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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 HS |
30 | #include <linux/i2c.h> |
31 | #include <linux/i2c-gpio.h> | |
31bb68a3 AS |
32 | #include <linux/spi/spi.h> |
33 | ||
34 | #include <sound/cs4271.h> | |
583ddafe | 35 | |
a2bd40d2 | 36 | #include <mach/hardware.h> |
a3b29245 AB |
37 | #include <linux/platform_data/video-ep93xx.h> |
38 | #include <linux/platform_data/spi-ep93xx.h> | |
bd5f12a2 | 39 | #include <mach/gpio-ep93xx.h> |
583ddafe | 40 | |
a2bd40d2 HS |
41 | #include <asm/mach-types.h> |
42 | #include <asm/mach/arch.h> | |
43 | ||
258249ec | 44 | #include "soc.h" |
583ddafe | 45 | |
a2bd40d2 HS |
46 | static void __init edb93xx_register_flash(void) |
47 | { | |
48 | if (machine_is_edb9307() || machine_is_edb9312() || | |
49 | machine_is_edb9315()) { | |
16bcf78f | 50 | ep93xx_register_flash(4, EP93XX_CS6_PHYS_BASE, SZ_32M); |
a2bd40d2 | 51 | } else { |
16bcf78f | 52 | ep93xx_register_flash(2, EP93XX_CS6_PHYS_BASE, SZ_16M); |
a2bd40d2 HS |
53 | } |
54 | } | |
55 | ||
b370e082 | 56 | static struct ep93xx_eth_data __initdata edb93xx_eth_data = { |
a2bd40d2 HS |
57 | .phy_id = 1, |
58 | }; | |
59 | ||
6531a991 HS |
60 | |
61 | /************************************************************************* | |
62 | * EDB93xx i2c peripheral handling | |
63 | *************************************************************************/ | |
b370e082 | 64 | static struct i2c_gpio_platform_data __initdata edb93xx_i2c_gpio_data = { |
6531a991 HS |
65 | .sda_pin = EP93XX_GPIO_LINE_EEDAT, |
66 | .sda_is_open_drain = 0, | |
67 | .scl_pin = EP93XX_GPIO_LINE_EECLK, | |
68 | .scl_is_open_drain = 0, | |
69 | .udelay = 0, /* default to 100 kHz */ | |
70 | .timeout = 0, /* default to 100 ms */ | |
71 | }; | |
72 | ||
73 | static struct i2c_board_info __initdata edb93xxa_i2c_board_info[] = { | |
a2bd40d2 HS |
74 | { |
75 | I2C_BOARD_INFO("isl1208", 0x6f), | |
76 | }, | |
77 | }; | |
78 | ||
6531a991 | 79 | static struct i2c_board_info __initdata edb93xx_i2c_board_info[] = { |
a2bd40d2 HS |
80 | { |
81 | I2C_BOARD_INFO("ds1337", 0x68), | |
82 | }, | |
83 | }; | |
84 | ||
85 | static void __init edb93xx_register_i2c(void) | |
86 | { | |
87 | if (machine_is_edb9302a() || machine_is_edb9307a() || | |
88 | machine_is_edb9315a()) { | |
6531a991 HS |
89 | ep93xx_register_i2c(&edb93xx_i2c_gpio_data, |
90 | edb93xxa_i2c_board_info, | |
91 | ARRAY_SIZE(edb93xxa_i2c_board_info)); | |
688df8f0 TC |
92 | } else if (machine_is_edb9302() || machine_is_edb9307() |
93 | || machine_is_edb9312() || machine_is_edb9315()) { | |
3d977c01 | 94 | ep93xx_register_i2c(&edb93xx_i2c_gpio_data, |
6531a991 HS |
95 | edb93xx_i2c_board_info, |
96 | ARRAY_SIZE(edb93xx_i2c_board_info)); | |
a2bd40d2 HS |
97 | } |
98 | } | |
99 | ||
1fbd972a | 100 | |
31bb68a3 AS |
101 | /************************************************************************* |
102 | * EDB93xx SPI peripheral handling | |
103 | *************************************************************************/ | |
104 | static struct cs4271_platform_data edb93xx_cs4271_data = { | |
105 | .gpio_nreset = -EINVAL, /* filled in later */ | |
106 | }; | |
107 | ||
31bb68a3 AS |
108 | static struct spi_board_info edb93xx_spi_board_info[] __initdata = { |
109 | { | |
110 | .modalias = "cs4271", | |
111 | .platform_data = &edb93xx_cs4271_data, | |
31bb68a3 AS |
112 | .max_speed_hz = 6000000, |
113 | .bus_num = 0, | |
114 | .chip_select = 0, | |
115 | .mode = SPI_MODE_3, | |
116 | }, | |
117 | }; | |
118 | ||
55f0cd3f HS |
119 | static int edb93xx_spi_chipselects[] __initdata = { |
120 | EP93XX_GPIO_LINE_EGPIO6, | |
121 | }; | |
122 | ||
31bb68a3 | 123 | static struct ep93xx_spi_info edb93xx_spi_info __initdata = { |
55f0cd3f HS |
124 | .chipselect = edb93xx_spi_chipselects, |
125 | .num_chipselect = ARRAY_SIZE(edb93xx_spi_chipselects), | |
31bb68a3 AS |
126 | }; |
127 | ||
128 | static void __init edb93xx_register_spi(void) | |
129 | { | |
130 | if (machine_is_edb9301() || machine_is_edb9302()) | |
131 | edb93xx_cs4271_data.gpio_nreset = EP93XX_GPIO_LINE_EGPIO1; | |
132 | else if (machine_is_edb9302a() || machine_is_edb9307a()) | |
133 | edb93xx_cs4271_data.gpio_nreset = EP93XX_GPIO_LINE_H(2); | |
134 | else if (machine_is_edb9315a()) | |
135 | edb93xx_cs4271_data.gpio_nreset = EP93XX_GPIO_LINE_EGPIO14; | |
136 | ||
137 | ep93xx_register_spi(&edb93xx_spi_info, edb93xx_spi_board_info, | |
138 | ARRAY_SIZE(edb93xx_spi_board_info)); | |
139 | } | |
140 | ||
141 | ||
142 | /************************************************************************* | |
143 | * EDB93xx I2S | |
144 | *************************************************************************/ | |
075b20b0 MW |
145 | static struct platform_device edb93xx_audio_device = { |
146 | .name = "edb93xx-audio", | |
147 | .id = -1, | |
148 | }; | |
149 | ||
31bb68a3 AS |
150 | static int __init edb93xx_has_audio(void) |
151 | { | |
152 | return (machine_is_edb9301() || machine_is_edb9302() || | |
153 | machine_is_edb9302a() || machine_is_edb9307a() || | |
154 | machine_is_edb9315a()); | |
155 | } | |
156 | ||
157 | static void __init edb93xx_register_i2s(void) | |
158 | { | |
159 | if (edb93xx_has_audio()) { | |
160 | ep93xx_register_i2s(); | |
075b20b0 | 161 | platform_device_register(&edb93xx_audio_device); |
31bb68a3 AS |
162 | } |
163 | } | |
164 | ||
165 | ||
1fbd972a HS |
166 | /************************************************************************* |
167 | * EDB93xx pwm | |
168 | *************************************************************************/ | |
169 | static void __init edb93xx_register_pwm(void) | |
170 | { | |
171 | if (machine_is_edb9301() || | |
172 | machine_is_edb9302() || machine_is_edb9302a()) { | |
173 | /* EP9301 and EP9302 only have pwm.1 (EGPIO14) */ | |
174 | ep93xx_register_pwm(0, 1); | |
175 | } else if (machine_is_edb9307() || machine_is_edb9307a()) { | |
176 | /* EP9307 only has pwm.0 (PWMOUT) */ | |
177 | ep93xx_register_pwm(1, 0); | |
178 | } else { | |
179 | /* EP9312 and EP9315 have both */ | |
180 | ep93xx_register_pwm(1, 1); | |
181 | } | |
182 | } | |
183 | ||
184 | ||
13055192 HS |
185 | /************************************************************************* |
186 | * EDB93xx framebuffer | |
187 | *************************************************************************/ | |
188 | static struct ep93xxfb_mach_info __initdata edb93xxfb_info = { | |
13055192 HS |
189 | .flags = 0, |
190 | }; | |
191 | ||
192 | static int __init edb93xx_has_fb(void) | |
193 | { | |
194 | /* These platforms have an ep93xx with video capability */ | |
195 | return machine_is_edb9307() || machine_is_edb9307a() || | |
196 | machine_is_edb9312() || machine_is_edb9315() || | |
197 | machine_is_edb9315a(); | |
198 | } | |
199 | ||
200 | static void __init edb93xx_register_fb(void) | |
201 | { | |
202 | if (!edb93xx_has_fb()) | |
203 | return; | |
204 | ||
205 | if (machine_is_edb9307a() || machine_is_edb9315a()) | |
206 | edb93xxfb_info.flags |= EP93XXFB_USE_SDCSN0; | |
207 | else | |
208 | edb93xxfb_info.flags |= EP93XXFB_USE_SDCSN3; | |
209 | ||
210 | ep93xx_register_fb(&edb93xxfb_info); | |
211 | } | |
212 | ||
213 | ||
762be297 RP |
214 | /************************************************************************* |
215 | * EDB93xx IDE | |
216 | *************************************************************************/ | |
217 | static int __init edb93xx_has_ide(void) | |
218 | { | |
219 | /* | |
220 | * Although EDB9312 and EDB9315 do have IDE capability, they have | |
221 | * INTRQ line wired as pull-up, which makes using IDE interface | |
222 | * problematic. | |
223 | */ | |
224 | return machine_is_edb9312() || machine_is_edb9315() || | |
225 | machine_is_edb9315a(); | |
226 | } | |
227 | ||
228 | static void __init edb93xx_register_ide(void) | |
229 | { | |
230 | if (!edb93xx_has_ide()) | |
231 | return; | |
232 | ||
233 | ep93xx_register_ide(); | |
234 | } | |
235 | ||
236 | ||
a2bd40d2 HS |
237 | static void __init edb93xx_init_machine(void) |
238 | { | |
239 | ep93xx_init_devices(); | |
240 | edb93xx_register_flash(); | |
241 | ep93xx_register_eth(&edb93xx_eth_data, 1); | |
242 | edb93xx_register_i2c(); | |
31bb68a3 AS |
243 | edb93xx_register_spi(); |
244 | edb93xx_register_i2s(); | |
1fbd972a | 245 | edb93xx_register_pwm(); |
13055192 | 246 | edb93xx_register_fb(); |
762be297 | 247 | edb93xx_register_ide(); |
57f3b7c7 | 248 | ep93xx_register_adc(); |
a2bd40d2 HS |
249 | } |
250 | ||
251 | ||
252 | #ifdef CONFIG_MACH_EDB9301 | |
253 | MACHINE_START(EDB9301, "Cirrus Logic EDB9301 Evaluation Board") | |
254 | /* Maintainer: H Hartley Sweeten <hsweeten@visionengravers.com> */ | |
e562cf17 | 255 | .atag_offset = 0x100, |
a2bd40d2 HS |
256 | .map_io = ep93xx_map_io, |
257 | .init_irq = ep93xx_init_irq, | |
6bb27d73 | 258 | .init_time = ep93xx_timer_init, |
a2bd40d2 | 259 | .init_machine = edb93xx_init_machine, |
c914283f | 260 | .init_late = ep93xx_init_late, |
3275166e | 261 | .restart = ep93xx_restart, |
a2bd40d2 HS |
262 | MACHINE_END |
263 | #endif | |
264 | ||
265 | #ifdef CONFIG_MACH_EDB9302 | |
266 | MACHINE_START(EDB9302, "Cirrus Logic EDB9302 Evaluation Board") | |
267 | /* Maintainer: George Kashperko <george@chas.com.ua> */ | |
e562cf17 | 268 | .atag_offset = 0x100, |
a2bd40d2 HS |
269 | .map_io = ep93xx_map_io, |
270 | .init_irq = ep93xx_init_irq, | |
6bb27d73 | 271 | .init_time = ep93xx_timer_init, |
a2bd40d2 | 272 | .init_machine = edb93xx_init_machine, |
c914283f | 273 | .init_late = ep93xx_init_late, |
3275166e | 274 | .restart = ep93xx_restart, |
a2bd40d2 HS |
275 | MACHINE_END |
276 | #endif | |
277 | ||
278 | #ifdef CONFIG_MACH_EDB9302A | |
279 | MACHINE_START(EDB9302A, "Cirrus Logic EDB9302A Evaluation Board") | |
280 | /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */ | |
e562cf17 | 281 | .atag_offset = 0x100, |
a2bd40d2 HS |
282 | .map_io = ep93xx_map_io, |
283 | .init_irq = ep93xx_init_irq, | |
6bb27d73 | 284 | .init_time = ep93xx_timer_init, |
a2bd40d2 | 285 | .init_machine = edb93xx_init_machine, |
c914283f | 286 | .init_late = ep93xx_init_late, |
3275166e | 287 | .restart = ep93xx_restart, |
a2bd40d2 HS |
288 | MACHINE_END |
289 | #endif | |
290 | ||
291 | #ifdef CONFIG_MACH_EDB9307 | |
292 | MACHINE_START(EDB9307, "Cirrus Logic EDB9307 Evaluation Board") | |
293 | /* Maintainer: Herbert Valerio Riedel <hvr@gnu.org> */ | |
e562cf17 | 294 | .atag_offset = 0x100, |
a2bd40d2 HS |
295 | .map_io = ep93xx_map_io, |
296 | .init_irq = ep93xx_init_irq, | |
6bb27d73 | 297 | .init_time = ep93xx_timer_init, |
a2bd40d2 | 298 | .init_machine = edb93xx_init_machine, |
c914283f | 299 | .init_late = ep93xx_init_late, |
3275166e | 300 | .restart = ep93xx_restart, |
a2bd40d2 HS |
301 | MACHINE_END |
302 | #endif | |
303 | ||
304 | #ifdef CONFIG_MACH_EDB9307A | |
305 | MACHINE_START(EDB9307A, "Cirrus Logic EDB9307A Evaluation Board") | |
306 | /* Maintainer: H Hartley Sweeten <hsweeten@visionengravers.com> */ | |
e562cf17 | 307 | .atag_offset = 0x100, |
a2bd40d2 HS |
308 | .map_io = ep93xx_map_io, |
309 | .init_irq = ep93xx_init_irq, | |
6bb27d73 | 310 | .init_time = ep93xx_timer_init, |
a2bd40d2 | 311 | .init_machine = edb93xx_init_machine, |
c914283f | 312 | .init_late = ep93xx_init_late, |
3275166e | 313 | .restart = ep93xx_restart, |
a2bd40d2 HS |
314 | MACHINE_END |
315 | #endif | |
316 | ||
317 | #ifdef CONFIG_MACH_EDB9312 | |
318 | MACHINE_START(EDB9312, "Cirrus Logic EDB9312 Evaluation Board") | |
319 | /* Maintainer: Toufeeq Hussain <toufeeq_hussain@infosys.com> */ | |
e562cf17 | 320 | .atag_offset = 0x100, |
a2bd40d2 HS |
321 | .map_io = ep93xx_map_io, |
322 | .init_irq = ep93xx_init_irq, | |
6bb27d73 | 323 | .init_time = ep93xx_timer_init, |
a2bd40d2 | 324 | .init_machine = edb93xx_init_machine, |
c914283f | 325 | .init_late = ep93xx_init_late, |
3275166e | 326 | .restart = ep93xx_restart, |
a2bd40d2 HS |
327 | MACHINE_END |
328 | #endif | |
329 | ||
330 | #ifdef CONFIG_MACH_EDB9315 | |
331 | MACHINE_START(EDB9315, "Cirrus Logic EDB9315 Evaluation Board") | |
332 | /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */ | |
e562cf17 | 333 | .atag_offset = 0x100, |
a2bd40d2 HS |
334 | .map_io = ep93xx_map_io, |
335 | .init_irq = ep93xx_init_irq, | |
6bb27d73 | 336 | .init_time = ep93xx_timer_init, |
a2bd40d2 | 337 | .init_machine = edb93xx_init_machine, |
c914283f | 338 | .init_late = ep93xx_init_late, |
3275166e | 339 | .restart = ep93xx_restart, |
a2bd40d2 HS |
340 | MACHINE_END |
341 | #endif | |
342 | ||
343 | #ifdef CONFIG_MACH_EDB9315A | |
344 | MACHINE_START(EDB9315A, "Cirrus Logic EDB9315A Evaluation Board") | |
345 | /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */ | |
e562cf17 | 346 | .atag_offset = 0x100, |
a2bd40d2 HS |
347 | .map_io = ep93xx_map_io, |
348 | .init_irq = ep93xx_init_irq, | |
6bb27d73 | 349 | .init_time = ep93xx_timer_init, |
a2bd40d2 | 350 | .init_machine = edb93xx_init_machine, |
c914283f | 351 | .init_late = ep93xx_init_late, |
3275166e | 352 | .restart = ep93xx_restart, |
a2bd40d2 HS |
353 | MACHINE_END |
354 | #endif |