| /* | 
 |  * 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. | 
 |  */ | 
 | #include <linux/gpio.h> | 
 | #include <linux/kernel.h> | 
 | #include <linux/init.h> | 
 | #include <linux/platform_device.h> | 
 | #include <linux/delay.h> | 
 | #include <linux/input.h> | 
 | #include <linux/input/matrix_keypad.h> | 
 | #include <linux/gpio_keys.h> | 
 | #include <linux/workqueue.h> | 
 | #include <linux/err.h> | 
 | #include <linux/clk.h> | 
 | #include <linux/spi/spi.h> | 
 | #include <linux/regulator/fixed.h> | 
 | #include <linux/regulator/machine.h> | 
 | #include <linux/i2c/twl.h> | 
 | #include <linux/io.h> | 
 | #include <linux/smsc911x.h> | 
 | #include <linux/mmc/host.h> | 
 | #include <linux/usb/phy.h> | 
 | #include <linux/platform_data/spi-omap2-mcspi.h> | 
 |  | 
 | #include <asm/mach-types.h> | 
 | #include <asm/mach/arch.h> | 
 | #include <asm/mach/map.h> | 
 |  | 
 | #include "common.h" | 
 | #include "board-zoom.h" | 
 | #include "gpmc.h" | 
 | #include "gpmc-smsc911x.h" | 
 |  | 
 | #include <video/omapdss.h> | 
 | #include <video/omap-panel-generic-dpi.h> | 
 |  | 
 | #include "board-flash.h" | 
 | #include "mux.h" | 
 | #include "hsmmc.h" | 
 | #include "control.h" | 
 | #include "common-board-devices.h" | 
 |  | 
 | #define LDP_SMSC911X_CS		1 | 
 | #define LDP_SMSC911X_GPIO	152 | 
 | #define DEBUG_BASE		0x08000000 | 
 | #define LDP_ETHR_START		DEBUG_BASE | 
 |  | 
 | static uint32_t 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 ldp_kp_twl4030_data = { | 
 | 	.keymap_data	= &board_map_data, | 
 | 	.rows		= 6, | 
 | 	.cols		= 6, | 
 | 	.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, | 
 | 	}, | 
 | }; | 
 |  | 
 | static struct omap_smsc911x_platform_data smsc911x_cfg = { | 
 | 	.cs             = LDP_SMSC911X_CS, | 
 | 	.gpio_irq       = LDP_SMSC911X_GPIO, | 
 | 	.gpio_reset     = -EINVAL, | 
 | 	.flags		= SMSC911X_USE_32BIT, | 
 | }; | 
 |  | 
 | static inline void __init ldp_init_smsc911x(void) | 
 | { | 
 | 	gpmc_smsc911x_init(&smsc911x_cfg); | 
 | } | 
 |  | 
 | /* 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, | 
 | }; | 
 |  | 
 | 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, | 
 | }; | 
 |  | 
 | 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, | 
 | }; | 
 |  | 
 | 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\n", r); | 
 | 		return; | 
 | 	} | 
 |  | 
 | 	omap_display_init(&ldp_dss_data); | 
 | } | 
 |  | 
 | 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\n", 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; | 
 | } | 
 |  | 
 | static struct twl4030_gpio_platform_data ldp_gpio_data = { | 
 | 	.setup		= ldp_twl_gpio_setup, | 
 | }; | 
 |  | 
 | static struct regulator_consumer_supply ldp_vmmc1_supply[] = { | 
 | 	REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"), | 
 | }; | 
 |  | 
 | /* 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, | 
 | 	}, | 
 | 	.num_consumer_supplies	= ARRAY_SIZE(ldp_vmmc1_supply), | 
 | 	.consumer_supplies	= ldp_vmmc1_supply, | 
 | }; | 
 |  | 
 | /* 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, | 
 | }; | 
 |  | 
 | 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, | 
 | }; | 
 |  | 
 | static struct twl4030_platform_data ldp_twldata = { | 
 | 	/* platform_data for children goes here */ | 
 | 	.vmmc1		= &ldp_vmmc1, | 
 | 	.vaux1		= &ldp_vaux1, | 
 | 	.vpll2		= &ldp_vpll2, | 
 | 	.gpio		= &ldp_gpio_data, | 
 | 	.keypad		= &ldp_kp_twl4030_data, | 
 | }; | 
 |  | 
 | static int __init omap_i2c_init(void) | 
 | { | 
 | 	omap3_pmic_get_config(&ldp_twldata, | 
 | 			  TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_MADC, 0); | 
 | 	omap3_pmic_init("twl4030", &ldp_twldata); | 
 | 	omap_register_i2c_bus(2, 400, NULL, 0); | 
 | 	omap_register_i2c_bus(3, 400, NULL, 0); | 
 | 	return 0; | 
 | } | 
 |  | 
 | static struct omap2_hsmmc_info mmc[] __initdata = { | 
 | 	{ | 
 | 		.mmc		= 1, | 
 | 		.caps		= MMC_CAP_4_BIT_DATA, | 
 | 		.gpio_cd	= -EINVAL, | 
 | 		.gpio_wp	= -EINVAL, | 
 | 	}, | 
 | 	{}	/* Terminator */ | 
 | }; | 
 |  | 
 | static struct platform_device *ldp_devices[] __initdata = { | 
 | 	&ldp_gpio_keys_device, | 
 | }; | 
 |  | 
 | #ifdef CONFIG_OMAP_MUX | 
 | static struct omap_board_mux board_mux[] __initdata = { | 
 | 	{ .reg_offset = OMAP_MUX_TERMINATOR }, | 
 | }; | 
 | #endif | 
 |  | 
 | 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 */ | 
 | 	}, | 
 |  | 
 | }; | 
 |  | 
 | static struct regulator_consumer_supply dummy_supplies[] = { | 
 | 	REGULATOR_SUPPLY("vddvario", "smsc911x.0"), | 
 | 	REGULATOR_SUPPLY("vdd33a", "smsc911x.0"), | 
 | }; | 
 |  | 
 | static void __init omap_ldp_init(void) | 
 | { | 
 | 	regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies)); | 
 | 	omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); | 
 | 	ldp_init_smsc911x(); | 
 | 	omap_i2c_init(); | 
 | 	platform_add_devices(ldp_devices, ARRAY_SIZE(ldp_devices)); | 
 | 	omap_ads7846_init(1, 54, 310, NULL); | 
 | 	omap_serial_init(); | 
 | 	omap_sdrc_init(NULL, NULL); | 
 | 	usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb"); | 
 | 	usb_musb_init(NULL); | 
 | 	board_nand_init(ldp_nand_partitions, ARRAY_SIZE(ldp_nand_partitions), | 
 | 			ZOOM_NAND_CS, 0, nand_default_timings); | 
 |  | 
 | 	omap_hsmmc_init(mmc); | 
 | 	ldp_display_init(); | 
 | } | 
 |  | 
 | MACHINE_START(OMAP_LDP, "OMAP LDP board") | 
 | 	.atag_offset	= 0x100, | 
 | 	.reserve	= omap_reserve, | 
 | 	.map_io		= omap3_map_io, | 
 | 	.init_early	= omap3430_init_early, | 
 | 	.init_irq	= omap3_init_irq, | 
 | 	.handle_irq	= omap3_intc_handle_irq, | 
 | 	.init_machine	= omap_ldp_init, | 
 | 	.init_late	= omap3430_init_late, | 
 | 	.init_time	= omap3_sync32k_timer_init, | 
 | 	.restart	= omap3xxx_restart, | 
 | MACHINE_END |