2 * Support for Sharp SL-C7xx PDAs
3 * Models: SL-C700 (Corgi), SL-C750 (Shepherd), SL-C760 (Husky)
5 * Copyright (c) 2004-2005 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/major.h>
20 #include <linux/interrupt.h>
21 #include <linux/mmc/host.h>
23 #include <linux/gpio.h>
24 #include <linux/backlight.h>
25 #include <linux/spi/spi.h>
26 #include <linux/spi/ads7846.h>
27 #include <linux/spi/corgi_lcd.h>
28 #include <video/w100fb.h>
30 #include <asm/setup.h>
31 #include <asm/memory.h>
32 #include <asm/mach-types.h>
33 #include <mach/hardware.h>
36 #include <asm/system.h>
38 #include <asm/mach/arch.h>
39 #include <asm/mach/map.h>
40 #include <asm/mach/irq.h>
42 #include <mach/pxa-regs.h>
43 #include <mach/pxa2xx-regs.h>
44 #include <mach/mfp-pxa25x.h>
46 #include <mach/irda.h>
49 #include <mach/pxa2xx_spi.h>
50 #include <mach/corgi.h>
51 #include <mach/sharpsl.h>
53 #include <asm/mach/sharpsl_param.h>
54 #include <asm/hardware/scoop.h>
60 static unsigned long corgi_pin_config[] __initdata = {
61 /* Static Memory I/O */
62 GPIO78_nCS_2, /* w100fb */
63 GPIO80_nCS_4, /* scoop */
69 GPIO24_GPIO, /* CORGI_GPIO_ADS7846_CS - SFRM as chip select */
72 GPIO28_I2S_BITCLK_OUT,
107 GPIO9_GPIO, /* CORGI_GPIO_nSD_DETECT */
108 GPIO7_GPIO, /* CORGI_GPIO_nSD_WP */
109 GPIO33_GPIO, /* CORGI_GPIO_SD_PWR */
110 GPIO22_GPIO, /* CORGI_GPIO_IR_ON */
111 GPIO44_GPIO, /* CORGI_GPIO_HSYNC */
113 GPIO1_GPIO | WAKEUP_ON_EDGE_RISE,
119 static struct resource corgi_scoop_resources[] = {
123 .flags = IORESOURCE_MEM,
127 static struct scoop_config corgi_scoop_setup = {
128 .io_dir = CORGI_SCOOP_IO_DIR,
129 .io_out = CORGI_SCOOP_IO_OUT,
130 .gpio_base = CORGI_SCOOP_GPIO_BASE,
133 struct platform_device corgiscoop_device = {
134 .name = "sharp-scoop",
137 .platform_data = &corgi_scoop_setup,
139 .num_resources = ARRAY_SIZE(corgi_scoop_resources),
140 .resource = corgi_scoop_resources,
143 static struct scoop_pcmcia_dev corgi_pcmcia_scoop[] = {
145 .dev = &corgiscoop_device.dev,
146 .irq = CORGI_IRQ_GPIO_CF_IRQ,
147 .cd_irq = CORGI_IRQ_GPIO_CF_CD,
148 .cd_irq_str = "PCMCIA0 CD",
152 static struct scoop_pcmcia_config corgi_pcmcia_config = {
153 .devs = &corgi_pcmcia_scoop[0],
157 EXPORT_SYMBOL(corgiscoop_device);
159 static struct w100_mem_info corgi_fb_mem = {
160 .ext_cntl = 0x00040003,
161 .sdram_mode_reg = 0x00650021,
162 .ext_timing_cntl = 0x10002a4a,
163 .io_cntl = 0x7ff87012,
167 static struct w100_gen_regs corgi_fb_regs = {
168 .lcd_format = 0x00000003,
169 .lcdd_cntl1 = 0x01CC0000,
170 .lcdd_cntl2 = 0x0003FFFF,
171 .genlcd_cntl1 = 0x00FFFF0D,
172 .genlcd_cntl2 = 0x003F3003,
173 .genlcd_cntl3 = 0x000102aa,
176 static struct w100_gpio_regs corgi_fb_gpio = {
177 .init_data1 = 0x000000bf,
178 .init_data2 = 0x00000000,
179 .gpio_dir1 = 0x00000000,
180 .gpio_oe1 = 0x03c0feff,
181 .gpio_dir2 = 0x00000000,
182 .gpio_oe2 = 0x00000000,
185 static struct w100_mode corgi_fb_modes[] = {
190 .right_margin = 0x55,
191 .upper_margin = 0x03,
192 .lower_margin = 0x00,
193 .crtc_ss = 0x82360056,
194 .crtc_ls = 0xA0280000,
195 .crtc_gs = 0x80280028,
196 .crtc_vpos_gs = 0x02830002,
197 .crtc_rev = 0x00400008,
198 .crtc_dclk = 0xA0000000,
199 .crtc_gclk = 0x8015010F,
200 .crtc_goe = 0x80100110,
201 .crtc_ps1_active = 0x41060010,
203 .fast_pll_freq = 100,
204 .sysclk_src = CLK_SRC_PLL,
206 .pixclk_src = CLK_SRC_PLL,
208 .pixclk_divider_rotated = 6,
213 .right_margin = 0x2e,
214 .upper_margin = 0x01,
215 .lower_margin = 0x00,
216 .crtc_ss = 0x81170027,
217 .crtc_ls = 0xA0140000,
218 .crtc_gs = 0xC0140014,
219 .crtc_vpos_gs = 0x00010141,
220 .crtc_rev = 0x00400008,
221 .crtc_dclk = 0xA0000000,
222 .crtc_gclk = 0x8015010F,
223 .crtc_goe = 0x80100110,
224 .crtc_ps1_active = 0x41060010,
227 .sysclk_src = CLK_SRC_XTAL,
229 .pixclk_src = CLK_SRC_XTAL,
231 .pixclk_divider_rotated = 1,
236 static struct w100fb_mach_info corgi_fb_info = {
237 .init_mode = INIT_MODE_ROTATED,
238 .mem = &corgi_fb_mem,
239 .regs = &corgi_fb_regs,
240 .modelist = &corgi_fb_modes[0],
242 .gpio = &corgi_fb_gpio,
243 .xtal_freq = 12500000,
247 static struct resource corgi_fb_resources[] = {
251 .flags = IORESOURCE_MEM,
255 static struct platform_device corgifb_device = {
258 .num_resources = ARRAY_SIZE(corgi_fb_resources),
259 .resource = corgi_fb_resources,
261 .platform_data = &corgi_fb_info,
267 * Corgi Keyboard Device
269 static struct platform_device corgikbd_device = {
270 .name = "corgi-keyboard",
277 static struct gpio_led corgi_gpio_leds[] = {
279 .name = "corgi:amber:charge",
280 .default_trigger = "sharpsl-charge",
281 .gpio = CORGI_GPIO_LED_ORANGE,
284 .name = "corgi:green:mail",
285 .default_trigger = "nand-disk",
286 .gpio = CORGI_GPIO_LED_GREEN,
290 static struct gpio_led_platform_data corgi_gpio_leds_info = {
291 .leds = corgi_gpio_leds,
292 .num_leds = ARRAY_SIZE(corgi_gpio_leds),
295 static struct platform_device corgiled_device = {
299 .platform_data = &corgi_gpio_leds_info,
306 * The card detect interrupt isn't debounced so we delay it by 250ms
307 * to give the card a chance to fully insert/eject.
309 static struct pxamci_platform_data corgi_mci_platform_data;
311 static int corgi_mci_init(struct device *dev, irq_handler_t corgi_detect_int, void *data)
315 err = gpio_request(CORGI_GPIO_nSD_DETECT, "nSD_DETECT");
319 err = gpio_request(CORGI_GPIO_nSD_WP, "nSD_WP");
323 err = gpio_request(CORGI_GPIO_SD_PWR, "SD_PWR");
327 gpio_direction_input(CORGI_GPIO_nSD_DETECT);
328 gpio_direction_input(CORGI_GPIO_nSD_WP);
329 gpio_direction_output(CORGI_GPIO_SD_PWR, 0);
331 corgi_mci_platform_data.detect_delay = msecs_to_jiffies(250);
333 err = request_irq(CORGI_IRQ_GPIO_nSD_DETECT, corgi_detect_int,
334 IRQF_DISABLED | IRQF_TRIGGER_RISING |
335 IRQF_TRIGGER_FALLING,
336 "MMC card detect", data);
338 pr_err("%s: MMC/SD: can't request MMC card detect IRQ\n",
345 gpio_free(CORGI_GPIO_SD_PWR);
347 gpio_free(CORGI_GPIO_nSD_WP);
349 gpio_free(CORGI_GPIO_nSD_DETECT);
354 static void corgi_mci_setpower(struct device *dev, unsigned int vdd)
356 struct pxamci_platform_data* p_d = dev->platform_data;
358 gpio_set_value(CORGI_GPIO_SD_PWR, ((1 << vdd) & p_d->ocr_mask));
361 static int corgi_mci_get_ro(struct device *dev)
363 return gpio_get_value(CORGI_GPIO_nSD_WP);
366 static void corgi_mci_exit(struct device *dev, void *data)
368 free_irq(CORGI_IRQ_GPIO_nSD_DETECT, data);
369 gpio_free(CORGI_GPIO_SD_PWR);
370 gpio_free(CORGI_GPIO_nSD_WP);
371 gpio_free(CORGI_GPIO_nSD_DETECT);
374 static struct pxamci_platform_data corgi_mci_platform_data = {
375 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
376 .init = corgi_mci_init,
377 .get_ro = corgi_mci_get_ro,
378 .setpower = corgi_mci_setpower,
379 .exit = corgi_mci_exit,
386 static void corgi_irda_transceiver_mode(struct device *dev, int mode)
388 gpio_set_value(CORGI_GPIO_IR_ON, mode & IR_OFF);
389 pxa2xx_transceiver_mode(dev, mode);
392 static int corgi_irda_startup(struct device *dev)
396 err = gpio_request(CORGI_GPIO_IR_ON, "IR_ON");
400 gpio_direction_output(CORGI_GPIO_IR_ON, 1);
404 static void corgi_irda_shutdown(struct device *dev)
406 gpio_free(CORGI_GPIO_IR_ON);
409 static struct pxaficp_platform_data corgi_ficp_platform_data = {
410 .transceiver_cap = IR_SIRMODE | IR_OFF,
411 .transceiver_mode = corgi_irda_transceiver_mode,
412 .startup = corgi_irda_startup,
413 .shutdown = corgi_irda_shutdown,
418 * USB Device Controller
420 static struct pxa2xx_udc_mach_info udc_info __initdata = {
421 /* no connect GPIO; corgi can't tell connection status */
422 .gpio_pullup = CORGI_GPIO_USB_PULLUP,
425 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MASTER)
426 static struct pxa2xx_spi_master corgi_spi_info = {
430 static struct ads7846_platform_data corgi_ads7846_info = {
432 .vref_delay_usecs = 100,
435 .gpio_pendown = CORGI_GPIO_TP_INT,
438 static void corgi_ads7846_cs(u32 command)
440 gpio_set_value(CORGI_GPIO_ADS7846_CS, !(command == PXA2XX_CS_ASSERT));
443 static struct pxa2xx_spi_chip corgi_ads7846_chip = {
444 .cs_control = corgi_ads7846_cs,
447 static void corgi_bl_kick_battery(void)
449 void (*kick_batt)(void);
451 kick_batt = symbol_get(sharpsl_battery_kick);
454 symbol_put(sharpsl_battery_kick);
458 static struct corgi_lcd_platform_data corgi_lcdcon_info = {
459 .init_mode = CORGI_LCD_MODE_VGA,
460 .max_intensity = 0x2f,
461 .default_intensity = 0x1f,
463 .gpio_backlight_cont = CORGI_GPIO_BACKLIGHT_CONT,
464 .gpio_backlight_on = -1,
465 .kick_battery = corgi_bl_kick_battery,
468 static void corgi_lcdcon_cs(u32 command)
470 gpio_set_value(CORGI_GPIO_LCDCON_CS, !(command == PXA2XX_CS_ASSERT));
473 static struct pxa2xx_spi_chip corgi_lcdcon_chip = {
474 .cs_control = corgi_lcdcon_cs,
477 static void corgi_max1111_cs(u32 command)
479 gpio_set_value(CORGI_GPIO_MAX1111_CS, !(command == PXA2XX_CS_ASSERT));
482 static struct pxa2xx_spi_chip corgi_max1111_chip = {
483 .cs_control = corgi_max1111_cs,
486 static struct spi_board_info corgi_spi_devices[] = {
488 .modalias = "ads7846",
489 .max_speed_hz = 1200000,
492 .platform_data = &corgi_ads7846_info,
493 .controller_data= &corgi_ads7846_chip,
494 .irq = gpio_to_irq(CORGI_GPIO_TP_INT),
496 .modalias = "corgi-lcd",
497 .max_speed_hz = 50000,
500 .platform_data = &corgi_lcdcon_info,
501 .controller_data= &corgi_lcdcon_chip,
503 .modalias = "max1111",
504 .max_speed_hz = 450000,
507 .controller_data= &corgi_max1111_chip,
511 static void __init corgi_init_spi(void)
515 err = gpio_request(CORGI_GPIO_ADS7846_CS, "ADS7846_CS");
519 err = gpio_request(CORGI_GPIO_LCDCON_CS, "LCDCON_CS");
523 err = gpio_request(CORGI_GPIO_MAX1111_CS, "MAX1111_CS");
527 gpio_direction_output(CORGI_GPIO_ADS7846_CS, 1);
528 gpio_direction_output(CORGI_GPIO_LCDCON_CS, 1);
529 gpio_direction_output(CORGI_GPIO_MAX1111_CS, 1);
531 pxa2xx_set_spi_info(1, &corgi_spi_info);
532 spi_register_board_info(ARRAY_AND_SIZE(corgi_spi_devices));
536 gpio_free(CORGI_GPIO_LCDCON_CS);
538 gpio_free(CORGI_GPIO_ADS7846_CS);
541 static inline void corgi_init_spi(void) {}
544 static struct platform_device *devices[] __initdata = {
551 static void corgi_poweroff(void)
553 if (!machine_is_corgi())
554 /* Green LED off tells the bootloader to halt */
555 gpio_set_value(CORGI_GPIO_LED_GREEN, 0);
557 arm_machine_restart('h');
560 static void corgi_restart(char mode)
562 if (!machine_is_corgi())
563 /* Green LED on tells the bootloader to reboot */
564 gpio_set_value(CORGI_GPIO_LED_GREEN, 1);
566 arm_machine_restart('h');
569 static void __init corgi_init(void)
571 pm_power_off = corgi_poweroff;
572 arm_pm_restart = corgi_restart;
574 /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
577 pxa2xx_mfp_config(ARRAY_AND_SIZE(corgi_pin_config));
581 pxa_set_udc_info(&udc_info);
582 pxa_set_mci_info(&corgi_mci_platform_data);
583 pxa_set_ficp_info(&corgi_ficp_platform_data);
584 pxa_set_i2c_info(NULL);
586 platform_scoop_config = &corgi_pcmcia_config;
588 platform_add_devices(devices, ARRAY_SIZE(devices));
591 static void __init fixup_corgi(struct machine_desc *desc,
592 struct tag *tags, char **cmdline, struct meminfo *mi)
594 sharpsl_save_param();
596 mi->bank[0].start = 0xa0000000;
597 mi->bank[0].node = 0;
598 if (machine_is_corgi())
599 mi->bank[0].size = (32*1024*1024);
601 mi->bank[0].size = (64*1024*1024);
604 #ifdef CONFIG_MACH_CORGI
605 MACHINE_START(CORGI, "SHARP Corgi")
606 .phys_io = 0x40000000,
607 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
608 .fixup = fixup_corgi,
609 .map_io = pxa_map_io,
610 .init_irq = pxa25x_init_irq,
611 .init_machine = corgi_init,
616 #ifdef CONFIG_MACH_SHEPHERD
617 MACHINE_START(SHEPHERD, "SHARP Shepherd")
618 .phys_io = 0x40000000,
619 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
620 .fixup = fixup_corgi,
621 .map_io = pxa_map_io,
622 .init_irq = pxa25x_init_irq,
623 .init_machine = corgi_init,
628 #ifdef CONFIG_MACH_HUSKY
629 MACHINE_START(HUSKY, "SHARP Husky")
630 .phys_io = 0x40000000,
631 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
632 .fixup = fixup_corgi,
633 .map_io = pxa_map_io,
634 .init_irq = pxa25x_init_irq,
635 .init_machine = corgi_init,