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>
26 #include <linux/backlight.h>
28 #include <linux/i2c.h>
29 #include <linux/i2c/pca953x.h>
30 #include <linux/spi/spi.h>
31 #include <linux/spi/ads7846.h>
32 #include <linux/spi/corgi_lcd.h>
34 #include <asm/setup.h>
35 #include <asm/memory.h>
36 #include <asm/mach-types.h>
37 #include <mach/hardware.h>
39 #include <asm/system.h>
41 #include <asm/mach/arch.h>
42 #include <asm/mach/map.h>
43 #include <asm/mach/irq.h>
45 #include <mach/pxa-regs.h>
46 #include <mach/pxa2xx-regs.h>
47 #include <mach/mfp-pxa27x.h>
48 #include <mach/pxa27x-udc.h>
49 #include <mach/reset.h>
51 #include <mach/irda.h>
53 #include <mach/ohci.h>
55 #include <mach/pxafb.h>
56 #include <mach/pxa2xx_spi.h>
57 #include <mach/spitz.h>
58 #include <mach/sharpsl.h>
60 #include <asm/mach/sharpsl_param.h>
61 #include <asm/hardware/scoop.h>
67 static unsigned long spitz_pin_config[] __initdata = {
69 GPIO78_nCS_2, /* SCOOP #2 */
70 GPIO80_nCS_4, /* SCOOP #1 */
72 /* LCD - 16bpp Active TFT */
114 GPIO9_GPIO, /* SPITZ_GPIO_nSD_DETECT */
115 GPIO81_GPIO, /* SPITZ_GPIO_nSD_WP */
116 GPIO41_GPIO, /* SPITZ_GPIO_USB_CONNECT */
117 GPIO37_GPIO, /* SPITZ_GPIO_USB_HOST */
118 GPIO35_GPIO, /* SPITZ_GPIO_USB_DEVICE */
119 GPIO22_GPIO, /* SPITZ_GPIO_HSYNC */
120 GPIO94_GPIO, /* SPITZ_GPIO_CF_CD */
121 GPIO105_GPIO, /* SPITZ_GPIO_CF_IRQ */
122 GPIO106_GPIO, /* SPITZ_GPIO_CF2_IRQ */
124 GPIO1_GPIO | WAKEUP_ON_EDGE_RISE,
128 * Spitz SCOOP Device #1
130 static struct resource spitz_scoop_resources[] = {
134 .flags = IORESOURCE_MEM,
138 static struct scoop_config spitz_scoop_setup = {
139 .io_dir = SPITZ_SCP_IO_DIR,
140 .io_out = SPITZ_SCP_IO_OUT,
141 .suspend_clr = SPITZ_SCP_SUS_CLR,
142 .suspend_set = SPITZ_SCP_SUS_SET,
143 .gpio_base = SPITZ_SCP_GPIO_BASE,
146 struct platform_device spitzscoop_device = {
147 .name = "sharp-scoop",
150 .platform_data = &spitz_scoop_setup,
152 .num_resources = ARRAY_SIZE(spitz_scoop_resources),
153 .resource = spitz_scoop_resources,
157 * Spitz SCOOP Device #2
159 static struct resource spitz_scoop2_resources[] = {
163 .flags = IORESOURCE_MEM,
167 static struct scoop_config spitz_scoop2_setup = {
168 .io_dir = SPITZ_SCP2_IO_DIR,
169 .io_out = SPITZ_SCP2_IO_OUT,
170 .suspend_clr = SPITZ_SCP2_SUS_CLR,
171 .suspend_set = SPITZ_SCP2_SUS_SET,
172 .gpio_base = SPITZ_SCP2_GPIO_BASE,
175 struct platform_device spitzscoop2_device = {
176 .name = "sharp-scoop",
179 .platform_data = &spitz_scoop2_setup,
181 .num_resources = ARRAY_SIZE(spitz_scoop2_resources),
182 .resource = spitz_scoop2_resources,
185 #define SPITZ_PWR_SD 0x01
186 #define SPITZ_PWR_CF 0x02
188 /* Power control is shared with between one of the CF slots and SD */
189 static void spitz_card_pwr_ctrl(int device, unsigned short new_cpr)
191 unsigned short cpr = read_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR);
193 if (new_cpr & 0x0007) {
194 gpio_set_value(SPITZ_GPIO_CF_POWER, 1);
195 if (!(cpr & 0x0002) && !(cpr & 0x0004))
197 if (device == SPITZ_PWR_CF)
199 if (device == SPITZ_PWR_SD)
201 write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
203 if (device == SPITZ_PWR_CF)
205 if (device == SPITZ_PWR_SD)
207 if (!(cpr & 0x0002) && !(cpr & 0x0004)) {
208 write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, 0x0000);
210 gpio_set_value(SPITZ_GPIO_CF_POWER, 0);
212 write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
217 static void spitz_pcmcia_pwr(struct device *scoop, unsigned short cpr, int nr)
219 /* Only need to override behaviour for slot 0 */
221 spitz_card_pwr_ctrl(SPITZ_PWR_CF, cpr);
223 write_scoop_reg(scoop, SCOOP_CPR, cpr);
226 static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = {
228 .dev = &spitzscoop_device.dev,
229 .irq = SPITZ_IRQ_GPIO_CF_IRQ,
230 .cd_irq = SPITZ_IRQ_GPIO_CF_CD,
231 .cd_irq_str = "PCMCIA0 CD",
233 .dev = &spitzscoop2_device.dev,
234 .irq = SPITZ_IRQ_GPIO_CF2_IRQ,
239 static struct scoop_pcmcia_config spitz_pcmcia_config = {
240 .devs = &spitz_pcmcia_scoop[0],
242 .power_ctrl = spitz_pcmcia_pwr,
245 EXPORT_SYMBOL(spitzscoop_device);
246 EXPORT_SYMBOL(spitzscoop2_device);
249 * Spitz Keyboard Device
251 static struct platform_device spitzkbd_device = {
252 .name = "spitz-keyboard",
260 static struct gpio_led spitz_gpio_leds[] = {
262 .name = "spitz:amber:charge",
263 .default_trigger = "sharpsl-charge",
264 .gpio = SPITZ_GPIO_LED_ORANGE,
267 .name = "spitz:green:hddactivity",
268 .default_trigger = "ide-disk",
269 .gpio = SPITZ_GPIO_LED_GREEN,
273 static struct gpio_led_platform_data spitz_gpio_leds_info = {
274 .leds = spitz_gpio_leds,
275 .num_leds = ARRAY_SIZE(spitz_gpio_leds),
278 static struct platform_device spitzled_device = {
282 .platform_data = &spitz_gpio_leds_info,
286 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
287 static struct pxa2xx_spi_master spitz_spi_info = {
291 static struct ads7846_platform_data spitz_ads7846_info = {
293 .vref_delay_usecs = 100,
296 .gpio_pendown = SPITZ_GPIO_TP_INT,
299 static void spitz_ads7846_cs(u32 command)
301 gpio_set_value(SPITZ_GPIO_ADS7846_CS, !(command == PXA2XX_CS_ASSERT));
304 static struct pxa2xx_spi_chip spitz_ads7846_chip = {
305 .cs_control = spitz_ads7846_cs,
308 static void spitz_bl_kick_battery(void)
310 void (*kick_batt)(void);
312 kick_batt = symbol_get(sharpsl_battery_kick);
315 symbol_put(sharpsl_battery_kick);
319 static struct corgi_lcd_platform_data spitz_lcdcon_info = {
320 .init_mode = CORGI_LCD_MODE_VGA,
321 .max_intensity = 0x2f,
322 .default_intensity = 0x1f,
324 .gpio_backlight_cont = SPITZ_GPIO_BACKLIGHT_CONT,
325 .gpio_backlight_on = SPITZ_GPIO_BACKLIGHT_ON,
326 .kick_battery = spitz_bl_kick_battery,
329 static void spitz_lcdcon_cs(u32 command)
331 gpio_set_value(SPITZ_GPIO_LCDCON_CS, !(command == PXA2XX_CS_ASSERT));
334 static struct pxa2xx_spi_chip spitz_lcdcon_chip = {
335 .cs_control = spitz_lcdcon_cs,
338 static void spitz_max1111_cs(u32 command)
340 gpio_set_value(SPITZ_GPIO_MAX1111_CS, !(command == PXA2XX_CS_ASSERT));
343 static struct pxa2xx_spi_chip spitz_max1111_chip = {
344 .cs_control = spitz_max1111_cs,
347 static struct spi_board_info spitz_spi_devices[] = {
349 .modalias = "ads7846",
350 .max_speed_hz = 1200000,
353 .platform_data = &spitz_ads7846_info,
354 .controller_data= &spitz_ads7846_chip,
355 .irq = gpio_to_irq(SPITZ_GPIO_TP_INT),
357 .modalias = "corgi-lcd",
358 .max_speed_hz = 50000,
361 .platform_data = &spitz_lcdcon_info,
362 .controller_data= &spitz_lcdcon_chip,
364 .modalias = "max1111",
365 .max_speed_hz = 450000,
368 .controller_data= &spitz_max1111_chip,
372 static void __init spitz_init_spi(void)
376 err = gpio_request(SPITZ_GPIO_ADS7846_CS, "ADS7846_CS");
380 err = gpio_request(SPITZ_GPIO_LCDCON_CS, "LCDCON_CS");
384 err = gpio_request(SPITZ_GPIO_MAX1111_CS, "MAX1111_CS");
388 err = gpio_direction_output(SPITZ_GPIO_ADS7846_CS, 1);
391 err = gpio_direction_output(SPITZ_GPIO_LCDCON_CS, 1);
394 err = gpio_direction_output(SPITZ_GPIO_MAX1111_CS, 1);
398 if (machine_is_akita()) {
399 spitz_lcdcon_info.gpio_backlight_cont = AKITA_GPIO_BACKLIGHT_CONT;
400 spitz_lcdcon_info.gpio_backlight_on = AKITA_GPIO_BACKLIGHT_ON;
403 pxa2xx_set_spi_info(2, &spitz_spi_info);
404 spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices));
408 gpio_free(SPITZ_GPIO_MAX1111_CS);
410 gpio_free(SPITZ_GPIO_LCDCON_CS);
412 gpio_free(SPITZ_GPIO_ADS7846_CS);
415 static inline void spitz_init_spi(void) {}
421 * The card detect interrupt isn't debounced so we delay it by 250ms
422 * to give the card a chance to fully insert/eject.
425 static struct pxamci_platform_data spitz_mci_platform_data;
427 static int spitz_mci_init(struct device *dev, irq_handler_t spitz_detect_int, void *data)
431 err = gpio_request(SPITZ_GPIO_nSD_DETECT, "nSD_DETECT");
435 err = gpio_request(SPITZ_GPIO_nSD_WP, "nSD_WP");
439 gpio_direction_input(SPITZ_GPIO_nSD_DETECT);
440 gpio_direction_input(SPITZ_GPIO_nSD_WP);
442 spitz_mci_platform_data.detect_delay = msecs_to_jiffies(250);
444 err = request_irq(SPITZ_IRQ_GPIO_nSD_DETECT, spitz_detect_int,
445 IRQF_DISABLED | IRQF_TRIGGER_RISING |
446 IRQF_TRIGGER_FALLING,
447 "MMC card detect", data);
449 pr_err("%s: MMC/SD: can't request MMC card detect IRQ\n",
456 gpio_free(SPITZ_GPIO_nSD_WP);
458 gpio_free(SPITZ_GPIO_nSD_DETECT);
463 static void spitz_mci_setpower(struct device *dev, unsigned int vdd)
465 struct pxamci_platform_data* p_d = dev->platform_data;
467 if (( 1 << vdd) & p_d->ocr_mask)
468 spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0004);
470 spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0000);
473 static int spitz_mci_get_ro(struct device *dev)
475 return gpio_get_value(SPITZ_GPIO_nSD_WP);
478 static void spitz_mci_exit(struct device *dev, void *data)
480 free_irq(SPITZ_IRQ_GPIO_nSD_DETECT, data);
481 gpio_free(SPITZ_GPIO_nSD_WP);
482 gpio_free(SPITZ_GPIO_nSD_DETECT);
485 static struct pxamci_platform_data spitz_mci_platform_data = {
486 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
487 .init = spitz_mci_init,
488 .get_ro = spitz_mci_get_ro,
489 .setpower = spitz_mci_setpower,
490 .exit = spitz_mci_exit,
497 static int spitz_ohci_init(struct device *dev)
501 err = gpio_request(SPITZ_GPIO_USB_HOST, "USB_HOST");
505 /* Only Port 2 is connected
506 * Setup USB Port 2 Output Control Register
508 UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
510 return gpio_direction_output(SPITZ_GPIO_USB_HOST, 1);
513 static struct pxaohci_platform_data spitz_ohci_platform_data = {
514 .port_mode = PMM_NPS_MODE,
515 .init = spitz_ohci_init,
516 .flags = ENABLE_PORT_ALL | NO_OC_PROTECTION,
524 static int spitz_irda_startup(struct device *dev)
528 rc = gpio_request(SPITZ_GPIO_IR_ON, "IrDA on");
532 rc = gpio_direction_output(SPITZ_GPIO_IR_ON, 1);
539 gpio_free(SPITZ_GPIO_IR_ON);
544 static void spitz_irda_shutdown(struct device *dev)
546 gpio_free(SPITZ_GPIO_IR_ON);
549 static void spitz_irda_transceiver_mode(struct device *dev, int mode)
551 gpio_set_value(SPITZ_GPIO_IR_ON, mode & IR_OFF);
552 pxa2xx_transceiver_mode(dev, mode);
555 #ifdef CONFIG_MACH_AKITA
556 static void akita_irda_transceiver_mode(struct device *dev, int mode)
558 gpio_set_value(AKITA_GPIO_IR_ON, mode & IR_OFF);
559 pxa2xx_transceiver_mode(dev, mode);
563 static struct pxaficp_platform_data spitz_ficp_platform_data = {
564 .transceiver_cap = IR_SIRMODE | IR_OFF,
565 .transceiver_mode = spitz_irda_transceiver_mode,
566 .startup = spitz_irda_startup,
567 .shutdown = spitz_irda_shutdown,
572 * Spitz PXA Framebuffer
575 static struct pxafb_mode_info spitz_pxafb_modes[] = {
603 static struct pxafb_mach_info spitz_pxafb_info = {
604 .modes = &spitz_pxafb_modes[0],
607 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING,
611 static struct platform_device *devices[] __initdata = {
617 static void spitz_poweroff(void)
619 arm_machine_restart('g');
622 static void spitz_restart(char mode)
624 /* Bootloader magic for a reboot */
625 if((MSC0 & 0xffff0000) == 0x7ff00000)
626 MSC0 = (MSC0 & 0xffff) | 0x7ee00000;
631 static void __init common_init(void)
633 init_gpio_reset(SPITZ_GPIO_ON_RESET, 1);
634 pm_power_off = spitz_poweroff;
635 arm_pm_restart = spitz_restart;
639 /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
642 pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config));
646 platform_add_devices(devices, ARRAY_SIZE(devices));
647 pxa_set_mci_info(&spitz_mci_platform_data);
648 pxa_set_ohci_info(&spitz_ohci_platform_data);
649 pxa_set_ficp_info(&spitz_ficp_platform_data);
650 set_pxa_fb_info(&spitz_pxafb_info);
651 pxa_set_i2c_info(NULL);
654 #if defined(CONFIG_MACH_SPITZ) || defined(CONFIG_MACH_BORZOI)
655 static void __init spitz_init(void)
657 platform_scoop_config = &spitz_pcmcia_config;
661 platform_device_register(&spitzscoop2_device);
665 #ifdef CONFIG_MACH_AKITA
669 static struct pca953x_platform_data akita_ioexp = {
670 .gpio_base = AKITA_IOEXP_GPIO_BASE,
673 static struct i2c_board_info akita_i2c_board_info[] = {
677 .platform_data = &akita_ioexp,
681 static void __init akita_init(void)
683 spitz_ficp_platform_data.transceiver_mode = akita_irda_transceiver_mode;
685 /* We just pretend the second element of the array doesn't exist */
686 spitz_pcmcia_config.num_devs = 1;
687 platform_scoop_config = &spitz_pcmcia_config;
689 pxa_set_i2c_info(NULL);
690 i2c_register_board_info(0, ARRAY_AND_SIZE(akita_i2c_board_info));
696 static void __init fixup_spitz(struct machine_desc *desc,
697 struct tag *tags, char **cmdline, struct meminfo *mi)
699 sharpsl_save_param();
701 mi->bank[0].start = 0xa0000000;
702 mi->bank[0].node = 0;
703 mi->bank[0].size = (64*1024*1024);
706 #ifdef CONFIG_MACH_SPITZ
707 MACHINE_START(SPITZ, "SHARP Spitz")
708 .phys_io = 0x40000000,
709 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
710 .fixup = fixup_spitz,
711 .map_io = pxa_map_io,
712 .init_irq = pxa27x_init_irq,
713 .init_machine = spitz_init,
718 #ifdef CONFIG_MACH_BORZOI
719 MACHINE_START(BORZOI, "SHARP Borzoi")
720 .phys_io = 0x40000000,
721 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
722 .fixup = fixup_spitz,
723 .map_io = pxa_map_io,
724 .init_irq = pxa27x_init_irq,
725 .init_machine = spitz_init,
730 #ifdef CONFIG_MACH_AKITA
731 MACHINE_START(AKITA, "SHARP Akita")
732 .phys_io = 0x40000000,
733 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
734 .fixup = fixup_spitz,
735 .map_io = pxa_map_io,
736 .init_irq = pxa27x_init_irq,
737 .init_machine = akita_init,