diff options
Diffstat (limited to 'arch/arm/mach-omap2/board-devkit8000.c')
-rw-r--r-- | arch/arm/mach-omap2/board-devkit8000.c | 691 |
1 files changed, 691 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/board-devkit8000.c b/arch/arm/mach-omap2/board-devkit8000.c new file mode 100644 index 000000000000..89a55f1d07e3 --- /dev/null +++ b/arch/arm/mach-omap2/board-devkit8000.c @@ -0,0 +1,691 @@ +/* + * board-devkit8000.c - TimLL Devkit8000 + * + * Copyright (C) 2009 Kim Botherway + * Copyright (C) 2010 Thomas Weber + * + * Modified from mach-omap2/board-omap3beagle.c + * + * Initial code: Syed Mohammed Khasim + * + * 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. + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/delay.h> +#include <linux/err.h> +#include <linux/clk.h> +#include <linux/io.h> +#include <linux/leds.h> +#include <linux/gpio.h> +#include <linux/input.h> +#include <linux/gpio_keys.h> + +#include <linux/mtd/mtd.h> +#include <linux/mtd/partitions.h> +#include <linux/mtd/nand.h> + +#include <linux/regulator/machine.h> +#include <linux/i2c/twl.h> + +#include <mach/hardware.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/flash.h> + +#include <plat/board.h> +#include <plat/common.h> +#include <plat/gpmc.h> +#include <plat/nand.h> +#include <plat/usb.h> +#include <plat/timer-gp.h> +#include <plat/display.h> + +#include <plat/mcspi.h> +#include <linux/input/matrix_keypad.h> +#include <linux/spi/spi.h> +#include <linux/spi/ads7846.h> +#include <linux/usb/otg.h> +#include <linux/dm9000.h> +#include <linux/interrupt.h> + +#include "sdram-micron-mt46h32m32lf-6.h" + +#include "mux.h" +#include "hsmmc.h" + +#define GPMC_CS0_BASE 0x60 +#define GPMC_CS_SIZE 0x30 + +#define NAND_BLOCK_SIZE SZ_128K + +#define OMAP_DM9000_GPIO_IRQ 25 +#define OMAP3_DEVKIT_TS_GPIO 27 + +static struct mtd_partition devkit8000_nand_partitions[] = { + /* All the partition sizes are listed in terms of NAND block size */ + { + .name = "X-Loader", + .offset = 0, + .size = 4 * NAND_BLOCK_SIZE, + .mask_flags = MTD_WRITEABLE, /* force read-only */ + }, + { + .name = "U-Boot", + .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */ + .size = 15 * NAND_BLOCK_SIZE, + .mask_flags = MTD_WRITEABLE, /* force read-only */ + }, + { + .name = "U-Boot Env", + .offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */ + .size = 1 * NAND_BLOCK_SIZE, + }, + { + .name = "Kernel", + .offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */ + .size = 32 * NAND_BLOCK_SIZE, + }, + { + .name = "File System", + .offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */ + .size = MTDPART_SIZ_FULL, + }, +}; + +static struct omap_nand_platform_data devkit8000_nand_data = { + .options = NAND_BUSWIDTH_16, + .parts = devkit8000_nand_partitions, + .nr_parts = ARRAY_SIZE(devkit8000_nand_partitions), + .dma_channel = -1, /* disable DMA in OMAP NAND driver */ +}; + +static struct resource devkit8000_nand_resource = { + .flags = IORESOURCE_MEM, +}; + +static struct platform_device devkit8000_nand_device = { + .name = "omap2-nand", + .id = -1, + .dev = { + .platform_data = &devkit8000_nand_data, + }, + .num_resources = 1, + .resource = &devkit8000_nand_resource, +}; + +static struct omap2_hsmmc_info mmc[] = { + { + .mmc = 1, + .wires = 8, + .gpio_wp = 29, + }, + {} /* Terminator */ +}; +static struct omap_board_config_kernel devkit8000_config[] __initdata = { +}; + +static int devkit8000_panel_enable_lcd(struct omap_dss_device *dssdev) +{ + twl_i2c_write_u8(TWL4030_MODULE_GPIO, 0x80, REG_GPIODATADIR1); + twl_i2c_write_u8(TWL4030_MODULE_LED, 0x0, 0x0); + + return 0; +} + +static void devkit8000_panel_disable_lcd(struct omap_dss_device *dssdev) +{ +} +static int devkit8000_panel_enable_dvi(struct omap_dss_device *dssdev) +{ + return 0; +} + +static void devkit8000_panel_disable_dvi(struct omap_dss_device *dssdev) +{ +} + +static int devkit8000_panel_enable_tv(struct omap_dss_device *dssdev) +{ + + return 0; +} + +static void devkit8000_panel_disable_tv(struct omap_dss_device *dssdev) +{ +} + + +static struct regulator_consumer_supply devkit8000_vmmc1_supply = { + .supply = "vmmc", +}; + +static struct regulator_consumer_supply devkit8000_vsim_supply = { + .supply = "vmmc_aux", +}; + + +static struct omap_dss_device devkit8000_lcd_device = { + .name = "lcd", + .driver_name = "innolux_at_panel", + .type = OMAP_DISPLAY_TYPE_DPI, + .phy.dpi.data_lines = 24, + .platform_enable = devkit8000_panel_enable_lcd, + .platform_disable = devkit8000_panel_disable_lcd, +}; +static struct omap_dss_device devkit8000_dvi_device = { + .name = "dvi", + .driver_name = "generic_panel", + .type = OMAP_DISPLAY_TYPE_DPI, + .phy.dpi.data_lines = 24, + .platform_enable = devkit8000_panel_enable_dvi, + .platform_disable = devkit8000_panel_disable_dvi, +}; + +static struct omap_dss_device devkit8000_tv_device = { + .name = "tv", + .driver_name = "venc", + .type = OMAP_DISPLAY_TYPE_VENC, + .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO, + .platform_enable = devkit8000_panel_enable_tv, + .platform_disable = devkit8000_panel_disable_tv, +}; + + +static struct omap_dss_device *devkit8000_dss_devices[] = { + &devkit8000_lcd_device, + &devkit8000_dvi_device, + &devkit8000_tv_device, +}; + +static struct omap_dss_board_info devkit8000_dss_data = { + .num_devices = ARRAY_SIZE(devkit8000_dss_devices), + .devices = devkit8000_dss_devices, + .default_device = &devkit8000_lcd_device, +}; + +static struct platform_device devkit8000_dss_device = { + .name = "omapdss", + .id = -1, + .dev = { + .platform_data = &devkit8000_dss_data, + }, +}; + +static struct regulator_consumer_supply devkit8000_vdda_dac_supply = { + .supply = "vdda_dac", + .dev = &devkit8000_dss_device.dev, +}; + +static int board_keymap[] = { + KEY(0, 0, KEY_1), + KEY(1, 0, KEY_2), + KEY(2, 0, KEY_3), + KEY(0, 1, KEY_4), + KEY(1, 1, KEY_5), + KEY(2, 1, KEY_6), + KEY(3, 1, KEY_F5), + KEY(0, 2, KEY_7), + KEY(1, 2, KEY_8), + KEY(2, 2, KEY_9), + KEY(3, 2, KEY_F6), + KEY(0, 3, KEY_F7), + KEY(1, 3, KEY_0), + KEY(2, 3, KEY_F8), + PERSISTENT_KEY(4, 5), + KEY(4, 4, KEY_VOLUMEUP), + KEY(5, 5, KEY_VOLUMEDOWN), + 0 +}; + +static struct matrix_keymap_data board_map_data = { + .keymap = board_keymap, + .keymap_size = ARRAY_SIZE(board_keymap), +}; + +static struct twl4030_keypad_data devkit8000_kp_data = { + .keymap_data = &board_map_data, + .rows = 6, + .cols = 6, + .rep = 1, +}; + +static struct gpio_led gpio_leds[]; + +static int devkit8000_twl_gpio_setup(struct device *dev, + unsigned gpio, unsigned ngpio) +{ + omap_mux_init_gpio(29, OMAP_PIN_INPUT); + /* gpio + 0 is "mmc0_cd" (input/IRQ) */ + mmc[0].gpio_cd = gpio + 0; + omap2_hsmmc_init(mmc); + + /* link regulators to MMC adapters */ + devkit8000_vmmc1_supply.dev = mmc[0].dev; + devkit8000_vsim_supply.dev = mmc[0].dev; + + /* REVISIT: need ehci-omap hooks for external VBUS + * power switch and overcurrent detect + */ + + gpio_request(gpio + 1, "EHCI_nOC"); + gpio_direction_input(gpio + 1); + + /* TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, active low) */ + gpio_request(gpio + TWL4030_GPIO_MAX, "nEN_USB_PWR"); + gpio_direction_output(gpio + TWL4030_GPIO_MAX, 1); + + /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */ + gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1; + + return 0; +} + +static struct twl4030_gpio_platform_data devkit8000_gpio_data = { + .gpio_base = OMAP_MAX_GPIO_LINES, + .irq_base = TWL4030_GPIO_IRQ_BASE, + .irq_end = TWL4030_GPIO_IRQ_END, + .use_leds = true, + .pullups = BIT(1), + .pulldowns = BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13) + | BIT(15) | BIT(16) | BIT(17), + .setup = devkit8000_twl_gpio_setup, +}; + +static struct regulator_consumer_supply devkit8000_vpll2_supplies[] = { + { + .supply = "vdvi", + .dev = &devkit8000_lcd_device.dev, + }, + { + .supply = "vdss_dsi", + .dev = &devkit8000_dss_device.dev, + } +}; + +/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */ +static struct regulator_init_data devkit8000_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 = &devkit8000_vmmc1_supply, +}; + +/* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */ +static struct regulator_init_data devkit8000_vsim = { + .constraints = { + .min_uV = 1800000, + .max_uV = 3000000, + .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 = &devkit8000_vsim_supply, +}; + +/* VDAC for DSS driving S-Video (8 mA unloaded, max 65 mA) */ +static struct regulator_init_data devkit8000_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 = &devkit8000_vdda_dac_supply, +}; + +/* VPLL2 for digital video outputs */ +static struct regulator_init_data devkit8000_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(devkit8000_vpll2_supplies), + .consumer_supplies = devkit8000_vpll2_supplies, +}; + +static struct twl4030_usb_data devkit8000_usb_data = { + .usb_mode = T2_USB_MODE_ULPI, +}; + +static struct twl4030_codec_audio_data devkit8000_audio_data = { + .audio_mclk = 26000000, +}; + +static struct twl4030_codec_data devkit8000_codec_data = { + .audio_mclk = 26000000, + .audio = &devkit8000_audio_data, +}; + +static struct twl4030_platform_data devkit8000_twldata = { + .irq_base = TWL4030_IRQ_BASE, + .irq_end = TWL4030_IRQ_END, + + /* platform_data for children goes here */ + .usb = &devkit8000_usb_data, + .gpio = &devkit8000_gpio_data, + .codec = &devkit8000_codec_data, + .vmmc1 = &devkit8000_vmmc1, + .vsim = &devkit8000_vsim, + .vdac = &devkit8000_vdac, + .vpll2 = &devkit8000_vpll2, + .keypad = &devkit8000_kp_data, +}; + +static struct i2c_board_info __initdata devkit8000_i2c_boardinfo[] = { + { + I2C_BOARD_INFO("twl4030", 0x48), + .flags = I2C_CLIENT_WAKE, + .irq = INT_34XX_SYS_NIRQ, + .platform_data = &devkit8000_twldata, + }, +}; + +static int __init devkit8000_i2c_init(void) +{ + omap_register_i2c_bus(1, 2600, devkit8000_i2c_boardinfo, + ARRAY_SIZE(devkit8000_i2c_boardinfo)); + /* Bus 3 is attached to the DVI port where devices like the pico DLP + * projector don't work reliably with 400kHz */ + omap_register_i2c_bus(3, 400, NULL, 0); + return 0; +} + +static struct gpio_led gpio_leds[] = { + { + .name = "led1", + .default_trigger = "heartbeat", + .gpio = 186, + .active_low = true, + }, + { + .name = "led2", + .default_trigger = "mmc0", + .gpio = 163, + .active_low = true, + }, + { + .name = "ledB", + .default_trigger = "none", + .gpio = 153, + .active_low = true, + }, + { + .name = "led3", + .default_trigger = "none", + .gpio = 164, + .active_low = true, + }, +}; + +static struct gpio_led_platform_data gpio_led_info = { + .leds = gpio_leds, + .num_leds = ARRAY_SIZE(gpio_leds), +}; + +static struct platform_device leds_gpio = { + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = &gpio_led_info, + }, +}; + +static struct gpio_keys_button gpio_buttons[] = { + { + .code = BTN_EXTRA, + .gpio = 26, + .desc = "user", + .wakeup = 1, + }, +}; + +static struct gpio_keys_platform_data gpio_key_info = { + .buttons = gpio_buttons, + .nbuttons = ARRAY_SIZE(gpio_buttons), +}; + +static struct platform_device keys_gpio = { + .name = "gpio-keys", + .id = -1, + .dev = { + .platform_data = &gpio_key_info, + }, +}; + + +static void __init devkit8000_init_irq(void) +{ + omap_board_config = devkit8000_config; + omap_board_config_size = ARRAY_SIZE(devkit8000_config); + omap2_init_common_hw(mt46h32m32lf6_sdrc_params, + mt46h32m32lf6_sdrc_params); + omap_init_irq(); +#ifdef CONFIG_OMAP_32K_TIMER + omap2_gp_clockevent_set_gptimer(12); +#endif + omap_gpio_init(); +} + +static void __init devkit8000_ads7846_init(void) +{ + int gpio = OMAP3_DEVKIT_TS_GPIO; + int ret; + + ret = gpio_request(gpio, "ads7846_pen_down"); + if (ret < 0) { + printk(KERN_ERR "Failed to request GPIO %d for " + "ads7846 pen down IRQ\n", gpio); + return; + } + + gpio_direction_input(gpio); +} + +static int ads7846_get_pendown_state(void) +{ + return !gpio_get_value(OMAP3_DEVKIT_TS_GPIO); +} + +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 = 5, + .debounce_rep = 1, + .get_pendown_state = ads7846_get_pendown_state, + .keep_vref_on = 1, + .settle_delay_usecs = 150, +}; + +static struct omap2_mcspi_device_config ads7846_mcspi_config = { + .turbo_mode = 0, + .single_channel = 1, /* 0: slave, 1: master */ +}; + +static struct spi_board_info devkit8000_spi_board_info[] __initdata = { + { + .modalias = "ads7846", + .bus_num = 2, + .chip_select = 0, + .max_speed_hz = 1500000, + .controller_data = &ads7846_mcspi_config, + .irq = OMAP_GPIO_IRQ(OMAP3_DEVKIT_TS_GPIO), + .platform_data = &ads7846_config, + } +}; + +#define OMAP_DM9000_BASE 0x2c000000 + +static struct resource omap_dm9000_resources[] = { + [0] = { + .start = OMAP_DM9000_BASE, + .end = (OMAP_DM9000_BASE + 0x4 - 1), + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = (OMAP_DM9000_BASE + 0x400), + .end = (OMAP_DM9000_BASE + 0x400 + 0x4 - 1), + .flags = IORESOURCE_MEM, + }, + [2] = { + .start = OMAP_GPIO_IRQ(OMAP_DM9000_GPIO_IRQ), + .flags = IORESOURCE_IRQ | IRQF_TRIGGER_LOW, + }, +}; + +static struct dm9000_plat_data omap_dm9000_platdata = { + .flags = DM9000_PLATF_16BITONLY, +}; + +static struct platform_device omap_dm9000_dev = { + .name = "dm9000", + .id = -1, + .num_resources = ARRAY_SIZE(omap_dm9000_resources), + .resource = omap_dm9000_resources, + .dev = { + .platform_data = &omap_dm9000_platdata, + }, +}; + +static void __init omap_dm9000_init(void) +{ + if (gpio_request(OMAP_DM9000_GPIO_IRQ, "dm9000 irq") < 0) { + printk(KERN_ERR "Failed to request GPIO%d for dm9000 IRQ\n", + OMAP_DM9000_GPIO_IRQ); + return; + } + + gpio_direction_input(OMAP_DM9000_GPIO_IRQ); +} + +static struct platform_device *devkit8000_devices[] __initdata = { + &devkit8000_dss_device, + &leds_gpio, + &keys_gpio, + &omap_dm9000_dev, +}; + +static void __init devkit8000_flash_init(void) +{ + u8 cs = 0; + u8 nandcs = GPMC_CS_NUM + 1; + + u32 gpmc_base_add = OMAP34XX_GPMC_VIRT; + + /* 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) { + devkit8000_nand_data.cs = nandcs; + devkit8000_nand_data.gpmc_cs_baseaddr = (void *) + (gpmc_base_add + GPMC_CS0_BASE + nandcs * GPMC_CS_SIZE); + devkit8000_nand_data.gpmc_baseaddr = (void *) + (gpmc_base_add); + + printk(KERN_INFO "Registering NAND on CS%d\n", nandcs); + if (platform_device_register(&devkit8000_nand_device) < 0) + printk(KERN_ERR "Unable to register NAND device\n"); + } +} + +static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = { + + .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY, + .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY, + .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN, + + .phy_reset = true, + .reset_gpio_port[0] = -EINVAL, + .reset_gpio_port[1] = 147, + .reset_gpio_port[2] = -EINVAL +}; + +static void __init devkit8000_init(void) +{ + devkit8000_i2c_init(); + platform_add_devices(devkit8000_devices, + ARRAY_SIZE(devkit8000_devices)); + omap_board_config = devkit8000_config; + omap_board_config_size = ARRAY_SIZE(devkit8000_config); + + spi_register_board_info(devkit8000_spi_board_info, + ARRAY_SIZE(devkit8000_spi_board_info)); + + omap_serial_init(); + + omap_dm9000_init(); + + devkit8000_ads7846_init(); + + omap_mux_init_gpio(170, OMAP_PIN_INPUT); + + gpio_request(170, "DVI_nPD"); + /* REVISIT leave DVI powered down until it's needed ... */ + gpio_direction_output(170, true); + + usb_musb_init(); + usb_ehci_init(&ehci_pdata); + devkit8000_flash_init(); + + /* Ensure SDRC pins are mux'd for self-refresh */ + omap_mux_init_signal("sdr_cke0", OMAP_PIN_OUTPUT); + omap_mux_init_signal("sdr_cke1", OMAP_PIN_OUTPUT); +} + +static void __init devkit8000_map_io(void) +{ + omap2_set_globals_343x(); + omap34xx_map_common_io(); +} + +MACHINE_START(DEVKIT8000, "OMAP3 Devkit8000") + .phys_io = 0x48000000, + .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc, + .boot_params = 0x80000100, + .map_io = devkit8000_map_io, + .init_irq = devkit8000_init_irq, + .init_machine = devkit8000_init, + .timer = &omap_timer, +MACHINE_END |