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2874c5fd | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
a2bd40d2 HS |
2 | /* |
3 | * arch/arm/mach-ep93xx/edb93xx.c | |
4 | * Cirrus Logic EDB93xx Development Board support. | |
5 | * | |
6 | * EDB93XX, EDB9301, EDB9307A | |
7 | * Copyright (C) 2008-2009 H Hartley Sweeten <hsweeten@visionengravers.com> | |
8 | * | |
9 | * EDB9302 | |
10 | * Copyright (C) 2006 George Kashperko <george@chas.com.ua> | |
11 | * | |
12 | * EDB9302A, EDB9315, EDB9315A | |
13 | * Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org> | |
14 | * | |
15 | * EDB9307 | |
16 | * Copyright (C) 2007 Herbert Valerio Riedel <hvr@gnu.org> | |
17 | * | |
18 | * EDB9312 | |
19 | * Copyright (C) 2006 Infosys Technologies Limited | |
20 | * Toufeeq Hussain <toufeeq_hussain@infosys.com> | |
a2bd40d2 HS |
21 | */ |
22 | ||
23 | #include <linux/kernel.h> | |
24 | #include <linux/init.h> | |
a2bd40d2 | 25 | #include <linux/platform_device.h> |
6531a991 | 26 | #include <linux/i2c.h> |
31bb68a3 | 27 | #include <linux/spi/spi.h> |
1dfbf334 | 28 | #include <linux/gpio/machine.h> |
31bb68a3 AS |
29 | |
30 | #include <sound/cs4271.h> | |
583ddafe | 31 | |
5b7cc904 | 32 | #include "hardware.h" |
a3b29245 AB |
33 | #include <linux/platform_data/video-ep93xx.h> |
34 | #include <linux/platform_data/spi-ep93xx.h> | |
5b7cc904 | 35 | #include "gpio-ep93xx.h" |
583ddafe | 36 | |
a2bd40d2 HS |
37 | #include <asm/mach-types.h> |
38 | #include <asm/mach/arch.h> | |
39 | ||
258249ec | 40 | #include "soc.h" |
583ddafe | 41 | |
a2bd40d2 HS |
42 | static void __init edb93xx_register_flash(void) |
43 | { | |
44 | if (machine_is_edb9307() || machine_is_edb9312() || | |
45 | machine_is_edb9315()) { | |
16bcf78f | 46 | ep93xx_register_flash(4, EP93XX_CS6_PHYS_BASE, SZ_32M); |
a2bd40d2 | 47 | } else { |
16bcf78f | 48 | ep93xx_register_flash(2, EP93XX_CS6_PHYS_BASE, SZ_16M); |
a2bd40d2 HS |
49 | } |
50 | } | |
51 | ||
b370e082 | 52 | static struct ep93xx_eth_data __initdata edb93xx_eth_data = { |
a2bd40d2 HS |
53 | .phy_id = 1, |
54 | }; | |
55 | ||
6531a991 HS |
56 | |
57 | /************************************************************************* | |
58 | * EDB93xx i2c peripheral handling | |
59 | *************************************************************************/ | |
6531a991 HS |
60 | |
61 | static struct i2c_board_info __initdata edb93xxa_i2c_board_info[] = { | |
a2bd40d2 HS |
62 | { |
63 | I2C_BOARD_INFO("isl1208", 0x6f), | |
64 | }, | |
65 | }; | |
66 | ||
6531a991 | 67 | static struct i2c_board_info __initdata edb93xx_i2c_board_info[] = { |
a2bd40d2 HS |
68 | { |
69 | I2C_BOARD_INFO("ds1337", 0x68), | |
70 | }, | |
71 | }; | |
72 | ||
73 | static void __init edb93xx_register_i2c(void) | |
74 | { | |
75 | if (machine_is_edb9302a() || machine_is_edb9307a() || | |
76 | machine_is_edb9315a()) { | |
b2e63555 | 77 | ep93xx_register_i2c(edb93xxa_i2c_board_info, |
6531a991 | 78 | ARRAY_SIZE(edb93xxa_i2c_board_info)); |
688df8f0 TC |
79 | } else if (machine_is_edb9302() || machine_is_edb9307() |
80 | || machine_is_edb9312() || machine_is_edb9315()) { | |
b2e63555 | 81 | ep93xx_register_i2c(edb93xx_i2c_board_info, |
6531a991 | 82 | ARRAY_SIZE(edb93xx_i2c_board_info)); |
a2bd40d2 HS |
83 | } |
84 | } | |
85 | ||
1fbd972a | 86 | |
31bb68a3 AS |
87 | /************************************************************************* |
88 | * EDB93xx SPI peripheral handling | |
89 | *************************************************************************/ | |
90 | static struct cs4271_platform_data edb93xx_cs4271_data = { | |
91 | .gpio_nreset = -EINVAL, /* filled in later */ | |
92 | }; | |
93 | ||
31bb68a3 AS |
94 | static struct spi_board_info edb93xx_spi_board_info[] __initdata = { |
95 | { | |
96 | .modalias = "cs4271", | |
97 | .platform_data = &edb93xx_cs4271_data, | |
31bb68a3 AS |
98 | .max_speed_hz = 6000000, |
99 | .bus_num = 0, | |
100 | .chip_select = 0, | |
101 | .mode = SPI_MODE_3, | |
102 | }, | |
103 | }; | |
104 | ||
1dfbf334 LW |
105 | static struct gpiod_lookup_table edb93xx_spi_cs_gpio_table = { |
106 | .dev_id = "ep93xx-spi.0", | |
107 | .table = { | |
108 | GPIO_LOOKUP("A", 6, "cs", GPIO_ACTIVE_LOW), | |
109 | { }, | |
110 | }, | |
55f0cd3f HS |
111 | }; |
112 | ||
31bb68a3 | 113 | static struct ep93xx_spi_info edb93xx_spi_info __initdata = { |
1dfbf334 | 114 | /* Intentionally left blank */ |
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 | ||
1dfbf334 | 126 | gpiod_add_lookup_table(&edb93xx_spi_cs_gpio_table); |
31bb68a3 AS |
127 | ep93xx_register_spi(&edb93xx_spi_info, edb93xx_spi_board_info, |
128 | ARRAY_SIZE(edb93xx_spi_board_info)); | |
129 | } | |
130 | ||
131 | ||
132 | /************************************************************************* | |
133 | * EDB93xx I2S | |
134 | *************************************************************************/ | |
075b20b0 MW |
135 | static struct platform_device edb93xx_audio_device = { |
136 | .name = "edb93xx-audio", | |
137 | .id = -1, | |
138 | }; | |
139 | ||
31bb68a3 AS |
140 | static int __init edb93xx_has_audio(void) |
141 | { | |
142 | return (machine_is_edb9301() || machine_is_edb9302() || | |
143 | machine_is_edb9302a() || machine_is_edb9307a() || | |
144 | machine_is_edb9315a()); | |
145 | } | |
146 | ||
147 | static void __init edb93xx_register_i2s(void) | |
148 | { | |
149 | if (edb93xx_has_audio()) { | |
150 | ep93xx_register_i2s(); | |
075b20b0 | 151 | platform_device_register(&edb93xx_audio_device); |
31bb68a3 AS |
152 | } |
153 | } | |
154 | ||
155 | ||
1fbd972a HS |
156 | /************************************************************************* |
157 | * EDB93xx pwm | |
158 | *************************************************************************/ | |
159 | static void __init edb93xx_register_pwm(void) | |
160 | { | |
161 | if (machine_is_edb9301() || | |
162 | machine_is_edb9302() || machine_is_edb9302a()) { | |
163 | /* EP9301 and EP9302 only have pwm.1 (EGPIO14) */ | |
164 | ep93xx_register_pwm(0, 1); | |
165 | } else if (machine_is_edb9307() || machine_is_edb9307a()) { | |
166 | /* EP9307 only has pwm.0 (PWMOUT) */ | |
167 | ep93xx_register_pwm(1, 0); | |
168 | } else { | |
169 | /* EP9312 and EP9315 have both */ | |
170 | ep93xx_register_pwm(1, 1); | |
171 | } | |
172 | } | |
173 | ||
174 | ||
13055192 HS |
175 | /************************************************************************* |
176 | * EDB93xx framebuffer | |
177 | *************************************************************************/ | |
178 | static struct ep93xxfb_mach_info __initdata edb93xxfb_info = { | |
13055192 HS |
179 | .flags = 0, |
180 | }; | |
181 | ||
182 | static int __init edb93xx_has_fb(void) | |
183 | { | |
184 | /* These platforms have an ep93xx with video capability */ | |
185 | return machine_is_edb9307() || machine_is_edb9307a() || | |
186 | machine_is_edb9312() || machine_is_edb9315() || | |
187 | machine_is_edb9315a(); | |
188 | } | |
189 | ||
190 | static void __init edb93xx_register_fb(void) | |
191 | { | |
192 | if (!edb93xx_has_fb()) | |
193 | return; | |
194 | ||
195 | if (machine_is_edb9307a() || machine_is_edb9315a()) | |
196 | edb93xxfb_info.flags |= EP93XXFB_USE_SDCSN0; | |
197 | else | |
198 | edb93xxfb_info.flags |= EP93XXFB_USE_SDCSN3; | |
199 | ||
200 | ep93xx_register_fb(&edb93xxfb_info); | |
201 | } | |
202 | ||
203 | ||
762be297 RP |
204 | /************************************************************************* |
205 | * EDB93xx IDE | |
206 | *************************************************************************/ | |
207 | static int __init edb93xx_has_ide(void) | |
208 | { | |
209 | /* | |
210 | * Although EDB9312 and EDB9315 do have IDE capability, they have | |
211 | * INTRQ line wired as pull-up, which makes using IDE interface | |
212 | * problematic. | |
213 | */ | |
214 | return machine_is_edb9312() || machine_is_edb9315() || | |
215 | machine_is_edb9315a(); | |
216 | } | |
217 | ||
218 | static void __init edb93xx_register_ide(void) | |
219 | { | |
220 | if (!edb93xx_has_ide()) | |
221 | return; | |
222 | ||
223 | ep93xx_register_ide(); | |
224 | } | |
225 | ||
226 | ||
a2bd40d2 HS |
227 | static void __init edb93xx_init_machine(void) |
228 | { | |
229 | ep93xx_init_devices(); | |
230 | edb93xx_register_flash(); | |
231 | ep93xx_register_eth(&edb93xx_eth_data, 1); | |
232 | edb93xx_register_i2c(); | |
31bb68a3 AS |
233 | edb93xx_register_spi(); |
234 | edb93xx_register_i2s(); | |
1fbd972a | 235 | edb93xx_register_pwm(); |
13055192 | 236 | edb93xx_register_fb(); |
762be297 | 237 | edb93xx_register_ide(); |
57f3b7c7 | 238 | ep93xx_register_adc(); |
a2bd40d2 HS |
239 | } |
240 | ||
241 | ||
242 | #ifdef CONFIG_MACH_EDB9301 | |
243 | MACHINE_START(EDB9301, "Cirrus Logic EDB9301 Evaluation Board") | |
244 | /* Maintainer: H Hartley Sweeten <hsweeten@visionengravers.com> */ | |
e562cf17 | 245 | .atag_offset = 0x100, |
a2bd40d2 HS |
246 | .map_io = ep93xx_map_io, |
247 | .init_irq = ep93xx_init_irq, | |
6bb27d73 | 248 | .init_time = ep93xx_timer_init, |
a2bd40d2 | 249 | .init_machine = edb93xx_init_machine, |
c914283f | 250 | .init_late = ep93xx_init_late, |
3275166e | 251 | .restart = ep93xx_restart, |
a2bd40d2 HS |
252 | MACHINE_END |
253 | #endif | |
254 | ||
255 | #ifdef CONFIG_MACH_EDB9302 | |
256 | MACHINE_START(EDB9302, "Cirrus Logic EDB9302 Evaluation Board") | |
257 | /* Maintainer: George Kashperko <george@chas.com.ua> */ | |
e562cf17 | 258 | .atag_offset = 0x100, |
a2bd40d2 HS |
259 | .map_io = ep93xx_map_io, |
260 | .init_irq = ep93xx_init_irq, | |
6bb27d73 | 261 | .init_time = ep93xx_timer_init, |
a2bd40d2 | 262 | .init_machine = edb93xx_init_machine, |
c914283f | 263 | .init_late = ep93xx_init_late, |
3275166e | 264 | .restart = ep93xx_restart, |
a2bd40d2 HS |
265 | MACHINE_END |
266 | #endif | |
267 | ||
268 | #ifdef CONFIG_MACH_EDB9302A | |
269 | MACHINE_START(EDB9302A, "Cirrus Logic EDB9302A Evaluation Board") | |
270 | /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */ | |
e562cf17 | 271 | .atag_offset = 0x100, |
a2bd40d2 HS |
272 | .map_io = ep93xx_map_io, |
273 | .init_irq = ep93xx_init_irq, | |
6bb27d73 | 274 | .init_time = ep93xx_timer_init, |
a2bd40d2 | 275 | .init_machine = edb93xx_init_machine, |
c914283f | 276 | .init_late = ep93xx_init_late, |
3275166e | 277 | .restart = ep93xx_restart, |
a2bd40d2 HS |
278 | MACHINE_END |
279 | #endif | |
280 | ||
281 | #ifdef CONFIG_MACH_EDB9307 | |
282 | MACHINE_START(EDB9307, "Cirrus Logic EDB9307 Evaluation Board") | |
283 | /* Maintainer: Herbert Valerio Riedel <hvr@gnu.org> */ | |
e562cf17 | 284 | .atag_offset = 0x100, |
a2bd40d2 HS |
285 | .map_io = ep93xx_map_io, |
286 | .init_irq = ep93xx_init_irq, | |
6bb27d73 | 287 | .init_time = ep93xx_timer_init, |
a2bd40d2 | 288 | .init_machine = edb93xx_init_machine, |
c914283f | 289 | .init_late = ep93xx_init_late, |
3275166e | 290 | .restart = ep93xx_restart, |
a2bd40d2 HS |
291 | MACHINE_END |
292 | #endif | |
293 | ||
294 | #ifdef CONFIG_MACH_EDB9307A | |
295 | MACHINE_START(EDB9307A, "Cirrus Logic EDB9307A Evaluation Board") | |
296 | /* Maintainer: H Hartley Sweeten <hsweeten@visionengravers.com> */ | |
e562cf17 | 297 | .atag_offset = 0x100, |
a2bd40d2 HS |
298 | .map_io = ep93xx_map_io, |
299 | .init_irq = ep93xx_init_irq, | |
6bb27d73 | 300 | .init_time = ep93xx_timer_init, |
a2bd40d2 | 301 | .init_machine = edb93xx_init_machine, |
c914283f | 302 | .init_late = ep93xx_init_late, |
3275166e | 303 | .restart = ep93xx_restart, |
a2bd40d2 HS |
304 | MACHINE_END |
305 | #endif | |
306 | ||
307 | #ifdef CONFIG_MACH_EDB9312 | |
308 | MACHINE_START(EDB9312, "Cirrus Logic EDB9312 Evaluation Board") | |
309 | /* Maintainer: Toufeeq Hussain <toufeeq_hussain@infosys.com> */ | |
e562cf17 | 310 | .atag_offset = 0x100, |
a2bd40d2 HS |
311 | .map_io = ep93xx_map_io, |
312 | .init_irq = ep93xx_init_irq, | |
6bb27d73 | 313 | .init_time = ep93xx_timer_init, |
a2bd40d2 | 314 | .init_machine = edb93xx_init_machine, |
c914283f | 315 | .init_late = ep93xx_init_late, |
3275166e | 316 | .restart = ep93xx_restart, |
a2bd40d2 HS |
317 | MACHINE_END |
318 | #endif | |
319 | ||
320 | #ifdef CONFIG_MACH_EDB9315 | |
321 | MACHINE_START(EDB9315, "Cirrus Logic EDB9315 Evaluation Board") | |
322 | /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */ | |
e562cf17 | 323 | .atag_offset = 0x100, |
a2bd40d2 HS |
324 | .map_io = ep93xx_map_io, |
325 | .init_irq = ep93xx_init_irq, | |
6bb27d73 | 326 | .init_time = ep93xx_timer_init, |
a2bd40d2 | 327 | .init_machine = edb93xx_init_machine, |
c914283f | 328 | .init_late = ep93xx_init_late, |
3275166e | 329 | .restart = ep93xx_restart, |
a2bd40d2 HS |
330 | MACHINE_END |
331 | #endif | |
332 | ||
333 | #ifdef CONFIG_MACH_EDB9315A | |
334 | MACHINE_START(EDB9315A, "Cirrus Logic EDB9315A Evaluation Board") | |
335 | /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */ | |
e562cf17 | 336 | .atag_offset = 0x100, |
a2bd40d2 HS |
337 | .map_io = ep93xx_map_io, |
338 | .init_irq = ep93xx_init_irq, | |
6bb27d73 | 339 | .init_time = ep93xx_timer_init, |
a2bd40d2 | 340 | .init_machine = edb93xx_init_machine, |
c914283f | 341 | .init_late = ep93xx_init_late, |
3275166e | 342 | .restart = ep93xx_restart, |
a2bd40d2 HS |
343 | MACHINE_END |
344 | #endif |