arch/arm/mach-pxa/palmt5.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Hardware definitions for Palm Tungsten|T5
   4  *
   5  * Author:      Marek Vasut <marek.vasut@gmail.com>
   6  *
   7  * Based on work of:
   8  *              Ales Snuparek <snuparek@atlas.cz>
   9  *              Justin Kendrick <twilightsentry@gmail.com>
  10  *              RichardT5 <richard_t5@users.sourceforge.net>
  11  *
  12  * (find more info at www.hackndev.com)
  13  */
  14
  15 #include <linux/platform_device.h>
  16 #include <linux/delay.h>
  17 #include <linux/irq.h>
  18 #include <linux/gpio_keys.h>
  19 #include <linux/input.h>
  20 #include <linux/memblock.h>
  21 #include <linux/pda_power.h>
  22 #include <linux/pwm_backlight.h>
  23 #include <linux/gpio.h>
  24 #include <linux/wm97xx.h>
  25 #include <linux/power_supply.h>
  26
  27 #include <asm/mach-types.h>
  28 #include <asm/mach/arch.h>
  29 #include <asm/mach/map.h>
  30
  31 #include "pxa27x.h"
  32 #include <mach/audio.h>
  33 #include "palmt5.h"
  34 #include <linux/platform_data/mmc-pxamci.h>
  35 #include <linux/platform_data/video-pxafb.h>
  36 #include <linux/platform_data/irda-pxaficp.h>
  37 #include <linux/platform_data/keypad-pxa27x.h>
  38 #include "udc.h"
  39 #include <linux/platform_data/asoc-palm27x.h>
  40 #include "palm27x.h"
  41
  42 #include "generic.h"
  43 #include "devices.h"
  44
  45 /******************************************************************************
  46  * Pin configuration
  47  ******************************************************************************/
  48 static unsigned long palmt5_pin_config[] __initdata = {
  49         /* MMC */
  50         GPIO32_MMC_CLK,
  51         GPIO92_MMC_DAT_0,
  52         GPIO109_MMC_DAT_1,
  53         GPIO110_MMC_DAT_2,
  54         GPIO111_MMC_DAT_3,
  55         GPIO112_MMC_CMD,
  56         GPIO14_GPIO,    /* SD detect */
  57         GPIO114_GPIO,   /* SD power */
  58         GPIO115_GPIO,   /* SD r/o switch */
  59
  60         /* AC97 */
  61         GPIO28_AC97_BITCLK,
  62         GPIO29_AC97_SDATA_IN_0,
  63         GPIO30_AC97_SDATA_OUT,
  64         GPIO31_AC97_SYNC,
  65         GPIO89_AC97_SYSCLK,
  66         GPIO95_AC97_nRESET,
  67
  68         /* IrDA */
  69         GPIO40_GPIO,    /* ir disable */
  70         GPIO46_FICP_RXD,
  71         GPIO47_FICP_TXD,
  72
  73         /* USB */
  74         GPIO15_GPIO,    /* usb detect */
  75         GPIO93_GPIO,    /* usb power */
  76
  77         /* MATRIX KEYPAD */
  78         GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
  79         GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
  80         GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
  81         GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
  82         GPIO103_KP_MKOUT_0,
  83         GPIO104_KP_MKOUT_1,
  84         GPIO105_KP_MKOUT_2,
  85
  86         /* LCD */
  87         GPIOxx_LCD_TFT_16BPP,
  88
  89         /* PWM */
  90         GPIO16_PWM0_OUT,
  91
  92         /* FFUART */
  93         GPIO34_FFUART_RXD,
  94         GPIO39_FFUART_TXD,
  95
  96         /* MISC */
  97         GPIO10_GPIO,    /* hotsync button */
  98         GPIO90_GPIO,    /* power detect */
  99         GPIO107_GPIO,   /* earphone detect */
 100 };
 101
 102 /******************************************************************************
 103  * GPIO keyboard
 104  ******************************************************************************/
 105 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
 106 static const unsigned int palmt5_matrix_keys[] = {
 107         KEY(0, 0, KEY_POWER),
 108         KEY(0, 1, KEY_F1),
 109         KEY(0, 2, KEY_ENTER),
 110
 111         KEY(1, 0, KEY_F2),
 112         KEY(1, 1, KEY_F3),
 113         KEY(1, 2, KEY_F4),
 114
 115         KEY(2, 0, KEY_UP),
 116         KEY(2, 2, KEY_DOWN),
 117
 118         KEY(3, 0, KEY_RIGHT),
 119         KEY(3, 2, KEY_LEFT),
 120 };
 121
 122 static struct matrix_keymap_data palmt5_matrix_keymap_data = {
 123         .keymap                 = palmt5_matrix_keys,
 124         .keymap_size            = ARRAY_SIZE(palmt5_matrix_keys),
 125 };
 126
 127 static struct pxa27x_keypad_platform_data palmt5_keypad_platform_data = {
 128         .matrix_key_rows        = 4,
 129         .matrix_key_cols        = 3,
 130         .matrix_keymap_data     = &palmt5_matrix_keymap_data,
 131
 132         .debounce_interval      = 30,
 133 };
 134
 135 static void __init palmt5_kpc_init(void)
 136 {
 137         pxa_set_keypad_info(&palmt5_keypad_platform_data);
 138 }
 139 #else
 140 static inline void palmt5_kpc_init(void) {}
 141 #endif
 142
 143 /******************************************************************************
 144  * GPIO keys
 145  ******************************************************************************/
 146 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 147 static struct gpio_keys_button palmt5_pxa_buttons[] = {
 148         {KEY_F8, GPIO_NR_PALMT5_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
 149 };
 150
 151 static struct gpio_keys_platform_data palmt5_pxa_keys_data = {
 152         .buttons        = palmt5_pxa_buttons,
 153         .nbuttons       = ARRAY_SIZE(palmt5_pxa_buttons),
 154 };
 155
 156 static struct platform_device palmt5_pxa_keys = {
 157         .name   = "gpio-keys",
 158         .id     = -1,
 159         .dev    = {
 160                 .platform_data = &palmt5_pxa_keys_data,
 161         },
 162 };
 163
 164 static void __init palmt5_keys_init(void)
 165 {
 166         platform_device_register(&palmt5_pxa_keys);
 167 }
 168 #else
 169 static inline void palmt5_keys_init(void) {}
 170 #endif
 171
 172 /******************************************************************************
 173  * Machine init
 174  ******************************************************************************/
 175 static void __init palmt5_reserve(void)
 176 {
 177         memblock_reserve(0xa0200000, 0x1000);
 178 }
 179
 180 static struct gpiod_lookup_table palmt5_mci_gpio_table = {
 181         .dev_id = "pxa2xx-mci.0",
 182         .table = {
 183                 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMT5_SD_DETECT_N,
 184                             "cd", GPIO_ACTIVE_LOW),
 185                 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMT5_SD_READONLY,
 186                             "wp", GPIO_ACTIVE_LOW),
 187                 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMT5_SD_POWER,
 188                             "power", GPIO_ACTIVE_HIGH),
 189                 { },
 190         },
 191 };
 192
 193 static void __init palmt5_init(void)
 194 {
 195         pxa2xx_mfp_config(ARRAY_AND_SIZE(palmt5_pin_config));
 196         pxa_set_ffuart_info(NULL);
 197         pxa_set_btuart_info(NULL);
 198         pxa_set_stuart_info(NULL);
 199
 200         palm27x_mmc_init(&palmt5_mci_gpio_table);
 201         palm27x_pm_init(PALMT5_STR_BASE);
 202         palm27x_lcd_init(-1, &palm_320x480_lcd_mode);
 203         palm27x_udc_init(GPIO_NR_PALMT5_USB_DETECT_N,
 204                         GPIO_NR_PALMT5_USB_PULLUP, 1);
 205         palm27x_irda_init(GPIO_NR_PALMT5_IR_DISABLE);
 206         palm27x_ac97_init(PALMT5_BAT_MIN_VOLTAGE, PALMT5_BAT_MAX_VOLTAGE,
 207                         GPIO_NR_PALMT5_EARPHONE_DETECT, 95);
 208         palm27x_pwm_init(GPIO_NR_PALMT5_BL_POWER, GPIO_NR_PALMT5_LCD_POWER);
 209         palm27x_power_init(GPIO_NR_PALMT5_POWER_DETECT, -1);
 210         palm27x_pmic_init();
 211         palmt5_kpc_init();
 212         palmt5_keys_init();
 213 }
 214
 215 MACHINE_START(PALMT5, "Palm Tungsten|T5")
 216         .atag_offset    = 0x100,
 217         .map_io         = pxa27x_map_io,
 218         .reserve        = palmt5_reserve,
 219         .nr_irqs        = PXA_NR_IRQS,
 220         .init_irq       = pxa27x_init_irq,
 221         .handle_irq     = pxa27x_handle_irq,
 222         .init_time      = pxa_timer_init,
 223         .init_machine   = palmt5_init,
 224         .restart        = pxa_restart,
 225 MACHINE_END