1/* 2 * Hardware definitions for Palm Zire72 3 * 4 * Authors: 5 * Vladimir "Farcaller" Pouzanov <farcaller@gmail.com> 6 * Sergey Lapin <slapin@ossfans.org> 7 * Alex Osborne <bobofdoom@gmail.com> 8 * Jan Herman <2hp@seznam.cz> 9 * 10 * Rewrite for mainline: 11 * Marek Vasut <marek.vasut@gmail.com> 12 * 13 * This program is free software; you can redistribute it and/or modify 14 * it under the terms of the GNU General Public License version 2 as 15 * published by the Free Software Foundation. 16 * 17 * (find more info at www.hackndev.com) 18 * 19 */ 20 21#include <linux/platform_device.h> 22#include <linux/sysdev.h> 23#include <linux/delay.h> 24#include <linux/irq.h> 25#include <linux/gpio_keys.h> 26#include <linux/input.h> 27#include <linux/pda_power.h> 28#include <linux/pwm_backlight.h> 29#include <linux/gpio.h> 30#include <linux/wm97xx.h> 31#include <linux/power_supply.h> 32#include <linux/usb/gpio_vbus.h> 33 34#include <asm/mach-types.h> 35#include <asm/mach/arch.h> 36#include <asm/mach/map.h> 37 38#include <mach/pxa27x.h> 39#include <mach/audio.h> 40#include <mach/palmz72.h> 41#include <mach/mmc.h> 42#include <mach/pxafb.h> 43#include <mach/irda.h> 44#include <mach/pxa27x_keypad.h> 45#include <mach/udc.h> 46#include <mach/palmasoc.h> 47#include <mach/palm27x.h> 48 49#include <mach/pm.h> 50 51#include "generic.h" 52#include "devices.h" 53 54/****************************************************************************** 55 * Pin configuration 56 ******************************************************************************/ 57static unsigned long palmz72_pin_config[] __initdata = { 58 /* MMC */ 59 GPIO32_MMC_CLK, 60 GPIO92_MMC_DAT_0, 61 GPIO109_MMC_DAT_1, 62 GPIO110_MMC_DAT_2, 63 GPIO111_MMC_DAT_3, 64 GPIO112_MMC_CMD, 65 GPIO14_GPIO, /* SD detect */ 66 GPIO115_GPIO, /* SD RO */ 67 GPIO98_GPIO, /* SD power */ 68 69 /* AC97 */ 70 GPIO28_AC97_BITCLK, 71 GPIO29_AC97_SDATA_IN_0, 72 GPIO30_AC97_SDATA_OUT, 73 GPIO31_AC97_SYNC, 74 GPIO89_AC97_SYSCLK, 75 GPIO113_AC97_nRESET, 76 77 /* IrDA */ 78 GPIO49_GPIO, /* ir disable */ 79 GPIO46_FICP_RXD, 80 GPIO47_FICP_TXD, 81 82 /* PWM */ 83 GPIO16_PWM0_OUT, 84 85 /* USB */ 86 GPIO15_GPIO, /* usb detect */ 87 GPIO95_GPIO, /* usb pullup */ 88 89 /* Matrix keypad */ 90 GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH, 91 GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH, 92 GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH, 93 GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH, 94 GPIO103_KP_MKOUT_0, 95 GPIO104_KP_MKOUT_1, 96 GPIO105_KP_MKOUT_2, 97 98 /* LCD */ 99 GPIOxx_LCD_TFT_16BPP, 100 101 GPIO20_GPIO, /* bl power */ 102 GPIO21_GPIO, /* LCD border switch */ 103 GPIO22_GPIO, /* LCD border color */ 104 GPIO96_GPIO, /* lcd power */ 105 106 /* Misc. */ 107 GPIO0_GPIO | WAKEUP_ON_LEVEL_HIGH, /* power detect */ 108 GPIO88_GPIO, /* green led */ 109 GPIO27_GPIO, /* WM9712 IRQ */ 110}; 111 112/****************************************************************************** 113 * GPIO keyboard 114 ******************************************************************************/ 115#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE) 116static unsigned int palmz72_matrix_keys[] = { 117 KEY(0, 0, KEY_POWER), 118 KEY(0, 1, KEY_F1), 119 KEY(0, 2, KEY_ENTER), 120 121 KEY(1, 0, KEY_F2), 122 KEY(1, 1, KEY_F3), 123 KEY(1, 2, KEY_F4), 124 125 KEY(2, 0, KEY_UP), 126 KEY(2, 2, KEY_DOWN), 127 128 KEY(3, 0, KEY_RIGHT), 129 KEY(3, 2, KEY_LEFT), 130}; 131 132static struct pxa27x_keypad_platform_data palmz72_keypad_platform_data = { 133 .matrix_key_rows = 4, 134 .matrix_key_cols = 3, 135 .matrix_key_map = palmz72_matrix_keys, 136 .matrix_key_map_size = ARRAY_SIZE(palmz72_matrix_keys), 137 138 .debounce_interval = 30, 139}; 140 141static void __init palmz72_kpc_init(void) 142{ 143 pxa_set_keypad_info(&palmz72_keypad_platform_data); 144} 145#else 146static inline void palmz72_kpc_init(void) {} 147#endif 148 149/****************************************************************************** 150 * LEDs 151 ******************************************************************************/ 152#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) 153static struct gpio_led gpio_leds[] = { 154 { 155 .name = "palmz72:green:led", 156 .default_trigger = "none", 157 .gpio = GPIO_NR_PALMZ72_LED_GREEN, 158 }, 159}; 160 161static struct gpio_led_platform_data gpio_led_info = { 162 .leds = gpio_leds, 163 .num_leds = ARRAY_SIZE(gpio_leds), 164}; 165 166static struct platform_device palmz72_leds = { 167 .name = "leds-gpio", 168 .id = -1, 169 .dev = { 170 .platform_data = &gpio_led_info, 171 } 172}; 173 174static void __init palmz72_leds_init(void) 175{ 176 platform_device_register(&palmz72_leds); 177} 178#else 179static inline void palmz72_leds_init(void) {} 180#endif 181 182#ifdef CONFIG_PM 183 184/* We have some black magic here 185 * PalmOS ROM on recover expects special struct physical address 186 * to be transferred via PSPR. Using this struct PalmOS restores 187 * its state after sleep. As for Linux, we need to setup it the 188 * same way. More than that, PalmOS ROM changes some values in memory. 189 * For now only one location is found, which needs special treatment. 190 * Thanks to Alex Osborne, Andrzej Zaborowski, and lots of other people 191 * for reading backtraces for me :) 192 */ 193 194#define PALMZ72_SAVE_DWORD ((unsigned long *)0xc0000050) 195 196static struct palmz72_resume_info palmz72_resume_info = { 197 .magic0 = 0xb4e6, 198 .magic1 = 1, 199 200 /* reset state, MMU off etc */ 201 .arm_control = 0, 202 .aux_control = 0, 203 .ttb = 0, 204 .domain_access = 0, 205 .process_id = 0, 206}; 207 208static unsigned long store_ptr; 209 210/* sys_device for Palm Zire 72 PM */ 211 212static int palmz72_pm_suspend(struct sys_device *dev, pm_message_t msg) 213{ 214 /* setup the resume_info struct for the original bootloader */ 215 palmz72_resume_info.resume_addr = (u32) pxa_cpu_resume; 216 217 /* Storing memory touched by ROM */ 218 store_ptr = *PALMZ72_SAVE_DWORD; 219 220 /* Setting PSPR to a proper value */ 221 PSPR = virt_to_phys(&palmz72_resume_info); 222 223 return 0; 224} 225 226static int palmz72_pm_resume(struct sys_device *dev) 227{ 228 *PALMZ72_SAVE_DWORD = store_ptr; 229 return 0; 230} 231 232static struct sysdev_class palmz72_pm_sysclass = { 233 .name = "palmz72_pm", 234 .suspend = palmz72_pm_suspend, 235 .resume = palmz72_pm_resume, 236}; 237 238static struct sys_device palmz72_pm_device = { 239 .cls = &palmz72_pm_sysclass, 240}; 241 242static int __init palmz72_pm_init(void) 243{ 244 int ret = -ENODEV; 245 if (machine_is_palmz72()) { 246 ret = sysdev_class_register(&palmz72_pm_sysclass); 247 if (ret == 0) 248 ret = sysdev_register(&palmz72_pm_device); 249 } 250 return ret; 251} 252 253device_initcall(palmz72_pm_init); 254#endif 255 256/****************************************************************************** 257 * Machine init 258 ******************************************************************************/ 259static void __init palmz72_init(void) 260{ 261 pxa2xx_mfp_config(ARRAY_AND_SIZE(palmz72_pin_config)); 262 pxa_set_ffuart_info(NULL); 263 pxa_set_btuart_info(NULL); 264 pxa_set_stuart_info(NULL); 265 266 palm27x_mmc_init(GPIO_NR_PALMZ72_SD_DETECT_N, GPIO_NR_PALMZ72_SD_RO, 267 GPIO_NR_PALMZ72_SD_POWER_N, 1); 268 palm27x_lcd_init(-1, &palm_320x320_lcd_mode); 269 palm27x_udc_init(GPIO_NR_PALMZ72_USB_DETECT_N, 270 GPIO_NR_PALMZ72_USB_PULLUP, 0); 271 palm27x_irda_init(GPIO_NR_PALMZ72_IR_DISABLE); 272 palm27x_ac97_init(PALMZ72_BAT_MIN_VOLTAGE, PALMZ72_BAT_MAX_VOLTAGE, 273 -1, 113); 274 palm27x_pwm_init(-1, -1); 275 palm27x_power_init(-1, -1); 276 palm27x_pmic_init(); 277 palmz72_kpc_init(); 278 palmz72_leds_init(); 279} 280 281MACHINE_START(PALMZ72, "Palm Zire72") 282 .phys_io = 0x40000000, 283 .io_pg_offst = io_p2v(0x40000000), 284 .boot_params = 0xa0000100, 285 .map_io = pxa_map_io, 286 .init_irq = pxa27x_init_irq, 287 .timer = &pxa_timer, 288 .init_machine = palmz72_init 289MACHINE_END 290