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/mmc/host.h>
23 #include <linux/delay.h>
24 #include <linux/gpio_keys.h>
25 #include <linux/input.h>
26 #include <linux/gpio.h>
27 #include <linux/reboot.h>
29 #include <asm/setup.h>
30 #include <asm/memory.h>
31 #include <asm/mach-types.h>
32 #include <asm/hardware.h>
34 #include <asm/system.h>
35 #include <asm/arch/pxa-regs.h>
36 #include <asm/arch/pxa2xx-regs.h>
37 #include <asm/arch/mfp-pxa25x.h>
38 #include <asm/arch/irda.h>
39 #include <asm/arch/i2c.h>
40 #include <asm/arch/mmc.h>
41 #include <asm/arch/udc.h>
43 #include <asm/mach/arch.h>
44 #include <asm/mach/map.h>
45 #include <asm/mach/irq.h>
46 #include <asm/arch/tosa.h>
48 #include <asm/hardware/scoop.h>
49 #include <asm/mach/sharpsl_param.h>
54 static unsigned long tosa_pin_config[] = {
55 GPIO78_nCS_2, /* Scoop */
56 GPIO80_nCS_4, /* tg6393xb */
57 GPIO33_nCS_5, /* Scoop */
59 // GPIO76 CARD_VCC_ON1
61 GPIO19_GPIO, /* Reset out */
62 GPIO1_RST | WAKEUP_ON_EDGE_FALL,
64 GPIO0_GPIO | WAKEUP_ON_EDGE_FALL, /* WAKE_UP */
65 GPIO2_GPIO | WAKEUP_ON_EDGE_BOTH, /* AC_IN */
66 GPIO3_GPIO | WAKEUP_ON_EDGE_FALL, /* RECORD */
67 GPIO4_GPIO | WAKEUP_ON_EDGE_FALL, /* SYNC */
68 GPIO20_GPIO, /* EAR_IN */
71 GPIO5_GPIO, /* USB_IN */
72 GPIO32_GPIO, /* Pen IRQ */
74 GPIO7_GPIO, /* Jacket Detect */
75 GPIO14_GPIO, /* BAT0_CRG */
76 GPIO12_GPIO, /* BAT1_CRG */
77 GPIO17_GPIO, /* BAT0_LOW */
78 GPIO84_GPIO, /* BAT1_LOW */
79 GPIO38_GPIO, /* BAT_LOCK */
82 GPIO15_GPIO, /* TC6393XB IRQ */
84 GPIO27_GPIO, /* LCD Sync */
89 GPIO9_GPIO, /* Detect */
90 GPIO10_GPIO, /* nSD_INT */
93 GPIO13_GPIO, /* CD_IRQ */
94 GPIO21_GPIO, /* Main Slot IRQ */
95 GPIO36_GPIO, /* Jacket Slot IRQ */
109 GPIO30_AC97_SDATA_OUT,
111 GPIO29_AC97_SDATA_IN_0,
133 GPIO58_GPIO | MFP_LPM_DRIVE_LOW,
134 GPIO59_GPIO | MFP_LPM_DRIVE_LOW,
135 GPIO60_GPIO | MFP_LPM_DRIVE_LOW,
136 GPIO61_GPIO | MFP_LPM_DRIVE_LOW,
137 GPIO62_GPIO | MFP_LPM_DRIVE_LOW,
138 GPIO63_GPIO | MFP_LPM_DRIVE_LOW,
139 GPIO64_GPIO | MFP_LPM_DRIVE_LOW,
140 GPIO65_GPIO | MFP_LPM_DRIVE_LOW,
141 GPIO66_GPIO | MFP_LPM_DRIVE_LOW,
142 GPIO67_GPIO | MFP_LPM_DRIVE_LOW,
143 GPIO68_GPIO | MFP_LPM_DRIVE_LOW,
144 GPIO69_GPIO | MFP_LPM_DRIVE_LOW,
145 GPIO70_GPIO | MFP_LPM_DRIVE_LOW,
146 GPIO71_GPIO | MFP_LPM_DRIVE_LOW,
147 GPIO72_GPIO | MFP_LPM_DRIVE_LOW,
148 GPIO73_GPIO | MFP_LPM_DRIVE_LOW,
149 GPIO74_GPIO | MFP_LPM_DRIVE_LOW,
150 GPIO75_GPIO | MFP_LPM_DRIVE_LOW,
161 static struct resource tosa_scoop_resources[] = {
163 .start = TOSA_CF_PHYS,
164 .end = TOSA_CF_PHYS + 0xfff,
165 .flags = IORESOURCE_MEM,
169 static struct scoop_config tosa_scoop_setup = {
170 .io_dir = TOSA_SCOOP_IO_DIR,
171 .gpio_base = TOSA_SCOOP_GPIO_BASE,
174 static struct platform_device tosascoop_device = {
175 .name = "sharp-scoop",
178 .platform_data = &tosa_scoop_setup,
180 .num_resources = ARRAY_SIZE(tosa_scoop_resources),
181 .resource = tosa_scoop_resources,
186 * SCOOP Device Jacket
188 static struct resource tosa_scoop_jc_resources[] = {
190 .start = TOSA_SCOOP_PHYS + 0x40,
191 .end = TOSA_SCOOP_PHYS + 0xfff,
192 .flags = IORESOURCE_MEM,
196 static struct scoop_config tosa_scoop_jc_setup = {
197 .io_dir = TOSA_SCOOP_JC_IO_DIR,
198 .gpio_base = TOSA_SCOOP_JC_GPIO_BASE,
201 static struct platform_device tosascoop_jc_device = {
202 .name = "sharp-scoop",
205 .platform_data = &tosa_scoop_jc_setup,
206 .parent = &tosascoop_device.dev,
208 .num_resources = ARRAY_SIZE(tosa_scoop_jc_resources),
209 .resource = tosa_scoop_jc_resources,
215 static struct scoop_pcmcia_dev tosa_pcmcia_scoop[] = {
217 .dev = &tosascoop_device.dev,
218 .irq = TOSA_IRQ_GPIO_CF_IRQ,
219 .cd_irq = TOSA_IRQ_GPIO_CF_CD,
220 .cd_irq_str = "PCMCIA0 CD",
222 .dev = &tosascoop_jc_device.dev,
223 .irq = TOSA_IRQ_GPIO_JC_CF_IRQ,
228 static struct scoop_pcmcia_config tosa_pcmcia_config = {
229 .devs = &tosa_pcmcia_scoop[0],
234 * USB Device Controller
236 static struct pxa2xx_udc_mach_info udc_info __initdata = {
237 .gpio_pullup = TOSA_GPIO_USB_PULLUP,
238 .gpio_vbus = TOSA_GPIO_USB_IN,
239 .gpio_vbus_inverted = 1,
245 static struct pxamci_platform_data tosa_mci_platform_data;
247 static int tosa_mci_init(struct device *dev, irq_handler_t tosa_detect_int, void *data)
251 tosa_mci_platform_data.detect_delay = msecs_to_jiffies(250);
253 err = gpio_request(TOSA_GPIO_nSD_DETECT, "MMC/SD card detect");
255 printk(KERN_ERR "tosa_mci_init: can't request nSD_DETECT gpio\n");
256 goto err_gpio_detect;
258 err = gpio_direction_input(TOSA_GPIO_nSD_DETECT);
260 goto err_gpio_detect_dir;
262 err = request_irq(TOSA_IRQ_GPIO_nSD_DETECT, tosa_detect_int,
263 IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
264 "MMC/SD card detect", data);
266 printk(KERN_ERR "tosa_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
270 err = gpio_request(TOSA_GPIO_SD_WP, "SD Write Protect");
272 printk(KERN_ERR "tosa_mci_init: can't request SD_WP gpio\n");
275 err = gpio_direction_input(TOSA_GPIO_SD_WP);
277 goto err_gpio_wp_dir;
279 err = gpio_request(TOSA_GPIO_PWR_ON, "SD Power");
281 printk(KERN_ERR "tosa_mci_init: can't request SD_PWR gpio\n");
284 err = gpio_direction_output(TOSA_GPIO_PWR_ON, 0);
286 goto err_gpio_pwr_dir;
288 err = gpio_request(TOSA_GPIO_nSD_INT, "SD Int");
290 printk(KERN_ERR "tosa_mci_init: can't request SD_PWR gpio\n");
293 err = gpio_direction_input(TOSA_GPIO_nSD_INT);
295 goto err_gpio_int_dir;
300 gpio_free(TOSA_GPIO_nSD_INT);
303 gpio_free(TOSA_GPIO_PWR_ON);
306 gpio_free(TOSA_GPIO_SD_WP);
308 free_irq(TOSA_IRQ_GPIO_nSD_DETECT, data);
311 gpio_free(TOSA_GPIO_nSD_DETECT);
316 static void tosa_mci_setpower(struct device *dev, unsigned int vdd)
318 struct pxamci_platform_data* p_d = dev->platform_data;
320 if (( 1 << vdd) & p_d->ocr_mask) {
321 gpio_set_value(TOSA_GPIO_PWR_ON, 1);
323 gpio_set_value(TOSA_GPIO_PWR_ON, 0);
327 static int tosa_mci_get_ro(struct device *dev)
329 return gpio_get_value(TOSA_GPIO_SD_WP);
332 static void tosa_mci_exit(struct device *dev, void *data)
334 gpio_free(TOSA_GPIO_nSD_INT);
335 gpio_free(TOSA_GPIO_PWR_ON);
336 gpio_free(TOSA_GPIO_SD_WP);
337 free_irq(TOSA_IRQ_GPIO_nSD_DETECT, data);
338 gpio_free(TOSA_GPIO_nSD_DETECT);
341 static struct pxamci_platform_data tosa_mci_platform_data = {
342 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
343 .init = tosa_mci_init,
344 .get_ro = tosa_mci_get_ro,
345 .setpower = tosa_mci_setpower,
346 .exit = tosa_mci_exit,
352 static int tosa_irda_startup(struct device *dev)
356 ret = gpio_request(TOSA_GPIO_IR_POWERDWN, "IrDA powerdown");
360 ret = gpio_direction_output(TOSA_GPIO_IR_POWERDWN, 0);
362 gpio_free(TOSA_GPIO_IR_POWERDWN);
367 static void tosa_irda_shutdown(struct device *dev)
369 gpio_free(TOSA_GPIO_IR_POWERDWN);
372 static void tosa_irda_transceiver_mode(struct device *dev, int mode)
374 gpio_set_value(TOSA_GPIO_IR_POWERDWN, !(mode & IR_OFF));
377 static struct pxaficp_platform_data tosa_ficp_platform_data = {
378 .transceiver_cap = IR_SIRMODE | IR_OFF,
379 .transceiver_mode = tosa_irda_transceiver_mode,
380 .startup = tosa_irda_startup,
381 .shutdown = tosa_irda_shutdown,
387 static struct platform_device tosakbd_device = {
388 .name = "tosa-keyboard",
392 static struct gpio_keys_button tosa_gpio_keys[] = {
394 * Two following keys are directly tied to "ON" button of tosa. Why?
395 * The first one can be used as a wakeup source, the second can't;
396 * also the first one is OR of ac_powered and on_button.
400 .code = KEY_RESERVED,
401 .gpio = TOSA_GPIO_POWERON,
409 .gpio = TOSA_GPIO_ON_KEY,
412 * can't be used as wakeup
419 .code = TOSA_KEY_RECORD,
420 .gpio = TOSA_GPIO_RECORD_BTN,
421 .desc = "Record Button",
427 .code = TOSA_KEY_SYNC,
428 .gpio = TOSA_GPIO_SYNC,
429 .desc = "Sync Button",
435 static struct gpio_keys_platform_data tosa_gpio_keys_platform_data = {
436 .buttons = tosa_gpio_keys,
437 .nbuttons = ARRAY_SIZE(tosa_gpio_keys),
440 static struct platform_device tosa_gpio_keys_device = {
444 .platform_data = &tosa_gpio_keys_platform_data,
451 static struct gpio_led tosa_gpio_leds[] = {
453 .name = "tosa:amber:charge",
454 .default_trigger = "main-battery-charging",
455 .gpio = TOSA_GPIO_CHRG_ERR_LED,
458 .name = "tosa:green:mail",
459 .default_trigger = "nand-disk",
460 .gpio = TOSA_GPIO_NOTE_LED,
463 .name = "tosa:dual:wlan",
464 .default_trigger = "none",
465 .gpio = TOSA_GPIO_WLAN_LED,
468 .name = "tosa:blue:bluetooth",
469 .default_trigger = "none",
470 .gpio = TOSA_GPIO_BT_LED,
474 static struct gpio_led_platform_data tosa_gpio_leds_platform_data = {
475 .leds = tosa_gpio_leds,
476 .num_leds = ARRAY_SIZE(tosa_gpio_leds),
479 static struct platform_device tosaled_device = {
483 .platform_data = &tosa_gpio_leds_platform_data,
487 static struct platform_device *devices[] __initdata = {
489 &tosascoop_jc_device,
491 &tosa_gpio_keys_device,
495 static void tosa_poweroff(void)
497 arm_machine_restart('g');
500 static void tosa_restart(char mode)
502 /* Bootloader magic for a reboot */
503 if((MSC0 & 0xffff0000) == 0x7ff00000)
504 MSC0 = (MSC0 & 0xffff) | 0x7ee00000;
509 static void __init tosa_init(void)
511 pxa2xx_mfp_config(ARRAY_AND_SIZE(tosa_pin_config));
512 gpio_set_wake(MFP_PIN_GPIO1, 1);
513 /* We can't pass to gpio-keys since it will drop the Reset altfunc */
515 init_gpio_reset(TOSA_GPIO_ON_RESET);
517 pm_power_off = tosa_poweroff;
518 arm_pm_restart = tosa_restart;
522 /* enable batt_fault */
525 pxa_set_mci_info(&tosa_mci_platform_data);
526 pxa_set_udc_info(&udc_info);
527 pxa_set_ficp_info(&tosa_ficp_platform_data);
528 pxa_set_i2c_info(NULL);
529 platform_scoop_config = &tosa_pcmcia_config;
531 platform_add_devices(devices, ARRAY_SIZE(devices));
534 static void __init fixup_tosa(struct machine_desc *desc,
535 struct tag *tags, char **cmdline, struct meminfo *mi)
537 sharpsl_save_param();
539 mi->bank[0].start = 0xa0000000;
540 mi->bank[0].node = 0;
541 mi->bank[0].size = (64*1024*1024);
544 MACHINE_START(TOSA, "SHARP Tosa")
545 .phys_io = 0x40000000,
546 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
548 .map_io = pxa_map_io,
549 .init_irq = pxa25x_init_irq,
550 .init_machine = tosa_init,