1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Support for Sharp SL-C7xx PDAs
4  * Models: SL-C700 (Corgi), SL-C750 (Shepherd), SL-C760 (Husky)
5  *
6  * Copyright (c) 2004-2005 Richard Purdie
7  *
8  * Based on Sharp's 2.4 kernel patches/lubbock.c
9  */
10 
11 #include <linux/kernel.h>
12 #include <linux/module.h>	/* symbol_get ; symbol_put */
13 #include <linux/init.h>
14 #include <linux/platform_device.h>
15 #include <linux/major.h>
16 #include <linux/fs.h>
17 #include <linux/interrupt.h>
18 #include <linux/leds.h>
19 #include <linux/mmc/host.h>
20 #include <linux/mtd/physmap.h>
21 #include <linux/pm.h>
22 #include <linux/gpio.h>
23 #include <linux/gpio/machine.h>
24 #include <linux/backlight.h>
25 #include <linux/i2c.h>
26 #include <linux/platform_data/i2c-pxa.h>
27 #include <linux/io.h>
28 #include <linux/regulator/machine.h>
29 #include <linux/spi/spi.h>
30 #include <linux/spi/ads7846.h>
31 #include <linux/spi/corgi_lcd.h>
32 #include <linux/spi/pxa2xx_spi.h>
33 #include <linux/mtd/sharpsl.h>
34 #include <linux/input/matrix_keypad.h>
35 #include <linux/gpio_keys.h>
36 #include <linux/memblock.h>
37 #include <video/w100fb.h>
38 
39 #include <asm/setup.h>
40 #include <asm/memory.h>
41 #include <asm/mach-types.h>
42 #include <asm/irq.h>
43 
44 #include <asm/mach/arch.h>
45 #include <asm/mach/map.h>
46 #include <asm/mach/irq.h>
47 
48 #include "pxa25x.h"
49 #include <linux/platform_data/irda-pxaficp.h>
50 #include <linux/platform_data/mmc-pxamci.h>
51 #include "udc.h"
52 #include "corgi.h"
53 #include "sharpsl_pm.h"
54 
55 #include <asm/mach/sharpsl_param.h>
56 #include <asm/hardware/scoop.h>
57 
58 #include "generic.h"
59 #include "devices.h"
60 
61 static unsigned long corgi_pin_config[] __initdata = {
62 	/* Static Memory I/O */
63 	GPIO78_nCS_2,	/* w100fb */
64 	GPIO80_nCS_4,	/* scoop */
65 
66 	/* SSP1 */
67 	GPIO23_SSP1_SCLK,
68 	GPIO25_SSP1_TXD,
69 	GPIO26_SSP1_RXD,
70 	GPIO24_GPIO,	/* CORGI_GPIO_ADS7846_CS - SFRM as chip select */
71 
72 	/* I2S */
73 	GPIO28_I2S_BITCLK_OUT,
74 	GPIO29_I2S_SDATA_IN,
75 	GPIO30_I2S_SDATA_OUT,
76 	GPIO31_I2S_SYNC,
77 	GPIO32_I2S_SYSCLK,
78 
79 	/* Infra-Red */
80 	GPIO47_FICP_TXD,
81 	GPIO46_FICP_RXD,
82 
83 	/* FFUART */
84 	GPIO40_FFUART_DTR,
85 	GPIO41_FFUART_RTS,
86 	GPIO39_FFUART_TXD,
87 	GPIO37_FFUART_DSR,
88 	GPIO34_FFUART_RXD,
89 	GPIO35_FFUART_CTS,
90 
91 	/* PC Card */
92 	GPIO48_nPOE,
93 	GPIO49_nPWE,
94 	GPIO50_nPIOR,
95 	GPIO51_nPIOW,
96 	GPIO52_nPCE_1,
97 	GPIO53_nPCE_2,
98 	GPIO54_nPSKTSEL,
99 	GPIO55_nPREG,
100 	GPIO56_nPWAIT,
101 	GPIO57_nIOIS16,
102 
103 	/* MMC */
104 	GPIO6_MMC_CLK,
105 	GPIO8_MMC_CS0,
106 
107 	/* GPIO Matrix Keypad */
108 	GPIO66_GPIO | MFP_LPM_DRIVE_HIGH,	/* column 0 */
109 	GPIO67_GPIO | MFP_LPM_DRIVE_HIGH,	/* column 1 */
110 	GPIO68_GPIO | MFP_LPM_DRIVE_HIGH,	/* column 2 */
111 	GPIO69_GPIO | MFP_LPM_DRIVE_HIGH,	/* column 3 */
112 	GPIO70_GPIO | MFP_LPM_DRIVE_HIGH,	/* column 4 */
113 	GPIO71_GPIO | MFP_LPM_DRIVE_HIGH,	/* column 5 */
114 	GPIO72_GPIO | MFP_LPM_DRIVE_HIGH,	/* column 6 */
115 	GPIO73_GPIO | MFP_LPM_DRIVE_HIGH,	/* column 7 */
116 	GPIO74_GPIO | MFP_LPM_DRIVE_HIGH,	/* column 8 */
117 	GPIO75_GPIO | MFP_LPM_DRIVE_HIGH,	/* column 9 */
118 	GPIO76_GPIO | MFP_LPM_DRIVE_HIGH,	/* column 10 */
119 	GPIO77_GPIO | MFP_LPM_DRIVE_HIGH,	/* column 11 */
120 	GPIO58_GPIO,	/* row 0 */
121 	GPIO59_GPIO,	/* row 1 */
122 	GPIO60_GPIO,	/* row 2 */
123 	GPIO61_GPIO,	/* row 3 */
124 	GPIO62_GPIO,	/* row 4 */
125 	GPIO63_GPIO,	/* row 5 */
126 	GPIO64_GPIO,	/* row 6 */
127 	GPIO65_GPIO,	/* row 7 */
128 
129 	/* GPIO */
130 	GPIO9_GPIO,				/* CORGI_GPIO_nSD_DETECT */
131 	GPIO7_GPIO,				/* CORGI_GPIO_nSD_WP */
132 	GPIO11_GPIO | WAKEUP_ON_EDGE_BOTH,	/* CORGI_GPIO_MAIN_BAT_{LOW,COVER} */
133 	GPIO13_GPIO | MFP_LPM_KEEP_OUTPUT,	/* CORGI_GPIO_LED_ORANGE */
134 	GPIO21_GPIO,				/* CORGI_GPIO_ADC_TEMP */
135 	GPIO22_GPIO,				/* CORGI_GPIO_IR_ON */
136 	GPIO33_GPIO,				/* CORGI_GPIO_SD_PWR */
137 	GPIO38_GPIO | MFP_LPM_KEEP_OUTPUT,	/* CORGI_GPIO_CHRG_ON */
138 	GPIO43_GPIO | MFP_LPM_KEEP_OUTPUT,	/* CORGI_GPIO_CHRG_UKN */
139 	GPIO44_GPIO,				/* CORGI_GPIO_HSYNC */
140 
141 	GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH,	/* CORGI_GPIO_KEY_INT */
142 	GPIO1_GPIO | WAKEUP_ON_EDGE_RISE,	/* CORGI_GPIO_AC_IN */
143 	GPIO3_GPIO | WAKEUP_ON_EDGE_BOTH,	/* CORGI_GPIO_WAKEUP */
144 };
145 
146 /*
147  * Corgi SCOOP Device
148  */
149 static struct resource corgi_scoop_resources[] = {
150 	[0] = {
151 		.start		= 0x10800000,
152 		.end		= 0x10800fff,
153 		.flags		= IORESOURCE_MEM,
154 	},
155 };
156 
157 static struct scoop_config corgi_scoop_setup = {
158 	.io_dir 	= CORGI_SCOOP_IO_DIR,
159 	.io_out		= CORGI_SCOOP_IO_OUT,
160 	.gpio_base	= CORGI_SCOOP_GPIO_BASE,
161 };
162 
163 struct platform_device corgiscoop_device = {
164 	.name		= "sharp-scoop",
165 	.id		= -1,
166 	.dev		= {
167  		.platform_data	= &corgi_scoop_setup,
168 	},
169 	.num_resources	= ARRAY_SIZE(corgi_scoop_resources),
170 	.resource	= corgi_scoop_resources,
171 };
172 
173 static struct scoop_pcmcia_dev corgi_pcmcia_scoop[] = {
174 {
175 	.dev        = &corgiscoop_device.dev,
176 	.irq        = CORGI_IRQ_GPIO_CF_IRQ,
177 	.cd_irq     = CORGI_IRQ_GPIO_CF_CD,
178 	.cd_irq_str = "PCMCIA0 CD",
179 },
180 };
181 
182 static struct scoop_pcmcia_config corgi_pcmcia_config = {
183 	.devs         = &corgi_pcmcia_scoop[0],
184 	.num_devs     = 1,
185 };
186 
187 static struct w100_mem_info corgi_fb_mem = {
188 	.ext_cntl          = 0x00040003,
189 	.sdram_mode_reg    = 0x00650021,
190 	.ext_timing_cntl   = 0x10002a4a,
191 	.io_cntl           = 0x7ff87012,
192 	.size              = 0x1fffff,
193 };
194 
195 static struct w100_gen_regs corgi_fb_regs = {
196 	.lcd_format    = 0x00000003,
197 	.lcdd_cntl1    = 0x01CC0000,
198 	.lcdd_cntl2    = 0x0003FFFF,
199 	.genlcd_cntl1  = 0x00FFFF0D,
200 	.genlcd_cntl2  = 0x003F3003,
201 	.genlcd_cntl3  = 0x000102aa,
202 };
203 
204 static struct w100_gpio_regs corgi_fb_gpio = {
205 	.init_data1   = 0x000000bf,
206 	.init_data2   = 0x00000000,
207 	.gpio_dir1    = 0x00000000,
208 	.gpio_oe1     = 0x03c0feff,
209 	.gpio_dir2    = 0x00000000,
210 	.gpio_oe2     = 0x00000000,
211 };
212 
213 static struct w100_mode corgi_fb_modes[] = {
214 {
215 	.xres            = 480,
216 	.yres            = 640,
217 	.left_margin     = 0x56,
218 	.right_margin    = 0x55,
219 	.upper_margin    = 0x03,
220 	.lower_margin    = 0x00,
221 	.crtc_ss         = 0x82360056,
222 	.crtc_ls         = 0xA0280000,
223 	.crtc_gs         = 0x80280028,
224 	.crtc_vpos_gs    = 0x02830002,
225 	.crtc_rev        = 0x00400008,
226 	.crtc_dclk       = 0xA0000000,
227 	.crtc_gclk       = 0x8015010F,
228 	.crtc_goe        = 0x80100110,
229 	.crtc_ps1_active = 0x41060010,
230 	.pll_freq        = 75,
231 	.fast_pll_freq   = 100,
232 	.sysclk_src      = CLK_SRC_PLL,
233 	.sysclk_divider  = 0,
234 	.pixclk_src      = CLK_SRC_PLL,
235 	.pixclk_divider  = 2,
236 	.pixclk_divider_rotated = 6,
237 },{
238 	.xres            = 240,
239 	.yres            = 320,
240 	.left_margin     = 0x27,
241 	.right_margin    = 0x2e,
242 	.upper_margin    = 0x01,
243 	.lower_margin    = 0x00,
244 	.crtc_ss         = 0x81170027,
245 	.crtc_ls         = 0xA0140000,
246 	.crtc_gs         = 0xC0140014,
247 	.crtc_vpos_gs    = 0x00010141,
248 	.crtc_rev        = 0x00400008,
249 	.crtc_dclk       = 0xA0000000,
250 	.crtc_gclk       = 0x8015010F,
251 	.crtc_goe        = 0x80100110,
252 	.crtc_ps1_active = 0x41060010,
253 	.pll_freq        = 0,
254 	.fast_pll_freq   = 0,
255 	.sysclk_src      = CLK_SRC_XTAL,
256 	.sysclk_divider  = 0,
257 	.pixclk_src      = CLK_SRC_XTAL,
258 	.pixclk_divider  = 1,
259 	.pixclk_divider_rotated = 1,
260 },
261 
262 };
263 
264 static struct w100fb_mach_info corgi_fb_info = {
265 	.init_mode  = INIT_MODE_ROTATED,
266 	.mem        = &corgi_fb_mem,
267 	.regs       = &corgi_fb_regs,
268 	.modelist   = &corgi_fb_modes[0],
269 	.num_modes  = 2,
270 	.gpio       = &corgi_fb_gpio,
271 	.xtal_freq  = 12500000,
272 	.xtal_dbl   = 0,
273 };
274 
275 static struct resource corgi_fb_resources[] = {
276 	[0] = {
277 		.start   = 0x08000000,
278 		.end     = 0x08ffffff,
279 		.flags   = IORESOURCE_MEM,
280 	},
281 };
282 
283 static struct platform_device corgifb_device = {
284 	.name           = "w100fb",
285 	.id             = -1,
286 	.num_resources	= ARRAY_SIZE(corgi_fb_resources),
287 	.resource	= corgi_fb_resources,
288 	.dev            = {
289 		.platform_data = &corgi_fb_info,
290 	},
291 
292 };
293 
294 /*
295  * Corgi Keyboard Device
296  */
297 #define CORGI_KEY_CALENDER	KEY_F1
298 #define CORGI_KEY_ADDRESS	KEY_F2
299 #define CORGI_KEY_FN		KEY_F3
300 #define CORGI_KEY_CANCEL	KEY_F4
301 #define CORGI_KEY_OFF		KEY_SUSPEND
302 #define CORGI_KEY_EXOK		KEY_F5
303 #define CORGI_KEY_EXCANCEL	KEY_F6
304 #define CORGI_KEY_EXJOGDOWN	KEY_F7
305 #define CORGI_KEY_EXJOGUP	KEY_F8
306 #define CORGI_KEY_JAP1		KEY_LEFTCTRL
307 #define CORGI_KEY_JAP2		KEY_LEFTALT
308 #define CORGI_KEY_MAIL		KEY_F10
309 #define CORGI_KEY_OK		KEY_F11
310 #define CORGI_KEY_MENU		KEY_F12
311 
312 static const uint32_t corgikbd_keymap[] = {
313 	KEY(0, 1, KEY_1),
314 	KEY(0, 2, KEY_3),
315 	KEY(0, 3, KEY_5),
316 	KEY(0, 4, KEY_6),
317 	KEY(0, 5, KEY_7),
318 	KEY(0, 6, KEY_9),
319 	KEY(0, 7, KEY_0),
320 	KEY(0, 8, KEY_BACKSPACE),
321 	KEY(1, 1, KEY_2),
322 	KEY(1, 2, KEY_4),
323 	KEY(1, 3, KEY_R),
324 	KEY(1, 4, KEY_Y),
325 	KEY(1, 5, KEY_8),
326 	KEY(1, 6, KEY_I),
327 	KEY(1, 7, KEY_O),
328 	KEY(1, 8, KEY_P),
329 	KEY(2, 0, KEY_TAB),
330 	KEY(2, 1, KEY_Q),
331 	KEY(2, 2, KEY_E),
332 	KEY(2, 3, KEY_T),
333 	KEY(2, 4, KEY_G),
334 	KEY(2, 5, KEY_U),
335 	KEY(2, 6, KEY_J),
336 	KEY(2, 7, KEY_K),
337 	KEY(3, 0, CORGI_KEY_CALENDER),
338 	KEY(3, 1, KEY_W),
339 	KEY(3, 2, KEY_S),
340 	KEY(3, 3, KEY_F),
341 	KEY(3, 4, KEY_V),
342 	KEY(3, 5, KEY_H),
343 	KEY(3, 6, KEY_M),
344 	KEY(3, 7, KEY_L),
345 	KEY(3, 9, KEY_RIGHTSHIFT),
346 	KEY(4, 0, CORGI_KEY_ADDRESS),
347 	KEY(4, 1, KEY_A),
348 	KEY(4, 2, KEY_D),
349 	KEY(4, 3, KEY_C),
350 	KEY(4, 4, KEY_B),
351 	KEY(4, 5, KEY_N),
352 	KEY(4, 6, KEY_DOT),
353 	KEY(4, 8, KEY_ENTER),
354 	KEY(4, 10, KEY_LEFTSHIFT),
355 	KEY(5, 0, CORGI_KEY_MAIL),
356 	KEY(5, 1, KEY_Z),
357 	KEY(5, 2, KEY_X),
358 	KEY(5, 3, KEY_MINUS),
359 	KEY(5, 4, KEY_SPACE),
360 	KEY(5, 5, KEY_COMMA),
361 	KEY(5, 7, KEY_UP),
362 	KEY(5, 11, CORGI_KEY_FN),
363 	KEY(6, 0, KEY_SYSRQ),
364 	KEY(6, 1, CORGI_KEY_JAP1),
365 	KEY(6, 2, CORGI_KEY_JAP2),
366 	KEY(6, 3, CORGI_KEY_CANCEL),
367 	KEY(6, 4, CORGI_KEY_OK),
368 	KEY(6, 5, CORGI_KEY_MENU),
369 	KEY(6, 6, KEY_LEFT),
370 	KEY(6, 7, KEY_DOWN),
371 	KEY(6, 8, KEY_RIGHT),
372 	KEY(7, 0, CORGI_KEY_OFF),
373 	KEY(7, 1, CORGI_KEY_EXOK),
374 	KEY(7, 2, CORGI_KEY_EXCANCEL),
375 	KEY(7, 3, CORGI_KEY_EXJOGDOWN),
376 	KEY(7, 4, CORGI_KEY_EXJOGUP),
377 };
378 
379 static struct matrix_keymap_data corgikbd_keymap_data = {
380 	.keymap		= corgikbd_keymap,
381 	.keymap_size	= ARRAY_SIZE(corgikbd_keymap),
382 };
383 
384 static const int corgikbd_row_gpios[] =
385 		{ 58, 59, 60, 61, 62, 63, 64, 65 };
386 static const int corgikbd_col_gpios[] =
387 		{ 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77 };
388 
389 static struct matrix_keypad_platform_data corgikbd_pdata = {
390 	.keymap_data		= &corgikbd_keymap_data,
391 	.row_gpios		= corgikbd_row_gpios,
392 	.col_gpios		= corgikbd_col_gpios,
393 	.num_row_gpios		= ARRAY_SIZE(corgikbd_row_gpios),
394 	.num_col_gpios		= ARRAY_SIZE(corgikbd_col_gpios),
395 	.col_scan_delay_us	= 10,
396 	.debounce_ms		= 10,
397 	.wakeup			= 1,
398 };
399 
400 static struct platform_device corgikbd_device = {
401 	.name		= "matrix-keypad",
402 	.id		= -1,
403 	.dev		= {
404 		.platform_data = &corgikbd_pdata,
405 	},
406 };
407 
408 static struct gpio_keys_button corgi_gpio_keys[] = {
409 	{
410 		.type	= EV_SW,
411 		.code	= SW_LID,
412 		.gpio	= CORGI_GPIO_SWA,
413 		.desc	= "Lid close switch",
414 		.debounce_interval = 500,
415 	},
416 	{
417 		.type	= EV_SW,
418 		.code	= SW_TABLET_MODE,
419 		.gpio	= CORGI_GPIO_SWB,
420 		.desc	= "Tablet mode switch",
421 		.debounce_interval = 500,
422 	},
423 	{
424 		.type	= EV_SW,
425 		.code	= SW_HEADPHONE_INSERT,
426 		.gpio	= CORGI_GPIO_AK_INT,
427 		.desc	= "HeadPhone insert",
428 		.debounce_interval = 500,
429 	},
430 };
431 
432 static struct gpio_keys_platform_data corgi_gpio_keys_platform_data = {
433 	.buttons	= corgi_gpio_keys,
434 	.nbuttons	= ARRAY_SIZE(corgi_gpio_keys),
435 	.poll_interval	= 250,
436 };
437 
438 static struct platform_device corgi_gpio_keys_device = {
439 	.name	= "gpio-keys-polled",
440 	.id	= -1,
441 	.dev	= {
442 		.platform_data	= &corgi_gpio_keys_platform_data,
443 	},
444 };
445 
446 /*
447  * Corgi LEDs
448  */
449 static struct gpio_led corgi_gpio_leds[] = {
450 	{
451 		.name			= "corgi:amber:charge",
452 		.default_trigger	= "sharpsl-charge",
453 		.gpio			= CORGI_GPIO_LED_ORANGE,
454 	},
455 	{
456 		.name			= "corgi:green:mail",
457 		.default_trigger	= "nand-disk",
458 		.gpio			= CORGI_GPIO_LED_GREEN,
459 	},
460 };
461 
462 static struct gpio_led_platform_data corgi_gpio_leds_info = {
463 	.leds		= corgi_gpio_leds,
464 	.num_leds	= ARRAY_SIZE(corgi_gpio_leds),
465 };
466 
467 static struct platform_device corgiled_device = {
468 	.name		= "leds-gpio",
469 	.id		= -1,
470 	.dev		= {
471 		.platform_data = &corgi_gpio_leds_info,
472 	},
473 };
474 
475 static struct gpiod_lookup_table corgi_audio_gpio_table = {
476 	.dev_id = "corgi-audio",
477 	.table = {
478 		GPIO_LOOKUP("sharp-scoop",
479 			    CORGI_GPIO_MUTE_L - CORGI_SCOOP_GPIO_BASE,
480 			    "mute-l", GPIO_ACTIVE_HIGH),
481 		GPIO_LOOKUP("sharp-scoop",
482 			    CORGI_GPIO_MUTE_R - CORGI_SCOOP_GPIO_BASE,
483 			    "mute-r", GPIO_ACTIVE_HIGH),
484 		GPIO_LOOKUP("sharp-scoop",
485 			    CORGI_GPIO_APM_ON - CORGI_SCOOP_GPIO_BASE,
486 			    "apm-on", GPIO_ACTIVE_HIGH),
487 		GPIO_LOOKUP("sharp-scoop",
488 			    CORGI_GPIO_MIC_BIAS - CORGI_SCOOP_GPIO_BASE,
489 			    "mic-bias", GPIO_ACTIVE_HIGH),
490 		{ },
491 	},
492 };
493 
494 /*
495  * Corgi Audio
496  */
497 static struct platform_device corgi_audio_device = {
498 	.name	= "corgi-audio",
499 	.id	= -1,
500 };
501 
502 /*
503  * MMC/SD Device
504  *
505  * The card detect interrupt isn't debounced so we delay it by 250ms
506  * to give the card a chance to fully insert/eject.
507  */
508 static struct pxamci_platform_data corgi_mci_platform_data = {
509 	.detect_delay_ms	= 250,
510 	.ocr_mask		= MMC_VDD_32_33|MMC_VDD_33_34,
511 };
512 
513 static struct gpiod_lookup_table corgi_mci_gpio_table = {
514 	.dev_id = "pxa2xx-mci.0",
515 	.table = {
516 		/* Card detect on GPIO 9 */
517 		GPIO_LOOKUP("gpio-pxa", CORGI_GPIO_nSD_DETECT,
518 			    "cd", GPIO_ACTIVE_LOW),
519 		/* Write protect on GPIO 7 */
520 		GPIO_LOOKUP("gpio-pxa", CORGI_GPIO_nSD_WP,
521 			    "wp", GPIO_ACTIVE_LOW),
522 		/* Power on GPIO 33 */
523 		GPIO_LOOKUP("gpio-pxa", CORGI_GPIO_SD_PWR,
524 			    "power", GPIO_ACTIVE_HIGH),
525 		{ },
526 	},
527 };
528 
529 /*
530  * Irda
531  */
532 static struct pxaficp_platform_data corgi_ficp_platform_data = {
533 	.gpio_pwdown		= CORGI_GPIO_IR_ON,
534 	.transceiver_cap	= IR_SIRMODE | IR_OFF,
535 };
536 
537 
538 /*
539  * USB Device Controller
540  */
541 static struct pxa2xx_udc_mach_info udc_info __initdata = {
542 	/* no connect GPIO; corgi can't tell connection status */
543 	.gpio_pullup		= CORGI_GPIO_USB_PULLUP,
544 };
545 
546 #if IS_ENABLED(CONFIG_SPI_PXA2XX)
547 static struct pxa2xx_spi_controller corgi_spi_info = {
548 	.num_chipselect	= 3,
549 };
550 
551 static struct gpiod_lookup_table corgi_spi_gpio_table = {
552 	.dev_id = "spi1",
553 	.table = {
554 		GPIO_LOOKUP_IDX("gpio-pxa", CORGI_GPIO_ADS7846_CS, "cs", 0, GPIO_ACTIVE_LOW),
555 		GPIO_LOOKUP_IDX("gpio-pxa", CORGI_GPIO_LCDCON_CS, "cs", 1, GPIO_ACTIVE_LOW),
556 		GPIO_LOOKUP_IDX("gpio-pxa", CORGI_GPIO_MAX1111_CS, "cs", 2, GPIO_ACTIVE_LOW),
557 		{ },
558 	},
559 };
560 
corgi_wait_for_hsync(void)561 static void corgi_wait_for_hsync(void)
562 {
563 	while (gpio_get_value(CORGI_GPIO_HSYNC))
564 		cpu_relax();
565 
566 	while (!gpio_get_value(CORGI_GPIO_HSYNC))
567 		cpu_relax();
568 }
569 
570 static struct ads7846_platform_data corgi_ads7846_info = {
571 	.model			= 7846,
572 	.vref_delay_usecs	= 100,
573 	.x_plate_ohms		= 419,
574 	.y_plate_ohms		= 486,
575 	.gpio_pendown		= CORGI_GPIO_TP_INT,
576 	.wait_for_sync		= corgi_wait_for_hsync,
577 };
578 
corgi_bl_kick_battery(void)579 static void corgi_bl_kick_battery(void)
580 {
581 	void (*kick_batt)(void);
582 
583 	kick_batt = symbol_get(sharpsl_battery_kick);
584 	if (kick_batt) {
585 		kick_batt();
586 		symbol_put(sharpsl_battery_kick);
587 	}
588 }
589 
590 static struct gpiod_lookup_table corgi_lcdcon_gpio_table = {
591 	.dev_id = "spi1.1",
592 	.table = {
593 		GPIO_LOOKUP("gpio-pxa", CORGI_GPIO_BACKLIGHT_CONT,
594 			    "BL_CONT", GPIO_ACTIVE_HIGH),
595 		{ },
596 	},
597 };
598 
599 static struct corgi_lcd_platform_data corgi_lcdcon_info = {
600 	.init_mode		= CORGI_LCD_MODE_VGA,
601 	.max_intensity		= 0x2f,
602 	.default_intensity	= 0x1f,
603 	.limit_mask		= 0x0b,
604 	.kick_battery		= corgi_bl_kick_battery,
605 };
606 
607 static struct spi_board_info corgi_spi_devices[] = {
608 	{
609 		.modalias	= "ads7846",
610 		.max_speed_hz	= 1200000,
611 		.bus_num	= 1,
612 		.chip_select	= 0,
613 		.platform_data	= &corgi_ads7846_info,
614 		.irq		= PXA_GPIO_TO_IRQ(CORGI_GPIO_TP_INT),
615 	}, {
616 		.modalias	= "corgi-lcd",
617 		.max_speed_hz	= 50000,
618 		.bus_num	= 1,
619 		.chip_select	= 1,
620 		.platform_data	= &corgi_lcdcon_info,
621 	}, {
622 		.modalias	= "max1111",
623 		.max_speed_hz	= 450000,
624 		.bus_num	= 1,
625 		.chip_select	= 2,
626 	},
627 };
628 
corgi_init_spi(void)629 static void __init corgi_init_spi(void)
630 {
631 	gpiod_add_lookup_table(&corgi_spi_gpio_table);
632 	pxa2xx_set_spi_info(1, &corgi_spi_info);
633 	gpiod_add_lookup_table(&corgi_lcdcon_gpio_table);
634 	spi_register_board_info(ARRAY_AND_SIZE(corgi_spi_devices));
635 }
636 #else
corgi_init_spi(void)637 static inline void corgi_init_spi(void) {}
638 #endif
639 
640 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
641 
642 static struct nand_bbt_descr sharpsl_bbt = {
643 	.options = 0,
644 	.offs = 4,
645 	.len = 2,
646 	.pattern = scan_ff_pattern
647 };
648 
649 static const char * const probes[] = {
650 	"cmdlinepart",
651 	"ofpart",
652 	"sharpslpart",
653 	NULL,
654 };
655 
656 static struct sharpsl_nand_platform_data sharpsl_nand_platform_data = {
657 	.badblock_pattern	= &sharpsl_bbt,
658 	.part_parsers		= probes,
659 };
660 
661 static struct resource sharpsl_nand_resources[] = {
662 	{
663 		.start	= 0x0C000000,
664 		.end	= 0x0C000FFF,
665 		.flags	= IORESOURCE_MEM,
666 	},
667 };
668 
669 static struct platform_device sharpsl_nand_device = {
670 	.name		= "sharpsl-nand",
671 	.id		= -1,
672 	.resource	= sharpsl_nand_resources,
673 	.num_resources	= ARRAY_SIZE(sharpsl_nand_resources),
674 	.dev.platform_data	= &sharpsl_nand_platform_data,
675 };
676 
677 static struct mtd_partition sharpsl_rom_parts[] = {
678 	{
679 		.name	="Boot PROM Filesystem",
680 		.offset	= 0x00120000,
681 		.size	= MTDPART_SIZ_FULL,
682 	},
683 };
684 
685 static struct physmap_flash_data sharpsl_rom_data = {
686 	.width		= 2,
687 	.nr_parts	= ARRAY_SIZE(sharpsl_rom_parts),
688 	.parts		= sharpsl_rom_parts,
689 };
690 
691 static struct resource sharpsl_rom_resources[] = {
692 	{
693 		.start	= 0x00000000,
694 		.end	= 0x007fffff,
695 		.flags	= IORESOURCE_MEM,
696 	},
697 };
698 
699 static struct platform_device sharpsl_rom_device = {
700 	.name	= "physmap-flash",
701 	.id	= -1,
702 	.resource = sharpsl_rom_resources,
703 	.num_resources = ARRAY_SIZE(sharpsl_rom_resources),
704 	.dev.platform_data = &sharpsl_rom_data,
705 };
706 
707 static struct platform_device *devices[] __initdata = {
708 	&corgiscoop_device,
709 	&corgifb_device,
710 	&corgi_gpio_keys_device,
711 	&corgikbd_device,
712 	&corgiled_device,
713 	&corgi_audio_device,
714 	&sharpsl_nand_device,
715 	&sharpsl_rom_device,
716 };
717 
718 static struct i2c_board_info __initdata corgi_i2c_devices[] = {
719 	{ I2C_BOARD_INFO("wm8731", 0x1b) },
720 };
721 
corgi_poweroff(void)722 static void corgi_poweroff(void)
723 {
724 	if (!machine_is_corgi())
725 		/* Green LED off tells the bootloader to halt */
726 		gpio_set_value(CORGI_GPIO_LED_GREEN, 0);
727 
728 	pxa_restart(REBOOT_HARD, NULL);
729 }
730 
corgi_restart(enum reboot_mode mode,const char * cmd)731 static void corgi_restart(enum reboot_mode mode, const char *cmd)
732 {
733 	if (!machine_is_corgi())
734 		/* Green LED on tells the bootloader to reboot */
735 		gpio_set_value(CORGI_GPIO_LED_GREEN, 1);
736 
737 	pxa_restart(REBOOT_HARD, cmd);
738 }
739 
corgi_init(void)740 static void __init corgi_init(void)
741 {
742 	pm_power_off = corgi_poweroff;
743 
744 	/* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
745 	PCFR |= PCFR_OPDE;
746 
747 	pxa2xx_mfp_config(ARRAY_AND_SIZE(corgi_pin_config));
748 
749 	/* allow wakeup from various GPIOs */
750 	gpio_set_wake(CORGI_GPIO_KEY_INT, 1);
751 	gpio_set_wake(CORGI_GPIO_WAKEUP, 1);
752 	gpio_set_wake(CORGI_GPIO_AC_IN, 1);
753 	gpio_set_wake(CORGI_GPIO_CHRG_FULL, 1);
754 
755 	if (!machine_is_corgi())
756 		gpio_set_wake(CORGI_GPIO_MAIN_BAT_LOW, 1);
757 
758 	pxa_set_ffuart_info(NULL);
759 	pxa_set_btuart_info(NULL);
760 	pxa_set_stuart_info(NULL);
761 
762 	corgi_init_spi();
763 
764  	pxa_set_udc_info(&udc_info);
765 	gpiod_add_lookup_table(&corgi_mci_gpio_table);
766 	gpiod_add_lookup_table(&corgi_audio_gpio_table);
767 	pxa_set_mci_info(&corgi_mci_platform_data);
768 	pxa_set_ficp_info(&corgi_ficp_platform_data);
769 	pxa_set_i2c_info(NULL);
770 	i2c_register_board_info(0, ARRAY_AND_SIZE(corgi_i2c_devices));
771 
772 	platform_scoop_config = &corgi_pcmcia_config;
773 
774 	platform_add_devices(devices, ARRAY_SIZE(devices));
775 
776 	regulator_has_full_constraints();
777 }
778 
fixup_corgi(struct tag * tags,char ** cmdline)779 static void __init fixup_corgi(struct tag *tags, char **cmdline)
780 {
781 	sharpsl_save_param();
782 	if (machine_is_corgi())
783 		memblock_add(0xa0000000, SZ_32M);
784 	else
785 		memblock_add(0xa0000000, SZ_64M);
786 }
787 
788 #ifdef CONFIG_MACH_CORGI
789 MACHINE_START(CORGI, "SHARP Corgi")
790 	.fixup		= fixup_corgi,
791 	.map_io		= pxa25x_map_io,
792 	.nr_irqs	= PXA_NR_IRQS,
793 	.init_irq	= pxa25x_init_irq,
794 	.handle_irq	= pxa25x_handle_irq,
795 	.init_machine	= corgi_init,
796 	.init_time	= pxa_timer_init,
797 	.restart	= corgi_restart,
798 MACHINE_END
799 #endif
800 
801 #ifdef CONFIG_MACH_SHEPHERD
802 MACHINE_START(SHEPHERD, "SHARP Shepherd")
803 	.fixup		= fixup_corgi,
804 	.map_io		= pxa25x_map_io,
805 	.nr_irqs	= PXA_NR_IRQS,
806 	.init_irq	= pxa25x_init_irq,
807 	.handle_irq	= pxa25x_handle_irq,
808 	.init_machine	= corgi_init,
809 	.init_time	= pxa_timer_init,
810 	.restart	= corgi_restart,
811 MACHINE_END
812 #endif
813 
814 #ifdef CONFIG_MACH_HUSKY
815 MACHINE_START(HUSKY, "SHARP Husky")
816 	.fixup		= fixup_corgi,
817 	.map_io		= pxa25x_map_io,
818 	.nr_irqs	= PXA_NR_IRQS,
819 	.init_irq	= pxa25x_init_irq,
820 	.handle_irq	= pxa25x_handle_irq,
821 	.init_machine	= corgi_init,
822 	.init_time	= pxa_timer_init,
823 	.restart	= corgi_restart,
824 MACHINE_END
825 #endif
826 
827