diff options
Diffstat (limited to 'arch/arm/mach-omap2/board-omap3stalker.c')
| -rw-r--r-- | arch/arm/mach-omap2/board-omap3stalker.c | 672 |
1 files changed, 672 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/board-omap3stalker.c b/arch/arm/mach-omap2/board-omap3stalker.c new file mode 100644 index 000000000000..f848ba8dbc16 --- /dev/null +++ b/arch/arm/mach-omap2/board-omap3stalker.c @@ -0,0 +1,672 @@ +/* + * linux/arch/arm/mach-omap2/board-omap3evm.c + * + * Copyright (C) 2008 Guangzhou EMA-Tech + * + * Modified from mach-omap2/board-omap3evm.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/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/interrupt.h> +#include <linux/smsc911x.h> +#include <linux/i2c/at24.h> + +#include "sdram-micron-mt46h32m32lf-6.h" +#include "mux.h" +#include "hsmmc.h" + +#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE) +#define OMAP3STALKER_ETHR_START 0x2c000000 +#define OMAP3STALKER_ETHR_SIZE 1024 +#define OMAP3STALKER_ETHR_GPIO_IRQ 19 +#define OMAP3STALKER_SMC911X_CS 5 + +static struct resource omap3stalker_smsc911x_resources[] = { + [0] = { + .start = OMAP3STALKER_ETHR_START, + .end = + (OMAP3STALKER_ETHR_START + OMAP3STALKER_ETHR_SIZE - 1), + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = OMAP_GPIO_IRQ(OMAP3STALKER_ETHR_GPIO_IRQ), + .end = OMAP_GPIO_IRQ(OMAP3STALKER_ETHR_GPIO_IRQ), + .flags = (IORESOURCE_IRQ | IRQF_TRIGGER_LOW), + }, +}; + +static struct smsc911x_platform_config smsc911x_config = { + .phy_interface = PHY_INTERFACE_MODE_MII, + .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, + .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN, + .flags = (SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS), +}; + +static struct platform_device omap3stalker_smsc911x_device = { + .name = "smsc911x", + .id = -1, + .num_resources = ARRAY_SIZE(omap3stalker_smsc911x_resources), + .resource = &omap3stalker_smsc911x_resources[0], + .dev = { + .platform_data = &smsc911x_config, + }, +}; + +static inline void __init omap3stalker_init_eth(void) +{ + int eth_cs; + struct clk *l3ck; + unsigned int rate; + + eth_cs = OMAP3STALKER_SMC911X_CS; + + l3ck = clk_get(NULL, "l3_ck"); + if (IS_ERR(l3ck)) + rate = 100000000; + else + rate = clk_get_rate(l3ck); + + omap_mux_init_gpio(19, OMAP_PIN_INPUT_PULLUP); + if (gpio_request(OMAP3STALKER_ETHR_GPIO_IRQ, "SMC911x irq") < 0) { + printk(KERN_ERR + "Failed to request GPIO%d for smc911x IRQ\n", + OMAP3STALKER_ETHR_GPIO_IRQ); + return; + } + + gpio_direction_input(OMAP3STALKER_ETHR_GPIO_IRQ); + + platform_device_register(&omap3stalker_smsc911x_device); +} + +#else +static inline void __init omap3stalker_init_eth(void) +{ + return; +} +#endif + +/* + * OMAP3 DSS control signals + */ + +#define DSS_ENABLE_GPIO 199 +#define LCD_PANEL_BKLIGHT_GPIO 210 +#define ENABLE_VPLL2_DEV_GRP 0xE0 + +static int lcd_enabled; +static int dvi_enabled; + +static void __init omap3_stalker_display_init(void) +{ + return; +} + +static int omap3_stalker_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(DSS_ENABLE_GPIO, 1); + gpio_set_value(LCD_PANEL_BKLIGHT_GPIO, 1); + lcd_enabled = 1; + return 0; +} + +static void omap3_stalker_disable_lcd(struct omap_dss_device *dssdev) +{ + gpio_set_value(DSS_ENABLE_GPIO, 0); + gpio_set_value(LCD_PANEL_BKLIGHT_GPIO, 0); + lcd_enabled = 0; +} + +static struct omap_dss_device omap3_stalker_lcd_device = { + .name = "lcd", + .driver_name = "generic_panel", + .phy.dpi.data_lines = 24, + .type = OMAP_DISPLAY_TYPE_DPI, + .platform_enable = omap3_stalker_enable_lcd, + .platform_disable = omap3_stalker_disable_lcd, +}; + +static int omap3_stalker_enable_tv(struct omap_dss_device *dssdev) +{ + return 0; +} + +static void omap3_stalker_disable_tv(struct omap_dss_device *dssdev) +{ +} + +static struct omap_dss_device omap3_stalker_tv_device = { + .name = "tv", + .driver_name = "venc", + .type = OMAP_DISPLAY_TYPE_VENC, +#if defined(CONFIG_OMAP2_VENC_OUT_TYPE_SVIDEO) + .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO, +#elif defined(CONFIG_OMAP2_VENC_OUT_TYPE_COMPOSITE) + .u.venc.type = OMAP_DSS_VENC_TYPE_COMPOSITE, +#endif + .platform_enable = omap3_stalker_enable_tv, + .platform_disable = omap3_stalker_disable_tv, +}; + +static int omap3_stalker_enable_dvi(struct omap_dss_device *dssdev) +{ + if (lcd_enabled) { + printk(KERN_ERR "cannot enable DVI, LCD is enabled\n"); + return -EINVAL; + } + gpio_set_value(DSS_ENABLE_GPIO, 1); + dvi_enabled = 1; + return 0; +} + +static void omap3_stalker_disable_dvi(struct omap_dss_device *dssdev) +{ + gpio_set_value(DSS_ENABLE_GPIO, 0); + dvi_enabled = 0; +} + +static struct omap_dss_device omap3_stalker_dvi_device = { + .name = "dvi", + .driver_name = "generic_panel", + .type = OMAP_DISPLAY_TYPE_DPI, + .phy.dpi.data_lines = 24, + .platform_enable = omap3_stalker_enable_dvi, + .platform_disable = omap3_stalker_disable_dvi, +}; + +static struct omap_dss_device *omap3_stalker_dss_devices[] = { + &omap3_stalker_lcd_device, + &omap3_stalker_tv_device, + &omap3_stalker_dvi_device, +}; + +static struct omap_dss_board_info omap3_stalker_dss_data = { + .num_devices = ARRAY_SIZE(omap3_stalker_dss_devices), + .devices = omap3_stalker_dss_devices, + .default_device = &omap3_stalker_dvi_device, +}; + +static struct platform_device omap3_stalker_dss_device = { + .name = "omapdss", + .id = -1, + .dev = { + .platform_data = &omap3_stalker_dss_data, + }, +}; + +static struct regulator_consumer_supply omap3stalker_vmmc1_supply = { + .supply = "vmmc", +}; + +static struct regulator_consumer_supply omap3stalker_vsim_supply = { + .supply = "vmmc_aux", +}; + +/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */ +static struct regulator_init_data omap3stalker_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 = &omap3stalker_vmmc1_supply, +}; + +/* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */ +static struct regulator_init_data omap3stalker_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 = &omap3stalker_vsim_supply, +}; + +static struct omap2_hsmmc_info mmc[] = { + { + .mmc = 1, + .wires = 4, + .gpio_cd = -EINVAL, + .gpio_wp = 23, + }, + {} /* Terminator */ +}; + +static struct gpio_keys_button gpio_buttons[] = { + { + .code = BTN_EXTRA, + .gpio = 18, + .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 struct gpio_led gpio_leds[] = { + { + .name = "stalker:D8:usr0", + .default_trigger = "default-on", + .gpio = 126, + }, + { + .name = "stalker:D9:usr1", + .default_trigger = "default-on", + .gpio = 127, + }, + { + .name = "stalker:D3:mmc0", + .gpio = -EINVAL, /* gets replaced */ + .active_low = true, + .default_trigger = "mmc0", + }, + { + .name = "stalker:D4:heartbeat", + .gpio = -EINVAL, /* gets replaced */ + .active_low = true, + .default_trigger = "heartbeat", + }, +}; + +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 int +omap3stalker_twl_gpio_setup(struct device *dev, + unsigned gpio, unsigned ngpio) +{ + /* gpio + 0 is "mmc0_cd" (input/IRQ) */ + omap_mux_init_gpio(23, OMAP_PIN_INPUT); + mmc[0].gpio_cd = gpio + 0; + omap2_hsmmc_init(mmc); + + /* link regulators to MMC adapters */ + omap3stalker_vmmc1_supply.dev = mmc[0].dev; + omap3stalker_vsim_supply.dev = mmc[0].dev; + + /* + * Most GPIOs are for USB OTG. Some are mostly sent to + * the P2 connector; notably LEDA for the LCD backlight. + */ + + /* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */ + gpio_request(gpio + TWL4030_GPIO_MAX, "EN_LCD_BKL"); + gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0); + + /* gpio + 7 == DVI Enable */ + gpio_request(gpio + 7, "EN_DVI"); + gpio_direction_output(gpio + 7, 0); + + /* TWL4030_GPIO_MAX + 1 == ledB (out, mmc0) */ + gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1; + /* GPIO + 13 == ledsync (out, heartbeat) */ + gpio_leds[3].gpio = gpio + 13; + + platform_device_register(&leds_gpio); + return 0; +} + +static struct twl4030_gpio_platform_data omap3stalker_gpio_data = { + .gpio_base = OMAP_MAX_GPIO_LINES, + .irq_base = TWL4030_GPIO_IRQ_BASE, + .irq_end = TWL4030_GPIO_IRQ_END, + .use_leds = true, + .setup = omap3stalker_twl_gpio_setup, +}; + +static struct twl4030_usb_data omap3stalker_usb_data = { + .usb_mode = T2_USB_MODE_ULPI, +}; + +static int board_keymap[] = { + KEY(0, 0, KEY_LEFT), + KEY(0, 1, KEY_DOWN), + KEY(0, 2, KEY_ENTER), + KEY(0, 3, KEY_M), + + KEY(1, 0, KEY_RIGHT), + KEY(1, 1, KEY_UP), + KEY(1, 2, KEY_I), + KEY(1, 3, KEY_N), + + KEY(2, 0, KEY_A), + KEY(2, 1, KEY_E), + KEY(2, 2, KEY_J), + KEY(2, 3, KEY_O), + + KEY(3, 0, KEY_B), + KEY(3, 1, KEY_F), + KEY(3, 2, KEY_K), + KEY(3, 3, KEY_P) +}; + +static struct matrix_keymap_data board_map_data = { + .keymap = board_keymap, + .keymap_size = ARRAY_SIZE(board_keymap), +}; + +static struct twl4030_keypad_data omap3stalker_kp_data = { + .keymap_data = &board_map_data, + .rows = 4, + .cols = 4, + .rep = 1, +}; + +static struct twl4030_madc_platform_data omap3stalker_madc_data = { + .irq_line = 1, +}; + +static struct twl4030_codec_audio_data omap3stalker_audio_data = { + .audio_mclk = 26000000, +}; + +static struct twl4030_codec_data omap3stalker_codec_data = { + .audio_mclk = 26000000, + .audio = &omap3stalker_audio_data, +}; + +static struct regulator_consumer_supply omap3_stalker_vdda_dac_supply = { + .supply = "vdda_dac", + .dev = &omap3_stalker_dss_device.dev, +}; + +/* VDAC for DSS driving S-Video */ +static struct regulator_init_data omap3_stalker_vdac = { + .constraints = { + .min_uV = 1800000, + .max_uV = 1800000, + .apply_uV = true, + .valid_modes_mask = REGULATOR_MODE_NORMAL + | REGULATOR_MODE_STANDBY, + .valid_ops_mask = REGULATOR_CHANGE_MODE + | REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = 1, + .consumer_supplies = &omap3_stalker_vdda_dac_supply, +}; + +/* VPLL2 for digital video outputs */ +static struct regulator_consumer_supply omap3_stalker_vpll2_supply = { + .supply = "vdds_dsi", + .dev = &omap3_stalker_lcd_device.dev, +}; + +static struct regulator_init_data omap3_stalker_vpll2 = { + .constraints = { + .name = "VDVI", + .min_uV = 1800000, + .max_uV = 1800000, + .apply_uV = true, + .valid_modes_mask = REGULATOR_MODE_NORMAL + | REGULATOR_MODE_STANDBY, + .valid_ops_mask = REGULATOR_CHANGE_MODE + | REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = 1, + .consumer_supplies = &omap3_stalker_vpll2_supply, +}; + +static struct twl4030_platform_data omap3stalker_twldata = { + .irq_base = TWL4030_IRQ_BASE, + .irq_end = TWL4030_IRQ_END, + + /* platform_data for children goes here */ + .keypad = &omap3stalker_kp_data, + .madc = &omap3stalker_madc_data, + .usb = &omap3stalker_usb_data, + .gpio = &omap3stalker_gpio_data, + .codec = &omap3stalker_codec_data, + .vdac = &omap3_stalker_vdac, + .vpll2 = &omap3_stalker_vpll2, +}; + +static struct i2c_board_info __initdata omap3stalker_i2c_boardinfo[] = { + { + I2C_BOARD_INFO("twl4030", 0x48), + .flags = I2C_CLIENT_WAKE, + .irq = INT_34XX_SYS_NIRQ, + .platform_data = &omap3stalker_twldata, + }, +}; + +static struct at24_platform_data fram_info = { + .byte_len = (64 * 1024) / 8, + .page_size = 8192, + .flags = AT24_FLAG_ADDR16 | AT24_FLAG_IRUGO, +}; + +static struct i2c_board_info __initdata omap3stalker_i2c_boardinfo3[] = { + { + I2C_BOARD_INFO("24c64", 0x50), + .flags = I2C_CLIENT_WAKE, + .platform_data = &fram_info, + }, +}; + +static int __init omap3_stalker_i2c_init(void) +{ + /* + * REVISIT: These entries can be set in omap3evm_twl_data + * after a merge with MFD tree + */ + omap3stalker_twldata.vmmc1 = &omap3stalker_vmmc1; + omap3stalker_twldata.vsim = &omap3stalker_vsim; + + omap_register_i2c_bus(1, 2600, omap3stalker_i2c_boardinfo, + ARRAY_SIZE(omap3stalker_i2c_boardinfo)); + omap_register_i2c_bus(2, 400, NULL, 0); + omap_register_i2c_bus(3, 400, omap3stalker_i2c_boardinfo3, + ARRAY_SIZE(omap3stalker_i2c_boardinfo3)); + return 0; +} + +#define OMAP3_STALKER_TS_GPIO 175 +static void ads7846_dev_init(void) +{ + if (gpio_request(OMAP3_STALKER_TS_GPIO, "ADS7846 pendown") < 0) + printk(KERN_ERR "can't get ads7846 pen down GPIO\n"); + + gpio_direction_input(OMAP3_STALKER_TS_GPIO); + + omap_set_gpio_debounce(OMAP3_STALKER_TS_GPIO, 1); + omap_set_gpio_debounce_time(OMAP3_STALKER_TS_GPIO, 0xa); +} + +static int ads7846_get_pendown_state(void) +{ + return !gpio_get_value(OMAP3_STALKER_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 = 3, + .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 */ +}; + +struct spi_board_info omap3stalker_spi_board_info[] = { + [0] = { + .modalias = "ads7846", + .bus_num = 1, + .chip_select = 0, + .max_speed_hz = 1500000, + .controller_data = &ads7846_mcspi_config, + .irq = OMAP_GPIO_IRQ(OMAP3_STALKER_TS_GPIO), + .platform_data = &ads7846_config, + }, +}; + +static struct omap_board_config_kernel omap3_stalker_config[] __initdata = { +}; + +static void __init omap3_stalker_init_irq(void) +{ + omap_board_config = omap3_stalker_config; + omap_board_config_size = ARRAY_SIZE(omap3_stalker_config); + omap2_init_common_hw(mt46h32m32lf6_sdrc_params, NULL); + omap_init_irq(); +#ifdef CONFIG_OMAP_32K_TIMER + omap2_gp_clockevent_set_gptimer(12); +#endif + omap_gpio_init(); +} + +static struct platform_device *omap3_stalker_devices[] __initdata = { + &omap3_stalker_dss_device, + &keys_gpio, +}; + +static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = { + .port_mode[0] = EHCI_HCD_OMAP_MODE_UNKNOWN, + .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] = 21, + .reset_gpio_port[2] = -EINVAL, +}; + +#ifdef CONFIG_OMAP_MUX +static struct omap_board_mux board_mux[] __initdata = { + OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP | + OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE), + OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP | + OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE), + {.reg_offset = OMAP_MUX_TERMINATOR}, +}; +#else +#define board_mux NULL +#endif + +static struct omap_musb_board_data musb_board_data = { + .interface_type = MUSB_INTERFACE_ULPI, + .mode = MUSB_OTG, + .power = 100, +}; + +static void __init omap3_stalker_init(void) +{ + omap3_mux_init(board_mux, OMAP_PACKAGE_CUS); + + omap3_stalker_i2c_init(); + + platform_add_devices(omap3_stalker_devices, + ARRAY_SIZE(omap3_stalker_devices)); + + spi_register_board_info(omap3stalker_spi_board_info, + ARRAY_SIZE(omap3stalker_spi_board_info)); + + omap_serial_init(); + usb_musb_init(&musb_board_data); + usb_ehci_init(&ehci_pdata); + ads7846_dev_init(); + + omap_mux_init_gpio(21, OMAP_PIN_OUTPUT); + omap_mux_init_gpio(18, OMAP_PIN_INPUT_PULLUP); + + omap3stalker_init_eth(); + omap3_stalker_display_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 omap3_stalker_map_io(void) +{ + omap2_set_globals_343x(); + omap34xx_map_common_io(); +} + +MACHINE_START(SBC3530, "OMAP3 STALKER") + /* Maintainer: Jason Lam -lzg@ema-tech.com */ + .phys_io = 0x48000000, + .io_pg_offst = ((0xfa000000) >> 18) & 0xfffc, + .boot_params = 0x80000100, + .map_io = omap3_stalker_map_io, + .init_irq = omap3_stalker_init_irq, + .init_machine = omap3_stalker_init, + .timer = &omap_timer, +MACHINE_END |