2 * Copyright (C) 2009 Integration Software and Electronic Engineering.
4 * Modified from mach-omap2/board-generic.c
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.
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>
18 #include <linux/gpio.h>
19 #include <linux/interrupt.h>
21 #include <linux/regulator/machine.h>
22 #include <linux/i2c/twl.h>
24 #include <asm/mach-types.h>
25 #include <asm/mach/arch.h>
27 #include <plat/board.h>
28 #include <plat/common.h>
29 #include <plat/gpmc.h>
31 #include <plat/display.h>
36 #define IGEP2_SMSC911X_CS 5
37 #define IGEP2_SMSC911X_GPIO 176
38 #define IGEP2_GPIO_USBH_NRESET 24
39 #define IGEP2_GPIO_LED0_RED 26
40 #define IGEP2_GPIO_LED0_GREEN 27
41 #define IGEP2_GPIO_LED1_RED 28
42 #define IGEP2_GPIO_DVI_PUP 170
44 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
46 #include <linux/smsc911x.h>
48 static struct smsc911x_platform_config igep2_smsc911x_config = {
49 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
50 .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
51 .flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS ,
52 .phy_interface = PHY_INTERFACE_MODE_MII,
55 static struct resource igep2_smsc911x_resources[] = {
57 .flags = IORESOURCE_MEM,
60 .start = OMAP_GPIO_IRQ(IGEP2_SMSC911X_GPIO),
61 .end = OMAP_GPIO_IRQ(IGEP2_SMSC911X_GPIO),
62 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
66 static struct platform_device igep2_smsc911x_device = {
69 .num_resources = ARRAY_SIZE(igep2_smsc911x_resources),
70 .resource = igep2_smsc911x_resources,
72 .platform_data = &igep2_smsc911x_config,
76 static inline void __init igep2_init_smsc911x(void)
78 unsigned long cs_mem_base;
80 if (gpmc_cs_request(IGEP2_SMSC911X_CS, SZ_16M, &cs_mem_base) < 0) {
81 pr_err("IGEP v2: Failed request for GPMC mem for smsc911x\n");
82 gpmc_cs_free(IGEP2_SMSC911X_CS);
86 igep2_smsc911x_resources[0].start = cs_mem_base + 0x0;
87 igep2_smsc911x_resources[0].end = cs_mem_base + 0xff;
89 if ((gpio_request(IGEP2_SMSC911X_GPIO, "SMSC911X IRQ") == 0) &&
90 (gpio_direction_input(IGEP2_SMSC911X_GPIO) == 0)) {
91 gpio_export(IGEP2_SMSC911X_GPIO, 0);
93 pr_err("IGEP v2: Could not obtain gpio for for SMSC911X IRQ\n");
97 platform_device_register(&igep2_smsc911x_device);
101 static inline void __init igep2_init_smsc911x(void) { }
104 static struct omap_board_config_kernel igep2_config[] __initdata = {
107 static struct regulator_consumer_supply igep2_vmmc1_supply = {
111 /* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
112 static struct regulator_init_data igep2_vmmc1 = {
116 .valid_modes_mask = REGULATOR_MODE_NORMAL
117 | REGULATOR_MODE_STANDBY,
118 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
119 | REGULATOR_CHANGE_MODE
120 | REGULATOR_CHANGE_STATUS,
122 .num_consumer_supplies = 1,
123 .consumer_supplies = &igep2_vmmc1_supply,
126 static struct omap2_hsmmc_info mmc[] = {
142 static int igep2_twl_gpio_setup(struct device *dev,
143 unsigned gpio, unsigned ngpio)
145 /* gpio + 0 is "mmc0_cd" (input/IRQ) */
146 mmc[0].gpio_cd = gpio + 0;
147 omap2_hsmmc_init(mmc);
149 /* link regulators to MMC adapters ... we "know" the
150 * regulators will be set up only *after* we return.
152 igep2_vmmc1_supply.dev = mmc[0].dev;
157 static struct twl4030_gpio_platform_data igep2_gpio_data = {
158 .gpio_base = OMAP_MAX_GPIO_LINES,
159 .irq_base = TWL4030_GPIO_IRQ_BASE,
160 .irq_end = TWL4030_GPIO_IRQ_END,
162 .setup = igep2_twl_gpio_setup,
165 static struct twl4030_usb_data igep2_usb_data = {
166 .usb_mode = T2_USB_MODE_ULPI,
169 static int igep2_enable_dvi(struct omap_dss_device *dssdev)
171 gpio_direction_output(IGEP2_GPIO_DVI_PUP, 1);
176 static void igep2_disable_dvi(struct omap_dss_device *dssdev)
178 gpio_direction_output(IGEP2_GPIO_DVI_PUP, 0);
181 static struct omap_dss_device igep2_dvi_device = {
182 .type = OMAP_DISPLAY_TYPE_DPI,
184 .driver_name = "generic_panel",
185 .phy.dpi.data_lines = 24,
186 .platform_enable = igep2_enable_dvi,
187 .platform_disable = igep2_disable_dvi,
190 static struct omap_dss_device *igep2_dss_devices[] = {
194 static struct omap_dss_board_info igep2_dss_data = {
195 .num_devices = ARRAY_SIZE(igep2_dss_devices),
196 .devices = igep2_dss_devices,
197 .default_device = &igep2_dvi_device,
200 static struct platform_device igep2_dss_device = {
204 .platform_data = &igep2_dss_data,
208 static struct regulator_consumer_supply igep2_vpll2_supply = {
209 .supply = "vdds_dsi",
210 .dev = &igep2_dss_device.dev,
213 static struct regulator_init_data igep2_vpll2 = {
219 .valid_modes_mask = REGULATOR_MODE_NORMAL
220 | REGULATOR_MODE_STANDBY,
221 .valid_ops_mask = REGULATOR_CHANGE_MODE
222 | REGULATOR_CHANGE_STATUS,
224 .num_consumer_supplies = 1,
225 .consumer_supplies = &igep2_vpll2_supply,
228 static void __init igep2_display_init(void)
230 if (gpio_request(IGEP2_GPIO_DVI_PUP, "GPIO_DVI_PUP") &&
231 gpio_direction_output(IGEP2_GPIO_DVI_PUP, 1))
232 pr_err("IGEP v2: Could not obtain gpio GPIO_DVI_PUP\n");
235 static struct platform_device *igep2_devices[] __initdata = {
239 static void __init igep2_init_irq(void)
241 omap_board_config = igep2_config;
242 omap_board_config_size = ARRAY_SIZE(igep2_config);
243 omap2_init_common_hw(NULL, NULL);
248 static struct twl4030_codec_audio_data igep2_audio_data = {
249 .audio_mclk = 26000000,
252 static struct twl4030_codec_data igep2_codec_data = {
253 .audio_mclk = 26000000,
254 .audio = &igep2_audio_data,
257 static struct twl4030_platform_data igep2_twldata = {
258 .irq_base = TWL4030_IRQ_BASE,
259 .irq_end = TWL4030_IRQ_END,
261 /* platform_data for children goes here */
262 .usb = &igep2_usb_data,
263 .codec = &igep2_codec_data,
264 .gpio = &igep2_gpio_data,
265 .vmmc1 = &igep2_vmmc1,
266 .vpll2 = &igep2_vpll2,
270 static struct i2c_board_info __initdata igep2_i2c_boardinfo[] = {
272 I2C_BOARD_INFO("twl4030", 0x48),
273 .flags = I2C_CLIENT_WAKE,
274 .irq = INT_34XX_SYS_NIRQ,
275 .platform_data = &igep2_twldata,
279 static int __init igep2_i2c_init(void)
281 omap_register_i2c_bus(1, 2600, igep2_i2c_boardinfo,
282 ARRAY_SIZE(igep2_i2c_boardinfo));
283 /* Bus 3 is attached to the DVI port where devices like the pico DLP
284 * projector don't work reliably with 400kHz */
285 omap_register_i2c_bus(3, 100, NULL, 0);
289 static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
290 .port_mode[0] = EHCI_HCD_OMAP_MODE_UNKNOWN,
291 .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
292 .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
295 .reset_gpio_port[0] = -EINVAL,
296 .reset_gpio_port[1] = IGEP2_GPIO_USBH_NRESET,
297 .reset_gpio_port[2] = -EINVAL,
300 #ifdef CONFIG_OMAP_MUX
301 static struct omap_board_mux board_mux[] __initdata = {
302 { .reg_offset = OMAP_MUX_TERMINATOR },
305 #define board_mux NULL
308 static void __init igep2_init(void)
310 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
312 platform_add_devices(igep2_devices, ARRAY_SIZE(igep2_devices));
315 usb_ehci_init(&ehci_pdata);
317 igep2_display_init();
318 igep2_init_smsc911x();
320 /* GPIO userspace leds */
321 if ((gpio_request(IGEP2_GPIO_LED0_RED, "GPIO_LED0_RED") == 0) &&
322 (gpio_direction_output(IGEP2_GPIO_LED0_RED, 1) == 0)) {
323 gpio_export(IGEP2_GPIO_LED0_RED, 0);
324 gpio_set_value(IGEP2_GPIO_LED0_RED, 0);
326 pr_warning("IGEP v2: Could not obtain gpio GPIO_LED0_RED\n");
328 if ((gpio_request(IGEP2_GPIO_LED0_GREEN, "GPIO_LED0_GREEN") == 0) &&
329 (gpio_direction_output(IGEP2_GPIO_LED0_GREEN, 1) == 0)) {
330 gpio_export(IGEP2_GPIO_LED0_GREEN, 0);
331 gpio_set_value(IGEP2_GPIO_LED0_GREEN, 0);
333 pr_warning("IGEP v2: Could not obtain gpio GPIO_LED0_GREEN\n");
335 if ((gpio_request(IGEP2_GPIO_LED1_RED, "GPIO_LED1_RED") == 0) &&
336 (gpio_direction_output(IGEP2_GPIO_LED1_RED, 1) == 0)) {
337 gpio_export(IGEP2_GPIO_LED1_RED, 0);
338 gpio_set_value(IGEP2_GPIO_LED1_RED, 0);
340 pr_warning("IGEP v2: Could not obtain gpio GPIO_LED1_RED\n");
343 static void __init igep2_map_io(void)
345 omap2_set_globals_343x();
346 omap34xx_map_common_io();
349 MACHINE_START(IGEP0020, "IGEP v2 board")
350 .phys_io = 0x48000000,
351 .io_pg_offst = ((0xfa000000) >> 18) & 0xfffc,
352 .boot_params = 0x80000100,
353 .map_io = igep2_map_io,
354 .init_irq = igep2_init_irq,
355 .init_machine = igep2_init,
356 .timer = &omap_timer,