linux/arch/arm/mach-omap1/board-palmte.c
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   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * linux/arch/arm/mach-omap1/board-palmte.c
   4 *
   5 * Modified from board-generic.c
   6 *
   7 * Support for the Palm Tungsten E PDA.
   8 *
   9 * Original version : Laurent Gonzalez
  10 *
  11 * Maintainers : http://palmtelinux.sf.net
  12 *                palmtelinux-developpers@lists.sf.net
  13 *
  14 * Copyright (c) 2006 Andrzej Zaborowski  <balrog@zabor.org>
  15 */
  16#include <linux/gpio.h>
  17#include <linux/kernel.h>
  18#include <linux/init.h>
  19#include <linux/input.h>
  20#include <linux/platform_device.h>
  21#include <linux/mtd/mtd.h>
  22#include <linux/mtd/partitions.h>
  23#include <linux/mtd/physmap.h>
  24#include <linux/spi/spi.h>
  25#include <linux/interrupt.h>
  26#include <linux/apm-emulation.h>
  27#include <linux/omapfb.h>
  28#include <linux/platform_data/omap1_bl.h>
  29
  30#include <asm/mach-types.h>
  31#include <asm/mach/arch.h>
  32#include <asm/mach/map.h>
  33
  34#include "flash.h"
  35#include <mach/mux.h>
  36#include <mach/tc.h>
  37#include <linux/omap-dma.h>
  38#include <linux/platform_data/keypad-omap.h>
  39
  40#include <mach/hardware.h>
  41#include <mach/usb.h>
  42
  43#include "mmc.h"
  44#include "common.h"
  45
  46#define PALMTE_USBDETECT_GPIO   0
  47#define PALMTE_USB_OR_DC_GPIO   1
  48#define PALMTE_TSC_GPIO         4
  49#define PALMTE_PINTDAV_GPIO     6
  50#define PALMTE_MMC_WP_GPIO      8
  51#define PALMTE_MMC_POWER_GPIO   9
  52#define PALMTE_HDQ_GPIO         11
  53#define PALMTE_HEADPHONES_GPIO  14
  54#define PALMTE_SPEAKER_GPIO     15
  55#define PALMTE_DC_GPIO          OMAP_MPUIO(2)
  56#define PALMTE_MMC_SWITCH_GPIO  OMAP_MPUIO(4)
  57#define PALMTE_MMC1_GPIO        OMAP_MPUIO(6)
  58#define PALMTE_MMC2_GPIO        OMAP_MPUIO(7)
  59#define PALMTE_MMC3_GPIO        OMAP_MPUIO(11)
  60
  61static const unsigned int palmte_keymap[] = {
  62        KEY(0, 0, KEY_F1),              /* Calendar */
  63        KEY(1, 0, KEY_F2),              /* Contacts */
  64        KEY(2, 0, KEY_F3),              /* Tasks List */
  65        KEY(3, 0, KEY_F4),              /* Note Pad */
  66        KEY(4, 0, KEY_POWER),
  67        KEY(0, 1, KEY_LEFT),
  68        KEY(1, 1, KEY_DOWN),
  69        KEY(2, 1, KEY_UP),
  70        KEY(3, 1, KEY_RIGHT),
  71        KEY(4, 1, KEY_ENTER),
  72};
  73
  74static const struct matrix_keymap_data palmte_keymap_data = {
  75        .keymap         = palmte_keymap,
  76        .keymap_size    = ARRAY_SIZE(palmte_keymap),
  77};
  78
  79static struct omap_kp_platform_data palmte_kp_data = {
  80        .rows   = 8,
  81        .cols   = 8,
  82        .keymap_data = &palmte_keymap_data,
  83        .rep    = true,
  84        .delay  = 12,
  85};
  86
  87static struct resource palmte_kp_resources[] = {
  88        [0]     = {
  89                .start  = INT_KEYBOARD,
  90                .end    = INT_KEYBOARD,
  91                .flags  = IORESOURCE_IRQ,
  92        },
  93};
  94
  95static struct platform_device palmte_kp_device = {
  96        .name           = "omap-keypad",
  97        .id             = -1,
  98        .dev            = {
  99                .platform_data  = &palmte_kp_data,
 100        },
 101        .num_resources  = ARRAY_SIZE(palmte_kp_resources),
 102        .resource       = palmte_kp_resources,
 103};
 104
 105static struct mtd_partition palmte_rom_partitions[] = {
 106        /* PalmOS "Small ROM", contains the bootloader and the debugger */
 107        {
 108                .name           = "smallrom",
 109                .offset         = 0,
 110                .size           = 0xa000,
 111                .mask_flags     = MTD_WRITEABLE,
 112        },
 113        /* PalmOS "Big ROM", a filesystem with all the OS code and data */
 114        {
 115                .name           = "bigrom",
 116                .offset         = SZ_128K,
 117                /*
 118                 * 0x5f0000 bytes big in the multi-language ("EFIGS") version,
 119                 * 0x7b0000 bytes in the English-only ("enUS") version.
 120                 */
 121                .size           = 0x7b0000,
 122                .mask_flags     = MTD_WRITEABLE,
 123        },
 124};
 125
 126static struct physmap_flash_data palmte_rom_data = {
 127        .width          = 2,
 128        .set_vpp        = omap1_set_vpp,
 129        .parts          = palmte_rom_partitions,
 130        .nr_parts       = ARRAY_SIZE(palmte_rom_partitions),
 131};
 132
 133static struct resource palmte_rom_resource = {
 134        .start          = OMAP_CS0_PHYS,
 135        .end            = OMAP_CS0_PHYS + SZ_8M - 1,
 136        .flags          = IORESOURCE_MEM,
 137};
 138
 139static struct platform_device palmte_rom_device = {
 140        .name           = "physmap-flash",
 141        .id             = -1,
 142        .dev            = {
 143                .platform_data  = &palmte_rom_data,
 144        },
 145        .num_resources  = 1,
 146        .resource       = &palmte_rom_resource,
 147};
 148
 149static struct platform_device palmte_lcd_device = {
 150        .name           = "lcd_palmte",
 151        .id             = -1,
 152};
 153
 154static struct omap_backlight_config palmte_backlight_config = {
 155        .default_intensity      = 0xa0,
 156};
 157
 158static struct platform_device palmte_backlight_device = {
 159        .name           = "omap-bl",
 160        .id             = -1,
 161        .dev            = {
 162                .platform_data  = &palmte_backlight_config,
 163        },
 164};
 165
 166static struct platform_device *palmte_devices[] __initdata = {
 167        &palmte_rom_device,
 168        &palmte_kp_device,
 169        &palmte_lcd_device,
 170        &palmte_backlight_device,
 171};
 172
 173static struct omap_usb_config palmte_usb_config __initdata = {
 174        .register_dev   = 1,    /* Mini-B only receptacle */
 175        .hmc_mode       = 0,
 176        .pins[0]        = 2,
 177};
 178
 179static const struct omap_lcd_config palmte_lcd_config __initconst = {
 180        .ctrl_name      = "internal",
 181};
 182
 183static struct spi_board_info palmte_spi_info[] __initdata = {
 184        {
 185                .modalias       = "tsc2102",
 186                .bus_num        = 2,    /* uWire (officially) */
 187                .chip_select    = 0,    /* As opposed to 3 */
 188                .max_speed_hz   = 8000000,
 189        },
 190};
 191
 192static void __init palmte_misc_gpio_setup(void)
 193{
 194        /* Set TSC2102 PINTDAV pin as input (used by TSC2102 driver) */
 195        if (gpio_request(PALMTE_PINTDAV_GPIO, "TSC2102 PINTDAV") < 0) {
 196                printk(KERN_ERR "Could not reserve PINTDAV GPIO!\n");
 197                return;
 198        }
 199        gpio_direction_input(PALMTE_PINTDAV_GPIO);
 200
 201        /* Set USB-or-DC-IN pin as input (unused) */
 202        if (gpio_request(PALMTE_USB_OR_DC_GPIO, "USB/DC-IN") < 0) {
 203                printk(KERN_ERR "Could not reserve cable signal GPIO!\n");
 204                return;
 205        }
 206        gpio_direction_input(PALMTE_USB_OR_DC_GPIO);
 207}
 208
 209#if IS_ENABLED(CONFIG_MMC_OMAP)
 210
 211static struct omap_mmc_platform_data _palmte_mmc_config = {
 212        .nr_slots                       = 1,
 213        .slots[0]                       = {
 214                .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 215                .name                   = "mmcblk",
 216        },
 217};
 218
 219static struct omap_mmc_platform_data *palmte_mmc_config[OMAP15XX_NR_MMC] = {
 220        [0] = &_palmte_mmc_config,
 221};
 222
 223static void palmte_mmc_init(void)
 224{
 225        omap1_init_mmc(palmte_mmc_config, OMAP15XX_NR_MMC);
 226}
 227
 228#else /* CONFIG_MMC_OMAP */
 229
 230static void palmte_mmc_init(void)
 231{
 232}
 233
 234#endif /* CONFIG_MMC_OMAP */
 235
 236static void __init omap_palmte_init(void)
 237{
 238        /* mux pins for uarts */
 239        omap_cfg_reg(UART1_TX);
 240        omap_cfg_reg(UART1_RTS);
 241        omap_cfg_reg(UART2_TX);
 242        omap_cfg_reg(UART2_RTS);
 243        omap_cfg_reg(UART3_TX);
 244        omap_cfg_reg(UART3_RX);
 245
 246        platform_add_devices(palmte_devices, ARRAY_SIZE(palmte_devices));
 247
 248        palmte_spi_info[0].irq = gpio_to_irq(PALMTE_PINTDAV_GPIO);
 249        spi_register_board_info(palmte_spi_info, ARRAY_SIZE(palmte_spi_info));
 250        palmte_misc_gpio_setup();
 251        omap_serial_init();
 252        omap1_usb_init(&palmte_usb_config);
 253        omap_register_i2c_bus(1, 100, NULL, 0);
 254
 255        omapfb_set_lcd_config(&palmte_lcd_config);
 256        palmte_mmc_init();
 257}
 258
 259MACHINE_START(OMAP_PALMTE, "OMAP310 based Palm Tungsten E")
 260        .atag_offset    = 0x100,
 261        .map_io         = omap15xx_map_io,
 262        .init_early     = omap1_init_early,
 263        .init_irq       = omap1_init_irq,
 264        .handle_irq     = omap1_handle_irq,
 265        .init_machine   = omap_palmte_init,
 266        .init_late      = omap1_init_late,
 267        .init_time      = omap1_timer_init,
 268        .restart        = omap1_restart,
 269MACHINE_END
 270