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269 lines
6.4 KiB
269 lines
6.4 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* linux/arch/arm/mach-omap1/board-palmte.c |
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* |
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* Modified from board-generic.c |
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* |
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* Support for the Palm Tungsten E PDA. |
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* |
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* Original version : Laurent Gonzalez |
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* |
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* Maintainers : http://palmtelinux.sf.net |
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* [email protected] |
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* |
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* Copyright (c) 2006 Andrzej Zaborowski <[email protected]> |
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*/ |
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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/input.h> |
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#include <linux/platform_device.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/spi/spi.h> |
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#include <linux/interrupt.h> |
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#include <linux/apm-emulation.h> |
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#include <linux/omapfb.h> |
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#include <linux/platform_data/omap1_bl.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 <mach/tc.h> |
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#include <linux/omap-dma.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 "mmc.h" |
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#include "common.h" |
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#define PALMTE_USBDETECT_GPIO 0 |
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#define PALMTE_USB_OR_DC_GPIO 1 |
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#define PALMTE_TSC_GPIO 4 |
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#define PALMTE_PINTDAV_GPIO 6 |
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#define PALMTE_MMC_WP_GPIO 8 |
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#define PALMTE_MMC_POWER_GPIO 9 |
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#define PALMTE_HDQ_GPIO 11 |
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#define PALMTE_HEADPHONES_GPIO 14 |
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#define PALMTE_SPEAKER_GPIO 15 |
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#define PALMTE_DC_GPIO OMAP_MPUIO(2) |
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#define PALMTE_MMC_SWITCH_GPIO OMAP_MPUIO(4) |
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#define PALMTE_MMC1_GPIO OMAP_MPUIO(6) |
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#define PALMTE_MMC2_GPIO OMAP_MPUIO(7) |
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#define PALMTE_MMC3_GPIO OMAP_MPUIO(11) |
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static const unsigned int palmte_keymap[] = { |
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KEY(0, 0, KEY_F1), /* Calendar */ |
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KEY(1, 0, KEY_F2), /* Contacts */ |
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KEY(2, 0, KEY_F3), /* Tasks List */ |
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KEY(3, 0, KEY_F4), /* Note Pad */ |
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KEY(4, 0, KEY_POWER), |
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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(4, 1, KEY_ENTER), |
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}; |
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static const struct matrix_keymap_data palmte_keymap_data = { |
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.keymap = palmte_keymap, |
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.keymap_size = ARRAY_SIZE(palmte_keymap), |
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}; |
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static struct omap_kp_platform_data palmte_kp_data = { |
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.rows = 8, |
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.cols = 8, |
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.keymap_data = &palmte_keymap_data, |
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.rep = true, |
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.delay = 12, |
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}; |
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static struct resource palmte_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 struct platform_device palmte_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 = &palmte_kp_data, |
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}, |
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.num_resources = ARRAY_SIZE(palmte_kp_resources), |
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.resource = palmte_kp_resources, |
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}; |
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static struct mtd_partition palmte_rom_partitions[] = { |
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/* PalmOS "Small ROM", contains the bootloader and the debugger */ |
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{ |
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.name = "smallrom", |
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.offset = 0, |
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.size = 0xa000, |
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.mask_flags = MTD_WRITEABLE, |
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}, |
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/* PalmOS "Big ROM", a filesystem with all the OS code and data */ |
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{ |
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.name = "bigrom", |
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.offset = SZ_128K, |
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/* |
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* 0x5f0000 bytes big in the multi-language ("EFIGS") version, |
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* 0x7b0000 bytes in the English-only ("enUS") version. |
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*/ |
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.size = 0x7b0000, |
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.mask_flags = MTD_WRITEABLE, |
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}, |
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}; |
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static struct physmap_flash_data palmte_rom_data = { |
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.width = 2, |
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.set_vpp = omap1_set_vpp, |
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.parts = palmte_rom_partitions, |
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.nr_parts = ARRAY_SIZE(palmte_rom_partitions), |
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}; |
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static struct resource palmte_rom_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 palmte_rom_device = { |
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.name = "physmap-flash", |
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.id = -1, |
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.dev = { |
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.platform_data = &palmte_rom_data, |
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}, |
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.num_resources = 1, |
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.resource = &palmte_rom_resource, |
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}; |
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static struct platform_device palmte_lcd_device = { |
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.name = "lcd_palmte", |
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.id = -1, |
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}; |
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static struct omap_backlight_config palmte_backlight_config = { |
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.default_intensity = 0xa0, |
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}; |
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static struct platform_device palmte_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 = &palmte_backlight_config, |
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}, |
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}; |
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static struct platform_device *palmte_devices[] __initdata = { |
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&palmte_rom_device, |
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&palmte_kp_device, |
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&palmte_lcd_device, |
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&palmte_backlight_device, |
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}; |
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static struct omap_usb_config palmte_usb_config __initdata = { |
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.register_dev = 1, /* Mini-B only receptacle */ |
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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 palmte_lcd_config __initconst = { |
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.ctrl_name = "internal", |
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}; |
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static struct spi_board_info palmte_spi_info[] __initdata = { |
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{ |
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.modalias = "tsc2102", |
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.bus_num = 2, /* uWire (officially) */ |
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.chip_select = 0, /* As opposed to 3 */ |
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.max_speed_hz = 8000000, |
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}, |
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}; |
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static void __init palmte_misc_gpio_setup(void) |
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{ |
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/* Set TSC2102 PINTDAV pin as input (used by TSC2102 driver) */ |
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if (gpio_request(PALMTE_PINTDAV_GPIO, "TSC2102 PINTDAV") < 0) { |
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printk(KERN_ERR "Could not reserve PINTDAV GPIO!\n"); |
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return; |
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} |
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gpio_direction_input(PALMTE_PINTDAV_GPIO); |
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/* Set USB-or-DC-IN pin as input (unused) */ |
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if (gpio_request(PALMTE_USB_OR_DC_GPIO, "USB/DC-IN") < 0) { |
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printk(KERN_ERR "Could not reserve cable signal GPIO!\n"); |
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return; |
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} |
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gpio_direction_input(PALMTE_USB_OR_DC_GPIO); |
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} |
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#if IS_ENABLED(CONFIG_MMC_OMAP) |
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static struct omap_mmc_platform_data _palmte_mmc_config = { |
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.nr_slots = 1, |
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.slots[0] = { |
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.ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, |
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.name = "mmcblk", |
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}, |
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}; |
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static struct omap_mmc_platform_data *palmte_mmc_config[OMAP15XX_NR_MMC] = { |
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[0] = &_palmte_mmc_config, |
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}; |
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static void palmte_mmc_init(void) |
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{ |
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omap1_init_mmc(palmte_mmc_config, OMAP15XX_NR_MMC); |
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} |
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#else /* CONFIG_MMC_OMAP */ |
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static void palmte_mmc_init(void) |
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{ |
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} |
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#endif /* CONFIG_MMC_OMAP */ |
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static void __init omap_palmte_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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platform_add_devices(palmte_devices, ARRAY_SIZE(palmte_devices)); |
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palmte_spi_info[0].irq = gpio_to_irq(PALMTE_PINTDAV_GPIO); |
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spi_register_board_info(palmte_spi_info, ARRAY_SIZE(palmte_spi_info)); |
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palmte_misc_gpio_setup(); |
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omap_serial_init(); |
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omap1_usb_init(&palmte_usb_config); |
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omap_register_i2c_bus(1, 100, NULL, 0); |
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omapfb_set_lcd_config(&palmte_lcd_config); |
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palmte_mmc_init(); |
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} |
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MACHINE_START(OMAP_PALMTE, "OMAP310 based Palm Tungsten E") |
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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_palmte_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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