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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 | 30 | #include <linux/i2c.h> |
31bb68a3 AS |
31 | #include <linux/spi/spi.h> |
32 | ||
33 | #include <sound/cs4271.h> | |
583ddafe | 34 | |
a2bd40d2 | 35 | #include <mach/hardware.h> |
a3b29245 AB |
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 | |
a2bd40d2 HS |
40 | #include <asm/mach-types.h> |
41 | #include <asm/mach/arch.h> | |
42 | ||
258249ec | 43 | #include "soc.h" |
583ddafe | 44 | |
a2bd40d2 HS |
45 | static 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); |
a2bd40d2 HS |
52 | } |
53 | } | |
54 | ||
b370e082 | 55 | static struct ep93xx_eth_data __initdata edb93xx_eth_data = { |
a2bd40d2 HS |
56 | .phy_id = 1, |
57 | }; | |
58 | ||
6531a991 HS |
59 | |
60 | /************************************************************************* | |
61 | * EDB93xx i2c peripheral handling | |
62 | *************************************************************************/ | |
6531a991 HS |
63 | |
64 | static struct i2c_board_info __initdata edb93xxa_i2c_board_info[] = { | |
a2bd40d2 HS |
65 | { |
66 | I2C_BOARD_INFO("isl1208", 0x6f), | |
67 | }, | |
68 | }; | |
69 | ||
6531a991 | 70 | static struct i2c_board_info __initdata edb93xx_i2c_board_info[] = { |
a2bd40d2 HS |
71 | { |
72 | I2C_BOARD_INFO("ds1337", 0x68), | |
73 | }, | |
74 | }; | |
75 | ||
76 | static 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 TC |
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)); |
a2bd40d2 HS |
86 | } |
87 | } | |
88 | ||
1fbd972a | 89 | |
31bb68a3 AS |
90 | /************************************************************************* |
91 | * EDB93xx SPI peripheral handling | |
92 | *************************************************************************/ | |
93 | static struct cs4271_platform_data edb93xx_cs4271_data = { | |
94 | .gpio_nreset = -EINVAL, /* filled in later */ | |
95 | }; | |
96 | ||
31bb68a3 AS |
97 | static struct spi_board_info edb93xx_spi_board_info[] __initdata = { |
98 | { | |
99 | .modalias = "cs4271", | |
100 | .platform_data = &edb93xx_cs4271_data, | |
31bb68a3 AS |
101 | .max_speed_hz = 6000000, |
102 | .bus_num = 0, | |
103 | .chip_select = 0, | |
104 | .mode = SPI_MODE_3, | |
105 | }, | |
106 | }; | |
107 | ||
55f0cd3f HS |
108 | static int edb93xx_spi_chipselects[] __initdata = { |
109 | EP93XX_GPIO_LINE_EGPIO6, | |
110 | }; | |
111 | ||
31bb68a3 | 112 | static struct ep93xx_spi_info edb93xx_spi_info __initdata = { |
55f0cd3f HS |
113 | .chipselect = edb93xx_spi_chipselects, |
114 | .num_chipselect = ARRAY_SIZE(edb93xx_spi_chipselects), | |
31bb68a3 AS |
115 | }; |
116 | ||
117 | static 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 | *************************************************************************/ | |
075b20b0 MW |
134 | static struct platform_device edb93xx_audio_device = { |
135 | .name = "edb93xx-audio", | |
136 | .id = -1, | |
137 | }; | |
138 | ||
31bb68a3 AS |
139 | static 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 | ||
146 | static void __init edb93xx_register_i2s(void) | |
147 | { | |
148 | if (edb93xx_has_audio()) { | |
149 | ep93xx_register_i2s(); | |
075b20b0 | 150 | platform_device_register(&edb93xx_audio_device); |
31bb68a3 AS |
151 | } |
152 | } | |
153 | ||
154 | ||
1fbd972a HS |
155 | /************************************************************************* |
156 | * EDB93xx pwm | |
157 | *************************************************************************/ | |
158 | static 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 HS |
174 | /************************************************************************* |
175 | * EDB93xx framebuffer | |
176 | *************************************************************************/ | |
177 | static struct ep93xxfb_mach_info __initdata edb93xxfb_info = { | |
13055192 HS |
178 | .flags = 0, |
179 | }; | |
180 | ||
181 | static 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 | ||
189 | static 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 | ||
762be297 RP |
203 | /************************************************************************* |
204 | * EDB93xx IDE | |
205 | *************************************************************************/ | |
206 | static 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 | ||
217 | static void __init edb93xx_register_ide(void) | |
218 | { | |
219 | if (!edb93xx_has_ide()) | |
220 | return; | |
221 | ||
222 | ep93xx_register_ide(); | |
223 | } | |
224 | ||
225 | ||
a2bd40d2 HS |
226 | static 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(); | |
31bb68a3 AS |
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(); |
a2bd40d2 HS |
238 | } |
239 | ||
240 | ||
241 | #ifdef CONFIG_MACH_EDB9301 | |
242 | MACHINE_START(EDB9301, "Cirrus Logic EDB9301 Evaluation Board") | |
243 | /* Maintainer: H Hartley Sweeten <hsweeten@visionengravers.com> */ | |
e562cf17 | 244 | .atag_offset = 0x100, |
a2bd40d2 HS |
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, |
a2bd40d2 HS |
251 | MACHINE_END |
252 | #endif | |
253 | ||
254 | #ifdef CONFIG_MACH_EDB9302 | |
255 | MACHINE_START(EDB9302, "Cirrus Logic EDB9302 Evaluation Board") | |
256 | /* Maintainer: George Kashperko <george@chas.com.ua> */ | |
e562cf17 | 257 | .atag_offset = 0x100, |
a2bd40d2 HS |
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, |
a2bd40d2 HS |
264 | MACHINE_END |
265 | #endif | |
266 | ||
267 | #ifdef CONFIG_MACH_EDB9302A | |
268 | MACHINE_START(EDB9302A, "Cirrus Logic EDB9302A Evaluation Board") | |
269 | /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */ | |
e562cf17 | 270 | .atag_offset = 0x100, |
a2bd40d2 HS |
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, |
a2bd40d2 HS |
277 | MACHINE_END |
278 | #endif | |
279 | ||
280 | #ifdef CONFIG_MACH_EDB9307 | |
281 | MACHINE_START(EDB9307, "Cirrus Logic EDB9307 Evaluation Board") | |
282 | /* Maintainer: Herbert Valerio Riedel <hvr@gnu.org> */ | |
e562cf17 | 283 | .atag_offset = 0x100, |
a2bd40d2 HS |
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, |
a2bd40d2 HS |
290 | MACHINE_END |
291 | #endif | |
292 | ||
293 | #ifdef CONFIG_MACH_EDB9307A | |
294 | MACHINE_START(EDB9307A, "Cirrus Logic EDB9307A Evaluation Board") | |
295 | /* Maintainer: H Hartley Sweeten <hsweeten@visionengravers.com> */ | |
e562cf17 | 296 | .atag_offset = 0x100, |
a2bd40d2 HS |
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, |
a2bd40d2 HS |
303 | MACHINE_END |
304 | #endif | |
305 | ||
306 | #ifdef CONFIG_MACH_EDB9312 | |
307 | MACHINE_START(EDB9312, "Cirrus Logic EDB9312 Evaluation Board") | |
308 | /* Maintainer: Toufeeq Hussain <toufeeq_hussain@infosys.com> */ | |
e562cf17 | 309 | .atag_offset = 0x100, |
a2bd40d2 HS |
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, |
a2bd40d2 HS |
316 | MACHINE_END |
317 | #endif | |
318 | ||
319 | #ifdef CONFIG_MACH_EDB9315 | |
320 | MACHINE_START(EDB9315, "Cirrus Logic EDB9315 Evaluation Board") | |
321 | /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */ | |
e562cf17 | 322 | .atag_offset = 0x100, |
a2bd40d2 HS |
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, |
a2bd40d2 HS |
329 | MACHINE_END |
330 | #endif | |
331 | ||
332 | #ifdef CONFIG_MACH_EDB9315A | |
333 | MACHINE_START(EDB9315A, "Cirrus Logic EDB9315A Evaluation Board") | |
334 | /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */ | |
e562cf17 | 335 | .atag_offset = 0x100, |
a2bd40d2 HS |
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, |
a2bd40d2 HS |
342 | MACHINE_END |
343 | #endif |