2 * linux/arch/arm/mach-pxa/poodle.c
4 * Support for the SHARP Poodle Board.
7 * linux/arch/arm/mach-pxa/lubbock.c Author: Nicolas Pitre
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.
14 * 12-Dec-2002 Sharp Corporation for Poodle
15 * John Lenz <lenz@cs.wisc.edu> updates to 2.6
17 #include <linux/kernel.h>
18 #include <linux/init.h>
19 #include <linux/export.h>
20 #include <linux/platform_device.h>
23 #include <linux/delay.h>
24 #include <linux/mtd/physmap.h>
25 #include <linux/gpio.h>
26 #include <linux/gpio/machine.h>
27 #include <linux/i2c.h>
28 #include <linux/platform_data/i2c-pxa.h>
29 #include <linux/regulator/machine.h>
30 #include <linux/spi/spi.h>
31 #include <linux/spi/ads7846.h>
32 #include <linux/spi/pxa2xx_spi.h>
33 #include <linux/mtd/sharpsl.h>
34 #include <linux/memblock.h>
36 #include <mach/hardware.h>
37 #include <asm/mach-types.h>
39 #include <asm/setup.h>
41 #include <asm/mach/arch.h>
42 #include <asm/mach/map.h>
43 #include <asm/mach/irq.h>
46 #include <linux/platform_data/mmc-pxamci.h>
48 #include <linux/platform_data/irda-pxaficp.h>
49 #include <mach/poodle.h>
50 #include <linux/platform_data/video-pxafb.h>
52 #include <asm/hardware/scoop.h>
53 #include <asm/hardware/locomo.h>
54 #include <asm/mach/sharpsl_param.h>
59 static unsigned long poodle_pin_config[] __initdata = {
72 GPIO24_GPIO, /* POODLE_GPIO_TP_CS - SFRM as chip select */
75 GPIO28_I2S_BITCLK_OUT,
113 GPIO9_GPIO, /* POODLE_GPIO_nSD_DETECT */
114 GPIO7_GPIO, /* POODLE_GPIO_nSD_WP */
115 GPIO3_GPIO, /* POODLE_GPIO_SD_PWR */
116 GPIO33_GPIO, /* POODLE_GPIO_SD_PWR1 */
118 GPIO20_GPIO, /* POODLE_GPIO_USB_PULLUP */
119 GPIO22_GPIO, /* POODLE_GPIO_IR_ON */
122 static struct resource poodle_scoop_resources[] = {
126 .flags = IORESOURCE_MEM,
130 static struct scoop_config poodle_scoop_setup = {
131 .io_dir = POODLE_SCOOP_IO_DIR,
132 .io_out = POODLE_SCOOP_IO_OUT,
133 .gpio_base = POODLE_SCOOP_GPIO_BASE,
136 struct platform_device poodle_scoop_device = {
137 .name = "sharp-scoop",
140 .platform_data = &poodle_scoop_setup,
142 .num_resources = ARRAY_SIZE(poodle_scoop_resources),
143 .resource = poodle_scoop_resources,
146 static struct scoop_pcmcia_dev poodle_pcmcia_scoop[] = {
148 .dev = &poodle_scoop_device.dev,
149 .irq = POODLE_IRQ_GPIO_CF_IRQ,
150 .cd_irq = POODLE_IRQ_GPIO_CF_CD,
151 .cd_irq_str = "PCMCIA0 CD",
155 static struct scoop_pcmcia_config poodle_pcmcia_config = {
156 .devs = &poodle_pcmcia_scoop[0],
160 EXPORT_SYMBOL(poodle_scoop_device);
163 static struct platform_device poodle_audio_device = {
164 .name = "poodle-audio",
169 static struct resource locomo_resources[] = {
173 .flags = IORESOURCE_MEM,
176 .start = PXA_GPIO_TO_IRQ(10),
177 .end = PXA_GPIO_TO_IRQ(10),
178 .flags = IORESOURCE_IRQ,
182 static struct locomo_platform_data locomo_info = {
183 .irq_base = IRQ_BOARD_START,
186 struct platform_device poodle_locomo_device = {
189 .num_resources = ARRAY_SIZE(locomo_resources),
190 .resource = locomo_resources,
192 .platform_data = &locomo_info,
196 EXPORT_SYMBOL(poodle_locomo_device);
198 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
199 static struct pxa2xx_spi_master poodle_spi_info = {
203 static struct ads7846_platform_data poodle_ads7846_info = {
205 .vref_delay_usecs = 100,
208 .gpio_pendown = POODLE_GPIO_TP_INT,
211 static struct pxa2xx_spi_chip poodle_ads7846_chip = {
212 .gpio_cs = POODLE_GPIO_TP_CS,
215 static struct spi_board_info poodle_spi_devices[] = {
217 .modalias = "ads7846",
218 .max_speed_hz = 10000,
220 .platform_data = &poodle_ads7846_info,
221 .controller_data= &poodle_ads7846_chip,
222 .irq = PXA_GPIO_TO_IRQ(POODLE_GPIO_TP_INT),
226 static void __init poodle_init_spi(void)
228 pxa2xx_set_spi_info(1, &poodle_spi_info);
229 spi_register_board_info(ARRAY_AND_SIZE(poodle_spi_devices));
232 static inline void poodle_init_spi(void) {}
238 * The card detect interrupt isn't debounced so we delay it by 250ms
239 * to give the card a chance to fully insert/eject.
241 static int poodle_mci_init(struct device *dev, irq_handler_t poodle_detect_int, void *data)
245 err = gpio_request(POODLE_GPIO_SD_PWR, "SD_PWR");
249 err = gpio_request(POODLE_GPIO_SD_PWR1, "SD_PWR1");
253 gpio_direction_output(POODLE_GPIO_SD_PWR, 0);
254 gpio_direction_output(POODLE_GPIO_SD_PWR1, 0);
259 gpio_free(POODLE_GPIO_SD_PWR);
264 static int poodle_mci_setpower(struct device *dev, unsigned int vdd)
266 struct pxamci_platform_data* p_d = dev->platform_data;
268 if ((1 << vdd) & p_d->ocr_mask) {
269 gpio_set_value(POODLE_GPIO_SD_PWR, 1);
271 gpio_set_value(POODLE_GPIO_SD_PWR1, 1);
273 gpio_set_value(POODLE_GPIO_SD_PWR1, 0);
274 gpio_set_value(POODLE_GPIO_SD_PWR, 0);
280 static void poodle_mci_exit(struct device *dev, void *data)
282 gpio_free(POODLE_GPIO_SD_PWR1);
283 gpio_free(POODLE_GPIO_SD_PWR);
286 static struct pxamci_platform_data poodle_mci_platform_data = {
287 .detect_delay_ms = 250,
288 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
289 .init = poodle_mci_init,
290 .setpower = poodle_mci_setpower,
291 .exit = poodle_mci_exit,
294 static struct gpiod_lookup_table poodle_mci_gpio_table = {
295 .dev_id = "pxa2xx-mci.0",
297 GPIO_LOOKUP("gpio-pxa", POODLE_GPIO_nSD_DETECT,
298 "cd", GPIO_ACTIVE_LOW),
299 GPIO_LOOKUP("gpio-pxa", POODLE_GPIO_nSD_WP,
300 "wp", GPIO_ACTIVE_LOW),
308 static struct pxaficp_platform_data poodle_ficp_platform_data = {
309 .gpio_pwdown = POODLE_GPIO_IR_ON,
310 .transceiver_cap = IR_SIRMODE | IR_OFF,
315 * USB Device Controller
317 static struct pxa2xx_udc_mach_info udc_info __initdata = {
318 /* no connect GPIO; poodle can't tell connection status */
319 .gpio_pullup = POODLE_GPIO_USB_PULLUP,
324 static struct pxafb_mode_info poodle_fb_mode = {
335 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
338 static struct pxafb_mach_info poodle_fb_info = {
339 .modes = &poodle_fb_mode,
341 .lcd_conn = LCD_COLOR_TFT_16BPP,
344 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
346 static struct nand_bbt_descr sharpsl_bbt = {
350 .pattern = scan_ff_pattern
353 static const char * const probes[] = {
360 static struct sharpsl_nand_platform_data sharpsl_nand_platform_data = {
361 .badblock_pattern = &sharpsl_bbt,
362 .part_parsers = probes,
365 static struct resource sharpsl_nand_resources[] = {
369 .flags = IORESOURCE_MEM,
373 static struct platform_device sharpsl_nand_device = {
374 .name = "sharpsl-nand",
376 .resource = sharpsl_nand_resources,
377 .num_resources = ARRAY_SIZE(sharpsl_nand_resources),
378 .dev.platform_data = &sharpsl_nand_platform_data,
381 static struct mtd_partition sharpsl_rom_parts[] = {
383 .name ="Boot PROM Filesystem",
384 .offset = 0x00120000,
385 .size = MTDPART_SIZ_FULL,
389 static struct physmap_flash_data sharpsl_rom_data = {
391 .nr_parts = ARRAY_SIZE(sharpsl_rom_parts),
392 .parts = sharpsl_rom_parts,
395 static struct resource sharpsl_rom_resources[] = {
399 .flags = IORESOURCE_MEM,
403 static struct platform_device sharpsl_rom_device = {
404 .name = "physmap-flash",
406 .resource = sharpsl_rom_resources,
407 .num_resources = ARRAY_SIZE(sharpsl_rom_resources),
408 .dev.platform_data = &sharpsl_rom_data,
411 static struct platform_device *devices[] __initdata = {
412 &poodle_locomo_device,
413 &poodle_scoop_device,
414 &poodle_audio_device,
415 &sharpsl_nand_device,
419 static struct i2c_board_info __initdata poodle_i2c_devices[] = {
420 { I2C_BOARD_INFO("wm8731", 0x1b) },
423 static void poodle_poweroff(void)
425 pxa_restart(REBOOT_HARD, NULL);
428 static void __init poodle_init(void)
432 pm_power_off = poodle_poweroff;
436 pxa2xx_mfp_config(ARRAY_AND_SIZE(poodle_pin_config));
438 pxa_set_ffuart_info(NULL);
439 pxa_set_btuart_info(NULL);
440 pxa_set_stuart_info(NULL);
442 platform_scoop_config = &poodle_pcmcia_config;
444 ret = platform_add_devices(devices, ARRAY_SIZE(devices));
446 pr_warn("poodle: Unable to register LoCoMo device\n");
448 pxa_set_fb_info(&poodle_locomo_device.dev, &poodle_fb_info);
449 pxa_set_udc_info(&udc_info);
450 gpiod_add_lookup_table(&poodle_mci_gpio_table);
451 pxa_set_mci_info(&poodle_mci_platform_data);
452 pxa_set_ficp_info(&poodle_ficp_platform_data);
453 pxa_set_i2c_info(NULL);
454 i2c_register_board_info(0, ARRAY_AND_SIZE(poodle_i2c_devices));
456 regulator_has_full_constraints();
459 static void __init fixup_poodle(struct tag *tags, char **cmdline)
461 sharpsl_save_param();
462 memblock_add(0xa0000000, SZ_32M);
465 MACHINE_START(POODLE, "SHARP Poodle")
466 .fixup = fixup_poodle,
467 .map_io = pxa25x_map_io,
468 .nr_irqs = POODLE_NR_IRQS, /* 4 for LoCoMo */
469 .init_irq = pxa25x_init_irq,
470 .handle_irq = pxa25x_handle_irq,
471 .init_time = pxa_timer_init,
472 .init_machine = poodle_init,
473 .restart = pxa_restart,