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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> |
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30 | #include <linux/gpio.h> |
31 | #include <linux/i2c.h> | |
32 | #include <linux/i2c-gpio.h> | |
583ddafe | 33 | |
a2bd40d2 | 34 | #include <mach/hardware.h> |
583ddafe | 35 | |
a2bd40d2 HS |
36 | #include <asm/mach-types.h> |
37 | #include <asm/mach/arch.h> | |
38 | ||
583ddafe | 39 | |
a2bd40d2 HS |
40 | static void __init edb93xx_register_flash(void) |
41 | { | |
42 | if (machine_is_edb9307() || machine_is_edb9312() || | |
43 | machine_is_edb9315()) { | |
16bcf78f | 44 | ep93xx_register_flash(4, EP93XX_CS6_PHYS_BASE, SZ_32M); |
a2bd40d2 | 45 | } else { |
16bcf78f | 46 | ep93xx_register_flash(2, EP93XX_CS6_PHYS_BASE, SZ_16M); |
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47 | } |
48 | } | |
49 | ||
b370e082 | 50 | static struct ep93xx_eth_data __initdata edb93xx_eth_data = { |
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51 | .phy_id = 1, |
52 | }; | |
53 | ||
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54 | |
55 | /************************************************************************* | |
56 | * EDB93xx i2c peripheral handling | |
57 | *************************************************************************/ | |
b370e082 | 58 | static struct i2c_gpio_platform_data __initdata edb93xx_i2c_gpio_data = { |
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59 | .sda_pin = EP93XX_GPIO_LINE_EEDAT, |
60 | .sda_is_open_drain = 0, | |
61 | .scl_pin = EP93XX_GPIO_LINE_EECLK, | |
62 | .scl_is_open_drain = 0, | |
63 | .udelay = 0, /* default to 100 kHz */ | |
64 | .timeout = 0, /* default to 100 ms */ | |
65 | }; | |
66 | ||
67 | static struct i2c_board_info __initdata edb93xxa_i2c_board_info[] = { | |
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68 | { |
69 | I2C_BOARD_INFO("isl1208", 0x6f), | |
70 | }, | |
71 | }; | |
72 | ||
6531a991 | 73 | static struct i2c_board_info __initdata edb93xx_i2c_board_info[] = { |
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74 | { |
75 | I2C_BOARD_INFO("ds1337", 0x68), | |
76 | }, | |
77 | }; | |
78 | ||
79 | static void __init edb93xx_register_i2c(void) | |
80 | { | |
81 | if (machine_is_edb9302a() || machine_is_edb9307a() || | |
82 | machine_is_edb9315a()) { | |
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83 | ep93xx_register_i2c(&edb93xx_i2c_gpio_data, |
84 | edb93xxa_i2c_board_info, | |
85 | ARRAY_SIZE(edb93xxa_i2c_board_info)); | |
a2bd40d2 HS |
86 | } else if (machine_is_edb9307() || machine_is_edb9312() || |
87 | machine_is_edb9315()) { | |
3d977c01 | 88 | ep93xx_register_i2c(&edb93xx_i2c_gpio_data, |
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89 | edb93xx_i2c_board_info, |
90 | ARRAY_SIZE(edb93xx_i2c_board_info)); | |
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91 | } |
92 | } | |
93 | ||
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94 | |
95 | /************************************************************************* | |
96 | * EDB93xx pwm | |
97 | *************************************************************************/ | |
98 | static void __init edb93xx_register_pwm(void) | |
99 | { | |
100 | if (machine_is_edb9301() || | |
101 | machine_is_edb9302() || machine_is_edb9302a()) { | |
102 | /* EP9301 and EP9302 only have pwm.1 (EGPIO14) */ | |
103 | ep93xx_register_pwm(0, 1); | |
104 | } else if (machine_is_edb9307() || machine_is_edb9307a()) { | |
105 | /* EP9307 only has pwm.0 (PWMOUT) */ | |
106 | ep93xx_register_pwm(1, 0); | |
107 | } else { | |
108 | /* EP9312 and EP9315 have both */ | |
109 | ep93xx_register_pwm(1, 1); | |
110 | } | |
111 | } | |
112 | ||
113 | ||
a2bd40d2 HS |
114 | static void __init edb93xx_init_machine(void) |
115 | { | |
116 | ep93xx_init_devices(); | |
117 | edb93xx_register_flash(); | |
118 | ep93xx_register_eth(&edb93xx_eth_data, 1); | |
119 | edb93xx_register_i2c(); | |
1fbd972a | 120 | edb93xx_register_pwm(); |
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121 | } |
122 | ||
123 | ||
124 | #ifdef CONFIG_MACH_EDB9301 | |
125 | MACHINE_START(EDB9301, "Cirrus Logic EDB9301 Evaluation Board") | |
126 | /* Maintainer: H Hartley Sweeten <hsweeten@visionengravers.com> */ | |
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127 | .boot_params = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100, |
128 | .map_io = ep93xx_map_io, | |
129 | .init_irq = ep93xx_init_irq, | |
130 | .timer = &ep93xx_timer, | |
131 | .init_machine = edb93xx_init_machine, | |
132 | MACHINE_END | |
133 | #endif | |
134 | ||
135 | #ifdef CONFIG_MACH_EDB9302 | |
136 | MACHINE_START(EDB9302, "Cirrus Logic EDB9302 Evaluation Board") | |
137 | /* Maintainer: George Kashperko <george@chas.com.ua> */ | |
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138 | .boot_params = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100, |
139 | .map_io = ep93xx_map_io, | |
140 | .init_irq = ep93xx_init_irq, | |
141 | .timer = &ep93xx_timer, | |
142 | .init_machine = edb93xx_init_machine, | |
143 | MACHINE_END | |
144 | #endif | |
145 | ||
146 | #ifdef CONFIG_MACH_EDB9302A | |
147 | MACHINE_START(EDB9302A, "Cirrus Logic EDB9302A Evaluation Board") | |
148 | /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */ | |
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149 | .boot_params = EP93XX_SDCE0_PHYS_BASE + 0x100, |
150 | .map_io = ep93xx_map_io, | |
151 | .init_irq = ep93xx_init_irq, | |
152 | .timer = &ep93xx_timer, | |
153 | .init_machine = edb93xx_init_machine, | |
154 | MACHINE_END | |
155 | #endif | |
156 | ||
157 | #ifdef CONFIG_MACH_EDB9307 | |
158 | MACHINE_START(EDB9307, "Cirrus Logic EDB9307 Evaluation Board") | |
159 | /* Maintainer: Herbert Valerio Riedel <hvr@gnu.org> */ | |
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160 | .boot_params = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100, |
161 | .map_io = ep93xx_map_io, | |
162 | .init_irq = ep93xx_init_irq, | |
163 | .timer = &ep93xx_timer, | |
164 | .init_machine = edb93xx_init_machine, | |
165 | MACHINE_END | |
166 | #endif | |
167 | ||
168 | #ifdef CONFIG_MACH_EDB9307A | |
169 | MACHINE_START(EDB9307A, "Cirrus Logic EDB9307A Evaluation Board") | |
170 | /* Maintainer: H Hartley Sweeten <hsweeten@visionengravers.com> */ | |
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171 | .boot_params = EP93XX_SDCE0_PHYS_BASE + 0x100, |
172 | .map_io = ep93xx_map_io, | |
173 | .init_irq = ep93xx_init_irq, | |
174 | .timer = &ep93xx_timer, | |
175 | .init_machine = edb93xx_init_machine, | |
176 | MACHINE_END | |
177 | #endif | |
178 | ||
179 | #ifdef CONFIG_MACH_EDB9312 | |
180 | MACHINE_START(EDB9312, "Cirrus Logic EDB9312 Evaluation Board") | |
181 | /* Maintainer: Toufeeq Hussain <toufeeq_hussain@infosys.com> */ | |
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182 | .boot_params = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100, |
183 | .map_io = ep93xx_map_io, | |
184 | .init_irq = ep93xx_init_irq, | |
185 | .timer = &ep93xx_timer, | |
186 | .init_machine = edb93xx_init_machine, | |
187 | MACHINE_END | |
188 | #endif | |
189 | ||
190 | #ifdef CONFIG_MACH_EDB9315 | |
191 | MACHINE_START(EDB9315, "Cirrus Logic EDB9315 Evaluation Board") | |
192 | /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */ | |
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193 | .boot_params = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100, |
194 | .map_io = ep93xx_map_io, | |
195 | .init_irq = ep93xx_init_irq, | |
196 | .timer = &ep93xx_timer, | |
197 | .init_machine = edb93xx_init_machine, | |
198 | MACHINE_END | |
199 | #endif | |
200 | ||
201 | #ifdef CONFIG_MACH_EDB9315A | |
202 | MACHINE_START(EDB9315A, "Cirrus Logic EDB9315A Evaluation Board") | |
203 | /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */ | |
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204 | .boot_params = EP93XX_SDCE0_PHYS_BASE + 0x100, |
205 | .map_io = ep93xx_map_io, | |
206 | .init_irq = ep93xx_init_irq, | |
207 | .timer = &ep93xx_timer, | |
208 | .init_machine = edb93xx_init_machine, | |
209 | MACHINE_END | |
210 | #endif |