2 * Board support file for OMAP4430 based PandaBoard.
4 * Copyright (C) 2010 Texas Instruments
6 * Author: David Anders <x0132446@ti.com>
8 * Based on mach-omap2/board-4430sdp.c
10 * Author: Santosh Shilimkar <santosh.shilimkar@ti.com>
12 * Based on mach-omap2/board-3430sdp.c
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License version 2 as
16 * published by the Free Software Foundation.
19 #include <linux/kernel.h>
20 #include <linux/init.h>
21 #include <linux/platform_device.h>
23 #include <linux/leds.h>
24 #include <linux/gpio.h>
25 #include <linux/usb/otg.h>
26 #include <linux/i2c/twl.h>
27 #include <linux/regulator/machine.h>
29 #include <mach/hardware.h>
30 #include <mach/omap4-common.h>
31 #include <asm/mach-types.h>
32 #include <asm/mach/arch.h>
33 #include <asm/mach/map.h>
35 #include <plat/board.h>
36 #include <plat/common.h>
44 #define GPIO_HUB_POWER 1
45 #define GPIO_HUB_NRESET 62
47 static struct gpio_led gpio_leds[] = {
49 .name = "pandaboard::status1",
50 .default_trigger = "heartbeat",
54 .name = "pandaboard::status2",
55 .default_trigger = "mmc0",
60 static struct gpio_led_platform_data gpio_led_info = {
62 .num_leds = ARRAY_SIZE(gpio_leds),
65 static struct platform_device leds_gpio = {
69 .platform_data = &gpio_led_info,
73 static struct platform_device *panda_devices[] __initdata = {
77 static void __init omap4_panda_init_irq(void)
79 omap2_init_common_hw(NULL, NULL);
84 static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
85 .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
86 .port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN,
87 .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
89 .reset_gpio_port[0] = -EINVAL,
90 .reset_gpio_port[1] = -EINVAL,
91 .reset_gpio_port[2] = -EINVAL
94 static void __init omap4_ehci_init(void)
99 /* disable the power to the usb hub prior to init */
100 ret = gpio_request(GPIO_HUB_POWER, "hub_power");
102 pr_err("Cannot request GPIO %d\n", GPIO_HUB_POWER);
105 gpio_export(GPIO_HUB_POWER, 0);
106 gpio_direction_output(GPIO_HUB_POWER, 0);
107 gpio_set_value(GPIO_HUB_POWER, 0);
110 ret = gpio_request(GPIO_HUB_NRESET, "hub_nreset");
112 pr_err("Cannot request GPIO %d\n", GPIO_HUB_NRESET);
115 gpio_export(GPIO_HUB_NRESET, 0);
116 gpio_direction_output(GPIO_HUB_NRESET, 0);
117 gpio_set_value(GPIO_HUB_NRESET, 0);
118 gpio_set_value(GPIO_HUB_NRESET, 1);
120 usb_ehci_init(&ehci_pdata);
122 /* enable power to hub */
123 gpio_set_value(GPIO_HUB_POWER, 1);
127 gpio_free(GPIO_HUB_POWER);
129 pr_err("Unable to initialize EHCI power/reset\n");
134 static struct omap_musb_board_data musb_board_data = {
135 .interface_type = MUSB_INTERFACE_UTMI,
136 .mode = MUSB_PERIPHERAL,
140 static struct omap2_hsmmc_info mmc[] = {
143 .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
149 static struct regulator_consumer_supply omap4_panda_vmmc_supply[] = {
152 .dev_name = "mmci-omap-hs.0",
156 static int omap4_twl6030_hsmmc_late_init(struct device *dev)
159 struct platform_device *pdev = container_of(dev,
160 struct platform_device, dev);
161 struct omap_mmc_platform_data *pdata = dev->platform_data;
163 /* Setting MMC1 Card detect Irq */
165 pdata->slots[0].card_detect_irq = TWL6030_IRQ_BASE +
166 MMCDETECT_INTR_OFFSET;
170 static __init void omap4_twl6030_hsmmc_set_late_init(struct device *dev)
172 struct omap_mmc_platform_data *pdata;
174 /* dev can be null if CONFIG_MMC_OMAP_HS is not set */
176 pr_err("Failed omap4_twl6030_hsmmc_set_late_init\n");
179 pdata = dev->platform_data;
181 pdata->init = omap4_twl6030_hsmmc_late_init;
184 static int __init omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers)
186 struct omap2_hsmmc_info *c;
188 omap2_hsmmc_init(controllers);
189 for (c = controllers; c->mmc; c++)
190 omap4_twl6030_hsmmc_set_late_init(c->dev);
195 static struct regulator_init_data omap4_panda_vaux1 = {
200 .valid_modes_mask = REGULATOR_MODE_NORMAL
201 | REGULATOR_MODE_STANDBY,
202 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
203 | REGULATOR_CHANGE_MODE
204 | REGULATOR_CHANGE_STATUS,
208 static struct regulator_init_data omap4_panda_vaux2 = {
213 .valid_modes_mask = REGULATOR_MODE_NORMAL
214 | REGULATOR_MODE_STANDBY,
215 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
216 | REGULATOR_CHANGE_MODE
217 | REGULATOR_CHANGE_STATUS,
221 static struct regulator_init_data omap4_panda_vaux3 = {
226 .valid_modes_mask = REGULATOR_MODE_NORMAL
227 | REGULATOR_MODE_STANDBY,
228 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
229 | REGULATOR_CHANGE_MODE
230 | REGULATOR_CHANGE_STATUS,
234 /* VMMC1 for MMC1 card */
235 static struct regulator_init_data omap4_panda_vmmc = {
240 .valid_modes_mask = REGULATOR_MODE_NORMAL
241 | REGULATOR_MODE_STANDBY,
242 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
243 | REGULATOR_CHANGE_MODE
244 | REGULATOR_CHANGE_STATUS,
246 .num_consumer_supplies = 1,
247 .consumer_supplies = omap4_panda_vmmc_supply,
250 static struct regulator_init_data omap4_panda_vpp = {
255 .valid_modes_mask = REGULATOR_MODE_NORMAL
256 | REGULATOR_MODE_STANDBY,
257 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
258 | REGULATOR_CHANGE_MODE
259 | REGULATOR_CHANGE_STATUS,
263 static struct regulator_init_data omap4_panda_vusim = {
268 .valid_modes_mask = REGULATOR_MODE_NORMAL
269 | REGULATOR_MODE_STANDBY,
270 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
271 | REGULATOR_CHANGE_MODE
272 | REGULATOR_CHANGE_STATUS,
276 static struct regulator_init_data omap4_panda_vana = {
281 .valid_modes_mask = REGULATOR_MODE_NORMAL
282 | REGULATOR_MODE_STANDBY,
283 .valid_ops_mask = REGULATOR_CHANGE_MODE
284 | REGULATOR_CHANGE_STATUS,
288 static struct regulator_init_data omap4_panda_vcxio = {
293 .valid_modes_mask = REGULATOR_MODE_NORMAL
294 | REGULATOR_MODE_STANDBY,
295 .valid_ops_mask = REGULATOR_CHANGE_MODE
296 | REGULATOR_CHANGE_STATUS,
300 static struct regulator_init_data omap4_panda_vdac = {
305 .valid_modes_mask = REGULATOR_MODE_NORMAL
306 | REGULATOR_MODE_STANDBY,
307 .valid_ops_mask = REGULATOR_CHANGE_MODE
308 | REGULATOR_CHANGE_STATUS,
312 static struct regulator_init_data omap4_panda_vusb = {
317 .valid_modes_mask = REGULATOR_MODE_NORMAL
318 | REGULATOR_MODE_STANDBY,
319 .valid_ops_mask = REGULATOR_CHANGE_MODE
320 | REGULATOR_CHANGE_STATUS,
324 static struct twl4030_platform_data omap4_panda_twldata = {
325 .irq_base = TWL6030_IRQ_BASE,
326 .irq_end = TWL6030_IRQ_END,
329 .vmmc = &omap4_panda_vmmc,
330 .vpp = &omap4_panda_vpp,
331 .vusim = &omap4_panda_vusim,
332 .vana = &omap4_panda_vana,
333 .vcxio = &omap4_panda_vcxio,
334 .vdac = &omap4_panda_vdac,
335 .vusb = &omap4_panda_vusb,
336 .vaux1 = &omap4_panda_vaux1,
337 .vaux2 = &omap4_panda_vaux2,
338 .vaux3 = &omap4_panda_vaux3,
341 static struct i2c_board_info __initdata omap4_panda_i2c_boardinfo[] = {
343 I2C_BOARD_INFO("twl6030", 0x48),
344 .flags = I2C_CLIENT_WAKE,
345 .irq = OMAP44XX_IRQ_SYS_1N,
346 .platform_data = &omap4_panda_twldata,
349 static int __init omap4_panda_i2c_init(void)
352 * Phoenix Audio IC needs I2C1 to
353 * start with 400 KHz or less
355 omap_register_i2c_bus(1, 400, omap4_panda_i2c_boardinfo,
356 ARRAY_SIZE(omap4_panda_i2c_boardinfo));
357 omap_register_i2c_bus(2, 400, NULL, 0);
358 omap_register_i2c_bus(3, 400, NULL, 0);
359 omap_register_i2c_bus(4, 400, NULL, 0);
362 static void __init omap4_panda_init(void)
364 omap4_panda_i2c_init();
365 platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices));
367 omap4_twl6030_hsmmc_init(mmc);
368 /* OMAP4 Panda uses internal transceiver so register nop transceiver */
369 usb_nop_xceiv_register();
371 /* FIXME: allow multi-omap to boot until musb is updated for omap4 */
372 if (!cpu_is_omap44xx())
373 usb_musb_init(&musb_board_data);
376 static void __init omap4_panda_map_io(void)
378 omap2_set_globals_443x();
379 omap44xx_map_common_io();
382 MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board")
383 /* Maintainer: David Anders - Texas Instruments Inc */
384 .boot_params = 0x80000100,
385 .map_io = omap4_panda_map_io,
386 .init_irq = omap4_panda_init_irq,
387 .init_machine = omap4_panda_init,
388 .timer = &omap_timer,