arm: tegra: Console suspend for all boards
[linux-2.6.git] / arch / arm / mach-ep93xx / edb93xx.c
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>
29 #include <linux/platform_device.h>
30 #include <linux/gpio.h>
31 #include <linux/i2c.h>
32 #include <linux/i2c-gpio.h>
33 #include <linux/spi/spi.h>
34
35 #include <sound/cs4271.h>
36
37 #include <mach/hardware.h>
38 #include <mach/fb.h>
39 #include <mach/ep93xx_spi.h>
40
41 #include <asm/mach-types.h>
42 #include <asm/mach/arch.h>
43
44
45 static void __init edb93xx_register_flash(void)
46 {
47         if (machine_is_edb9307() || machine_is_edb9312() ||
48             machine_is_edb9315()) {
49                 ep93xx_register_flash(4, EP93XX_CS6_PHYS_BASE, SZ_32M);
50         } else {
51                 ep93xx_register_flash(2, EP93XX_CS6_PHYS_BASE, SZ_16M);
52         }
53 }
54
55 static struct ep93xx_eth_data __initdata edb93xx_eth_data = {
56         .phy_id         = 1,
57 };
58
59
60 /*************************************************************************
61  * EDB93xx i2c peripheral handling
62  *************************************************************************/
63 static struct i2c_gpio_platform_data __initdata edb93xx_i2c_gpio_data = {
64         .sda_pin                = EP93XX_GPIO_LINE_EEDAT,
65         .sda_is_open_drain      = 0,
66         .scl_pin                = EP93XX_GPIO_LINE_EECLK,
67         .scl_is_open_drain      = 0,
68         .udelay                 = 0,    /* default to 100 kHz */
69         .timeout                = 0,    /* default to 100 ms */
70 };
71
72 static struct i2c_board_info __initdata edb93xxa_i2c_board_info[] = {
73         {
74                 I2C_BOARD_INFO("isl1208", 0x6f),
75         },
76 };
77
78 static struct i2c_board_info __initdata edb93xx_i2c_board_info[] = {
79         {
80                 I2C_BOARD_INFO("ds1337", 0x68),
81         },
82 };
83
84 static void __init edb93xx_register_i2c(void)
85 {
86         if (machine_is_edb9302a() || machine_is_edb9307a() ||
87             machine_is_edb9315a()) {
88                 ep93xx_register_i2c(&edb93xx_i2c_gpio_data,
89                                     edb93xxa_i2c_board_info,
90                                     ARRAY_SIZE(edb93xxa_i2c_board_info));
91         } else if (machine_is_edb9307() || machine_is_edb9312() ||
92                    machine_is_edb9315()) {
93                 ep93xx_register_i2c(&edb93xx_i2c_gpio_data,
94                                     edb93xx_i2c_board_info,
95                                     ARRAY_SIZE(edb93xx_i2c_board_info));
96         }
97 }
98
99
100 /*************************************************************************
101  * EDB93xx SPI peripheral handling
102  *************************************************************************/
103 static struct cs4271_platform_data edb93xx_cs4271_data = {
104         .gpio_nreset    = -EINVAL,      /* filled in later */
105 };
106
107 static int edb93xx_cs4271_hw_setup(struct spi_device *spi)
108 {
109         return gpio_request_one(EP93XX_GPIO_LINE_EGPIO6,
110                                 GPIOF_OUT_INIT_HIGH, spi->modalias);
111 }
112
113 static void edb93xx_cs4271_hw_cleanup(struct spi_device *spi)
114 {
115         gpio_free(EP93XX_GPIO_LINE_EGPIO6);
116 }
117
118 static void edb93xx_cs4271_hw_cs_control(struct spi_device *spi, int value)
119 {
120         gpio_set_value(EP93XX_GPIO_LINE_EGPIO6, value);
121 }
122
123 static struct ep93xx_spi_chip_ops edb93xx_cs4271_hw = {
124         .setup          = edb93xx_cs4271_hw_setup,
125         .cleanup        = edb93xx_cs4271_hw_cleanup,
126         .cs_control     = edb93xx_cs4271_hw_cs_control,
127 };
128
129 static struct spi_board_info edb93xx_spi_board_info[] __initdata = {
130         {
131                 .modalias               = "cs4271",
132                 .platform_data          = &edb93xx_cs4271_data,
133                 .controller_data        = &edb93xx_cs4271_hw,
134                 .max_speed_hz           = 6000000,
135                 .bus_num                = 0,
136                 .chip_select            = 0,
137                 .mode                   = SPI_MODE_3,
138         },
139 };
140
141 static struct ep93xx_spi_info edb93xx_spi_info __initdata = {
142         .num_chipselect = ARRAY_SIZE(edb93xx_spi_board_info),
143 };
144
145 static void __init edb93xx_register_spi(void)
146 {
147         if (machine_is_edb9301() || machine_is_edb9302())
148                 edb93xx_cs4271_data.gpio_nreset = EP93XX_GPIO_LINE_EGPIO1;
149         else if (machine_is_edb9302a() || machine_is_edb9307a())
150                 edb93xx_cs4271_data.gpio_nreset = EP93XX_GPIO_LINE_H(2);
151         else if (machine_is_edb9315a())
152                 edb93xx_cs4271_data.gpio_nreset = EP93XX_GPIO_LINE_EGPIO14;
153
154         ep93xx_register_spi(&edb93xx_spi_info, edb93xx_spi_board_info,
155                             ARRAY_SIZE(edb93xx_spi_board_info));
156 }
157
158
159 /*************************************************************************
160  * EDB93xx I2S
161  *************************************************************************/
162 static int __init edb93xx_has_audio(void)
163 {
164         return (machine_is_edb9301() || machine_is_edb9302() ||
165                 machine_is_edb9302a() || machine_is_edb9307a() ||
166                 machine_is_edb9315a());
167 }
168
169 static void __init edb93xx_register_i2s(void)
170 {
171         if (edb93xx_has_audio()) {
172                 ep93xx_register_i2s();
173         }
174 }
175
176
177 /*************************************************************************
178  * EDB93xx pwm
179  *************************************************************************/
180 static void __init edb93xx_register_pwm(void)
181 {
182         if (machine_is_edb9301() ||
183             machine_is_edb9302() || machine_is_edb9302a()) {
184                 /* EP9301 and EP9302 only have pwm.1 (EGPIO14) */
185                 ep93xx_register_pwm(0, 1);
186         } else if (machine_is_edb9307() || machine_is_edb9307a()) {
187                 /* EP9307 only has pwm.0 (PWMOUT) */
188                 ep93xx_register_pwm(1, 0);
189         } else {
190                 /* EP9312 and EP9315 have both */
191                 ep93xx_register_pwm(1, 1);
192         }
193 }
194
195
196 /*************************************************************************
197  * EDB93xx framebuffer
198  *************************************************************************/
199 static struct ep93xxfb_mach_info __initdata edb93xxfb_info = {
200         .num_modes      = EP93XXFB_USE_MODEDB,
201         .bpp            = 16,
202         .flags          = 0,
203 };
204
205 static int __init edb93xx_has_fb(void)
206 {
207         /* These platforms have an ep93xx with video capability */
208         return machine_is_edb9307() || machine_is_edb9307a() ||
209                machine_is_edb9312() || machine_is_edb9315() ||
210                machine_is_edb9315a();
211 }
212
213 static void __init edb93xx_register_fb(void)
214 {
215         if (!edb93xx_has_fb())
216                 return;
217
218         if (machine_is_edb9307a() || machine_is_edb9315a())
219                 edb93xxfb_info.flags |= EP93XXFB_USE_SDCSN0;
220         else
221                 edb93xxfb_info.flags |= EP93XXFB_USE_SDCSN3;
222
223         ep93xx_register_fb(&edb93xxfb_info);
224 }
225
226
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();
233         edb93xx_register_spi();
234         edb93xx_register_i2s();
235         edb93xx_register_pwm();
236         edb93xx_register_fb();
237 }
238
239
240 #ifdef CONFIG_MACH_EDB9301
241 MACHINE_START(EDB9301, "Cirrus Logic EDB9301 Evaluation Board")
242         /* Maintainer: H Hartley Sweeten <hsweeten@visionengravers.com> */
243         .boot_params    = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
244         .map_io         = ep93xx_map_io,
245         .init_irq       = ep93xx_init_irq,
246         .timer          = &ep93xx_timer,
247         .init_machine   = edb93xx_init_machine,
248 MACHINE_END
249 #endif
250
251 #ifdef CONFIG_MACH_EDB9302
252 MACHINE_START(EDB9302, "Cirrus Logic EDB9302 Evaluation Board")
253         /* Maintainer: George Kashperko <george@chas.com.ua> */
254         .boot_params    = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
255         .map_io         = ep93xx_map_io,
256         .init_irq       = ep93xx_init_irq,
257         .timer          = &ep93xx_timer,
258         .init_machine   = edb93xx_init_machine,
259 MACHINE_END
260 #endif
261
262 #ifdef CONFIG_MACH_EDB9302A
263 MACHINE_START(EDB9302A, "Cirrus Logic EDB9302A Evaluation Board")
264         /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
265         .boot_params    = EP93XX_SDCE0_PHYS_BASE + 0x100,
266         .map_io         = ep93xx_map_io,
267         .init_irq       = ep93xx_init_irq,
268         .timer          = &ep93xx_timer,
269         .init_machine   = edb93xx_init_machine,
270 MACHINE_END
271 #endif
272
273 #ifdef CONFIG_MACH_EDB9307
274 MACHINE_START(EDB9307, "Cirrus Logic EDB9307 Evaluation Board")
275         /* Maintainer: Herbert Valerio Riedel <hvr@gnu.org> */
276         .boot_params    = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
277         .map_io         = ep93xx_map_io,
278         .init_irq       = ep93xx_init_irq,
279         .timer          = &ep93xx_timer,
280         .init_machine   = edb93xx_init_machine,
281 MACHINE_END
282 #endif
283
284 #ifdef CONFIG_MACH_EDB9307A
285 MACHINE_START(EDB9307A, "Cirrus Logic EDB9307A Evaluation Board")
286         /* Maintainer: H Hartley Sweeten <hsweeten@visionengravers.com> */
287         .boot_params    = EP93XX_SDCE0_PHYS_BASE + 0x100,
288         .map_io         = ep93xx_map_io,
289         .init_irq       = ep93xx_init_irq,
290         .timer          = &ep93xx_timer,
291         .init_machine   = edb93xx_init_machine,
292 MACHINE_END
293 #endif
294
295 #ifdef CONFIG_MACH_EDB9312
296 MACHINE_START(EDB9312, "Cirrus Logic EDB9312 Evaluation Board")
297         /* Maintainer: Toufeeq Hussain <toufeeq_hussain@infosys.com> */
298         .boot_params    = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
299         .map_io         = ep93xx_map_io,
300         .init_irq       = ep93xx_init_irq,
301         .timer          = &ep93xx_timer,
302         .init_machine   = edb93xx_init_machine,
303 MACHINE_END
304 #endif
305
306 #ifdef CONFIG_MACH_EDB9315
307 MACHINE_START(EDB9315, "Cirrus Logic EDB9315 Evaluation Board")
308         /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
309         .boot_params    = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
310         .map_io         = ep93xx_map_io,
311         .init_irq       = ep93xx_init_irq,
312         .timer          = &ep93xx_timer,
313         .init_machine   = edb93xx_init_machine,
314 MACHINE_END
315 #endif
316
317 #ifdef CONFIG_MACH_EDB9315A
318 MACHINE_START(EDB9315A, "Cirrus Logic EDB9315A Evaluation Board")
319         /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
320         .boot_params    = EP93XX_SDCE0_PHYS_BASE + 0x100,
321         .map_io         = ep93xx_map_io,
322         .init_irq       = ep93xx_init_irq,
323         .timer          = &ep93xx_timer,
324         .init_machine   = edb93xx_init_machine,
325 MACHINE_END
326 #endif