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287 lines
6.2 KiB
287 lines
6.2 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* linux/arch/arm/mach-omap1/board-palmtt.c |
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* |
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* Modified from board-palmtt2.c |
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* |
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* Modified and amended for Palm Tungsten|T |
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* by Marek Vasut <[email protected]> |
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*/ |
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#include <linux/delay.h> |
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#include <linux/gpio.h> |
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#include <linux/kernel.h> |
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#include <linux/init.h> |
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#include <linux/platform_device.h> |
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#include <linux/notifier.h> |
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#include <linux/clk.h> |
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#include <linux/input.h> |
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#include <linux/interrupt.h> |
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#include <linux/mtd/mtd.h> |
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#include <linux/mtd/partitions.h> |
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#include <linux/mtd/physmap.h> |
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#include <linux/leds.h> |
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#include <linux/omapfb.h> |
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#include <linux/spi/spi.h> |
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#include <linux/spi/ads7846.h> |
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#include <linux/platform_data/omap1_bl.h> |
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#include <linux/platform_data/leds-omap.h> |
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#include <asm/mach-types.h> |
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#include <asm/mach/arch.h> |
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#include <asm/mach/map.h> |
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#include "flash.h" |
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#include <mach/mux.h> |
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#include <linux/omap-dma.h> |
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#include <mach/tc.h> |
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#include <linux/platform_data/keypad-omap.h> |
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#include <mach/hardware.h> |
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#include <mach/usb.h> |
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#include "common.h" |
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#define PALMTT_USBDETECT_GPIO 0 |
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#define PALMTT_CABLE_GPIO 1 |
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#define PALMTT_LED_GPIO 3 |
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#define PALMTT_PENIRQ_GPIO 6 |
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#define PALMTT_MMC_WP_GPIO 8 |
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#define PALMTT_HDQ_GPIO 11 |
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static const unsigned int palmtt_keymap[] = { |
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KEY(0, 0, KEY_ESC), |
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KEY(1, 0, KEY_SPACE), |
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KEY(2, 0, KEY_LEFTCTRL), |
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KEY(3, 0, KEY_TAB), |
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KEY(4, 0, KEY_ENTER), |
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KEY(0, 1, KEY_LEFT), |
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KEY(1, 1, KEY_DOWN), |
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KEY(2, 1, KEY_UP), |
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KEY(3, 1, KEY_RIGHT), |
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KEY(0, 2, KEY_SLEEP), |
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KEY(4, 2, KEY_Y), |
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}; |
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static struct mtd_partition palmtt_partitions[] = { |
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{ |
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.name = "write8k", |
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.offset = 0, |
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.size = SZ_8K, |
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.mask_flags = 0, |
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}, |
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{ |
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.name = "PalmOS-BootLoader(ro)", |
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.offset = SZ_8K, |
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.size = 7 * SZ_8K, |
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.mask_flags = MTD_WRITEABLE, |
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}, |
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{ |
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.name = "u-boot", |
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.offset = MTDPART_OFS_APPEND, |
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.size = 8 * SZ_8K, |
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.mask_flags = 0, |
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}, |
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{ |
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.name = "PalmOS-FS(ro)", |
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.offset = MTDPART_OFS_APPEND, |
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.size = 7 * SZ_1M + 4 * SZ_64K - 16 * SZ_8K, |
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.mask_flags = MTD_WRITEABLE, |
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}, |
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{ |
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.name = "u-boot(rez)", |
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.offset = MTDPART_OFS_APPEND, |
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.size = SZ_128K, |
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.mask_flags = 0 |
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}, |
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{ |
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.name = "empty", |
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.offset = MTDPART_OFS_APPEND, |
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.size = MTDPART_SIZ_FULL, |
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.mask_flags = 0 |
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} |
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}; |
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static struct physmap_flash_data palmtt_flash_data = { |
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.width = 2, |
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.set_vpp = omap1_set_vpp, |
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.parts = palmtt_partitions, |
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.nr_parts = ARRAY_SIZE(palmtt_partitions), |
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}; |
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static struct resource palmtt_flash_resource = { |
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.start = OMAP_CS0_PHYS, |
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.end = OMAP_CS0_PHYS + SZ_8M - 1, |
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.flags = IORESOURCE_MEM, |
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}; |
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static struct platform_device palmtt_flash_device = { |
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.name = "physmap-flash", |
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.id = 0, |
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.dev = { |
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.platform_data = &palmtt_flash_data, |
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}, |
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.num_resources = 1, |
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.resource = &palmtt_flash_resource, |
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}; |
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static struct resource palmtt_kp_resources[] = { |
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[0] = { |
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.start = INT_KEYBOARD, |
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.end = INT_KEYBOARD, |
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.flags = IORESOURCE_IRQ, |
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}, |
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}; |
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static const struct matrix_keymap_data palmtt_keymap_data = { |
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.keymap = palmtt_keymap, |
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.keymap_size = ARRAY_SIZE(palmtt_keymap), |
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}; |
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static struct omap_kp_platform_data palmtt_kp_data = { |
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.rows = 6, |
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.cols = 3, |
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.keymap_data = &palmtt_keymap_data, |
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}; |
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static struct platform_device palmtt_kp_device = { |
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.name = "omap-keypad", |
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.id = -1, |
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.dev = { |
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.platform_data = &palmtt_kp_data, |
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}, |
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.num_resources = ARRAY_SIZE(palmtt_kp_resources), |
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.resource = palmtt_kp_resources, |
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}; |
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static struct platform_device palmtt_lcd_device = { |
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.name = "lcd_palmtt", |
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.id = -1, |
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}; |
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static struct platform_device palmtt_spi_device = { |
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.name = "spi_palmtt", |
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.id = -1, |
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}; |
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static struct omap_backlight_config palmtt_backlight_config = { |
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.default_intensity = 0xa0, |
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}; |
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static struct platform_device palmtt_backlight_device = { |
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.name = "omap-bl", |
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.id = -1, |
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.dev = { |
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.platform_data= &palmtt_backlight_config, |
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}, |
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}; |
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static struct omap_led_config palmtt_led_config[] = { |
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{ |
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.cdev = { |
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.name = "palmtt:led0", |
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}, |
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.gpio = PALMTT_LED_GPIO, |
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}, |
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}; |
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static struct omap_led_platform_data palmtt_led_data = { |
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.nr_leds = ARRAY_SIZE(palmtt_led_config), |
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.leds = palmtt_led_config, |
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}; |
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static struct platform_device palmtt_led_device = { |
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.name = "omap-led", |
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.id = -1, |
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.dev = { |
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.platform_data = &palmtt_led_data, |
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}, |
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}; |
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static struct platform_device *palmtt_devices[] __initdata = { |
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&palmtt_flash_device, |
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&palmtt_kp_device, |
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&palmtt_lcd_device, |
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&palmtt_spi_device, |
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&palmtt_backlight_device, |
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&palmtt_led_device, |
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}; |
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static int palmtt_get_pendown_state(void) |
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{ |
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return !gpio_get_value(6); |
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} |
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static const struct ads7846_platform_data palmtt_ts_info = { |
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.model = 7846, |
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.vref_delay_usecs = 100, /* internal, no capacitor */ |
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.x_plate_ohms = 419, |
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.y_plate_ohms = 486, |
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.get_pendown_state = palmtt_get_pendown_state, |
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}; |
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static struct spi_board_info __initdata palmtt_boardinfo[] = { |
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{ |
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/* MicroWire (bus 2) CS0 has an ads7846e */ |
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.modalias = "ads7846", |
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.platform_data = &palmtt_ts_info, |
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.max_speed_hz = 120000 /* max sample rate at 3V */ |
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* 26 /* command + data + overhead */, |
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.bus_num = 2, |
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.chip_select = 0, |
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} |
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}; |
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static struct omap_usb_config palmtt_usb_config __initdata = { |
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.register_dev = 1, |
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.hmc_mode = 0, |
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.pins[0] = 2, |
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}; |
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static const struct omap_lcd_config palmtt_lcd_config __initconst = { |
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.ctrl_name = "internal", |
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}; |
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static void __init omap_mpu_wdt_mode(int mode) { |
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if (mode) |
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omap_writew(0x8000, OMAP_WDT_TIMER_MODE); |
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else { |
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omap_writew(0x00f5, OMAP_WDT_TIMER_MODE); |
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omap_writew(0x00a0, OMAP_WDT_TIMER_MODE); |
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} |
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} |
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static void __init omap_palmtt_init(void) |
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{ |
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/* mux pins for uarts */ |
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omap_cfg_reg(UART1_TX); |
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omap_cfg_reg(UART1_RTS); |
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omap_cfg_reg(UART2_TX); |
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omap_cfg_reg(UART2_RTS); |
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omap_cfg_reg(UART3_TX); |
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omap_cfg_reg(UART3_RX); |
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omap_mpu_wdt_mode(0); |
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platform_add_devices(palmtt_devices, ARRAY_SIZE(palmtt_devices)); |
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palmtt_boardinfo[0].irq = gpio_to_irq(6); |
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spi_register_board_info(palmtt_boardinfo,ARRAY_SIZE(palmtt_boardinfo)); |
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omap_serial_init(); |
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omap1_usb_init(&palmtt_usb_config); |
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omap_register_i2c_bus(1, 100, NULL, 0); |
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omapfb_set_lcd_config(&palmtt_lcd_config); |
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} |
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MACHINE_START(OMAP_PALMTT, "OMAP1510 based Palm Tungsten|T") |
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.atag_offset = 0x100, |
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.map_io = omap15xx_map_io, |
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.init_early = omap1_init_early, |
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.init_irq = omap1_init_irq, |
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.handle_irq = omap1_handle_irq, |
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.init_machine = omap_palmtt_init, |
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.init_late = omap1_init_late, |
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.init_time = omap1_timer_init, |
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.restart = omap1_restart, |
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MACHINE_END
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