2 * Support for Sharp SL-Cxx00 Series of PDAs
3 * Models: SL-C3000 (Spitz), SL-C1000 (Akita) and SL-C3100 (Borzoi)
5 * Copyright (c) 2005 Richard Purdie
7 * Based on Sharp's 2.4 kernel patches/lubbock.c
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
15 #include <linux/kernel.h>
16 #include <linux/platform_device.h>
17 #include <linux/delay.h>
18 #include <linux/gpio.h>
19 #include <linux/leds.h>
20 #include <linux/mtd/physmap.h>
21 #include <linux/i2c.h>
22 #include <linux/i2c/pca953x.h>
23 #include <linux/spi/spi.h>
24 #include <linux/spi/ads7846.h>
25 #include <linux/spi/corgi_lcd.h>
26 #include <linux/mtd/sharpsl.h>
27 #include <linux/input/matrix_keypad.h>
29 #include <asm/setup.h>
30 #include <asm/mach-types.h>
31 #include <asm/mach/arch.h>
32 #include <asm/mach/sharpsl_param.h>
33 #include <asm/hardware/scoop.h>
36 #include <mach/pxa27x.h>
37 #include <mach/pxa27x-udc.h>
38 #include <mach/reset.h>
40 #include <mach/irda.h>
42 #include <mach/ohci.h>
43 #include <mach/pxafb.h>
44 #include <mach/pxa2xx_spi.h>
45 #include <mach/spitz.h>
51 static unsigned long spitz_pin_config[] __initdata = {
53 GPIO78_nCS_2, /* SCOOP #2 */
54 GPIO79_nCS_3, /* NAND */
55 GPIO80_nCS_4, /* SCOOP #1 */
57 /* LCD - 16bpp Active TFT */
91 GPIO28_I2S_BITCLK_OUT,
105 GPIO9_GPIO, /* SPITZ_GPIO_nSD_DETECT */
106 GPIO81_GPIO, /* SPITZ_GPIO_nSD_WP */
107 GPIO41_GPIO, /* SPITZ_GPIO_USB_CONNECT */
108 GPIO37_GPIO, /* SPITZ_GPIO_USB_HOST */
109 GPIO35_GPIO, /* SPITZ_GPIO_USB_DEVICE */
110 GPIO22_GPIO, /* SPITZ_GPIO_HSYNC */
111 GPIO94_GPIO, /* SPITZ_GPIO_CF_CD */
112 GPIO105_GPIO, /* SPITZ_GPIO_CF_IRQ */
113 GPIO106_GPIO, /* SPITZ_GPIO_CF2_IRQ */
115 /* GPIO matrix keypad */
116 GPIO88_GPIO, /* column 0 */
117 GPIO23_GPIO, /* column 1 */
118 GPIO24_GPIO, /* column 2 */
119 GPIO25_GPIO, /* column 3 */
120 GPIO26_GPIO, /* column 4 */
121 GPIO27_GPIO, /* column 5 */
122 GPIO52_GPIO, /* column 6 */
123 GPIO103_GPIO, /* column 7 */
124 GPIO107_GPIO, /* column 8 */
125 GPIO108_GPIO, /* column 9 */
126 GPIO114_GPIO, /* column 10 */
127 GPIO12_GPIO, /* row 0 */
128 GPIO17_GPIO, /* row 1 */
129 GPIO91_GPIO, /* row 2 */
130 GPIO34_GPIO, /* row 3 */
131 GPIO36_GPIO, /* row 4 */
132 GPIO38_GPIO, /* row 5 */
133 GPIO39_GPIO, /* row 6 */
139 GPIO1_GPIO | WAKEUP_ON_EDGE_RISE,
143 * Spitz SCOOP Device #1
145 static struct resource spitz_scoop_resources[] = {
149 .flags = IORESOURCE_MEM,
153 static struct scoop_config spitz_scoop_setup = {
154 .io_dir = SPITZ_SCP_IO_DIR,
155 .io_out = SPITZ_SCP_IO_OUT,
156 .suspend_clr = SPITZ_SCP_SUS_CLR,
157 .suspend_set = SPITZ_SCP_SUS_SET,
158 .gpio_base = SPITZ_SCP_GPIO_BASE,
161 struct platform_device spitzscoop_device = {
162 .name = "sharp-scoop",
165 .platform_data = &spitz_scoop_setup,
167 .num_resources = ARRAY_SIZE(spitz_scoop_resources),
168 .resource = spitz_scoop_resources,
172 * Spitz SCOOP Device #2
174 static struct resource spitz_scoop2_resources[] = {
178 .flags = IORESOURCE_MEM,
182 static struct scoop_config spitz_scoop2_setup = {
183 .io_dir = SPITZ_SCP2_IO_DIR,
184 .io_out = SPITZ_SCP2_IO_OUT,
185 .suspend_clr = SPITZ_SCP2_SUS_CLR,
186 .suspend_set = SPITZ_SCP2_SUS_SET,
187 .gpio_base = SPITZ_SCP2_GPIO_BASE,
190 struct platform_device spitzscoop2_device = {
191 .name = "sharp-scoop",
194 .platform_data = &spitz_scoop2_setup,
196 .num_resources = ARRAY_SIZE(spitz_scoop2_resources),
197 .resource = spitz_scoop2_resources,
200 #define SPITZ_PWR_SD 0x01
201 #define SPITZ_PWR_CF 0x02
203 /* Power control is shared with between one of the CF slots and SD */
204 static void spitz_card_pwr_ctrl(int device, unsigned short new_cpr)
206 unsigned short cpr = read_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR);
208 if (new_cpr & 0x0007) {
209 gpio_set_value(SPITZ_GPIO_CF_POWER, 1);
210 if (!(cpr & 0x0002) && !(cpr & 0x0004))
212 if (device == SPITZ_PWR_CF)
214 if (device == SPITZ_PWR_SD)
216 write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
218 if (device == SPITZ_PWR_CF)
220 if (device == SPITZ_PWR_SD)
222 if (!(cpr & 0x0002) && !(cpr & 0x0004)) {
223 write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, 0x0000);
225 gpio_set_value(SPITZ_GPIO_CF_POWER, 0);
227 write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
232 static void spitz_pcmcia_pwr(struct device *scoop, unsigned short cpr, int nr)
234 /* Only need to override behaviour for slot 0 */
236 spitz_card_pwr_ctrl(SPITZ_PWR_CF, cpr);
238 write_scoop_reg(scoop, SCOOP_CPR, cpr);
241 static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = {
243 .dev = &spitzscoop_device.dev,
244 .irq = SPITZ_IRQ_GPIO_CF_IRQ,
245 .cd_irq = SPITZ_IRQ_GPIO_CF_CD,
246 .cd_irq_str = "PCMCIA0 CD",
248 .dev = &spitzscoop2_device.dev,
249 .irq = SPITZ_IRQ_GPIO_CF2_IRQ,
254 static struct scoop_pcmcia_config spitz_pcmcia_config = {
255 .devs = &spitz_pcmcia_scoop[0],
257 .power_ctrl = spitz_pcmcia_pwr,
260 EXPORT_SYMBOL(spitzscoop_device);
261 EXPORT_SYMBOL(spitzscoop2_device);
264 * Spitz Keyboard Device
266 #define SPITZ_KEY_CALENDAR KEY_F1
267 #define SPITZ_KEY_ADDRESS KEY_F2
268 #define SPITZ_KEY_FN KEY_F3
269 #define SPITZ_KEY_CANCEL KEY_F4
270 #define SPITZ_KEY_EXOK KEY_F5
271 #define SPITZ_KEY_EXCANCEL KEY_F6
272 #define SPITZ_KEY_EXJOGDOWN KEY_F7
273 #define SPITZ_KEY_EXJOGUP KEY_F8
274 #define SPITZ_KEY_JAP1 KEY_LEFTALT
275 #define SPITZ_KEY_JAP2 KEY_RIGHTCTRL
276 #define SPITZ_KEY_SYNC KEY_F9
277 #define SPITZ_KEY_MAIL KEY_F10
278 #define SPITZ_KEY_OK KEY_F11
279 #define SPITZ_KEY_MENU KEY_F12
281 static const uint32_t spitzkbd_keymap[] = {
282 KEY(0, 0, KEY_LEFTCTRL),
290 KEY(0, 8, KEY_BACKSPACE),
291 KEY(0, 9, SPITZ_KEY_EXOK), /* EXOK */
292 KEY(0, 10, SPITZ_KEY_EXCANCEL), /* EXCANCEL */
301 KEY(1, 9, SPITZ_KEY_EXJOGDOWN), /* EXJOGDOWN */
302 KEY(1, 10, SPITZ_KEY_EXJOGUP), /* EXJOGUP */
311 KEY(3, 0, SPITZ_KEY_ADDRESS), /* ADDRESS */
319 KEY(3, 9, KEY_RIGHTSHIFT),
320 KEY(4, 0, SPITZ_KEY_CALENDAR), /* CALENDAR */
327 KEY(4, 8, KEY_ENTER),
328 KEY(4, 9, KEY_LEFTSHIFT),
329 KEY(5, 0, SPITZ_KEY_MAIL), /* MAIL */
332 KEY(5, 3, KEY_MINUS),
333 KEY(5, 4, KEY_SPACE),
334 KEY(5, 5, KEY_COMMA),
336 KEY(5, 10, SPITZ_KEY_FN), /* FN */
337 KEY(6, 0, KEY_SYSRQ),
338 KEY(6, 1, SPITZ_KEY_JAP1), /* JAP1 */
339 KEY(6, 2, SPITZ_KEY_JAP2), /* JAP2 */
340 KEY(6, 3, SPITZ_KEY_CANCEL), /* CANCEL */
341 KEY(6, 4, SPITZ_KEY_OK), /* OK */
342 KEY(6, 5, SPITZ_KEY_MENU), /* MENU */
345 KEY(6, 8, KEY_RIGHT),
348 static const struct matrix_keymap_data spitzkbd_keymap_data = {
349 .keymap = spitzkbd_keymap,
350 .keymap_size = ARRAY_SIZE(spitzkbd_keymap),
353 static const uint32_t spitzkbd_row_gpios[] =
354 { 12, 17, 91, 34, 36, 38, 39 };
355 static const uint32_t spitzkbd_col_gpios[] =
356 { 88, 23, 24, 25, 26, 27, 52, 103, 107, 108, 114 };
358 static struct matrix_keypad_platform_data spitzkbd_pdata = {
359 .keymap_data = &spitzkbd_keymap_data,
360 .row_gpios = spitzkbd_row_gpios,
361 .col_gpios = spitzkbd_col_gpios,
362 .num_row_gpios = ARRAY_SIZE(spitzkbd_row_gpios),
363 .num_col_gpios = ARRAY_SIZE(spitzkbd_col_gpios),
364 .col_scan_delay_us = 10,
369 static struct platform_device spitzkbd_device = {
370 .name = "matrix-keypad",
373 .platform_data = &spitzkbd_pdata,
381 static struct gpio_led spitz_gpio_leds[] = {
383 .name = "spitz:amber:charge",
384 .default_trigger = "sharpsl-charge",
385 .gpio = SPITZ_GPIO_LED_ORANGE,
388 .name = "spitz:green:hddactivity",
389 .default_trigger = "ide-disk",
390 .gpio = SPITZ_GPIO_LED_GREEN,
394 static struct gpio_led_platform_data spitz_gpio_leds_info = {
395 .leds = spitz_gpio_leds,
396 .num_leds = ARRAY_SIZE(spitz_gpio_leds),
399 static struct platform_device spitzled_device = {
403 .platform_data = &spitz_gpio_leds_info,
407 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
408 static struct pxa2xx_spi_master spitz_spi_info = {
412 static void spitz_wait_for_hsync(void)
414 while (gpio_get_value(SPITZ_GPIO_HSYNC))
417 while (!gpio_get_value(SPITZ_GPIO_HSYNC))
421 static struct ads7846_platform_data spitz_ads7846_info = {
423 .vref_delay_usecs = 100,
426 .pressure_max = 1024,
427 .gpio_pendown = SPITZ_GPIO_TP_INT,
428 .wait_for_sync = spitz_wait_for_hsync,
431 static struct pxa2xx_spi_chip spitz_ads7846_chip = {
432 .gpio_cs = SPITZ_GPIO_ADS7846_CS,
435 static void spitz_bl_kick_battery(void)
437 void (*kick_batt)(void);
439 kick_batt = symbol_get(sharpsl_battery_kick);
442 symbol_put(sharpsl_battery_kick);
446 static struct corgi_lcd_platform_data spitz_lcdcon_info = {
447 .init_mode = CORGI_LCD_MODE_VGA,
448 .max_intensity = 0x2f,
449 .default_intensity = 0x1f,
451 .gpio_backlight_cont = SPITZ_GPIO_BACKLIGHT_CONT,
452 .gpio_backlight_on = SPITZ_GPIO_BACKLIGHT_ON,
453 .kick_battery = spitz_bl_kick_battery,
456 static struct pxa2xx_spi_chip spitz_lcdcon_chip = {
457 .gpio_cs = SPITZ_GPIO_LCDCON_CS,
460 static struct pxa2xx_spi_chip spitz_max1111_chip = {
461 .gpio_cs = SPITZ_GPIO_MAX1111_CS,
464 static struct spi_board_info spitz_spi_devices[] = {
466 .modalias = "ads7846",
467 .max_speed_hz = 1200000,
470 .platform_data = &spitz_ads7846_info,
471 .controller_data= &spitz_ads7846_chip,
472 .irq = gpio_to_irq(SPITZ_GPIO_TP_INT),
474 .modalias = "corgi-lcd",
475 .max_speed_hz = 50000,
478 .platform_data = &spitz_lcdcon_info,
479 .controller_data= &spitz_lcdcon_chip,
481 .modalias = "max1111",
482 .max_speed_hz = 450000,
485 .controller_data= &spitz_max1111_chip,
489 static void __init spitz_init_spi(void)
491 if (machine_is_akita()) {
492 spitz_lcdcon_info.gpio_backlight_cont = AKITA_GPIO_BACKLIGHT_CONT;
493 spitz_lcdcon_info.gpio_backlight_on = AKITA_GPIO_BACKLIGHT_ON;
496 pxa2xx_set_spi_info(2, &spitz_spi_info);
497 spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices));
500 static inline void spitz_init_spi(void) {}
506 * The card detect interrupt isn't debounced so we delay it by 250ms
507 * to give the card a chance to fully insert/eject.
509 static void spitz_mci_setpower(struct device *dev, unsigned int vdd)
511 struct pxamci_platform_data* p_d = dev->platform_data;
513 if (( 1 << vdd) & p_d->ocr_mask)
514 spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0004);
516 spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0000);
519 static struct pxamci_platform_data spitz_mci_platform_data = {
520 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
521 .setpower = spitz_mci_setpower,
522 .gpio_card_detect = SPITZ_GPIO_nSD_DETECT,
523 .gpio_card_ro = SPITZ_GPIO_nSD_WP,
531 static int spitz_ohci_init(struct device *dev)
535 err = gpio_request(SPITZ_GPIO_USB_HOST, "USB_HOST");
539 /* Only Port 2 is connected
540 * Setup USB Port 2 Output Control Register
542 UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
544 return gpio_direction_output(SPITZ_GPIO_USB_HOST, 1);
547 static void spitz_ohci_exit(struct device *dev)
549 gpio_free(SPITZ_GPIO_USB_HOST);
552 static struct pxaohci_platform_data spitz_ohci_platform_data = {
553 .port_mode = PMM_NPS_MODE,
554 .init = spitz_ohci_init,
555 .exit = spitz_ohci_exit,
556 .flags = ENABLE_PORT_ALL | NO_OC_PROTECTION,
565 static struct pxaficp_platform_data spitz_ficp_platform_data = {
566 /* .gpio_pwdown is set in spitz_init() and akita_init() accordingly */
567 .transceiver_cap = IR_SIRMODE | IR_OFF,
572 * Spitz PXA Framebuffer
575 static struct pxafb_mode_info spitz_pxafb_modes[] = {
603 static struct pxafb_mach_info spitz_pxafb_info = {
604 .modes = &spitz_pxafb_modes[0],
607 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING,
610 static struct mtd_partition sharpsl_nand_partitions[] = {
612 .name = "System Area",
614 .size = 7 * 1024 * 1024,
617 .name = "Root Filesystem",
618 .offset = 7 * 1024 * 1024,
621 .name = "Home Filesystem",
622 .offset = MTDPART_OFS_APPEND,
623 .size = MTDPART_SIZ_FULL,
627 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
629 static struct nand_bbt_descr sharpsl_bbt = {
633 .pattern = scan_ff_pattern
636 static struct sharpsl_nand_platform_data sharpsl_nand_platform_data = {
637 .badblock_pattern = &sharpsl_bbt,
638 .partitions = sharpsl_nand_partitions,
639 .nr_partitions = ARRAY_SIZE(sharpsl_nand_partitions),
642 static struct resource sharpsl_nand_resources[] = {
646 .flags = IORESOURCE_MEM,
650 static struct platform_device sharpsl_nand_device = {
651 .name = "sharpsl-nand",
653 .resource = sharpsl_nand_resources,
654 .num_resources = ARRAY_SIZE(sharpsl_nand_resources),
655 .dev.platform_data = &sharpsl_nand_platform_data,
659 static struct mtd_partition sharpsl_rom_parts[] = {
661 .name ="Boot PROM Filesystem",
662 .offset = 0x00140000,
663 .size = MTDPART_SIZ_FULL,
667 static struct physmap_flash_data sharpsl_rom_data = {
669 .nr_parts = ARRAY_SIZE(sharpsl_rom_parts),
670 .parts = sharpsl_rom_parts,
673 static struct resource sharpsl_rom_resources[] = {
677 .flags = IORESOURCE_MEM,
681 static struct platform_device sharpsl_rom_device = {
682 .name = "physmap-flash",
684 .resource = sharpsl_rom_resources,
685 .num_resources = ARRAY_SIZE(sharpsl_rom_resources),
686 .dev.platform_data = &sharpsl_rom_data,
689 static struct platform_device *devices[] __initdata = {
693 &sharpsl_nand_device,
697 static void spitz_poweroff(void)
699 arm_machine_restart('g', NULL);
702 static void spitz_restart(char mode, const char *cmd)
704 /* Bootloader magic for a reboot */
705 if((MSC0 & 0xffff0000) == 0x7ff00000)
706 MSC0 = (MSC0 & 0xffff) | 0x7ee00000;
711 static void __init common_init(void)
713 init_gpio_reset(SPITZ_GPIO_ON_RESET, 1, 0);
714 pm_power_off = spitz_poweroff;
715 arm_pm_restart = spitz_restart;
717 if (machine_is_spitz()) {
718 sharpsl_nand_partitions[1].size = 5 * 1024 * 1024;
719 } else if (machine_is_akita()) {
720 sharpsl_nand_partitions[1].size = 58 * 1024 * 1024;
721 } else if (machine_is_borzoi()) {
722 sharpsl_nand_partitions[1].size = 32 * 1024 * 1024;
727 /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
730 pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config));
734 platform_add_devices(devices, ARRAY_SIZE(devices));
735 spitz_mci_platform_data.detect_delay = msecs_to_jiffies(250);
736 pxa_set_mci_info(&spitz_mci_platform_data);
737 pxa_set_ohci_info(&spitz_ohci_platform_data);
738 pxa_set_ficp_info(&spitz_ficp_platform_data);
739 set_pxa_fb_info(&spitz_pxafb_info);
740 pxa_set_i2c_info(NULL);
743 #if defined(CONFIG_MACH_SPITZ) || defined(CONFIG_MACH_BORZOI)
744 static void __init spitz_init(void)
746 spitz_ficp_platform_data.gpio_pwdown = SPITZ_GPIO_IR_ON;
748 platform_scoop_config = &spitz_pcmcia_config;
752 platform_device_register(&spitzscoop2_device);
756 #ifdef CONFIG_MACH_AKITA
760 static struct pca953x_platform_data akita_ioexp = {
761 .gpio_base = AKITA_IOEXP_GPIO_BASE,
764 static struct i2c_board_info akita_i2c_board_info[] = {
768 .platform_data = &akita_ioexp,
772 static struct nand_bbt_descr sharpsl_akita_bbt = {
776 .pattern = scan_ff_pattern
779 static struct nand_ecclayout akita_oobinfo = {
782 0x5, 0x1, 0x2, 0x3, 0x6, 0x7, 0x15, 0x11,
783 0x12, 0x13, 0x16, 0x17, 0x25, 0x21, 0x22, 0x23,
784 0x26, 0x27, 0x35, 0x31, 0x32, 0x33, 0x36, 0x37},
785 .oobfree = {{0x08, 0x09}}
788 static void __init akita_init(void)
790 spitz_ficp_platform_data.gpio_pwdown = AKITA_GPIO_IR_ON;
792 sharpsl_nand_platform_data.badblock_pattern = &sharpsl_akita_bbt;
793 sharpsl_nand_platform_data.ecc_layout = &akita_oobinfo;
795 /* We just pretend the second element of the array doesn't exist */
796 spitz_pcmcia_config.num_devs = 1;
797 platform_scoop_config = &spitz_pcmcia_config;
799 i2c_register_board_info(0, ARRAY_AND_SIZE(akita_i2c_board_info));
805 static void __init fixup_spitz(struct machine_desc *desc,
806 struct tag *tags, char **cmdline, struct meminfo *mi)
808 sharpsl_save_param();
810 mi->bank[0].start = 0xa0000000;
811 mi->bank[0].node = 0;
812 mi->bank[0].size = (64*1024*1024);
815 #ifdef CONFIG_MACH_SPITZ
816 MACHINE_START(SPITZ, "SHARP Spitz")
817 .phys_io = 0x40000000,
818 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
819 .fixup = fixup_spitz,
820 .map_io = pxa_map_io,
821 .init_irq = pxa27x_init_irq,
822 .init_machine = spitz_init,
827 #ifdef CONFIG_MACH_BORZOI
828 MACHINE_START(BORZOI, "SHARP Borzoi")
829 .phys_io = 0x40000000,
830 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
831 .fixup = fixup_spitz,
832 .map_io = pxa_map_io,
833 .init_irq = pxa27x_init_irq,
834 .init_machine = spitz_init,
839 #ifdef CONFIG_MACH_AKITA
840 MACHINE_START(AKITA, "SHARP Akita")
841 .phys_io = 0x40000000,
842 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
843 .fixup = fixup_spitz,
844 .map_io = pxa_map_io,
845 .init_irq = pxa27x_init_irq,
846 .init_machine = akita_init,