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-rw-r--r--arch/arm/mach-omap2/board-igep0020.c251
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
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+++ b/arch/arm/mach-omap2/board-igep0020.c
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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
46static 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
53static 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
64static 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
74static 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
99static inline void __init igep2_init_smsc911x(void) { }
100#endif
101
102static struct omap_board_config_kernel igep2_config[] __initdata = {
103};
104
105static struct regulator_consumer_supply igep2_vmmc1_supply = {
106 .supply = "vmmc",
107};
108
109/* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
110static 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
124static 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
140static 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
155static 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
163static struct twl4030_usb_data igep2_usb_data = {
164 .usb_mode = T2_USB_MODE_ULPI,
165};
166
167static 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
176static 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
187static 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
196static 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
206static 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
237static void __init igep2_map_io(void)
238{
239 omap2_set_globals_343x();
240 omap2_map_common_io();
241}
242
243MACHINE_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,
251MACHINE_END