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arch/arm/mach-omap2/board-ldp.c
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/* * linux/arch/arm/mach-omap2/board-ldp.c * * Copyright (C) 2008 Texas Instruments Inc. * Nishant Kamat <nskamat@ti.com> * * Modified from mach-omap2/board-3430sdp.c * * 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. */ |
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#include <linux/gpio.h> |
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#include <linux/kernel.h> #include <linux/init.h> #include <linux/platform_device.h> #include <linux/delay.h> #include <linux/input.h> |
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#include <linux/input/matrix_keypad.h> |
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#include <linux/gpio_keys.h> |
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#include <linux/workqueue.h> #include <linux/err.h> #include <linux/clk.h> #include <linux/spi/spi.h> |
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#include <linux/regulator/machine.h> |
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#include <linux/i2c/twl.h> |
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#include <linux/io.h> |
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#include <linux/smsc911x.h> |
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#include <linux/mmc/host.h> |
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#include <linux/gpio.h> |
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#include <mach/hardware.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> |
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#include <plat/mcspi.h> |
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#include <plat/board.h> |
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#include "common.h" |
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#include <plat/gpmc.h> |
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#include <mach/board-zoom.h> |
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|
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#include <asm/delay.h> |
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#include <plat/usb.h> |
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#include <plat/gpmc-smsc911x.h> |
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|
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#include <video/omapdss.h> #include <video/omap-panel-generic-dpi.h> |
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#include "board-flash.h" |
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#include "mux.h" |
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#include "hsmmc.h" |
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#include "control.h" |
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#include "common-board-devices.h" |
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|
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#define LDP_SMSC911X_CS 1 #define LDP_SMSC911X_GPIO 152 |
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#define DEBUG_BASE 0x08000000 #define LDP_ETHR_START DEBUG_BASE |
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static uint32_t board_keymap[] = { |
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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 }; |
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static struct matrix_keymap_data board_map_data = { .keymap = board_keymap, .keymap_size = ARRAY_SIZE(board_keymap), }; |
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static struct twl4030_keypad_data ldp_kp_twl4030_data = { |
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.keymap_data = &board_map_data, |
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.rows = 6, .cols = 6, |
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.rep = 1, }; static struct gpio_keys_button ldp_gpio_keys_buttons[] = { [0] = { .code = KEY_ENTER, .gpio = 101, .desc = "enter sw", .active_low = 1, .debounce_interval = 30, }, [1] = { .code = KEY_F1, .gpio = 102, .desc = "func 1", .active_low = 1, .debounce_interval = 30, }, [2] = { .code = KEY_F2, .gpio = 103, .desc = "func 2", .active_low = 1, .debounce_interval = 30, }, [3] = { .code = KEY_F3, .gpio = 104, .desc = "func 3", .active_low = 1, .debounce_interval = 30, }, [4] = { .code = KEY_F4, .gpio = 105, .desc = "func 4", .active_low = 1, .debounce_interval = 30, }, [5] = { .code = KEY_LEFT, .gpio = 106, .desc = "left sw", .active_low = 1, .debounce_interval = 30, }, [6] = { .code = KEY_RIGHT, .gpio = 107, .desc = "right sw", .active_low = 1, .debounce_interval = 30, }, [7] = { .code = KEY_UP, .gpio = 108, .desc = "up sw", .active_low = 1, .debounce_interval = 30, }, [8] = { .code = KEY_DOWN, .gpio = 109, .desc = "down sw", .active_low = 1, .debounce_interval = 30, }, }; static struct gpio_keys_platform_data ldp_gpio_keys = { .buttons = ldp_gpio_keys_buttons, .nbuttons = ARRAY_SIZE(ldp_gpio_keys_buttons), .rep = 1, }; static struct platform_device ldp_gpio_keys_device = { .name = "gpio-keys", .id = -1, .dev = { .platform_data = &ldp_gpio_keys, }, }; |
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static struct omap_smsc911x_platform_data smsc911x_cfg = { .cs = LDP_SMSC911X_CS, .gpio_irq = LDP_SMSC911X_GPIO, .gpio_reset = -EINVAL, .flags = SMSC911X_USE_32BIT, }; |
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static inline void __init ldp_init_smsc911x(void) |
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{ |
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gpmc_smsc911x_init(&smsc911x_cfg); |
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} |
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/* LCD */ static int ldp_backlight_gpio; static int ldp_lcd_enable_gpio; #define LCD_PANEL_RESET_GPIO 55 #define LCD_PANEL_QVGA_GPIO 56 static int ldp_panel_enable_lcd(struct omap_dss_device *dssdev) { if (gpio_is_valid(ldp_lcd_enable_gpio)) gpio_direction_output(ldp_lcd_enable_gpio, 1); if (gpio_is_valid(ldp_backlight_gpio)) gpio_direction_output(ldp_backlight_gpio, 1); return 0; } static void ldp_panel_disable_lcd(struct omap_dss_device *dssdev) { if (gpio_is_valid(ldp_lcd_enable_gpio)) gpio_direction_output(ldp_lcd_enable_gpio, 0); if (gpio_is_valid(ldp_backlight_gpio)) gpio_direction_output(ldp_backlight_gpio, 0); } static struct panel_generic_dpi_data ldp_panel_data = { .name = "nec_nl2432dr22-11b", .platform_enable = ldp_panel_enable_lcd, .platform_disable = ldp_panel_disable_lcd, |
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}; |
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static struct omap_dss_device ldp_lcd_device = { .name = "lcd", .driver_name = "generic_dpi_panel", .type = OMAP_DISPLAY_TYPE_DPI, .phy.dpi.data_lines = 18, .data = &ldp_panel_data, }; static struct omap_dss_device *ldp_dss_devices[] = { &ldp_lcd_device, |
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}; |
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static struct omap_dss_board_info ldp_dss_data = { .num_devices = ARRAY_SIZE(ldp_dss_devices), .devices = ldp_dss_devices, .default_device = &ldp_lcd_device, |
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}; |
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static void __init ldp_display_init(void) { int r; static struct gpio gpios[] __initdata = { {LCD_PANEL_RESET_GPIO, GPIOF_OUT_INIT_HIGH, "LCD RESET"}, {LCD_PANEL_QVGA_GPIO, GPIOF_OUT_INIT_HIGH, "LCD QVGA"}, }; r = gpio_request_array(gpios, ARRAY_SIZE(gpios)); if (r) { pr_err("Cannot request LCD GPIOs, error %d ", r); return; } omap_display_init(&ldp_dss_data); } |
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static int ldp_twl_gpio_setup(struct device *dev, unsigned gpio, unsigned ngpio) { int r; struct gpio gpios[] = { {gpio + 7 , GPIOF_OUT_INIT_LOW, "LCD ENABLE"}, {gpio + 15, GPIOF_OUT_INIT_LOW, "LCD BACKLIGHT"}, }; r = gpio_request_array(gpios, ARRAY_SIZE(gpios)); if (r) { pr_err("Cannot request LCD GPIOs, error %d ", r); ldp_backlight_gpio = -EINVAL; ldp_lcd_enable_gpio = -EINVAL; return r; } ldp_backlight_gpio = gpio + 15; ldp_lcd_enable_gpio = gpio + 7; return 0; } |
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static struct twl4030_gpio_platform_data ldp_gpio_data = { .gpio_base = OMAP_MAX_GPIO_LINES, .irq_base = TWL4030_GPIO_IRQ_BASE, .irq_end = TWL4030_GPIO_IRQ_END, |
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.setup = ldp_twl_gpio_setup, |
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}; |
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static struct regulator_consumer_supply ldp_vmmc1_supply[] = { REGULATOR_SUPPLY("vmmc", "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 ldp_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(ldp_vmmc1_supply), .consumer_supplies = ldp_vmmc1_supply, |
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}; |
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/* ads7846 on SPI */ static struct regulator_consumer_supply ldp_vaux1_supplies[] = { REGULATOR_SUPPLY("vcc", "spi1.0"), }; /* VAUX1 */ static struct regulator_init_data ldp_vaux1 = { .constraints = { .min_uV = 3000000, .max_uV = 3000000, .apply_uV = true, .valid_modes_mask = REGULATOR_MODE_NORMAL | REGULATOR_MODE_STANDBY, .valid_ops_mask = REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, }, .num_consumer_supplies = ARRAY_SIZE(ldp_vaux1_supplies), .consumer_supplies = ldp_vaux1_supplies, }; |
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static struct regulator_consumer_supply ldp_vpll2_supplies[] = { REGULATOR_SUPPLY("vdds_dsi", "omapdss"), REGULATOR_SUPPLY("vdds_dsi", "omapdss_dsi1"), }; static struct regulator_init_data ldp_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 = ARRAY_SIZE(ldp_vpll2_supplies), .consumer_supplies = ldp_vpll2_supplies, }; |
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static struct twl4030_platform_data ldp_twldata = { |
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/* platform_data for children goes here */ |
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.vmmc1 = &ldp_vmmc1, |
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.vaux1 = &ldp_vaux1, |
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.vpll2 = &ldp_vpll2, |
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.gpio = &ldp_gpio_data, |
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.keypad = &ldp_kp_twl4030_data, |
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}; |
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static int __init omap_i2c_init(void) { |
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omap3_pmic_get_config(&ldp_twldata, TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_MADC, 0); |
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omap3_pmic_init("twl4030", &ldp_twldata); |
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omap_register_i2c_bus(2, 400, NULL, 0); omap_register_i2c_bus(3, 400, NULL, 0); return 0; } |
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static struct omap2_hsmmc_info mmc[] __initdata = { |
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{ .mmc = 1, |
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.caps = MMC_CAP_4_BIT_DATA, |
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.gpio_cd = -EINVAL, .gpio_wp = -EINVAL, }, {} /* Terminator */ }; |
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static struct platform_device *ldp_devices[] __initdata = { |
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&ldp_gpio_keys_device, |
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}; |
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#ifdef CONFIG_OMAP_MUX static struct omap_board_mux board_mux[] __initdata = { { .reg_offset = OMAP_MUX_TERMINATOR }, }; |
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#endif |
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static struct mtd_partition ldp_nand_partitions[] = { /* All the partition sizes are listed in terms of NAND block size */ { .name = "X-Loader-NAND", .offset = 0, .size = 4 * (64 * 2048), /* 512KB, 0x80000 */ .mask_flags = MTD_WRITEABLE, /* force read-only */ }, { .name = "U-Boot-NAND", .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */ .size = 10 * (64 * 2048), /* 1.25MB, 0x140000 */ .mask_flags = MTD_WRITEABLE, /* force read-only */ }, { .name = "Boot Env-NAND", .offset = MTDPART_OFS_APPEND, /* Offset = 0x1c0000 */ .size = 2 * (64 * 2048), /* 256KB, 0x40000 */ }, { .name = "Kernel-NAND", .offset = MTDPART_OFS_APPEND, /* Offset = 0x0200000*/ .size = 240 * (64 * 2048), /* 30M, 0x1E00000 */ }, { .name = "File System - NAND", .offset = MTDPART_OFS_APPEND, /* Offset = 0x2000000 */ .size = MTDPART_SIZ_FULL, /* 96MB, 0x6000000 */ }, }; |
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static void __init omap_ldp_init(void) { |
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omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); |
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ldp_init_smsc911x(); |
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omap_i2c_init(); |
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platform_add_devices(ldp_devices, ARRAY_SIZE(ldp_devices)); |
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omap_ads7846_init(1, 54, 310, NULL); |
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omap_serial_init(); |
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omap_sdrc_init(NULL, NULL); |
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usb_musb_init(NULL); |
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board_nand_init(ldp_nand_partitions, |
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ARRAY_SIZE(ldp_nand_partitions), ZOOM_NAND_CS, 0); |
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|
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omap2_hsmmc_init(mmc); |
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ldp_display_init(); |
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} |
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MACHINE_START(OMAP_LDP, "OMAP LDP board") |
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.atag_offset = 0x100, |
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.reserve = omap_reserve, |
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.map_io = omap3_map_io, |
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.init_early = omap3430_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 = omap_ldp_init, |
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.timer = &omap3_timer, |
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.restart = omap_prcm_restart, |
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MACHINE_END |