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/init.h>
17 #include <linux/platform_device.h>
18 #include <linux/delay.h>
19 #include <linux/major.h>
21 #include <linux/interrupt.h>
22 #include <linux/gpio.h>
23 #include <linux/leds.h>
24 #include <linux/mmc/host.h>
25 #include <linux/mtd/physmap.h>
27 #include <linux/backlight.h>
29 #include <linux/i2c.h>
30 #include <linux/i2c/pca953x.h>
31 #include <linux/spi/spi.h>
32 #include <linux/spi/ads7846.h>
33 #include <linux/spi/corgi_lcd.h>
34 #include <linux/mtd/sharpsl.h>
36 #include <asm/setup.h>
37 #include <asm/memory.h>
38 #include <asm/mach-types.h>
39 #include <mach/hardware.h>
41 #include <asm/system.h>
43 #include <asm/mach/arch.h>
44 #include <asm/mach/map.h>
45 #include <asm/mach/irq.h>
47 #include <mach/pxa-regs.h>
48 #include <mach/pxa2xx-regs.h>
49 #include <mach/mfp-pxa27x.h>
50 #include <mach/pxa27x-udc.h>
51 #include <mach/reset.h>
53 #include <mach/irda.h>
55 #include <mach/ohci.h>
57 #include <mach/pxafb.h>
58 #include <mach/pxa2xx_spi.h>
59 #include <mach/spitz.h>
60 #include <mach/sharpsl.h>
62 #include <asm/mach/sharpsl_param.h>
63 #include <asm/hardware/scoop.h>
69 static unsigned long spitz_pin_config
[] __initdata
= {
71 GPIO78_nCS_2
, /* SCOOP #2 */
72 GPIO79_nCS_3
, /* NAND */
73 GPIO80_nCS_4
, /* SCOOP #1 */
75 /* LCD - 16bpp Active TFT */
117 GPIO9_GPIO
, /* SPITZ_GPIO_nSD_DETECT */
118 GPIO81_GPIO
, /* SPITZ_GPIO_nSD_WP */
119 GPIO41_GPIO
, /* SPITZ_GPIO_USB_CONNECT */
120 GPIO37_GPIO
, /* SPITZ_GPIO_USB_HOST */
121 GPIO35_GPIO
, /* SPITZ_GPIO_USB_DEVICE */
122 GPIO22_GPIO
, /* SPITZ_GPIO_HSYNC */
123 GPIO94_GPIO
, /* SPITZ_GPIO_CF_CD */
124 GPIO105_GPIO
, /* SPITZ_GPIO_CF_IRQ */
125 GPIO106_GPIO
, /* SPITZ_GPIO_CF2_IRQ */
131 GPIO1_GPIO
| WAKEUP_ON_EDGE_RISE
,
135 * Spitz SCOOP Device #1
137 static struct resource spitz_scoop_resources
[] = {
141 .flags
= IORESOURCE_MEM
,
145 static struct scoop_config spitz_scoop_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
,
153 struct platform_device spitzscoop_device
= {
154 .name
= "sharp-scoop",
157 .platform_data
= &spitz_scoop_setup
,
159 .num_resources
= ARRAY_SIZE(spitz_scoop_resources
),
160 .resource
= spitz_scoop_resources
,
164 * Spitz SCOOP Device #2
166 static struct resource spitz_scoop2_resources
[] = {
170 .flags
= IORESOURCE_MEM
,
174 static struct scoop_config spitz_scoop2_setup
= {
175 .io_dir
= SPITZ_SCP2_IO_DIR
,
176 .io_out
= SPITZ_SCP2_IO_OUT
,
177 .suspend_clr
= SPITZ_SCP2_SUS_CLR
,
178 .suspend_set
= SPITZ_SCP2_SUS_SET
,
179 .gpio_base
= SPITZ_SCP2_GPIO_BASE
,
182 struct platform_device spitzscoop2_device
= {
183 .name
= "sharp-scoop",
186 .platform_data
= &spitz_scoop2_setup
,
188 .num_resources
= ARRAY_SIZE(spitz_scoop2_resources
),
189 .resource
= spitz_scoop2_resources
,
192 #define SPITZ_PWR_SD 0x01
193 #define SPITZ_PWR_CF 0x02
195 /* Power control is shared with between one of the CF slots and SD */
196 static void spitz_card_pwr_ctrl(int device
, unsigned short new_cpr
)
198 unsigned short cpr
= read_scoop_reg(&spitzscoop_device
.dev
, SCOOP_CPR
);
200 if (new_cpr
& 0x0007) {
201 gpio_set_value(SPITZ_GPIO_CF_POWER
, 1);
202 if (!(cpr
& 0x0002) && !(cpr
& 0x0004))
204 if (device
== SPITZ_PWR_CF
)
206 if (device
== SPITZ_PWR_SD
)
208 write_scoop_reg(&spitzscoop_device
.dev
, SCOOP_CPR
, cpr
| new_cpr
);
210 if (device
== SPITZ_PWR_CF
)
212 if (device
== SPITZ_PWR_SD
)
214 if (!(cpr
& 0x0002) && !(cpr
& 0x0004)) {
215 write_scoop_reg(&spitzscoop_device
.dev
, SCOOP_CPR
, 0x0000);
217 gpio_set_value(SPITZ_GPIO_CF_POWER
, 0);
219 write_scoop_reg(&spitzscoop_device
.dev
, SCOOP_CPR
, cpr
| new_cpr
);
224 static void spitz_pcmcia_pwr(struct device
*scoop
, unsigned short cpr
, int nr
)
226 /* Only need to override behaviour for slot 0 */
228 spitz_card_pwr_ctrl(SPITZ_PWR_CF
, cpr
);
230 write_scoop_reg(scoop
, SCOOP_CPR
, cpr
);
233 static struct scoop_pcmcia_dev spitz_pcmcia_scoop
[] = {
235 .dev
= &spitzscoop_device
.dev
,
236 .irq
= SPITZ_IRQ_GPIO_CF_IRQ
,
237 .cd_irq
= SPITZ_IRQ_GPIO_CF_CD
,
238 .cd_irq_str
= "PCMCIA0 CD",
240 .dev
= &spitzscoop2_device
.dev
,
241 .irq
= SPITZ_IRQ_GPIO_CF2_IRQ
,
246 static struct scoop_pcmcia_config spitz_pcmcia_config
= {
247 .devs
= &spitz_pcmcia_scoop
[0],
249 .power_ctrl
= spitz_pcmcia_pwr
,
252 EXPORT_SYMBOL(spitzscoop_device
);
253 EXPORT_SYMBOL(spitzscoop2_device
);
256 * Spitz Keyboard Device
258 static struct platform_device spitzkbd_device
= {
259 .name
= "spitz-keyboard",
267 static struct gpio_led spitz_gpio_leds
[] = {
269 .name
= "spitz:amber:charge",
270 .default_trigger
= "sharpsl-charge",
271 .gpio
= SPITZ_GPIO_LED_ORANGE
,
274 .name
= "spitz:green:hddactivity",
275 .default_trigger
= "ide-disk",
276 .gpio
= SPITZ_GPIO_LED_GREEN
,
280 static struct gpio_led_platform_data spitz_gpio_leds_info
= {
281 .leds
= spitz_gpio_leds
,
282 .num_leds
= ARRAY_SIZE(spitz_gpio_leds
),
285 static struct platform_device spitzled_device
= {
289 .platform_data
= &spitz_gpio_leds_info
,
293 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
294 static struct pxa2xx_spi_master spitz_spi_info
= {
298 static struct ads7846_platform_data spitz_ads7846_info
= {
300 .vref_delay_usecs
= 100,
303 .gpio_pendown
= SPITZ_GPIO_TP_INT
,
306 static void spitz_ads7846_cs(u32 command
)
308 gpio_set_value(SPITZ_GPIO_ADS7846_CS
, !(command
== PXA2XX_CS_ASSERT
));
311 static struct pxa2xx_spi_chip spitz_ads7846_chip
= {
312 .cs_control
= spitz_ads7846_cs
,
315 static void spitz_bl_kick_battery(void)
317 void (*kick_batt
)(void);
319 kick_batt
= symbol_get(sharpsl_battery_kick
);
322 symbol_put(sharpsl_battery_kick
);
326 static struct corgi_lcd_platform_data spitz_lcdcon_info
= {
327 .init_mode
= CORGI_LCD_MODE_VGA
,
328 .max_intensity
= 0x2f,
329 .default_intensity
= 0x1f,
331 .gpio_backlight_cont
= SPITZ_GPIO_BACKLIGHT_CONT
,
332 .gpio_backlight_on
= SPITZ_GPIO_BACKLIGHT_ON
,
333 .kick_battery
= spitz_bl_kick_battery
,
336 static void spitz_lcdcon_cs(u32 command
)
338 gpio_set_value(SPITZ_GPIO_LCDCON_CS
, !(command
== PXA2XX_CS_ASSERT
));
341 static struct pxa2xx_spi_chip spitz_lcdcon_chip
= {
342 .cs_control
= spitz_lcdcon_cs
,
345 static void spitz_max1111_cs(u32 command
)
347 gpio_set_value(SPITZ_GPIO_MAX1111_CS
, !(command
== PXA2XX_CS_ASSERT
));
350 static struct pxa2xx_spi_chip spitz_max1111_chip
= {
351 .cs_control
= spitz_max1111_cs
,
354 static struct spi_board_info spitz_spi_devices
[] = {
356 .modalias
= "ads7846",
357 .max_speed_hz
= 1200000,
360 .platform_data
= &spitz_ads7846_info
,
361 .controller_data
= &spitz_ads7846_chip
,
362 .irq
= gpio_to_irq(SPITZ_GPIO_TP_INT
),
364 .modalias
= "corgi-lcd",
365 .max_speed_hz
= 50000,
368 .platform_data
= &spitz_lcdcon_info
,
369 .controller_data
= &spitz_lcdcon_chip
,
371 .modalias
= "max1111",
372 .max_speed_hz
= 450000,
375 .controller_data
= &spitz_max1111_chip
,
379 static void __init
spitz_init_spi(void)
383 err
= gpio_request(SPITZ_GPIO_ADS7846_CS
, "ADS7846_CS");
387 err
= gpio_request(SPITZ_GPIO_LCDCON_CS
, "LCDCON_CS");
391 err
= gpio_request(SPITZ_GPIO_MAX1111_CS
, "MAX1111_CS");
395 err
= gpio_direction_output(SPITZ_GPIO_ADS7846_CS
, 1);
398 err
= gpio_direction_output(SPITZ_GPIO_LCDCON_CS
, 1);
401 err
= gpio_direction_output(SPITZ_GPIO_MAX1111_CS
, 1);
405 if (machine_is_akita()) {
406 spitz_lcdcon_info
.gpio_backlight_cont
= AKITA_GPIO_BACKLIGHT_CONT
;
407 spitz_lcdcon_info
.gpio_backlight_on
= AKITA_GPIO_BACKLIGHT_ON
;
410 pxa2xx_set_spi_info(2, &spitz_spi_info
);
411 spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices
));
415 gpio_free(SPITZ_GPIO_MAX1111_CS
);
417 gpio_free(SPITZ_GPIO_LCDCON_CS
);
419 gpio_free(SPITZ_GPIO_ADS7846_CS
);
422 static inline void spitz_init_spi(void) {}
428 * The card detect interrupt isn't debounced so we delay it by 250ms
429 * to give the card a chance to fully insert/eject.
432 static struct pxamci_platform_data spitz_mci_platform_data
;
434 static int spitz_mci_init(struct device
*dev
, irq_handler_t spitz_detect_int
, void *data
)
438 err
= gpio_request(SPITZ_GPIO_nSD_DETECT
, "nSD_DETECT");
442 err
= gpio_request(SPITZ_GPIO_nSD_WP
, "nSD_WP");
446 gpio_direction_input(SPITZ_GPIO_nSD_DETECT
);
447 gpio_direction_input(SPITZ_GPIO_nSD_WP
);
449 spitz_mci_platform_data
.detect_delay
= msecs_to_jiffies(250);
451 err
= request_irq(SPITZ_IRQ_GPIO_nSD_DETECT
, spitz_detect_int
,
452 IRQF_DISABLED
| IRQF_TRIGGER_RISING
|
453 IRQF_TRIGGER_FALLING
,
454 "MMC card detect", data
);
456 pr_err("%s: MMC/SD: can't request MMC card detect IRQ\n",
463 gpio_free(SPITZ_GPIO_nSD_WP
);
465 gpio_free(SPITZ_GPIO_nSD_DETECT
);
470 static void spitz_mci_setpower(struct device
*dev
, unsigned int vdd
)
472 struct pxamci_platform_data
* p_d
= dev
->platform_data
;
474 if (( 1 << vdd
) & p_d
->ocr_mask
)
475 spitz_card_pwr_ctrl(SPITZ_PWR_SD
, 0x0004);
477 spitz_card_pwr_ctrl(SPITZ_PWR_SD
, 0x0000);
480 static int spitz_mci_get_ro(struct device
*dev
)
482 return gpio_get_value(SPITZ_GPIO_nSD_WP
);
485 static void spitz_mci_exit(struct device
*dev
, void *data
)
487 free_irq(SPITZ_IRQ_GPIO_nSD_DETECT
, data
);
488 gpio_free(SPITZ_GPIO_nSD_WP
);
489 gpio_free(SPITZ_GPIO_nSD_DETECT
);
492 static struct pxamci_platform_data spitz_mci_platform_data
= {
493 .ocr_mask
= MMC_VDD_32_33
|MMC_VDD_33_34
,
494 .init
= spitz_mci_init
,
495 .get_ro
= spitz_mci_get_ro
,
496 .setpower
= spitz_mci_setpower
,
497 .exit
= spitz_mci_exit
,
504 static int spitz_ohci_init(struct device
*dev
)
508 err
= gpio_request(SPITZ_GPIO_USB_HOST
, "USB_HOST");
512 /* Only Port 2 is connected
513 * Setup USB Port 2 Output Control Register
515 UP2OCR
= UP2OCR_HXS
| UP2OCR_HXOE
| UP2OCR_DPPDE
| UP2OCR_DMPDE
;
517 return gpio_direction_output(SPITZ_GPIO_USB_HOST
, 1);
520 static struct pxaohci_platform_data spitz_ohci_platform_data
= {
521 .port_mode
= PMM_NPS_MODE
,
522 .init
= spitz_ohci_init
,
523 .flags
= ENABLE_PORT_ALL
| NO_OC_PROTECTION
,
531 static int spitz_irda_startup(struct device
*dev
)
535 rc
= gpio_request(SPITZ_GPIO_IR_ON
, "IrDA on");
539 rc
= gpio_direction_output(SPITZ_GPIO_IR_ON
, 1);
546 gpio_free(SPITZ_GPIO_IR_ON
);
551 static void spitz_irda_shutdown(struct device
*dev
)
553 gpio_free(SPITZ_GPIO_IR_ON
);
556 static void spitz_irda_transceiver_mode(struct device
*dev
, int mode
)
558 gpio_set_value(SPITZ_GPIO_IR_ON
, mode
& IR_OFF
);
559 pxa2xx_transceiver_mode(dev
, mode
);
562 #ifdef CONFIG_MACH_AKITA
563 static void akita_irda_transceiver_mode(struct device
*dev
, int mode
)
565 gpio_set_value(AKITA_GPIO_IR_ON
, mode
& IR_OFF
);
566 pxa2xx_transceiver_mode(dev
, mode
);
570 static struct pxaficp_platform_data spitz_ficp_platform_data
= {
571 .transceiver_cap
= IR_SIRMODE
| IR_OFF
,
572 .transceiver_mode
= spitz_irda_transceiver_mode
,
573 .startup
= spitz_irda_startup
,
574 .shutdown
= spitz_irda_shutdown
,
579 * Spitz PXA Framebuffer
582 static struct pxafb_mode_info spitz_pxafb_modes
[] = {
610 static struct pxafb_mach_info spitz_pxafb_info
= {
611 .modes
= &spitz_pxafb_modes
[0],
614 .lcd_conn
= LCD_COLOR_TFT_16BPP
| LCD_ALTERNATE_MAPPING
,
617 static struct mtd_partition sharpsl_nand_partitions
[] = {
619 .name
= "System Area",
621 .size
= 7 * 1024 * 1024,
624 .name
= "Root Filesystem",
625 .offset
= 7 * 1024 * 1024,
628 .name
= "Home Filesystem",
629 .offset
= MTDPART_OFS_APPEND
,
630 .size
= MTDPART_SIZ_FULL
,
634 static uint8_t scan_ff_pattern
[] = { 0xff, 0xff };
636 static struct nand_bbt_descr sharpsl_bbt
= {
640 .pattern
= scan_ff_pattern
643 static struct sharpsl_nand_platform_data sharpsl_nand_platform_data
= {
644 .badblock_pattern
= &sharpsl_bbt
,
645 .partitions
= sharpsl_nand_partitions
,
646 .nr_partitions
= ARRAY_SIZE(sharpsl_nand_partitions
),
649 static struct resource sharpsl_nand_resources
[] = {
653 .flags
= IORESOURCE_MEM
,
657 static struct platform_device sharpsl_nand_device
= {
658 .name
= "sharpsl-nand",
660 .resource
= sharpsl_nand_resources
,
661 .num_resources
= ARRAY_SIZE(sharpsl_nand_resources
),
662 .dev
.platform_data
= &sharpsl_nand_platform_data
,
666 static struct mtd_partition sharpsl_rom_parts
[] = {
668 .name
="Boot PROM Filesystem",
669 .offset
= 0x00140000,
670 .size
= MTDPART_SIZ_FULL
,
674 static struct physmap_flash_data sharpsl_rom_data
= {
676 .nr_parts
= ARRAY_SIZE(sharpsl_rom_parts
),
677 .parts
= sharpsl_rom_parts
,
680 static struct resource sharpsl_rom_resources
[] = {
684 .flags
= IORESOURCE_MEM
,
688 static struct platform_device sharpsl_rom_device
= {
689 .name
= "physmap-flash",
691 .resource
= sharpsl_rom_resources
,
692 .num_resources
= ARRAY_SIZE(sharpsl_rom_resources
),
693 .dev
.platform_data
= &sharpsl_rom_data
,
696 static struct platform_device
*devices
[] __initdata
= {
700 &sharpsl_nand_device
,
704 static void spitz_poweroff(void)
706 arm_machine_restart('g');
709 static void spitz_restart(char mode
)
711 /* Bootloader magic for a reboot */
712 if((MSC0
& 0xffff0000) == 0x7ff00000)
713 MSC0
= (MSC0
& 0xffff) | 0x7ee00000;
718 static void __init
common_init(void)
720 init_gpio_reset(SPITZ_GPIO_ON_RESET
, 1);
721 pm_power_off
= spitz_poweroff
;
722 arm_pm_restart
= spitz_restart
;
724 if (machine_is_spitz()) {
725 sharpsl_nand_partitions
[1].size
= 5 * 1024 * 1024;
726 } else if (machine_is_akita()) {
727 sharpsl_nand_partitions
[1].size
= 58 * 1024 * 1024;
728 } else if (machine_is_borzoi()) {
729 sharpsl_nand_partitions
[1].size
= 32 * 1024 * 1024;
734 /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
737 pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config
));
741 platform_add_devices(devices
, ARRAY_SIZE(devices
));
742 pxa_set_mci_info(&spitz_mci_platform_data
);
743 pxa_set_ohci_info(&spitz_ohci_platform_data
);
744 pxa_set_ficp_info(&spitz_ficp_platform_data
);
745 set_pxa_fb_info(&spitz_pxafb_info
);
746 pxa_set_i2c_info(NULL
);
749 #if defined(CONFIG_MACH_SPITZ) || defined(CONFIG_MACH_BORZOI)
750 static void __init
spitz_init(void)
752 platform_scoop_config
= &spitz_pcmcia_config
;
756 platform_device_register(&spitzscoop2_device
);
760 #ifdef CONFIG_MACH_AKITA
764 static struct pca953x_platform_data akita_ioexp
= {
765 .gpio_base
= AKITA_IOEXP_GPIO_BASE
,
768 static struct i2c_board_info akita_i2c_board_info
[] = {
772 .platform_data
= &akita_ioexp
,
776 static struct nand_bbt_descr sharpsl_akita_bbt
= {
780 .pattern
= scan_ff_pattern
783 static struct nand_ecclayout akita_oobinfo
= {
786 0x5, 0x1, 0x2, 0x3, 0x6, 0x7, 0x15, 0x11,
787 0x12, 0x13, 0x16, 0x17, 0x25, 0x21, 0x22, 0x23,
788 0x26, 0x27, 0x35, 0x31, 0x32, 0x33, 0x36, 0x37},
789 .oobfree
= {{0x08, 0x09}}
792 static void __init
akita_init(void)
794 spitz_ficp_platform_data
.transceiver_mode
= akita_irda_transceiver_mode
;
796 sharpsl_nand_platform_data
.badblock_pattern
= &sharpsl_akita_bbt
;
797 sharpsl_nand_platform_data
.ecc_layout
= &akita_oobinfo
;
799 /* We just pretend the second element of the array doesn't exist */
800 spitz_pcmcia_config
.num_devs
= 1;
801 platform_scoop_config
= &spitz_pcmcia_config
;
803 i2c_register_board_info(0, ARRAY_AND_SIZE(akita_i2c_board_info
));
809 static void __init
fixup_spitz(struct machine_desc
*desc
,
810 struct tag
*tags
, char **cmdline
, struct meminfo
*mi
)
812 sharpsl_save_param();
814 mi
->bank
[0].start
= 0xa0000000;
815 mi
->bank
[0].node
= 0;
816 mi
->bank
[0].size
= (64*1024*1024);
819 #ifdef CONFIG_MACH_SPITZ
820 MACHINE_START(SPITZ
, "SHARP Spitz")
821 .phys_io
= 0x40000000,
822 .io_pg_offst
= (io_p2v(0x40000000) >> 18) & 0xfffc,
823 .fixup
= fixup_spitz
,
824 .map_io
= pxa_map_io
,
825 .init_irq
= pxa27x_init_irq
,
826 .init_machine
= spitz_init
,
831 #ifdef CONFIG_MACH_BORZOI
832 MACHINE_START(BORZOI
, "SHARP Borzoi")
833 .phys_io
= 0x40000000,
834 .io_pg_offst
= (io_p2v(0x40000000) >> 18) & 0xfffc,
835 .fixup
= fixup_spitz
,
836 .map_io
= pxa_map_io
,
837 .init_irq
= pxa27x_init_irq
,
838 .init_machine
= spitz_init
,
843 #ifdef CONFIG_MACH_AKITA
844 MACHINE_START(AKITA
, "SHARP Akita")
845 .phys_io
= 0x40000000,
846 .io_pg_offst
= (io_p2v(0x40000000) >> 18) & 0xfffc,
847 .fixup
= fixup_spitz
,
848 .map_io
= pxa_map_io
,
849 .init_irq
= pxa27x_init_irq
,
850 .init_machine
= akita_init
,