arch/arm/mach-pxa/palmt5.c

   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 "pxa27x.h"
  37 #include <mach/audio.h>
  38 #include "palmt5.h"
  39 #include <linux/platform_data/mmc-pxamci.h>
  40 #include <linux/platform_data/video-pxafb.h>
  41 #include <linux/platform_data/irda-pxaficp.h>
  42 #include <linux/platform_data/keypad-pxa27x.h>
  43 #include "udc.h"
  44 #include <linux/platform_data/asoc-palm27x.h>
  45 #include "palm27x.h"
  46
  47 #include "generic.h"
  48 #include "devices.h"
  49
  50 /******************************************************************************
  51  * Pin configuration
  52  ******************************************************************************/
  53 static 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)
 111 static const 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
 127 static struct matrix_keymap_data palmt5_matrix_keymap_data = {
 128         .keymap                 = palmt5_matrix_keys,
 129         .keymap_size            = ARRAY_SIZE(palmt5_matrix_keys),
 130 };
 131
 132 static struct pxa27x_keypad_platform_data palmt5_keypad_platform_data = {
 133         .matrix_key_rows        = 4,
 134         .matrix_key_cols        = 3,
 135         .matrix_keymap_data     = &palmt5_matrix_keymap_data,
 136
 137         .debounce_interval      = 30,
 138 };
 139
 140 static void __init palmt5_kpc_init(void)
 141 {
 142         pxa_set_keypad_info(&palmt5_keypad_platform_data);
 143 }
 144 #else
 145 static inline void palmt5_kpc_init(void) {}
 146 #endif
 147
 148 /******************************************************************************
 149  * GPIO keys
 150  ******************************************************************************/
 151 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 152 static struct gpio_keys_button palmt5_pxa_buttons[] = {
 153         {KEY_F8, GPIO_NR_PALMT5_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
 154 };
 155
 156 static struct gpio_keys_platform_data palmt5_pxa_keys_data = {
 157         .buttons        = palmt5_pxa_buttons,
 158         .nbuttons       = ARRAY_SIZE(palmt5_pxa_buttons),
 159 };
 160
 161 static struct platform_device palmt5_pxa_keys = {
 162         .name   = "gpio-keys",
 163         .id     = -1,
 164         .dev    = {
 165                 .platform_data = &palmt5_pxa_keys_data,
 166         },
 167 };
 168
 169 static void __init palmt5_keys_init(void)
 170 {
 171         platform_device_register(&palmt5_pxa_keys);
 172 }
 173 #else
 174 static inline void palmt5_keys_init(void) {}
 175 #endif
 176
 177 /******************************************************************************
 178  * Machine init
 179  ******************************************************************************/
 180 static void __init palmt5_reserve(void)
 181 {
 182         memblock_reserve(0xa0200000, 0x1000);
 183 }
 184
 185 static struct gpiod_lookup_table palmt5_mci_gpio_table = {
 186         .dev_id = "pxa2xx-mci.0",
 187         .table = {
 188                 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMT5_SD_DETECT_N,
 189                             "cd", GPIO_ACTIVE_LOW),
 190                 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMT5_SD_READONLY,
 191                             "wp", GPIO_ACTIVE_LOW),
 192                 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMT5_SD_POWER,
 193                             "power", GPIO_ACTIVE_HIGH),
 194                 { },
 195         },
 196 };
 197
 198 static void __init palmt5_init(void)
 199 {
 200         pxa2xx_mfp_config(ARRAY_AND_SIZE(palmt5_pin_config));
 201         pxa_set_ffuart_info(NULL);
 202         pxa_set_btuart_info(NULL);
 203         pxa_set_stuart_info(NULL);
 204
 205         palm27x_mmc_init(&palmt5_mci_gpio_table);
 206         palm27x_pm_init(PALMT5_STR_BASE);
 207         palm27x_lcd_init(-1, &palm_320x480_lcd_mode);
 208         palm27x_udc_init(GPIO_NR_PALMT5_USB_DETECT_N,
 209                         GPIO_NR_PALMT5_USB_PULLUP, 1);
 210         palm27x_irda_init(GPIO_NR_PALMT5_IR_DISABLE);
 211         palm27x_ac97_init(PALMT5_BAT_MIN_VOLTAGE, PALMT5_BAT_MAX_VOLTAGE,
 212                         GPIO_NR_PALMT5_EARPHONE_DETECT, 95);
 213         palm27x_pwm_init(GPIO_NR_PALMT5_BL_POWER, GPIO_NR_PALMT5_LCD_POWER);
 214         palm27x_power_init(GPIO_NR_PALMT5_POWER_DETECT, -1);
 215         palm27x_pmic_init();
 216         palmt5_kpc_init();
 217         palmt5_keys_init();
 218 }
 219
 220 MACHINE_START(PALMT5, "Palm Tungsten|T5")
 221         .atag_offset    = 0x100,
 222         .map_io         = pxa27x_map_io,
 223         .reserve        = palmt5_reserve,
 224         .nr_irqs        = PXA_NR_IRQS,
 225         .init_irq       = pxa27x_init_irq,
 226         .handle_irq     = pxa27x_handle_irq,
 227         .init_time      = pxa_timer_init,
 228         .init_machine   = palmt5_init,
 229         .restart        = pxa_restart,
 230 MACHINE_END