2 * Support for Sharp SL-C7xx PDAs
3 * Models: SL-C700 (Corgi), SL-C750 (Shepherd), SL-C760 (Husky)
5 * Copyright (c) 2004-2005 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/major.h>
20 #include <linux/interrupt.h>
21 #include <linux/mmc/host.h>
22 #include <linux/mtd/physmap.h>
24 #include <linux/gpio.h>
25 #include <linux/backlight.h>
26 #include <linux/i2c.h>
27 #include <linux/i2c/pxa-i2c.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 <video/w100fb.h>
37 #include <asm/setup.h>
38 #include <asm/memory.h>
39 #include <asm/mach-types.h>
40 #include <mach/hardware.h>
42 #include <asm/system.h>
44 #include <asm/mach/arch.h>
45 #include <asm/mach/map.h>
46 #include <asm/mach/irq.h>
48 #include <mach/pxa25x.h>
49 #include <mach/irda.h>
52 #include <mach/corgi.h>
53 #include <mach/sharpsl_pm.h>
55 #include <asm/mach/sharpsl_param.h>
56 #include <asm/hardware/scoop.h>
61 static unsigned long corgi_pin_config
[] __initdata
= {
62 /* Static Memory I/O */
63 GPIO78_nCS_2
, /* w100fb */
64 GPIO80_nCS_4
, /* scoop */
70 GPIO24_GPIO
, /* CORGI_GPIO_ADS7846_CS - SFRM as chip select */
73 GPIO28_I2S_BITCLK_OUT
,
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 */
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 */
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 */
149 static struct resource corgi_scoop_resources
[] = {
153 .flags
= IORESOURCE_MEM
,
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
,
163 struct platform_device corgiscoop_device
= {
164 .name
= "sharp-scoop",
167 .platform_data
= &corgi_scoop_setup
,
169 .num_resources
= ARRAY_SIZE(corgi_scoop_resources
),
170 .resource
= corgi_scoop_resources
,
173 static struct scoop_pcmcia_dev corgi_pcmcia_scoop
[] = {
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",
182 static struct scoop_pcmcia_config corgi_pcmcia_config
= {
183 .devs
= &corgi_pcmcia_scoop
[0],
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,
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,
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,
213 static struct w100_mode corgi_fb_modes
[] = {
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,
231 .fast_pll_freq
= 100,
232 .sysclk_src
= CLK_SRC_PLL
,
234 .pixclk_src
= CLK_SRC_PLL
,
236 .pixclk_divider_rotated
= 6,
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,
255 .sysclk_src
= CLK_SRC_XTAL
,
257 .pixclk_src
= CLK_SRC_XTAL
,
259 .pixclk_divider_rotated
= 1,
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],
270 .gpio
= &corgi_fb_gpio
,
271 .xtal_freq
= 12500000,
275 static struct resource corgi_fb_resources
[] = {
279 .flags
= IORESOURCE_MEM
,
283 static struct platform_device corgifb_device
= {
286 .num_resources
= ARRAY_SIZE(corgi_fb_resources
),
287 .resource
= corgi_fb_resources
,
289 .platform_data
= &corgi_fb_info
,
295 * Corgi Keyboard Device
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
312 static const uint32_t corgikbd_keymap
[] = {
320 KEY(0, 8, KEY_BACKSPACE
),
337 KEY(3, 0, CORGI_KEY_CALENDER
),
345 KEY(3, 9, KEY_RIGHTSHIFT
),
346 KEY(4, 0, CORGI_KEY_ADDRESS
),
353 KEY(4, 8, KEY_ENTER
),
354 KEY(4, 10, KEY_LEFTSHIFT
),
355 KEY(5, 0, CORGI_KEY_MAIL
),
358 KEY(5, 3, KEY_MINUS
),
359 KEY(5, 4, KEY_SPACE
),
360 KEY(5, 5, KEY_COMMA
),
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
),
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
),
379 static struct matrix_keymap_data corgikbd_keymap_data
= {
380 .keymap
= corgikbd_keymap
,
381 .keymap_size
= ARRAY_SIZE(corgikbd_keymap
),
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 };
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,
400 static struct platform_device corgikbd_device
= {
401 .name
= "matrix-keypad",
404 .platform_data
= &corgikbd_pdata
,
411 static struct gpio_led corgi_gpio_leds
[] = {
413 .name
= "corgi:amber:charge",
414 .default_trigger
= "sharpsl-charge",
415 .gpio
= CORGI_GPIO_LED_ORANGE
,
418 .name
= "corgi:green:mail",
419 .default_trigger
= "nand-disk",
420 .gpio
= CORGI_GPIO_LED_GREEN
,
424 static struct gpio_led_platform_data corgi_gpio_leds_info
= {
425 .leds
= corgi_gpio_leds
,
426 .num_leds
= ARRAY_SIZE(corgi_gpio_leds
),
429 static struct platform_device corgiled_device
= {
433 .platform_data
= &corgi_gpio_leds_info
,
440 * The card detect interrupt isn't debounced so we delay it by 250ms
441 * to give the card a chance to fully insert/eject.
443 static struct pxamci_platform_data corgi_mci_platform_data
= {
444 .detect_delay_ms
= 250,
445 .ocr_mask
= MMC_VDD_32_33
|MMC_VDD_33_34
,
446 .gpio_card_detect
= CORGI_GPIO_nSD_DETECT
,
447 .gpio_card_ro
= CORGI_GPIO_nSD_WP
,
448 .gpio_power
= CORGI_GPIO_SD_PWR
,
455 static struct pxaficp_platform_data corgi_ficp_platform_data
= {
456 .gpio_pwdown
= CORGI_GPIO_IR_ON
,
457 .transceiver_cap
= IR_SIRMODE
| IR_OFF
,
462 * USB Device Controller
464 static struct pxa2xx_udc_mach_info udc_info __initdata
= {
466 /* no connect GPIO; corgi can't tell connection status */
467 .gpio_pullup
= CORGI_GPIO_USB_PULLUP
,
470 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MASTER)
471 static struct pxa2xx_spi_master corgi_spi_info
= {
475 static void corgi_wait_for_hsync(void)
477 while (gpio_get_value(CORGI_GPIO_HSYNC
))
480 while (!gpio_get_value(CORGI_GPIO_HSYNC
))
484 static struct ads7846_platform_data corgi_ads7846_info
= {
486 .vref_delay_usecs
= 100,
489 .gpio_pendown
= CORGI_GPIO_TP_INT
,
490 .wait_for_sync
= corgi_wait_for_hsync
,
493 static struct pxa2xx_spi_chip corgi_ads7846_chip
= {
494 .gpio_cs
= CORGI_GPIO_ADS7846_CS
,
497 static void corgi_bl_kick_battery(void)
499 void (*kick_batt
)(void);
501 kick_batt
= symbol_get(sharpsl_battery_kick
);
504 symbol_put(sharpsl_battery_kick
);
508 static struct corgi_lcd_platform_data corgi_lcdcon_info
= {
509 .init_mode
= CORGI_LCD_MODE_VGA
,
510 .max_intensity
= 0x2f,
511 .default_intensity
= 0x1f,
513 .gpio_backlight_cont
= CORGI_GPIO_BACKLIGHT_CONT
,
514 .gpio_backlight_on
= -1,
515 .kick_battery
= corgi_bl_kick_battery
,
518 static struct pxa2xx_spi_chip corgi_lcdcon_chip
= {
519 .gpio_cs
= CORGI_GPIO_LCDCON_CS
,
522 static struct pxa2xx_spi_chip corgi_max1111_chip
= {
523 .gpio_cs
= CORGI_GPIO_MAX1111_CS
,
526 static struct spi_board_info corgi_spi_devices
[] = {
528 .modalias
= "ads7846",
529 .max_speed_hz
= 1200000,
532 .platform_data
= &corgi_ads7846_info
,
533 .controller_data
= &corgi_ads7846_chip
,
534 .irq
= gpio_to_irq(CORGI_GPIO_TP_INT
),
536 .modalias
= "corgi-lcd",
537 .max_speed_hz
= 50000,
540 .platform_data
= &corgi_lcdcon_info
,
541 .controller_data
= &corgi_lcdcon_chip
,
543 .modalias
= "max1111",
544 .max_speed_hz
= 450000,
547 .controller_data
= &corgi_max1111_chip
,
551 static void __init
corgi_init_spi(void)
553 pxa2xx_set_spi_info(1, &corgi_spi_info
);
554 spi_register_board_info(ARRAY_AND_SIZE(corgi_spi_devices
));
557 static inline void corgi_init_spi(void) {}
560 static struct mtd_partition sharpsl_nand_partitions
[] = {
562 .name
= "System Area",
564 .size
= 7 * 1024 * 1024,
567 .name
= "Root Filesystem",
568 .offset
= 7 * 1024 * 1024,
569 .size
= 25 * 1024 * 1024,
572 .name
= "Home Filesystem",
573 .offset
= MTDPART_OFS_APPEND
,
574 .size
= MTDPART_SIZ_FULL
,
578 static uint8_t scan_ff_pattern
[] = { 0xff, 0xff };
580 static struct nand_bbt_descr sharpsl_bbt
= {
584 .pattern
= scan_ff_pattern
587 static struct sharpsl_nand_platform_data sharpsl_nand_platform_data
= {
588 .badblock_pattern
= &sharpsl_bbt
,
589 .partitions
= sharpsl_nand_partitions
,
590 .nr_partitions
= ARRAY_SIZE(sharpsl_nand_partitions
),
593 static struct resource sharpsl_nand_resources
[] = {
597 .flags
= IORESOURCE_MEM
,
601 static struct platform_device sharpsl_nand_device
= {
602 .name
= "sharpsl-nand",
604 .resource
= sharpsl_nand_resources
,
605 .num_resources
= ARRAY_SIZE(sharpsl_nand_resources
),
606 .dev
.platform_data
= &sharpsl_nand_platform_data
,
609 static struct mtd_partition sharpsl_rom_parts
[] = {
611 .name
="Boot PROM Filesystem",
612 .offset
= 0x00120000,
613 .size
= MTDPART_SIZ_FULL
,
617 static struct physmap_flash_data sharpsl_rom_data
= {
619 .nr_parts
= ARRAY_SIZE(sharpsl_rom_parts
),
620 .parts
= sharpsl_rom_parts
,
623 static struct resource sharpsl_rom_resources
[] = {
627 .flags
= IORESOURCE_MEM
,
631 static struct platform_device sharpsl_rom_device
= {
632 .name
= "physmap-flash",
634 .resource
= sharpsl_rom_resources
,
635 .num_resources
= ARRAY_SIZE(sharpsl_rom_resources
),
636 .dev
.platform_data
= &sharpsl_rom_data
,
639 static struct platform_device
*devices
[] __initdata
= {
644 &sharpsl_nand_device
,
648 static struct i2c_board_info __initdata corgi_i2c_devices
[] = {
649 { I2C_BOARD_INFO("wm8731", 0x1b) },
652 static void corgi_poweroff(void)
654 if (!machine_is_corgi())
655 /* Green LED off tells the bootloader to halt */
656 gpio_set_value(CORGI_GPIO_LED_GREEN
, 0);
658 arm_machine_restart('h', NULL
);
661 static void corgi_restart(char mode
, const char *cmd
)
663 if (!machine_is_corgi())
664 /* Green LED on tells the bootloader to reboot */
665 gpio_set_value(CORGI_GPIO_LED_GREEN
, 1);
667 arm_machine_restart('h', cmd
);
670 static void __init
corgi_init(void)
672 pm_power_off
= corgi_poweroff
;
673 arm_pm_restart
= corgi_restart
;
675 /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
678 pxa2xx_mfp_config(ARRAY_AND_SIZE(corgi_pin_config
));
680 /* allow wakeup from various GPIOs */
681 gpio_set_wake(CORGI_GPIO_KEY_INT
, 1);
682 gpio_set_wake(CORGI_GPIO_WAKEUP
, 1);
683 gpio_set_wake(CORGI_GPIO_AC_IN
, 1);
684 gpio_set_wake(CORGI_GPIO_CHRG_FULL
, 1);
686 if (!machine_is_corgi())
687 gpio_set_wake(CORGI_GPIO_MAIN_BAT_LOW
, 1);
689 pxa_set_ffuart_info(NULL
);
690 pxa_set_btuart_info(NULL
);
691 pxa_set_stuart_info(NULL
);
695 pxa_set_udc_info(&udc_info
);
696 pxa_set_mci_info(&corgi_mci_platform_data
);
697 pxa_set_ficp_info(&corgi_ficp_platform_data
);
698 pxa_set_i2c_info(NULL
);
699 i2c_register_board_info(0, ARRAY_AND_SIZE(corgi_i2c_devices
));
701 platform_scoop_config
= &corgi_pcmcia_config
;
703 if (machine_is_husky())
704 sharpsl_nand_partitions
[1].size
= 53 * 1024 * 1024;
706 platform_add_devices(devices
, ARRAY_SIZE(devices
));
709 static void __init
fixup_corgi(struct machine_desc
*desc
,
710 struct tag
*tags
, char **cmdline
, struct meminfo
*mi
)
712 sharpsl_save_param();
714 mi
->bank
[0].start
= 0xa0000000;
715 if (machine_is_corgi())
716 mi
->bank
[0].size
= (32*1024*1024);
718 mi
->bank
[0].size
= (64*1024*1024);
721 #ifdef CONFIG_MACH_CORGI
722 MACHINE_START(CORGI
, "SHARP Corgi")
723 .fixup
= fixup_corgi
,
724 .map_io
= pxa25x_map_io
,
725 .init_irq
= pxa25x_init_irq
,
726 .init_machine
= corgi_init
,
731 #ifdef CONFIG_MACH_SHEPHERD
732 MACHINE_START(SHEPHERD
, "SHARP Shepherd")
733 .fixup
= fixup_corgi
,
734 .map_io
= pxa25x_map_io
,
735 .init_irq
= pxa25x_init_irq
,
736 .init_machine
= corgi_init
,
741 #ifdef CONFIG_MACH_HUSKY
742 MACHINE_START(HUSKY
, "SHARP Husky")
743 .fixup
= fixup_corgi
,
744 .map_io
= pxa25x_map_io
,
745 .init_irq
= pxa25x_init_irq
,
746 .init_machine
= corgi_init
,