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>
28 #include <asm/setup.h>
29 #include <asm/mach-types.h>
30 #include <asm/mach/arch.h>
31 #include <asm/mach/sharpsl_param.h>
32 #include <asm/hardware/scoop.h>
35 #include <mach/pxa27x.h>
36 #include <mach/pxa27x-udc.h>
37 #include <mach/reset.h>
39 #include <mach/irda.h>
41 #include <mach/ohci.h>
42 #include <mach/pxafb.h>
43 #include <mach/pxa2xx_spi.h>
44 #include <mach/spitz.h>
50 static unsigned long spitz_pin_config
[] __initdata
= {
52 GPIO78_nCS_2
, /* SCOOP #2 */
53 GPIO79_nCS_3
, /* NAND */
54 GPIO80_nCS_4
, /* SCOOP #1 */
56 /* LCD - 16bpp Active TFT */
90 GPIO28_I2S_BITCLK_OUT
,
104 GPIO9_GPIO
, /* SPITZ_GPIO_nSD_DETECT */
105 GPIO81_GPIO
, /* SPITZ_GPIO_nSD_WP */
106 GPIO41_GPIO
, /* SPITZ_GPIO_USB_CONNECT */
107 GPIO37_GPIO
, /* SPITZ_GPIO_USB_HOST */
108 GPIO35_GPIO
, /* SPITZ_GPIO_USB_DEVICE */
109 GPIO22_GPIO
, /* SPITZ_GPIO_HSYNC */
110 GPIO94_GPIO
, /* SPITZ_GPIO_CF_CD */
111 GPIO105_GPIO
, /* SPITZ_GPIO_CF_IRQ */
112 GPIO106_GPIO
, /* SPITZ_GPIO_CF2_IRQ */
118 GPIO1_GPIO
| WAKEUP_ON_EDGE_RISE
,
122 * Spitz SCOOP Device #1
124 static struct resource spitz_scoop_resources
[] = {
128 .flags
= IORESOURCE_MEM
,
132 static struct scoop_config spitz_scoop_setup
= {
133 .io_dir
= SPITZ_SCP_IO_DIR
,
134 .io_out
= SPITZ_SCP_IO_OUT
,
135 .suspend_clr
= SPITZ_SCP_SUS_CLR
,
136 .suspend_set
= SPITZ_SCP_SUS_SET
,
137 .gpio_base
= SPITZ_SCP_GPIO_BASE
,
140 struct platform_device spitzscoop_device
= {
141 .name
= "sharp-scoop",
144 .platform_data
= &spitz_scoop_setup
,
146 .num_resources
= ARRAY_SIZE(spitz_scoop_resources
),
147 .resource
= spitz_scoop_resources
,
151 * Spitz SCOOP Device #2
153 static struct resource spitz_scoop2_resources
[] = {
157 .flags
= IORESOURCE_MEM
,
161 static struct scoop_config spitz_scoop2_setup
= {
162 .io_dir
= SPITZ_SCP2_IO_DIR
,
163 .io_out
= SPITZ_SCP2_IO_OUT
,
164 .suspend_clr
= SPITZ_SCP2_SUS_CLR
,
165 .suspend_set
= SPITZ_SCP2_SUS_SET
,
166 .gpio_base
= SPITZ_SCP2_GPIO_BASE
,
169 struct platform_device spitzscoop2_device
= {
170 .name
= "sharp-scoop",
173 .platform_data
= &spitz_scoop2_setup
,
175 .num_resources
= ARRAY_SIZE(spitz_scoop2_resources
),
176 .resource
= spitz_scoop2_resources
,
179 #define SPITZ_PWR_SD 0x01
180 #define SPITZ_PWR_CF 0x02
182 /* Power control is shared with between one of the CF slots and SD */
183 static void spitz_card_pwr_ctrl(int device
, unsigned short new_cpr
)
185 unsigned short cpr
= read_scoop_reg(&spitzscoop_device
.dev
, SCOOP_CPR
);
187 if (new_cpr
& 0x0007) {
188 gpio_set_value(SPITZ_GPIO_CF_POWER
, 1);
189 if (!(cpr
& 0x0002) && !(cpr
& 0x0004))
191 if (device
== SPITZ_PWR_CF
)
193 if (device
== SPITZ_PWR_SD
)
195 write_scoop_reg(&spitzscoop_device
.dev
, SCOOP_CPR
, cpr
| new_cpr
);
197 if (device
== SPITZ_PWR_CF
)
199 if (device
== SPITZ_PWR_SD
)
201 if (!(cpr
& 0x0002) && !(cpr
& 0x0004)) {
202 write_scoop_reg(&spitzscoop_device
.dev
, SCOOP_CPR
, 0x0000);
204 gpio_set_value(SPITZ_GPIO_CF_POWER
, 0);
206 write_scoop_reg(&spitzscoop_device
.dev
, SCOOP_CPR
, cpr
| new_cpr
);
211 static void spitz_pcmcia_pwr(struct device
*scoop
, unsigned short cpr
, int nr
)
213 /* Only need to override behaviour for slot 0 */
215 spitz_card_pwr_ctrl(SPITZ_PWR_CF
, cpr
);
217 write_scoop_reg(scoop
, SCOOP_CPR
, cpr
);
220 static struct scoop_pcmcia_dev spitz_pcmcia_scoop
[] = {
222 .dev
= &spitzscoop_device
.dev
,
223 .irq
= SPITZ_IRQ_GPIO_CF_IRQ
,
224 .cd_irq
= SPITZ_IRQ_GPIO_CF_CD
,
225 .cd_irq_str
= "PCMCIA0 CD",
227 .dev
= &spitzscoop2_device
.dev
,
228 .irq
= SPITZ_IRQ_GPIO_CF2_IRQ
,
233 static struct scoop_pcmcia_config spitz_pcmcia_config
= {
234 .devs
= &spitz_pcmcia_scoop
[0],
236 .power_ctrl
= spitz_pcmcia_pwr
,
239 EXPORT_SYMBOL(spitzscoop_device
);
240 EXPORT_SYMBOL(spitzscoop2_device
);
243 * Spitz Keyboard Device
245 static struct platform_device spitzkbd_device
= {
246 .name
= "spitz-keyboard",
254 static struct gpio_led spitz_gpio_leds
[] = {
256 .name
= "spitz:amber:charge",
257 .default_trigger
= "sharpsl-charge",
258 .gpio
= SPITZ_GPIO_LED_ORANGE
,
261 .name
= "spitz:green:hddactivity",
262 .default_trigger
= "ide-disk",
263 .gpio
= SPITZ_GPIO_LED_GREEN
,
267 static struct gpio_led_platform_data spitz_gpio_leds_info
= {
268 .leds
= spitz_gpio_leds
,
269 .num_leds
= ARRAY_SIZE(spitz_gpio_leds
),
272 static struct platform_device spitzled_device
= {
276 .platform_data
= &spitz_gpio_leds_info
,
280 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
281 static struct pxa2xx_spi_master spitz_spi_info
= {
285 static void spitz_wait_for_hsync(void)
287 while (gpio_get_value(SPITZ_GPIO_HSYNC
))
290 while (!gpio_get_value(SPITZ_GPIO_HSYNC
))
294 static struct ads7846_platform_data spitz_ads7846_info
= {
296 .vref_delay_usecs
= 100,
299 .gpio_pendown
= SPITZ_GPIO_TP_INT
,
300 .wait_for_sync
= spitz_wait_for_hsync
,
303 static struct pxa2xx_spi_chip spitz_ads7846_chip
= {
304 .gpio_cs
= SPITZ_GPIO_ADS7846_CS
,
307 static void spitz_bl_kick_battery(void)
309 void (*kick_batt
)(void);
311 kick_batt
= symbol_get(sharpsl_battery_kick
);
314 symbol_put(sharpsl_battery_kick
);
318 static struct corgi_lcd_platform_data spitz_lcdcon_info
= {
319 .init_mode
= CORGI_LCD_MODE_VGA
,
320 .max_intensity
= 0x2f,
321 .default_intensity
= 0x1f,
323 .gpio_backlight_cont
= SPITZ_GPIO_BACKLIGHT_CONT
,
324 .gpio_backlight_on
= SPITZ_GPIO_BACKLIGHT_ON
,
325 .kick_battery
= spitz_bl_kick_battery
,
328 static struct pxa2xx_spi_chip spitz_lcdcon_chip
= {
329 .gpio_cs
= SPITZ_GPIO_LCDCON_CS
,
332 static struct pxa2xx_spi_chip spitz_max1111_chip
= {
333 .gpio_cs
= SPITZ_GPIO_MAX1111_CS
,
336 static struct spi_board_info spitz_spi_devices
[] = {
338 .modalias
= "ads7846",
339 .max_speed_hz
= 1200000,
342 .platform_data
= &spitz_ads7846_info
,
343 .controller_data
= &spitz_ads7846_chip
,
344 .irq
= gpio_to_irq(SPITZ_GPIO_TP_INT
),
346 .modalias
= "corgi-lcd",
347 .max_speed_hz
= 50000,
350 .platform_data
= &spitz_lcdcon_info
,
351 .controller_data
= &spitz_lcdcon_chip
,
353 .modalias
= "max1111",
354 .max_speed_hz
= 450000,
357 .controller_data
= &spitz_max1111_chip
,
361 static void __init
spitz_init_spi(void)
363 if (machine_is_akita()) {
364 spitz_lcdcon_info
.gpio_backlight_cont
= AKITA_GPIO_BACKLIGHT_CONT
;
365 spitz_lcdcon_info
.gpio_backlight_on
= AKITA_GPIO_BACKLIGHT_ON
;
368 pxa2xx_set_spi_info(2, &spitz_spi_info
);
369 spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices
));
372 static inline void spitz_init_spi(void) {}
378 * The card detect interrupt isn't debounced so we delay it by 250ms
379 * to give the card a chance to fully insert/eject.
382 static struct pxamci_platform_data spitz_mci_platform_data
;
384 static int spitz_mci_init(struct device
*dev
, irq_handler_t spitz_detect_int
, void *data
)
388 err
= gpio_request(SPITZ_GPIO_nSD_DETECT
, "nSD_DETECT");
392 err
= gpio_request(SPITZ_GPIO_nSD_WP
, "nSD_WP");
396 gpio_direction_input(SPITZ_GPIO_nSD_DETECT
);
397 gpio_direction_input(SPITZ_GPIO_nSD_WP
);
399 spitz_mci_platform_data
.detect_delay
= msecs_to_jiffies(250);
401 err
= request_irq(SPITZ_IRQ_GPIO_nSD_DETECT
, spitz_detect_int
,
402 IRQF_DISABLED
| IRQF_TRIGGER_RISING
|
403 IRQF_TRIGGER_FALLING
,
404 "MMC card detect", data
);
406 pr_err("%s: MMC/SD: can't request MMC card detect IRQ\n",
413 gpio_free(SPITZ_GPIO_nSD_WP
);
415 gpio_free(SPITZ_GPIO_nSD_DETECT
);
420 static void spitz_mci_setpower(struct device
*dev
, unsigned int vdd
)
422 struct pxamci_platform_data
* p_d
= dev
->platform_data
;
424 if (( 1 << vdd
) & p_d
->ocr_mask
)
425 spitz_card_pwr_ctrl(SPITZ_PWR_SD
, 0x0004);
427 spitz_card_pwr_ctrl(SPITZ_PWR_SD
, 0x0000);
430 static int spitz_mci_get_ro(struct device
*dev
)
432 return gpio_get_value(SPITZ_GPIO_nSD_WP
);
435 static void spitz_mci_exit(struct device
*dev
, void *data
)
437 free_irq(SPITZ_IRQ_GPIO_nSD_DETECT
, data
);
438 gpio_free(SPITZ_GPIO_nSD_WP
);
439 gpio_free(SPITZ_GPIO_nSD_DETECT
);
442 static struct pxamci_platform_data spitz_mci_platform_data
= {
443 .ocr_mask
= MMC_VDD_32_33
|MMC_VDD_33_34
,
444 .init
= spitz_mci_init
,
445 .get_ro
= spitz_mci_get_ro
,
446 .setpower
= spitz_mci_setpower
,
447 .exit
= spitz_mci_exit
,
454 static int spitz_ohci_init(struct device
*dev
)
458 err
= gpio_request(SPITZ_GPIO_USB_HOST
, "USB_HOST");
462 /* Only Port 2 is connected
463 * Setup USB Port 2 Output Control Register
465 UP2OCR
= UP2OCR_HXS
| UP2OCR_HXOE
| UP2OCR_DPPDE
| UP2OCR_DMPDE
;
467 return gpio_direction_output(SPITZ_GPIO_USB_HOST
, 1);
470 static void spitz_ohci_exit(struct device
*dev
)
472 gpio_free(SPITZ_GPIO_USB_HOST
);
475 static struct pxaohci_platform_data spitz_ohci_platform_data
= {
476 .port_mode
= PMM_NPS_MODE
,
477 .init
= spitz_ohci_init
,
478 .exit
= spitz_ohci_exit
,
479 .flags
= ENABLE_PORT_ALL
| NO_OC_PROTECTION
,
487 static int spitz_irda_startup(struct device
*dev
)
491 rc
= gpio_request(SPITZ_GPIO_IR_ON
, "IrDA on");
495 rc
= gpio_direction_output(SPITZ_GPIO_IR_ON
, 1);
502 gpio_free(SPITZ_GPIO_IR_ON
);
507 static void spitz_irda_shutdown(struct device
*dev
)
509 gpio_free(SPITZ_GPIO_IR_ON
);
512 static void spitz_irda_transceiver_mode(struct device
*dev
, int mode
)
514 gpio_set_value(SPITZ_GPIO_IR_ON
, mode
& IR_OFF
);
515 pxa2xx_transceiver_mode(dev
, mode
);
518 #ifdef CONFIG_MACH_AKITA
519 static void akita_irda_transceiver_mode(struct device
*dev
, int mode
)
521 gpio_set_value(AKITA_GPIO_IR_ON
, mode
& IR_OFF
);
522 pxa2xx_transceiver_mode(dev
, mode
);
526 static struct pxaficp_platform_data spitz_ficp_platform_data
= {
527 .transceiver_cap
= IR_SIRMODE
| IR_OFF
,
528 .transceiver_mode
= spitz_irda_transceiver_mode
,
529 .startup
= spitz_irda_startup
,
530 .shutdown
= spitz_irda_shutdown
,
535 * Spitz PXA Framebuffer
538 static struct pxafb_mode_info spitz_pxafb_modes
[] = {
566 static struct pxafb_mach_info spitz_pxafb_info
= {
567 .modes
= &spitz_pxafb_modes
[0],
570 .lcd_conn
= LCD_COLOR_TFT_16BPP
| LCD_ALTERNATE_MAPPING
,
573 static struct mtd_partition sharpsl_nand_partitions
[] = {
575 .name
= "System Area",
577 .size
= 7 * 1024 * 1024,
580 .name
= "Root Filesystem",
581 .offset
= 7 * 1024 * 1024,
584 .name
= "Home Filesystem",
585 .offset
= MTDPART_OFS_APPEND
,
586 .size
= MTDPART_SIZ_FULL
,
590 static uint8_t scan_ff_pattern
[] = { 0xff, 0xff };
592 static struct nand_bbt_descr sharpsl_bbt
= {
596 .pattern
= scan_ff_pattern
599 static struct sharpsl_nand_platform_data sharpsl_nand_platform_data
= {
600 .badblock_pattern
= &sharpsl_bbt
,
601 .partitions
= sharpsl_nand_partitions
,
602 .nr_partitions
= ARRAY_SIZE(sharpsl_nand_partitions
),
605 static struct resource sharpsl_nand_resources
[] = {
609 .flags
= IORESOURCE_MEM
,
613 static struct platform_device sharpsl_nand_device
= {
614 .name
= "sharpsl-nand",
616 .resource
= sharpsl_nand_resources
,
617 .num_resources
= ARRAY_SIZE(sharpsl_nand_resources
),
618 .dev
.platform_data
= &sharpsl_nand_platform_data
,
622 static struct mtd_partition sharpsl_rom_parts
[] = {
624 .name
="Boot PROM Filesystem",
625 .offset
= 0x00140000,
626 .size
= MTDPART_SIZ_FULL
,
630 static struct physmap_flash_data sharpsl_rom_data
= {
632 .nr_parts
= ARRAY_SIZE(sharpsl_rom_parts
),
633 .parts
= sharpsl_rom_parts
,
636 static struct resource sharpsl_rom_resources
[] = {
640 .flags
= IORESOURCE_MEM
,
644 static struct platform_device sharpsl_rom_device
= {
645 .name
= "physmap-flash",
647 .resource
= sharpsl_rom_resources
,
648 .num_resources
= ARRAY_SIZE(sharpsl_rom_resources
),
649 .dev
.platform_data
= &sharpsl_rom_data
,
652 static struct platform_device
*devices
[] __initdata
= {
656 &sharpsl_nand_device
,
660 static void spitz_poweroff(void)
662 arm_machine_restart('g', NULL
);
665 static void spitz_restart(char mode
, const char *cmd
)
667 /* Bootloader magic for a reboot */
668 if((MSC0
& 0xffff0000) == 0x7ff00000)
669 MSC0
= (MSC0
& 0xffff) | 0x7ee00000;
674 static void __init
common_init(void)
676 init_gpio_reset(SPITZ_GPIO_ON_RESET
, 1, 0);
677 pm_power_off
= spitz_poweroff
;
678 arm_pm_restart
= spitz_restart
;
680 if (machine_is_spitz()) {
681 sharpsl_nand_partitions
[1].size
= 5 * 1024 * 1024;
682 } else if (machine_is_akita()) {
683 sharpsl_nand_partitions
[1].size
= 58 * 1024 * 1024;
684 } else if (machine_is_borzoi()) {
685 sharpsl_nand_partitions
[1].size
= 32 * 1024 * 1024;
690 /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
693 pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config
));
697 platform_add_devices(devices
, ARRAY_SIZE(devices
));
698 pxa_set_mci_info(&spitz_mci_platform_data
);
699 pxa_set_ohci_info(&spitz_ohci_platform_data
);
700 pxa_set_ficp_info(&spitz_ficp_platform_data
);
701 set_pxa_fb_info(&spitz_pxafb_info
);
702 pxa_set_i2c_info(NULL
);
705 #if defined(CONFIG_MACH_SPITZ) || defined(CONFIG_MACH_BORZOI)
706 static void __init
spitz_init(void)
708 platform_scoop_config
= &spitz_pcmcia_config
;
712 platform_device_register(&spitzscoop2_device
);
716 #ifdef CONFIG_MACH_AKITA
720 static struct pca953x_platform_data akita_ioexp
= {
721 .gpio_base
= AKITA_IOEXP_GPIO_BASE
,
724 static struct i2c_board_info akita_i2c_board_info
[] = {
728 .platform_data
= &akita_ioexp
,
732 static struct nand_bbt_descr sharpsl_akita_bbt
= {
736 .pattern
= scan_ff_pattern
739 static struct nand_ecclayout akita_oobinfo
= {
742 0x5, 0x1, 0x2, 0x3, 0x6, 0x7, 0x15, 0x11,
743 0x12, 0x13, 0x16, 0x17, 0x25, 0x21, 0x22, 0x23,
744 0x26, 0x27, 0x35, 0x31, 0x32, 0x33, 0x36, 0x37},
745 .oobfree
= {{0x08, 0x09}}
748 static void __init
akita_init(void)
750 spitz_ficp_platform_data
.transceiver_mode
= akita_irda_transceiver_mode
;
752 sharpsl_nand_platform_data
.badblock_pattern
= &sharpsl_akita_bbt
;
753 sharpsl_nand_platform_data
.ecc_layout
= &akita_oobinfo
;
755 /* We just pretend the second element of the array doesn't exist */
756 spitz_pcmcia_config
.num_devs
= 1;
757 platform_scoop_config
= &spitz_pcmcia_config
;
759 i2c_register_board_info(0, ARRAY_AND_SIZE(akita_i2c_board_info
));
765 static void __init
fixup_spitz(struct machine_desc
*desc
,
766 struct tag
*tags
, char **cmdline
, struct meminfo
*mi
)
768 sharpsl_save_param();
770 mi
->bank
[0].start
= 0xa0000000;
771 mi
->bank
[0].node
= 0;
772 mi
->bank
[0].size
= (64*1024*1024);
775 #ifdef CONFIG_MACH_SPITZ
776 MACHINE_START(SPITZ
, "SHARP Spitz")
777 .phys_io
= 0x40000000,
778 .io_pg_offst
= (io_p2v(0x40000000) >> 18) & 0xfffc,
779 .fixup
= fixup_spitz
,
780 .map_io
= pxa_map_io
,
781 .init_irq
= pxa27x_init_irq
,
782 .init_machine
= spitz_init
,
787 #ifdef CONFIG_MACH_BORZOI
788 MACHINE_START(BORZOI
, "SHARP Borzoi")
789 .phys_io
= 0x40000000,
790 .io_pg_offst
= (io_p2v(0x40000000) >> 18) & 0xfffc,
791 .fixup
= fixup_spitz
,
792 .map_io
= pxa_map_io
,
793 .init_irq
= pxa27x_init_irq
,
794 .init_machine
= spitz_init
,
799 #ifdef CONFIG_MACH_AKITA
800 MACHINE_START(AKITA
, "SHARP Akita")
801 .phys_io
= 0x40000000,
802 .io_pg_offst
= (io_p2v(0x40000000) >> 18) & 0xfffc,
803 .fixup
= fixup_spitz
,
804 .map_io
= pxa_map_io
,
805 .init_irq
= pxa27x_init_irq
,
806 .init_machine
= akita_init
,