/*
   * linux/arch/arm/mach-omap1/board-palmtt.c
   *
   * Modified from board-palmtt2.c
   *
   * Modified and amended for Palm Tungsten|T
   * by Marek Vasut <marek.vasut@gmail.com>
   *
   * 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/delay.h>

  #include <linux/gpio.h>

  #include <linux/kernel.h>
  #include <linux/init.h>
  #include <linux/platform_device.h>
  #include <linux/notifier.h>
  #include <linux/clk.h>
  #include <linux/input.h>
  #include <linux/interrupt.h>
  #include <linux/mtd/mtd.h>
  #include <linux/mtd/partitions.h>

  #include <linux/mtd/physmap.h>

  #include <linux/leds.h>

  #include <mach/hardware.h>

  #include <asm/mach-types.h>
  #include <asm/mach/arch.h>
  #include <asm/mach/map.h>

  #include <plat/led.h>

  #include <plat/flash.h>

  #include <plat/mux.h>
  #include <plat/usb.h>
  #include <plat/dma.h>
  #include <plat/tc.h>
  #include <plat/board.h>
  #include <plat/irda.h>
  #include <plat/keypad.h>

  #include "common.h"

  #include <linux/spi/spi.h>
  #include <linux/spi/ads7846.h>

  #define PALMTT_USBDETECT_GPIO	0
  #define PALMTT_CABLE_GPIO	1
  #define PALMTT_LED_GPIO		3
  #define PALMTT_PENIRQ_GPIO	6
  #define PALMTT_MMC_WP_GPIO	8
  #define PALMTT_HDQ_GPIO		11

  static const unsigned int palmtt_keymap[] = {

  	KEY(0, 0, KEY_ESC),

  	KEY(1, 0, KEY_SPACE),
  	KEY(2, 0, KEY_LEFTCTRL),
  	KEY(3, 0, KEY_TAB),
  	KEY(4, 0, KEY_ENTER),
  	KEY(0, 1, KEY_LEFT),

  	KEY(1, 1, KEY_DOWN),

  	KEY(2, 1, KEY_UP),
  	KEY(3, 1, KEY_RIGHT),
  	KEY(0, 2, KEY_SLEEP),
  	KEY(4, 2, KEY_Y),

  };
  
  static struct mtd_partition palmtt_partitions[] = {
  	{
  		.name		= "write8k",
  		.offset		= 0,
  		.size		= SZ_8K,
  		.mask_flags	= 0,
  	},
  	{
  		.name		= "PalmOS-BootLoader(ro)",
  		.offset		= SZ_8K,
  		.size		= 7 * SZ_8K,
  		.mask_flags	= MTD_WRITEABLE,
  	},
  	{
  		.name		= "u-boot",
  		.offset		= MTDPART_OFS_APPEND,
  		.size		= 8 * SZ_8K,
  		.mask_flags	= 0,
  	},
  	{
  		.name		= "PalmOS-FS(ro)",
  		.offset		= MTDPART_OFS_APPEND,
  		.size		= 7 * SZ_1M + 4 * SZ_64K - 16 * SZ_8K,
  		.mask_flags	= MTD_WRITEABLE,
  	},
  	{
  		.name		= "u-boot(rez)",
  		.offset		= MTDPART_OFS_APPEND,
  		.size		= SZ_128K,
  		.mask_flags	= 0
  	},
  	{
  		.name		= "empty",
  		.offset		= MTDPART_OFS_APPEND,
  		.size		= MTDPART_SIZ_FULL,
  		.mask_flags	= 0
  	}
  };

  static struct physmap_flash_data palmtt_flash_data = {

  	.width		= 2,

  	.set_vpp	= omap1_set_vpp,

  	.parts		= palmtt_partitions,
  	.nr_parts	= ARRAY_SIZE(palmtt_partitions),
  };
  
  static struct resource palmtt_flash_resource = {
  	.start		= OMAP_CS0_PHYS,
  	.end		= OMAP_CS0_PHYS + SZ_8M - 1,
  	.flags		= IORESOURCE_MEM,
  };
  
  static struct platform_device palmtt_flash_device = {

  	.name		= "physmap-flash",

  	.id		= 0,
  	.dev		= {
  		.platform_data	= &palmtt_flash_data,
  	},
  	.num_resources	= 1,
  	.resource	= &palmtt_flash_resource,
  };

  static struct resource palmtt_kp_resources[] = {
  	[0] = {
  		.start	= INT_KEYBOARD,
  		.end	= INT_KEYBOARD,
  		.flags	= IORESOURCE_IRQ,
  	},
  };

  static const struct matrix_keymap_data palmtt_keymap_data = {
  	.keymap		= palmtt_keymap,
  	.keymap_size	= ARRAY_SIZE(palmtt_keymap),
  };

  static struct omap_kp_platform_data palmtt_kp_data = {
  	.rows	= 6,
  	.cols	= 3,

  	.keymap_data = &palmtt_keymap_data,

  };
  
  static struct platform_device palmtt_kp_device = {
  	.name		= "omap-keypad",
  	.id		= -1,
  	.dev		= {
  		.platform_data = &palmtt_kp_data,
  	},
  	.num_resources	= ARRAY_SIZE(palmtt_kp_resources),
  	.resource	= palmtt_kp_resources,
  };
  
  static struct platform_device palmtt_lcd_device = {
  	.name		= "lcd_palmtt",
  	.id		= -1,
  };
  static struct omap_irda_config palmtt_irda_config = {
  	.transceiver_cap	= IR_SIRMODE,
  	.rx_channel		= OMAP_DMA_UART3_RX,
  	.tx_channel		= OMAP_DMA_UART3_TX,
  	.dest_start		= UART3_THR,
  	.src_start		= UART3_RHR,
  	.tx_trigger		= 0,
  	.rx_trigger		= 0,
  };
  
  static struct resource palmtt_irda_resources[] = {
  	[0]	= {
  		.start	= INT_UART3,
  		.end	= INT_UART3,
  		.flags	= IORESOURCE_IRQ,
  	},
  };
  
  static struct platform_device palmtt_irda_device = {
  	.name		= "omapirda",
  	.id		= -1,
  	.dev		= {
  		.platform_data	= &palmtt_irda_config,
  	},
  	.num_resources	= ARRAY_SIZE(palmtt_irda_resources),
  	.resource	= palmtt_irda_resources,
  };
  
  static struct platform_device palmtt_spi_device = {
  	.name		= "spi_palmtt",
  	.id		= -1,
  };
  
  static struct omap_backlight_config palmtt_backlight_config = {
  	.default_intensity	= 0xa0,
  };
  
  static struct platform_device palmtt_backlight_device = {
  	.name		= "omap-bl",
  	.id		= -1,
  	.dev		= {
  		.platform_data= &palmtt_backlight_config,
  	},
  };
  
  static struct omap_led_config palmtt_led_config[] = {
  	{
  		.cdev	= {
  			.name	= "palmtt:led0",
  		},
  		.gpio	= PALMTT_LED_GPIO,
  	},
  };
  
  static struct omap_led_platform_data palmtt_led_data = {
  	.nr_leds	= ARRAY_SIZE(palmtt_led_config),
  	.leds		= palmtt_led_config,
  };
  
  static struct platform_device palmtt_led_device = {
  	.name	= "omap-led",
  	.id	= -1,
  	.dev	= {
  		.platform_data	= &palmtt_led_data,
  	},
  };
  
  static struct platform_device *palmtt_devices[] __initdata = {
  	&palmtt_flash_device,

  	&palmtt_kp_device,
  	&palmtt_lcd_device,
  	&palmtt_irda_device,
  	&palmtt_spi_device,
  	&palmtt_backlight_device,
  	&palmtt_led_device,
  };
  
  static int palmtt_get_pendown_state(void)
  {

  	return !gpio_get_value(6);

  }
  
  static const struct ads7846_platform_data palmtt_ts_info = {
  	.model			= 7846,
  	.vref_delay_usecs	= 100,	/* internal, no capacitor */
  	.x_plate_ohms		= 419,
  	.y_plate_ohms		= 486,
  	.get_pendown_state	= palmtt_get_pendown_state,
  };
  
  static struct spi_board_info __initdata palmtt_boardinfo[] = {
  	{
  		/* MicroWire (bus 2) CS0 has an ads7846e */
  		.modalias	= "ads7846",
  		.platform_data	= &palmtt_ts_info,
  		.irq		= OMAP_GPIO_IRQ(6),
  		.max_speed_hz	= 120000	/* max sample rate at 3V */
  					* 26	/* command + data + overhead */,
  		.bus_num	= 2,
  		.chip_select	= 0,
  	}
  };

  static struct omap_usb_config palmtt_usb_config __initdata = {
  	.register_dev	= 1,
  	.hmc_mode	= 0,
  	.pins[0]	= 2,
  };
  
  static struct omap_lcd_config palmtt_lcd_config __initdata = {
  	.ctrl_name	= "internal",
  };

  static struct omap_board_config_kernel palmtt_config[] __initdata = {

  	{ OMAP_TAG_LCD,		&palmtt_lcd_config	},

  };
  
  static void __init omap_mpu_wdt_mode(int mode) {
  	if (mode)
  		omap_writew(0x8000, OMAP_WDT_TIMER_MODE);
  	else {
  		omap_writew(0x00f5, OMAP_WDT_TIMER_MODE);
  		omap_writew(0x00a0, OMAP_WDT_TIMER_MODE);
  	}
  }
  
  static void __init omap_palmtt_init(void)
  {

  	/* mux pins for uarts */
  	omap_cfg_reg(UART1_TX);
  	omap_cfg_reg(UART1_RTS);
  	omap_cfg_reg(UART2_TX);
  	omap_cfg_reg(UART2_RTS);
  	omap_cfg_reg(UART3_TX);
  	omap_cfg_reg(UART3_RX);

  	omap_mpu_wdt_mode(0);
  
  	omap_board_config = palmtt_config;
  	omap_board_config_size = ARRAY_SIZE(palmtt_config);
  
  	platform_add_devices(palmtt_devices, ARRAY_SIZE(palmtt_devices));
  
  	spi_register_board_info(palmtt_boardinfo,ARRAY_SIZE(palmtt_boardinfo));
  	omap_serial_init();

  	omap1_usb_init(&palmtt_usb_config);

  	omap_register_i2c_bus(1, 100, NULL, 0);

  }

  MACHINE_START(OMAP_PALMTT, "OMAP1510 based Palm Tungsten|T")

  	.atag_offset	= 0x100,

  	.map_io		= omap15xx_map_io,
  	.init_early     = omap1_init_early,

  	.reserve	= omap_reserve,

  	.init_irq	= omap1_init_irq,

  	.init_machine	= omap_palmtt_init,

  	.timer		= &omap1_timer,

  	.restart	= omap1_restart,

  MACHINE_END