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>
26 #include <linux/delay.h>
27 #include <linux/gpio_keys.h>
28 #include <linux/input.h>
29 #include <linux/gpio.h>
31 #include <asm/setup.h>
32 #include <asm/mach-types.h>
33 #include <asm/arch/pxa2xx-regs.h>
34 #include <asm/arch/mfp-pxa25x.h>
35 #include <asm/arch/irda.h>
36 #include <asm/arch/i2c.h>
37 #include <asm/arch/mmc.h>
38 #include <asm/arch/udc.h>
40 #include <asm/mach/arch.h>
41 #include <asm/arch/tosa.h>
43 #include <asm/hardware/scoop.h>
44 #include <asm/mach/sharpsl_param.h>
49 static unsigned long tosa_pin_config[] = {
50 GPIO78_nCS_2, /* Scoop */
51 GPIO80_nCS_4, /* tg6393xb */
52 GPIO33_nCS_5, /* Scoop */
54 // GPIO76 CARD_VCC_ON1
56 GPIO19_GPIO, /* Reset out */
57 GPIO1_RST | WAKEUP_ON_EDGE_FALL,
59 GPIO0_GPIO | WAKEUP_ON_EDGE_FALL, /* WAKE_UP */
60 GPIO2_GPIO | WAKEUP_ON_EDGE_BOTH, /* AC_IN */
61 GPIO3_GPIO | WAKEUP_ON_EDGE_FALL, /* RECORD */
62 GPIO4_GPIO | WAKEUP_ON_EDGE_FALL, /* SYNC */
63 GPIO20_GPIO, /* EAR_IN */
66 GPIO5_GPIO, /* USB_IN */
67 GPIO32_GPIO, /* Pen IRQ */
69 GPIO7_GPIO, /* Jacket Detect */
70 GPIO14_GPIO, /* BAT0_CRG */
71 GPIO12_GPIO, /* BAT1_CRG */
72 GPIO17_GPIO, /* BAT0_LOW */
73 GPIO84_GPIO, /* BAT1_LOW */
74 GPIO38_GPIO, /* BAT_LOCK */
77 GPIO15_GPIO, /* TC6393XB IRQ */
79 GPIO27_GPIO, /* LCD Sync */
84 GPIO9_GPIO, /* Detect */
85 GPIO10_GPIO, /* nSD_INT */
88 GPIO13_GPIO, /* CD_IRQ */
89 GPIO21_GPIO, /* Main Slot IRQ */
90 GPIO36_GPIO, /* Jacket Slot IRQ */
104 GPIO30_AC97_SDATA_OUT,
106 GPIO29_AC97_SDATA_IN_0,
124 GPIO58_GPIO | MFP_LPM_DRIVE_LOW,
125 GPIO59_GPIO | MFP_LPM_DRIVE_LOW,
126 GPIO60_GPIO | MFP_LPM_DRIVE_LOW,
127 GPIO61_GPIO | MFP_LPM_DRIVE_LOW,
128 GPIO62_GPIO | MFP_LPM_DRIVE_LOW,
129 GPIO63_GPIO | MFP_LPM_DRIVE_LOW,
130 GPIO64_GPIO | MFP_LPM_DRIVE_LOW,
131 GPIO65_GPIO | MFP_LPM_DRIVE_LOW,
132 GPIO66_GPIO | MFP_LPM_DRIVE_LOW,
133 GPIO67_GPIO | MFP_LPM_DRIVE_LOW,
134 GPIO68_GPIO | MFP_LPM_DRIVE_LOW,
135 GPIO69_GPIO | MFP_LPM_DRIVE_LOW,
136 GPIO70_GPIO | MFP_LPM_DRIVE_LOW,
137 GPIO71_GPIO | MFP_LPM_DRIVE_LOW,
138 GPIO72_GPIO | MFP_LPM_DRIVE_LOW,
139 GPIO73_GPIO | MFP_LPM_DRIVE_LOW,
140 GPIO74_GPIO | MFP_LPM_DRIVE_LOW,
141 GPIO75_GPIO | MFP_LPM_DRIVE_LOW,
149 static unsigned long tosa_pin_irda_off[] = {
151 GPIO47_GPIO | MFP_LPM_DRIVE_LOW,
154 static unsigned long tosa_pin_irda_on[] = {
163 static struct resource tosa_scoop_resources[] = {
165 .start = TOSA_CF_PHYS,
166 .end = TOSA_CF_PHYS + 0xfff,
167 .flags = IORESOURCE_MEM,
171 static struct scoop_config tosa_scoop_setup = {
172 .io_dir = TOSA_SCOOP_IO_DIR,
173 .gpio_base = TOSA_SCOOP_GPIO_BASE,
176 static struct platform_device tosascoop_device = {
177 .name = "sharp-scoop",
180 .platform_data = &tosa_scoop_setup,
182 .num_resources = ARRAY_SIZE(tosa_scoop_resources),
183 .resource = tosa_scoop_resources,
188 * SCOOP Device Jacket
190 static struct resource tosa_scoop_jc_resources[] = {
192 .start = TOSA_SCOOP_PHYS + 0x40,
193 .end = TOSA_SCOOP_PHYS + 0xfff,
194 .flags = IORESOURCE_MEM,
198 static struct scoop_config tosa_scoop_jc_setup = {
199 .io_dir = TOSA_SCOOP_JC_IO_DIR,
200 .gpio_base = TOSA_SCOOP_JC_GPIO_BASE,
203 static struct platform_device tosascoop_jc_device = {
204 .name = "sharp-scoop",
207 .platform_data = &tosa_scoop_jc_setup,
208 .parent = &tosascoop_device.dev,
210 .num_resources = ARRAY_SIZE(tosa_scoop_jc_resources),
211 .resource = tosa_scoop_jc_resources,
217 static struct scoop_pcmcia_dev tosa_pcmcia_scoop[] = {
219 .dev = &tosascoop_device.dev,
220 .irq = TOSA_IRQ_GPIO_CF_IRQ,
221 .cd_irq = TOSA_IRQ_GPIO_CF_CD,
222 .cd_irq_str = "PCMCIA0 CD",
224 .dev = &tosascoop_jc_device.dev,
225 .irq = TOSA_IRQ_GPIO_JC_CF_IRQ,
230 static struct scoop_pcmcia_config tosa_pcmcia_config = {
231 .devs = &tosa_pcmcia_scoop[0],
236 * USB Device Controller
238 static struct pxa2xx_udc_mach_info udc_info __initdata = {
239 .gpio_pullup = TOSA_GPIO_USB_PULLUP,
240 .gpio_vbus = TOSA_GPIO_USB_IN,
241 .gpio_vbus_inverted = 1,
247 static struct pxamci_platform_data tosa_mci_platform_data;
249 static int tosa_mci_init(struct device *dev, irq_handler_t tosa_detect_int, void *data)
253 tosa_mci_platform_data.detect_delay = msecs_to_jiffies(250);
255 err = gpio_request(TOSA_GPIO_nSD_DETECT, "MMC/SD card detect");
257 printk(KERN_ERR "tosa_mci_init: can't request nSD_DETECT gpio\n");
258 goto err_gpio_detect;
260 err = gpio_direction_input(TOSA_GPIO_nSD_DETECT);
262 goto err_gpio_detect_dir;
264 err = request_irq(TOSA_IRQ_GPIO_nSD_DETECT, tosa_detect_int,
265 IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
266 "MMC/SD card detect", data);
268 printk(KERN_ERR "tosa_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
272 err = gpio_request(TOSA_GPIO_SD_WP, "SD Write Protect");
274 printk(KERN_ERR "tosa_mci_init: can't request SD_WP gpio\n");
277 err = gpio_direction_input(TOSA_GPIO_SD_WP);
279 goto err_gpio_wp_dir;
281 err = gpio_request(TOSA_GPIO_PWR_ON, "SD Power");
283 printk(KERN_ERR "tosa_mci_init: can't request SD_PWR gpio\n");
286 err = gpio_direction_output(TOSA_GPIO_PWR_ON, 0);
288 goto err_gpio_pwr_dir;
290 err = gpio_request(TOSA_GPIO_nSD_INT, "SD Int");
292 printk(KERN_ERR "tosa_mci_init: can't request SD_PWR gpio\n");
295 err = gpio_direction_input(TOSA_GPIO_nSD_INT);
297 goto err_gpio_int_dir;
302 gpio_free(TOSA_GPIO_nSD_INT);
305 gpio_free(TOSA_GPIO_PWR_ON);
308 gpio_free(TOSA_GPIO_SD_WP);
310 free_irq(TOSA_IRQ_GPIO_nSD_DETECT, data);
313 gpio_free(TOSA_GPIO_nSD_DETECT);
318 static void tosa_mci_setpower(struct device *dev, unsigned int vdd)
320 struct pxamci_platform_data* p_d = dev->platform_data;
322 if (( 1 << vdd) & p_d->ocr_mask) {
323 gpio_set_value(TOSA_GPIO_PWR_ON, 1);
325 gpio_set_value(TOSA_GPIO_PWR_ON, 0);
329 static int tosa_mci_get_ro(struct device *dev)
331 return gpio_get_value(TOSA_GPIO_SD_WP);
334 static void tosa_mci_exit(struct device *dev, void *data)
336 gpio_free(TOSA_GPIO_nSD_INT);
337 gpio_free(TOSA_GPIO_PWR_ON);
338 gpio_free(TOSA_GPIO_SD_WP);
339 free_irq(TOSA_IRQ_GPIO_nSD_DETECT, data);
340 gpio_free(TOSA_GPIO_nSD_DETECT);
343 static struct pxamci_platform_data tosa_mci_platform_data = {
344 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
345 .init = tosa_mci_init,
346 .get_ro = tosa_mci_get_ro,
347 .setpower = tosa_mci_setpower,
348 .exit = tosa_mci_exit,
354 static void tosa_irda_transceiver_mode(struct device *dev, int mode)
357 gpio_set_value(TOSA_GPIO_IR_POWERDWN, 0);
358 pxa2xx_mfp_config(ARRAY_AND_SIZE(tosa_pin_irda_off));
359 gpio_direction_output(TOSA_GPIO_IRDA_TX, 0);
361 pxa2xx_mfp_config(ARRAY_AND_SIZE(tosa_pin_irda_on));
362 gpio_set_value(TOSA_GPIO_IR_POWERDWN, 1);
366 static int tosa_irda_startup(struct device *dev)
370 ret = gpio_request(TOSA_GPIO_IRDA_TX, "IrDA TX");
373 ret = gpio_direction_output(TOSA_GPIO_IRDA_TX, 0);
377 ret = gpio_request(TOSA_GPIO_IR_POWERDWN, "IrDA powerdown");
381 ret = gpio_direction_output(TOSA_GPIO_IR_POWERDWN, 0);
385 tosa_irda_transceiver_mode(dev, IR_SIRMODE | IR_OFF);
390 gpio_free(TOSA_GPIO_IR_POWERDWN);
393 gpio_free(TOSA_GPIO_IRDA_TX);
398 static void tosa_irda_shutdown(struct device *dev)
400 tosa_irda_transceiver_mode(dev, IR_SIRMODE | IR_OFF);
401 gpio_free(TOSA_GPIO_IR_POWERDWN);
402 gpio_free(TOSA_GPIO_IRDA_TX);
405 static struct pxaficp_platform_data tosa_ficp_platform_data = {
406 .transceiver_cap = IR_SIRMODE | IR_OFF,
407 .transceiver_mode = tosa_irda_transceiver_mode,
408 .startup = tosa_irda_startup,
409 .shutdown = tosa_irda_shutdown,
415 static struct platform_device tosakbd_device = {
416 .name = "tosa-keyboard",
420 static struct gpio_keys_button tosa_gpio_keys[] = {
422 * Two following keys are directly tied to "ON" button of tosa. Why?
423 * The first one can be used as a wakeup source, the second can't;
424 * also the first one is OR of ac_powered and on_button.
428 .code = KEY_RESERVED,
429 .gpio = TOSA_GPIO_POWERON,
437 .gpio = TOSA_GPIO_ON_KEY,
440 * can't be used as wakeup
447 .code = TOSA_KEY_RECORD,
448 .gpio = TOSA_GPIO_RECORD_BTN,
449 .desc = "Record Button",
455 .code = TOSA_KEY_SYNC,
456 .gpio = TOSA_GPIO_SYNC,
457 .desc = "Sync Button",
463 static struct gpio_keys_platform_data tosa_gpio_keys_platform_data = {
464 .buttons = tosa_gpio_keys,
465 .nbuttons = ARRAY_SIZE(tosa_gpio_keys),
468 static struct platform_device tosa_gpio_keys_device = {
472 .platform_data = &tosa_gpio_keys_platform_data,
479 static struct gpio_led tosa_gpio_leds[] = {
481 .name = "tosa:amber:charge",
482 .default_trigger = "main-battery-charging",
483 .gpio = TOSA_GPIO_CHRG_ERR_LED,
486 .name = "tosa:green:mail",
487 .default_trigger = "nand-disk",
488 .gpio = TOSA_GPIO_NOTE_LED,
491 .name = "tosa:dual:wlan",
492 .default_trigger = "none",
493 .gpio = TOSA_GPIO_WLAN_LED,
496 .name = "tosa:blue:bluetooth",
497 .default_trigger = "none",
498 .gpio = TOSA_GPIO_BT_LED,
502 static struct gpio_led_platform_data tosa_gpio_leds_platform_data = {
503 .leds = tosa_gpio_leds,
504 .num_leds = ARRAY_SIZE(tosa_gpio_leds),
507 static struct platform_device tosaled_device = {
511 .platform_data = &tosa_gpio_leds_platform_data,
516 * Toshiba Mobile IO Controller
518 static struct resource tc6393xb_resources[] = {
520 .start = TOSA_LCDC_PHYS,
521 .end = TOSA_LCDC_PHYS + 0x3ffffff,
522 .flags = IORESOURCE_MEM,
526 .start = TOSA_IRQ_GPIO_TC6393XB_INT,
527 .end = TOSA_IRQ_GPIO_TC6393XB_INT,
528 .flags = IORESOURCE_IRQ,
533 static int tosa_tc6393xb_enable(struct platform_device *dev)
537 rc = gpio_request(TOSA_GPIO_TC6393XB_REST_IN, "tc6393xb #pclr");
540 rc = gpio_request(TOSA_GPIO_TC6393XB_SUSPEND, "tc6393xb #suspend");
542 goto err_req_suspend;
543 rc = gpio_request(TOSA_GPIO_TC6393XB_L3V_ON, "l3v");
546 rc = gpio_direction_output(TOSA_GPIO_TC6393XB_L3V_ON, 0);
549 rc = gpio_direction_output(TOSA_GPIO_TC6393XB_SUSPEND, 0);
551 goto err_dir_suspend;
552 rc = gpio_direction_output(TOSA_GPIO_TC6393XB_REST_IN, 0);
558 gpio_set_value(TOSA_GPIO_TC6393XB_SUSPEND, 1);
562 gpio_set_value(TOSA_GPIO_TC6393XB_REST_IN, 1);
563 gpio_set_value(TOSA_GPIO_TC6393XB_L3V_ON, 1);
569 gpio_free(TOSA_GPIO_TC6393XB_L3V_ON);
571 gpio_free(TOSA_GPIO_TC6393XB_SUSPEND);
573 gpio_free(TOSA_GPIO_TC6393XB_REST_IN);
578 static int tosa_tc6393xb_disable(struct platform_device *dev)
580 gpio_free(TOSA_GPIO_TC6393XB_L3V_ON);
581 gpio_free(TOSA_GPIO_TC6393XB_SUSPEND);
582 gpio_free(TOSA_GPIO_TC6393XB_REST_IN);
587 static int tosa_tc6393xb_resume(struct platform_device *dev)
589 gpio_set_value(TOSA_GPIO_TC6393XB_SUSPEND, 1);
591 gpio_set_value(TOSA_GPIO_TC6393XB_L3V_ON, 1);
597 static int tosa_tc6393xb_suspend(struct platform_device *dev)
599 gpio_set_value(TOSA_GPIO_TC6393XB_L3V_ON, 0);
600 gpio_set_value(TOSA_GPIO_TC6393XB_SUSPEND, 0);
604 static struct tc6393xb_platform_data tosa_tc6393xb_setup = {
605 .scr_pll2cr = 0x0cc1,
608 TOSA_TC6393XB_GPIO_BIT(TOSA_GPIO_CARD_VCC_ON),
610 TOSA_TC6393XB_GPIO_BIT(TOSA_GPIO_CARD_VCC_ON),
612 .irq_base = IRQ_BOARD_START,
613 .gpio_base = TOSA_TC6393XB_GPIO_BASE,
615 .enable = tosa_tc6393xb_enable,
616 .disable = tosa_tc6393xb_disable,
617 .suspend = tosa_tc6393xb_suspend,
618 .resume = tosa_tc6393xb_resume,
622 static struct platform_device tc6393xb_device = {
626 .platform_data = &tosa_tc6393xb_setup,
628 .num_resources = ARRAY_SIZE(tc6393xb_resources),
629 .resource = tc6393xb_resources,
632 static struct platform_device *devices[] __initdata = {
634 &tosascoop_jc_device,
637 &tosa_gpio_keys_device,
641 static void tosa_poweroff(void)
643 arm_machine_restart('g');
646 static void tosa_restart(char mode)
648 /* Bootloader magic for a reboot */
649 if((MSC0 & 0xffff0000) == 0x7ff00000)
650 MSC0 = (MSC0 & 0xffff) | 0x7ee00000;
655 static void __init tosa_init(void)
659 pxa2xx_mfp_config(ARRAY_AND_SIZE(tosa_pin_config));
660 pxa2xx_mfp_config(ARRAY_AND_SIZE(tosa_pin_irda_off));
661 gpio_set_wake(MFP_PIN_GPIO1, 1);
662 /* We can't pass to gpio-keys since it will drop the Reset altfunc */
664 init_gpio_reset(TOSA_GPIO_ON_RESET);
666 pm_power_off = tosa_poweroff;
667 arm_pm_restart = tosa_restart;
671 /* enable batt_fault */
674 dummy = gpiochip_reserve(TOSA_SCOOP_GPIO_BASE, 12);
675 dummy = gpiochip_reserve(TOSA_SCOOP_JC_GPIO_BASE, 12);
676 dummy = gpiochip_reserve(TOSA_TC6393XB_GPIO_BASE, 16);
678 pxa_set_mci_info(&tosa_mci_platform_data);
679 pxa_set_udc_info(&udc_info);
680 pxa_set_ficp_info(&tosa_ficp_platform_data);
681 pxa_set_i2c_info(NULL);
682 platform_scoop_config = &tosa_pcmcia_config;
684 platform_add_devices(devices, ARRAY_SIZE(devices));
687 static void __init fixup_tosa(struct machine_desc *desc,
688 struct tag *tags, char **cmdline, struct meminfo *mi)
690 sharpsl_save_param();
692 mi->bank[0].start = 0xa0000000;
693 mi->bank[0].node = 0;
694 mi->bank[0].size = (64*1024*1024);
697 MACHINE_START(TOSA, "SHARP Tosa")
698 .phys_io = 0x40000000,
699 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
701 .map_io = pxa_map_io,
702 .init_irq = pxa25x_init_irq,
703 .init_machine = tosa_init,