diff options
Diffstat (limited to 'arch/arm/mach-omap2/board-igep0020.c')
-rw-r--r-- | arch/arm/mach-omap2/board-igep0020.c | 251 |
1 files changed, 251 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/board-igep0020.c b/arch/arm/mach-omap2/board-igep0020.c new file mode 100644 index 000000000000..fa62e80c13b7 --- /dev/null +++ b/arch/arm/mach-omap2/board-igep0020.c | |||
@@ -0,0 +1,251 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2009 Integration Software and Electronic Engineering. | ||
3 | * | ||
4 | * Modified from mach-omap2/board-generic.c | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License version 2 as | ||
8 | * published by the Free Software Foundation. | ||
9 | */ | ||
10 | |||
11 | #include <linux/kernel.h> | ||
12 | #include <linux/init.h> | ||
13 | #include <linux/platform_device.h> | ||
14 | #include <linux/delay.h> | ||
15 | #include <linux/err.h> | ||
16 | #include <linux/clk.h> | ||
17 | #include <linux/io.h> | ||
18 | #include <linux/gpio.h> | ||
19 | #include <linux/interrupt.h> | ||
20 | |||
21 | #include <linux/regulator/machine.h> | ||
22 | #include <linux/i2c/twl4030.h> | ||
23 | |||
24 | #include <asm/mach-types.h> | ||
25 | #include <asm/mach/arch.h> | ||
26 | |||
27 | #include <plat/board.h> | ||
28 | #include <plat/common.h> | ||
29 | #include <plat/gpmc.h> | ||
30 | #include <plat/mux.h> | ||
31 | #include <plat/usb.h> | ||
32 | |||
33 | #include "mmc-twl4030.h" | ||
34 | |||
35 | #define IGEP2_SMSC911X_CS 5 | ||
36 | #define IGEP2_SMSC911X_GPIO 176 | ||
37 | #define IGEP2_GPIO_USBH_NRESET 24 | ||
38 | #define IGEP2_GPIO_LED0_RED 26 | ||
39 | #define IGEP2_GPIO_LED0_GREEN 27 | ||
40 | #define IGEP2_GPIO_LED1_RED 28 | ||
41 | |||
42 | #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE) | ||
43 | |||
44 | #include <linux/smsc911x.h> | ||
45 | |||
46 | static struct smsc911x_platform_config igep2_smsc911x_config = { | ||
47 | .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, | ||
48 | .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN, | ||
49 | .flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS , | ||
50 | .phy_interface = PHY_INTERFACE_MODE_MII, | ||
51 | }; | ||
52 | |||
53 | static struct resource igep2_smsc911x_resources[] = { | ||
54 | { | ||
55 | .flags = IORESOURCE_MEM, | ||
56 | }, | ||
57 | { | ||
58 | .start = OMAP_GPIO_IRQ(IGEP2_SMSC911X_GPIO), | ||
59 | .end = OMAP_GPIO_IRQ(IGEP2_SMSC911X_GPIO), | ||
60 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL, | ||
61 | }, | ||
62 | }; | ||
63 | |||
64 | static struct platform_device igep2_smsc911x_device = { | ||
65 | .name = "smsc911x", | ||
66 | .id = 0, | ||
67 | .num_resources = ARRAY_SIZE(igep2_smsc911x_resources), | ||
68 | .resource = igep2_smsc911x_resources, | ||
69 | .dev = { | ||
70 | .platform_data = &igep2_smsc911x_config, | ||
71 | }, | ||
72 | }; | ||
73 | |||
74 | static inline void __init igep2_init_smsc911x(void) | ||
75 | { | ||
76 | unsigned long cs_mem_base; | ||
77 | |||
78 | if (gpmc_cs_request(IGEP2_SMSC911X_CS, SZ_16M, &cs_mem_base) < 0) { | ||
79 | pr_err("IGEP v2: Failed request for GPMC mem for smsc911x\n"); | ||
80 | gpmc_cs_free(IGEP2_SMSC911X_CS); | ||
81 | return; | ||
82 | } | ||
83 | |||
84 | igep2_smsc911x_resources[0].start = cs_mem_base + 0x0; | ||
85 | igep2_smsc911x_resources[0].end = cs_mem_base + 0xff; | ||
86 | |||
87 | if ((gpio_request(IGEP2_SMSC911X_GPIO, "SMSC911X IRQ") == 0) && | ||
88 | (gpio_direction_input(IGEP2_SMSC911X_GPIO) == 0)) { | ||
89 | gpio_export(IGEP2_SMSC911X_GPIO, 0); | ||
90 | } else { | ||
91 | pr_err("IGEP v2: Could not obtain gpio for for SMSC911X IRQ\n"); | ||
92 | return; | ||
93 | } | ||
94 | |||
95 | platform_device_register(&igep2_smsc911x_device); | ||
96 | } | ||
97 | |||
98 | #else | ||
99 | static inline void __init igep2_init_smsc911x(void) { } | ||
100 | #endif | ||
101 | |||
102 | static struct omap_board_config_kernel igep2_config[] __initdata = { | ||
103 | }; | ||
104 | |||
105 | static struct regulator_consumer_supply igep2_vmmc1_supply = { | ||
106 | .supply = "vmmc", | ||
107 | }; | ||
108 | |||
109 | /* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */ | ||
110 | static struct regulator_init_data igep2_vmmc1 = { | ||
111 | .constraints = { | ||
112 | .min_uV = 1850000, | ||
113 | .max_uV = 3150000, | ||
114 | .valid_modes_mask = REGULATOR_MODE_NORMAL | ||
115 | | REGULATOR_MODE_STANDBY, | ||
116 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | ||
117 | | REGULATOR_CHANGE_MODE | ||
118 | | REGULATOR_CHANGE_STATUS, | ||
119 | }, | ||
120 | .num_consumer_supplies = 1, | ||
121 | .consumer_supplies = &igep2_vmmc1_supply, | ||
122 | }; | ||
123 | |||
124 | static struct twl4030_hsmmc_info mmc[] = { | ||
125 | { | ||
126 | .mmc = 1, | ||
127 | .wires = 4, | ||
128 | .gpio_cd = -EINVAL, | ||
129 | .gpio_wp = -EINVAL, | ||
130 | }, | ||
131 | { | ||
132 | .mmc = 2, | ||
133 | .wires = 4, | ||
134 | .gpio_cd = -EINVAL, | ||
135 | .gpio_wp = -EINVAL, | ||
136 | }, | ||
137 | {} /* Terminator */ | ||
138 | }; | ||
139 | |||
140 | static int igep2_twl_gpio_setup(struct device *dev, | ||
141 | unsigned gpio, unsigned ngpio) | ||
142 | { | ||
143 | /* gpio + 0 is "mmc0_cd" (input/IRQ) */ | ||
144 | mmc[0].gpio_cd = gpio + 0; | ||
145 | twl4030_mmc_init(mmc); | ||
146 | |||
147 | /* link regulators to MMC adapters ... we "know" the | ||
148 | * regulators will be set up only *after* we return. | ||
149 | */ | ||
150 | igep2_vmmc1_supply.dev = mmc[0].dev; | ||
151 | |||
152 | return 0; | ||
153 | }; | ||
154 | |||
155 | static struct twl4030_gpio_platform_data igep2_gpio_data = { | ||
156 | .gpio_base = OMAP_MAX_GPIO_LINES, | ||
157 | .irq_base = TWL4030_GPIO_IRQ_BASE, | ||
158 | .irq_end = TWL4030_GPIO_IRQ_END, | ||
159 | .use_leds = false, | ||
160 | .setup = igep2_twl_gpio_setup, | ||
161 | }; | ||
162 | |||
163 | static struct twl4030_usb_data igep2_usb_data = { | ||
164 | .usb_mode = T2_USB_MODE_ULPI, | ||
165 | }; | ||
166 | |||
167 | static void __init igep2_init_irq(void) | ||
168 | { | ||
169 | omap_board_config = igep2_config; | ||
170 | omap_board_config_size = ARRAY_SIZE(igep2_config); | ||
171 | omap2_init_common_hw(NULL, NULL); | ||
172 | omap_init_irq(); | ||
173 | omap_gpio_init(); | ||
174 | } | ||
175 | |||
176 | static struct twl4030_platform_data igep2_twldata = { | ||
177 | .irq_base = TWL4030_IRQ_BASE, | ||
178 | .irq_end = TWL4030_IRQ_END, | ||
179 | |||
180 | /* platform_data for children goes here */ | ||
181 | .usb = &igep2_usb_data, | ||
182 | .gpio = &igep2_gpio_data, | ||
183 | .vmmc1 = &igep2_vmmc1, | ||
184 | |||
185 | }; | ||
186 | |||
187 | static struct i2c_board_info __initdata igep2_i2c_boardinfo[] = { | ||
188 | { | ||
189 | I2C_BOARD_INFO("twl4030", 0x48), | ||
190 | .flags = I2C_CLIENT_WAKE, | ||
191 | .irq = INT_34XX_SYS_NIRQ, | ||
192 | .platform_data = &igep2_twldata, | ||
193 | }, | ||
194 | }; | ||
195 | |||
196 | static int __init igep2_i2c_init(void) | ||
197 | { | ||
198 | omap_register_i2c_bus(1, 2600, igep2_i2c_boardinfo, | ||
199 | ARRAY_SIZE(igep2_i2c_boardinfo)); | ||
200 | /* Bus 3 is attached to the DVI port where devices like the pico DLP | ||
201 | * projector don't work reliably with 400kHz */ | ||
202 | omap_register_i2c_bus(3, 100, NULL, 0); | ||
203 | return 0; | ||
204 | } | ||
205 | |||
206 | static void __init igep2_init(void) | ||
207 | { | ||
208 | igep2_i2c_init(); | ||
209 | omap_serial_init(); | ||
210 | usb_musb_init(); | ||
211 | |||
212 | igep2_init_smsc911x(); | ||
213 | |||
214 | /* GPIO userspace leds */ | ||
215 | if ((gpio_request(IGEP2_GPIO_LED0_RED, "GPIO_LED0_RED") == 0) && | ||
216 | (gpio_direction_output(IGEP2_GPIO_LED0_RED, 1) == 0)) { | ||
217 | gpio_export(IGEP2_GPIO_LED0_RED, 0); | ||
218 | gpio_set_value(IGEP2_GPIO_LED0_RED, 0); | ||
219 | } else | ||
220 | pr_warning("IGEP v2: Could not obtain gpio GPIO_LED0_RED\n"); | ||
221 | |||
222 | if ((gpio_request(IGEP2_GPIO_LED0_GREEN, "GPIO_LED0_GREEN") == 0) && | ||
223 | (gpio_direction_output(IGEP2_GPIO_LED0_GREEN, 1) == 0)) { | ||
224 | gpio_export(IGEP2_GPIO_LED0_GREEN, 0); | ||
225 | gpio_set_value(IGEP2_GPIO_LED0_GREEN, 0); | ||
226 | } else | ||
227 | pr_warning("IGEP v2: Could not obtain gpio GPIO_LED0_GREEN\n"); | ||
228 | |||
229 | if ((gpio_request(IGEP2_GPIO_LED1_RED, "GPIO_LED1_RED") == 0) && | ||
230 | (gpio_direction_output(IGEP2_GPIO_LED1_RED, 1) == 0)) { | ||
231 | gpio_export(IGEP2_GPIO_LED1_RED, 0); | ||
232 | gpio_set_value(IGEP2_GPIO_LED1_RED, 0); | ||
233 | } else | ||
234 | pr_warning("IGEP v2: Could not obtain gpio GPIO_LED1_RED\n"); | ||
235 | } | ||
236 | |||
237 | static void __init igep2_map_io(void) | ||
238 | { | ||
239 | omap2_set_globals_343x(); | ||
240 | omap2_map_common_io(); | ||
241 | } | ||
242 | |||
243 | MACHINE_START(IGEP0020, "IGEP v2 board") | ||
244 | .phys_io = 0x48000000, | ||
245 | .io_pg_offst = ((0xfa000000) >> 18) & 0xfffc, | ||
246 | .boot_params = 0x80000100, | ||
247 | .map_io = igep2_map_io, | ||
248 | .init_irq = igep2_init_irq, | ||
249 | .init_machine = igep2_init, | ||
250 | .timer = &omap_timer, | ||
251 | MACHINE_END | ||