[MTD] struct device - replace bus_id with dev_name(), dev_set_name()
[linux-2.6.git] / arch / arm / mach-pxa / poodle.c
1 /*
2  * linux/arch/arm/mach-pxa/poodle.c
3  *
4  *  Support for the SHARP Poodle Board.
5  *
6  * Based on:
7  *  linux/arch/arm/mach-pxa/lubbock.c Author:   Nicolas Pitre
8  *
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.
12  *
13  * Change Log
14  *  12-Dec-2002 Sharp Corporation for Poodle
15  *  John Lenz <lenz@cs.wisc.edu> updates to 2.6
16  */
17 #include <linux/kernel.h>
18 #include <linux/init.h>
19 #include <linux/platform_device.h>
20 #include <linux/fb.h>
21 #include <linux/pm.h>
22 #include <linux/delay.h>
23 #include <linux/gpio.h>
24 #include <linux/spi/spi.h>
25 #include <linux/spi/ads7846.h>
26 #include <linux/mtd/sharpsl.h>
27
28 #include <mach/hardware.h>
29 #include <asm/mach-types.h>
30 #include <asm/irq.h>
31 #include <asm/setup.h>
32 #include <asm/system.h>
33
34 #include <asm/mach/arch.h>
35 #include <asm/mach/map.h>
36 #include <asm/mach/irq.h>
37
38 #include <mach/pxa-regs.h>
39 #include <mach/pxa2xx-regs.h>
40 #include <mach/mfp-pxa25x.h>
41 #include <mach/mmc.h>
42 #include <mach/udc.h>
43 #include <mach/i2c.h>
44 #include <mach/irda.h>
45 #include <mach/poodle.h>
46 #include <mach/pxafb.h>
47 #include <mach/sharpsl.h>
48 #include <mach/ssp.h>
49 #include <mach/pxa2xx_spi.h>
50
51 #include <asm/hardware/scoop.h>
52 #include <asm/hardware/locomo.h>
53 #include <asm/mach/sharpsl_param.h>
54
55 #include "generic.h"
56 #include "devices.h"
57 #include "sharpsl.h"
58
59 static unsigned long poodle_pin_config[] __initdata = {
60         /* I/O */
61         GPIO79_nCS_3,
62         GPIO80_nCS_4,
63         GPIO18_RDY,
64
65         /* Clock */
66         GPIO12_32KHz,
67
68         /* SSP1 */
69         GPIO23_SSP1_SCLK,
70         GPIO25_SSP1_TXD,
71         GPIO26_SSP1_RXD,
72         GPIO24_GPIO,    /* POODLE_GPIO_TP_CS - SFRM as chip select */
73
74         /* I2S */
75         GPIO28_I2S_BITCLK_OUT,
76         GPIO29_I2S_SDATA_IN,
77         GPIO30_I2S_SDATA_OUT,
78         GPIO31_I2S_SYNC,
79         GPIO32_I2S_SYSCLK,
80
81         /* Infra-Red */
82         GPIO47_FICP_TXD,
83         GPIO46_FICP_RXD,
84
85         /* FFUART */
86         GPIO40_FFUART_DTR,
87         GPIO41_FFUART_RTS,
88         GPIO39_FFUART_TXD,
89         GPIO37_FFUART_DSR,
90         GPIO34_FFUART_RXD,
91         GPIO35_FFUART_CTS,
92
93         /* LCD */
94         GPIO58_LCD_LDD_0,
95         GPIO59_LCD_LDD_1,
96         GPIO60_LCD_LDD_2,
97         GPIO61_LCD_LDD_3,
98         GPIO62_LCD_LDD_4,
99         GPIO63_LCD_LDD_5,
100         GPIO64_LCD_LDD_6,
101         GPIO65_LCD_LDD_7,
102         GPIO66_LCD_LDD_8,
103         GPIO67_LCD_LDD_9,
104         GPIO68_LCD_LDD_10,
105         GPIO69_LCD_LDD_11,
106         GPIO70_LCD_LDD_12,
107         GPIO71_LCD_LDD_13,
108         GPIO72_LCD_LDD_14,
109         GPIO73_LCD_LDD_15,
110         GPIO74_LCD_FCLK,
111         GPIO75_LCD_LCLK,
112         GPIO76_LCD_PCLK,
113         GPIO77_LCD_BIAS,
114
115         /* PC Card */
116         GPIO48_nPOE,
117         GPIO49_nPWE,
118         GPIO50_nPIOR,
119         GPIO51_nPIOW,
120         GPIO52_nPCE_1,
121         GPIO53_nPCE_2,
122         GPIO54_nPSKTSEL,
123         GPIO55_nPREG,
124         GPIO56_nPWAIT,
125         GPIO57_nIOIS16,
126
127         /* MMC */
128         GPIO6_MMC_CLK,
129         GPIO8_MMC_CS0,
130
131         /* GPIO */
132         GPIO9_GPIO,     /* POODLE_GPIO_nSD_DETECT */
133         GPIO7_GPIO,     /* POODLE_GPIO_nSD_WP */
134         GPIO3_GPIO,     /* POODLE_GPIO_SD_PWR */
135         GPIO33_GPIO,    /* POODLE_GPIO_SD_PWR1 */
136
137         GPIO20_GPIO,    /* POODLE_GPIO_USB_PULLUP */
138         GPIO22_GPIO,    /* POODLE_GPIO_IR_ON */
139 };
140
141 static struct resource poodle_scoop_resources[] = {
142         [0] = {
143                 .start          = 0x10800000,
144                 .end            = 0x10800fff,
145                 .flags          = IORESOURCE_MEM,
146         },
147 };
148
149 static struct scoop_config poodle_scoop_setup = {
150         .io_dir         = POODLE_SCOOP_IO_DIR,
151         .io_out         = POODLE_SCOOP_IO_OUT,
152         .gpio_base      = POODLE_SCOOP_GPIO_BASE,
153 };
154
155 struct platform_device poodle_scoop_device = {
156         .name           = "sharp-scoop",
157         .id             = -1,
158         .dev            = {
159                 .platform_data  = &poodle_scoop_setup,
160         },
161         .num_resources  = ARRAY_SIZE(poodle_scoop_resources),
162         .resource       = poodle_scoop_resources,
163 };
164
165 static struct scoop_pcmcia_dev poodle_pcmcia_scoop[] = {
166 {
167         .dev        = &poodle_scoop_device.dev,
168         .irq        = POODLE_IRQ_GPIO_CF_IRQ,
169         .cd_irq     = POODLE_IRQ_GPIO_CF_CD,
170         .cd_irq_str = "PCMCIA0 CD",
171 },
172 };
173
174 static struct scoop_pcmcia_config poodle_pcmcia_config = {
175         .devs         = &poodle_pcmcia_scoop[0],
176         .num_devs     = 1,
177 };
178
179 EXPORT_SYMBOL(poodle_scoop_device);
180
181
182 /* LoCoMo device */
183 static struct resource locomo_resources[] = {
184         [0] = {
185                 .start          = 0x10000000,
186                 .end            = 0x10001fff,
187                 .flags          = IORESOURCE_MEM,
188         },
189         [1] = {
190                 .start          = IRQ_GPIO(10),
191                 .end            = IRQ_GPIO(10),
192                 .flags          = IORESOURCE_IRQ,
193         },
194 };
195
196 struct platform_device poodle_locomo_device = {
197         .name           = "locomo",
198         .id             = 0,
199         .num_resources  = ARRAY_SIZE(locomo_resources),
200         .resource       = locomo_resources,
201 };
202
203 EXPORT_SYMBOL(poodle_locomo_device);
204
205 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
206 static struct pxa2xx_spi_master poodle_spi_info = {
207         .num_chipselect = 1,
208 };
209
210 static struct ads7846_platform_data poodle_ads7846_info = {
211         .model                  = 7846,
212         .vref_delay_usecs       = 100,
213         .x_plate_ohms           = 419,
214         .y_plate_ohms           = 486,
215         .gpio_pendown           = POODLE_GPIO_TP_INT,
216 };
217
218 static void ads7846_cs(u32 command)
219 {
220         gpio_set_value(POODLE_GPIO_TP_CS, !(command == PXA2XX_CS_ASSERT));
221 }
222
223 static struct pxa2xx_spi_chip poodle_ads7846_chip = {
224         .cs_control             = ads7846_cs,
225 };
226
227 static struct spi_board_info poodle_spi_devices[] = {
228         {
229                 .modalias       = "ads7846",
230                 .max_speed_hz   = 10000,
231                 .bus_num        = 1,
232                 .platform_data  = &poodle_ads7846_info,
233                 .controller_data= &poodle_ads7846_chip,
234                 .irq            = gpio_to_irq(POODLE_GPIO_TP_INT),
235         },
236 };
237
238 static void __init poodle_init_spi(void)
239 {
240         int err;
241
242         err = gpio_request(POODLE_GPIO_TP_CS, "ADS7846_CS");
243         if (err)
244                 return;
245
246         gpio_direction_output(POODLE_GPIO_TP_CS, 1);
247
248         pxa2xx_set_spi_info(1, &poodle_spi_info);
249         spi_register_board_info(ARRAY_AND_SIZE(poodle_spi_devices));
250 }
251 #else
252 static inline void poodle_init_spi(void) {}
253 #endif
254
255 /*
256  * MMC/SD Device
257  *
258  * The card detect interrupt isn't debounced so we delay it by 250ms
259  * to give the card a chance to fully insert/eject.
260  */
261 static struct pxamci_platform_data poodle_mci_platform_data;
262
263 static int poodle_mci_init(struct device *dev, irq_handler_t poodle_detect_int, void *data)
264 {
265         int err;
266
267         err = gpio_request(POODLE_GPIO_nSD_DETECT, "nSD_DETECT");
268         if (err)
269                 goto err_out;
270
271         err = gpio_request(POODLE_GPIO_nSD_WP, "nSD_WP");
272         if (err)
273                 goto err_free_1;
274
275         err = gpio_request(POODLE_GPIO_SD_PWR, "SD_PWR");
276         if (err)
277                 goto err_free_2;
278
279         err = gpio_request(POODLE_GPIO_SD_PWR1, "SD_PWR1");
280         if (err)
281                 goto err_free_3;
282
283         gpio_direction_input(POODLE_GPIO_nSD_DETECT);
284         gpio_direction_input(POODLE_GPIO_nSD_WP);
285
286         gpio_direction_output(POODLE_GPIO_SD_PWR, 0);
287         gpio_direction_output(POODLE_GPIO_SD_PWR1, 0);
288
289         poodle_mci_platform_data.detect_delay = msecs_to_jiffies(250);
290
291         err = request_irq(POODLE_IRQ_GPIO_nSD_DETECT, poodle_detect_int,
292                           IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
293                           "MMC card detect", data);
294         if (err) {
295                 pr_err("%s: MMC/SD: can't request MMC card detect IRQ\n",
296                                 __func__);
297                 goto err_free_4;
298         }
299
300         return 0;
301
302 err_free_4:
303         gpio_free(POODLE_GPIO_SD_PWR1);
304 err_free_3:
305         gpio_free(POODLE_GPIO_SD_PWR);
306 err_free_2:
307         gpio_free(POODLE_GPIO_nSD_WP);
308 err_free_1:
309         gpio_free(POODLE_GPIO_nSD_DETECT);
310 err_out:
311         return err;
312 }
313
314 static void poodle_mci_setpower(struct device *dev, unsigned int vdd)
315 {
316         struct pxamci_platform_data* p_d = dev->platform_data;
317
318         if ((1 << vdd) & p_d->ocr_mask) {
319                 gpio_set_value(POODLE_GPIO_SD_PWR, 1);
320                 mdelay(2);
321                 gpio_set_value(POODLE_GPIO_SD_PWR1, 1);
322         } else {
323                 gpio_set_value(POODLE_GPIO_SD_PWR1, 0);
324                 gpio_set_value(POODLE_GPIO_SD_PWR, 0);
325         }
326 }
327
328 static int poodle_mci_get_ro(struct device *dev)
329 {
330         return !!gpio_get_value(POODLE_GPIO_nSD_WP);
331         return GPLR(POODLE_GPIO_nSD_WP) & GPIO_bit(POODLE_GPIO_nSD_WP);
332 }
333
334
335 static void poodle_mci_exit(struct device *dev, void *data)
336 {
337         free_irq(POODLE_IRQ_GPIO_nSD_DETECT, data);
338         gpio_free(POODLE_GPIO_SD_PWR1);
339         gpio_free(POODLE_GPIO_SD_PWR);
340         gpio_free(POODLE_GPIO_nSD_WP);
341         gpio_free(POODLE_GPIO_nSD_DETECT);
342 }
343
344 static struct pxamci_platform_data poodle_mci_platform_data = {
345         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
346         .init           = poodle_mci_init,
347         .get_ro         = poodle_mci_get_ro,
348         .setpower       = poodle_mci_setpower,
349         .exit           = poodle_mci_exit,
350 };
351
352
353 /*
354  * Irda
355  */
356 static void poodle_irda_transceiver_mode(struct device *dev, int mode)
357 {
358         gpio_set_value(POODLE_GPIO_IR_ON, mode & IR_OFF);
359         pxa2xx_transceiver_mode(dev, mode);
360 }
361
362 static int poodle_irda_startup(struct device *dev)
363 {
364         int err;
365
366         err = gpio_request(POODLE_GPIO_IR_ON, "IR_ON");
367         if (err)
368                 return err;
369
370         gpio_direction_output(POODLE_GPIO_IR_ON, 1);
371         return 0;
372 }
373
374 static void poodle_irda_shutdown(struct device *dev)
375 {
376         gpio_free(POODLE_GPIO_IR_ON);
377 }
378
379 static struct pxaficp_platform_data poodle_ficp_platform_data = {
380         .transceiver_cap        = IR_SIRMODE | IR_OFF,
381         .transceiver_mode       = poodle_irda_transceiver_mode,
382         .startup                = poodle_irda_startup,
383         .shutdown               = poodle_irda_shutdown,
384 };
385
386
387 /*
388  * USB Device Controller
389  */
390 static struct pxa2xx_udc_mach_info udc_info __initdata = {
391         /* no connect GPIO; poodle can't tell connection status */
392         .gpio_pullup    = POODLE_GPIO_USB_PULLUP,
393 };
394
395
396 /* PXAFB device */
397 static struct pxafb_mode_info poodle_fb_mode = {
398         .pixclock       = 144700,
399         .xres           = 320,
400         .yres           = 240,
401         .bpp            = 16,
402         .hsync_len      = 7,
403         .left_margin    = 11,
404         .right_margin   = 30,
405         .vsync_len      = 2,
406         .upper_margin   = 2,
407         .lower_margin   = 0,
408         .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
409 };
410
411 static struct pxafb_mach_info poodle_fb_info = {
412         .modes          = &poodle_fb_mode,
413         .num_modes      = 1,
414         .lcd_conn       = LCD_COLOR_TFT_16BPP,
415 };
416
417 static struct mtd_partition sharpsl_nand_partitions[] = {
418         {
419                 .name = "System Area",
420                 .offset = 0,
421                 .size = 7 * 1024 * 1024,
422         },
423         {
424                 .name = "Root Filesystem",
425                 .offset = 7 * 1024 * 1024,
426                 .size = 22 * 1024 * 1024,
427         },
428         {
429                 .name = "Home Filesystem",
430                 .offset = MTDPART_OFS_APPEND,
431                 .size = MTDPART_SIZ_FULL,
432         },
433 };
434
435 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
436
437 static struct nand_bbt_descr sharpsl_bbt = {
438         .options = 0,
439         .offs = 4,
440         .len = 2,
441         .pattern = scan_ff_pattern
442 };
443
444 static struct sharpsl_nand_platform_data sharpsl_nand_platform_data = {
445         .badblock_pattern       = &sharpsl_bbt,
446         .partitions             = sharpsl_nand_partitions,
447         .nr_partitions          = ARRAY_SIZE(sharpsl_nand_partitions),
448 };
449
450 static struct resource sharpsl_nand_resources[] = {
451         {
452                 .start  = 0x0C000000,
453                 .end    = 0x0C000FFF,
454                 .flags  = IORESOURCE_MEM,
455         },
456 };
457
458 static struct platform_device sharpsl_nand_device = {
459         .name           = "sharpsl-nand",
460         .id             = -1,
461         .resource       = sharpsl_nand_resources,
462         .num_resources  = ARRAY_SIZE(sharpsl_nand_resources),
463         .dev.platform_data      = &sharpsl_nand_platform_data,
464 };
465
466 static struct platform_device *devices[] __initdata = {
467         &poodle_locomo_device,
468         &poodle_scoop_device,
469         &sharpsl_nand_device,
470 };
471
472 static void poodle_poweroff(void)
473 {
474         arm_machine_restart('h');
475 }
476
477 static void poodle_restart(char mode)
478 {
479         arm_machine_restart('h');
480 }
481
482 static void __init poodle_init(void)
483 {
484         int ret = 0;
485
486         pm_power_off = poodle_poweroff;
487         arm_pm_restart = poodle_restart;
488
489         PCFR |= PCFR_OPDE;
490
491         pxa2xx_mfp_config(ARRAY_AND_SIZE(poodle_pin_config));
492
493         platform_scoop_config = &poodle_pcmcia_config;
494
495         ret = platform_add_devices(devices, ARRAY_SIZE(devices));
496         if (ret)
497                 pr_warning("poodle: Unable to register LoCoMo device\n");
498
499         set_pxa_fb_parent(&poodle_locomo_device.dev);
500         set_pxa_fb_info(&poodle_fb_info);
501         pxa_set_udc_info(&udc_info);
502         pxa_set_mci_info(&poodle_mci_platform_data);
503         pxa_set_ficp_info(&poodle_ficp_platform_data);
504         pxa_set_i2c_info(NULL);
505         poodle_init_spi();
506 }
507
508 static void __init fixup_poodle(struct machine_desc *desc,
509                 struct tag *tags, char **cmdline, struct meminfo *mi)
510 {
511         sharpsl_save_param();
512         mi->nr_banks=1;
513         mi->bank[0].start = 0xa0000000;
514         mi->bank[0].node = 0;
515         mi->bank[0].size = (32*1024*1024);
516 }
517
518 MACHINE_START(POODLE, "SHARP Poodle")
519         .phys_io        = 0x40000000,
520         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
521         .fixup          = fixup_poodle,
522         .map_io         = pxa_map_io,
523         .init_irq       = pxa25x_init_irq,
524         .timer          = &pxa_timer,
525         .init_machine   = poodle_init,
526 MACHINE_END