GNU Linux-libre 4.19.264-gnu1
[releases.git] / arch / arm / mach-pxa / palmtreo.c
1 /*
2  * Hardware definitions for Palm Treo smartphones
3  *
4  * currently supported:
5  *     Palm Treo 680 (GSM)
6  *     Palm Centro 685 (GSM)
7  *
8  * Author:     Tomas Cech <sleep_walker@suse.cz>
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>
23 #include <linux/memblock.h>
24 #include <linux/pda_power.h>
25 #include <linux/pwm_backlight.h>
26 #include <linux/gpio.h>
27 #include <linux/power_supply.h>
28 #include <linux/w1-gpio.h>
29
30 #include <asm/mach-types.h>
31 #include <asm/mach/arch.h>
32 #include <asm/mach/map.h>
33
34 #include "pxa27x.h"
35 #include "pxa27x-udc.h"
36 #include <mach/audio.h>
37 #include "palmtreo.h"
38 #include <linux/platform_data/mmc-pxamci.h>
39 #include <linux/platform_data/video-pxafb.h>
40 #include <linux/platform_data/irda-pxaficp.h>
41 #include <linux/platform_data/keypad-pxa27x.h>
42 #include "udc.h"
43 #include <linux/platform_data/usb-ohci-pxa27x.h>
44 #include <mach/pxa2xx-regs.h>
45 #include <linux/platform_data/asoc-palm27x.h>
46 #include <linux/platform_data/media/camera-pxa.h>
47 #include "palm27x.h"
48
49 #include <sound/pxa2xx-lib.h>
50
51 #include "generic.h"
52 #include "devices.h"
53
54 /******************************************************************************
55  * Pin configuration
56  ******************************************************************************/
57 static unsigned long treo_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         GPIO113_GPIO,                           /* SD detect */
66
67         /* AC97 */
68         GPIO28_AC97_BITCLK,
69         GPIO29_AC97_SDATA_IN_0,
70         GPIO30_AC97_SDATA_OUT,
71         GPIO31_AC97_SYNC,
72         GPIO89_AC97_SYSCLK,
73         GPIO95_AC97_nRESET,
74
75         /* IrDA */
76         GPIO46_FICP_RXD,
77         GPIO47_FICP_TXD,
78
79         /* PWM */
80         GPIO16_PWM0_OUT,
81
82         /* USB */
83         GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,       /* usb detect */
84
85         /* MATRIX KEYPAD */
86         GPIO101_KP_MKIN_1,
87         GPIO102_KP_MKIN_2,
88         GPIO97_KP_MKIN_3,
89         GPIO98_KP_MKIN_4,
90         GPIO91_KP_MKIN_6,
91         GPIO13_KP_MKIN_7,
92         GPIO103_KP_MKOUT_0 | MFP_LPM_DRIVE_HIGH,
93         GPIO104_KP_MKOUT_1,
94         GPIO105_KP_MKOUT_2,
95         GPIO106_KP_MKOUT_3,
96         GPIO107_KP_MKOUT_4,
97         GPIO108_KP_MKOUT_5,
98         GPIO96_KP_MKOUT_6,
99         GPIO93_KP_DKIN_0 | WAKEUP_ON_LEVEL_HIGH,        /* Hotsync button */
100
101         /* Quick Capture Interface */
102         GPIO84_CIF_FV,
103         GPIO85_CIF_LV,
104         GPIO53_CIF_MCLK,
105         GPIO54_CIF_PCLK,
106         GPIO81_CIF_DD_0,
107         GPIO55_CIF_DD_1,
108         GPIO51_CIF_DD_2,
109         GPIO50_CIF_DD_3,
110         GPIO52_CIF_DD_4,
111         GPIO48_CIF_DD_5,
112         GPIO17_CIF_DD_6,
113         GPIO12_CIF_DD_7,
114
115         /* I2C */
116         GPIO117_I2C_SCL,
117         GPIO118_I2C_SDA,
118
119         /* GSM */
120         GPIO14_GPIO | WAKEUP_ON_EDGE_BOTH,      /* GSM host wake up */
121         GPIO34_FFUART_RXD,
122         GPIO35_FFUART_CTS,
123         GPIO39_FFUART_TXD,
124         GPIO41_FFUART_RTS,
125
126         /* MISC. */
127         GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH,       /* external power detect */
128         GPIO15_GPIO | WAKEUP_ON_EDGE_BOTH,      /* silent switch */
129         GPIO116_GPIO,                           /* headphone detect */
130         GPIO11_GPIO | WAKEUP_ON_EDGE_BOTH,      /* bluetooth host wake up */
131 };
132
133 #ifdef CONFIG_MACH_TREO680
134 static unsigned long treo680_pin_config[] __initdata = {
135         GPIO33_GPIO,    /* SD read only */
136
137         /* MATRIX KEYPAD - different wake up source */
138         GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
139         GPIO99_KP_MKIN_5,
140
141         /* LCD... L_BIAS alt fn not configured on Treo680; is GPIO instead */
142         GPIOxx_LCD_16BPP,
143         GPIO74_LCD_FCLK,
144         GPIO75_LCD_LCLK,
145         GPIO76_LCD_PCLK,
146 };
147 #endif /* CONFIG_MACH_TREO680 */
148
149 #ifdef CONFIG_MACH_CENTRO
150 static unsigned long centro685_pin_config[] __initdata = {
151         /* Bluetooth attached to BT UART*/
152         MFP_CFG_OUT(GPIO80, AF0, DRIVE_LOW),    /* power: LOW = off */
153         GPIO42_BTUART_RXD,
154         GPIO43_BTUART_TXD,
155         GPIO44_BTUART_CTS,
156         GPIO45_BTUART_RTS,
157
158         /* MATRIX KEYPAD - different wake up source */
159         GPIO100_KP_MKIN_0,
160         GPIO99_KP_MKIN_5 | WAKEUP_ON_LEVEL_HIGH,
161
162         /* LCD */
163         GPIOxx_LCD_TFT_16BPP,
164 };
165 #endif /* CONFIG_MACH_CENTRO */
166
167 /******************************************************************************
168  * GPIO keyboard
169  ******************************************************************************/
170 #if IS_ENABLED(CONFIG_KEYBOARD_PXA27x)
171 static const unsigned int treo680_matrix_keys[] = {
172         KEY(0, 0, KEY_F8),              /* Red/Off/Power */
173         KEY(0, 1, KEY_LEFT),
174         KEY(0, 2, KEY_LEFTCTRL),        /* Alternate */
175         KEY(0, 3, KEY_L),
176         KEY(0, 4, KEY_A),
177         KEY(0, 5, KEY_Q),
178         KEY(0, 6, KEY_P),
179
180         KEY(1, 0, KEY_RIGHTCTRL),       /* Menu */
181         KEY(1, 1, KEY_RIGHT),
182         KEY(1, 2, KEY_LEFTSHIFT),       /* Left shift */
183         KEY(1, 3, KEY_Z),
184         KEY(1, 4, KEY_S),
185         KEY(1, 5, KEY_W),
186
187         KEY(2, 0, KEY_F1),              /* Phone */
188         KEY(2, 1, KEY_UP),
189         KEY(2, 2, KEY_0),
190         KEY(2, 3, KEY_X),
191         KEY(2, 4, KEY_D),
192         KEY(2, 5, KEY_E),
193
194         KEY(3, 0, KEY_F10),             /* Calendar */
195         KEY(3, 1, KEY_DOWN),
196         KEY(3, 2, KEY_SPACE),
197         KEY(3, 3, KEY_C),
198         KEY(3, 4, KEY_F),
199         KEY(3, 5, KEY_R),
200
201         KEY(4, 0, KEY_F12),             /* Mail */
202         KEY(4, 1, KEY_KPENTER),
203         KEY(4, 2, KEY_RIGHTALT),        /* Alt */
204         KEY(4, 3, KEY_V),
205         KEY(4, 4, KEY_G),
206         KEY(4, 5, KEY_T),
207
208         KEY(5, 0, KEY_F9),              /* Home */
209         KEY(5, 1, KEY_PAGEUP),          /* Side up */
210         KEY(5, 2, KEY_DOT),
211         KEY(5, 3, KEY_B),
212         KEY(5, 4, KEY_H),
213         KEY(5, 5, KEY_Y),
214
215         KEY(6, 0, KEY_TAB),             /* Side Activate */
216         KEY(6, 1, KEY_PAGEDOWN),        /* Side down */
217         KEY(6, 2, KEY_ENTER),
218         KEY(6, 3, KEY_N),
219         KEY(6, 4, KEY_J),
220         KEY(6, 5, KEY_U),
221
222         KEY(7, 0, KEY_F6),              /* Green/Call */
223         KEY(7, 1, KEY_O),
224         KEY(7, 2, KEY_BACKSPACE),
225         KEY(7, 3, KEY_M),
226         KEY(7, 4, KEY_K),
227         KEY(7, 5, KEY_I),
228 };
229
230 static const unsigned int centro_matrix_keys[] = {
231         KEY(0, 0, KEY_F9),              /* Home */
232         KEY(0, 1, KEY_LEFT),
233         KEY(0, 2, KEY_LEFTCTRL),        /* Alternate */
234         KEY(0, 3, KEY_L),
235         KEY(0, 4, KEY_A),
236         KEY(0, 5, KEY_Q),
237         KEY(0, 6, KEY_P),
238
239         KEY(1, 0, KEY_RIGHTCTRL),       /* Menu */
240         KEY(1, 1, KEY_RIGHT),
241         KEY(1, 2, KEY_LEFTSHIFT),       /* Left shift */
242         KEY(1, 3, KEY_Z),
243         KEY(1, 4, KEY_S),
244         KEY(1, 5, KEY_W),
245
246         KEY(2, 0, KEY_F1),              /* Phone */
247         KEY(2, 1, KEY_UP),
248         KEY(2, 2, KEY_0),
249         KEY(2, 3, KEY_X),
250         KEY(2, 4, KEY_D),
251         KEY(2, 5, KEY_E),
252
253         KEY(3, 0, KEY_F10),             /* Calendar */
254         KEY(3, 1, KEY_DOWN),
255         KEY(3, 2, KEY_SPACE),
256         KEY(3, 3, KEY_C),
257         KEY(3, 4, KEY_F),
258         KEY(3, 5, KEY_R),
259
260         KEY(4, 0, KEY_F12),             /* Mail */
261         KEY(4, 1, KEY_KPENTER),
262         KEY(4, 2, KEY_RIGHTALT),        /* Alt */
263         KEY(4, 3, KEY_V),
264         KEY(4, 4, KEY_G),
265         KEY(4, 5, KEY_T),
266
267         KEY(5, 0, KEY_F8),              /* Red/Off/Power */
268         KEY(5, 1, KEY_PAGEUP),          /* Side up */
269         KEY(5, 2, KEY_DOT),
270         KEY(5, 3, KEY_B),
271         KEY(5, 4, KEY_H),
272         KEY(5, 5, KEY_Y),
273
274         KEY(6, 0, KEY_TAB),             /* Side Activate */
275         KEY(6, 1, KEY_PAGEDOWN),        /* Side down */
276         KEY(6, 2, KEY_ENTER),
277         KEY(6, 3, KEY_N),
278         KEY(6, 4, KEY_J),
279         KEY(6, 5, KEY_U),
280
281         KEY(7, 0, KEY_F6),              /* Green/Call */
282         KEY(7, 1, KEY_O),
283         KEY(7, 2, KEY_BACKSPACE),
284         KEY(7, 3, KEY_M),
285         KEY(7, 4, KEY_K),
286         KEY(7, 5, KEY_I),
287 };
288
289 static struct matrix_keymap_data treo680_matrix_keymap_data = {
290         .keymap                 = treo680_matrix_keys,
291         .keymap_size            = ARRAY_SIZE(treo680_matrix_keys),
292 };
293
294 static struct matrix_keymap_data centro_matrix_keymap_data = {
295         .keymap                 = centro_matrix_keys,
296         .keymap_size            = ARRAY_SIZE(centro_matrix_keys),
297 };
298
299 static struct pxa27x_keypad_platform_data treo680_keypad_pdata = {
300         .matrix_key_rows        = 8,
301         .matrix_key_cols        = 7,
302         .matrix_keymap_data     = &treo680_matrix_keymap_data,
303         .direct_key_map         = { KEY_CONNECT },
304         .direct_key_num         = 1,
305
306         .debounce_interval      = 30,
307 };
308
309 static void __init palmtreo_kpc_init(void)
310 {
311         static struct pxa27x_keypad_platform_data *data = &treo680_keypad_pdata;
312
313         if (machine_is_centro())
314                 data->matrix_keymap_data = &centro_matrix_keymap_data;
315
316         pxa_set_keypad_info(&treo680_keypad_pdata);
317 }
318 #else
319 static inline void palmtreo_kpc_init(void) {}
320 #endif
321
322 /******************************************************************************
323  * USB host
324  ******************************************************************************/
325 #if IS_ENABLED(CONFIG_USB_OHCI_HCD)
326 static struct pxaohci_platform_data treo680_ohci_info = {
327         .port_mode    = PMM_PERPORT_MODE,
328         .flags        = ENABLE_PORT1 | ENABLE_PORT3,
329         .power_budget = 0,
330 };
331
332 static void __init palmtreo_uhc_init(void)
333 {
334         if (machine_is_treo680())
335                 pxa_set_ohci_info(&treo680_ohci_info);
336 }
337 #else
338 static inline void palmtreo_uhc_init(void) {}
339 #endif
340
341 /******************************************************************************
342  * Vibra and LEDs
343  ******************************************************************************/
344 static struct gpio_led treo680_gpio_leds[] = {
345         {
346                 .name                   = "treo680:vibra:vibra",
347                 .default_trigger        = "none",
348                 .gpio                   = GPIO_NR_TREO680_VIBRATE_EN,
349         },
350         {
351                 .name                   = "treo680:green:led",
352                 .default_trigger        = "mmc0",
353                 .gpio                   = GPIO_NR_TREO_GREEN_LED,
354         },
355         {
356                 .name                   = "treo680:white:keybbl",
357                 .default_trigger        = "none",
358                 .gpio                   = GPIO_NR_TREO680_KEYB_BL,
359         },
360 };
361
362 static struct gpio_led_platform_data treo680_gpio_led_info = {
363         .leds           = treo680_gpio_leds,
364         .num_leds       = ARRAY_SIZE(treo680_gpio_leds),
365 };
366
367 static struct gpio_led centro_gpio_leds[] = {
368         {
369                 .name                   = "centro:vibra:vibra",
370                 .default_trigger        = "none",
371                 .gpio                   = GPIO_NR_CENTRO_VIBRATE_EN,
372         },
373         {
374                 .name                   = "centro:green:led",
375                 .default_trigger        = "mmc0",
376                 .gpio                   = GPIO_NR_TREO_GREEN_LED,
377         },
378         {
379                 .name                   = "centro:white:keybbl",
380                 .default_trigger        = "none",
381                 .active_low             = 1,
382                 .gpio                   = GPIO_NR_CENTRO_KEYB_BL,
383         },
384 };
385
386 static struct gpio_led_platform_data centro_gpio_led_info = {
387         .leds           = centro_gpio_leds,
388         .num_leds       = ARRAY_SIZE(centro_gpio_leds),
389 };
390
391 static struct platform_device palmtreo_leds = {
392         .name   = "leds-gpio",
393         .id     = -1,
394 };
395
396 static void __init palmtreo_leds_init(void)
397 {
398         if (machine_is_centro())
399                 palmtreo_leds.dev.platform_data = &centro_gpio_led_info;
400         else if (machine_is_treo680())
401                 palmtreo_leds.dev.platform_data = &treo680_gpio_led_info;
402
403         platform_device_register(&palmtreo_leds);
404 }
405
406 /******************************************************************************
407  * diskonchip docg4 flash
408  ******************************************************************************/
409 #if defined(CONFIG_MACH_TREO680)
410 /* REVISIT: does the centro have this device also? */
411 #if IS_ENABLED(CONFIG_MTD_NAND_DOCG4)
412 static struct resource docg4_resources[] = {
413         {
414                 .start  = 0x00000000,
415                 .end    = 0x00001FFF,
416                 .flags  = IORESOURCE_MEM,
417         },
418 };
419
420 static struct platform_device treo680_docg4_flash = {
421         .name   = "docg4",
422         .id     = -1,
423         .resource = docg4_resources,
424         .num_resources = ARRAY_SIZE(docg4_resources),
425 };
426
427 static void __init treo680_docg4_flash_init(void)
428 {
429         platform_device_register(&treo680_docg4_flash);
430 }
431 #else
432 static inline void treo680_docg4_flash_init(void) {}
433 #endif
434 #endif
435
436 /******************************************************************************
437  * Machine init
438  ******************************************************************************/
439 static void __init treo_reserve(void)
440 {
441         memblock_reserve(0xa0000000, 0x1000);
442         memblock_reserve(0xa2000000, 0x1000);
443 }
444
445 static void __init palmphone_common_init(void)
446 {
447         pxa2xx_mfp_config(ARRAY_AND_SIZE(treo_pin_config));
448         pxa_set_ffuart_info(NULL);
449         pxa_set_btuart_info(NULL);
450         pxa_set_stuart_info(NULL);
451         palm27x_pm_init(TREO_STR_BASE);
452         palm27x_lcd_init(GPIO_NR_TREO_BL_POWER, &palm_320x320_new_lcd_mode);
453         palm27x_udc_init(GPIO_NR_TREO_USB_DETECT, GPIO_NR_TREO_USB_PULLUP, 1);
454         palm27x_irda_init(GPIO_NR_TREO_IR_EN);
455         palm27x_ac97_init(-1, -1, -1, 95);
456         palm27x_pwm_init(GPIO_NR_TREO_BL_POWER, -1);
457         palm27x_power_init(GPIO_NR_TREO_POWER_DETECT, -1);
458         palm27x_pmic_init();
459         palmtreo_kpc_init();
460         palmtreo_uhc_init();
461         palmtreo_leds_init();
462 }
463
464 #ifdef CONFIG_MACH_TREO680
465 void __init treo680_gpio_init(void)
466 {
467         unsigned int gpio;
468
469         /* drive all three lcd gpios high initially */
470         const unsigned long lcd_flags = GPIOF_INIT_HIGH | GPIOF_DIR_OUT;
471
472         /*
473          * LCD GPIO initialization...
474          */
475
476         /*
477          * This is likely the power to the lcd.  Toggling it low/high appears to
478          * turn the lcd off/on.  Can be toggled after lcd is initialized without
479          * any apparent adverse effects to the lcd operation.  Note that this
480          * gpio line is used by the lcd controller as the L_BIAS signal, but
481          * treo680 configures it as gpio.
482          */
483         gpio = GPIO_NR_TREO680_LCD_POWER;
484         if (gpio_request_one(gpio, lcd_flags, "LCD power") < 0)
485                 goto fail;
486
487         /*
488          * These two are called "enables", for lack of a better understanding.
489          * If either of these are toggled after the lcd is initialized, the
490          * image becomes degraded.  N.B. The IPL shipped with the treo
491          * configures GPIO_NR_TREO680_LCD_EN_N as output and drives it high.  If
492          * the IPL is ever reprogrammed, this initialization may be need to be
493          * revisited.
494          */
495         gpio = GPIO_NR_TREO680_LCD_EN;
496         if (gpio_request_one(gpio, lcd_flags, "LCD enable") < 0)
497                 goto fail;
498         gpio = GPIO_NR_TREO680_LCD_EN_N;
499         if (gpio_request_one(gpio, lcd_flags, "LCD enable_n") < 0)
500                 goto fail;
501
502         /* driving this low turns LCD on */
503         gpio_set_value(GPIO_NR_TREO680_LCD_EN_N, 0);
504
505         return;
506  fail:
507         pr_err("gpio %d initialization failed\n", gpio);
508         gpio_free(GPIO_NR_TREO680_LCD_POWER);
509         gpio_free(GPIO_NR_TREO680_LCD_EN);
510         gpio_free(GPIO_NR_TREO680_LCD_EN_N);
511 }
512
513 static void __init treo680_init(void)
514 {
515         pxa2xx_mfp_config(ARRAY_AND_SIZE(treo680_pin_config));
516         palmphone_common_init();
517         treo680_gpio_init();
518         palm27x_mmc_init(GPIO_NR_TREO_SD_DETECT_N, GPIO_NR_TREO680_SD_READONLY,
519                         GPIO_NR_TREO680_SD_POWER, 0);
520         treo680_docg4_flash_init();
521 }
522 #endif
523
524 #ifdef CONFIG_MACH_CENTRO
525 static void __init centro_init(void)
526 {
527         pxa2xx_mfp_config(ARRAY_AND_SIZE(centro685_pin_config));
528         palmphone_common_init();
529         palm27x_mmc_init(GPIO_NR_TREO_SD_DETECT_N, -1,
530                         GPIO_NR_CENTRO_SD_POWER, 1);
531 }
532 #endif
533
534 #ifdef CONFIG_MACH_TREO680
535 MACHINE_START(TREO680, "Palm Treo 680")
536         .atag_offset    = 0x100,
537         .map_io         = pxa27x_map_io,
538         .reserve        = treo_reserve,
539         .nr_irqs        = PXA_NR_IRQS,
540         .init_irq       = pxa27x_init_irq,
541         .handle_irq       = pxa27x_handle_irq,
542         .init_time      = pxa_timer_init,
543         .init_machine   = treo680_init,
544         .restart        = pxa_restart,
545 MACHINE_END
546 #endif
547
548 #ifdef CONFIG_MACH_CENTRO
549 MACHINE_START(CENTRO, "Palm Centro 685")
550         .atag_offset    = 0x100,
551         .map_io         = pxa27x_map_io,
552         .reserve        = treo_reserve,
553         .nr_irqs        = PXA_NR_IRQS,
554         .init_irq       = pxa27x_init_irq,
555         .handle_irq       = pxa27x_handle_irq,
556         .init_time      = pxa_timer_init,
557         .init_machine   = centro_init,
558         .restart        = pxa_restart,
559 MACHINE_END
560 #endif