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arch/arm/mach-omap2/board-omap3stalker.c
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/* * 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> |
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#include <linux/mmc/host.h> |
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#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> |
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#include "common.h" |
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#include <plat/gpmc.h> #include <plat/nand.h> #include <plat/usb.h> |
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#include <video/omapdss.h> |
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#include <video/omap-panel-generic-dpi.h> |
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#include <video/omap-panel-dvi.h> |
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#include <plat/mcspi.h> #include <linux/input/matrix_keypad.h> #include <linux/spi/spi.h> |
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#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" |
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#include "common-board-devices.h" |
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#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE) |
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#include <plat/gpmc-smsc911x.h> |
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#define OMAP3STALKER_ETHR_START 0x2c000000 #define OMAP3STALKER_ETHR_SIZE 1024 #define OMAP3STALKER_ETHR_GPIO_IRQ 19 #define OMAP3STALKER_SMC911X_CS 5 |
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static struct omap_smsc911x_platform_data smsc911x_cfg = { .cs = OMAP3STALKER_SMC911X_CS, .gpio_irq = OMAP3STALKER_ETHR_GPIO_IRQ, .gpio_reset = -EINVAL, |
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.flags = (SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS), }; |
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static inline void __init omap3stalker_init_eth(void) { |
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struct clk *l3ck; unsigned int rate; |
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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); |
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gpmc_smsc911x_init(&smsc911x_cfg); |
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} #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; } |
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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 "); 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; } |
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static struct panel_dvi_platform_data dvi_panel = { |
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.platform_enable = omap3_stalker_enable_dvi, .platform_disable = omap3_stalker_disable_dvi, }; |
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static struct omap_dss_device omap3_stalker_dvi_device = { .name = "dvi", |
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.type = OMAP_DISPLAY_TYPE_DPI, |
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.driver_name = "dvi", |
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.data = &dvi_panel, |
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.phy.dpi.data_lines = 24, |
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}; static struct omap_dss_device *omap3_stalker_dss_devices[] = { |
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&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, }; |
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static struct regulator_consumer_supply omap3stalker_vmmc1_supply[] = { REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"), |
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}; |
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static struct regulator_consumer_supply omap3stalker_vsim_supply[] = { REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"), |
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}; /* 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, }, |
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.num_consumer_supplies = ARRAY_SIZE(omap3stalker_vmmc1_supply), .consumer_supplies = omap3stalker_vmmc1_supply, |
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}; /* 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, }, |
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.num_consumer_supplies = ARRAY_SIZE(omap3stalker_vsim_supply), .consumer_supplies = omap3stalker_vsim_supply, |
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}; static struct omap2_hsmmc_info mmc[] = { { .mmc = 1, |
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.caps = MMC_CAP_4_BIT_DATA, |
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.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); |
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/* * 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 */ |
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gpio_request_one(gpio + TWL4030_GPIO_MAX, GPIOF_OUT_INIT_LOW, "EN_LCD_BKL"); |
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/* gpio + 7 == DVI Enable */ |
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gpio_request_one(gpio + 7, GPIOF_OUT_INIT_LOW, "EN_DVI"); |
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/* 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, }; |
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static uint32_t board_keymap[] = { |
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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, }; |
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static struct twl4030_platform_data omap3stalker_twldata = { |
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/* platform_data for children goes here */ .keypad = &omap3stalker_kp_data, |
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.gpio = &omap3stalker_gpio_data, |
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.vmmc1 = &omap3stalker_vmmc1, .vsim = &omap3stalker_vsim, |
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}; 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) { |
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omap3_pmic_get_config(&omap3stalker_twldata, TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_MADC | |
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TWL_COMMON_PDATA_AUDIO, TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2); omap3stalker_twldata.vdac->constraints.apply_uV = true; omap3stalker_twldata.vpll2->constraints.apply_uV = true; omap3stalker_twldata.vpll2->constraints.name = "VDVI"; |
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omap3_pmic_init("twl4030", &omap3stalker_twldata); |
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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 |
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static struct omap_board_config_kernel omap3_stalker_config[] __initdata = { }; |
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static struct platform_device *omap3_stalker_devices[] __initdata = { |
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&keys_gpio, }; |
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static 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, |
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.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}, }; |
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#endif |
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static void __init omap3_stalker_init(void) { omap3_mux_init(board_mux, OMAP_PACKAGE_CUS); |
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omap_board_config = omap3_stalker_config; omap_board_config_size = ARRAY_SIZE(omap3_stalker_config); |
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omap3_stalker_i2c_init(); platform_add_devices(omap3_stalker_devices, ARRAY_SIZE(omap3_stalker_devices)); |
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omap_display_init(&omap3_stalker_dss_data); |
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omap_serial_init(); |
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omap_sdrc_init(mt46h32m32lf6_sdrc_params, NULL); |
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usb_musb_init(NULL); |
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usbhs_init(&usbhs_bdata); |
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omap_ads7846_init(1, OMAP3_STALKER_TS_GPIO, 310, NULL); |
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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); } |
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MACHINE_START(SBC3530, "OMAP3 STALKER") /* Maintainer: Jason Lam -lzg@ema-tech.com */ |
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.atag_offset = 0x100, |
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.map_io = omap3_map_io, |
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.init_early = omap35xx_init_early, |
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.init_irq = omap3_init_irq, |
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.handle_irq = omap3_intc_handle_irq, |
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.init_machine = omap3_stalker_init, |
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.timer = &omap3_secure_timer, |
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.restart = omap_prcm_restart, |
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MACHINE_END |