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 */
109 GPIO28_I2S_BITCLK_OUT,
111 GPIO30_I2S_SDATA_OUT,
123 GPIO9_GPIO, /* SPITZ_GPIO_nSD_DETECT */
124 GPIO81_GPIO, /* SPITZ_GPIO_nSD_WP */
125 GPIO41_GPIO, /* SPITZ_GPIO_USB_CONNECT */
126 GPIO37_GPIO, /* SPITZ_GPIO_USB_HOST */
127 GPIO35_GPIO, /* SPITZ_GPIO_USB_DEVICE */
128 GPIO22_GPIO, /* SPITZ_GPIO_HSYNC */
129 GPIO94_GPIO, /* SPITZ_GPIO_CF_CD */
130 GPIO105_GPIO, /* SPITZ_GPIO_CF_IRQ */
131 GPIO106_GPIO, /* SPITZ_GPIO_CF2_IRQ */
137 GPIO1_GPIO | WAKEUP_ON_EDGE_RISE,
141 * Spitz SCOOP Device #1
143 static struct resource spitz_scoop_resources[] = {
147 .flags = IORESOURCE_MEM,
151 static struct scoop_config spitz_scoop_setup = {
152 .io_dir = SPITZ_SCP_IO_DIR,
153 .io_out = SPITZ_SCP_IO_OUT,
154 .suspend_clr = SPITZ_SCP_SUS_CLR,
155 .suspend_set = SPITZ_SCP_SUS_SET,
156 .gpio_base = SPITZ_SCP_GPIO_BASE,
159 struct platform_device spitzscoop_device = {
160 .name = "sharp-scoop",
163 .platform_data = &spitz_scoop_setup,
165 .num_resources = ARRAY_SIZE(spitz_scoop_resources),
166 .resource = spitz_scoop_resources,
170 * Spitz SCOOP Device #2
172 static struct resource spitz_scoop2_resources[] = {
176 .flags = IORESOURCE_MEM,
180 static struct scoop_config spitz_scoop2_setup = {
181 .io_dir = SPITZ_SCP2_IO_DIR,
182 .io_out = SPITZ_SCP2_IO_OUT,
183 .suspend_clr = SPITZ_SCP2_SUS_CLR,
184 .suspend_set = SPITZ_SCP2_SUS_SET,
185 .gpio_base = SPITZ_SCP2_GPIO_BASE,
188 struct platform_device spitzscoop2_device = {
189 .name = "sharp-scoop",
192 .platform_data = &spitz_scoop2_setup,
194 .num_resources = ARRAY_SIZE(spitz_scoop2_resources),
195 .resource = spitz_scoop2_resources,
198 #define SPITZ_PWR_SD 0x01
199 #define SPITZ_PWR_CF 0x02
201 /* Power control is shared with between one of the CF slots and SD */
202 static void spitz_card_pwr_ctrl(int device, unsigned short new_cpr)
204 unsigned short cpr = read_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR);
206 if (new_cpr & 0x0007) {
207 gpio_set_value(SPITZ_GPIO_CF_POWER, 1);
208 if (!(cpr & 0x0002) && !(cpr & 0x0004))
210 if (device == SPITZ_PWR_CF)
212 if (device == SPITZ_PWR_SD)
214 write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
216 if (device == SPITZ_PWR_CF)
218 if (device == SPITZ_PWR_SD)
220 if (!(cpr & 0x0002) && !(cpr & 0x0004)) {
221 write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, 0x0000);
223 gpio_set_value(SPITZ_GPIO_CF_POWER, 0);
225 write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
230 static void spitz_pcmcia_pwr(struct device *scoop, unsigned short cpr, int nr)
232 /* Only need to override behaviour for slot 0 */
234 spitz_card_pwr_ctrl(SPITZ_PWR_CF, cpr);
236 write_scoop_reg(scoop, SCOOP_CPR, cpr);
239 static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = {
241 .dev = &spitzscoop_device.dev,
242 .irq = SPITZ_IRQ_GPIO_CF_IRQ,
243 .cd_irq = SPITZ_IRQ_GPIO_CF_CD,
244 .cd_irq_str = "PCMCIA0 CD",
246 .dev = &spitzscoop2_device.dev,
247 .irq = SPITZ_IRQ_GPIO_CF2_IRQ,
252 static struct scoop_pcmcia_config spitz_pcmcia_config = {
253 .devs = &spitz_pcmcia_scoop[0],
255 .power_ctrl = spitz_pcmcia_pwr,
258 EXPORT_SYMBOL(spitzscoop_device);
259 EXPORT_SYMBOL(spitzscoop2_device);
262 * Spitz Keyboard Device
264 static struct platform_device spitzkbd_device = {
265 .name = "spitz-keyboard",
273 static struct gpio_led spitz_gpio_leds[] = {
275 .name = "spitz:amber:charge",
276 .default_trigger = "sharpsl-charge",
277 .gpio = SPITZ_GPIO_LED_ORANGE,
280 .name = "spitz:green:hddactivity",
281 .default_trigger = "ide-disk",
282 .gpio = SPITZ_GPIO_LED_GREEN,
286 static struct gpio_led_platform_data spitz_gpio_leds_info = {
287 .leds = spitz_gpio_leds,
288 .num_leds = ARRAY_SIZE(spitz_gpio_leds),
291 static struct platform_device spitzled_device = {
295 .platform_data = &spitz_gpio_leds_info,
299 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
300 static struct pxa2xx_spi_master spitz_spi_info = {
304 static struct ads7846_platform_data spitz_ads7846_info = {
306 .vref_delay_usecs = 100,
309 .gpio_pendown = SPITZ_GPIO_TP_INT,
312 static void spitz_ads7846_cs(u32 command)
314 gpio_set_value(SPITZ_GPIO_ADS7846_CS, !(command == PXA2XX_CS_ASSERT));
317 static struct pxa2xx_spi_chip spitz_ads7846_chip = {
318 .cs_control = spitz_ads7846_cs,
321 static void spitz_bl_kick_battery(void)
323 void (*kick_batt)(void);
325 kick_batt = symbol_get(sharpsl_battery_kick);
328 symbol_put(sharpsl_battery_kick);
332 static struct corgi_lcd_platform_data spitz_lcdcon_info = {
333 .init_mode = CORGI_LCD_MODE_VGA,
334 .max_intensity = 0x2f,
335 .default_intensity = 0x1f,
337 .gpio_backlight_cont = SPITZ_GPIO_BACKLIGHT_CONT,
338 .gpio_backlight_on = SPITZ_GPIO_BACKLIGHT_ON,
339 .kick_battery = spitz_bl_kick_battery,
342 static void spitz_lcdcon_cs(u32 command)
344 gpio_set_value(SPITZ_GPIO_LCDCON_CS, !(command == PXA2XX_CS_ASSERT));
347 static struct pxa2xx_spi_chip spitz_lcdcon_chip = {
348 .cs_control = spitz_lcdcon_cs,
351 static void spitz_max1111_cs(u32 command)
353 gpio_set_value(SPITZ_GPIO_MAX1111_CS, !(command == PXA2XX_CS_ASSERT));
356 static struct pxa2xx_spi_chip spitz_max1111_chip = {
357 .cs_control = spitz_max1111_cs,
360 static struct spi_board_info spitz_spi_devices[] = {
362 .modalias = "ads7846",
363 .max_speed_hz = 1200000,
366 .platform_data = &spitz_ads7846_info,
367 .controller_data= &spitz_ads7846_chip,
368 .irq = gpio_to_irq(SPITZ_GPIO_TP_INT),
370 .modalias = "corgi-lcd",
371 .max_speed_hz = 50000,
374 .platform_data = &spitz_lcdcon_info,
375 .controller_data= &spitz_lcdcon_chip,
377 .modalias = "max1111",
378 .max_speed_hz = 450000,
381 .controller_data= &spitz_max1111_chip,
385 static void __init spitz_init_spi(void)
389 err = gpio_request(SPITZ_GPIO_ADS7846_CS, "ADS7846_CS");
393 err = gpio_request(SPITZ_GPIO_LCDCON_CS, "LCDCON_CS");
397 err = gpio_request(SPITZ_GPIO_MAX1111_CS, "MAX1111_CS");
401 err = gpio_direction_output(SPITZ_GPIO_ADS7846_CS, 1);
404 err = gpio_direction_output(SPITZ_GPIO_LCDCON_CS, 1);
407 err = gpio_direction_output(SPITZ_GPIO_MAX1111_CS, 1);
411 if (machine_is_akita()) {
412 spitz_lcdcon_info.gpio_backlight_cont = AKITA_GPIO_BACKLIGHT_CONT;
413 spitz_lcdcon_info.gpio_backlight_on = AKITA_GPIO_BACKLIGHT_ON;
416 pxa2xx_set_spi_info(2, &spitz_spi_info);
417 spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices));
421 gpio_free(SPITZ_GPIO_MAX1111_CS);
423 gpio_free(SPITZ_GPIO_LCDCON_CS);
425 gpio_free(SPITZ_GPIO_ADS7846_CS);
428 static inline void spitz_init_spi(void) {}
434 * The card detect interrupt isn't debounced so we delay it by 250ms
435 * to give the card a chance to fully insert/eject.
438 static struct pxamci_platform_data spitz_mci_platform_data;
440 static int spitz_mci_init(struct device *dev, irq_handler_t spitz_detect_int, void *data)
444 err = gpio_request(SPITZ_GPIO_nSD_DETECT, "nSD_DETECT");
448 err = gpio_request(SPITZ_GPIO_nSD_WP, "nSD_WP");
452 gpio_direction_input(SPITZ_GPIO_nSD_DETECT);
453 gpio_direction_input(SPITZ_GPIO_nSD_WP);
455 spitz_mci_platform_data.detect_delay = msecs_to_jiffies(250);
457 err = request_irq(SPITZ_IRQ_GPIO_nSD_DETECT, spitz_detect_int,
458 IRQF_DISABLED | IRQF_TRIGGER_RISING |
459 IRQF_TRIGGER_FALLING,
460 "MMC card detect", data);
462 pr_err("%s: MMC/SD: can't request MMC card detect IRQ\n",
469 gpio_free(SPITZ_GPIO_nSD_WP);
471 gpio_free(SPITZ_GPIO_nSD_DETECT);
476 static void spitz_mci_setpower(struct device *dev, unsigned int vdd)
478 struct pxamci_platform_data* p_d = dev->platform_data;
480 if (( 1 << vdd) & p_d->ocr_mask)
481 spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0004);
483 spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0000);
486 static int spitz_mci_get_ro(struct device *dev)
488 return gpio_get_value(SPITZ_GPIO_nSD_WP);
491 static void spitz_mci_exit(struct device *dev, void *data)
493 free_irq(SPITZ_IRQ_GPIO_nSD_DETECT, data);
494 gpio_free(SPITZ_GPIO_nSD_WP);
495 gpio_free(SPITZ_GPIO_nSD_DETECT);
498 static struct pxamci_platform_data spitz_mci_platform_data = {
499 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
500 .init = spitz_mci_init,
501 .get_ro = spitz_mci_get_ro,
502 .setpower = spitz_mci_setpower,
503 .exit = spitz_mci_exit,
510 static int spitz_ohci_init(struct device *dev)
514 err = gpio_request(SPITZ_GPIO_USB_HOST, "USB_HOST");
518 /* Only Port 2 is connected
519 * Setup USB Port 2 Output Control Register
521 UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
523 return gpio_direction_output(SPITZ_GPIO_USB_HOST, 1);
526 static struct pxaohci_platform_data spitz_ohci_platform_data = {
527 .port_mode = PMM_NPS_MODE,
528 .init = spitz_ohci_init,
529 .flags = ENABLE_PORT_ALL | NO_OC_PROTECTION,
537 static int spitz_irda_startup(struct device *dev)
541 rc = gpio_request(SPITZ_GPIO_IR_ON, "IrDA on");
545 rc = gpio_direction_output(SPITZ_GPIO_IR_ON, 1);
552 gpio_free(SPITZ_GPIO_IR_ON);
557 static void spitz_irda_shutdown(struct device *dev)
559 gpio_free(SPITZ_GPIO_IR_ON);
562 static void spitz_irda_transceiver_mode(struct device *dev, int mode)
564 gpio_set_value(SPITZ_GPIO_IR_ON, mode & IR_OFF);
565 pxa2xx_transceiver_mode(dev, mode);
568 #ifdef CONFIG_MACH_AKITA
569 static void akita_irda_transceiver_mode(struct device *dev, int mode)
571 gpio_set_value(AKITA_GPIO_IR_ON, mode & IR_OFF);
572 pxa2xx_transceiver_mode(dev, mode);
576 static struct pxaficp_platform_data spitz_ficp_platform_data = {
577 .transceiver_cap = IR_SIRMODE | IR_OFF,
578 .transceiver_mode = spitz_irda_transceiver_mode,
579 .startup = spitz_irda_startup,
580 .shutdown = spitz_irda_shutdown,
585 * Spitz PXA Framebuffer
588 static struct pxafb_mode_info spitz_pxafb_modes[] = {
616 static struct pxafb_mach_info spitz_pxafb_info = {
617 .modes = &spitz_pxafb_modes[0],
620 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING,
623 static struct mtd_partition sharpsl_nand_partitions[] = {
625 .name = "System Area",
627 .size = 7 * 1024 * 1024,
630 .name = "Root Filesystem",
631 .offset = 7 * 1024 * 1024,
634 .name = "Home Filesystem",
635 .offset = MTDPART_OFS_APPEND,
636 .size = MTDPART_SIZ_FULL,
640 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
642 static struct nand_bbt_descr sharpsl_bbt = {
646 .pattern = scan_ff_pattern
649 static struct sharpsl_nand_platform_data sharpsl_nand_platform_data = {
650 .badblock_pattern = &sharpsl_bbt,
651 .partitions = sharpsl_nand_partitions,
652 .nr_partitions = ARRAY_SIZE(sharpsl_nand_partitions),
655 static struct resource sharpsl_nand_resources[] = {
659 .flags = IORESOURCE_MEM,
663 static struct platform_device sharpsl_nand_device = {
664 .name = "sharpsl-nand",
666 .resource = sharpsl_nand_resources,
667 .num_resources = ARRAY_SIZE(sharpsl_nand_resources),
668 .dev.platform_data = &sharpsl_nand_platform_data,
672 static struct mtd_partition sharpsl_rom_parts[] = {
674 .name ="Boot PROM Filesystem",
675 .offset = 0x00140000,
676 .size = MTDPART_SIZ_FULL,
680 static struct physmap_flash_data sharpsl_rom_data = {
682 .nr_parts = ARRAY_SIZE(sharpsl_rom_parts),
683 .parts = sharpsl_rom_parts,
686 static struct resource sharpsl_rom_resources[] = {
690 .flags = IORESOURCE_MEM,
694 static struct platform_device sharpsl_rom_device = {
695 .name = "physmap-flash",
697 .resource = sharpsl_rom_resources,
698 .num_resources = ARRAY_SIZE(sharpsl_rom_resources),
699 .dev.platform_data = &sharpsl_rom_data,
702 static struct platform_device *devices[] __initdata = {
706 &sharpsl_nand_device,
710 static void spitz_poweroff(void)
712 arm_machine_restart('g');
715 static void spitz_restart(char mode)
717 /* Bootloader magic for a reboot */
718 if((MSC0 & 0xffff0000) == 0x7ff00000)
719 MSC0 = (MSC0 & 0xffff) | 0x7ee00000;
724 static void __init common_init(void)
726 init_gpio_reset(SPITZ_GPIO_ON_RESET, 1);
727 pm_power_off = spitz_poweroff;
728 arm_pm_restart = spitz_restart;
730 if (machine_is_spitz()) {
731 sharpsl_nand_partitions[1].size = 5 * 1024 * 1024;
732 } else if (machine_is_akita()) {
733 sharpsl_nand_partitions[1].size = 58 * 1024 * 1024;
734 } else if (machine_is_borzoi()) {
735 sharpsl_nand_partitions[1].size = 32 * 1024 * 1024;
740 /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
743 pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config));
747 platform_add_devices(devices, ARRAY_SIZE(devices));
748 pxa_set_mci_info(&spitz_mci_platform_data);
749 pxa_set_ohci_info(&spitz_ohci_platform_data);
750 pxa_set_ficp_info(&spitz_ficp_platform_data);
751 set_pxa_fb_info(&spitz_pxafb_info);
752 pxa_set_i2c_info(NULL);
755 #if defined(CONFIG_MACH_SPITZ) || defined(CONFIG_MACH_BORZOI)
756 static void __init spitz_init(void)
758 platform_scoop_config = &spitz_pcmcia_config;
762 platform_device_register(&spitzscoop2_device);
766 #ifdef CONFIG_MACH_AKITA
770 static struct pca953x_platform_data akita_ioexp = {
771 .gpio_base = AKITA_IOEXP_GPIO_BASE,
774 static struct i2c_board_info akita_i2c_board_info[] = {
778 .platform_data = &akita_ioexp,
782 static struct nand_bbt_descr sharpsl_akita_bbt = {
786 .pattern = scan_ff_pattern
789 static struct nand_ecclayout akita_oobinfo = {
792 0x5, 0x1, 0x2, 0x3, 0x6, 0x7, 0x15, 0x11,
793 0x12, 0x13, 0x16, 0x17, 0x25, 0x21, 0x22, 0x23,
794 0x26, 0x27, 0x35, 0x31, 0x32, 0x33, 0x36, 0x37},
795 .oobfree = {{0x08, 0x09}}
798 static void __init akita_init(void)
800 spitz_ficp_platform_data.transceiver_mode = akita_irda_transceiver_mode;
802 sharpsl_nand_platform_data.badblock_pattern = &sharpsl_akita_bbt;
803 sharpsl_nand_platform_data.ecc_layout = &akita_oobinfo;
805 /* We just pretend the second element of the array doesn't exist */
806 spitz_pcmcia_config.num_devs = 1;
807 platform_scoop_config = &spitz_pcmcia_config;
809 i2c_register_board_info(0, ARRAY_AND_SIZE(akita_i2c_board_info));
815 static void __init fixup_spitz(struct machine_desc *desc,
816 struct tag *tags, char **cmdline, struct meminfo *mi)
818 sharpsl_save_param();
820 mi->bank[0].start = 0xa0000000;
821 mi->bank[0].node = 0;
822 mi->bank[0].size = (64*1024*1024);
825 #ifdef CONFIG_MACH_SPITZ
826 MACHINE_START(SPITZ, "SHARP Spitz")
827 .phys_io = 0x40000000,
828 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
829 .fixup = fixup_spitz,
830 .map_io = pxa_map_io,
831 .init_irq = pxa27x_init_irq,
832 .init_machine = spitz_init,
837 #ifdef CONFIG_MACH_BORZOI
838 MACHINE_START(BORZOI, "SHARP Borzoi")
839 .phys_io = 0x40000000,
840 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
841 .fixup = fixup_spitz,
842 .map_io = pxa_map_io,
843 .init_irq = pxa27x_init_irq,
844 .init_machine = spitz_init,
849 #ifdef CONFIG_MACH_AKITA
850 MACHINE_START(AKITA, "SHARP Akita")
851 .phys_io = 0x40000000,
852 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
853 .fixup = fixup_spitz,
854 .map_io = pxa_map_io,
855 .init_irq = pxa27x_init_irq,
856 .init_machine = akita_init,