1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Support for Sharp SL-Cxx00 Series of PDAs
4 * Models: SL-C3000 (Spitz), SL-C1000 (Akita) and SL-C3100 (Borzoi)
5 *
6 * Copyright (c) 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/platform_device.h>
13#include <linux/delay.h>
14#include <linux/gpio_keys.h>
15#include <linux/gpio.h>
16#include <linux/gpio/machine.h>
17#include <linux/leds.h>
18#include <linux/i2c.h>
19#include <linux/platform_data/i2c-pxa.h>
20#include <linux/platform_data/pca953x.h>
21#include <linux/spi/spi.h>
22#include <linux/spi/ads7846.h>
23#include <linux/spi/corgi_lcd.h>
24#include <linux/spi/pxa2xx_spi.h>
25#include <linux/mtd/sharpsl.h>
26#include <linux/mtd/physmap.h>
27#include <linux/input-event-codes.h>
28#include <linux/input/matrix_keypad.h>
29#include <linux/regulator/machine.h>
30#include <linux/io.h>
31#include <linux/reboot.h>
32#include <linux/memblock.h>
33
34#include <asm/setup.h>
35#include <asm/mach-types.h>
36#include <asm/mach/arch.h>
37#include <asm/mach/sharpsl_param.h>
38#include <asm/hardware/scoop.h>
39
40#include "pxa27x.h"
41#include "pxa27x-udc.h"
42#include "reset.h"
43#include <linux/platform_data/mmc-pxamci.h>
44#include <linux/platform_data/usb-ohci-pxa27x.h>
45#include <linux/platform_data/video-pxafb.h>
46#include "spitz.h"
47#include "sharpsl_pm.h"
48#include "smemc.h"
49
50#include "generic.h"
51#include "devices.h"
52
53/******************************************************************************
54 * Pin configuration
55 ******************************************************************************/
56static unsigned long spitz_pin_config[] __initdata = {
57	/* Chip Selects */
58	GPIO78_nCS_2,	/* SCOOP #2 */
59	GPIO79_nCS_3,	/* NAND */
60	GPIO80_nCS_4,	/* SCOOP #1 */
61
62	/* LCD - 16bpp Active TFT */
63	GPIOxx_LCD_TFT_16BPP,
64
65	/* PC Card */
66	GPIO48_nPOE,
67	GPIO49_nPWE,
68	GPIO50_nPIOR,
69	GPIO51_nPIOW,
70	GPIO85_nPCE_1,
71	GPIO54_nPCE_2,
72	GPIO55_nPREG,
73	GPIO56_nPWAIT,
74	GPIO57_nIOIS16,
75	GPIO104_PSKTSEL,
76
77	/* I2S */
78	GPIO28_I2S_BITCLK_OUT,
79	GPIO29_I2S_SDATA_IN,
80	GPIO30_I2S_SDATA_OUT,
81	GPIO31_I2S_SYNC,
82
83	/* MMC */
84	GPIO32_MMC_CLK,
85	GPIO112_MMC_CMD,
86	GPIO92_MMC_DAT_0,
87	GPIO109_MMC_DAT_1,
88	GPIO110_MMC_DAT_2,
89	GPIO111_MMC_DAT_3,
90
91	/* GPIOs */
92	GPIO9_GPIO,	/* SPITZ_GPIO_nSD_DETECT */
93	GPIO16_GPIO,	/* SPITZ_GPIO_SYNC */
94	GPIO81_GPIO,	/* SPITZ_GPIO_nSD_WP */
95	GPIO41_GPIO,	/* SPITZ_GPIO_USB_CONNECT */
96	GPIO37_GPIO,	/* SPITZ_GPIO_USB_HOST */
97	GPIO35_GPIO,	/* SPITZ_GPIO_USB_DEVICE */
98	GPIO22_GPIO,	/* SPITZ_GPIO_HSYNC */
99	GPIO94_GPIO,	/* SPITZ_GPIO_CF_CD */
100	GPIO105_GPIO,	/* SPITZ_GPIO_CF_IRQ */
101	GPIO106_GPIO,	/* SPITZ_GPIO_CF2_IRQ */
102
103	/* GPIO matrix keypad */
104	GPIO88_GPIO,	/* column 0 */
105	GPIO23_GPIO,	/* column 1 */
106	GPIO24_GPIO,	/* column 2 */
107	GPIO25_GPIO,	/* column 3 */
108	GPIO26_GPIO,	/* column 4 */
109	GPIO27_GPIO,	/* column 5 */
110	GPIO52_GPIO,	/* column 6 */
111	GPIO103_GPIO,	/* column 7 */
112	GPIO107_GPIO,	/* column 8 */
113	GPIO108_GPIO,	/* column 9 */
114	GPIO114_GPIO,	/* column 10 */
115	GPIO12_GPIO,	/* row 0 */
116	GPIO17_GPIO,	/* row 1 */
117	GPIO91_GPIO,	/* row 2 */
118	GPIO34_GPIO,	/* row 3 */
119	GPIO36_GPIO,	/* row 4 */
120	GPIO38_GPIO,	/* row 5 */
121	GPIO39_GPIO,	/* row 6 */
122
123	/* I2C */
124	GPIO117_I2C_SCL,
125	GPIO118_I2C_SDA,
126
127	GPIO0_GPIO | WAKEUP_ON_EDGE_RISE,	/* SPITZ_GPIO_KEY_INT */
128	GPIO1_GPIO | WAKEUP_ON_EDGE_FALL,	/* SPITZ_GPIO_RESET */
129};
130
131
132/******************************************************************************
133 * Scoop GPIO expander
134 ******************************************************************************/
135#if defined(CONFIG_SHARP_SCOOP) || defined(CONFIG_SHARP_SCOOP_MODULE)
136/* SCOOP Device #1 */
137static struct resource spitz_scoop_1_resources[] = {
138	[0] = {
139		.start		= 0x10800000,
140		.end		= 0x10800fff,
141		.flags		= IORESOURCE_MEM,
142	},
143};
144
145static struct scoop_config spitz_scoop_1_setup = {
146	.io_dir		= SPITZ_SCP_IO_DIR,
147	.io_out		= SPITZ_SCP_IO_OUT,
148	.suspend_clr	= SPITZ_SCP_SUS_CLR,
149	.suspend_set	= SPITZ_SCP_SUS_SET,
150	.gpio_base	= SPITZ_SCP_GPIO_BASE,
151};
152
153struct platform_device spitz_scoop_1_device = {
154	.name		= "sharp-scoop",
155	.id		= 0,
156	.dev		= {
157		.platform_data	= &spitz_scoop_1_setup,
158	},
159	.num_resources	= ARRAY_SIZE(spitz_scoop_1_resources),
160	.resource	= spitz_scoop_1_resources,
161};
162
163/* SCOOP Device #2 */
164static struct resource spitz_scoop_2_resources[] = {
165	[0] = {
166		.start		= 0x08800040,
167		.end		= 0x08800fff,
168		.flags		= IORESOURCE_MEM,
169	},
170};
171
172static struct scoop_config spitz_scoop_2_setup = {
173	.io_dir		= SPITZ_SCP2_IO_DIR,
174	.io_out		= SPITZ_SCP2_IO_OUT,
175	.suspend_clr	= SPITZ_SCP2_SUS_CLR,
176	.suspend_set	= SPITZ_SCP2_SUS_SET,
177	.gpio_base	= SPITZ_SCP2_GPIO_BASE,
178};
179
180struct platform_device spitz_scoop_2_device = {
181	.name		= "sharp-scoop",
182	.id		= 1,
183	.dev		= {
184		.platform_data	= &spitz_scoop_2_setup,
185	},
186	.num_resources	= ARRAY_SIZE(spitz_scoop_2_resources),
187	.resource	= spitz_scoop_2_resources,
188};
189
190static void __init spitz_scoop_init(void)
191{
192	platform_device_register(&spitz_scoop_1_device);
193
194	/* Akita doesn't have the second SCOOP chip */
195	if (!machine_is_akita())
196		platform_device_register(&spitz_scoop_2_device);
197}
198
199/* Power control is shared with between one of the CF slots and SD */
200static void __maybe_unused spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr)
201{
202	unsigned short cpr;
203	unsigned long flags;
204
205	if (new_cpr & 0x7) {
206		gpio_set_value(SPITZ_GPIO_CF_POWER, 1);
207		mdelay(5);
208	}
209
210	local_irq_save(flags);
211
212	cpr = read_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR);
213
214	if (enable & new_cpr)
215		cpr |= new_cpr;
216	else
217		cpr &= ~enable;
218
219	write_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR, cpr);
220
221	local_irq_restore(flags);
222
223	if (!(cpr & 0x7)) {
224		mdelay(1);
225		gpio_set_value(SPITZ_GPIO_CF_POWER, 0);
226	}
227}
228
229#else
230static inline void spitz_scoop_init(void) {}
231static inline void spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr) {}
232#endif
233
234/******************************************************************************
235 * PCMCIA
236 ******************************************************************************/
237#if defined(CONFIG_PCMCIA_PXA2XX) || defined(CONFIG_PCMCIA_PXA2XX_MODULE)
238static void spitz_pcmcia_pwr(struct device *scoop, uint16_t cpr, int nr)
239{
240	/* Only need to override behaviour for slot 0 */
241	if (nr == 0)
242		spitz_card_pwr_ctrl(
243			cpr & (SCOOP_CPR_CF_3V | SCOOP_CPR_CF_XV), cpr);
244	else
245		write_scoop_reg(scoop, SCOOP_CPR, cpr);
246}
247
248static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = {
249	{
250		.dev		= &spitz_scoop_1_device.dev,
251		.irq		= SPITZ_IRQ_GPIO_CF_IRQ,
252		.cd_irq		= SPITZ_IRQ_GPIO_CF_CD,
253		.cd_irq_str	= "PCMCIA0 CD",
254	}, {
255		.dev		= &spitz_scoop_2_device.dev,
256		.irq		= SPITZ_IRQ_GPIO_CF2_IRQ,
257		.cd_irq		= -1,
258	},
259};
260
261static struct scoop_pcmcia_config spitz_pcmcia_config = {
262	.devs		= &spitz_pcmcia_scoop[0],
263	.num_devs	= 2,
264	.power_ctrl	= spitz_pcmcia_pwr,
265};
266
267static void __init spitz_pcmcia_init(void)
268{
269	/* Akita has only one PCMCIA slot used */
270	if (machine_is_akita())
271		spitz_pcmcia_config.num_devs = 1;
272
273	platform_scoop_config = &spitz_pcmcia_config;
274}
275#else
276static inline void spitz_pcmcia_init(void) {}
277#endif
278
279/******************************************************************************
280 * GPIO keyboard
281 ******************************************************************************/
282#if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE)
283
284#define SPITZ_KEY_CALENDAR	KEY_F1
285#define SPITZ_KEY_ADDRESS	KEY_F2
286#define SPITZ_KEY_FN		KEY_F3
287#define SPITZ_KEY_CANCEL	KEY_F4
288#define SPITZ_KEY_EXOK		KEY_F5
289#define SPITZ_KEY_EXCANCEL	KEY_F6
290#define SPITZ_KEY_EXJOGDOWN	KEY_F7
291#define SPITZ_KEY_EXJOGUP	KEY_F8
292#define SPITZ_KEY_JAP1		KEY_LEFTALT
293#define SPITZ_KEY_JAP2		KEY_RIGHTCTRL
294#define SPITZ_KEY_SYNC		KEY_F9
295#define SPITZ_KEY_MAIL		KEY_F10
296#define SPITZ_KEY_OK		KEY_F11
297#define SPITZ_KEY_MENU		KEY_F12
298
299static const uint32_t spitz_keymap[] = {
300	KEY(0, 0, KEY_LEFTCTRL),
301	KEY(0, 1, KEY_1),
302	KEY(0, 2, KEY_3),
303	KEY(0, 3, KEY_5),
304	KEY(0, 4, KEY_6),
305	KEY(0, 5, KEY_7),
306	KEY(0, 6, KEY_9),
307	KEY(0, 7, KEY_0),
308	KEY(0, 8, KEY_BACKSPACE),
309	KEY(0, 9, SPITZ_KEY_EXOK),	/* EXOK */
310	KEY(0, 10, SPITZ_KEY_EXCANCEL),	/* EXCANCEL */
311	KEY(1, 1, KEY_2),
312	KEY(1, 2, KEY_4),
313	KEY(1, 3, KEY_R),
314	KEY(1, 4, KEY_Y),
315	KEY(1, 5, KEY_8),
316	KEY(1, 6, KEY_I),
317	KEY(1, 7, KEY_O),
318	KEY(1, 8, KEY_P),
319	KEY(1, 9, SPITZ_KEY_EXJOGDOWN),	/* EXJOGDOWN */
320	KEY(1, 10, SPITZ_KEY_EXJOGUP),	/* EXJOGUP */
321	KEY(2, 0, KEY_TAB),
322	KEY(2, 1, KEY_Q),
323	KEY(2, 2, KEY_E),
324	KEY(2, 3, KEY_T),
325	KEY(2, 4, KEY_G),
326	KEY(2, 5, KEY_U),
327	KEY(2, 6, KEY_J),
328	KEY(2, 7, KEY_K),
329	KEY(3, 0, SPITZ_KEY_ADDRESS),	/* ADDRESS */
330	KEY(3, 1, KEY_W),
331	KEY(3, 2, KEY_S),
332	KEY(3, 3, KEY_F),
333	KEY(3, 4, KEY_V),
334	KEY(3, 5, KEY_H),
335	KEY(3, 6, KEY_M),
336	KEY(3, 7, KEY_L),
337	KEY(3, 9, KEY_RIGHTSHIFT),
338	KEY(4, 0, SPITZ_KEY_CALENDAR),	/* CALENDAR */
339	KEY(4, 1, KEY_A),
340	KEY(4, 2, KEY_D),
341	KEY(4, 3, KEY_C),
342	KEY(4, 4, KEY_B),
343	KEY(4, 5, KEY_N),
344	KEY(4, 6, KEY_DOT),
345	KEY(4, 8, KEY_ENTER),
346	KEY(4, 9, KEY_LEFTSHIFT),
347	KEY(5, 0, SPITZ_KEY_MAIL),	/* MAIL */
348	KEY(5, 1, KEY_Z),
349	KEY(5, 2, KEY_X),
350	KEY(5, 3, KEY_MINUS),
351	KEY(5, 4, KEY_SPACE),
352	KEY(5, 5, KEY_COMMA),
353	KEY(5, 7, KEY_UP),
354	KEY(5, 10, SPITZ_KEY_FN),	/* FN */
355	KEY(6, 0, KEY_SYSRQ),
356	KEY(6, 1, SPITZ_KEY_JAP1),	/* JAP1 */
357	KEY(6, 2, SPITZ_KEY_JAP2),	/* JAP2 */
358	KEY(6, 3, SPITZ_KEY_CANCEL),	/* CANCEL */
359	KEY(6, 4, SPITZ_KEY_OK),	/* OK */
360	KEY(6, 5, SPITZ_KEY_MENU),	/* MENU */
361	KEY(6, 6, KEY_LEFT),
362	KEY(6, 7, KEY_DOWN),
363	KEY(6, 8, KEY_RIGHT),
364};
365
366static const struct matrix_keymap_data spitz_keymap_data = {
367	.keymap		= spitz_keymap,
368	.keymap_size	= ARRAY_SIZE(spitz_keymap),
369};
370
371static const uint32_t spitz_row_gpios[] =
372		{ 12, 17, 91, 34, 36, 38, 39 };
373static const uint32_t spitz_col_gpios[] =
374		{ 88, 23, 24, 25, 26, 27, 52, 103, 107, 108, 114 };
375
376static struct matrix_keypad_platform_data spitz_mkp_pdata = {
377	.keymap_data		= &spitz_keymap_data,
378	.row_gpios		= spitz_row_gpios,
379	.col_gpios		= spitz_col_gpios,
380	.num_row_gpios		= ARRAY_SIZE(spitz_row_gpios),
381	.num_col_gpios		= ARRAY_SIZE(spitz_col_gpios),
382	.col_scan_delay_us	= 10,
383	.debounce_ms		= 10,
384	.wakeup			= 1,
385};
386
387static struct platform_device spitz_mkp_device = {
388	.name		= "matrix-keypad",
389	.id		= -1,
390	.dev		= {
391		.platform_data	= &spitz_mkp_pdata,
392	},
393};
394
395static void __init spitz_mkp_init(void)
396{
397	platform_device_register(&spitz_mkp_device);
398}
399#else
400static inline void spitz_mkp_init(void) {}
401#endif
402
403/******************************************************************************
404 * GPIO keys
405 ******************************************************************************/
406#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
407static struct gpio_keys_button spitz_gpio_keys[] = {
408	{
409		.type	= EV_PWR,
410		.code	= KEY_SUSPEND,
411		.gpio	= SPITZ_GPIO_ON_KEY,
412		.desc	= "On Off",
413		.wakeup	= 1,
414	},
415	/* Two buttons detecting the lid state */
416	{
417		.type	= EV_SW,
418		.code	= 0,
419		.gpio	= SPITZ_GPIO_SWA,
420		.desc	= "Display Down",
421	},
422	{
423		.type	= EV_SW,
424		.code	= 1,
425		.gpio	= SPITZ_GPIO_SWB,
426		.desc	= "Lid Closed",
427	},
428};
429
430static struct gpio_keys_platform_data spitz_gpio_keys_platform_data = {
431	.buttons	= spitz_gpio_keys,
432	.nbuttons	= ARRAY_SIZE(spitz_gpio_keys),
433};
434
435static struct platform_device spitz_gpio_keys_device = {
436	.name	= "gpio-keys",
437	.id	= -1,
438	.dev	= {
439		.platform_data	= &spitz_gpio_keys_platform_data,
440	},
441};
442
443static void __init spitz_keys_init(void)
444{
445	platform_device_register(&spitz_gpio_keys_device);
446}
447#else
448static inline void spitz_keys_init(void) {}
449#endif
450
451/******************************************************************************
452 * LEDs
453 ******************************************************************************/
454#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
455static struct gpio_led spitz_gpio_leds[] = {
456	{
457		.name			= "spitz:amber:charge",
458		.default_trigger	= "sharpsl-charge",
459		.gpio			= SPITZ_GPIO_LED_ORANGE,
460	},
461	{
462		.name			= "spitz:green:hddactivity",
463		.default_trigger	= "disk-activity",
464		.gpio			= SPITZ_GPIO_LED_GREEN,
465	},
466};
467
468static struct gpio_led_platform_data spitz_gpio_leds_info = {
469	.leds		= spitz_gpio_leds,
470	.num_leds	= ARRAY_SIZE(spitz_gpio_leds),
471};
472
473static struct platform_device spitz_led_device = {
474	.name		= "leds-gpio",
475	.id		= -1,
476	.dev		= {
477		.platform_data	= &spitz_gpio_leds_info,
478	},
479};
480
481static void __init spitz_leds_init(void)
482{
483	platform_device_register(&spitz_led_device);
484}
485#else
486static inline void spitz_leds_init(void) {}
487#endif
488
489/******************************************************************************
490 * SSP Devices
491 ******************************************************************************/
492#if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
493static void spitz_ads7846_wait_for_hsync(void)
494{
495	while (gpio_get_value(SPITZ_GPIO_HSYNC))
496		cpu_relax();
497
498	while (!gpio_get_value(SPITZ_GPIO_HSYNC))
499		cpu_relax();
500}
501
502static struct ads7846_platform_data spitz_ads7846_info = {
503	.model			= 7846,
504	.vref_delay_usecs	= 100,
505	.x_plate_ohms		= 419,
506	.y_plate_ohms		= 486,
507	.pressure_max		= 1024,
508	.wait_for_sync		= spitz_ads7846_wait_for_hsync,
509};
510
511static struct gpiod_lookup_table spitz_ads7846_gpio_table = {
512	.dev_id = "spi2.0",
513	.table = {
514		GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_TP_INT,
515			    "pendown", GPIO_ACTIVE_LOW),
516		{ }
517	},
518};
519
520static struct gpiod_lookup_table spitz_lcdcon_gpio_table = {
521	.dev_id = "spi2.1",
522	.table = {
523		GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_BACKLIGHT_CONT,
524			    "BL_CONT", GPIO_ACTIVE_LOW),
525		GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_BACKLIGHT_ON,
526			    "BL_ON", GPIO_ACTIVE_HIGH),
527		{ },
528	},
529};
530
531static struct gpiod_lookup_table akita_lcdcon_gpio_table = {
532	.dev_id = "spi2.1",
533	.table = {
534		GPIO_LOOKUP("gpio-pxa", AKITA_GPIO_BACKLIGHT_CONT,
535			    "BL_CONT", GPIO_ACTIVE_LOW),
536		GPIO_LOOKUP("gpio-pxa", AKITA_GPIO_BACKLIGHT_ON,
537			    "BL_ON", GPIO_ACTIVE_HIGH),
538		{ },
539	},
540};
541
542static struct corgi_lcd_platform_data spitz_lcdcon_info = {
543	.init_mode		= CORGI_LCD_MODE_VGA,
544	.max_intensity		= 0x2f,
545	.default_intensity	= 0x1f,
546	.limit_mask		= 0x0b,
547	.kick_battery		= sharpsl_battery_kick,
548};
549
550static struct spi_board_info spitz_spi_devices[] = {
551	{
552		.modalias		= "ads7846",
553		.max_speed_hz		= 1200000,
554		.bus_num		= 2,
555		.chip_select		= 0,
556		.platform_data		= &spitz_ads7846_info,
557		.irq			= PXA_GPIO_TO_IRQ(SPITZ_GPIO_TP_INT),
558	}, {
559		.modalias		= "corgi-lcd",
560		.max_speed_hz		= 50000,
561		.bus_num		= 2,
562		.chip_select		= 1,
563		.platform_data		= &spitz_lcdcon_info,
564	}, {
565		.modalias		= "max1111",
566		.max_speed_hz		= 450000,
567		.bus_num		= 2,
568		.chip_select		= 2,
569	},
570};
571
572static struct pxa2xx_spi_controller spitz_spi_info = {
573	.num_chipselect	= 3,
574};
575
576static struct gpiod_lookup_table spitz_spi_gpio_table = {
577	.dev_id = "spi2",
578	.table = {
579		GPIO_LOOKUP_IDX("gpio-pxa", SPITZ_GPIO_ADS7846_CS, "cs", 0, GPIO_ACTIVE_LOW),
580		GPIO_LOOKUP_IDX("gpio-pxa", SPITZ_GPIO_LCDCON_CS, "cs", 1, GPIO_ACTIVE_LOW),
581		GPIO_LOOKUP_IDX("gpio-pxa", SPITZ_GPIO_MAX1111_CS, "cs", 2, GPIO_ACTIVE_LOW),
582		{ },
583	},
584};
585
586static void __init spitz_spi_init(void)
587{
588	if (machine_is_akita())
589		gpiod_add_lookup_table(&akita_lcdcon_gpio_table);
590	else
591		gpiod_add_lookup_table(&spitz_lcdcon_gpio_table);
592
593	gpiod_add_lookup_table(&spitz_ads7846_gpio_table);
594	gpiod_add_lookup_table(&spitz_spi_gpio_table);
595	pxa2xx_set_spi_info(2, &spitz_spi_info);
596	spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices));
597}
598#else
599static inline void spitz_spi_init(void) {}
600#endif
601
602/******************************************************************************
603 * SD/MMC card controller
604 ******************************************************************************/
605#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
606/*
607 * NOTE: The card detect interrupt isn't debounced so we delay it by 250ms to
608 * give the card a chance to fully insert/eject.
609 */
610static int spitz_mci_setpower(struct device *dev, unsigned int vdd)
611{
612	struct pxamci_platform_data* p_d = dev->platform_data;
613
614	if ((1 << vdd) & p_d->ocr_mask)
615		spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, SCOOP_CPR_SD_3V);
616	else
617		spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, 0x0);
618
619	return 0;
620}
621
622static struct pxamci_platform_data spitz_mci_platform_data = {
623	.detect_delay_ms	= 250,
624	.ocr_mask		= MMC_VDD_32_33|MMC_VDD_33_34,
625	.setpower		= spitz_mci_setpower,
626};
627
628static struct gpiod_lookup_table spitz_mci_gpio_table = {
629	.dev_id = "pxa2xx-mci.0",
630	.table = {
631		GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_nSD_DETECT,
632			    "cd", GPIO_ACTIVE_LOW),
633		GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_nSD_WP,
634			    "wp", GPIO_ACTIVE_LOW),
635		{ },
636	},
637};
638
639static void __init spitz_mmc_init(void)
640{
641	gpiod_add_lookup_table(&spitz_mci_gpio_table);
642	pxa_set_mci_info(&spitz_mci_platform_data);
643}
644#else
645static inline void spitz_mmc_init(void) {}
646#endif
647
648/******************************************************************************
649 * USB Host
650 ******************************************************************************/
651#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
652static int spitz_ohci_init(struct device *dev)
653{
654	int err;
655
656	err = gpio_request(SPITZ_GPIO_USB_HOST, "USB_HOST");
657	if (err)
658		return err;
659
660	/* Only Port 2 is connected, setup USB Port 2 Output Control Register */
661	UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
662
663	return gpio_direction_output(SPITZ_GPIO_USB_HOST, 1);
664}
665
666static void spitz_ohci_exit(struct device *dev)
667{
668	gpio_free(SPITZ_GPIO_USB_HOST);
669}
670
671static struct pxaohci_platform_data spitz_ohci_platform_data = {
672	.port_mode	= PMM_NPS_MODE,
673	.init		= spitz_ohci_init,
674	.exit		= spitz_ohci_exit,
675	.flags		= ENABLE_PORT_ALL | NO_OC_PROTECTION,
676	.power_budget	= 150,
677};
678
679static void __init spitz_uhc_init(void)
680{
681	pxa_set_ohci_info(&spitz_ohci_platform_data);
682}
683#else
684static inline void spitz_uhc_init(void) {}
685#endif
686
687/******************************************************************************
688 * Framebuffer
689 ******************************************************************************/
690#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
691static struct pxafb_mode_info spitz_pxafb_modes[] = {
692	{
693		.pixclock       = 19231,
694		.xres           = 480,
695		.yres           = 640,
696		.bpp            = 16,
697		.hsync_len      = 40,
698		.left_margin    = 46,
699		.right_margin   = 125,
700		.vsync_len      = 3,
701		.upper_margin   = 1,
702		.lower_margin   = 0,
703		.sync           = 0,
704	}, {
705		.pixclock       = 134617,
706		.xres           = 240,
707		.yres           = 320,
708		.bpp            = 16,
709		.hsync_len      = 20,
710		.left_margin    = 20,
711		.right_margin   = 46,
712		.vsync_len      = 2,
713		.upper_margin   = 1,
714		.lower_margin   = 0,
715		.sync           = 0,
716	},
717};
718
719static struct pxafb_mach_info spitz_pxafb_info = {
720	.modes          = spitz_pxafb_modes,
721	.num_modes      = ARRAY_SIZE(spitz_pxafb_modes),
722	.fixed_modes    = 1,
723	.lcd_conn	= LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING,
724};
725
726static void __init spitz_lcd_init(void)
727{
728	pxa_set_fb_info(NULL, &spitz_pxafb_info);
729}
730#else
731static inline void spitz_lcd_init(void) {}
732#endif
733
734/******************************************************************************
735 * NAND Flash
736 ******************************************************************************/
737#if defined(CONFIG_MTD_NAND_SHARPSL) || defined(CONFIG_MTD_NAND_SHARPSL_MODULE)
738static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
739
740static struct nand_bbt_descr spitz_nand_bbt = {
741	.options	= 0,
742	.offs		= 4,
743	.len		= 2,
744	.pattern	= scan_ff_pattern
745};
746
747static int akita_ooblayout_ecc(struct mtd_info *mtd, int section,
748			       struct mtd_oob_region *oobregion)
749{
750	if (section > 12)
751		return -ERANGE;
752
753	switch (section % 3) {
754	case 0:
755		oobregion->offset = 5;
756		oobregion->length = 1;
757		break;
758
759	case 1:
760		oobregion->offset = 1;
761		oobregion->length = 3;
762		break;
763
764	case 2:
765		oobregion->offset = 6;
766		oobregion->length = 2;
767		break;
768	}
769
770	oobregion->offset += (section / 3) * 0x10;
771
772	return 0;
773}
774
775static int akita_ooblayout_free(struct mtd_info *mtd, int section,
776				struct mtd_oob_region *oobregion)
777{
778	if (section)
779		return -ERANGE;
780
781	oobregion->offset = 8;
782	oobregion->length = 9;
783
784	return 0;
785}
786
787static const struct mtd_ooblayout_ops akita_ooblayout_ops = {
788	.ecc = akita_ooblayout_ecc,
789	.free = akita_ooblayout_free,
790};
791
792static const char * const probes[] = {
793	"cmdlinepart",
794	"ofpart",
795	"sharpslpart",
796	NULL,
797};
798
799static struct sharpsl_nand_platform_data spitz_nand_pdata = {
800	.badblock_pattern	= &spitz_nand_bbt,
801	.part_parsers		= probes,
802};
803
804static struct resource spitz_nand_resources[] = {
805	{
806		.start	= PXA_CS3_PHYS,
807		.end	= PXA_CS3_PHYS + SZ_4K - 1,
808		.flags	= IORESOURCE_MEM,
809	},
810};
811
812static struct platform_device spitz_nand_device = {
813	.name		= "sharpsl-nand",
814	.id		= -1,
815	.resource	= spitz_nand_resources,
816	.num_resources	= ARRAY_SIZE(spitz_nand_resources),
817	.dev		= {
818		.platform_data	= &spitz_nand_pdata,
819	}
820};
821
822static void __init spitz_nand_init(void)
823{
824	if (machine_is_akita() || machine_is_borzoi()) {
825		spitz_nand_bbt.len = 1;
826		spitz_nand_pdata.ecc_layout = &akita_ooblayout_ops;
827	}
828
829	platform_device_register(&spitz_nand_device);
830}
831#else
832static inline void spitz_nand_init(void) {}
833#endif
834
835/******************************************************************************
836 * NOR Flash
837 ******************************************************************************/
838#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
839static struct mtd_partition spitz_rom_parts[] = {
840	{
841		.name	="Boot PROM Filesystem",
842		.offset	= 0x00140000,
843		.size	= MTDPART_SIZ_FULL,
844	},
845};
846
847static struct physmap_flash_data spitz_rom_data = {
848	.width		= 2,
849	.nr_parts	= ARRAY_SIZE(spitz_rom_parts),
850	.parts		= spitz_rom_parts,
851};
852
853static struct resource spitz_rom_resources[] = {
854	{
855		.start	= PXA_CS0_PHYS,
856		.end	= PXA_CS0_PHYS + SZ_8M - 1,
857		.flags	= IORESOURCE_MEM,
858	},
859};
860
861static struct platform_device spitz_rom_device = {
862	.name		= "physmap-flash",
863	.id		= -1,
864	.resource	= spitz_rom_resources,
865	.num_resources	= ARRAY_SIZE(spitz_rom_resources),
866	.dev		= {
867		.platform_data	= &spitz_rom_data,
868	},
869};
870
871static void __init spitz_nor_init(void)
872{
873	platform_device_register(&spitz_rom_device);
874}
875#else
876static inline void spitz_nor_init(void) {}
877#endif
878
879/******************************************************************************
880 * I2C devices
881 ******************************************************************************/
882#if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
883static struct pca953x_platform_data akita_pca953x_pdata = {
884	.gpio_base		= AKITA_IOEXP_GPIO_BASE,
885};
886
887static struct i2c_board_info spitz_i2c_devs[] = {
888	{
889		.type		= "wm8750",
890		.addr		= 0x1b,
891	}, {
892		.type		= "max7310",
893		.addr		= 0x18,
894		.platform_data	= &akita_pca953x_pdata,
895	},
896};
897
898static struct regulator_consumer_supply isl6271a_consumers[] = {
899	REGULATOR_SUPPLY("vcc_core", NULL),
900};
901
902static struct regulator_init_data isl6271a_info[] = {
903	{
904		.constraints = {
905			.name		= "vcc_core range",
906			.min_uV		= 850000,
907			.max_uV		= 1600000,
908			.always_on	= 1,
909			.valid_ops_mask	= REGULATOR_CHANGE_VOLTAGE,
910		},
911	.consumer_supplies	= isl6271a_consumers,
912	.num_consumer_supplies	= ARRAY_SIZE(isl6271a_consumers),
913	}
914};
915
916static struct i2c_board_info spitz_pi2c_devs[] = {
917	{
918		.type		= "isl6271a",
919		.addr		= 0x0c,
920		.platform_data	= &isl6271a_info,
921	},
922};
923
924static void __init spitz_i2c_init(void)
925{
926	int size = ARRAY_SIZE(spitz_i2c_devs);
927
928	/* Only Akita has the max7310 chip */
929	if (!machine_is_akita())
930		size--;
931
932	pxa_set_i2c_info(NULL);
933	pxa27x_set_i2c_power_info(NULL);
934	i2c_register_board_info(0, spitz_i2c_devs, size);
935	i2c_register_board_info(1, ARRAY_AND_SIZE(spitz_pi2c_devs));
936}
937#else
938static inline void spitz_i2c_init(void) {}
939#endif
940
941static struct gpiod_lookup_table spitz_audio_gpio_table = {
942	.dev_id = "spitz-audio",
943	.table = {
944		GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_L - SPITZ_SCP_GPIO_BASE,
945			    "mute-l", GPIO_ACTIVE_HIGH),
946		GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_R - SPITZ_SCP_GPIO_BASE,
947			    "mute-r", GPIO_ACTIVE_HIGH),
948		GPIO_LOOKUP("sharp-scoop.1", SPITZ_GPIO_MIC_BIAS - SPITZ_SCP2_GPIO_BASE,
949			    "mic", GPIO_ACTIVE_HIGH),
950		{ },
951	},
952};
953
954static struct gpiod_lookup_table akita_audio_gpio_table = {
955	.dev_id = "spitz-audio",
956	.table = {
957		GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_L - SPITZ_SCP_GPIO_BASE,
958			    "mute-l", GPIO_ACTIVE_HIGH),
959		GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_R - SPITZ_SCP_GPIO_BASE,
960			    "mute-r", GPIO_ACTIVE_HIGH),
961		GPIO_LOOKUP("i2c-max7310", AKITA_GPIO_MIC_BIAS - AKITA_IOEXP_GPIO_BASE,
962			    "mic", GPIO_ACTIVE_HIGH),
963		{ },
964	},
965};
966
967/******************************************************************************
968 * Audio devices
969 ******************************************************************************/
970static inline void spitz_audio_init(void)
971{
972	if (machine_is_akita())
973		gpiod_add_lookup_table(&akita_audio_gpio_table);
974	else
975		gpiod_add_lookup_table(&spitz_audio_gpio_table);
976
977	platform_device_register_simple("spitz-audio", -1, NULL, 0);
978}
979
980/******************************************************************************
981 * Machine init
982 ******************************************************************************/
983static void spitz_poweroff(void)
984{
985	pxa_restart(REBOOT_GPIO, NULL);
986}
987
988static void spitz_restart(enum reboot_mode mode, const char *cmd)
989{
990	uint32_t msc0 = __raw_readl(MSC0);
991	/* Bootloader magic for a reboot */
992	if ((msc0 & 0xffff0000) == 0x7ff00000)
993		__raw_writel((msc0 & 0xffff) | 0x7ee00000, MSC0);
994
995	spitz_poweroff();
996}
997
998static void __init spitz_init(void)
999{
1000	init_gpio_reset(SPITZ_GPIO_ON_RESET, 1, 0);
1001	pm_power_off = spitz_poweroff;
1002
1003	PMCR = 0x00;
1004
1005	/* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
1006	PCFR |= PCFR_OPDE;
1007
1008	pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config));
1009
1010	pxa_set_ffuart_info(NULL);
1011	pxa_set_btuart_info(NULL);
1012	pxa_set_stuart_info(NULL);
1013
1014	spitz_spi_init();
1015	spitz_scoop_init();
1016	spitz_mkp_init();
1017	spitz_keys_init();
1018	spitz_leds_init();
1019	spitz_mmc_init();
1020	spitz_pcmcia_init();
1021	spitz_uhc_init();
1022	spitz_lcd_init();
1023	spitz_nor_init();
1024	spitz_nand_init();
1025	spitz_i2c_init();
1026	spitz_audio_init();
1027
1028	regulator_has_full_constraints();
1029}
1030
1031static void __init spitz_fixup(struct tag *tags, char **cmdline)
1032{
1033	sharpsl_save_param();
1034	memblock_add(0xa0000000, SZ_64M);
1035}
1036
1037#ifdef CONFIG_MACH_SPITZ
1038MACHINE_START(SPITZ, "SHARP Spitz")
1039	.fixup		= spitz_fixup,
1040	.map_io		= pxa27x_map_io,
1041	.nr_irqs	= PXA_NR_IRQS,
1042	.init_irq	= pxa27x_init_irq,
1043	.init_machine	= spitz_init,
1044	.init_time	= pxa_timer_init,
1045	.restart	= spitz_restart,
1046MACHINE_END
1047#endif
1048
1049#ifdef CONFIG_MACH_BORZOI
1050MACHINE_START(BORZOI, "SHARP Borzoi")
1051	.fixup		= spitz_fixup,
1052	.map_io		= pxa27x_map_io,
1053	.nr_irqs	= PXA_NR_IRQS,
1054	.init_irq	= pxa27x_init_irq,
1055	.init_machine	= spitz_init,
1056	.init_time	= pxa_timer_init,
1057	.restart	= spitz_restart,
1058MACHINE_END
1059#endif
1060
1061#ifdef CONFIG_MACH_AKITA
1062MACHINE_START(AKITA, "SHARP Akita")
1063	.fixup		= spitz_fixup,
1064	.map_io		= pxa27x_map_io,
1065	.nr_irqs	= PXA_NR_IRQS,
1066	.init_irq	= pxa27x_init_irq,
1067	.init_machine	= spitz_init,
1068	.init_time	= pxa_timer_init,
1069	.restart	= spitz_restart,
1070MACHINE_END
1071#endif
1072