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Merge branch 'kirkwood/cleanup' of git://git.infradead.org/users/jcooper/linux into...
[deliverable/linux.git] / arch / arm / mach-ep93xx / edb93xx.c
CommitLineData
a2bd40d2
HS		 1/*
2 * arch/arm/mach-ep93xx/edb93xx.c
3 * Cirrus Logic EDB93xx Development Board support.
4 *
5 * EDB93XX, EDB9301, EDB9307A
6 * Copyright (C) 2008-2009 H Hartley Sweeten <hsweeten@visionengravers.com>
7 *
8 * EDB9302
9 * Copyright (C) 2006 George Kashperko <george@chas.com.ua>
10 *
11 * EDB9302A, EDB9315, EDB9315A
12 * Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org>
13 *
14 * EDB9307
15 * Copyright (C) 2007 Herbert Valerio Riedel <hvr@gnu.org>
16 *
17 * EDB9312
18 * Copyright (C) 2006 Infosys Technologies Limited
19 * Toufeeq Hussain <toufeeq_hussain@infosys.com>
20 *
21 * This program is free software; you can redistribute it and/or modify
22 * it under the terms of the GNU General Public License as published by
23 * the Free Software Foundation; either version 2 of the License, or (at
24 * your option) any later version.
25 */
26
27#include <linux/kernel.h>
28#include <linux/init.h>
a2bd40d2 29#include <linux/platform_device.h>
6531a991
HS		 30#include <linux/gpio.h>
31#include <linux/i2c.h>
32#include <linux/i2c-gpio.h>
31bb68a3
AS		 33#include <linux/spi/spi.h>
34
35#include <sound/cs4271.h>
583ddafe 36
a2bd40d2 37#include <mach/hardware.h>
a3b29245
AB		 38#include <linux/platform_data/video-ep93xx.h>
39#include <linux/platform_data/spi-ep93xx.h>
bd5f12a2 40#include <mach/gpio-ep93xx.h>
583ddafe 41
9a6879bd 42#include <asm/hardware/vic.h>
a2bd40d2
HS		 43#include <asm/mach-types.h>
44#include <asm/mach/arch.h>
45
258249ec 46#include "soc.h"
583ddafe 47
a2bd40d2
HS		 48static void __init edb93xx_register_flash(void)
49{
50 if (machine_is_edb9307() || machine_is_edb9312() ||
51 machine_is_edb9315()) {
16bcf78f 52 ep93xx_register_flash(4, EP93XX_CS6_PHYS_BASE, SZ_32M);
a2bd40d2 53 } else {
16bcf78f 54 ep93xx_register_flash(2, EP93XX_CS6_PHYS_BASE, SZ_16M);
a2bd40d2
HS		 55 }
56}
57
b370e082 58static struct ep93xx_eth_data __initdata edb93xx_eth_data = {
a2bd40d2
HS		 59 .phy_id = 1,
60};
61
6531a991
HS		 62
63/*************************************************************************
64 * EDB93xx i2c peripheral handling
65 *************************************************************************/
b370e082 66static struct i2c_gpio_platform_data __initdata edb93xx_i2c_gpio_data = {
6531a991
HS		 67 .sda_pin = EP93XX_GPIO_LINE_EEDAT,
68 .sda_is_open_drain = 0,
69 .scl_pin = EP93XX_GPIO_LINE_EECLK,
70 .scl_is_open_drain = 0,
71 .udelay = 0, /* default to 100 kHz */
72 .timeout = 0, /* default to 100 ms */
73};
74
75static struct i2c_board_info __initdata edb93xxa_i2c_board_info[] = {
a2bd40d2
HS		 76 {
77 I2C_BOARD_INFO("isl1208", 0x6f),
78 },
79};
80
6531a991 81static struct i2c_board_info __initdata edb93xx_i2c_board_info[] = {
a2bd40d2
HS		 82 {
83 I2C_BOARD_INFO("ds1337", 0x68),
84 },
85};
86
87static void __init edb93xx_register_i2c(void)
88{
89 if (machine_is_edb9302a() || machine_is_edb9307a() ||
90 machine_is_edb9315a()) {
6531a991
HS		 91 ep93xx_register_i2c(&edb93xx_i2c_gpio_data,
92 edb93xxa_i2c_board_info,
93 ARRAY_SIZE(edb93xxa_i2c_board_info));
688df8f0
TC		 94 } else if (machine_is_edb9302() || machine_is_edb9307()
95 || machine_is_edb9312() || machine_is_edb9315()) {
3d977c01 96 ep93xx_register_i2c(&edb93xx_i2c_gpio_data,
6531a991
HS		 97 edb93xx_i2c_board_info,
98 ARRAY_SIZE(edb93xx_i2c_board_info));
a2bd40d2
HS		 99 }
100}
101
1fbd972a 102
31bb68a3
AS		 103/*************************************************************************
104 * EDB93xx SPI peripheral handling
105 *************************************************************************/
106static struct cs4271_platform_data edb93xx_cs4271_data = {
107 .gpio_nreset = -EINVAL, /* filled in later */
108};
109
110static int edb93xx_cs4271_hw_setup(struct spi_device *spi)
111{
112 return gpio_request_one(EP93XX_GPIO_LINE_EGPIO6,
113 GPIOF_OUT_INIT_HIGH, spi->modalias);
114}
115
116static void edb93xx_cs4271_hw_cleanup(struct spi_device *spi)
117{
118 gpio_free(EP93XX_GPIO_LINE_EGPIO6);
119}
120
121static void edb93xx_cs4271_hw_cs_control(struct spi_device *spi, int value)
122{
123 gpio_set_value(EP93XX_GPIO_LINE_EGPIO6, value);
124}
125
126static struct ep93xx_spi_chip_ops edb93xx_cs4271_hw = {
127 .setup = edb93xx_cs4271_hw_setup,
128 .cleanup = edb93xx_cs4271_hw_cleanup,
129 .cs_control = edb93xx_cs4271_hw_cs_control,
130};
131
132static struct spi_board_info edb93xx_spi_board_info[] __initdata = {
133 {
134 .modalias = "cs4271",
135 .platform_data = &edb93xx_cs4271_data,
136 .controller_data = &edb93xx_cs4271_hw,
137 .max_speed_hz = 6000000,
138 .bus_num = 0,
139 .chip_select = 0,
140 .mode = SPI_MODE_3,
141 },
142};
143
144static struct ep93xx_spi_info edb93xx_spi_info __initdata = {
145 .num_chipselect = ARRAY_SIZE(edb93xx_spi_board_info),
146};
147
148static void __init edb93xx_register_spi(void)
149{
150 if (machine_is_edb9301() || machine_is_edb9302())
151 edb93xx_cs4271_data.gpio_nreset = EP93XX_GPIO_LINE_EGPIO1;
152 else if (machine_is_edb9302a() || machine_is_edb9307a())
153 edb93xx_cs4271_data.gpio_nreset = EP93XX_GPIO_LINE_H(2);
154 else if (machine_is_edb9315a())
155 edb93xx_cs4271_data.gpio_nreset = EP93XX_GPIO_LINE_EGPIO14;
156
157 ep93xx_register_spi(&edb93xx_spi_info, edb93xx_spi_board_info,
158 ARRAY_SIZE(edb93xx_spi_board_info));
159}
160
161
162/*************************************************************************
163 * EDB93xx I2S
164 *************************************************************************/
075b20b0
MW		 165static struct platform_device edb93xx_audio_device = {
166 .name = "edb93xx-audio",
167 .id = -1,
168};
169
31bb68a3
AS		 170static int __init edb93xx_has_audio(void)
171{
172 return (machine_is_edb9301() || machine_is_edb9302() ||
173 machine_is_edb9302a() || machine_is_edb9307a() ||
174 machine_is_edb9315a());
175}
176
177static void __init edb93xx_register_i2s(void)
178{
179 if (edb93xx_has_audio()) {
180 ep93xx_register_i2s();
075b20b0 181 platform_device_register(&edb93xx_audio_device);
31bb68a3
AS		 182 }
183}
184
185
1fbd972a
HS		 186/*************************************************************************
187 * EDB93xx pwm
188 *************************************************************************/
189static void __init edb93xx_register_pwm(void)
190{
191 if (machine_is_edb9301() ||
192 machine_is_edb9302() || machine_is_edb9302a()) {
193 /* EP9301 and EP9302 only have pwm.1 (EGPIO14) */
194 ep93xx_register_pwm(0, 1);
195 } else if (machine_is_edb9307() || machine_is_edb9307a()) {
196 /* EP9307 only has pwm.0 (PWMOUT) */
197 ep93xx_register_pwm(1, 0);
198 } else {
199 /* EP9312 and EP9315 have both */
200 ep93xx_register_pwm(1, 1);
201 }
202}
203
204
13055192
HS		 205/*************************************************************************
206 * EDB93xx framebuffer
207 *************************************************************************/
208static struct ep93xxfb_mach_info __initdata edb93xxfb_info = {
209 .num_modes = EP93XXFB_USE_MODEDB,
210 .bpp = 16,
211 .flags = 0,
212};
213
214static int __init edb93xx_has_fb(void)
215{
216 /* These platforms have an ep93xx with video capability */
217 return machine_is_edb9307() || machine_is_edb9307a() ||
218 machine_is_edb9312() || machine_is_edb9315() ||
219 machine_is_edb9315a();
220}
221
222static void __init edb93xx_register_fb(void)
223{
224 if (!edb93xx_has_fb())
225 return;
226
227 if (machine_is_edb9307a() || machine_is_edb9315a())
228 edb93xxfb_info.flags |= EP93XXFB_USE_SDCSN0;
229 else
230 edb93xxfb_info.flags |= EP93XXFB_USE_SDCSN3;
231
232 ep93xx_register_fb(&edb93xxfb_info);
233}
234
235
762be297
RP		 236/*************************************************************************
237 * EDB93xx IDE
238 *************************************************************************/
239static int __init edb93xx_has_ide(void)
240{
241 /*
242 * Although EDB9312 and EDB9315 do have IDE capability, they have
243 * INTRQ line wired as pull-up, which makes using IDE interface
244 * problematic.
245 */
246 return machine_is_edb9312() || machine_is_edb9315() ||
247 machine_is_edb9315a();
248}
249
250static void __init edb93xx_register_ide(void)
251{
252 if (!edb93xx_has_ide())
253 return;
254
255 ep93xx_register_ide();
256}
257
258
a2bd40d2
HS		 259static void __init edb93xx_init_machine(void)
260{
261 ep93xx_init_devices();
262 edb93xx_register_flash();
263 ep93xx_register_eth(&edb93xx_eth_data, 1);
264 edb93xx_register_i2c();
31bb68a3
AS		 265 edb93xx_register_spi();
266 edb93xx_register_i2s();
1fbd972a 267 edb93xx_register_pwm();
13055192 268 edb93xx_register_fb();
762be297 269 edb93xx_register_ide();
a2bd40d2
HS		 270}
271
272
273#ifdef CONFIG_MACH_EDB9301
274MACHINE_START(EDB9301, "Cirrus Logic EDB9301 Evaluation Board")
275 /* Maintainer: H Hartley Sweeten <hsweeten@visionengravers.com> */
e562cf17 276 .atag_offset = 0x100,
a2bd40d2
HS		 277 .map_io = ep93xx_map_io,
278 .init_irq = ep93xx_init_irq,
9a6879bd 279 .handle_irq = vic_handle_irq,
a2bd40d2
HS		 280 .timer = &ep93xx_timer,
281 .init_machine = edb93xx_init_machine,
c914283f 282 .init_late = ep93xx_init_late,
3275166e 283 .restart = ep93xx_restart,
a2bd40d2
HS		 284MACHINE_END
285#endif
286
287#ifdef CONFIG_MACH_EDB9302
288MACHINE_START(EDB9302, "Cirrus Logic EDB9302 Evaluation Board")
289 /* Maintainer: George Kashperko <george@chas.com.ua> */
e562cf17 290 .atag_offset = 0x100,
a2bd40d2
HS		 291 .map_io = ep93xx_map_io,
292 .init_irq = ep93xx_init_irq,
9a6879bd 293 .handle_irq = vic_handle_irq,
a2bd40d2
HS		 294 .timer = &ep93xx_timer,
295 .init_machine = edb93xx_init_machine,
c914283f 296 .init_late = ep93xx_init_late,
3275166e 297 .restart = ep93xx_restart,
a2bd40d2
HS		 298MACHINE_END
299#endif
300
301#ifdef CONFIG_MACH_EDB9302A
302MACHINE_START(EDB9302A, "Cirrus Logic EDB9302A Evaluation Board")
303 /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
e562cf17 304 .atag_offset = 0x100,
a2bd40d2
HS		 305 .map_io = ep93xx_map_io,
306 .init_irq = ep93xx_init_irq,
9a6879bd 307 .handle_irq = vic_handle_irq,
a2bd40d2
HS		 308 .timer = &ep93xx_timer,
309 .init_machine = edb93xx_init_machine,
c914283f 310 .init_late = ep93xx_init_late,
3275166e 311 .restart = ep93xx_restart,
a2bd40d2
HS		 312MACHINE_END
313#endif
314
315#ifdef CONFIG_MACH_EDB9307
316MACHINE_START(EDB9307, "Cirrus Logic EDB9307 Evaluation Board")
317 /* Maintainer: Herbert Valerio Riedel <hvr@gnu.org> */
e562cf17 318 .atag_offset = 0x100,
a2bd40d2
HS		 319 .map_io = ep93xx_map_io,
320 .init_irq = ep93xx_init_irq,
9a6879bd 321 .handle_irq = vic_handle_irq,
a2bd40d2
HS		 322 .timer = &ep93xx_timer,
323 .init_machine = edb93xx_init_machine,
c914283f 324 .init_late = ep93xx_init_late,
3275166e 325 .restart = ep93xx_restart,
a2bd40d2
HS		 326MACHINE_END
327#endif
328
329#ifdef CONFIG_MACH_EDB9307A
330MACHINE_START(EDB9307A, "Cirrus Logic EDB9307A Evaluation Board")
331 /* Maintainer: H Hartley Sweeten <hsweeten@visionengravers.com> */
e562cf17 332 .atag_offset = 0x100,
a2bd40d2
HS		 333 .map_io = ep93xx_map_io,
334 .init_irq = ep93xx_init_irq,
9a6879bd 335 .handle_irq = vic_handle_irq,
a2bd40d2
HS		 336 .timer = &ep93xx_timer,
337 .init_machine = edb93xx_init_machine,
c914283f 338 .init_late = ep93xx_init_late,
3275166e 339 .restart = ep93xx_restart,
a2bd40d2
HS		 340MACHINE_END
341#endif
342
343#ifdef CONFIG_MACH_EDB9312
344MACHINE_START(EDB9312, "Cirrus Logic EDB9312 Evaluation Board")
345 /* Maintainer: Toufeeq Hussain <toufeeq_hussain@infosys.com> */
e562cf17 346 .atag_offset = 0x100,
a2bd40d2
HS		 347 .map_io = ep93xx_map_io,
348 .init_irq = ep93xx_init_irq,
9a6879bd 349 .handle_irq = vic_handle_irq,
a2bd40d2
HS		 350 .timer = &ep93xx_timer,
351 .init_machine = edb93xx_init_machine,
c914283f 352 .init_late = ep93xx_init_late,
3275166e 353 .restart = ep93xx_restart,
a2bd40d2
HS		 354MACHINE_END
355#endif
356
357#ifdef CONFIG_MACH_EDB9315
358MACHINE_START(EDB9315, "Cirrus Logic EDB9315 Evaluation Board")
359 /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
e562cf17 360 .atag_offset = 0x100,
a2bd40d2
HS		 361 .map_io = ep93xx_map_io,
362 .init_irq = ep93xx_init_irq,
9a6879bd 363 .handle_irq = vic_handle_irq,
a2bd40d2
HS		 364 .timer = &ep93xx_timer,
365 .init_machine = edb93xx_init_machine,
c914283f 366 .init_late = ep93xx_init_late,
3275166e 367 .restart = ep93xx_restart,
a2bd40d2
HS		 368MACHINE_END
369#endif
370
371#ifdef CONFIG_MACH_EDB9315A
372MACHINE_START(EDB9315A, "Cirrus Logic EDB9315A Evaluation Board")
373 /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
e562cf17 374 .atag_offset = 0x100,
a2bd40d2
HS		 375 .map_io = ep93xx_map_io,
376 .init_irq = ep93xx_init_irq,
9a6879bd 377 .handle_irq = vic_handle_irq,
a2bd40d2
HS		 378 .timer = &ep93xx_timer,
379 .init_machine = edb93xx_init_machine,
c914283f 380 .init_late = ep93xx_init_late,
3275166e 381 .restart = ep93xx_restart,
a2bd40d2
HS		 382MACHINE_END
383#endif
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