "vads7846", .microvolts = 3300000, /* 3.3V */ .gpio = -EINVAL, .startup_delay = 0, .init_data = &vads7846_regulator, }; static struct platform_device vads7846_device = { .name = "reg-fixed-voltage", .id = 1, .dev = { .platform_data = &vads7846, }, }; static void __init overo_ads7846_init(void) { if ((gpio_request(OVERO_GPIO_PENDOWN, "ADS7846_PENDOWN") == 0) && (gpio_direction_input(OVERO_GPIO_PENDOWN) == 0)) { gpio_export(OVERO_GPIO_PENDOWN, 0); } else { printk(KERN_ERR "could not obtain gpio for ADS7846_PENDOWN\n"); return; } platform_device_register(&vads7846_device); } #else static inline void __init overo_ads7846_init(void) { return; } #endif #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE) #include static struct resource overo_smsc911x_resources[] = { { .name = "smsc911x-memory", .flags = IORESOURCE_MEM, }, { .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL, }, }; static struct resource overo_smsc911x2_resources[] = { { .name = "smsc911x2-memory", .flags = IORESOURCE_MEM, }, { .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL, }, }; static struct smsc911x_platform_config overo_smsc911x_config = { .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN, .flags = SMSC911X_USE_32BIT , .phy_interface = PHY_INTERFACE_MODE_MII, }; static struct platform_device overo_smsc911x_device = { .name = "smsc911x", .id = 0, .num_resources = ARRAY_SIZE(overo_smsc911x_resources), .resource = overo_smsc911x_resources, .dev = { .platform_data = &overo_smsc911x_config, }, }; static struct platform_device overo_smsc911x2_device = { .name = "smsc911x", .id = 1, .num_resources = ARRAY_SIZE(overo_smsc911x2_resources), .resource = overo_smsc911x2_resources, .dev = { .platform_data = &overo_smsc911x_config, }, }; static struct platform_device *smsc911x_devices[] = { &overo_smsc911x_device, &overo_smsc911x2_device, }; static inline void __init overo_init_smsc911x(void) { unsigned long cs_mem_base, cs_mem_base2; /* set up first smsc911x chip */ if (gpmc_cs_request(OVERO_SMSC911X_CS, SZ_16M, &cs_mem_base) < 0) { printk(KERN_ERR "Failed request for GPMC mem for smsc911x\n"); return; } overo_smsc911x_resources[0].start = cs_mem_base + 0x0; overo_smsc911x_resources[0].end = cs_mem_base + 0xff; if ((gpio_request(OVERO_SMSC911X_GPIO, "SMSC911X IRQ") == 0) && (gpio_direction_input(OVERO_SMSC911X_GPIO) == 0)) { gpio_export(OVERO_SMSC911X_GPIO, 0); } else { printk(KERN_ERR "could not obtain gpio for SMSC911X IRQ\n"); return; } overo_smsc911x_resources[1].start = OMAP_GPIO_IRQ(OVERO_SMSC911X_GPIO); overo_smsc911x_resources[1].end = 0; /* set up second smsc911x chip */ if (gpmc_cs_request(OVERO_SMSC911X2_CS, SZ_16M, &cs_mem_base2) < 0) { printk(KERN_ERR "Failed request for GPMC mem for smsc911x2\n"); return; } overo_smsc911x2_resources[0].start = cs_mem_base2 + 0x0; overo_smsc911x2_resources[0].end = cs_mem_base2 + 0xff; if ((gpio_request(OVERO_SMSC911X2_GPIO, "SMSC911X2 IRQ") == 0) && (gpio_direction_input(OVERO_SMSC911X2_GPIO) == 0)) { gpio_export(OVERO_SMSC911X2_GPIO, 0); } else { printk(KERN_ERR "could not obtain gpio for SMSC911X2 IRQ\n"); return; } overo_smsc911x2_resources[1].start = OMAP_GPIO_IRQ(OVERO_SMSC911X2_GPIO); overo_smsc911x2_resources[1].end = 0; platform_add_devices(smsc911x_devices, ARRAY_SIZE(smsc911x_devices)); } #else static inline void __init overo_init_smsc911x(void) { return; } #endif /* DSS */ static int lcd_enabled; static int dvi_enabled; #define OVERO_GPIO_LCD_EN 144 #define OVERO_GPIO_LCD_BL 145 static void __init overo_display_init(void) { if ((gpio_request(OVERO_GPIO_LCD_EN, "OVERO_GPIO_LCD_EN") == 0) && (gpio_direction_output(OVERO_GPIO_LCD_EN, 1) == 0)) gpio_export(OVERO_GPIO_LCD_EN, 0); else printk(KERN_ERR "could not obtain gpio for " "OVERO_GPIO_LCD_EN\n"); if ((gpio_request(OVERO_GPIO_LCD_BL, "OVERO_GPIO_LCD_BL") == 0) && (gpio_direction_output(OVERO_GPIO_LCD_BL, 1) == 0)) gpio_export(OVERO_GPIO_LCD_BL, 0); else printk(KERN_ERR "could not obtain gpio for " "OVERO_GPIO_LCD_BL\n"); } static int overo_panel_enable_dvi(struct omap_dss_device *dssdev) { if (lcd_enabled) { printk(KERN_ERR "cannot enable DVI, LCD is enabled\n"); return -EINVAL; } dvi_enabled = 1; return 0; } static void overo_panel_disable_dvi(struct omap_dss_device *dssdev) { dvi_enabled = 0; } static struct panel_generic_dpi_data dvi_panel = { .name = "generic", .platform_enable = overo_panel_enable_dvi, .platform_disable = overo_panel_disable_dvi, }; static struct omap_dss_device overo_dvi_device = { .name = "dvi", .type = OMAP_DISPLAY_TYPE_DPI, .driver_name = "generic_dpi_panel", .data = &dvi_panel, .phy.dpi.data_lines = 24, }; static struct omap_dss_device overo_tv_device = { .name = "tv", .driver_name = "venc", .type = OMAP_DISPLAY_TYPE_VENC, .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO, }; static int overo_panel_enable_lcd(struct omap_dss_device *dssdev) { if (dvi_enabled) { printk(KERN_ERR "cannot enable LCD, DVI is enabled\n"); return -EINVAL; } gpio_set_value(OVERO_GPIO_LCD_EN, 1); gpio_set_value(OVERO_GPIO_LCD_BL, 1); lcd_enabled = 1; return 0; } static void overo_panel_disable_lcd(struct omap_dss_device *dssdev) { gpio_set_value(OVERO_GPIO_LCD_EN, 0); gpio_set_value(OVERO_GPIO_LCD_BL, 0); lcd_enabled = 0; } static struct panel_generic_dpi_data lcd43_panel = { .name = "samsung_lte430wq_f0c", .platform_enable = overo_panel_enable_lcd, .platform_disable = overo_panel_disable_lcd, }; static struct omap_dss_device overo_lcd43_device = { .name = "lcd43", .type = OMAP_DISPLAY_TYPE_DPI, .driver_name = "generic_dpi_panel", .data = &lcd43_panel, .phy.dpi.data_lines = 24, }; #if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \ defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE) static struct omap_dss_device overo_lcd35_device = { .type = OMAP_DISPLAY_TYPE_DPI, .name = "lcd35", .driver_name = "lgphilips_lb035q02_panel", .phy.dpi.data_lines = 24, .platform_enable = overo_panel_enable_lcd, .platform_disable = overo_panel_disable_lcd, }; #endif static struct omap_dss_device *overo_dss_devices[] = { &overo_dvi_device, &overo_tv_device, #if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \ defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE) &overo_lcd35_device, #endif &overo_lcd43_device, }; static struct omap_dss_board_info overo_dss_data = { .num_devices = ARRAY_SIZE(overo_dss_devices), .devices = overo_dss_devices, .default_device = &overo_dvi_device, }; static struct regulator_consumer_supply overo_vdda_dac_supply = REGULATOR_SUPPLY("vdda_dac", "omapdss_venc"); static struct regulator_consumer_supply overo_vdds_dsi_supply[] = { REGULATOR_SUPPLY("vdds_dsi", "omapdss"), REGULATOR_SUPPLY("vdds_dsi", "omapdss_dsi1"), }; static struct mtd_partition overo_nand_partitions[] = { { .name = "xloader", .offset = 0, /* Offset = 0x00000 */ .size = 4 * NAND_BLOCK_SIZE, .mask_flags = MTD_WRITEABLE }, { .name = "uboot", .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */ .size = 14 * NAND_BLOCK_SIZE, }, { .name = "uboot environment", .offset = MTDPART_OFS_APPEND, /* Offset = 0x240000 */ .size = 2 * NAND_BLOCK_SIZE, }, { .name = "linux", .offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */ .size = 32 * NAND_BLOCK_SIZE, }, { .name = "rootfs", .offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */ .size = MTDPART_SIZ_FULL, }, }; static struct omap_nand_platform_data overo_nand_data = { .parts = overo_nand_partitions, .nr_parts = ARRAY_SIZE(overo_nand_partitions), .dma_channel = -1, /* disable DMA in OMAP NAND driver */ }; static void __init overo_flash_init(void) { u8 cs = 0; u8 nandcs = GPMC_CS_NUM + 1; /* find out the chip-select on which NAND exists */ while (cs < GPMC_CS_NUM) { u32 ret = 0; ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1); if ((ret & 0xC00) == 0x800) { printk(KERN_INFO "Found NAND on CS%d\n", cs); if (nandcs > GPMC_CS_NUM) nandcs = cs; } cs++; } if (nandcs > GPMC_CS_NUM) { printk(KERN_INFO "NAND: Unable to find configuration " "in GPMC\n "); return; } if (nandcs < GPMC_CS_NUM) { overo_nand_data.cs = nandcs; printk(KERN_INFO "Registering NAND on CS%d\n", nandcs); if (gpmc_nand_init(&overo_nand_data) < 0) printk(KERN_ERR "Unable to register NAND device\n"); } } static struct omap2_hsmmc_info mmc[] = { { .mmc = 1, .caps = MMC_CAP_4_BIT_DATA, .gpio_cd = -EINVAL, .gpio_wp = -EINVAL, }, { .mmc = 2, .caps = MMC_CAP_4_BIT_DATA, .gpio_cd = -EINVAL, .gpio_wp = -EINVAL, .transceiver = true, .ocr_mask = 0x00100000, /* 3.3V */ }, {} /* Terminator */ }; static struct regulator_consumer_supply overo_vmmc1_supply = { .supply = "vmmc", }; #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) #include static struct gpio_led gpio_leds[] = { { .name = "overo:red:gpio21", .default_trigger = "heartbeat", .gpio = 21, .active_low = true, }, { .name = "overo:blue:gpio22", .default_trigger = "none", .gpio = 22, .active_low = true, }, { .name = "overo:blue:COM", .default_trigger = "mmc0", .gpio = -EINVAL, /* gets replaced */ .active_low = true, }, }; static struct gpio_led_platform_data gpio_leds_pdata = { .leds = gpio_leds, .num_leds = ARRAY_SIZE(gpio_leds), }; static struct platform_device gpio_leds_device = { .name = "leds-gpio", .id = -1, .dev = { .platform_data = &gpio_leds_pdata, }, }; static void __init overo_init_led(void) { platform_device_register(&gpio_leds_device); } #else static inline void __init overo_init_led(void) { return; } #endif #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) #include #include static struct gpio_keys_button gpio_buttons[] = { { .code = BTN_0, .gpio = 23, .desc = "button0", .wakeup = 1, }, { .code = BTN_1, .gpio = 14, .desc = "button1", .wakeup = 1, }, }; static struct gpio_keys_platform_data gpio_keys_pdata = { .buttons = gpio_buttons, .nbuttons = ARRAY_SIZE(gpio_buttons), }; static struct platform_device gpio_keys_device = { .name = "gpio-keys", .id = -1, .dev = { .platform_data = &gpio_keys_pdata, }, }; static void __init overo_init_keys(void) { platform_device_register(&gpio_keys_device); } #else static inline void __init overo_init_keys(void) { return; } #endif static int overo_twl_gpio_setup(struct device *dev, unsigned gpio, unsigned ngpio) { omap2_hsmmc_init(mmc); overo_vmmc1_supply.dev = mmc[0].dev; #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */ gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1; #endif return 0; } static struct twl4030_gpio_platform_data overo_gpio_data = { .gpio_base = OMAP_MAX_GPIO_LINES, .irq_base = TWL4030_GPIO_IRQ_BASE, .irq_end = TWL4030_GPIO_IRQ_END, .use_leds = true, .setup = overo_twl_gpio_setup, }; static struct twl4030_usb_data overo_usb_data = { .usb_mode = T2_USB_MODE_ULPI, }; static struct regulator_init_data overo_vmmc1 = { .constraints = { .min_uV = 1850000, .max_uV = 3150000, .valid_modes_mask = REGULATOR_MODE_NORMAL | REGULATOR_MODE_STANDBY, .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, }, .num_consumer_supplies = 1, .consumer_supplies = &overo_vmmc1_supply, }; /* VDAC for DSS driving S-Video (8 mA unloaded, max 65 mA) */ static struct regulator_init_data overo_vdac = { .constraints = { .min_uV = 1800000, .max_uV = 1800000, .valid_modes_mask = REGULATOR_MODE_NORMAL | REGULATOR_MODE_STANDBY, .valid_ops_mask = REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, }, .num_consumer_supplies = 1, .consumer_supplies = &overo_vdda_dac_supply, }; /* VPLL2 for digital video outputs */ static struct regulator_init_data overo_vpll2 = { .constraints = { .name = "VDVI", .min_uV = 1800000, .max_uV = 1800000, .valid_modes_mask = REGULATOR_MODE_NORMAL | REGULATOR_MODE_STANDBY, .valid_ops_mask = REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, }, .num_consumer_supplies = ARRAY_SIZE(overo_vdds_dsi_supply), .consumer_supplies = overo_vdds_dsi_supply, }; static struct twl4030_codec_audio_data overo_audio_data; static struct twl4030_codec_data overo_codec_data = { .audio_mclk = 26000000, .audio = &overo_audio_data, }; static struct twl4030_platform_data overo_twldata = { .irq_base = TWL4030_IRQ_BASE, .irq_end = TWL4030_IRQ_END, .gpio = &overo_gpio_data, .usb = &overo_usb_data, .codec = &overo_codec_data, .vmmc1 = &overo_vmmc1, .vdac = &overo_vdac, .vpll2 = &overo_vpll2, }; static struct i2c_board_info __initdata overo_i2c_boardinfo[] = { { I2C_BOARD_INFO("tps65950", 0x48), .flags = I2C_CLIENT_WAKE, .irq = INT_34XX_SYS_NIRQ, .platform_data = &overo_twldata, }, }; static int __init overo_i2c_init(void) { omap_register_i2c_bus(1, 2600, overo_i2c_boardinfo, ARRAY_SIZE(overo_i2c_boardinfo)); /* i2c2 pins are used for gpio */ omap_register_i2c_bus(3, 400, NULL, 0); return 0; } static struct spi_board_info overo_spi_board_info[] __initdata = { #if defined(CONFIG_TOUCHSCREEN_ADS7846) || \ defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) { .modalias = "ads7846", .bus_num = 1, .chip_select = 0, .max_speed_hz = 1500000, .controller_data = &ads7846_mcspi_config, .irq = OMAP_GPIO_IRQ(OVERO_GPIO_PENDOWN), .platform_data = &ads7846_config, }, #endif #if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \ defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE) { .modalias = "lgphilips_lb035q02_panel-spi", .bus_num = 1, .chip_select = 1, .max_speed_hz = 500000, .mode = SPI_MODE_3, }, #endif }; static int __init overo_spi_init(void) { overo_ads7846_init(); spi_register_board_info(overo_spi_board_info, ARRAY_SIZE(overo_spi_board_info)); return 0; } static void __init overo_init_early(void) { omap2_init_common_infrastructure(); omap2_init_common_devices(mt46h32m32lf6_sdrc_params, mt46h32m32lf6_sdrc_params); } static const struct usbhs_omap_board_data usbhs_bdata __initconst = { .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED, .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY, .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED, .phy_reset = true, .reset_gpio_port[0] = -EINVAL, .reset_gpio_port[1] = OVERO_GPIO_USBH_NRESET, .reset_gpio_port[2] = -EINVAL }; #ifdef CONFIG_OMAP_MUX static struct omap_board_mux board_mux[] __initdata = { { .reg_offset = OMAP_MUX_TERMINATOR }, }; #endif static struct omap_musb_board_data musb_board_data = { .interface_type = MUSB_INTERFACE_ULPI, .mode = MUSB_OTG, .power = 100, }; static void __init overo_init(void) { omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); overo_i2c_init(); omap_display_init(&overo_dss_data); omap_serial_init(); overo_flash_init(); usb_musb_init(&musb_board_data); usbhs_init(&usbhs_bdata); overo_spi_init(); overo_ads7846_init(); overo_init_smsc911x(); overo_display_init(); overo_init_led(); overo_init_keys(); /* Ensure SDRC pins are mux'd for self-refresh */ omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT); omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT); if ((gpio_request(OVERO_GPIO_W2W_NRESET, "OVERO_GPIO_W2W_NRESET") == 0) && (gpio_direction_output(OVERO_GPIO_W2W_NRESET, 1) == 0)) { gpio_export(OVERO_GPIO_W2W_NRESET, 0); gpio_set_value(OVERO_GPIO_W2W_NRESET, 0); udelay(10); gpio_set_value(OVERO_GPIO_W2W_NRESET, 1); } else { printk(KERN_ERR "could not obtain gpio for " "OVERO_GPIO_W2W_NRESET\n"); } if ((gpio_request(OVERO_GPIO_BT_XGATE, "OVERO_GPIO_BT_XGATE") == 0) && (gpio_direction_output(OVERO_GPIO_BT_XGATE, 0) == 0)) gpio_export(OVERO_GPIO_BT_XGATE, 0); else printk(KERN_ERR "could not obtain gpio for OVERO_GPIO_BT_XGATE\n"); if ((gpio_request(OVERO_GPIO_BT_NRESET, "OVERO_GPIO_BT_NRESET") == 0) && (gpio_direction_output(OVERO_GPIO_BT_NRESET, 1) == 0)) { gpio_export(OVERO_GPIO_BT_NRESET, 0); gpio_set_value(OVERO_GPIO_BT_NRESET, 0); mdelay(6); gpio_set_value(OVERO_GPIO_BT_NRESET, 1); } else { printk(KERN_ERR "could not obtain gpio for " "OVERO_GPIO_BT_NRESET\n"); } if ((gpio_request(OVERO_GPIO_USBH_CPEN, "OVERO_GPIO_USBH_CPEN") == 0) && (gpio_direction_output(OVERO_GPIO_USBH_CPEN, 1) == 0)) gpio_export(OVERO_GPIO_USBH_CPEN, 0); else printk(KERN_ERR "could not obtain gpio for " "OVERO_GPIO_USBH_CPEN\n"); } MACHINE_START(OVERO, "Gumstix Overo") .boot_params = 0x80000100, .reserve = omap_reserve, .map_io = omap3_map_io, .init_early = overo_init_early, .init_irq = omap_init_irq, .init_machine = overo_init, .timer = &omap_timer, MACHINE_END