Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs
[linux-2.6-block.git] / arch / arm / mach-mx2 / devices.c
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1/*
2 * Author: MontaVista Software, Inc.
3 * <source@mvista.com>
4 *
5 * Based on the OMAP devices.c
6 *
7 * 2005 (c) MontaVista Software, Inc. This file is licensed under the
8 * terms of the GNU General Public License version 2. This program is
9 * licensed "as is" without any warranty of any kind, whether express
10 * or implied.
11 *
12 * Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved.
13 * Copyright 2008 Juergen Beisert, kernel@pengutronix.de
14 *
15 * This program is free software; you can redistribute it and/or
16 * modify it under the terms of the GNU General Public License
17 * as published by the Free Software Foundation; either version 2
18 * of the License, or (at your option) any later version.
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
23 *
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
27 * MA 02110-1301, USA.
28 */
29#include <linux/module.h>
30#include <linux/kernel.h>
31#include <linux/init.h>
32#include <linux/platform_device.h>
33#include <linux/gpio.h>
3eb352c7 34#include <linux/dma-mapping.h>
fc80a5e3 35
80b02c17 36#include <mach/irqs.h>
a09e64fb 37#include <mach/hardware.h>
058b7a6f 38#include <mach/common.h>
1a02be0e 39#include <mach/mmc.h>
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40
41#include "devices.h"
fc80a5e3 42
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43/*
44 * SPI master controller
45 *
46 * - i.MX1: 2 channel (slighly different register setting)
47 * - i.MX21: 2 channel
48 * - i.MX27: 3 channel
49 */
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50#define DEFINE_IMX_SPI_DEVICE(n, baseaddr, irq) \
51 static struct resource mxc_spi_resources ## n[] = { \
52 { \
53 .start = baseaddr, \
54 .end = baseaddr + SZ_4K - 1, \
55 .flags = IORESOURCE_MEM, \
56 }, { \
57 .start = irq, \
58 .end = irq, \
59 .flags = IORESOURCE_IRQ, \
60 }, \
61 }; \
62 \
63 struct platform_device mxc_spi_device ## n = { \
64 .name = "spi_imx", \
65 .id = n, \
66 .num_resources = ARRAY_SIZE(mxc_spi_resources ## n), \
67 .resource = mxc_spi_resources ## n, \
68 }
f420db84 69
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70DEFINE_IMX_SPI_DEVICE(0, MX2x_CSPI1_BASE_ADDR, MX2x_INT_CSPI1);
71DEFINE_IMX_SPI_DEVICE(1, MX2x_CSPI2_BASE_ADDR, MX2x_INT_CSPI2);
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72
73#ifdef CONFIG_MACH_MX27
68c94b40 74DEFINE_IMX_SPI_DEVICE(2, MX27_CSPI3_BASE_ADDR, MX27_INT_CSPI3);
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75#endif
76
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77/*
78 * General Purpose Timer
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79 * - i.MX21: 3 timers
80 * - i.MX27: 6 timers
fc80a5e3 81 */
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82#define DEFINE_IMX_GPT_DEVICE(n, baseaddr, irq) \
83 static struct resource timer ## n ##_resources[] = { \
84 { \
85 .start = baseaddr, \
86 .end = baseaddr + SZ_4K - 1, \
87 .flags = IORESOURCE_MEM, \
88 }, { \
89 .start = irq, \
90 .end = irq, \
91 .flags = IORESOURCE_IRQ, \
92 } \
93 }; \
94 \
95 struct platform_device mxc_gpt ## n = { \
96 .name = "imx_gpt", \
97 .id = n, \
98 .num_resources = ARRAY_SIZE(timer ## n ## _resources), \
99 .resource = timer ## n ## _resources, \
fc80a5e3 100 }
fc80a5e3 101
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102/* We use gpt1 as system timer, so do not add a device for this one */
103DEFINE_IMX_GPT_DEVICE(1, MX2x_GPT2_BASE_ADDR, MX2x_INT_GPT2);
104DEFINE_IMX_GPT_DEVICE(2, MX2x_GPT3_BASE_ADDR, MX2x_INT_GPT3);
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105
106#ifdef CONFIG_MACH_MX27
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107DEFINE_IMX_GPT_DEVICE(3, MX27_GPT4_BASE_ADDR, MX27_INT_GPT4);
108DEFINE_IMX_GPT_DEVICE(4, MX27_GPT5_BASE_ADDR, MX27_INT_GPT5);
109DEFINE_IMX_GPT_DEVICE(5, MX27_GPT6_BASE_ADDR, MX27_INT_GPT6);
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110#endif
111
112/*
113 * Watchdog:
114 * - i.MX1
115 * - i.MX21
116 * - i.MX27
117 */
118static struct resource mxc_wdt_resources[] = {
119 {
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120 .start = MX2x_WDOG_BASE_ADDR,
121 .end = MX2x_WDOG_BASE_ADDR + SZ_4K - 1,
122 .flags = IORESOURCE_MEM,
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123 },
124};
125
126struct platform_device mxc_wdt = {
127 .name = "mxc_wdt",
128 .id = 0,
129 .num_resources = ARRAY_SIZE(mxc_wdt_resources),
130 .resource = mxc_wdt_resources,
131};
132
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133static struct resource mxc_w1_master_resources[] = {
134 {
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135 .start = MX2x_OWIRE_BASE_ADDR,
136 .end = MX2x_OWIRE_BASE_ADDR + SZ_4K - 1,
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137 .flags = IORESOURCE_MEM,
138 },
139};
140
141struct platform_device mxc_w1_master_device = {
142 .name = "mxc_w1",
143 .id = 0,
144 .num_resources = ARRAY_SIZE(mxc_w1_master_resources),
145 .resource = mxc_w1_master_resources,
146};
147
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148#define DEFINE_MXC_NAND_DEVICE(pfx, baseaddr, irq) \
149 static struct resource pfx ## _nand_resources[] = { \
150 { \
151 .start = baseaddr, \
152 .end = baseaddr + SZ_4K - 1, \
153 .flags = IORESOURCE_MEM, \
154 }, { \
155 .start = irq, \
156 .end = irq, \
157 .flags = IORESOURCE_IRQ, \
158 }, \
159 }; \
160 \
161 struct platform_device pfx ## _nand_device = { \
162 .name = "mxc_nand", \
163 .id = 0, \
164 .num_resources = ARRAY_SIZE(pfx ## _nand_resources), \
165 .resource = pfx ## _nand_resources, \
166 }
02870978 167
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168#ifdef CONFIG_MACH_MX21
169DEFINE_MXC_NAND_DEVICE(imx21, MX21_NFC_BASE_ADDR, MX21_INT_NANDFC);
170#endif
171
172#ifdef CONFIG_MACH_MX27
173DEFINE_MXC_NAND_DEVICE(imx27, MX27_NFC_BASE_ADDR, MX27_INT_NANDFC);
174#endif
02870978 175
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176/*
177 * lcdc:
178 * - i.MX1: the basic controller
179 * - i.MX21: to be checked
180 * - i.MX27: like i.MX1, with slightly variations
181 */
182static struct resource mxc_fb[] = {
183 {
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184 .start = MX2x_LCDC_BASE_ADDR,
185 .end = MX2x_LCDC_BASE_ADDR + SZ_4K - 1,
e4813551 186 .flags = IORESOURCE_MEM,
bf50bcc2 187 }, {
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188 .start = MX2x_INT_LCDC,
189 .end = MX2x_INT_LCDC,
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190 .flags = IORESOURCE_IRQ,
191 }
192};
193
194/* mxc lcd driver */
195struct platform_device mxc_fb_device = {
196 .name = "imx-fb",
197 .id = 0,
198 .num_resources = ARRAY_SIZE(mxc_fb),
199 .resource = mxc_fb,
200 .dev = {
3eb352c7 201 .coherent_dma_mask = DMA_BIT_MASK(32),
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202 },
203};
204
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205#ifdef CONFIG_MACH_MX27
206static struct resource mxc_fec_resources[] = {
207 {
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208 .start = MX27_FEC_BASE_ADDR,
209 .end = MX27_FEC_BASE_ADDR + SZ_4K - 1,
210 .flags = IORESOURCE_MEM,
879fea1b 211 }, {
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212 .start = MX27_INT_FEC,
213 .end = MX27_INT_FEC,
214 .flags = IORESOURCE_IRQ,
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215 },
216};
217
218struct platform_device mxc_fec_device = {
219 .name = "fec",
220 .id = 0,
221 .num_resources = ARRAY_SIZE(mxc_fec_resources),
222 .resource = mxc_fec_resources,
223};
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224#endif
225
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226#define DEFINE_IMX_I2C_DEVICE(n, baseaddr, irq) \
227 static struct resource mxc_i2c_resources ## n[] = { \
228 { \
229 .start = baseaddr, \
230 .end = baseaddr + SZ_4K - 1, \
231 .flags = IORESOURCE_MEM, \
232 }, { \
233 .start = irq, \
234 .end = irq, \
235 .flags = IORESOURCE_IRQ, \
236 } \
237 }; \
238 \
239 struct platform_device mxc_i2c_device ## n = { \
240 .name = "imx-i2c", \
241 .id = n, \
242 .num_resources = ARRAY_SIZE(mxc_i2c_resources ## n), \
243 .resource = mxc_i2c_resources ## n, \
c5d4dbff 244 }
c5d4dbff 245
9309b2ba 246DEFINE_IMX_I2C_DEVICE(0, MX2x_I2C_BASE_ADDR, MX2x_INT_I2C);
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247
248#ifdef CONFIG_MACH_MX27
9309b2ba 249DEFINE_IMX_I2C_DEVICE(1, MX27_I2C2_BASE_ADDR, MX27_INT_I2C2);
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250#endif
251
824b16e6 252static struct resource mxc_pwm_resources[] = {
bf50bcc2 253 {
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254 .start = MX2x_PWM_BASE_ADDR,
255 .end = MX2x_PWM_BASE_ADDR + SZ_4K - 1,
256 .flags = IORESOURCE_MEM,
bf50bcc2 257 }, {
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258 .start = MX2x_INT_PWM,
259 .end = MX2x_INT_PWM,
260 .flags = IORESOURCE_IRQ,
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261 }
262};
263
264struct platform_device mxc_pwm_device = {
265 .name = "mxc_pwm",
266 .id = 0,
267 .num_resources = ARRAY_SIZE(mxc_pwm_resources),
bf50bcc2 268 .resource = mxc_pwm_resources,
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269};
270
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271#define DEFINE_MXC_MMC_DEVICE(n, baseaddr, irq, dmareq) \
272 static struct resource mxc_sdhc_resources ## n[] = { \
273 { \
274 .start = baseaddr, \
275 .end = baseaddr + SZ_4K - 1, \
276 .flags = IORESOURCE_MEM, \
277 }, { \
278 .start = irq, \
279 .end = irq, \
280 .flags = IORESOURCE_IRQ, \
281 }, { \
282 .start = dmareq, \
283 .end = dmareq, \
284 .flags = IORESOURCE_DMA, \
285 }, \
286 }; \
287 \
988addf8 288 static u64 mxc_sdhc ## n ## _dmamask = DMA_BIT_MASK(32); \
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289 \
290 struct platform_device mxc_sdhc_device ## n = { \
291 .name = "mxc-mmc", \
292 .id = n, \
293 .dev = { \
294 .dma_mask = &mxc_sdhc ## n ## _dmamask, \
988addf8 295 .coherent_dma_mask = DMA_BIT_MASK(32), \
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296 }, \
297 .num_resources = ARRAY_SIZE(mxc_sdhc_resources ## n), \
298 .resource = mxc_sdhc_resources ## n, \
299 }
1a02be0e 300
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301DEFINE_MXC_MMC_DEVICE(0, MX2x_SDHC1_BASE_ADDR, MX2x_INT_SDHC1, MX2x_DMA_REQ_SDHC1);
302DEFINE_MXC_MMC_DEVICE(1, MX2x_SDHC2_BASE_ADDR, MX2x_INT_SDHC2, MX2x_DMA_REQ_SDHC2);
1a02be0e 303
f6d2fa7d 304#ifdef CONFIG_MACH_MX27
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305static struct resource otg_resources[] = {
306 {
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307 .start = MX27_USBOTG_BASE_ADDR,
308 .end = MX27_USBOTG_BASE_ADDR + 0x1ff,
309 .flags = IORESOURCE_MEM,
627fb3b9 310 }, {
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311 .start = MX27_INT_USB3,
312 .end = MX27_INT_USB3,
313 .flags = IORESOURCE_IRQ,
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314 },
315};
316
3eb352c7 317static u64 otg_dmamask = DMA_BIT_MASK(32);
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318
319/* OTG gadget device */
320struct platform_device mxc_otg_udc_device = {
321 .name = "fsl-usb2-udc",
322 .id = -1,
323 .dev = {
324 .dma_mask = &otg_dmamask,
3eb352c7 325 .coherent_dma_mask = DMA_BIT_MASK(32),
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326 },
327 .resource = otg_resources,
328 .num_resources = ARRAY_SIZE(otg_resources),
329};
330
331/* OTG host */
332struct platform_device mxc_otg_host = {
333 .name = "mxc-ehci",
334 .id = 0,
335 .dev = {
3eb352c7 336 .coherent_dma_mask = DMA_BIT_MASK(32),
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337 .dma_mask = &otg_dmamask,
338 },
339 .resource = otg_resources,
340 .num_resources = ARRAY_SIZE(otg_resources),
341};
342
343/* USB host 1 */
344
3eb352c7 345static u64 usbh1_dmamask = DMA_BIT_MASK(32);
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346
347static struct resource mxc_usbh1_resources[] = {
348 {
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349 .start = MX27_USBOTG_BASE_ADDR + 0x200,
350 .end = MX27_USBOTG_BASE_ADDR + 0x3ff,
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351 .flags = IORESOURCE_MEM,
352 }, {
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353 .start = MX27_INT_USB1,
354 .end = MX27_INT_USB1,
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355 .flags = IORESOURCE_IRQ,
356 },
357};
358
359struct platform_device mxc_usbh1 = {
360 .name = "mxc-ehci",
361 .id = 1,
362 .dev = {
3eb352c7 363 .coherent_dma_mask = DMA_BIT_MASK(32),
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364 .dma_mask = &usbh1_dmamask,
365 },
366 .resource = mxc_usbh1_resources,
367 .num_resources = ARRAY_SIZE(mxc_usbh1_resources),
368};
369
370/* USB host 2 */
3eb352c7 371static u64 usbh2_dmamask = DMA_BIT_MASK(32);
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372
373static struct resource mxc_usbh2_resources[] = {
374 {
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375 .start = MX27_USBOTG_BASE_ADDR + 0x400,
376 .end = MX27_USBOTG_BASE_ADDR + 0x5ff,
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377 .flags = IORESOURCE_MEM,
378 }, {
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379 .start = MX27_INT_USB2,
380 .end = MX27_INT_USB2,
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381 .flags = IORESOURCE_IRQ,
382 },
383};
384
385struct platform_device mxc_usbh2 = {
386 .name = "mxc-ehci",
387 .id = 2,
388 .dev = {
3eb352c7 389 .coherent_dma_mask = DMA_BIT_MASK(32),
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390 .dma_mask = &usbh2_dmamask,
391 },
392 .resource = mxc_usbh2_resources,
393 .num_resources = ARRAY_SIZE(mxc_usbh2_resources),
394};
f6d2fa7d 395#endif
627fb3b9 396
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397#define DEFINE_IMX_SSI_DMARES(_name, ssin, suffix) \
398 { \
399 .name = _name, \
400 .start = MX2x_DMA_REQ_SSI ## ssin ## _ ## suffix, \
401 .end = MX2x_DMA_REQ_SSI ## ssin ## _ ## suffix, \
402 .flags = IORESOURCE_DMA, \
403 }
23291df4 404
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405#define DEFINE_IMX_SSI_DEVICE(n, ssin, baseaddr, irq) \
406 static struct resource imx_ssi_resources ## n[] = { \
407 { \
408 .start = MX2x_SSI ## ssin ## _BASE_ADDR, \
409 .end = MX2x_SSI ## ssin ## _BASE_ADDR + 0x6f, \
410 .flags = IORESOURCE_MEM, \
411 }, { \
412 .start = MX2x_INT_SSI1, \
413 .end = MX2x_INT_SSI1, \
414 .flags = IORESOURCE_IRQ, \
415 }, \
416 DEFINE_IMX_SSI_DMARES("tx0", ssin, TX0), \
417 DEFINE_IMX_SSI_DMARES("rx0", ssin, RX0), \
418 DEFINE_IMX_SSI_DMARES("tx1", ssin, TX1), \
419 DEFINE_IMX_SSI_DMARES("rx1", ssin, RX1), \
420 }; \
421 \
422 struct platform_device imx_ssi_device ## n = { \
423 .name = "imx-ssi", \
424 .id = n, \
425 .num_resources = ARRAY_SIZE(imx_ssi_resources ## n), \
426 .resource = imx_ssi_resources ## n, \
427 }
23291df4 428
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429DEFINE_IMX_SSI_DEVICE(0, 1, MX2x_SSI1_BASE_ADDR, MX2x_INT_SSI1);
430DEFINE_IMX_SSI_DEVICE(1, 2, MX2x_SSI1_BASE_ADDR, MX2x_INT_SSI1);
23291df4 431
fc80a5e3 432/* GPIO port description */
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433#define DEFINE_MXC_GPIO_PORT_IRQ(SOC, n, _irq) \
434 { \
435 .chip.label = "gpio-" #n, \
436 .irq = _irq, \
437 .base = SOC ## _IO_ADDRESS(MX2x_GPIO_BASE_ADDR + \
438 n * 0x100), \
439 .virtual_irq_start = MXC_GPIO_IRQ_START + n * 32, \
440 }
441
442#define DEFINE_MXC_GPIO_PORT(SOC, n) \
443 { \
444 .chip.label = "gpio-" #n, \
445 .base = SOC ## _IO_ADDRESS(MX2x_GPIO_BASE_ADDR + \
446 n * 0x100), \
447 .virtual_irq_start = MXC_GPIO_IRQ_START + n * 32, \
fc80a5e3 448 }
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449
450#define DEFINE_MXC_GPIO_PORTS(SOC, pfx) \
451 static struct mxc_gpio_port pfx ## _gpio_ports[] = { \
452 DEFINE_MXC_GPIO_PORT_IRQ(SOC, 0, SOC ## _INT_GPIO), \
453 DEFINE_MXC_GPIO_PORT(SOC, 1), \
454 DEFINE_MXC_GPIO_PORT(SOC, 2), \
455 DEFINE_MXC_GPIO_PORT(SOC, 3), \
456 DEFINE_MXC_GPIO_PORT(SOC, 4), \
457 DEFINE_MXC_GPIO_PORT(SOC, 5), \
458 }
459
460#ifdef CONFIG_MACH_MX21
461DEFINE_MXC_GPIO_PORTS(MX21, imx21);
462#endif
463
464#ifdef CONFIG_MACH_MX27
465DEFINE_MXC_GPIO_PORTS(MX27, imx27);
466#endif
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467
468int __init mxc_register_gpios(void)
469{
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470#ifdef CONFIG_MACH_MX21
471 if (cpu_is_mx21())
472 return mxc_gpio_init(imx21_gpio_ports, ARRAY_SIZE(imx21_gpio_ports));
473 else
474#endif
475#ifdef CONFIG_MACH_MX27
476 if (cpu_is_mx27())
477 return mxc_gpio_init(imx27_gpio_ports, ARRAY_SIZE(imx27_gpio_ports));
478 else
479#endif
480 return 0;
fc80a5e3 481}
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482
483#ifdef CONFIG_MACH_MX21
484static struct resource mx21_usbhc_resources[] = {
485 {
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486 .start = MX21_BASE_ADDR,
487 .end = MX21_BASE_ADDR + 0x1FFF,
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488 .flags = IORESOURCE_MEM,
489 },
490 {
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491 .start = MX21_INT_USBHOST,
492 .end = MX21_INT_USBHOST,
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493 .flags = IORESOURCE_IRQ,
494 },
495};
496
497struct platform_device mx21_usbhc_device = {
498 .name = "imx21-hcd",
499 .id = 0,
500 .dev = {
501 .dma_mask = &mx21_usbhc_device.dev.coherent_dma_mask,
502 .coherent_dma_mask = DMA_BIT_MASK(32),
503 },
504 .num_resources = ARRAY_SIZE(mx21_usbhc_resources),
505 .resource = mx21_usbhc_resources,
506};
507#endif
508