Merge tag 'pwm/for-5.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry...
[linux-2.6-microblaze.git] / arch / arm / mach-pxa / palmtc.c
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * linux/arch/arm/mach-pxa/palmtc.c
4  *
5  * Support for the Palm Tungsten|C
6  *
7  * Author:      Marek Vasut <marek.vasut@gmail.com>
8  *
9  * Based on work of:
10  *              Petr Blaha <p3t3@centrum.cz>
11  *              Chetan S. Kumar <shivakumar.chetan@gmail.com>
12  */
13
14 #include <linux/platform_device.h>
15 #include <linux/delay.h>
16 #include <linux/irq.h>
17 #include <linux/input.h>
18 #include <linux/pwm.h>
19 #include <linux/pwm_backlight.h>
20 #include <linux/gpio/machine.h>
21 #include <linux/input/matrix_keypad.h>
22 #include <linux/ucb1400.h>
23 #include <linux/power_supply.h>
24 #include <linux/gpio_keys.h>
25 #include <linux/mtd/physmap.h>
26
27 #include <asm/mach-types.h>
28 #include <asm/mach/arch.h>
29 #include <asm/mach/map.h>
30
31 #include "pxa25x.h"
32 #include <mach/audio.h>
33 #include <mach/palmtc.h>
34 #include <linux/platform_data/mmc-pxamci.h>
35 #include <linux/platform_data/video-pxafb.h>
36 #include <linux/platform_data/irda-pxaficp.h>
37 #include "udc.h"
38
39 #include "generic.h"
40 #include "devices.h"
41
42 /******************************************************************************
43  * Pin configuration
44  ******************************************************************************/
45 static unsigned long palmtc_pin_config[] __initdata = {
46         /* MMC */
47         GPIO6_MMC_CLK,
48         GPIO8_MMC_CS0,
49         GPIO12_GPIO,    /* detect */
50         GPIO32_GPIO,    /* power */
51         GPIO54_GPIO,    /* r/o switch */
52
53         /* PCMCIA */
54         GPIO52_nPCE_1,
55         GPIO53_nPCE_2,
56         GPIO50_nPIOR,
57         GPIO51_nPIOW,
58         GPIO49_nPWE,
59         GPIO48_nPOE,
60         GPIO52_nPCE_1,
61         GPIO53_nPCE_2,
62         GPIO57_nIOIS16,
63         GPIO56_nPWAIT,
64
65         /* AC97 */
66         GPIO28_AC97_BITCLK,
67         GPIO29_AC97_SDATA_IN_0,
68         GPIO30_AC97_SDATA_OUT,
69         GPIO31_AC97_SYNC,
70
71         /* IrDA */
72         GPIO45_GPIO,    /* ir disable */
73         GPIO46_FICP_RXD,
74         GPIO47_FICP_TXD,
75
76         /* PWM */
77         GPIO17_PWM1_OUT,
78
79         /* USB */
80         GPIO4_GPIO,     /* detect */
81         GPIO36_GPIO,    /* pullup */
82
83         /* LCD */
84         GPIOxx_LCD_TFT_16BPP,
85
86         /* MATRIX KEYPAD */
87         GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH,       /* in 0 */
88         GPIO9_GPIO | WAKEUP_ON_EDGE_BOTH,       /* in 1 */
89         GPIO10_GPIO | WAKEUP_ON_EDGE_BOTH,      /* in 2 */
90         GPIO11_GPIO | WAKEUP_ON_EDGE_BOTH,      /* in 3 */
91         GPIO18_GPIO | MFP_LPM_DRIVE_LOW,        /* out 0 */
92         GPIO19_GPIO | MFP_LPM_DRIVE_LOW,        /* out 1 */
93         GPIO20_GPIO | MFP_LPM_DRIVE_LOW,        /* out 2 */
94         GPIO21_GPIO | MFP_LPM_DRIVE_LOW,        /* out 3 */
95         GPIO22_GPIO | MFP_LPM_DRIVE_LOW,        /* out 4 */
96         GPIO23_GPIO | MFP_LPM_DRIVE_LOW,        /* out 5 */
97         GPIO24_GPIO | MFP_LPM_DRIVE_LOW,        /* out 6 */
98         GPIO25_GPIO | MFP_LPM_DRIVE_LOW,        /* out 7 */
99         GPIO26_GPIO | MFP_LPM_DRIVE_LOW,        /* out 8 */
100         GPIO27_GPIO | MFP_LPM_DRIVE_LOW,        /* out 9 */
101         GPIO79_GPIO | MFP_LPM_DRIVE_LOW,        /* out 10 */
102         GPIO80_GPIO | MFP_LPM_DRIVE_LOW,        /* out 11 */
103
104         /* PXA GPIO KEYS */
105         GPIO7_GPIO | WAKEUP_ON_EDGE_BOTH,       /* hotsync button on cradle */
106
107         /* MISC */
108         GPIO1_RST,      /* reset */
109         GPIO2_GPIO,     /* earphone detect */
110         GPIO16_GPIO,    /* backlight switch */
111 };
112
113 /******************************************************************************
114  * SD/MMC card controller
115  ******************************************************************************/
116 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
117 static struct pxamci_platform_data palmtc_mci_platform_data = {
118         .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
119         .detect_delay_ms        = 200,
120 };
121
122 static struct gpiod_lookup_table palmtc_mci_gpio_table = {
123         .dev_id = "pxa2xx-mci.0",
124         .table = {
125                 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTC_SD_DETECT_N,
126                             "cd", GPIO_ACTIVE_LOW),
127                 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTC_SD_READONLY,
128                             "wp", GPIO_ACTIVE_LOW),
129                 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTC_SD_POWER,
130                             "power", GPIO_ACTIVE_HIGH),
131                 { },
132         },
133 };
134
135 static void __init palmtc_mmc_init(void)
136 {
137         gpiod_add_lookup_table(&palmtc_mci_gpio_table);
138         pxa_set_mci_info(&palmtc_mci_platform_data);
139 }
140 #else
141 static inline void palmtc_mmc_init(void) {}
142 #endif
143
144 /******************************************************************************
145  * GPIO keys
146  ******************************************************************************/
147 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
148 static struct gpio_keys_button palmtc_pxa_buttons[] = {
149         {KEY_F8, GPIO_NR_PALMTC_HOTSYNC_BUTTON, 1, "HotSync Button", EV_KEY, 1},
150 };
151
152 static struct gpio_keys_platform_data palmtc_pxa_keys_data = {
153         .buttons        = palmtc_pxa_buttons,
154         .nbuttons       = ARRAY_SIZE(palmtc_pxa_buttons),
155 };
156
157 static struct platform_device palmtc_pxa_keys = {
158         .name   = "gpio-keys",
159         .id     = -1,
160         .dev    = {
161                 .platform_data = &palmtc_pxa_keys_data,
162         },
163 };
164
165 static void __init palmtc_keys_init(void)
166 {
167         platform_device_register(&palmtc_pxa_keys);
168 }
169 #else
170 static inline void palmtc_keys_init(void) {}
171 #endif
172
173 /******************************************************************************
174  * Backlight
175  ******************************************************************************/
176 #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
177
178 static struct gpiod_lookup_table palmtc_pwm_bl_gpio_table = {
179         .dev_id = "pwm-backlight.0",
180         .table = {
181                 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTC_BL_POWER,
182                             "enable", GPIO_ACTIVE_HIGH),
183         },
184 };
185
186 static struct pwm_lookup palmtc_pwm_lookup[] = {
187         PWM_LOOKUP("pxa25x-pwm.1", 0, "pwm-backlight.0", NULL, PALMTC_PERIOD_NS,
188                    PWM_POLARITY_NORMAL),
189 };
190
191 static struct platform_pwm_backlight_data palmtc_backlight_data = {
192         .max_brightness = PALMTC_MAX_INTENSITY,
193         .dft_brightness = PALMTC_MAX_INTENSITY,
194 };
195
196 static struct platform_device palmtc_backlight = {
197         .name   = "pwm-backlight",
198         .dev    = {
199                 .parent         = &pxa25x_device_pwm1.dev,
200                 .platform_data  = &palmtc_backlight_data,
201         },
202 };
203
204 static void __init palmtc_pwm_init(void)
205 {
206         gpiod_add_lookup_table(&palmtc_pwm_bl_gpio_table);
207         pwm_add_table(palmtc_pwm_lookup, ARRAY_SIZE(palmtc_pwm_lookup));
208         platform_device_register(&palmtc_backlight);
209 }
210 #else
211 static inline void palmtc_pwm_init(void) {}
212 #endif
213
214 /******************************************************************************
215  * IrDA
216  ******************************************************************************/
217 #if defined(CONFIG_IRDA) || defined(CONFIG_IRDA_MODULE)
218 static struct pxaficp_platform_data palmtc_ficp_platform_data = {
219         .gpio_pwdown            = GPIO_NR_PALMTC_IR_DISABLE,
220         .transceiver_cap        = IR_SIRMODE | IR_OFF,
221 };
222
223 static void __init palmtc_irda_init(void)
224 {
225         pxa_set_ficp_info(&palmtc_ficp_platform_data);
226 }
227 #else
228 static inline void palmtc_irda_init(void) {}
229 #endif
230
231 /******************************************************************************
232  * Keyboard
233  ******************************************************************************/
234 #if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE)
235 static const uint32_t palmtc_matrix_keys[] = {
236         KEY(0, 0, KEY_F1),
237         KEY(0, 1, KEY_X),
238         KEY(0, 2, KEY_POWER),
239         KEY(0, 3, KEY_TAB),
240         KEY(0, 4, KEY_A),
241         KEY(0, 5, KEY_Q),
242         KEY(0, 6, KEY_LEFTSHIFT),
243         KEY(0, 7, KEY_Z),
244         KEY(0, 8, KEY_S),
245         KEY(0, 9, KEY_W),
246         KEY(0, 10, KEY_E),
247         KEY(0, 11, KEY_UP),
248
249         KEY(1, 0, KEY_F2),
250         KEY(1, 1, KEY_DOWN),
251         KEY(1, 3, KEY_D),
252         KEY(1, 4, KEY_C),
253         KEY(1, 5, KEY_F),
254         KEY(1, 6, KEY_R),
255         KEY(1, 7, KEY_SPACE),
256         KEY(1, 8, KEY_V),
257         KEY(1, 9, KEY_G),
258         KEY(1, 10, KEY_T),
259         KEY(1, 11, KEY_LEFT),
260
261         KEY(2, 0, KEY_F3),
262         KEY(2, 1, KEY_LEFTCTRL),
263         KEY(2, 3, KEY_H),
264         KEY(2, 4, KEY_Y),
265         KEY(2, 5, KEY_N),
266         KEY(2, 6, KEY_J),
267         KEY(2, 7, KEY_U),
268         KEY(2, 8, KEY_M),
269         KEY(2, 9, KEY_K),
270         KEY(2, 10, KEY_I),
271         KEY(2, 11, KEY_RIGHT),
272
273         KEY(3, 0, KEY_F4),
274         KEY(3, 1, KEY_ENTER),
275         KEY(3, 3, KEY_DOT),
276         KEY(3, 4, KEY_L),
277         KEY(3, 5, KEY_O),
278         KEY(3, 6, KEY_LEFTALT),
279         KEY(3, 7, KEY_ENTER),
280         KEY(3, 8, KEY_BACKSPACE),
281         KEY(3, 9, KEY_P),
282         KEY(3, 10, KEY_B),
283         KEY(3, 11, KEY_FN),
284 };
285
286 const struct matrix_keymap_data palmtc_keymap_data = {
287         .keymap                 = palmtc_matrix_keys,
288         .keymap_size            = ARRAY_SIZE(palmtc_matrix_keys),
289 };
290
291 static const unsigned int palmtc_keypad_row_gpios[] = {
292         0, 9, 10, 11
293 };
294
295 static const unsigned int palmtc_keypad_col_gpios[] = {
296         18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 79, 80
297 };
298
299 static struct matrix_keypad_platform_data palmtc_keypad_platform_data = {
300         .keymap_data    = &palmtc_keymap_data,
301         .row_gpios      = palmtc_keypad_row_gpios,
302         .num_row_gpios  = ARRAY_SIZE(palmtc_keypad_row_gpios),
303         .col_gpios      = palmtc_keypad_col_gpios,
304         .num_col_gpios  = ARRAY_SIZE(palmtc_keypad_col_gpios),
305         .active_low     = 1,
306
307         .debounce_ms            = 20,
308         .col_scan_delay_us      = 5,
309 };
310
311 static struct platform_device palmtc_keyboard = {
312         .name   = "matrix-keypad",
313         .id     = -1,
314         .dev    = {
315                 .platform_data = &palmtc_keypad_platform_data,
316         },
317 };
318 static void __init palmtc_mkp_init(void)
319 {
320         platform_device_register(&palmtc_keyboard);
321 }
322 #else
323 static inline void palmtc_mkp_init(void) {}
324 #endif
325
326 /******************************************************************************
327  * UDC
328  ******************************************************************************/
329 #if defined(CONFIG_USB_PXA25X)||defined(CONFIG_USB_PXA25X_MODULE)
330 static struct gpiod_lookup_table palmtc_udc_gpiod_table = {
331         .dev_id = "gpio-vbus",
332         .table = {
333                 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTC_USB_DETECT_N,
334                             "vbus", GPIO_ACTIVE_LOW),
335                 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTC_USB_POWER,
336                             "pullup", GPIO_ACTIVE_HIGH),
337                 { },
338         },
339 };
340
341 static struct platform_device palmtc_gpio_vbus = {
342         .name   = "gpio-vbus",
343         .id     = -1,
344 };
345
346 static void __init palmtc_udc_init(void)
347 {
348         gpiod_add_lookup_table(&palmtc_udc_gpiod_table);
349         platform_device_register(&palmtc_gpio_vbus);
350 };
351 #else
352 static inline void palmtc_udc_init(void) {}
353 #endif
354
355 /******************************************************************************
356  * Touchscreen / Battery / GPIO-extender
357  ******************************************************************************/
358 #if     defined(CONFIG_TOUCHSCREEN_UCB1400) || \
359         defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
360 static struct platform_device palmtc_ucb1400_device = {
361         .name   = "ucb1400_core",
362         .id     = -1,
363 };
364
365 static void __init palmtc_ts_init(void)
366 {
367         pxa_set_ac97_info(NULL);
368         platform_device_register(&palmtc_ucb1400_device);
369 }
370 #else
371 static inline void palmtc_ts_init(void) {}
372 #endif
373
374 /******************************************************************************
375  * LEDs
376  ******************************************************************************/
377 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
378 struct gpio_led palmtc_gpio_leds[] = {
379 {
380         .name                   = "palmtc:green:user",
381         .default_trigger        = "none",
382         .gpio                   = GPIO_NR_PALMTC_LED_POWER,
383         .active_low             = 1,
384 }, {
385         .name                   = "palmtc:vibra:vibra",
386         .default_trigger        = "none",
387         .gpio                   = GPIO_NR_PALMTC_VIBRA_POWER,
388         .active_low             = 1,
389 }
390
391 };
392
393 static struct gpio_led_platform_data palmtc_gpio_led_info = {
394         .leds           = palmtc_gpio_leds,
395         .num_leds       = ARRAY_SIZE(palmtc_gpio_leds),
396 };
397
398 static struct platform_device palmtc_leds = {
399         .name   = "leds-gpio",
400         .id     = -1,
401         .dev    = {
402                 .platform_data  = &palmtc_gpio_led_info,
403         }
404 };
405
406 static void __init palmtc_leds_init(void)
407 {
408         platform_device_register(&palmtc_leds);
409 }
410 #else
411 static inline void palmtc_leds_init(void) {}
412 #endif
413
414 /******************************************************************************
415  * NOR Flash
416  ******************************************************************************/
417 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
418 static struct resource palmtc_flash_resource = {
419         .start  = PXA_CS0_PHYS,
420         .end    = PXA_CS0_PHYS + SZ_16M - 1,
421         .flags  = IORESOURCE_MEM,
422 };
423
424 static struct mtd_partition palmtc_flash_parts[] = {
425         {
426                 .name   = "U-Boot Bootloader",
427                 .offset = 0x0,
428                 .size   = 0x40000,
429         },
430         {
431                 .name   = "Linux Kernel",
432                 .offset = 0x40000,
433                 .size   = 0x2c0000,
434         },
435         {
436                 .name   = "Filesystem",
437                 .offset = 0x300000,
438                 .size   = 0xcc0000,
439         },
440         {
441                 .name   = "U-Boot Environment",
442                 .offset = 0xfc0000,
443                 .size   = MTDPART_SIZ_FULL,
444         },
445 };
446
447 static struct physmap_flash_data palmtc_flash_data = {
448         .width          = 4,
449         .parts          = palmtc_flash_parts,
450         .nr_parts       = ARRAY_SIZE(palmtc_flash_parts),
451 };
452
453 static struct platform_device palmtc_flash = {
454         .name           = "physmap-flash",
455         .id             = -1,
456         .resource       = &palmtc_flash_resource,
457         .num_resources  = 1,
458         .dev = {
459                 .platform_data  = &palmtc_flash_data,
460         },
461 };
462
463 static void __init palmtc_nor_init(void)
464 {
465         platform_device_register(&palmtc_flash);
466 }
467 #else
468 static inline void palmtc_nor_init(void) {}
469 #endif
470
471 /******************************************************************************
472  * Framebuffer
473  ******************************************************************************/
474 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
475 static struct pxafb_mode_info palmtc_lcd_modes[] = {
476         {
477                 .pixclock       = 115384,
478                 .xres           = 320,
479                 .yres           = 320,
480                 .bpp            = 16,
481
482                 .left_margin    = 27,
483                 .right_margin   = 7,
484                 .upper_margin   = 7,
485                 .lower_margin   = 8,
486
487                 .hsync_len      = 6,
488                 .vsync_len      = 1,
489         },
490 };
491
492 static struct pxafb_mach_info palmtc_lcd_screen = {
493         .modes                  = palmtc_lcd_modes,
494         .num_modes              = ARRAY_SIZE(palmtc_lcd_modes),
495         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
496 };
497
498 static void __init palmtc_lcd_init(void)
499 {
500         pxa_set_fb_info(NULL, &palmtc_lcd_screen);
501 }
502 #else
503 static inline void palmtc_lcd_init(void) {}
504 #endif
505
506 /******************************************************************************
507  * Machine init
508  ******************************************************************************/
509 static void __init palmtc_init(void)
510 {
511         pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtc_pin_config));
512
513         pxa_set_ffuart_info(NULL);
514         pxa_set_btuart_info(NULL);
515         pxa_set_stuart_info(NULL);
516         pxa_set_hwuart_info(NULL);
517
518         palmtc_mmc_init();
519         palmtc_keys_init();
520         palmtc_pwm_init();
521         palmtc_irda_init();
522         palmtc_mkp_init();
523         palmtc_udc_init();
524         palmtc_ts_init();
525         palmtc_nor_init();
526         palmtc_lcd_init();
527         palmtc_leds_init();
528 };
529
530 MACHINE_START(PALMTC, "Palm Tungsten|C")
531         .atag_offset    = 0x100,
532         .map_io         = pxa25x_map_io,
533         .nr_irqs        = PXA_NR_IRQS,
534         .init_irq       = pxa25x_init_irq,
535         .handle_irq     = pxa25x_handle_irq,
536         .init_time      = pxa_timer_init,
537         .init_machine   = palmtc_init,
538         .restart        = pxa_restart,
539 MACHINE_END