| /* |
| * board-overo.c (Gumstix Overo) |
| * |
| * Initial code: Steve Sakoman <steve@sakoman.com> |
| * |
| * 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 <linux/clk.h> |
| #include <linux/delay.h> |
| #include <linux/err.h> |
| #include <linux/init.h> |
| #include <linux/io.h> |
| #include <linux/gpio.h> |
| #include <linux/kernel.h> |
| #include <linux/platform_device.h> |
| #include <linux/i2c/twl.h> |
| #include <linux/regulator/machine.h> |
| #include <linux/regulator/fixed.h> |
| #include <linux/spi/spi.h> |
| |
| #include <linux/mtd/mtd.h> |
| #include <linux/mtd/nand.h> |
| #include <linux/mtd/partitions.h> |
| #include <linux/mmc/host.h> |
| |
| #include <asm/mach-types.h> |
| #include <asm/mach/arch.h> |
| #include <asm/mach/flash.h> |
| #include <asm/mach/map.h> |
| |
| #include <plat/board.h> |
| #include <plat/common.h> |
| #include <video/omapdss.h> |
| #include <video/omap-panel-generic-dpi.h> |
| #include <plat/gpmc.h> |
| #include <mach/hardware.h> |
| #include <plat/nand.h> |
| #include <plat/mcspi.h> |
| #include <plat/mux.h> |
| #include <plat/usb.h> |
| |
| #include "mux.h" |
| #include "sdram-micron-mt46h32m32lf-6.h" |
| #include "hsmmc.h" |
| #include "common-board-devices.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 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) |
| |
| /* 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 = ARRAY_SIZE(ads7846_supply), |
| .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) |
| { |
| omap_ads7846_init(1, OVERO_GPIO_PENDOWN, 0, NULL); |
| 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 <linux/smsc911x.h> |
| #include <plat/gpmc-smsc911x.h> |
| |
| static struct omap_smsc911x_platform_data smsc911x_cfg = { |
| .id = 0, |
| .cs = OVERO_SMSC911X_CS, |
| .gpio_irq = OVERO_SMSC911X_GPIO, |
| .gpio_reset = -EINVAL, |
| .flags = SMSC911X_USE_32BIT, |
| }; |
| |
| static struct omap_smsc911x_platform_data smsc911x2_cfg = { |
| .id = 1, |
| .cs = OVERO_SMSC911X2_CS, |
| .gpio_irq = OVERO_SMSC911X2_GPIO, |
| .gpio_reset = -EINVAL, |
| .flags = SMSC911X_USE_32BIT, |
| }; |
| |
| static void __init overo_init_smsc911x(void) |
| { |
| gpmc_smsc911x_init(&smsc911x_cfg); |
| gpmc_smsc911x_init(&smsc911x2_cfg); |
| } |
| |
| #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 struct gpio overo_dss_gpios[] __initdata = { |
| { OVERO_GPIO_LCD_EN, GPIOF_OUT_INIT_HIGH, "OVERO_GPIO_LCD_EN" }, |
| { OVERO_GPIO_LCD_BL, GPIOF_OUT_INIT_HIGH, "OVERO_GPIO_LCD_BL" }, |
| }; |
| |
| static void __init overo_display_init(void) |
| { |
| if (gpio_request_array(overo_dss_gpios, ARRAY_SIZE(overo_dss_gpios))) { |
| printk(KERN_ERR "could not obtain DSS control GPIOs\n"); |
| return; |
| } |
| |
| gpio_export(OVERO_GPIO_LCD_EN, 0); |
| gpio_export(OVERO_GPIO_LCD_BL, 0); |
| } |
| |
| 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 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[] = { |
| REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"), |
| }; |
| |
| #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) |
| #include <linux/leds.h> |
| |
| 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 <linux/input.h> |
| #include <linux/gpio_keys.h> |
| |
| 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); |
| |
| #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 = ARRAY_SIZE(overo_vmmc1_supply), |
| .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 = ARRAY_SIZE(overo_vdda_dac_supply), |
| .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 int __init overo_i2c_init(void) |
| { |
| omap3_pmic_init("tps65950", &overo_twldata); |
| /* 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_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 gpio overo_bt_gpios[] __initdata = { |
| { OVERO_GPIO_BT_XGATE, GPIOF_OUT_INIT_LOW, "lcd enable" }, |
| { OVERO_GPIO_BT_NRESET, GPIOF_OUT_INIT_HIGH, "lcd bl enable" }, |
| }; |
| |
| static void __init overo_init(void) |
| { |
| int ret; |
| |
| omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); |
| overo_i2c_init(); |
| omap_display_init(&overo_dss_data); |
| omap_serial_init(); |
| omap_nand_flash_init(0, overo_nand_partitions, |
| ARRAY_SIZE(overo_nand_partitions)); |
| usb_musb_init(NULL); |
| usbhs_init(&usbhs_bdata); |
| overo_spi_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); |
| |
| ret = gpio_request_one(OVERO_GPIO_W2W_NRESET, GPIOF_OUT_INIT_HIGH, |
| "OVERO_GPIO_W2W_NRESET"); |
| if (ret == 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"); |
| } |
| |
| ret = gpio_request_array(overo_bt_gpios, ARRAY_SIZE(overo_bt_gpios)); |
| if (ret) { |
| pr_err("%s: could not obtain BT gpios\n", __func__); |
| } else { |
| gpio_export(OVERO_GPIO_BT_XGATE, 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); |
| } |
| |
| ret = gpio_request_one(OVERO_GPIO_USBH_CPEN, GPIOF_OUT_INIT_HIGH, |
| "OVERO_GPIO_USBH_CPEN"); |
| if (ret == 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 = omap3_init_irq, |
| .init_machine = overo_init, |
| .timer = &omap3_timer, |
| MACHINE_END |