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c49e1e63 SL |
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> | |
241cf473 | 30 | #include <linux/wm97xx.h> |
c49e1e63 | 31 | #include <linux/power_supply.h> |
eb73e622 | 32 | #include <linux/usb/gpio_vbus.h> |
c49e1e63 SL |
33 | |
34 | #include <asm/mach-types.h> | |
35 | #include <asm/mach/arch.h> | |
36 | #include <asm/mach/map.h> | |
37 | ||
51c62982 | 38 | #include <mach/pxa27x.h> |
c49e1e63 SL |
39 | #include <mach/audio.h> |
40 | #include <mach/palmz72.h> | |
41 | #include <mach/mmc.h> | |
42 | #include <mach/pxafb.h> | |
c49e1e63 | 43 | #include <mach/irda.h> |
4a2490ea | 44 | #include <plat/pxa27x_keypad.h> |
c49e1e63 | 45 | #include <mach/udc.h> |
eb73e622 | 46 | #include <mach/palmasoc.h> |
31620e21 | 47 | #include <mach/palm27x.h> |
eb73e622 | 48 | |
c49e1e63 SL |
49 | #include <mach/pm.h> |
50 | ||
51 | #include "generic.h" | |
52 | #include "devices.h" | |
53 | ||
54 | /****************************************************************************** | |
55 | * Pin configuration | |
56 | ******************************************************************************/ | |
57 | static 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, | |
eb73e622 MV |
74 | GPIO89_AC97_SYSCLK, |
75 | GPIO113_AC97_nRESET, | |
c49e1e63 SL |
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 */ | |
eb73e622 | 87 | GPIO95_GPIO, /* usb pullup */ |
c49e1e63 SL |
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 */ | |
bedbda97 EM |
99 | GPIOxx_LCD_TFT_16BPP, |
100 | ||
c49e1e63 SL |
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 | ||
c49e1e63 SL |
112 | /****************************************************************************** |
113 | * GPIO keyboard | |
114 | ******************************************************************************/ | |
31620e21 | 115 | #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE) |
c49e1e63 SL |
116 | static 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 | ||
132 | static 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 | ||
31620e21 | 141 | static void __init palmz72_kpc_init(void) |
c49e1e63 | 142 | { |
31620e21 | 143 | pxa_set_keypad_info(&palmz72_keypad_platform_data); |
c49e1e63 | 144 | } |
31620e21 MV |
145 | #else |
146 | static inline void palmz72_kpc_init(void) {} | |
147 | #endif | |
c49e1e63 SL |
148 | |
149 | /****************************************************************************** | |
150 | * LEDs | |
151 | ******************************************************************************/ | |
31620e21 | 152 | #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) |
c49e1e63 SL |
153 | static 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 | ||
161 | static struct gpio_led_platform_data gpio_led_info = { | |
162 | .leds = gpio_leds, | |
163 | .num_leds = ARRAY_SIZE(gpio_leds), | |
164 | }; | |
165 | ||
166 | static struct platform_device palmz72_leds = { | |
167 | .name = "leds-gpio", | |
168 | .id = -1, | |
169 | .dev = { | |
170 | .platform_data = &gpio_led_info, | |
171 | } | |
172 | }; | |
173 | ||
31620e21 | 174 | static void __init palmz72_leds_init(void) |
c49e1e63 | 175 | { |
31620e21 | 176 | platform_device_register(&palmz72_leds); |
c49e1e63 | 177 | } |
31620e21 MV |
178 | #else |
179 | static inline void palmz72_leds_init(void) {} | |
180 | #endif | |
c49e1e63 | 181 | |
fda50a1c SL |
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 | ||
196 | static 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 | ||
208 | static unsigned long store_ptr; | |
209 | ||
210 | /* sys_device for Palm Zire 72 PM */ | |
211 | ||
212 | static 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 | ||
226 | static int palmz72_pm_resume(struct sys_device *dev) | |
227 | { | |
228 | *PALMZ72_SAVE_DWORD = store_ptr; | |
229 | return 0; | |
230 | } | |
231 | ||
232 | static struct sysdev_class palmz72_pm_sysclass = { | |
233 | .name = "palmz72_pm", | |
234 | .suspend = palmz72_pm_suspend, | |
235 | .resume = palmz72_pm_resume, | |
236 | }; | |
237 | ||
238 | static struct sys_device palmz72_pm_device = { | |
239 | .cls = &palmz72_pm_sysclass, | |
240 | }; | |
241 | ||
242 | static 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 | ||
253 | device_initcall(palmz72_pm_init); | |
254 | #endif | |
255 | ||
c49e1e63 SL |
256 | /****************************************************************************** |
257 | * Machine init | |
258 | ******************************************************************************/ | |
c49e1e63 SL |
259 | static void __init palmz72_init(void) |
260 | { | |
261 | pxa2xx_mfp_config(ARRAY_AND_SIZE(palmz72_pin_config)); | |
cc155c6f RK |
262 | pxa_set_ffuart_info(NULL); |
263 | pxa_set_btuart_info(NULL); | |
264 | pxa_set_stuart_info(NULL); | |
265 | ||
31620e21 MV |
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(); | |
c49e1e63 SL |
279 | } |
280 | ||
281 | MACHINE_START(PALMZ72, "Palm Zire72") | |
c49e1e63 | 282 | .boot_params = 0xa0000100, |
851982c1 | 283 | .map_io = pxa27x_map_io, |
c49e1e63 SL |
284 | .init_irq = pxa27x_init_irq, |
285 | .timer = &pxa_timer, | |
286 | .init_machine = palmz72_init | |
287 | MACHINE_END |