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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> |
f5a3b552 | 24 | #include <linux/pwm.h> |
54088bf5 MV |
25 | #include <linux/pwm_backlight.h> |
26 | #include <linux/gpio.h> | |
241cf473 | 27 | #include <linux/wm97xx.h> |
8c8aa5fa | 28 | #include <linux/power_supply.h> |
8768dc9b | 29 | #include <linux/usb/gpio_vbus.h> |
54088bf5 MV |
30 | |
31 | #include <asm/mach-types.h> | |
32 | #include <asm/mach/arch.h> | |
33 | #include <asm/mach/map.h> | |
34 | ||
4c25c5d2 | 35 | #include "pxa25x.h" |
54088bf5 | 36 | #include <mach/audio.h> |
4c25c5d2 | 37 | #include "palmte2.h" |
293b2da1 AB |
38 | #include <linux/platform_data/mmc-pxamci.h> |
39 | #include <linux/platform_data/video-pxafb.h> | |
40 | #include <linux/platform_data/irda-pxaficp.h> | |
4c25c5d2 | 41 | #include "udc.h" |
293b2da1 | 42 | #include <linux/platform_data/asoc-palm27x.h> |
54088bf5 MV |
43 | |
44 | #include "generic.h" | |
45 | #include "devices.h" | |
46 | ||
47 | /****************************************************************************** | |
48 | * Pin configuration | |
49 | ******************************************************************************/ | |
50 | static unsigned long palmte2_pin_config[] __initdata = { | |
51 | /* MMC */ | |
52 | GPIO6_MMC_CLK, | |
53 | GPIO8_MMC_CS0, | |
54 | GPIO10_GPIO, /* SD detect */ | |
55 | GPIO55_GPIO, /* SD power */ | |
56 | GPIO51_GPIO, /* SD r/o switch */ | |
57 | ||
58 | /* AC97 */ | |
59 | GPIO28_AC97_BITCLK, | |
60 | GPIO29_AC97_SDATA_IN_0, | |
61 | GPIO30_AC97_SDATA_OUT, | |
62 | GPIO31_AC97_SYNC, | |
63 | ||
64 | /* PWM */ | |
65 | GPIO16_PWM0_OUT, | |
66 | ||
8c8aa5fa MV |
67 | /* USB */ |
68 | GPIO15_GPIO, /* usb detect */ | |
69 | GPIO53_GPIO, /* usb power */ | |
70 | ||
71 | /* IrDA */ | |
72 | GPIO48_GPIO, /* ir disable */ | |
73 | GPIO46_FICP_RXD, | |
74 | GPIO47_FICP_TXD, | |
75 | ||
54088bf5 | 76 | /* LCD */ |
07bae6c3 | 77 | GPIOxx_LCD_TFT_16BPP, |
54088bf5 MV |
78 | |
79 | /* GPIO KEYS */ | |
80 | GPIO5_GPIO, /* notes */ | |
81 | GPIO7_GPIO, /* tasks */ | |
82 | GPIO11_GPIO, /* calendar */ | |
83 | GPIO13_GPIO, /* contacts */ | |
84 | GPIO14_GPIO, /* center */ | |
85 | GPIO19_GPIO, /* left */ | |
86 | GPIO20_GPIO, /* right */ | |
87 | GPIO21_GPIO, /* down */ | |
88 | GPIO22_GPIO, /* up */ | |
89 | ||
90 | /* MISC */ | |
91 | GPIO1_RST, /* reset */ | |
8c8aa5fa MV |
92 | GPIO4_GPIO, /* Hotsync button */ |
93 | GPIO9_GPIO, /* power detect */ | |
37330efd | 94 | GPIO15_GPIO, /* earphone detect */ |
8c8aa5fa MV |
95 | GPIO37_GPIO, /* LCD power */ |
96 | GPIO56_GPIO, /* Backlight power */ | |
54088bf5 MV |
97 | }; |
98 | ||
99 | /****************************************************************************** | |
100 | * SD/MMC card controller | |
101 | ******************************************************************************/ | |
54088bf5 | 102 | static struct pxamci_platform_data palmte2_mci_platform_data = { |
7a648256 RJ |
103 | .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, |
104 | .gpio_card_detect = GPIO_NR_PALMTE2_SD_DETECT_N, | |
105 | .gpio_card_ro = GPIO_NR_PALMTE2_SD_READONLY, | |
106 | .gpio_power = GPIO_NR_PALMTE2_SD_POWER, | |
54088bf5 MV |
107 | }; |
108 | ||
30bda0eb | 109 | #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) |
54088bf5 MV |
110 | /****************************************************************************** |
111 | * GPIO keys | |
112 | ******************************************************************************/ | |
113 | static struct gpio_keys_button palmte2_pxa_buttons[] = { | |
114 | {KEY_F1, GPIO_NR_PALMTE2_KEY_CONTACTS, 1, "Contacts" }, | |
115 | {KEY_F2, GPIO_NR_PALMTE2_KEY_CALENDAR, 1, "Calendar" }, | |
116 | {KEY_F3, GPIO_NR_PALMTE2_KEY_TASKS, 1, "Tasks" }, | |
117 | {KEY_F4, GPIO_NR_PALMTE2_KEY_NOTES, 1, "Notes" }, | |
118 | {KEY_ENTER, GPIO_NR_PALMTE2_KEY_CENTER, 1, "Center" }, | |
119 | {KEY_LEFT, GPIO_NR_PALMTE2_KEY_LEFT, 1, "Left" }, | |
120 | {KEY_RIGHT, GPIO_NR_PALMTE2_KEY_RIGHT, 1, "Right" }, | |
121 | {KEY_DOWN, GPIO_NR_PALMTE2_KEY_DOWN, 1, "Down" }, | |
122 | {KEY_UP, GPIO_NR_PALMTE2_KEY_UP, 1, "Up" }, | |
123 | }; | |
124 | ||
125 | static struct gpio_keys_platform_data palmte2_pxa_keys_data = { | |
126 | .buttons = palmte2_pxa_buttons, | |
127 | .nbuttons = ARRAY_SIZE(palmte2_pxa_buttons), | |
128 | }; | |
129 | ||
130 | static struct platform_device palmte2_pxa_keys = { | |
131 | .name = "gpio-keys", | |
132 | .id = -1, | |
133 | .dev = { | |
134 | .platform_data = &palmte2_pxa_keys_data, | |
135 | }, | |
136 | }; | |
30bda0eb | 137 | #endif |
54088bf5 MV |
138 | |
139 | /****************************************************************************** | |
140 | * Backlight | |
141 | ******************************************************************************/ | |
f5a3b552 TR |
142 | static struct pwm_lookup palmte2_pwm_lookup[] = { |
143 | PWM_LOOKUP("pxa25x-pwm.0", 0, "pwm-backlight.0", NULL, | |
144 | PALMTE2_PERIOD_NS, PWM_POLARITY_NORMAL), | |
145 | }; | |
146 | ||
7428fff2 MV |
147 | static struct gpio palmte_bl_gpios[] = { |
148 | { GPIO_NR_PALMTE2_BL_POWER, GPIOF_INIT_LOW, "Backlight power" }, | |
149 | { GPIO_NR_PALMTE2_LCD_POWER, GPIOF_INIT_LOW, "LCD power" }, | |
150 | }; | |
151 | ||
8c8aa5fa MV |
152 | static int palmte2_backlight_init(struct device *dev) |
153 | { | |
7428fff2 | 154 | return gpio_request_array(ARRAY_AND_SIZE(palmte_bl_gpios)); |
8c8aa5fa MV |
155 | } |
156 | ||
2d51a521 | 157 | static int palmte2_backlight_notify(struct device *dev, int brightness) |
8c8aa5fa MV |
158 | { |
159 | gpio_set_value(GPIO_NR_PALMTE2_BL_POWER, brightness); | |
160 | gpio_set_value(GPIO_NR_PALMTE2_LCD_POWER, brightness); | |
161 | return brightness; | |
162 | } | |
163 | ||
164 | static void palmte2_backlight_exit(struct device *dev) | |
165 | { | |
7428fff2 | 166 | gpio_free_array(ARRAY_AND_SIZE(palmte_bl_gpios)); |
8c8aa5fa MV |
167 | } |
168 | ||
54088bf5 | 169 | static struct platform_pwm_backlight_data palmte2_backlight_data = { |
54088bf5 MV |
170 | .max_brightness = PALMTE2_MAX_INTENSITY, |
171 | .dft_brightness = PALMTE2_MAX_INTENSITY, | |
db01120c | 172 | .enable_gpio = -1, |
8c8aa5fa MV |
173 | .init = palmte2_backlight_init, |
174 | .notify = palmte2_backlight_notify, | |
175 | .exit = palmte2_backlight_exit, | |
54088bf5 MV |
176 | }; |
177 | ||
178 | static struct platform_device palmte2_backlight = { | |
179 | .name = "pwm-backlight", | |
180 | .dev = { | |
181 | .parent = &pxa25x_device_pwm0.dev, | |
182 | .platform_data = &palmte2_backlight_data, | |
183 | }, | |
184 | }; | |
185 | ||
8c8aa5fa MV |
186 | /****************************************************************************** |
187 | * IrDA | |
188 | ******************************************************************************/ | |
8c8aa5fa | 189 | static struct pxaficp_platform_data palmte2_ficp_platform_data = { |
c4bd0172 MV |
190 | .gpio_pwdown = GPIO_NR_PALMTE2_IR_DISABLE, |
191 | .transceiver_cap = IR_SIRMODE | IR_OFF, | |
8c8aa5fa MV |
192 | }; |
193 | ||
194 | /****************************************************************************** | |
195 | * UDC | |
196 | ******************************************************************************/ | |
8768dc9b | 197 | static struct gpio_vbus_mach_info palmte2_udc_info = { |
8c8aa5fa MV |
198 | .gpio_vbus = GPIO_NR_PALMTE2_USB_DETECT_N, |
199 | .gpio_vbus_inverted = 1, | |
200 | .gpio_pullup = GPIO_NR_PALMTE2_USB_PULLUP, | |
8768dc9b MV |
201 | }; |
202 | ||
203 | static struct platform_device palmte2_gpio_vbus = { | |
204 | .name = "gpio-vbus", | |
205 | .id = -1, | |
206 | .dev = { | |
207 | .platform_data = &palmte2_udc_info, | |
208 | }, | |
8c8aa5fa MV |
209 | }; |
210 | ||
211 | /****************************************************************************** | |
212 | * Power supply | |
213 | ******************************************************************************/ | |
214 | static int power_supply_init(struct device *dev) | |
215 | { | |
216 | int ret; | |
217 | ||
218 | ret = gpio_request(GPIO_NR_PALMTE2_POWER_DETECT, "CABLE_STATE_AC"); | |
219 | if (ret) | |
220 | goto err1; | |
221 | ret = gpio_direction_input(GPIO_NR_PALMTE2_POWER_DETECT); | |
222 | if (ret) | |
223 | goto err2; | |
224 | ||
225 | return 0; | |
226 | ||
227 | err2: | |
228 | gpio_free(GPIO_NR_PALMTE2_POWER_DETECT); | |
229 | err1: | |
230 | return ret; | |
231 | } | |
232 | ||
233 | static int palmte2_is_ac_online(void) | |
234 | { | |
235 | return gpio_get_value(GPIO_NR_PALMTE2_POWER_DETECT); | |
236 | } | |
237 | ||
238 | static void power_supply_exit(struct device *dev) | |
239 | { | |
240 | gpio_free(GPIO_NR_PALMTE2_POWER_DETECT); | |
241 | } | |
242 | ||
243 | static char *palmte2_supplicants[] = { | |
244 | "main-battery", | |
245 | }; | |
246 | ||
247 | static struct pda_power_pdata power_supply_info = { | |
248 | .init = power_supply_init, | |
249 | .is_ac_online = palmte2_is_ac_online, | |
250 | .exit = power_supply_exit, | |
251 | .supplied_to = palmte2_supplicants, | |
252 | .num_supplicants = ARRAY_SIZE(palmte2_supplicants), | |
253 | }; | |
254 | ||
255 | static struct platform_device power_supply = { | |
256 | .name = "pda-power", | |
257 | .id = -1, | |
258 | .dev = { | |
259 | .platform_data = &power_supply_info, | |
260 | }, | |
261 | }; | |
262 | ||
263 | /****************************************************************************** | |
241cf473 | 264 | * WM97xx audio, battery |
8c8aa5fa | 265 | ******************************************************************************/ |
241cf473 | 266 | static struct wm97xx_batt_pdata palmte2_batt_pdata = { |
8c8aa5fa MV |
267 | .batt_aux = WM97XX_AUX_ID3, |
268 | .temp_aux = WM97XX_AUX_ID2, | |
269 | .charge_gpio = -1, | |
270 | .max_voltage = PALMTE2_BAT_MAX_VOLTAGE, | |
271 | .min_voltage = PALMTE2_BAT_MIN_VOLTAGE, | |
272 | .batt_mult = 1000, | |
273 | .batt_div = 414, | |
274 | .temp_mult = 1, | |
275 | .temp_div = 1, | |
276 | .batt_tech = POWER_SUPPLY_TECHNOLOGY_LIPO, | |
277 | .batt_name = "main-batt", | |
278 | }; | |
279 | ||
241cf473 MV |
280 | static struct wm97xx_pdata palmte2_wm97xx_pdata = { |
281 | .batt_pdata = &palmte2_batt_pdata, | |
282 | }; | |
283 | ||
284 | static pxa2xx_audio_ops_t palmte2_ac97_pdata = { | |
285 | .codec_pdata = { &palmte2_wm97xx_pdata, }, | |
286 | }; | |
287 | ||
37330efd MV |
288 | static struct palm27x_asoc_info palmte2_asoc_pdata = { |
289 | .jack_gpio = GPIO_NR_PALMTE2_EARPHONE_DETECT, | |
290 | }; | |
291 | ||
292 | static struct platform_device palmte2_asoc = { | |
293 | .name = "palm27x-asoc", | |
294 | .id = -1, | |
295 | .dev = { | |
296 | .platform_data = &palmte2_asoc_pdata, | |
297 | }, | |
298 | }; | |
299 | ||
54088bf5 MV |
300 | /****************************************************************************** |
301 | * Framebuffer | |
302 | ******************************************************************************/ | |
303 | static struct pxafb_mode_info palmte2_lcd_modes[] = { | |
304 | { | |
305 | .pixclock = 77757, | |
306 | .xres = 320, | |
307 | .yres = 320, | |
308 | .bpp = 16, | |
309 | ||
310 | .left_margin = 28, | |
311 | .right_margin = 7, | |
312 | .upper_margin = 7, | |
313 | .lower_margin = 5, | |
314 | ||
315 | .hsync_len = 4, | |
316 | .vsync_len = 1, | |
317 | }, | |
318 | }; | |
319 | ||
320 | static struct pxafb_mach_info palmte2_lcd_screen = { | |
321 | .modes = palmte2_lcd_modes, | |
322 | .num_modes = ARRAY_SIZE(palmte2_lcd_modes), | |
323 | .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, | |
324 | }; | |
325 | ||
326 | /****************************************************************************** | |
327 | * Machine init | |
328 | ******************************************************************************/ | |
329 | static struct platform_device *devices[] __initdata = { | |
330 | #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) | |
331 | &palmte2_pxa_keys, | |
332 | #endif | |
333 | &palmte2_backlight, | |
8c8aa5fa | 334 | &power_supply, |
37330efd | 335 | &palmte2_asoc, |
8768dc9b | 336 | &palmte2_gpio_vbus, |
54088bf5 MV |
337 | }; |
338 | ||
8c8aa5fa MV |
339 | /* setup udc GPIOs initial state */ |
340 | static void __init palmte2_udc_init(void) | |
341 | { | |
342 | if (!gpio_request(GPIO_NR_PALMTE2_USB_PULLUP, "UDC Vbus")) { | |
343 | gpio_direction_output(GPIO_NR_PALMTE2_USB_PULLUP, 1); | |
344 | gpio_free(GPIO_NR_PALMTE2_USB_PULLUP); | |
345 | } | |
346 | } | |
347 | ||
54088bf5 MV |
348 | static void __init palmte2_init(void) |
349 | { | |
350 | pxa2xx_mfp_config(ARRAY_AND_SIZE(palmte2_pin_config)); | |
351 | ||
cc155c6f RK |
352 | pxa_set_ffuart_info(NULL); |
353 | pxa_set_btuart_info(NULL); | |
354 | pxa_set_stuart_info(NULL); | |
355 | ||
4321e1a1 | 356 | pxa_set_fb_info(NULL, &palmte2_lcd_screen); |
54088bf5 | 357 | pxa_set_mci_info(&palmte2_mci_platform_data); |
8c8aa5fa | 358 | palmte2_udc_init(); |
241cf473 | 359 | pxa_set_ac97_info(&palmte2_ac97_pdata); |
8c8aa5fa | 360 | pxa_set_ficp_info(&palmte2_ficp_platform_data); |
54088bf5 | 361 | |
f5a3b552 | 362 | pwm_add_table(palmte2_pwm_lookup, ARRAY_SIZE(palmte2_pwm_lookup)); |
54088bf5 MV |
363 | platform_add_devices(devices, ARRAY_SIZE(devices)); |
364 | } | |
365 | ||
366 | MACHINE_START(PALMTE2, "Palm Tungsten|E2") | |
7375aba6 | 367 | .atag_offset = 0x100, |
851982c1 | 368 | .map_io = pxa25x_map_io, |
4e611091 | 369 | .nr_irqs = PXA_NR_IRQS, |
54088bf5 | 370 | .init_irq = pxa25x_init_irq, |
8a97ae2f | 371 | .handle_irq = pxa25x_handle_irq, |
6bb27d73 | 372 | .init_time = pxa_timer_init, |
271a74fc RK |
373 | .init_machine = palmte2_init, |
374 | .restart = pxa_restart, | |
54088bf5 | 375 | MACHINE_END |