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ARM: mx3+mx5: rename mxc_board_init to ${machine}_init
[deliverable/linux.git] / arch / arm / mach-mx3 / mach-armadillo5x0.c
CommitLineData
5e9145ed
AP		 1/*
2 * armadillo5x0.c
3 *
4 * Copyright 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com>
5 * updates in http://alberdroid.blogspot.com/
6 *
7 * Based on Atmark Techno, Inc. armadillo 500 BSP 2008
8 * Based on mx31ads.c and pcm037.c Great Work!
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
23 * MA 02110-1301, USA.
24 */
25
26#include <linux/types.h>
27#include <linux/init.h>
28#include <linux/clk.h>
29#include <linux/platform_device.h>
30#include <linux/gpio.h>
31#include <linux/smsc911x.h>
32#include <linux/interrupt.h>
33#include <linux/irq.h>
c3a9c7f5 34#include <linux/mtd/physmap.h>
0c8bad6a 35#include <linux/io.h>
e33c049c
AP		 36#include <linux/input.h>
37#include <linux/gpio_keys.h>
2097abcb 38#include <linux/i2c.h>
b3aa111f
AP		 39#include <linux/usb/otg.h>
40#include <linux/usb/ulpi.h>
41#include <linux/delay.h>
5e9145ed
AP		 42
43#include <mach/hardware.h>
44#include <asm/mach-types.h>
45#include <asm/mach/arch.h>
46#include <asm/mach/time.h>
47#include <asm/memory.h>
48#include <asm/mach/map.h>
49
50#include <mach/common.h>
5e9145ed 51#include <mach/iomux-mx3.h>
5e9145ed
AP		 52#include <mach/ipu.h>
53#include <mach/mx3fb.h>
b3aa111f 54#include <mach/ulpi.h>
5e9145ed 55
a2ceeef5 56#include "devices-imx31.h"
5e9145ed 57#include "devices.h"
0c8bad6a 58#include "crm_regs.h"
5e9145ed
AP		 59
60static int armadillo5x0_pins[] = {
61 /* UART1 */
62 MX31_PIN_CTS1__CTS1,
63 MX31_PIN_RTS1__RTS1,
64 MX31_PIN_TXD1__TXD1,
65 MX31_PIN_RXD1__RXD1,
66 /* UART2 */
67 MX31_PIN_CTS2__CTS2,
68 MX31_PIN_RTS2__RTS2,
69 MX31_PIN_TXD2__TXD2,
70 MX31_PIN_RXD2__RXD2,
71 /* LAN9118_IRQ */
72 IOMUX_MODE(MX31_PIN_GPIO1_0, IOMUX_CONFIG_GPIO),
73 /* SDHC1 */
74 MX31_PIN_SD1_DATA3__SD1_DATA3,
75 MX31_PIN_SD1_DATA2__SD1_DATA2,
76 MX31_PIN_SD1_DATA1__SD1_DATA1,
77 MX31_PIN_SD1_DATA0__SD1_DATA0,
78 MX31_PIN_SD1_CLK__SD1_CLK,
79 MX31_PIN_SD1_CMD__SD1_CMD,
80 /* Framebuffer */
81 MX31_PIN_LD0__LD0,
82 MX31_PIN_LD1__LD1,
83 MX31_PIN_LD2__LD2,
84 MX31_PIN_LD3__LD3,
85 MX31_PIN_LD4__LD4,
86 MX31_PIN_LD5__LD5,
87 MX31_PIN_LD6__LD6,
88 MX31_PIN_LD7__LD7,
89 MX31_PIN_LD8__LD8,
90 MX31_PIN_LD9__LD9,
91 MX31_PIN_LD10__LD10,
92 MX31_PIN_LD11__LD11,
93 MX31_PIN_LD12__LD12,
94 MX31_PIN_LD13__LD13,
95 MX31_PIN_LD14__LD14,
96 MX31_PIN_LD15__LD15,
97 MX31_PIN_LD16__LD16,
98 MX31_PIN_LD17__LD17,
99 MX31_PIN_VSYNC3__VSYNC3,
100 MX31_PIN_HSYNC__HSYNC,
101 MX31_PIN_FPSHIFT__FPSHIFT,
102 MX31_PIN_DRDY0__DRDY0,
103 IOMUX_MODE(MX31_PIN_LCS1, IOMUX_CONFIG_GPIO), /*ADV7125_PSAVE*/
e9a6c5d0
AP		 104 /* I2C2 */
105 MX31_PIN_CSPI2_MOSI__SCL,
106 MX31_PIN_CSPI2_MISO__SDA,
b3aa111f
AP		 107 /* OTG */
108 MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,
109 MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,
110 MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,
111 MX31_PIN_USBOTG_DATA3__USBOTG_DATA3,
112 MX31_PIN_USBOTG_DATA4__USBOTG_DATA4,
113 MX31_PIN_USBOTG_DATA5__USBOTG_DATA5,
114 MX31_PIN_USBOTG_DATA6__USBOTG_DATA6,
115 MX31_PIN_USBOTG_DATA7__USBOTG_DATA7,
116 MX31_PIN_USBOTG_CLK__USBOTG_CLK,
117 MX31_PIN_USBOTG_DIR__USBOTG_DIR,
118 MX31_PIN_USBOTG_NXT__USBOTG_NXT,
119 MX31_PIN_USBOTG_STP__USBOTG_STP,
120 /* USB host 2 */
121 IOMUX_MODE(MX31_PIN_USBH2_CLK, IOMUX_CONFIG_FUNC),
122 IOMUX_MODE(MX31_PIN_USBH2_DIR, IOMUX_CONFIG_FUNC),
123 IOMUX_MODE(MX31_PIN_USBH2_NXT, IOMUX_CONFIG_FUNC),
124 IOMUX_MODE(MX31_PIN_USBH2_STP, IOMUX_CONFIG_FUNC),
125 IOMUX_MODE(MX31_PIN_USBH2_DATA0, IOMUX_CONFIG_FUNC),
126 IOMUX_MODE(MX31_PIN_USBH2_DATA1, IOMUX_CONFIG_FUNC),
127 IOMUX_MODE(MX31_PIN_STXD3, IOMUX_CONFIG_FUNC),
128 IOMUX_MODE(MX31_PIN_SRXD3, IOMUX_CONFIG_FUNC),
129 IOMUX_MODE(MX31_PIN_SCK3, IOMUX_CONFIG_FUNC),
130 IOMUX_MODE(MX31_PIN_SFS3, IOMUX_CONFIG_FUNC),
131 IOMUX_MODE(MX31_PIN_STXD6, IOMUX_CONFIG_FUNC),
132 IOMUX_MODE(MX31_PIN_SRXD6, IOMUX_CONFIG_FUNC),
0c8bad6a 133};
e9a6c5d0 134
b3aa111f
AP		 135/* USB */
136#if defined(CONFIG_USB_ULPI)
137
138#define OTG_RESET IOMUX_TO_GPIO(MX31_PIN_STXD4)
139#define USBH2_RESET IOMUX_TO_GPIO(MX31_PIN_SCK6)
140#define USBH2_CS IOMUX_TO_GPIO(MX31_PIN_GPIO1_3)
141
142#define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
143 PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
144
145static int usbotg_init(struct platform_device *pdev)
146{
147 int err;
148
149 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG);
150 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG);
151 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG);
152 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG);
153 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG);
154 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG);
155 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG);
156 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG);
157 mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG);
158 mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG);
159 mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG);
160 mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG);
161
162 /* Chip already enabled by hardware */
163 /* OTG phy reset*/
164 err = gpio_request(OTG_RESET, "USB-OTG-RESET");
165 if (err) {
166 pr_err("Failed to request the usb otg reset gpio\n");
167 return err;
168 }
169
170 err = gpio_direction_output(OTG_RESET, 1/*HIGH*/);
171 if (err) {
172 pr_err("Failed to reset the usb otg phy\n");
173 goto otg_free_reset;
174 }
175
176 gpio_set_value(OTG_RESET, 0/*LOW*/);
177 mdelay(5);
178 gpio_set_value(OTG_RESET, 1/*HIGH*/);
4bd597b6 179 mdelay(10);
b3aa111f 180
4bd597b6
SH		 181 return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED |
182 MXC_EHCI_INTERFACE_DIFF_UNI);
b3aa111f
AP		 183
184otg_free_reset:
185 gpio_free(OTG_RESET);
186 return err;
187}
188
189static int usbh2_init(struct platform_device *pdev)
190{
191 int err;
192
193 mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG);
194 mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG);
195 mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG);
196 mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG);
197 mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG);
198 mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG);
199 mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG);
200 mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG);
201 mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG);
202 mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG);
203 mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG);
204 mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG);
205
206 mxc_iomux_set_gpr(MUX_PGP_UH2, true);
207
208
209 /* Enable the chip */
210 err = gpio_request(USBH2_CS, "USB-H2-CS");
211 if (err) {
212 pr_err("Failed to request the usb host 2 CS gpio\n");
213 return err;
214 }
215
216 err = gpio_direction_output(USBH2_CS, 0/*Enabled*/);
217 if (err) {
218 pr_err("Failed to drive the usb host 2 CS gpio\n");
219 goto h2_free_cs;
220 }
221
222 /* H2 phy reset*/
223 err = gpio_request(USBH2_RESET, "USB-H2-RESET");
224 if (err) {
225 pr_err("Failed to request the usb host 2 reset gpio\n");
226 goto h2_free_cs;
227 }
228
229 err = gpio_direction_output(USBH2_RESET, 1/*HIGH*/);
230 if (err) {
231 pr_err("Failed to reset the usb host 2 phy\n");
232 goto h2_free_reset;
233 }
234
235 gpio_set_value(USBH2_RESET, 0/*LOW*/);
236 mdelay(5);
237 gpio_set_value(USBH2_RESET, 1/*HIGH*/);
4bd597b6 238 mdelay(10);
b3aa111f 239
4bd597b6
SH		 240 return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED |
241 MXC_EHCI_INTERFACE_DIFF_UNI);
b3aa111f
AP		 242
243h2_free_reset:
244 gpio_free(USBH2_RESET);
245h2_free_cs:
246 gpio_free(USBH2_CS);
247 return err;
248}
249
2d58de28 250static struct mxc_usbh_platform_data usbotg_pdata __initdata = {
b3aa111f
AP		 251 .init = usbotg_init,
252 .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
b3aa111f
AP		 253};
254
2d58de28 255static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
b3aa111f
AP		 256 .init = usbh2_init,
257 .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
b3aa111f
AP		 258};
259#endif /* CONFIG_USB_ULPI */
260
2097abcb
AP		 261/* RTC over I2C*/
262#define ARMADILLO5X0_RTC_GPIO IOMUX_TO_GPIO(MX31_PIN_SRXD4)
263
264static struct i2c_board_info armadillo5x0_i2c_rtc = {
265 I2C_BOARD_INFO("s35390a", 0x30),
266};
267
e33c049c
AP		 268/* GPIO BUTTONS */
269static struct gpio_keys_button armadillo5x0_buttons[] = {
270 {
271 .code = KEY_ENTER, /*28*/
272 .gpio = IOMUX_TO_GPIO(MX31_PIN_SCLK0),
273 .active_low = 1,
274 .desc = "menu",
275 .wakeup = 1,
276 }, {
277 .code = KEY_BACK, /*158*/
278 .gpio = IOMUX_TO_GPIO(MX31_PIN_SRST0),
279 .active_low = 1,
280 .desc = "back",
281 .wakeup = 1,
282 }
283};
284
285static struct gpio_keys_platform_data armadillo5x0_button_data = {
286 .buttons = armadillo5x0_buttons,
287 .nbuttons = ARRAY_SIZE(armadillo5x0_buttons),
288};
289
290static struct platform_device armadillo5x0_button_device = {
291 .name = "gpio-keys",
292 .id = -1,
293 .num_resources = 0,
294 .dev = {
295 .platform_data = &armadillo5x0_button_data,
296 }
297};
5e9145ed 298
0c8bad6a
AP		 299/*
300 * NAND Flash
301 */
a2ceeef5
UKK		 302static const struct mxc_nand_platform_data
303armadillo5x0_nand_board_info __initconst = {
0c8bad6a
AP		 304 .width = 1,
305 .hw_ecc = 1,
5e9145ed
AP		 306};
307
c3a9c7f5
AP		 308/*
309 * MTD NOR Flash
310 */
311static struct mtd_partition armadillo5x0_nor_flash_partitions[] = {
312 {
313 .name = "nor.bootloader",
314 .offset = 0x00000000,
315 .size = 4*32*1024,
316 }, {
317 .name = "nor.kernel",
318 .offset = MTDPART_OFS_APPEND,
319 .size = 16*128*1024,
320 }, {
321 .name = "nor.userland",
322 .offset = MTDPART_OFS_APPEND,
323 .size = 110*128*1024,
324 }, {
325 .name = "nor.config",
326 .offset = MTDPART_OFS_APPEND,
327 .size = 1*128*1024,
328 },
329};
330
331static struct physmap_flash_data armadillo5x0_nor_flash_pdata = {
332 .width = 2,
333 .parts = armadillo5x0_nor_flash_partitions,
334 .nr_parts = ARRAY_SIZE(armadillo5x0_nor_flash_partitions),
335};
336
337static struct resource armadillo5x0_nor_flash_resource = {
338 .flags = IORESOURCE_MEM,
f568dd7f
UKK		 339 .start = MX31_CS0_BASE_ADDR,
340 .end = MX31_CS0_BASE_ADDR + SZ_64M - 1,
c3a9c7f5
AP		 341};
342
343static struct platform_device armadillo5x0_nor_flash = {
344 .name = "physmap-flash",
345 .id = -1,
346 .num_resources = 1,
347 .resource = &armadillo5x0_nor_flash_resource,
348};
349
5e9145ed
AP		 350/*
351 * FB support
352 */
353static const struct fb_videomode fb_modedb[] = {
354 { /* 640x480 @ 60 Hz */
355 .name = "CRT-VGA",
356 .refresh = 60,
357 .xres = 640,
358 .yres = 480,
359 .pixclock = 39721,
360 .left_margin = 35,
361 .right_margin = 115,
362 .upper_margin = 43,
363 .lower_margin = 1,
364 .hsync_len = 10,
365 .vsync_len = 1,
366 .sync = FB_SYNC_OE_ACT_HIGH,
367 .vmode = FB_VMODE_NONINTERLACED,
368 .flag = 0,
369 }, {/* 800x600 @ 56 Hz */
370 .name = "CRT-SVGA",
371 .refresh = 56,
372 .xres = 800,
373 .yres = 600,
374 .pixclock = 30000,
375 .left_margin = 30,
376 .right_margin = 108,
377 .upper_margin = 13,
378 .lower_margin = 10,
379 .hsync_len = 10,
380 .vsync_len = 1,
381 .sync = FB_SYNC_OE_ACT_HIGH | FB_SYNC_HOR_HIGH_ACT |
382 FB_SYNC_VERT_HIGH_ACT,
383 .vmode = FB_VMODE_NONINTERLACED,
384 .flag = 0,
385 },
386};
387
388static struct ipu_platform_data mx3_ipu_data = {
389 .irq_base = MXC_IPU_IRQ_START,
390};
391
392static struct mx3fb_platform_data mx3fb_pdata = {
393 .dma_dev = &mx3_ipu.dev,
394 .name = "CRT-VGA",
395 .mode = fb_modedb,
396 .num_modes = ARRAY_SIZE(fb_modedb),
397};
398
399/*
400 * SDHC 1
401 * MMC support
402 */
403static int armadillo5x0_sdhc1_get_ro(struct device *dev)
404{
405 return gpio_get_value(IOMUX_TO_GPIO(MX31_PIN_ATA_RESET_B));
406}
407
408static int armadillo5x0_sdhc1_init(struct device *dev,
409 irq_handler_t detect_irq, void *data)
410{
411 int ret;
412 int gpio_det, gpio_wp;
413
414 gpio_det = IOMUX_TO_GPIO(MX31_PIN_ATA_DMACK);
415 gpio_wp = IOMUX_TO_GPIO(MX31_PIN_ATA_RESET_B);
416
417 ret = gpio_request(gpio_det, "sdhc-card-detect");
418 if (ret)
419 return ret;
420
421 gpio_direction_input(gpio_det);
422
423 ret = gpio_request(gpio_wp, "sdhc-write-protect");
424 if (ret)
425 goto err_gpio_free;
426
427 gpio_direction_input(gpio_wp);
428
429 /* When supported the trigger type have to be BOTH */
430 ret = request_irq(IOMUX_TO_IRQ(MX31_PIN_ATA_DMACK), detect_irq,
431 IRQF_DISABLED | IRQF_TRIGGER_FALLING,
432 "sdhc-detect", data);
433
434 if (ret)
435 goto err_gpio_free_2;
436
437 return 0;
438
439err_gpio_free_2:
440 gpio_free(gpio_wp);
441
442err_gpio_free:
443 gpio_free(gpio_det);
444
445 return ret;
446
447}
448
449static void armadillo5x0_sdhc1_exit(struct device *dev, void *data)
450{
451 free_irq(IOMUX_TO_IRQ(MX31_PIN_ATA_DMACK), data);
452 gpio_free(IOMUX_TO_GPIO(MX31_PIN_ATA_DMACK));
453 gpio_free(IOMUX_TO_GPIO(MX31_PIN_ATA_RESET_B));
454}
455
6a697e3d 456static const struct imxmmc_platform_data sdhc_pdata __initconst = {
5e9145ed
AP		 457 .get_ro = armadillo5x0_sdhc1_get_ro,
458 .init = armadillo5x0_sdhc1_init,
459 .exit = armadillo5x0_sdhc1_exit,
460};
461
462/*
463 * SMSC 9118
464 * Network support
465 */
466static struct resource armadillo5x0_smc911x_resources[] = {
467 {
f568dd7f
UKK		 468 .start = MX31_CS3_BASE_ADDR,
469 .end = MX31_CS3_BASE_ADDR + SZ_32M - 1,
5e9145ed
AP		 470 .flags = IORESOURCE_MEM,
471 }, {
472 .start = IOMUX_TO_IRQ(MX31_PIN_GPIO1_0),
473 .end = IOMUX_TO_IRQ(MX31_PIN_GPIO1_0),
474 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
475 },
476};
477
478static struct smsc911x_platform_config smsc911x_info = {
07299ca3 479 .flags = SMSC911X_USE_16BIT,
5e9145ed
AP		 480 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
481 .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
482};
483
484static struct platform_device armadillo5x0_smc911x_device = {
485 .name = "smsc911x",
486 .id = -1,
487 .num_resources = ARRAY_SIZE(armadillo5x0_smc911x_resources),
488 .resource = armadillo5x0_smc911x_resources,
489 .dev = {
490 .platform_data = &smsc911x_info,
491 },
492};
493
494/* UART device data */
16cf5c41 495static const struct imxuart_platform_data uart_pdata __initconst = {
5e9145ed
AP		 496 .flags = IMXUART_HAVE_RTSCTS,
497};
498
499static struct platform_device *devices[] __initdata = {
500 &armadillo5x0_smc911x_device,
e33c049c 501 &armadillo5x0_button_device,
5e9145ed
AP		 502};
503
504/*
505 * Perform board specific initializations
506 */
507static void __init armadillo5x0_init(void)
508{
509 mxc_iomux_setup_multiple_pins(armadillo5x0_pins,
510 ARRAY_SIZE(armadillo5x0_pins), "armadillo5x0");
511
512 platform_add_devices(devices, ARRAY_SIZE(devices));
4a9b8b0b 513 imx31_add_imx_i2c1(NULL);
5e9145ed
AP		 514
515 /* Register UART */
16cf5c41
UKK		 516 imx31_add_imx_uart0(&uart_pdata);
517 imx31_add_imx_uart1(&uart_pdata);
5e9145ed
AP		 518
519 /* SMSC9118 IRQ pin */
520 gpio_direction_input(MX31_PIN_GPIO1_0);
521
522 /* Register SDHC */
6a697e3d 523 imx31_add_mxc_mmc(0, &sdhc_pdata);
5e9145ed
AP		 524
525 /* Register FB */
526 mxc_register_device(&mx3_ipu, &mx3_ipu_data);
527 mxc_register_device(&mx3_fb, &mx3fb_pdata);
c3a9c7f5
AP		 528
529 /* Register NOR Flash */
530 mxc_register_device(&armadillo5x0_nor_flash,
531 &armadillo5x0_nor_flash_pdata);
0c8bad6a
AP		 532
533 /* Register NAND Flash */
a2ceeef5 534 imx31_add_mxc_nand(&armadillo5x0_nand_board_info);
0c8bad6a
AP		 535
536 /* set NAND page size to 2k if not configured via boot mode pins */
537 __raw_writel(__raw_readl(MXC_CCM_RCSR) | (1 << 30), MXC_CCM_RCSR);
2097abcb
AP		 538
539 /* RTC */
540 /* Get RTC IRQ and register the chip */
541 if (gpio_request(ARMADILLO5X0_RTC_GPIO, "rtc") == 0) {
542 if (gpio_direction_input(ARMADILLO5X0_RTC_GPIO) == 0)
543 armadillo5x0_i2c_rtc.irq = gpio_to_irq(ARMADILLO5X0_RTC_GPIO);
544 else
545 gpio_free(ARMADILLO5X0_RTC_GPIO);
546 }
547 if (armadillo5x0_i2c_rtc.irq == 0)
548 pr_warning("armadillo5x0_init: failed to get RTC IRQ\n");
549 i2c_register_board_info(1, &armadillo5x0_i2c_rtc, 1);
b3aa111f
AP		 550
551 /* USB */
552#if defined(CONFIG_USB_ULPI)
553 usbotg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
13dd0c97 554 ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT);
b3aa111f 555 usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
13dd0c97 556 ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT);
b3aa111f 557
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UKK		 558 imx31_add_mxc_ehci_otg(&usbotg_pdata);
559 imx31_add_mxc_ehci_hs(2, &usbh2_pdata);
b3aa111f 560#endif
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AP		 561}
562
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AP		 563static void __init armadillo5x0_timer_init(void)
564{
565 mx31_clocks_init(26000000);
566}
567
568static struct sys_timer armadillo5x0_timer = {
569 .init = armadillo5x0_timer_init,
570};
571
572MACHINE_START(ARMADILLO5X0, "Armadillo-500")
573 /* Maintainer: Alberto Panizzo */
97976e22
UKK		 574 .boot_params = MX3x_PHYS_OFFSET + 0x100,
575 .map_io = mx31_map_io,
576 .init_early = imx31_init_early,
577 .init_irq = mx31_init_irq,
578 .timer = &armadillo5x0_timer,
579 .init_machine = armadillo5x0_init,
5e9145ed 580MACHINE_END
Linux kernel - Deliverables
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