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54088bf5 MV |
1 | /* |
2 | * Hardware definitions for Palm Tungsten|E2 | |
3 | * | |
4 | * Author: | |
5 | * Carlos Eduardo Medaglia Dyonisio <cadu@nerdfeliz.com> | |
6 | * | |
7 | * Rewrite for mainline: | |
8 | * Marek Vasut <marek.vasut@gmail.com> | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License version 2 as | |
12 | * published by the Free Software Foundation. | |
13 | * | |
14 | * (find more info at www.hackndev.com) | |
15 | * | |
16 | */ | |
17 | ||
18 | #include <linux/platform_device.h> | |
19 | #include <linux/delay.h> | |
20 | #include <linux/irq.h> | |
21 | #include <linux/gpio_keys.h> | |
22 | #include <linux/input.h> | |
8c8aa5fa | 23 | #include <linux/pda_power.h> |
54088bf5 MV |
24 | #include <linux/pwm_backlight.h> |
25 | #include <linux/gpio.h> | |
241cf473 | 26 | #include <linux/wm97xx.h> |
8c8aa5fa | 27 | #include <linux/power_supply.h> |
8768dc9b | 28 | #include <linux/usb/gpio_vbus.h> |
54088bf5 MV |
29 | |
30 | #include <asm/mach-types.h> | |
31 | #include <asm/mach/arch.h> | |
32 | #include <asm/mach/map.h> | |
33 | ||
ca0e687c | 34 | #include <mach/pxa25x.h> |
54088bf5 MV |
35 | #include <mach/audio.h> |
36 | #include <mach/palmte2.h> | |
37 | #include <mach/mmc.h> | |
38 | #include <mach/pxafb.h> | |
8c8aa5fa MV |
39 | #include <mach/irda.h> |
40 | #include <mach/udc.h> | |
37330efd | 41 | #include <mach/palmasoc.h> |
54088bf5 MV |
42 | |
43 | #include "generic.h" | |
44 | #include "devices.h" | |
45 | ||
46 | /****************************************************************************** | |
47 | * Pin configuration | |
48 | ******************************************************************************/ | |
49 | static unsigned long palmte2_pin_config[] __initdata = { | |
50 | /* MMC */ | |
51 | GPIO6_MMC_CLK, | |
52 | GPIO8_MMC_CS0, | |
53 | GPIO10_GPIO, /* SD detect */ | |
54 | GPIO55_GPIO, /* SD power */ | |
55 | GPIO51_GPIO, /* SD r/o switch */ | |
56 | ||
57 | /* AC97 */ | |
58 | GPIO28_AC97_BITCLK, | |
59 | GPIO29_AC97_SDATA_IN_0, | |
60 | GPIO30_AC97_SDATA_OUT, | |
61 | GPIO31_AC97_SYNC, | |
62 | ||
63 | /* PWM */ | |
64 | GPIO16_PWM0_OUT, | |
65 | ||
8c8aa5fa MV |
66 | /* USB */ |
67 | GPIO15_GPIO, /* usb detect */ | |
68 | GPIO53_GPIO, /* usb power */ | |
69 | ||
70 | /* IrDA */ | |
71 | GPIO48_GPIO, /* ir disable */ | |
72 | GPIO46_FICP_RXD, | |
73 | GPIO47_FICP_TXD, | |
74 | ||
54088bf5 | 75 | /* LCD */ |
07bae6c3 | 76 | GPIOxx_LCD_TFT_16BPP, |
54088bf5 MV |
77 | |
78 | /* GPIO KEYS */ | |
79 | GPIO5_GPIO, /* notes */ | |
80 | GPIO7_GPIO, /* tasks */ | |
81 | GPIO11_GPIO, /* calendar */ | |
82 | GPIO13_GPIO, /* contacts */ | |
83 | GPIO14_GPIO, /* center */ | |
84 | GPIO19_GPIO, /* left */ | |
85 | GPIO20_GPIO, /* right */ | |
86 | GPIO21_GPIO, /* down */ | |
87 | GPIO22_GPIO, /* up */ | |
88 | ||
89 | /* MISC */ | |
90 | GPIO1_RST, /* reset */ | |
8c8aa5fa MV |
91 | GPIO4_GPIO, /* Hotsync button */ |
92 | GPIO9_GPIO, /* power detect */ | |
37330efd | 93 | GPIO15_GPIO, /* earphone detect */ |
8c8aa5fa MV |
94 | GPIO37_GPIO, /* LCD power */ |
95 | GPIO56_GPIO, /* Backlight power */ | |
54088bf5 MV |
96 | }; |
97 | ||
98 | /****************************************************************************** | |
99 | * SD/MMC card controller | |
100 | ******************************************************************************/ | |
54088bf5 | 101 | static struct pxamci_platform_data palmte2_mci_platform_data = { |
7a648256 RJ |
102 | .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, |
103 | .gpio_card_detect = GPIO_NR_PALMTE2_SD_DETECT_N, | |
104 | .gpio_card_ro = GPIO_NR_PALMTE2_SD_READONLY, | |
105 | .gpio_power = GPIO_NR_PALMTE2_SD_POWER, | |
54088bf5 MV |
106 | }; |
107 | ||
108 | /****************************************************************************** | |
109 | * GPIO keys | |
110 | ******************************************************************************/ | |
111 | static struct gpio_keys_button palmte2_pxa_buttons[] = { | |
112 | {KEY_F1, GPIO_NR_PALMTE2_KEY_CONTACTS, 1, "Contacts" }, | |
113 | {KEY_F2, GPIO_NR_PALMTE2_KEY_CALENDAR, 1, "Calendar" }, | |
114 | {KEY_F3, GPIO_NR_PALMTE2_KEY_TASKS, 1, "Tasks" }, | |
115 | {KEY_F4, GPIO_NR_PALMTE2_KEY_NOTES, 1, "Notes" }, | |
116 | {KEY_ENTER, GPIO_NR_PALMTE2_KEY_CENTER, 1, "Center" }, | |
117 | {KEY_LEFT, GPIO_NR_PALMTE2_KEY_LEFT, 1, "Left" }, | |
118 | {KEY_RIGHT, GPIO_NR_PALMTE2_KEY_RIGHT, 1, "Right" }, | |
119 | {KEY_DOWN, GPIO_NR_PALMTE2_KEY_DOWN, 1, "Down" }, | |
120 | {KEY_UP, GPIO_NR_PALMTE2_KEY_UP, 1, "Up" }, | |
121 | }; | |
122 | ||
123 | static struct gpio_keys_platform_data palmte2_pxa_keys_data = { | |
124 | .buttons = palmte2_pxa_buttons, | |
125 | .nbuttons = ARRAY_SIZE(palmte2_pxa_buttons), | |
126 | }; | |
127 | ||
128 | static struct platform_device palmte2_pxa_keys = { | |
129 | .name = "gpio-keys", | |
130 | .id = -1, | |
131 | .dev = { | |
132 | .platform_data = &palmte2_pxa_keys_data, | |
133 | }, | |
134 | }; | |
135 | ||
136 | /****************************************************************************** | |
137 | * Backlight | |
138 | ******************************************************************************/ | |
7428fff2 MV |
139 | static struct gpio palmte_bl_gpios[] = { |
140 | { GPIO_NR_PALMTE2_BL_POWER, GPIOF_INIT_LOW, "Backlight power" }, | |
141 | { GPIO_NR_PALMTE2_LCD_POWER, GPIOF_INIT_LOW, "LCD power" }, | |
142 | }; | |
143 | ||
8c8aa5fa MV |
144 | static int palmte2_backlight_init(struct device *dev) |
145 | { | |
7428fff2 | 146 | return gpio_request_array(ARRAY_AND_SIZE(palmte_bl_gpios)); |
8c8aa5fa MV |
147 | } |
148 | ||
2d51a521 | 149 | static int palmte2_backlight_notify(struct device *dev, int brightness) |
8c8aa5fa MV |
150 | { |
151 | gpio_set_value(GPIO_NR_PALMTE2_BL_POWER, brightness); | |
152 | gpio_set_value(GPIO_NR_PALMTE2_LCD_POWER, brightness); | |
153 | return brightness; | |
154 | } | |
155 | ||
156 | static void palmte2_backlight_exit(struct device *dev) | |
157 | { | |
7428fff2 | 158 | gpio_free_array(ARRAY_AND_SIZE(palmte_bl_gpios)); |
8c8aa5fa MV |
159 | } |
160 | ||
54088bf5 MV |
161 | static struct platform_pwm_backlight_data palmte2_backlight_data = { |
162 | .pwm_id = 0, | |
163 | .max_brightness = PALMTE2_MAX_INTENSITY, | |
164 | .dft_brightness = PALMTE2_MAX_INTENSITY, | |
165 | .pwm_period_ns = PALMTE2_PERIOD_NS, | |
8c8aa5fa MV |
166 | .init = palmte2_backlight_init, |
167 | .notify = palmte2_backlight_notify, | |
168 | .exit = palmte2_backlight_exit, | |
54088bf5 MV |
169 | }; |
170 | ||
171 | static struct platform_device palmte2_backlight = { | |
172 | .name = "pwm-backlight", | |
173 | .dev = { | |
174 | .parent = &pxa25x_device_pwm0.dev, | |
175 | .platform_data = &palmte2_backlight_data, | |
176 | }, | |
177 | }; | |
178 | ||
8c8aa5fa MV |
179 | /****************************************************************************** |
180 | * IrDA | |
181 | ******************************************************************************/ | |
8c8aa5fa | 182 | static struct pxaficp_platform_data palmte2_ficp_platform_data = { |
c4bd0172 MV |
183 | .gpio_pwdown = GPIO_NR_PALMTE2_IR_DISABLE, |
184 | .transceiver_cap = IR_SIRMODE | IR_OFF, | |
8c8aa5fa MV |
185 | }; |
186 | ||
187 | /****************************************************************************** | |
188 | * UDC | |
189 | ******************************************************************************/ | |
8768dc9b | 190 | static struct gpio_vbus_mach_info palmte2_udc_info = { |
8c8aa5fa MV |
191 | .gpio_vbus = GPIO_NR_PALMTE2_USB_DETECT_N, |
192 | .gpio_vbus_inverted = 1, | |
193 | .gpio_pullup = GPIO_NR_PALMTE2_USB_PULLUP, | |
8768dc9b MV |
194 | }; |
195 | ||
196 | static struct platform_device palmte2_gpio_vbus = { | |
197 | .name = "gpio-vbus", | |
198 | .id = -1, | |
199 | .dev = { | |
200 | .platform_data = &palmte2_udc_info, | |
201 | }, | |
8c8aa5fa MV |
202 | }; |
203 | ||
204 | /****************************************************************************** | |
205 | * Power supply | |
206 | ******************************************************************************/ | |
207 | static int power_supply_init(struct device *dev) | |
208 | { | |
209 | int ret; | |
210 | ||
211 | ret = gpio_request(GPIO_NR_PALMTE2_POWER_DETECT, "CABLE_STATE_AC"); | |
212 | if (ret) | |
213 | goto err1; | |
214 | ret = gpio_direction_input(GPIO_NR_PALMTE2_POWER_DETECT); | |
215 | if (ret) | |
216 | goto err2; | |
217 | ||
218 | return 0; | |
219 | ||
220 | err2: | |
221 | gpio_free(GPIO_NR_PALMTE2_POWER_DETECT); | |
222 | err1: | |
223 | return ret; | |
224 | } | |
225 | ||
226 | static int palmte2_is_ac_online(void) | |
227 | { | |
228 | return gpio_get_value(GPIO_NR_PALMTE2_POWER_DETECT); | |
229 | } | |
230 | ||
231 | static void power_supply_exit(struct device *dev) | |
232 | { | |
233 | gpio_free(GPIO_NR_PALMTE2_POWER_DETECT); | |
234 | } | |
235 | ||
236 | static char *palmte2_supplicants[] = { | |
237 | "main-battery", | |
238 | }; | |
239 | ||
240 | static struct pda_power_pdata power_supply_info = { | |
241 | .init = power_supply_init, | |
242 | .is_ac_online = palmte2_is_ac_online, | |
243 | .exit = power_supply_exit, | |
244 | .supplied_to = palmte2_supplicants, | |
245 | .num_supplicants = ARRAY_SIZE(palmte2_supplicants), | |
246 | }; | |
247 | ||
248 | static struct platform_device power_supply = { | |
249 | .name = "pda-power", | |
250 | .id = -1, | |
251 | .dev = { | |
252 | .platform_data = &power_supply_info, | |
253 | }, | |
254 | }; | |
255 | ||
256 | /****************************************************************************** | |
241cf473 | 257 | * WM97xx audio, battery |
8c8aa5fa | 258 | ******************************************************************************/ |
241cf473 | 259 | static struct wm97xx_batt_pdata palmte2_batt_pdata = { |
8c8aa5fa MV |
260 | .batt_aux = WM97XX_AUX_ID3, |
261 | .temp_aux = WM97XX_AUX_ID2, | |
262 | .charge_gpio = -1, | |
263 | .max_voltage = PALMTE2_BAT_MAX_VOLTAGE, | |
264 | .min_voltage = PALMTE2_BAT_MIN_VOLTAGE, | |
265 | .batt_mult = 1000, | |
266 | .batt_div = 414, | |
267 | .temp_mult = 1, | |
268 | .temp_div = 1, | |
269 | .batt_tech = POWER_SUPPLY_TECHNOLOGY_LIPO, | |
270 | .batt_name = "main-batt", | |
271 | }; | |
272 | ||
241cf473 MV |
273 | static struct wm97xx_pdata palmte2_wm97xx_pdata = { |
274 | .batt_pdata = &palmte2_batt_pdata, | |
275 | }; | |
276 | ||
277 | static pxa2xx_audio_ops_t palmte2_ac97_pdata = { | |
278 | .codec_pdata = { &palmte2_wm97xx_pdata, }, | |
279 | }; | |
280 | ||
37330efd MV |
281 | static struct palm27x_asoc_info palmte2_asoc_pdata = { |
282 | .jack_gpio = GPIO_NR_PALMTE2_EARPHONE_DETECT, | |
283 | }; | |
284 | ||
285 | static struct platform_device palmte2_asoc = { | |
286 | .name = "palm27x-asoc", | |
287 | .id = -1, | |
288 | .dev = { | |
289 | .platform_data = &palmte2_asoc_pdata, | |
290 | }, | |
291 | }; | |
292 | ||
54088bf5 MV |
293 | /****************************************************************************** |
294 | * Framebuffer | |
295 | ******************************************************************************/ | |
296 | static struct pxafb_mode_info palmte2_lcd_modes[] = { | |
297 | { | |
298 | .pixclock = 77757, | |
299 | .xres = 320, | |
300 | .yres = 320, | |
301 | .bpp = 16, | |
302 | ||
303 | .left_margin = 28, | |
304 | .right_margin = 7, | |
305 | .upper_margin = 7, | |
306 | .lower_margin = 5, | |
307 | ||
308 | .hsync_len = 4, | |
309 | .vsync_len = 1, | |
310 | }, | |
311 | }; | |
312 | ||
313 | static struct pxafb_mach_info palmte2_lcd_screen = { | |
314 | .modes = palmte2_lcd_modes, | |
315 | .num_modes = ARRAY_SIZE(palmte2_lcd_modes), | |
316 | .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, | |
317 | }; | |
318 | ||
319 | /****************************************************************************** | |
320 | * Machine init | |
321 | ******************************************************************************/ | |
322 | static struct platform_device *devices[] __initdata = { | |
323 | #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) | |
324 | &palmte2_pxa_keys, | |
325 | #endif | |
326 | &palmte2_backlight, | |
8c8aa5fa | 327 | &power_supply, |
37330efd | 328 | &palmte2_asoc, |
8768dc9b | 329 | &palmte2_gpio_vbus, |
54088bf5 MV |
330 | }; |
331 | ||
8c8aa5fa MV |
332 | /* setup udc GPIOs initial state */ |
333 | static void __init palmte2_udc_init(void) | |
334 | { | |
335 | if (!gpio_request(GPIO_NR_PALMTE2_USB_PULLUP, "UDC Vbus")) { | |
336 | gpio_direction_output(GPIO_NR_PALMTE2_USB_PULLUP, 1); | |
337 | gpio_free(GPIO_NR_PALMTE2_USB_PULLUP); | |
338 | } | |
339 | } | |
340 | ||
54088bf5 MV |
341 | static void __init palmte2_init(void) |
342 | { | |
343 | pxa2xx_mfp_config(ARRAY_AND_SIZE(palmte2_pin_config)); | |
344 | ||
cc155c6f RK |
345 | pxa_set_ffuart_info(NULL); |
346 | pxa_set_btuart_info(NULL); | |
347 | pxa_set_stuart_info(NULL); | |
348 | ||
4321e1a1 | 349 | pxa_set_fb_info(NULL, &palmte2_lcd_screen); |
54088bf5 | 350 | pxa_set_mci_info(&palmte2_mci_platform_data); |
8c8aa5fa | 351 | palmte2_udc_init(); |
241cf473 | 352 | pxa_set_ac97_info(&palmte2_ac97_pdata); |
8c8aa5fa | 353 | pxa_set_ficp_info(&palmte2_ficp_platform_data); |
54088bf5 MV |
354 | |
355 | platform_add_devices(devices, ARRAY_SIZE(devices)); | |
356 | } | |
357 | ||
358 | MACHINE_START(PALMTE2, "Palm Tungsten|E2") | |
7375aba6 | 359 | .atag_offset = 0x100, |
851982c1 | 360 | .map_io = pxa25x_map_io, |
4e611091 | 361 | .nr_irqs = PXA_NR_IRQS, |
54088bf5 | 362 | .init_irq = pxa25x_init_irq, |
8a97ae2f | 363 | .handle_irq = pxa25x_handle_irq, |
54088bf5 | 364 | .timer = &pxa_timer, |
271a74fc RK |
365 | .init_machine = palmte2_init, |
366 | .restart = pxa_restart, | |
54088bf5 | 367 | MACHINE_END |