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MX2X: Add Keypad device definition for MX2X arch
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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>
34#include <linux/dma-mapping.h>
35
36#include <mach/irqs.h>
37#include <mach/hardware.h>
38#include <mach/common.h>
39#include <mach/mmc.h>
40
41#include "devices.h"
42
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 */
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 }
69
70DEFINE_IMX_SPI_DEVICE(0, MX2x_CSPI1_BASE_ADDR, MX2x_INT_CSPI1);
71DEFINE_IMX_SPI_DEVICE(1, MX2x_CSPI2_BASE_ADDR, MX2x_INT_CSPI2);
72
73#ifdef CONFIG_MACH_MX27
74DEFINE_IMX_SPI_DEVICE(2, MX27_CSPI3_BASE_ADDR, MX27_INT_CSPI3);
75#endif
76
77/*
78 * General Purpose Timer
79 * - i.MX21: 3 timers
80 * - i.MX27: 6 timers
81 */
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, \
100 }
101
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);
105
106#ifdef CONFIG_MACH_MX27
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);
110#endif
111
112/* Watchdog: i.MX1 has seperate driver, i.MX21 and i.MX27 are equal */
113static struct resource mxc_wdt_resources[] = {
114 {
115 .start = MX2x_WDOG_BASE_ADDR,
116 .end = MX2x_WDOG_BASE_ADDR + SZ_4K - 1,
117 .flags = IORESOURCE_MEM,
118 },
119};
120
121struct platform_device mxc_wdt = {
122 .name = "imx2-wdt",
123 .id = 0,
124 .num_resources = ARRAY_SIZE(mxc_wdt_resources),
125 .resource = mxc_wdt_resources,
126};
127
128static struct resource mxc_w1_master_resources[] = {
129 {
130 .start = MX2x_OWIRE_BASE_ADDR,
131 .end = MX2x_OWIRE_BASE_ADDR + SZ_4K - 1,
132 .flags = IORESOURCE_MEM,
133 },
134};
135
136struct platform_device mxc_w1_master_device = {
137 .name = "mxc_w1",
138 .id = 0,
139 .num_resources = ARRAY_SIZE(mxc_w1_master_resources),
140 .resource = mxc_w1_master_resources,
141};
142
143#define DEFINE_MXC_NAND_DEVICE(pfx, baseaddr, irq) \
144 static struct resource pfx ## _nand_resources[] = { \
145 { \
146 .start = baseaddr, \
147 .end = baseaddr + SZ_4K - 1, \
148 .flags = IORESOURCE_MEM, \
149 }, { \
150 .start = irq, \
151 .end = irq, \
152 .flags = IORESOURCE_IRQ, \
153 }, \
154 }; \
155 \
156 struct platform_device pfx ## _nand_device = { \
157 .name = "mxc_nand", \
158 .id = 0, \
159 .num_resources = ARRAY_SIZE(pfx ## _nand_resources), \
160 .resource = pfx ## _nand_resources, \
161 }
162
163#ifdef CONFIG_MACH_MX21
164DEFINE_MXC_NAND_DEVICE(imx21, MX21_NFC_BASE_ADDR, MX21_INT_NANDFC);
165#endif
166
167#ifdef CONFIG_MACH_MX27
168DEFINE_MXC_NAND_DEVICE(imx27, MX27_NFC_BASE_ADDR, MX27_INT_NANDFC);
169#endif
170
171/*
172 * lcdc:
173 * - i.MX1: the basic controller
174 * - i.MX21: to be checked
175 * - i.MX27: like i.MX1, with slightly variations
176 */
177static struct resource mxc_fb[] = {
178 {
179 .start = MX2x_LCDC_BASE_ADDR,
180 .end = MX2x_LCDC_BASE_ADDR + SZ_4K - 1,
181 .flags = IORESOURCE_MEM,
182 }, {
183 .start = MX2x_INT_LCDC,
184 .end = MX2x_INT_LCDC,
185 .flags = IORESOURCE_IRQ,
186 }
187};
188
189/* mxc lcd driver */
190struct platform_device mxc_fb_device = {
191 .name = "imx-fb",
192 .id = 0,
193 .num_resources = ARRAY_SIZE(mxc_fb),
194 .resource = mxc_fb,
195 .dev = {
196 .coherent_dma_mask = DMA_BIT_MASK(32),
197 },
198};
199
200#ifdef CONFIG_MACH_MX27
201static struct resource mxc_fec_resources[] = {
202 {
203 .start = MX27_FEC_BASE_ADDR,
204 .end = MX27_FEC_BASE_ADDR + SZ_4K - 1,
205 .flags = IORESOURCE_MEM,
206 }, {
207 .start = MX27_INT_FEC,
208 .end = MX27_INT_FEC,
209 .flags = IORESOURCE_IRQ,
210 },
211};
212
213struct platform_device mxc_fec_device = {
214 .name = "fec",
215 .id = 0,
216 .num_resources = ARRAY_SIZE(mxc_fec_resources),
217 .resource = mxc_fec_resources,
218};
219#endif
220
221#define DEFINE_IMX_I2C_DEVICE(n, baseaddr, irq) \
222 static struct resource mxc_i2c_resources ## n[] = { \
223 { \
224 .start = baseaddr, \
225 .end = baseaddr + SZ_4K - 1, \
226 .flags = IORESOURCE_MEM, \
227 }, { \
228 .start = irq, \
229 .end = irq, \
230 .flags = IORESOURCE_IRQ, \
231 } \
232 }; \
233 \
234 struct platform_device mxc_i2c_device ## n = { \
235 .name = "imx-i2c", \
236 .id = n, \
237 .num_resources = ARRAY_SIZE(mxc_i2c_resources ## n), \
238 .resource = mxc_i2c_resources ## n, \
239 }
240
241DEFINE_IMX_I2C_DEVICE(0, MX2x_I2C_BASE_ADDR, MX2x_INT_I2C);
242
243#ifdef CONFIG_MACH_MX27
244DEFINE_IMX_I2C_DEVICE(1, MX27_I2C2_BASE_ADDR, MX27_INT_I2C2);
245#endif
246
247static struct resource mxc_pwm_resources[] = {
248 {
249 .start = MX2x_PWM_BASE_ADDR,
250 .end = MX2x_PWM_BASE_ADDR + SZ_4K - 1,
251 .flags = IORESOURCE_MEM,
252 }, {
253 .start = MX2x_INT_PWM,
254 .end = MX2x_INT_PWM,
255 .flags = IORESOURCE_IRQ,
256 }
257};
258
259struct platform_device mxc_pwm_device = {
260 .name = "mxc_pwm",
261 .id = 0,
262 .num_resources = ARRAY_SIZE(mxc_pwm_resources),
263 .resource = mxc_pwm_resources,
264};
265
266#define DEFINE_MXC_MMC_DEVICE(n, baseaddr, irq, dmareq) \
267 static struct resource mxc_sdhc_resources ## n[] = { \
268 { \
269 .start = baseaddr, \
270 .end = baseaddr + SZ_4K - 1, \
271 .flags = IORESOURCE_MEM, \
272 }, { \
273 .start = irq, \
274 .end = irq, \
275 .flags = IORESOURCE_IRQ, \
276 }, { \
277 .start = dmareq, \
278 .end = dmareq, \
279 .flags = IORESOURCE_DMA, \
280 }, \
281 }; \
282 \
283 static u64 mxc_sdhc ## n ## _dmamask = DMA_BIT_MASK(32); \
284 \
285 struct platform_device mxc_sdhc_device ## n = { \
286 .name = "mxc-mmc", \
287 .id = n, \
288 .dev = { \
289 .dma_mask = &mxc_sdhc ## n ## _dmamask, \
290 .coherent_dma_mask = DMA_BIT_MASK(32), \
291 }, \
292 .num_resources = ARRAY_SIZE(mxc_sdhc_resources ## n), \
293 .resource = mxc_sdhc_resources ## n, \
294 }
295
296DEFINE_MXC_MMC_DEVICE(0, MX2x_SDHC1_BASE_ADDR, MX2x_INT_SDHC1, MX2x_DMA_REQ_SDHC1);
297DEFINE_MXC_MMC_DEVICE(1, MX2x_SDHC2_BASE_ADDR, MX2x_INT_SDHC2, MX2x_DMA_REQ_SDHC2);
298
299#ifdef CONFIG_MACH_MX27
300static struct resource otg_resources[] = {
301 {
302 .start = MX27_USBOTG_BASE_ADDR,
303 .end = MX27_USBOTG_BASE_ADDR + 0x1ff,
304 .flags = IORESOURCE_MEM,
305 }, {
306 .start = MX27_INT_USB3,
307 .end = MX27_INT_USB3,
308 .flags = IORESOURCE_IRQ,
309 },
310};
311
312static u64 otg_dmamask = DMA_BIT_MASK(32);
313
314/* OTG gadget device */
315struct platform_device mxc_otg_udc_device = {
316 .name = "fsl-usb2-udc",
317 .id = -1,
318 .dev = {
319 .dma_mask = &otg_dmamask,
320 .coherent_dma_mask = DMA_BIT_MASK(32),
321 },
322 .resource = otg_resources,
323 .num_resources = ARRAY_SIZE(otg_resources),
324};
325
326/* OTG host */
327struct platform_device mxc_otg_host = {
328 .name = "mxc-ehci",
329 .id = 0,
330 .dev = {
331 .coherent_dma_mask = DMA_BIT_MASK(32),
332 .dma_mask = &otg_dmamask,
333 },
334 .resource = otg_resources,
335 .num_resources = ARRAY_SIZE(otg_resources),
336};
337
338/* USB host 1 */
339
340static u64 usbh1_dmamask = DMA_BIT_MASK(32);
341
342static struct resource mxc_usbh1_resources[] = {
343 {
344 .start = MX27_USBOTG_BASE_ADDR + 0x200,
345 .end = MX27_USBOTG_BASE_ADDR + 0x3ff,
346 .flags = IORESOURCE_MEM,
347 }, {
348 .start = MX27_INT_USB1,
349 .end = MX27_INT_USB1,
350 .flags = IORESOURCE_IRQ,
351 },
352};
353
354struct platform_device mxc_usbh1 = {
355 .name = "mxc-ehci",
356 .id = 1,
357 .dev = {
358 .coherent_dma_mask = DMA_BIT_MASK(32),
359 .dma_mask = &usbh1_dmamask,
360 },
361 .resource = mxc_usbh1_resources,
362 .num_resources = ARRAY_SIZE(mxc_usbh1_resources),
363};
364
365/* USB host 2 */
366static u64 usbh2_dmamask = DMA_BIT_MASK(32);
367
368static struct resource mxc_usbh2_resources[] = {
369 {
370 .start = MX27_USBOTG_BASE_ADDR + 0x400,
371 .end = MX27_USBOTG_BASE_ADDR + 0x5ff,
372 .flags = IORESOURCE_MEM,
373 }, {
374 .start = MX27_INT_USB2,
375 .end = MX27_INT_USB2,
376 .flags = IORESOURCE_IRQ,
377 },
378};
379
380struct platform_device mxc_usbh2 = {
381 .name = "mxc-ehci",
382 .id = 2,
383 .dev = {
384 .coherent_dma_mask = DMA_BIT_MASK(32),
385 .dma_mask = &usbh2_dmamask,
386 },
387 .resource = mxc_usbh2_resources,
388 .num_resources = ARRAY_SIZE(mxc_usbh2_resources),
389};
390#endif
391
392#define DEFINE_IMX_SSI_DMARES(_name, ssin, suffix) \
393 { \
394 .name = _name, \
395 .start = MX2x_DMA_REQ_SSI ## ssin ## _ ## suffix, \
396 .end = MX2x_DMA_REQ_SSI ## ssin ## _ ## suffix, \
397 .flags = IORESOURCE_DMA, \
398 }
399
400#define DEFINE_IMX_SSI_DEVICE(n, ssin, baseaddr, irq) \
401 static struct resource imx_ssi_resources ## n[] = { \
402 { \
403 .start = MX2x_SSI ## ssin ## _BASE_ADDR, \
404 .end = MX2x_SSI ## ssin ## _BASE_ADDR + 0x6f, \
405 .flags = IORESOURCE_MEM, \
406 }, { \
407 .start = MX2x_INT_SSI1, \
408 .end = MX2x_INT_SSI1, \
409 .flags = IORESOURCE_IRQ, \
410 }, \
411 DEFINE_IMX_SSI_DMARES("tx0", ssin, TX0), \
412 DEFINE_IMX_SSI_DMARES("rx0", ssin, RX0), \
413 DEFINE_IMX_SSI_DMARES("tx1", ssin, TX1), \
414 DEFINE_IMX_SSI_DMARES("rx1", ssin, RX1), \
415 }; \
416 \
417 struct platform_device imx_ssi_device ## n = { \
418 .name = "imx-ssi", \
419 .id = n, \
420 .num_resources = ARRAY_SIZE(imx_ssi_resources ## n), \
421 .resource = imx_ssi_resources ## n, \
422 }
423
424DEFINE_IMX_SSI_DEVICE(0, 1, MX2x_SSI1_BASE_ADDR, MX2x_INT_SSI1);
425DEFINE_IMX_SSI_DEVICE(1, 2, MX2x_SSI1_BASE_ADDR, MX2x_INT_SSI1);
426
427/* GPIO port description */
428#define DEFINE_MXC_GPIO_PORT_IRQ(SOC, n, _irq) \
429 { \
430 .chip.label = "gpio-" #n, \
431 .irq = _irq, \
432 .base = SOC ## _IO_ADDRESS(MX2x_GPIO_BASE_ADDR + \
433 n * 0x100), \
434 .virtual_irq_start = MXC_GPIO_IRQ_START + n * 32, \
435 }
436
437#define DEFINE_MXC_GPIO_PORT(SOC, n) \
438 { \
439 .chip.label = "gpio-" #n, \
440 .base = SOC ## _IO_ADDRESS(MX2x_GPIO_BASE_ADDR + \
441 n * 0x100), \
442 .virtual_irq_start = MXC_GPIO_IRQ_START + n * 32, \
443 }
444
445#define DEFINE_MXC_GPIO_PORTS(SOC, pfx) \
446 static struct mxc_gpio_port pfx ## _gpio_ports[] = { \
447 DEFINE_MXC_GPIO_PORT_IRQ(SOC, 0, SOC ## _INT_GPIO), \
448 DEFINE_MXC_GPIO_PORT(SOC, 1), \
449 DEFINE_MXC_GPIO_PORT(SOC, 2), \
450 DEFINE_MXC_GPIO_PORT(SOC, 3), \
451 DEFINE_MXC_GPIO_PORT(SOC, 4), \
452 DEFINE_MXC_GPIO_PORT(SOC, 5), \
453 }
454
455#ifdef CONFIG_MACH_MX21
456DEFINE_MXC_GPIO_PORTS(MX21, imx21);
457#endif
458
459#ifdef CONFIG_MACH_MX27
460DEFINE_MXC_GPIO_PORTS(MX27, imx27);
461#endif
462
463int __init mxc_register_gpios(void)
464{
465#ifdef CONFIG_MACH_MX21
466 if (cpu_is_mx21())
467 return mxc_gpio_init(imx21_gpio_ports, ARRAY_SIZE(imx21_gpio_ports));
468 else
469#endif
470#ifdef CONFIG_MACH_MX27
471 if (cpu_is_mx27())
472 return mxc_gpio_init(imx27_gpio_ports, ARRAY_SIZE(imx27_gpio_ports));
473 else
474#endif
475 return 0;
476}
477
478#ifdef CONFIG_MACH_MX21
479static struct resource mx21_usbhc_resources[] = {
480 {
481 .start = MX21_USBOTG_BASE_ADDR,
482 .end = MX21_USBOTG_BASE_ADDR + SZ_8K - 1,
483 .flags = IORESOURCE_MEM,
484 },
485 {
486 .start = MX21_INT_USBHOST,
487 .end = MX21_INT_USBHOST,
488 .flags = IORESOURCE_IRQ,
489 },
490};
491
492struct platform_device mx21_usbhc_device = {
493 .name = "imx21-hcd",
494 .id = 0,
495 .dev = {
496 .dma_mask = &mx21_usbhc_device.dev.coherent_dma_mask,
497 .coherent_dma_mask = DMA_BIT_MASK(32),
498 },
499 .num_resources = ARRAY_SIZE(mx21_usbhc_resources),
500 .resource = mx21_usbhc_resources,
501};
502#endif
503
504static struct resource imx_kpp_resources[] = {
505 {
506 .start = MX2x_KPP_BASE_ADDR,
507 .end = MX2x_KPP_BASE_ADDR + 0xf,
508 .flags = IORESOURCE_MEM
509 }, {
510 .start = MX2x_INT_KPP,
511 .end = MX2x_INT_KPP,
512 .flags = IORESOURCE_IRQ,
513 },
514};
515
516struct platform_device imx_kpp_device = {
517 .name = "imx-keypad",
518 .id = -1,
519 .num_resources = ARRAY_SIZE(imx_kpp_resources),
520 .resource = imx_kpp_resources,
521};