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>
28 #include <asm/setup.h>
29 #include <asm/memory.h>
30 #include <asm/mach-types.h>
31 #include <asm/hardware.h>
33 #include <asm/system.h>
34 #include <asm/arch/pxa-regs.h>
35 #include <asm/arch/pxa2xx-regs.h>
36 #include <asm/arch/mfp-pxa25x.h>
37 #include <asm/arch/irda.h>
38 #include <asm/arch/i2c.h>
39 #include <asm/arch/mmc.h>
40 #include <asm/arch/udc.h>
42 #include <asm/mach/arch.h>
43 #include <asm/mach/map.h>
44 #include <asm/mach/irq.h>
45 #include <asm/arch/tosa.h>
47 #include <asm/hardware/scoop.h>
48 #include <asm/mach/sharpsl_param.h>
53 static unsigned long tosa_pin_config[] = {
54 GPIO78_nCS_2, /* Scoop */
55 GPIO80_nCS_4, /* tg6393xb */
56 GPIO33_nCS_5, /* Scoop */
58 // GPIO76 CARD_VCC_ON1
60 GPIO19_GPIO, /* Reset out */
61 GPIO1_RST | WAKEUP_ON_EDGE_FALL,
63 GPIO0_GPIO | WAKEUP_ON_EDGE_FALL, /* WAKE_UP */
64 GPIO2_GPIO | WAKEUP_ON_EDGE_BOTH, /* AC_IN */
65 GPIO3_GPIO | WAKEUP_ON_EDGE_FALL, /* RECORD */
66 GPIO4_GPIO | WAKEUP_ON_EDGE_FALL, /* SYNC */
67 GPIO20_GPIO, /* EAR_IN */
70 GPIO5_GPIO, /* USB_IN */
71 GPIO32_GPIO, /* Pen IRQ */
73 GPIO7_GPIO, /* Jacket Detect */
74 GPIO14_GPIO, /* BAT0_CRG */
75 GPIO12_GPIO, /* BAT1_CRG */
76 GPIO17_GPIO, /* BAT0_LOW */
77 GPIO84_GPIO, /* BAT1_LOW */
78 GPIO38_GPIO, /* BAT_LOCK */
81 GPIO15_GPIO, /* TC6393XB IRQ */
83 GPIO27_GPIO, /* LCD Sync */
88 GPIO9_GPIO, /* Detect */
92 GPIO13_GPIO, /* CD_IRQ */
93 GPIO21_GPIO, /* Main Slot IRQ */
94 GPIO36_GPIO, /* Jacket Slot IRQ */
108 GPIO30_AC97_SDATA_OUT,
110 GPIO29_AC97_SDATA_IN_0,
160 static struct resource tosa_scoop_resources[] = {
162 .start = TOSA_CF_PHYS,
163 .end = TOSA_CF_PHYS + 0xfff,
164 .flags = IORESOURCE_MEM,
168 static struct scoop_config tosa_scoop_setup = {
169 .io_dir = TOSA_SCOOP_IO_DIR,
170 .gpio_base = TOSA_SCOOP_GPIO_BASE,
173 static struct platform_device tosascoop_device = {
174 .name = "sharp-scoop",
177 .platform_data = &tosa_scoop_setup,
179 .num_resources = ARRAY_SIZE(tosa_scoop_resources),
180 .resource = tosa_scoop_resources,
185 * SCOOP Device Jacket
187 static struct resource tosa_scoop_jc_resources[] = {
189 .start = TOSA_SCOOP_PHYS + 0x40,
190 .end = TOSA_SCOOP_PHYS + 0xfff,
191 .flags = IORESOURCE_MEM,
195 static struct scoop_config tosa_scoop_jc_setup = {
196 .io_dir = TOSA_SCOOP_JC_IO_DIR,
197 .gpio_base = TOSA_SCOOP_JC_GPIO_BASE,
200 static struct platform_device tosascoop_jc_device = {
201 .name = "sharp-scoop",
204 .platform_data = &tosa_scoop_jc_setup,
205 .parent = &tosascoop_device.dev,
207 .num_resources = ARRAY_SIZE(tosa_scoop_jc_resources),
208 .resource = tosa_scoop_jc_resources,
214 static struct scoop_pcmcia_dev tosa_pcmcia_scoop[] = {
216 .dev = &tosascoop_device.dev,
217 .irq = TOSA_IRQ_GPIO_CF_IRQ,
218 .cd_irq = TOSA_IRQ_GPIO_CF_CD,
219 .cd_irq_str = "PCMCIA0 CD",
221 .dev = &tosascoop_jc_device.dev,
222 .irq = TOSA_IRQ_GPIO_JC_CF_IRQ,
227 static struct scoop_pcmcia_config tosa_pcmcia_config = {
228 .devs = &tosa_pcmcia_scoop[0],
233 * USB Device Controller
235 static struct pxa2xx_udc_mach_info udc_info __initdata = {
236 .gpio_pullup = TOSA_GPIO_USB_PULLUP,
237 .gpio_vbus = TOSA_GPIO_USB_IN,
238 .gpio_vbus_inverted = 1,
244 static struct pxamci_platform_data tosa_mci_platform_data;
246 static int tosa_mci_init(struct device *dev, irq_handler_t tosa_detect_int, void *data)
250 tosa_mci_platform_data.detect_delay = msecs_to_jiffies(250);
252 err = request_irq(TOSA_IRQ_GPIO_nSD_DETECT, tosa_detect_int,
253 IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
254 "MMC/SD card detect", data);
256 printk(KERN_ERR "tosa_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
260 err = gpio_request(TOSA_GPIO_SD_WP, "sd_wp");
262 printk(KERN_ERR "tosa_mci_init: can't request SD_WP gpio\n");
265 err = gpio_direction_input(TOSA_GPIO_SD_WP);
267 goto err_gpio_wp_dir;
269 err = gpio_request(TOSA_GPIO_PWR_ON, "sd_pwr");
271 printk(KERN_ERR "tosa_mci_init: can't request SD_PWR gpio\n");
274 err = gpio_direction_output(TOSA_GPIO_PWR_ON, 0);
276 goto err_gpio_pwr_dir;
281 gpio_free(TOSA_GPIO_PWR_ON);
284 gpio_free(TOSA_GPIO_SD_WP);
286 free_irq(TOSA_IRQ_GPIO_nSD_DETECT, data);
291 static void tosa_mci_setpower(struct device *dev, unsigned int vdd)
293 struct pxamci_platform_data* p_d = dev->platform_data;
295 if (( 1 << vdd) & p_d->ocr_mask) {
296 gpio_set_value(TOSA_GPIO_PWR_ON, 1);
298 gpio_set_value(TOSA_GPIO_PWR_ON, 0);
302 static int tosa_mci_get_ro(struct device *dev)
304 return gpio_get_value(TOSA_GPIO_SD_WP);
307 static void tosa_mci_exit(struct device *dev, void *data)
309 gpio_free(TOSA_GPIO_PWR_ON);
310 gpio_free(TOSA_GPIO_SD_WP);
311 free_irq(TOSA_IRQ_GPIO_nSD_DETECT, data);
314 static struct pxamci_platform_data tosa_mci_platform_data = {
315 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
316 .init = tosa_mci_init,
317 .get_ro = tosa_mci_get_ro,
318 .setpower = tosa_mci_setpower,
319 .exit = tosa_mci_exit,
325 static int tosa_irda_startup(struct device *dev)
329 ret = gpio_request(TOSA_GPIO_IR_POWERDWN, "IrDA powerdown");
333 ret = gpio_direction_output(TOSA_GPIO_IR_POWERDWN, 0);
335 gpio_free(TOSA_GPIO_IR_POWERDWN);
340 static void tosa_irda_shutdown(struct device *dev)
342 gpio_free(TOSA_GPIO_IR_POWERDWN);
345 static void tosa_irda_transceiver_mode(struct device *dev, int mode)
347 gpio_set_value(TOSA_GPIO_IR_POWERDWN, !(mode & IR_OFF));
350 static struct pxaficp_platform_data tosa_ficp_platform_data = {
351 .transceiver_cap = IR_SIRMODE | IR_OFF,
352 .transceiver_mode = tosa_irda_transceiver_mode,
353 .startup = tosa_irda_startup,
354 .shutdown = tosa_irda_shutdown,
360 static struct platform_device tosakbd_device = {
361 .name = "tosa-keyboard",
365 static struct gpio_keys_button tosa_gpio_keys[] = {
367 * Two following keys are directly tied to "ON" button of tosa. Why?
368 * The first one can be used as a wakeup source, the second can't;
369 * also the first one is OR of ac_powered and on_button.
373 .code = KEY_RESERVED,
374 .gpio = TOSA_GPIO_POWERON,
382 .gpio = TOSA_GPIO_ON_KEY,
385 * can't be used as wakeup
392 .code = TOSA_KEY_RECORD,
393 .gpio = TOSA_GPIO_RECORD_BTN,
394 .desc = "Record Button",
400 .code = TOSA_KEY_SYNC,
401 .gpio = TOSA_GPIO_SYNC,
402 .desc = "Sync Button",
408 static struct gpio_keys_platform_data tosa_gpio_keys_platform_data = {
409 .buttons = tosa_gpio_keys,
410 .nbuttons = ARRAY_SIZE(tosa_gpio_keys),
413 static struct platform_device tosa_gpio_keys_device = {
417 .platform_data = &tosa_gpio_keys_platform_data,
424 static struct gpio_led tosa_gpio_leds[] = {
426 .name = "tosa:amber:charge",
427 .default_trigger = "main-battery-charging",
428 .gpio = TOSA_GPIO_CHRG_ERR_LED,
431 .name = "tosa:green:mail",
432 .default_trigger = "nand-disk",
433 .gpio = TOSA_GPIO_NOTE_LED,
436 .name = "tosa:dual:wlan",
437 .default_trigger = "none",
438 .gpio = TOSA_GPIO_WLAN_LED,
441 .name = "tosa:blue:bluetooth",
442 .default_trigger = "none",
443 .gpio = TOSA_GPIO_BT_LED,
447 static struct gpio_led_platform_data tosa_gpio_leds_platform_data = {
448 .leds = tosa_gpio_leds,
449 .num_leds = ARRAY_SIZE(tosa_gpio_leds),
452 static struct platform_device tosaled_device = {
456 .platform_data = &tosa_gpio_leds_platform_data,
460 static struct platform_device *devices[] __initdata = {
462 &tosascoop_jc_device,
464 &tosa_gpio_keys_device,
468 static void tosa_poweroff(void)
470 pxa_gpio_mode(TOSA_GPIO_ON_RESET | GPIO_OUT);
471 GPSR(TOSA_GPIO_ON_RESET) = GPIO_bit(TOSA_GPIO_ON_RESET);
474 arm_machine_restart('h');
477 static void tosa_restart(char mode)
479 /* Bootloader magic for a reboot */
480 if((MSC0 & 0xffff0000) == 0x7ff00000)
481 MSC0 = (MSC0 & 0xffff) | 0x7ee00000;
486 static void __init tosa_init(void)
488 pxa2xx_mfp_config(ARRAY_AND_SIZE(tosa_pin_config));
489 gpio_set_wake(MFP_PIN_GPIO1, 1);
490 /* We can't pass to gpio-keys since it will drop the Reset altfunc */
492 pm_power_off = tosa_poweroff;
493 arm_pm_restart = tosa_restart;
497 /* enable batt_fault */
500 pxa_set_mci_info(&tosa_mci_platform_data);
501 pxa_set_udc_info(&udc_info);
502 pxa_set_ficp_info(&tosa_ficp_platform_data);
503 pxa_set_i2c_info(NULL);
504 platform_scoop_config = &tosa_pcmcia_config;
506 platform_add_devices(devices, ARRAY_SIZE(devices));
509 static void __init fixup_tosa(struct machine_desc *desc,
510 struct tag *tags, char **cmdline, struct meminfo *mi)
512 sharpsl_save_param();
514 mi->bank[0].start = 0xa0000000;
515 mi->bank[0].node = 0;
516 mi->bank[0].size = (64*1024*1024);
519 MACHINE_START(TOSA, "SHARP Tosa")
520 .phys_io = 0x40000000,
521 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
523 .map_io = pxa_map_io,
524 .init_irq = pxa25x_init_irq,
525 .init_machine = tosa_init,