268 lines
6.3 KiB
C
268 lines
6.3 KiB
C
// 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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* palmtelinux-developpers@lists.sf.net
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*
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* Copyright (c) 2006 Andrzej Zaborowski <balrog@zabor.org>
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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/omap-dma.h>
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#include <linux/platform_data/keypad-omap.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 "tc.h"
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#include "flash.h"
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#include "mux.h"
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#include "hardware.h"
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#include "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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