linux/arch/arm/mach-pxa/palmt5.c
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   1/*
   2 * Hardware definitions for Palm Tungsten|T5
   3 *
   4 * Author:      Marek Vasut <marek.vasut@gmail.com>
   5 *
   6 * Based on work of:
   7 *              Ales Snuparek <snuparek@atlas.cz>
   8 *              Justin Kendrick <twilightsentry@gmail.com>
   9 *              RichardT5 <richard_t5@users.sourceforge.net>
  10 *
  11 * This program is free software; you can redistribute it and/or modify
  12 * it under the terms of the GNU General Public License version 2 as
  13 * published by the Free Software Foundation.
  14 *
  15 * (find more info at www.hackndev.com)
  16 *
  17 */
  18
  19#include <linux/platform_device.h>
  20#include <linux/delay.h>
  21#include <linux/irq.h>
  22#include <linux/gpio_keys.h>
  23#include <linux/input.h>
  24#include <linux/memblock.h>
  25#include <linux/pda_power.h>
  26#include <linux/pwm_backlight.h>
  27#include <linux/gpio.h>
  28#include <linux/wm97xx.h>
  29#include <linux/power_supply.h>
  30#include <linux/usb/gpio_vbus.h>
  31
  32#include <asm/mach-types.h>
  33#include <asm/mach/arch.h>
  34#include <asm/mach/map.h>
  35
  36#include <mach/pxa27x.h>
  37#include <mach/audio.h>
  38#include <mach/palmt5.h>
  39#include <mach/mmc.h>
  40#include <mach/pxafb.h>
  41#include <mach/irda.h>
  42#include <plat/pxa27x_keypad.h>
  43#include <mach/udc.h>
  44#include <mach/palmasoc.h>
  45#include <mach/palm27x.h>
  46
  47#include "generic.h"
  48#include "devices.h"
  49
  50/******************************************************************************
  51 * Pin configuration
  52 ******************************************************************************/
  53static unsigned long palmt5_pin_config[] __initdata = {
  54        /* MMC */
  55        GPIO32_MMC_CLK,
  56        GPIO92_MMC_DAT_0,
  57        GPIO109_MMC_DAT_1,
  58        GPIO110_MMC_DAT_2,
  59        GPIO111_MMC_DAT_3,
  60        GPIO112_MMC_CMD,
  61        GPIO14_GPIO,    /* SD detect */
  62        GPIO114_GPIO,   /* SD power */
  63        GPIO115_GPIO,   /* SD r/o switch */
  64
  65        /* AC97 */
  66        GPIO28_AC97_BITCLK,
  67        GPIO29_AC97_SDATA_IN_0,
  68        GPIO30_AC97_SDATA_OUT,
  69        GPIO31_AC97_SYNC,
  70        GPIO89_AC97_SYSCLK,
  71        GPIO95_AC97_nRESET,
  72
  73        /* IrDA */
  74        GPIO40_GPIO,    /* ir disable */
  75        GPIO46_FICP_RXD,
  76        GPIO47_FICP_TXD,
  77
  78        /* USB */
  79        GPIO15_GPIO,    /* usb detect */
  80        GPIO93_GPIO,    /* usb power */
  81
  82        /* MATRIX KEYPAD */
  83        GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
  84        GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
  85        GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
  86        GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
  87        GPIO103_KP_MKOUT_0,
  88        GPIO104_KP_MKOUT_1,
  89        GPIO105_KP_MKOUT_2,
  90
  91        /* LCD */
  92        GPIOxx_LCD_TFT_16BPP,
  93
  94        /* PWM */
  95        GPIO16_PWM0_OUT,
  96
  97        /* FFUART */
  98        GPIO34_FFUART_RXD,
  99        GPIO39_FFUART_TXD,
 100
 101        /* MISC */
 102        GPIO10_GPIO,    /* hotsync button */
 103        GPIO90_GPIO,    /* power detect */
 104        GPIO107_GPIO,   /* earphone detect */
 105};
 106
 107/******************************************************************************
 108 * GPIO keyboard
 109 ******************************************************************************/
 110#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
 111static unsigned int palmt5_matrix_keys[] = {
 112        KEY(0, 0, KEY_POWER),
 113        KEY(0, 1, KEY_F1),
 114        KEY(0, 2, KEY_ENTER),
 115
 116        KEY(1, 0, KEY_F2),
 117        KEY(1, 1, KEY_F3),
 118        KEY(1, 2, KEY_F4),
 119
 120        KEY(2, 0, KEY_UP),
 121        KEY(2, 2, KEY_DOWN),
 122
 123        KEY(3, 0, KEY_RIGHT),
 124        KEY(3, 2, KEY_LEFT),
 125};
 126
 127static struct pxa27x_keypad_platform_data palmt5_keypad_platform_data = {
 128        .matrix_key_rows        = 4,
 129        .matrix_key_cols        = 3,
 130        .matrix_key_map         = palmt5_matrix_keys,
 131        .matrix_key_map_size    = ARRAY_SIZE(palmt5_matrix_keys),
 132
 133        .debounce_interval      = 30,
 134};
 135
 136static void __init palmt5_kpc_init(void)
 137{
 138        pxa_set_keypad_info(&palmt5_keypad_platform_data);
 139}
 140#else
 141static inline void palmt5_kpc_init(void) {}
 142#endif
 143
 144/******************************************************************************
 145 * GPIO keys
 146 ******************************************************************************/
 147#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 148static struct gpio_keys_button palmt5_pxa_buttons[] = {
 149        {KEY_F8, GPIO_NR_PALMT5_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
 150};
 151
 152static struct gpio_keys_platform_data palmt5_pxa_keys_data = {
 153        .buttons        = palmt5_pxa_buttons,
 154        .nbuttons       = ARRAY_SIZE(palmt5_pxa_buttons),
 155};
 156
 157static struct platform_device palmt5_pxa_keys = {
 158        .name   = "gpio-keys",
 159        .id     = -1,
 160        .dev    = {
 161                .platform_data = &palmt5_pxa_keys_data,
 162        },
 163};
 164
 165static void __init palmt5_keys_init(void)
 166{
 167        platform_device_register(&palmt5_pxa_keys);
 168}
 169#else
 170static inline void palmt5_keys_init(void) {}
 171#endif
 172
 173/******************************************************************************
 174 * Machine init
 175 ******************************************************************************/
 176static void __init palmt5_reserve(void)
 177{
 178        memblock_reserve(0xa0200000, 0x1000);
 179}
 180
 181static void __init palmt5_init(void)
 182{
 183        pxa2xx_mfp_config(ARRAY_AND_SIZE(palmt5_pin_config));
 184        pxa_set_ffuart_info(NULL);
 185        pxa_set_btuart_info(NULL);
 186        pxa_set_stuart_info(NULL);
 187
 188        palm27x_mmc_init(GPIO_NR_PALMT5_SD_DETECT_N, GPIO_NR_PALMT5_SD_READONLY,
 189                        GPIO_NR_PALMT5_SD_POWER, 0);
 190        palm27x_pm_init(PALMT5_STR_BASE);
 191        palm27x_lcd_init(-1, &palm_320x480_lcd_mode);
 192        palm27x_udc_init(GPIO_NR_PALMT5_USB_DETECT_N,
 193                        GPIO_NR_PALMT5_USB_PULLUP, 1);
 194        palm27x_irda_init(GPIO_NR_PALMT5_IR_DISABLE);
 195        palm27x_ac97_init(PALMT5_BAT_MIN_VOLTAGE, PALMT5_BAT_MAX_VOLTAGE,
 196                        GPIO_NR_PALMT5_EARPHONE_DETECT, 95);
 197        palm27x_pwm_init(GPIO_NR_PALMT5_BL_POWER, GPIO_NR_PALMT5_LCD_POWER);
 198        palm27x_power_init(GPIO_NR_PALMT5_POWER_DETECT, -1);
 199        palm27x_pmic_init();
 200        palmt5_kpc_init();
 201        palmt5_keys_init();
 202}
 203
 204MACHINE_START(PALMT5, "Palm Tungsten|T5")
 205        .boot_params    = 0xa0000100,
 206        .map_io         = pxa27x_map_io,
 207        .reserve        = palmt5_reserve,
 208        .init_irq       = pxa27x_init_irq,
 209        .timer          = &pxa_timer,
 210        .init_machine   = palmt5_init
 211MACHINE_END
 212