2 * Support for Sharp SL-C6000x PDAs
5 * Copyright (c) 2005 Dirk Opfer
7 * Based on code written by Sharp/Lineo for 2.4 kernels
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/delay.h>
23 #include <linux/mmc/host.h>
24 #include <linux/mfd/tc6393xb.h>
25 #include <linux/mfd/tmio.h>
26 #include <linux/mtd/nand.h>
27 #include <linux/mtd/partitions.h>
29 #include <linux/gpio_keys.h>
30 #include <linux/input.h>
31 #include <linux/gpio.h>
32 #include <linux/pda_power.h>
33 #include <linux/rfkill.h>
35 #include <asm/setup.h>
36 #include <asm/mach-types.h>
37 #include <asm/arch/pxa2xx-regs.h>
38 #include <asm/arch/mfp-pxa25x.h>
39 #include <asm/arch/reset.h>
40 #include <asm/arch/irda.h>
41 #include <asm/arch/i2c.h>
42 #include <asm/arch/mmc.h>
43 #include <asm/arch/udc.h>
44 #include <asm/arch/tosa_bt.h>
46 #include <asm/mach/arch.h>
47 #include <asm/arch/tosa.h>
49 #include <asm/hardware/scoop.h>
50 #include <asm/mach/sharpsl_param.h>
55 static unsigned long tosa_pin_config[] = {
56 GPIO78_nCS_2, /* Scoop */
57 GPIO80_nCS_4, /* tg6393xb */
58 GPIO33_nCS_5, /* Scoop */
60 // GPIO76 CARD_VCC_ON1
62 GPIO19_GPIO, /* Reset out */
63 GPIO1_RST | WAKEUP_ON_EDGE_FALL,
65 GPIO0_GPIO | WAKEUP_ON_EDGE_FALL, /* WAKE_UP */
66 GPIO2_GPIO | WAKEUP_ON_EDGE_BOTH, /* AC_IN */
67 GPIO3_GPIO | WAKEUP_ON_EDGE_FALL, /* RECORD */
68 GPIO4_GPIO | WAKEUP_ON_EDGE_FALL, /* SYNC */
69 GPIO20_GPIO, /* EAR_IN */
72 GPIO5_GPIO, /* USB_IN */
73 GPIO32_GPIO, /* Pen IRQ */
75 GPIO7_GPIO, /* Jacket Detect */
76 GPIO14_GPIO, /* BAT0_CRG */
77 GPIO12_GPIO, /* BAT1_CRG */
78 GPIO17_GPIO, /* BAT0_LOW */
79 GPIO84_GPIO, /* BAT1_LOW */
80 GPIO38_GPIO, /* BAT_LOCK */
83 GPIO15_GPIO, /* TC6393XB IRQ */
85 GPIO27_GPIO, /* LCD Sync */
90 GPIO9_GPIO, /* Detect */
91 GPIO10_GPIO, /* nSD_INT */
94 GPIO13_GPIO, /* CD_IRQ */
95 GPIO21_GPIO, /* Main Slot IRQ */
96 GPIO36_GPIO, /* Jacket Slot IRQ */
110 GPIO30_AC97_SDATA_OUT,
112 GPIO29_AC97_SDATA_IN_0,
130 GPIO58_GPIO | MFP_LPM_DRIVE_LOW,
131 GPIO59_GPIO | MFP_LPM_DRIVE_LOW,
132 GPIO60_GPIO | MFP_LPM_DRIVE_LOW,
133 GPIO61_GPIO | MFP_LPM_DRIVE_LOW,
134 GPIO62_GPIO | MFP_LPM_DRIVE_LOW,
135 GPIO63_GPIO | MFP_LPM_DRIVE_LOW,
136 GPIO64_GPIO | MFP_LPM_DRIVE_LOW,
137 GPIO65_GPIO | MFP_LPM_DRIVE_LOW,
138 GPIO66_GPIO | MFP_LPM_DRIVE_LOW,
139 GPIO67_GPIO | MFP_LPM_DRIVE_LOW,
140 GPIO68_GPIO | MFP_LPM_DRIVE_LOW,
141 GPIO69_GPIO | MFP_LPM_DRIVE_LOW,
142 GPIO70_GPIO | MFP_LPM_DRIVE_LOW,
143 GPIO71_GPIO | MFP_LPM_DRIVE_LOW,
144 GPIO72_GPIO | MFP_LPM_DRIVE_LOW,
145 GPIO73_GPIO | MFP_LPM_DRIVE_LOW,
146 GPIO74_GPIO | MFP_LPM_DRIVE_LOW,
147 GPIO75_GPIO | MFP_LPM_DRIVE_LOW,
154 /* IrDA is managed in other way */
162 static struct resource tosa_scoop_resources[] = {
164 .start = TOSA_CF_PHYS,
165 .end = TOSA_CF_PHYS + 0xfff,
166 .flags = IORESOURCE_MEM,
170 static struct scoop_config tosa_scoop_setup = {
171 .io_dir = TOSA_SCOOP_IO_DIR,
172 .gpio_base = TOSA_SCOOP_GPIO_BASE,
175 static struct platform_device tosascoop_device = {
176 .name = "sharp-scoop",
179 .platform_data = &tosa_scoop_setup,
181 .num_resources = ARRAY_SIZE(tosa_scoop_resources),
182 .resource = tosa_scoop_resources,
187 * SCOOP Device Jacket
189 static struct resource tosa_scoop_jc_resources[] = {
191 .start = TOSA_SCOOP_PHYS + 0x40,
192 .end = TOSA_SCOOP_PHYS + 0xfff,
193 .flags = IORESOURCE_MEM,
197 static struct scoop_config tosa_scoop_jc_setup = {
198 .io_dir = TOSA_SCOOP_JC_IO_DIR,
199 .gpio_base = TOSA_SCOOP_JC_GPIO_BASE,
202 static struct platform_device tosascoop_jc_device = {
203 .name = "sharp-scoop",
206 .platform_data = &tosa_scoop_jc_setup,
207 .parent = &tosascoop_device.dev,
209 .num_resources = ARRAY_SIZE(tosa_scoop_jc_resources),
210 .resource = tosa_scoop_jc_resources,
216 static struct scoop_pcmcia_dev tosa_pcmcia_scoop[] = {
218 .dev = &tosascoop_device.dev,
219 .irq = TOSA_IRQ_GPIO_CF_IRQ,
220 .cd_irq = TOSA_IRQ_GPIO_CF_CD,
221 .cd_irq_str = "PCMCIA0 CD",
223 .dev = &tosascoop_jc_device.dev,
224 .irq = TOSA_IRQ_GPIO_JC_CF_IRQ,
229 static struct scoop_pcmcia_config tosa_pcmcia_config = {
230 .devs = &tosa_pcmcia_scoop[0],
235 * USB Device Controller
237 static struct pxa2xx_udc_mach_info udc_info __initdata = {
238 .gpio_pullup = TOSA_GPIO_USB_PULLUP,
239 .gpio_vbus = TOSA_GPIO_USB_IN,
240 .gpio_vbus_inverted = 1,
246 static struct pxamci_platform_data tosa_mci_platform_data;
248 static int tosa_mci_init(struct device *dev, irq_handler_t tosa_detect_int, void *data)
252 tosa_mci_platform_data.detect_delay = msecs_to_jiffies(250);
254 err = gpio_request(TOSA_GPIO_nSD_DETECT, "MMC/SD card detect");
256 printk(KERN_ERR "tosa_mci_init: can't request nSD_DETECT gpio\n");
257 goto err_gpio_detect;
259 err = gpio_direction_input(TOSA_GPIO_nSD_DETECT);
261 goto err_gpio_detect_dir;
263 err = request_irq(TOSA_IRQ_GPIO_nSD_DETECT, tosa_detect_int,
264 IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
265 "MMC/SD card detect", data);
267 printk(KERN_ERR "tosa_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
271 err = gpio_request(TOSA_GPIO_SD_WP, "SD Write Protect");
273 printk(KERN_ERR "tosa_mci_init: can't request SD_WP gpio\n");
276 err = gpio_direction_input(TOSA_GPIO_SD_WP);
278 goto err_gpio_wp_dir;
280 err = gpio_request(TOSA_GPIO_PWR_ON, "SD Power");
282 printk(KERN_ERR "tosa_mci_init: can't request SD_PWR gpio\n");
285 err = gpio_direction_output(TOSA_GPIO_PWR_ON, 0);
287 goto err_gpio_pwr_dir;
289 err = gpio_request(TOSA_GPIO_nSD_INT, "SD Int");
291 printk(KERN_ERR "tosa_mci_init: can't request SD_PWR gpio\n");
294 err = gpio_direction_input(TOSA_GPIO_nSD_INT);
296 goto err_gpio_int_dir;
301 gpio_free(TOSA_GPIO_nSD_INT);
304 gpio_free(TOSA_GPIO_PWR_ON);
307 gpio_free(TOSA_GPIO_SD_WP);
309 free_irq(TOSA_IRQ_GPIO_nSD_DETECT, data);
312 gpio_free(TOSA_GPIO_nSD_DETECT);
317 static void tosa_mci_setpower(struct device *dev, unsigned int vdd)
319 struct pxamci_platform_data* p_d = dev->platform_data;
321 if (( 1 << vdd) & p_d->ocr_mask) {
322 gpio_set_value(TOSA_GPIO_PWR_ON, 1);
324 gpio_set_value(TOSA_GPIO_PWR_ON, 0);
328 static int tosa_mci_get_ro(struct device *dev)
330 return gpio_get_value(TOSA_GPIO_SD_WP);
333 static void tosa_mci_exit(struct device *dev, void *data)
335 gpio_free(TOSA_GPIO_nSD_INT);
336 gpio_free(TOSA_GPIO_PWR_ON);
337 gpio_free(TOSA_GPIO_SD_WP);
338 free_irq(TOSA_IRQ_GPIO_nSD_DETECT, data);
339 gpio_free(TOSA_GPIO_nSD_DETECT);
342 static struct pxamci_platform_data tosa_mci_platform_data = {
343 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
344 .init = tosa_mci_init,
345 .get_ro = tosa_mci_get_ro,
346 .setpower = tosa_mci_setpower,
347 .exit = tosa_mci_exit,
353 static void tosa_irda_transceiver_mode(struct device *dev, int mode)
356 gpio_set_value(TOSA_GPIO_IR_POWERDWN, 0);
357 pxa2xx_transceiver_mode(dev, mode);
358 gpio_direction_output(TOSA_GPIO_IRDA_TX, 0);
360 pxa2xx_transceiver_mode(dev, mode);
361 gpio_set_value(TOSA_GPIO_IR_POWERDWN, 1);
365 static int tosa_irda_startup(struct device *dev)
369 ret = gpio_request(TOSA_GPIO_IRDA_TX, "IrDA TX");
372 ret = gpio_direction_output(TOSA_GPIO_IRDA_TX, 0);
376 ret = gpio_request(TOSA_GPIO_IR_POWERDWN, "IrDA powerdown");
380 ret = gpio_direction_output(TOSA_GPIO_IR_POWERDWN, 0);
384 tosa_irda_transceiver_mode(dev, IR_SIRMODE | IR_OFF);
389 gpio_free(TOSA_GPIO_IR_POWERDWN);
392 gpio_free(TOSA_GPIO_IRDA_TX);
397 static void tosa_irda_shutdown(struct device *dev)
399 tosa_irda_transceiver_mode(dev, IR_SIRMODE | IR_OFF);
400 gpio_free(TOSA_GPIO_IR_POWERDWN);
401 gpio_free(TOSA_GPIO_IRDA_TX);
404 static struct pxaficp_platform_data tosa_ficp_platform_data = {
405 .transceiver_cap = IR_SIRMODE | IR_OFF,
406 .transceiver_mode = tosa_irda_transceiver_mode,
407 .startup = tosa_irda_startup,
408 .shutdown = tosa_irda_shutdown,
414 static int tosa_power_init(struct device *dev)
416 int ret = gpio_request(TOSA_GPIO_AC_IN, "ac in");
420 ret = gpio_direction_input(TOSA_GPIO_AC_IN);
427 gpio_free(TOSA_GPIO_AC_IN);
432 static void tosa_power_exit(struct device *dev)
434 gpio_free(TOSA_GPIO_AC_IN);
437 static int tosa_power_ac_online(void)
439 return gpio_get_value(TOSA_GPIO_AC_IN) == 0;
442 static char *tosa_ac_supplied_to[] = {
448 static struct pda_power_pdata tosa_power_data = {
449 .init = tosa_power_init,
450 .is_ac_online = tosa_power_ac_online,
451 .exit = tosa_power_exit,
452 .supplied_to = tosa_ac_supplied_to,
453 .num_supplicants = ARRAY_SIZE(tosa_ac_supplied_to),
456 static struct resource tosa_power_resource[] = {
459 .start = gpio_to_irq(TOSA_GPIO_AC_IN),
460 .end = gpio_to_irq(TOSA_GPIO_AC_IN),
461 .flags = IORESOURCE_IRQ |
462 IORESOURCE_IRQ_HIGHEDGE |
463 IORESOURCE_IRQ_LOWEDGE,
467 static struct platform_device tosa_power_device = {
470 .dev.platform_data = &tosa_power_data,
471 .resource = tosa_power_resource,
472 .num_resources = ARRAY_SIZE(tosa_power_resource),
478 static struct platform_device tosakbd_device = {
479 .name = "tosa-keyboard",
483 static struct gpio_keys_button tosa_gpio_keys[] = {
485 * Two following keys are directly tied to "ON" button of tosa. Why?
486 * The first one can be used as a wakeup source, the second can't;
487 * also the first one is OR of ac_powered and on_button.
491 .code = KEY_RESERVED,
492 .gpio = TOSA_GPIO_POWERON,
500 .gpio = TOSA_GPIO_ON_KEY,
503 * can't be used as wakeup
510 .code = TOSA_KEY_RECORD,
511 .gpio = TOSA_GPIO_RECORD_BTN,
512 .desc = "Record Button",
518 .code = TOSA_KEY_SYNC,
519 .gpio = TOSA_GPIO_SYNC,
520 .desc = "Sync Button",
526 static struct gpio_keys_platform_data tosa_gpio_keys_platform_data = {
527 .buttons = tosa_gpio_keys,
528 .nbuttons = ARRAY_SIZE(tosa_gpio_keys),
531 static struct platform_device tosa_gpio_keys_device = {
535 .platform_data = &tosa_gpio_keys_platform_data,
542 static struct gpio_led tosa_gpio_leds[] = {
544 .name = "tosa:amber:charge",
545 .default_trigger = "main-battery-charging",
546 .gpio = TOSA_GPIO_CHRG_ERR_LED,
549 .name = "tosa:green:mail",
550 .default_trigger = "nand-disk",
551 .gpio = TOSA_GPIO_NOTE_LED,
554 .name = "tosa:dual:wlan",
555 .default_trigger = "none",
556 .gpio = TOSA_GPIO_WLAN_LED,
559 .name = "tosa:blue:bluetooth",
560 .default_trigger = "tosa-bt",
561 .gpio = TOSA_GPIO_BT_LED,
565 static struct gpio_led_platform_data tosa_gpio_leds_platform_data = {
566 .leds = tosa_gpio_leds,
567 .num_leds = ARRAY_SIZE(tosa_gpio_leds),
570 static struct platform_device tosaled_device = {
574 .platform_data = &tosa_gpio_leds_platform_data,
579 * Toshiba Mobile IO Controller
581 static struct resource tc6393xb_resources[] = {
583 .start = TOSA_LCDC_PHYS,
584 .end = TOSA_LCDC_PHYS + 0x3ffffff,
585 .flags = IORESOURCE_MEM,
589 .start = TOSA_IRQ_GPIO_TC6393XB_INT,
590 .end = TOSA_IRQ_GPIO_TC6393XB_INT,
591 .flags = IORESOURCE_IRQ,
596 static int tosa_tc6393xb_enable(struct platform_device *dev)
600 rc = gpio_request(TOSA_GPIO_TC6393XB_REST_IN, "tc6393xb #pclr");
603 rc = gpio_request(TOSA_GPIO_TC6393XB_SUSPEND, "tc6393xb #suspend");
605 goto err_req_suspend;
606 rc = gpio_request(TOSA_GPIO_TC6393XB_L3V_ON, "l3v");
609 rc = gpio_direction_output(TOSA_GPIO_TC6393XB_L3V_ON, 0);
612 rc = gpio_direction_output(TOSA_GPIO_TC6393XB_SUSPEND, 0);
614 goto err_dir_suspend;
615 rc = gpio_direction_output(TOSA_GPIO_TC6393XB_REST_IN, 0);
621 gpio_set_value(TOSA_GPIO_TC6393XB_SUSPEND, 1);
625 gpio_set_value(TOSA_GPIO_TC6393XB_REST_IN, 1);
626 gpio_set_value(TOSA_GPIO_TC6393XB_L3V_ON, 1);
632 gpio_free(TOSA_GPIO_TC6393XB_L3V_ON);
634 gpio_free(TOSA_GPIO_TC6393XB_SUSPEND);
636 gpio_free(TOSA_GPIO_TC6393XB_REST_IN);
641 static int tosa_tc6393xb_disable(struct platform_device *dev)
643 gpio_free(TOSA_GPIO_TC6393XB_L3V_ON);
644 gpio_free(TOSA_GPIO_TC6393XB_SUSPEND);
645 gpio_free(TOSA_GPIO_TC6393XB_REST_IN);
650 static int tosa_tc6393xb_resume(struct platform_device *dev)
652 gpio_set_value(TOSA_GPIO_TC6393XB_SUSPEND, 1);
654 gpio_set_value(TOSA_GPIO_TC6393XB_L3V_ON, 1);
660 static int tosa_tc6393xb_suspend(struct platform_device *dev)
662 gpio_set_value(TOSA_GPIO_TC6393XB_L3V_ON, 0);
663 gpio_set_value(TOSA_GPIO_TC6393XB_SUSPEND, 0);
667 static struct mtd_partition tosa_nand_partition[] = {
671 .size = 7 * 1024 * 1024,
675 .offset = MTDPART_OFS_APPEND,
676 .size = 28 * 1024 * 1024,
680 .offset = MTDPART_OFS_APPEND,
681 .size = MTDPART_SIZ_FULL,
685 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
687 static struct nand_bbt_descr tosa_tc6393xb_nand_bbt = {
691 .pattern = scan_ff_pattern
694 static struct tmio_nand_data tosa_tc6393xb_nand_config = {
695 .num_partitions = ARRAY_SIZE(tosa_nand_partition),
696 .partition = tosa_nand_partition,
697 .badblock_pattern = &tosa_tc6393xb_nand_bbt,
700 static struct tc6393xb_platform_data tosa_tc6393xb_setup = {
701 .scr_pll2cr = 0x0cc1,
704 TOSA_TC6393XB_GPIO_BIT(TOSA_GPIO_CARD_VCC_ON),
706 TOSA_TC6393XB_GPIO_BIT(TOSA_GPIO_CARD_VCC_ON),
708 .irq_base = IRQ_BOARD_START,
709 .gpio_base = TOSA_TC6393XB_GPIO_BASE,
711 .enable = tosa_tc6393xb_enable,
712 .disable = tosa_tc6393xb_disable,
713 .suspend = tosa_tc6393xb_suspend,
714 .resume = tosa_tc6393xb_resume,
716 .nand_data = &tosa_tc6393xb_nand_config,
720 static struct platform_device tc6393xb_device = {
724 .platform_data = &tosa_tc6393xb_setup,
726 .num_resources = ARRAY_SIZE(tc6393xb_resources),
727 .resource = tc6393xb_resources,
730 static struct tosa_bt_data tosa_bt_data = {
731 .gpio_pwr = TOSA_GPIO_BT_PWR_EN,
732 .gpio_reset = TOSA_GPIO_BT_RESET,
735 static struct platform_device tosa_bt_device = {
738 .dev.platform_data = &tosa_bt_data,
742 static struct platform_device *devices[] __initdata = {
744 &tosascoop_jc_device,
748 &tosa_gpio_keys_device,
753 static void tosa_poweroff(void)
755 arm_machine_restart('g');
758 static void tosa_restart(char mode)
760 /* Bootloader magic for a reboot */
761 if((MSC0 & 0xffff0000) == 0x7ff00000)
762 MSC0 = (MSC0 & 0xffff) | 0x7ee00000;
767 static void __init tosa_init(void)
771 pxa2xx_mfp_config(ARRAY_AND_SIZE(tosa_pin_config));
772 gpio_set_wake(MFP_PIN_GPIO1, 1);
773 /* We can't pass to gpio-keys since it will drop the Reset altfunc */
775 init_gpio_reset(TOSA_GPIO_ON_RESET);
777 pm_power_off = tosa_poweroff;
778 arm_pm_restart = tosa_restart;
782 /* enable batt_fault */
785 dummy = gpiochip_reserve(TOSA_SCOOP_GPIO_BASE, 12);
786 dummy = gpiochip_reserve(TOSA_SCOOP_JC_GPIO_BASE, 12);
787 dummy = gpiochip_reserve(TOSA_TC6393XB_GPIO_BASE, 16);
789 pxa_set_mci_info(&tosa_mci_platform_data);
790 pxa_set_udc_info(&udc_info);
791 pxa_set_ficp_info(&tosa_ficp_platform_data);
792 pxa_set_i2c_info(NULL);
793 platform_scoop_config = &tosa_pcmcia_config;
795 platform_add_devices(devices, ARRAY_SIZE(devices));
798 static void __init fixup_tosa(struct machine_desc *desc,
799 struct tag *tags, char **cmdline, struct meminfo *mi)
801 sharpsl_save_param();
803 mi->bank[0].start = 0xa0000000;
804 mi->bank[0].node = 0;
805 mi->bank[0].size = (64*1024*1024);
808 MACHINE_START(TOSA, "SHARP Tosa")
809 .phys_io = 0x40000000,
810 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
812 .map_io = pxa_map_io,
813 .init_irq = pxa25x_init_irq,
814 .init_machine = tosa_init,