arch/arm/mach-omap1/board-palmtt.c - linux - Git at Google

 /*
  * 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 <linux/omapfb.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/ads7846.h>
 #include <linux/platform_data/omap1_bl.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/dma.h>
 #include <plat/tc.h>
 #include <plat/irda.h>
 #include <plat/keypad.h>

 #include <mach/hardware.h>
 #include <mach/usb.h>

 #include "common.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,
 		.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 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);

 	platform_add_devices(palmtt_devices, ARRAY_SIZE(palmtt_devices));

 	palmtt_boardinfo[0].irq = gpio_to_irq(6);
 	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);

 	omapfb_set_lcd_config(&palmtt_lcd_config);
 }

 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,
 	.init_late	= omap1_init_late,
 	.timer		= &omap1_timer,
 	.restart	= omap1_restart,
 MACHINE_END
	/*
	* 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 <linux/omapfb.h>
	#include <linux/spi/spi.h>
	#include <linux/spi/ads7846.h>
	#include <linux/platform_data/omap1_bl.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/dma.h>
	#include <plat/tc.h>
	#include <plat/irda.h>
	#include <plat/keypad.h>

	#include <mach/hardware.h>
	#include <mach/usb.h>

	#include "common.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,
	.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 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);

	platform_add_devices(palmtt_devices, ARRAY_SIZE(palmtt_devices));

	palmtt_boardinfo[0].irq = gpio_to_irq(6);
	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);

	omapfb_set_lcd_config(&palmtt_lcd_config);
	}

	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,
	.init_late = omap1_init_late,
	.timer = &omap1_timer,
	.restart = omap1_restart,
	MACHINE_END