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ARM: ep93xx: move pinctrl interfaces into include/linux/soc
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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 30#include <linux/i2c.h>
31bb68a3
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31#include <linux/spi/spi.h>
32
33#include <sound/cs4271.h>
583ddafe 34
a2bd40d2 35#include <mach/hardware.h>
a3b29245
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36#include <linux/platform_data/video-ep93xx.h>
37#include <linux/platform_data/spi-ep93xx.h>
bd5f12a2 38#include <mach/gpio-ep93xx.h>
583ddafe 39
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40#include <asm/mach-types.h>
41#include <asm/mach/arch.h>
42
258249ec 43#include "soc.h"
583ddafe 44
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45static void __init edb93xx_register_flash(void)
46{
47 if (machine_is_edb9307() || machine_is_edb9312() ||
48 machine_is_edb9315()) {
16bcf78f 49 ep93xx_register_flash(4, EP93XX_CS6_PHYS_BASE, SZ_32M);
a2bd40d2 50 } else {
16bcf78f 51 ep93xx_register_flash(2, EP93XX_CS6_PHYS_BASE, SZ_16M);
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52 }
53}
54
b370e082 55static struct ep93xx_eth_data __initdata edb93xx_eth_data = {
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56 .phy_id = 1,
57};
58
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59
60/*************************************************************************
61 * EDB93xx i2c peripheral handling
62 *************************************************************************/
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63
64static struct i2c_board_info __initdata edb93xxa_i2c_board_info[] = {
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65 {
66 I2C_BOARD_INFO("isl1208", 0x6f),
67 },
68};
69
6531a991 70static struct i2c_board_info __initdata edb93xx_i2c_board_info[] = {
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71 {
72 I2C_BOARD_INFO("ds1337", 0x68),
73 },
74};
75
76static void __init edb93xx_register_i2c(void)
77{
78 if (machine_is_edb9302a() || machine_is_edb9307a() ||
79 machine_is_edb9315a()) {
b2e63555 80 ep93xx_register_i2c(edb93xxa_i2c_board_info,
6531a991 81 ARRAY_SIZE(edb93xxa_i2c_board_info));
688df8f0
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82 } else if (machine_is_edb9302() || machine_is_edb9307()
83 || machine_is_edb9312() || machine_is_edb9315()) {
b2e63555 84 ep93xx_register_i2c(edb93xx_i2c_board_info,
6531a991 85 ARRAY_SIZE(edb93xx_i2c_board_info));
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86 }
87}
88
1fbd972a 89
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90/*************************************************************************
91 * EDB93xx SPI peripheral handling
92 *************************************************************************/
93static struct cs4271_platform_data edb93xx_cs4271_data = {
94 .gpio_nreset = -EINVAL, /* filled in later */
95};
96
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97static struct spi_board_info edb93xx_spi_board_info[] __initdata = {
98 {
99 .modalias = "cs4271",
100 .platform_data = &edb93xx_cs4271_data,
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101 .max_speed_hz = 6000000,
102 .bus_num = 0,
103 .chip_select = 0,
104 .mode = SPI_MODE_3,
105 },
106};
107
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108static int edb93xx_spi_chipselects[] __initdata = {
109 EP93XX_GPIO_LINE_EGPIO6,
110};
111
31bb68a3 112static struct ep93xx_spi_info edb93xx_spi_info __initdata = {
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113 .chipselect = edb93xx_spi_chipselects,
114 .num_chipselect = ARRAY_SIZE(edb93xx_spi_chipselects),
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115};
116
117static void __init edb93xx_register_spi(void)
118{
119 if (machine_is_edb9301() || machine_is_edb9302())
120 edb93xx_cs4271_data.gpio_nreset = EP93XX_GPIO_LINE_EGPIO1;
121 else if (machine_is_edb9302a() || machine_is_edb9307a())
122 edb93xx_cs4271_data.gpio_nreset = EP93XX_GPIO_LINE_H(2);
123 else if (machine_is_edb9315a())
124 edb93xx_cs4271_data.gpio_nreset = EP93XX_GPIO_LINE_EGPIO14;
125
126 ep93xx_register_spi(&edb93xx_spi_info, edb93xx_spi_board_info,
127 ARRAY_SIZE(edb93xx_spi_board_info));
128}
129
130
131/*************************************************************************
132 * EDB93xx I2S
133 *************************************************************************/
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134static struct platform_device edb93xx_audio_device = {
135 .name = "edb93xx-audio",
136 .id = -1,
137};
138
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139static int __init edb93xx_has_audio(void)
140{
141 return (machine_is_edb9301() || machine_is_edb9302() ||
142 machine_is_edb9302a() || machine_is_edb9307a() ||
143 machine_is_edb9315a());
144}
145
146static void __init edb93xx_register_i2s(void)
147{
148 if (edb93xx_has_audio()) {
149 ep93xx_register_i2s();
075b20b0 150 platform_device_register(&edb93xx_audio_device);
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151 }
152}
153
154
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155/*************************************************************************
156 * EDB93xx pwm
157 *************************************************************************/
158static void __init edb93xx_register_pwm(void)
159{
160 if (machine_is_edb9301() ||
161 machine_is_edb9302() || machine_is_edb9302a()) {
162 /* EP9301 and EP9302 only have pwm.1 (EGPIO14) */
163 ep93xx_register_pwm(0, 1);
164 } else if (machine_is_edb9307() || machine_is_edb9307a()) {
165 /* EP9307 only has pwm.0 (PWMOUT) */
166 ep93xx_register_pwm(1, 0);
167 } else {
168 /* EP9312 and EP9315 have both */
169 ep93xx_register_pwm(1, 1);
170 }
171}
172
173
13055192
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174/*************************************************************************
175 * EDB93xx framebuffer
176 *************************************************************************/
177static struct ep93xxfb_mach_info __initdata edb93xxfb_info = {
13055192
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178 .flags = 0,
179};
180
181static int __init edb93xx_has_fb(void)
182{
183 /* These platforms have an ep93xx with video capability */
184 return machine_is_edb9307() || machine_is_edb9307a() ||
185 machine_is_edb9312() || machine_is_edb9315() ||
186 machine_is_edb9315a();
187}
188
189static void __init edb93xx_register_fb(void)
190{
191 if (!edb93xx_has_fb())
192 return;
193
194 if (machine_is_edb9307a() || machine_is_edb9315a())
195 edb93xxfb_info.flags |= EP93XXFB_USE_SDCSN0;
196 else
197 edb93xxfb_info.flags |= EP93XXFB_USE_SDCSN3;
198
199 ep93xx_register_fb(&edb93xxfb_info);
200}
201
202
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203/*************************************************************************
204 * EDB93xx IDE
205 *************************************************************************/
206static int __init edb93xx_has_ide(void)
207{
208 /*
209 * Although EDB9312 and EDB9315 do have IDE capability, they have
210 * INTRQ line wired as pull-up, which makes using IDE interface
211 * problematic.
212 */
213 return machine_is_edb9312() || machine_is_edb9315() ||
214 machine_is_edb9315a();
215}
216
217static void __init edb93xx_register_ide(void)
218{
219 if (!edb93xx_has_ide())
220 return;
221
222 ep93xx_register_ide();
223}
224
225
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226static void __init edb93xx_init_machine(void)
227{
228 ep93xx_init_devices();
229 edb93xx_register_flash();
230 ep93xx_register_eth(&edb93xx_eth_data, 1);
231 edb93xx_register_i2c();
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232 edb93xx_register_spi();
233 edb93xx_register_i2s();
1fbd972a 234 edb93xx_register_pwm();
13055192 235 edb93xx_register_fb();
762be297 236 edb93xx_register_ide();
57f3b7c7 237 ep93xx_register_adc();
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238}
239
240
241#ifdef CONFIG_MACH_EDB9301
242MACHINE_START(EDB9301, "Cirrus Logic EDB9301 Evaluation Board")
243 /* Maintainer: H Hartley Sweeten <hsweeten@visionengravers.com> */
e562cf17 244 .atag_offset = 0x100,
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245 .map_io = ep93xx_map_io,
246 .init_irq = ep93xx_init_irq,
6bb27d73 247 .init_time = ep93xx_timer_init,
a2bd40d2 248 .init_machine = edb93xx_init_machine,
c914283f 249 .init_late = ep93xx_init_late,
3275166e 250 .restart = ep93xx_restart,
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251MACHINE_END
252#endif
253
254#ifdef CONFIG_MACH_EDB9302
255MACHINE_START(EDB9302, "Cirrus Logic EDB9302 Evaluation Board")
256 /* Maintainer: George Kashperko <george@chas.com.ua> */
e562cf17 257 .atag_offset = 0x100,
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258 .map_io = ep93xx_map_io,
259 .init_irq = ep93xx_init_irq,
6bb27d73 260 .init_time = ep93xx_timer_init,
a2bd40d2 261 .init_machine = edb93xx_init_machine,
c914283f 262 .init_late = ep93xx_init_late,
3275166e 263 .restart = ep93xx_restart,
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264MACHINE_END
265#endif
266
267#ifdef CONFIG_MACH_EDB9302A
268MACHINE_START(EDB9302A, "Cirrus Logic EDB9302A Evaluation Board")
269 /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
e562cf17 270 .atag_offset = 0x100,
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271 .map_io = ep93xx_map_io,
272 .init_irq = ep93xx_init_irq,
6bb27d73 273 .init_time = ep93xx_timer_init,
a2bd40d2 274 .init_machine = edb93xx_init_machine,
c914283f 275 .init_late = ep93xx_init_late,
3275166e 276 .restart = ep93xx_restart,
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277MACHINE_END
278#endif
279
280#ifdef CONFIG_MACH_EDB9307
281MACHINE_START(EDB9307, "Cirrus Logic EDB9307 Evaluation Board")
282 /* Maintainer: Herbert Valerio Riedel <hvr@gnu.org> */
e562cf17 283 .atag_offset = 0x100,
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284 .map_io = ep93xx_map_io,
285 .init_irq = ep93xx_init_irq,
6bb27d73 286 .init_time = ep93xx_timer_init,
a2bd40d2 287 .init_machine = edb93xx_init_machine,
c914283f 288 .init_late = ep93xx_init_late,
3275166e 289 .restart = ep93xx_restart,
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290MACHINE_END
291#endif
292
293#ifdef CONFIG_MACH_EDB9307A
294MACHINE_START(EDB9307A, "Cirrus Logic EDB9307A Evaluation Board")
295 /* Maintainer: H Hartley Sweeten <hsweeten@visionengravers.com> */
e562cf17 296 .atag_offset = 0x100,
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297 .map_io = ep93xx_map_io,
298 .init_irq = ep93xx_init_irq,
6bb27d73 299 .init_time = ep93xx_timer_init,
a2bd40d2 300 .init_machine = edb93xx_init_machine,
c914283f 301 .init_late = ep93xx_init_late,
3275166e 302 .restart = ep93xx_restart,
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303MACHINE_END
304#endif
305
306#ifdef CONFIG_MACH_EDB9312
307MACHINE_START(EDB9312, "Cirrus Logic EDB9312 Evaluation Board")
308 /* Maintainer: Toufeeq Hussain <toufeeq_hussain@infosys.com> */
e562cf17 309 .atag_offset = 0x100,
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310 .map_io = ep93xx_map_io,
311 .init_irq = ep93xx_init_irq,
6bb27d73 312 .init_time = ep93xx_timer_init,
a2bd40d2 313 .init_machine = edb93xx_init_machine,
c914283f 314 .init_late = ep93xx_init_late,
3275166e 315 .restart = ep93xx_restart,
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316MACHINE_END
317#endif
318
319#ifdef CONFIG_MACH_EDB9315
320MACHINE_START(EDB9315, "Cirrus Logic EDB9315 Evaluation Board")
321 /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
e562cf17 322 .atag_offset = 0x100,
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323 .map_io = ep93xx_map_io,
324 .init_irq = ep93xx_init_irq,
6bb27d73 325 .init_time = ep93xx_timer_init,
a2bd40d2 326 .init_machine = edb93xx_init_machine,
c914283f 327 .init_late = ep93xx_init_late,
3275166e 328 .restart = ep93xx_restart,
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329MACHINE_END
330#endif
331
332#ifdef CONFIG_MACH_EDB9315A
333MACHINE_START(EDB9315A, "Cirrus Logic EDB9315A Evaluation Board")
334 /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
e562cf17 335 .atag_offset = 0x100,
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336 .map_io = ep93xx_map_io,
337 .init_irq = ep93xx_init_irq,
6bb27d73 338 .init_time = ep93xx_timer_init,
a2bd40d2 339 .init_machine = edb93xx_init_machine,
c914283f 340 .init_late = ep93xx_init_late,
3275166e 341 .restart = ep93xx_restart,
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342MACHINE_END
343#endif