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microblaze/PCI: factor out pcibios_setup()
[linux-2.6.git] / arch / arm / mach-imx / mach-mx27_3ds.c
blobc6d385c522576f1052eeb474fc2d69a86faa7a0e
1 /*
2 * Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved.
3 *
4 * Author: Fabio Estevam <fabio.estevam@freescale.com>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 */
16
17 /*
18 * This machine is known as:
19 * - i.MX27 3-Stack Development System
20 * - i.MX27 Platform Development Kit (i.MX27 PDK)
21 */
22
23 #include <linux/platform_device.h>
24 #include <linux/gpio.h>
25 #include <linux/irq.h>
26 #include <linux/usb/otg.h>
27 #include <linux/usb/ulpi.h>
28 #include <linux/delay.h>
29 #include <linux/mfd/mc13783.h>
30 #include <linux/spi/spi.h>
31 #include <linux/regulator/machine.h>
32 #include <linux/spi/l4f00242t03.h>
33
34 #include <media/soc_camera.h>
35
36 #include <asm/mach-types.h>
37 #include <asm/mach/arch.h>
38 #include <asm/mach/time.h>
39 #include <mach/hardware.h>
40 #include <mach/common.h>
41 #include <mach/iomux-mx27.h>
42 #include <mach/ulpi.h>
43 #include <mach/irqs.h>
44 #include <mach/3ds_debugboard.h>
45
46 #include "devices-imx27.h"
47
48 #define SD1_EN_GPIO IMX_GPIO_NR(2, 25)
49 #define OTG_PHY_RESET_GPIO IMX_GPIO_NR(2, 23)
50 #define SPI2_SS0 IMX_GPIO_NR(4, 21)
51 #define EXPIO_PARENT_INT gpio_to_irq(IMX_GPIO_NR(3, 28))
52 #define PMIC_INT IMX_GPIO_NR(3, 14)
53 #define SPI1_SS0 IMX_GPIO_NR(4, 28)
54 #define SD1_CD IMX_GPIO_NR(2, 26)
55 #define LCD_RESET IMX_GPIO_NR(1, 3)
56 #define LCD_ENABLE IMX_GPIO_NR(1, 31)
57 #define CSI_PWRDWN IMX_GPIO_NR(4, 19)
58 #define CSI_RESET IMX_GPIO_NR(3, 6)
59
60 static const int mx27pdk_pins[] __initconst = {
61 /* UART1 */
62 PE12_PF_UART1_TXD,
63 PE13_PF_UART1_RXD,
64 PE14_PF_UART1_CTS,
65 PE15_PF_UART1_RTS,
66 /* FEC */
67 PD0_AIN_FEC_TXD0,
68 PD1_AIN_FEC_TXD1,
69 PD2_AIN_FEC_TXD2,
70 PD3_AIN_FEC_TXD3,
71 PD4_AOUT_FEC_RX_ER,
72 PD5_AOUT_FEC_RXD1,
73 PD6_AOUT_FEC_RXD2,
74 PD7_AOUT_FEC_RXD3,
75 PD8_AF_FEC_MDIO,
76 PD9_AIN_FEC_MDC,
77 PD10_AOUT_FEC_CRS,
78 PD11_AOUT_FEC_TX_CLK,
79 PD12_AOUT_FEC_RXD0,
80 PD13_AOUT_FEC_RX_DV,
81 PD14_AOUT_FEC_RX_CLK,
82 PD15_AOUT_FEC_COL,
83 PD16_AIN_FEC_TX_ER,
84 PF23_AIN_FEC_TX_EN,
85 /* SDHC1 */
86 PE18_PF_SD1_D0,
87 PE19_PF_SD1_D1,
88 PE20_PF_SD1_D2,
89 PE21_PF_SD1_D3,
90 PE22_PF_SD1_CMD,
91 PE23_PF_SD1_CLK,
92 SD1_EN_GPIO | GPIO_GPIO | GPIO_OUT,
93 /* OTG */
94 OTG_PHY_RESET_GPIO | GPIO_GPIO | GPIO_OUT,
95 PC7_PF_USBOTG_DATA5,
96 PC8_PF_USBOTG_DATA6,
97 PC9_PF_USBOTG_DATA0,
98 PC10_PF_USBOTG_DATA2,
99 PC11_PF_USBOTG_DATA1,
100 PC12_PF_USBOTG_DATA4,
101 PC13_PF_USBOTG_DATA3,
102 PE0_PF_USBOTG_NXT,
103 PE1_PF_USBOTG_STP,
104 PE2_PF_USBOTG_DIR,
105 PE24_PF_USBOTG_CLK,
106 PE25_PF_USBOTG_DATA7,
107 /* CSPI1 */
108 PD31_PF_CSPI1_MOSI,
109 PD30_PF_CSPI1_MISO,
110 PD29_PF_CSPI1_SCLK,
111 PD25_PF_CSPI1_RDY,
112 SPI1_SS0 | GPIO_GPIO | GPIO_OUT,
113 /* CSPI2 */
114 PD22_PF_CSPI2_SCLK,
115 PD23_PF_CSPI2_MISO,
116 PD24_PF_CSPI2_MOSI,
117 SPI2_SS0 | GPIO_GPIO | GPIO_OUT,
118 /* I2C1 */
119 PD17_PF_I2C_DATA,
120 PD18_PF_I2C_CLK,
121 /* PMIC INT */
122 PMIC_INT | GPIO_GPIO | GPIO_IN,
123 /* LCD */
124 PA5_PF_LSCLK,
125 PA6_PF_LD0,
126 PA7_PF_LD1,
127 PA8_PF_LD2,
128 PA9_PF_LD3,
129 PA10_PF_LD4,
130 PA11_PF_LD5,
131 PA12_PF_LD6,
132 PA13_PF_LD7,
133 PA14_PF_LD8,
134 PA15_PF_LD9,
135 PA16_PF_LD10,
136 PA17_PF_LD11,
137 PA18_PF_LD12,
138 PA19_PF_LD13,
139 PA20_PF_LD14,
140 PA21_PF_LD15,
141 PA22_PF_LD16,
142 PA23_PF_LD17,
143 PA28_PF_HSYNC,
144 PA29_PF_VSYNC,
145 PA30_PF_CONTRAST,
146 LCD_ENABLE | GPIO_GPIO | GPIO_OUT,
147 LCD_RESET | GPIO_GPIO | GPIO_OUT,
148 /* CSI */
149 PB10_PF_CSI_D0,
150 PB11_PF_CSI_D1,
151 PB12_PF_CSI_D2,
152 PB13_PF_CSI_D3,
153 PB14_PF_CSI_D4,
154 PB15_PF_CSI_MCLK,
155 PB16_PF_CSI_PIXCLK,
156 PB17_PF_CSI_D5,
157 PB18_PF_CSI_D6,
158 PB19_PF_CSI_D7,
159 PB20_PF_CSI_VSYNC,
160 PB21_PF_CSI_HSYNC,
161 CSI_PWRDWN | GPIO_GPIO | GPIO_OUT,
162 CSI_RESET | GPIO_GPIO | GPIO_OUT,
163 };
164
165 static struct gpio mx27_3ds_camera_gpios[] = {
166 { CSI_PWRDWN, GPIOF_OUT_INIT_HIGH, "camera-power" },
167 { CSI_RESET, GPIOF_OUT_INIT_HIGH, "camera-reset" },
168 };
169
170 static const struct imxuart_platform_data uart_pdata __initconst = {
171 .flags = IMXUART_HAVE_RTSCTS,
172 };
173
174 /*
175 * Matrix keyboard
176 */
177
178 static const uint32_t mx27_3ds_keymap[] = {
179 KEY(0, 0, KEY_UP),
180 KEY(0, 1, KEY_DOWN),
181 KEY(1, 0, KEY_RIGHT),
182 KEY(1, 1, KEY_LEFT),
183 KEY(1, 2, KEY_ENTER),
184 KEY(2, 0, KEY_F6),
185 KEY(2, 1, KEY_F8),
186 KEY(2, 2, KEY_F9),
187 KEY(2, 3, KEY_F10),
188 };
189
190 static const struct matrix_keymap_data mx27_3ds_keymap_data __initconst = {
191 .keymap = mx27_3ds_keymap,
192 .keymap_size = ARRAY_SIZE(mx27_3ds_keymap),
193 };
194
195 static int mx27_3ds_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
196 void *data)
197 {
198 return request_irq(gpio_to_irq(SD1_CD), detect_irq,
199 IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING, "sdhc1-card-detect", data);
200 }
201
202 static void mx27_3ds_sdhc1_exit(struct device *dev, void *data)
203 {
204 free_irq(gpio_to_irq(SD1_CD), data);
205 }
206
207 static const struct imxmmc_platform_data sdhc1_pdata __initconst = {
208 .init = mx27_3ds_sdhc1_init,
209 .exit = mx27_3ds_sdhc1_exit,
210 };
211
212 static void mx27_3ds_sdhc1_enable_level_translator(void)
213 {
214 /* Turn on TXB0108 OE pin */
215 gpio_request(SD1_EN_GPIO, "sd1_enable");
216 gpio_direction_output(SD1_EN_GPIO, 1);
217 }
218
219
220 static int otg_phy_init(void)
221 {
222 gpio_request(OTG_PHY_RESET_GPIO, "usb-otg-reset");
223 gpio_direction_output(OTG_PHY_RESET_GPIO, 0);
224 mdelay(1);
225 gpio_set_value(OTG_PHY_RESET_GPIO, 1);
226 return 0;
227 }
228
229 static int mx27_3ds_otg_init(struct platform_device *pdev)
230 {
231 return mx27_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_DIFF_UNI);
232 }
233
234 static struct mxc_usbh_platform_data otg_pdata __initdata = {
235 .init = mx27_3ds_otg_init,
236 .portsc = MXC_EHCI_MODE_ULPI,
237 };
238
239 static const struct fsl_usb2_platform_data otg_device_pdata __initconst = {
240 .operating_mode = FSL_USB2_DR_DEVICE,
241 .phy_mode = FSL_USB2_PHY_ULPI,
242 };
243
244 static int otg_mode_host;
245
246 static int __init mx27_3ds_otg_mode(char *options)
247 {
248 if (!strcmp(options, "host"))
249 otg_mode_host = 1;
250 else if (!strcmp(options, "device"))
251 otg_mode_host = 0;
252 else
253 pr_info("otg_mode neither \"host\" nor \"device\". "
254 "Defaulting to device\n");
255 return 0;
256 }
257 __setup("otg_mode=", mx27_3ds_otg_mode);
258
259 /* Regulators */
260 static struct regulator_init_data gpo_init = {
261 .constraints = {
262 .boot_on = 1,
263 .always_on = 1,
264 }
265 };
266
267 static struct regulator_consumer_supply vmmc1_consumers[] = {
268 REGULATOR_SUPPLY("vcore", "spi0.0"),
269 REGULATOR_SUPPLY("cmos_2v8", "soc-camera-pdrv.0"),
270 };
271
272 static struct regulator_init_data vmmc1_init = {
273 .constraints = {
274 .min_uV = 2800000,
275 .max_uV = 2800000,
276 .apply_uV = 1,
277 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
278 REGULATOR_CHANGE_STATUS,
279 },
280 .num_consumer_supplies = ARRAY_SIZE(vmmc1_consumers),
281 .consumer_supplies = vmmc1_consumers,
282 };
283
284 static struct regulator_consumer_supply vgen_consumers[] = {
285 REGULATOR_SUPPLY("vdd", "spi0.0"),
286 };
287
288 static struct regulator_init_data vgen_init = {
289 .constraints = {
290 .min_uV = 1800000,
291 .max_uV = 1800000,
292 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
293 },
294 .num_consumer_supplies = ARRAY_SIZE(vgen_consumers),
295 .consumer_supplies = vgen_consumers,
296 };
297
298 static struct regulator_consumer_supply vvib_consumers[] = {
299 REGULATOR_SUPPLY("cmos_vcore", "soc-camera-pdrv.0"),
300 };
301
302 static struct regulator_init_data vvib_init = {
303 .constraints = {
304 .min_uV = 1300000,
305 .max_uV = 1300000,
306 .apply_uV = 1,
307 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
308 REGULATOR_CHANGE_STATUS,
309 },
310 .num_consumer_supplies = ARRAY_SIZE(vvib_consumers),
311 .consumer_supplies = vvib_consumers,
312 };
313
314 static struct mc13xxx_regulator_init_data mx27_3ds_regulators[] = {
315 {
316 .id = MC13783_REG_VMMC1,
317 .init_data = &vmmc1_init,
318 }, {
319 .id = MC13783_REG_VGEN,
320 .init_data = &vgen_init,
321 }, {
322 .id = MC13783_REG_GPO1, /* Turn on 1.8V */
323 .init_data = &gpo_init,
324 }, {
325 .id = MC13783_REG_GPO3, /* Turn on 3.3V */
326 .init_data = &gpo_init,
327 }, {
328 .id = MC13783_REG_VVIB, /* Power OV2640 */
329 .init_data = &vvib_init,
330 },
331 };
332
333 /* MC13783 */
334 static struct mc13xxx_platform_data mc13783_pdata = {
335 .regulators = {
336 .regulators = mx27_3ds_regulators,
337 .num_regulators = ARRAY_SIZE(mx27_3ds_regulators),
338
339 },
340 .flags = MC13XXX_USE_TOUCHSCREEN | MC13XXX_USE_RTC,
341 };
342
343 /* SPI */
344 static int spi1_chipselect[] = {SPI1_SS0};
345
346 static const struct spi_imx_master spi1_pdata __initconst = {
347 .chipselect = spi1_chipselect,
348 .num_chipselect = ARRAY_SIZE(spi1_chipselect),
349 };
350
351 static int spi2_chipselect[] = {SPI2_SS0};
352
353 static const struct spi_imx_master spi2_pdata __initconst = {
354 .chipselect = spi2_chipselect,
355 .num_chipselect = ARRAY_SIZE(spi2_chipselect),
356 };
357
358 static int mx27_3ds_camera_power(struct device *dev, int on)
359 {
360 /* enable or disable the camera */
361 pr_debug("%s: %s the camera\n", __func__, on ? "ENABLE" : "DISABLE");
362 gpio_set_value(CSI_PWRDWN, on ? 0 : 1);
363
364 if (!on)
365 goto out;
366
367 /* If enabled, give a reset impulse */
368 gpio_set_value(CSI_RESET, 0);
369 msleep(20);
370 gpio_set_value(CSI_RESET, 1);
371 msleep(100);
372
373 out:
374 return 0;
375 }
376
377 static struct i2c_board_info mx27_3ds_i2c_camera = {
378 I2C_BOARD_INFO("ov2640", 0x30),
379 };
380
381 static struct regulator_bulk_data mx27_3ds_camera_regs[] = {
382 { .supply = "cmos_vcore" },
383 { .supply = "cmos_2v8" },
384 };
385
386 static struct soc_camera_link iclink_ov2640 = {
387 .bus_id = 0,
388 .board_info = &mx27_3ds_i2c_camera,
389 .i2c_adapter_id = 0,
390 .power = mx27_3ds_camera_power,
391 .regulators = mx27_3ds_camera_regs,
392 .num_regulators = ARRAY_SIZE(mx27_3ds_camera_regs),
393 };
394
395 static struct platform_device mx27_3ds_ov2640 = {
396 .name = "soc-camera-pdrv",
397 .id = 0,
398 .dev = {
399 .platform_data = &iclink_ov2640,
400 },
401 };
402
403 static struct imx_fb_videomode mx27_3ds_modes[] = {
404 { /* 480x640 @ 60 Hz */
405 .mode = {
406 .name = "Epson-VGA",
407 .refresh = 60,
408 .xres = 480,
409 .yres = 640,
410 .pixclock = 41701,
411 .left_margin = 20,
412 .right_margin = 41,
413 .upper_margin = 10,
414 .lower_margin = 5,
415 .hsync_len = 20,
416 .vsync_len = 10,
417 .sync = FB_SYNC_OE_ACT_HIGH |
418 FB_SYNC_CLK_INVERT,
419 .vmode = FB_VMODE_NONINTERLACED,
420 .flag = 0,
421 },
422 .bpp = 16,
423 .pcr = 0xFAC08B82,
424 },
425 };
426
427 static const struct imx_fb_platform_data mx27_3ds_fb_data __initconst = {
428 .mode = mx27_3ds_modes,
429 .num_modes = ARRAY_SIZE(mx27_3ds_modes),
430 .pwmr = 0x00A903FF,
431 .lscr1 = 0x00120300,
432 .dmacr = 0x00020010,
433 };
434
435 /* LCD */
436 static struct l4f00242t03_pdata mx27_3ds_lcd_pdata = {
437 .reset_gpio = LCD_RESET,
438 .data_enable_gpio = LCD_ENABLE,
439 };
440
441 static struct spi_board_info mx27_3ds_spi_devs[] __initdata = {
442 {
443 .modalias = "mc13783",
444 .max_speed_hz = 1000000,
445 .bus_num = 1,
446 .chip_select = 0, /* SS0 */
447 .platform_data = &mc13783_pdata,
448 .irq = IMX_GPIO_TO_IRQ(PMIC_INT),
449 .mode = SPI_CS_HIGH,
450 }, {
451 .modalias = "l4f00242t03",
452 .max_speed_hz = 5000000,
453 .bus_num = 0,
454 .chip_select = 0, /* SS0 */
455 .platform_data = &mx27_3ds_lcd_pdata,
456 },
457 };
458
459 static struct platform_device *devices[] __initdata = {
460 &mx27_3ds_ov2640,
461 };
462
463 static const struct mx2_camera_platform_data mx27_3ds_cam_pdata __initconst = {
464 .clk = 26000000,
465 };
466
467 static const struct imxi2c_platform_data mx27_3ds_i2c0_data __initconst = {
468 .bitrate = 100000,
469 };
470
471 static void __init mx27pdk_init(void)
472 {
473 int ret;
474 imx27_soc_init();
475
476 mxc_gpio_setup_multiple_pins(mx27pdk_pins, ARRAY_SIZE(mx27pdk_pins),
477 "mx27pdk");
478 mx27_3ds_sdhc1_enable_level_translator();
479 imx27_add_imx_uart0(&uart_pdata);
480 imx27_add_fec(NULL);
481 imx27_add_imx_keypad(&mx27_3ds_keymap_data);
482 imx27_add_mxc_mmc(0, &sdhc1_pdata);
483 imx27_add_imx2_wdt(NULL);
484 otg_phy_init();
485
486 if (otg_mode_host) {
487 otg_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
488 ULPI_OTG_DRVVBUS_EXT);
489
490 if (otg_pdata.otg)
491 imx27_add_mxc_ehci_otg(&otg_pdata);
492 }
493
494 if (!otg_mode_host)
495 imx27_add_fsl_usb2_udc(&otg_device_pdata);
496
497 imx27_add_spi_imx1(&spi2_pdata);
498 imx27_add_spi_imx0(&spi1_pdata);
499 spi_register_board_info(mx27_3ds_spi_devs,
500 ARRAY_SIZE(mx27_3ds_spi_devs));
501
502 if (mxc_expio_init(MX27_CS5_BASE_ADDR, EXPIO_PARENT_INT))
503 pr_warn("Init of the debugboard failed, all devices on the debugboard are unusable.\n");
504 imx27_add_imx_i2c(0, &mx27_3ds_i2c0_data);
505 platform_add_devices(devices, ARRAY_SIZE(devices));
506 imx27_add_imx_fb(&mx27_3ds_fb_data);
507
508 ret = gpio_request_array(mx27_3ds_camera_gpios,
509 ARRAY_SIZE(mx27_3ds_camera_gpios));
510 if (ret) {
511 pr_err("Failed to request camera gpios");
512 iclink_ov2640.power = NULL;
513 }
514
515 imx27_add_mx2_camera(&mx27_3ds_cam_pdata);
516 }
517
518 static void __init mx27pdk_timer_init(void)
519 {
520 mx27_clocks_init(26000000);
521 }
522
523 static struct sys_timer mx27pdk_timer = {
524 .init = mx27pdk_timer_init,
525 };
526
527 MACHINE_START(MX27_3DS, "Freescale MX27PDK")
528 /* maintainer: Freescale Semiconductor, Inc. */
529 .atag_offset = 0x100,
530 .map_io = mx27_map_io,
531 .init_early = imx27_init_early,
532 .init_irq = mx27_init_irq,
533 .handle_irq = imx27_handle_irq,
534 .timer = &mx27pdk_timer,
535 .init_machine = mx27pdk_init,
536 .restart = mxc_restart,
537 MACHINE_END
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