/* * 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 <linux/platform_data/leds-omap.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <mach/flash.h> #include <mach/mux.h> #include <linux/omap-dma.h> #include <mach/tc.h> #include <linux/platform_data/keypad-omap.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 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_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, .init_irq = omap1_init_irq, .init_machine = omap_palmtt_init, .init_late = omap1_init_late, .init_time = omap1_timer_init, .restart = omap1_restart, MACHINE_END