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>
45 #define GPIO_HUB_POWER 1
46 #define GPIO_HUB_NRESET 62
48 static struct gpio_led gpio_leds[] = {
50 .name = "pandaboard::status1",
51 .default_trigger = "heartbeat",
55 .name = "pandaboard::status2",
56 .default_trigger = "mmc0",
61 static struct gpio_led_platform_data gpio_led_info = {
63 .num_leds = ARRAY_SIZE(gpio_leds),
66 static struct platform_device leds_gpio = {
70 .platform_data = &gpio_led_info,
74 static struct platform_device *panda_devices[] __initdata = {
78 static void __init omap4_panda_init_irq(void)
80 omap2_init_common_hw(NULL, NULL);
85 static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
86 .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
87 .port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN,
88 .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
90 .reset_gpio_port[0] = -EINVAL,
91 .reset_gpio_port[1] = -EINVAL,
92 .reset_gpio_port[2] = -EINVAL
95 static void __init omap4_ehci_init(void)
100 /* disable the power to the usb hub prior to init */
101 ret = gpio_request(GPIO_HUB_POWER, "hub_power");
103 pr_err("Cannot request GPIO %d\n", GPIO_HUB_POWER);
106 gpio_export(GPIO_HUB_POWER, 0);
107 gpio_direction_output(GPIO_HUB_POWER, 0);
108 gpio_set_value(GPIO_HUB_POWER, 0);
111 ret = gpio_request(GPIO_HUB_NRESET, "hub_nreset");
113 pr_err("Cannot request GPIO %d\n", GPIO_HUB_NRESET);
116 gpio_export(GPIO_HUB_NRESET, 0);
117 gpio_direction_output(GPIO_HUB_NRESET, 0);
118 gpio_set_value(GPIO_HUB_NRESET, 0);
119 gpio_set_value(GPIO_HUB_NRESET, 1);
121 usb_ehci_init(&ehci_pdata);
123 /* enable power to hub */
124 gpio_set_value(GPIO_HUB_POWER, 1);
128 gpio_free(GPIO_HUB_POWER);
130 pr_err("Unable to initialize EHCI power/reset\n");
135 static struct omap_musb_board_data musb_board_data = {
136 .interface_type = MUSB_INTERFACE_UTMI,
137 .mode = MUSB_PERIPHERAL,
141 static struct omap2_hsmmc_info mmc[] = {
144 .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
150 static struct regulator_consumer_supply omap4_panda_vmmc_supply[] = {
153 .dev_name = "mmci-omap-hs.0",
157 static int omap4_twl6030_hsmmc_late_init(struct device *dev)
160 struct platform_device *pdev = container_of(dev,
161 struct platform_device, dev);
162 struct omap_mmc_platform_data *pdata = dev->platform_data;
165 dev_err(dev, "%s: NULL platform data\n", __func__);
168 /* Setting MMC1 Card detect Irq */
170 ret = twl6030_mmc_card_detect_config();
172 dev_err(dev, "%s: Error card detect config(%d)\n",
175 pdata->slots[0].card_detect = twl6030_mmc_card_detect;
180 static __init void omap4_twl6030_hsmmc_set_late_init(struct device *dev)
182 struct omap_mmc_platform_data *pdata;
184 /* dev can be null if CONFIG_MMC_OMAP_HS is not set */
186 pr_err("Failed omap4_twl6030_hsmmc_set_late_init\n");
189 pdata = dev->platform_data;
191 pdata->init = omap4_twl6030_hsmmc_late_init;
194 static int __init omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers)
196 struct omap2_hsmmc_info *c;
198 omap2_hsmmc_init(controllers);
199 for (c = controllers; c->mmc; c++)
200 omap4_twl6030_hsmmc_set_late_init(c->dev);
205 static struct regulator_init_data omap4_panda_vaux1 = {
210 .valid_modes_mask = REGULATOR_MODE_NORMAL
211 | REGULATOR_MODE_STANDBY,
212 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
213 | REGULATOR_CHANGE_MODE
214 | REGULATOR_CHANGE_STATUS,
218 static struct regulator_init_data omap4_panda_vaux2 = {
223 .valid_modes_mask = REGULATOR_MODE_NORMAL
224 | REGULATOR_MODE_STANDBY,
225 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
226 | REGULATOR_CHANGE_MODE
227 | REGULATOR_CHANGE_STATUS,
231 static struct regulator_init_data omap4_panda_vaux3 = {
236 .valid_modes_mask = REGULATOR_MODE_NORMAL
237 | REGULATOR_MODE_STANDBY,
238 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
239 | REGULATOR_CHANGE_MODE
240 | REGULATOR_CHANGE_STATUS,
244 /* VMMC1 for MMC1 card */
245 static struct regulator_init_data omap4_panda_vmmc = {
250 .valid_modes_mask = REGULATOR_MODE_NORMAL
251 | REGULATOR_MODE_STANDBY,
252 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
253 | REGULATOR_CHANGE_MODE
254 | REGULATOR_CHANGE_STATUS,
256 .num_consumer_supplies = 1,
257 .consumer_supplies = omap4_panda_vmmc_supply,
260 static struct regulator_init_data omap4_panda_vpp = {
265 .valid_modes_mask = REGULATOR_MODE_NORMAL
266 | REGULATOR_MODE_STANDBY,
267 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
268 | REGULATOR_CHANGE_MODE
269 | REGULATOR_CHANGE_STATUS,
273 static struct regulator_init_data omap4_panda_vusim = {
278 .valid_modes_mask = REGULATOR_MODE_NORMAL
279 | REGULATOR_MODE_STANDBY,
280 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
281 | REGULATOR_CHANGE_MODE
282 | REGULATOR_CHANGE_STATUS,
286 static struct regulator_init_data omap4_panda_vana = {
291 .valid_modes_mask = REGULATOR_MODE_NORMAL
292 | REGULATOR_MODE_STANDBY,
293 .valid_ops_mask = REGULATOR_CHANGE_MODE
294 | REGULATOR_CHANGE_STATUS,
298 static struct regulator_init_data omap4_panda_vcxio = {
303 .valid_modes_mask = REGULATOR_MODE_NORMAL
304 | REGULATOR_MODE_STANDBY,
305 .valid_ops_mask = REGULATOR_CHANGE_MODE
306 | REGULATOR_CHANGE_STATUS,
310 static struct regulator_init_data omap4_panda_vdac = {
315 .valid_modes_mask = REGULATOR_MODE_NORMAL
316 | REGULATOR_MODE_STANDBY,
317 .valid_ops_mask = REGULATOR_CHANGE_MODE
318 | REGULATOR_CHANGE_STATUS,
322 static struct regulator_init_data omap4_panda_vusb = {
327 .valid_modes_mask = REGULATOR_MODE_NORMAL
328 | REGULATOR_MODE_STANDBY,
329 .valid_ops_mask = REGULATOR_CHANGE_MODE
330 | REGULATOR_CHANGE_STATUS,
334 static struct twl4030_platform_data omap4_panda_twldata = {
335 .irq_base = TWL6030_IRQ_BASE,
336 .irq_end = TWL6030_IRQ_END,
339 .vmmc = &omap4_panda_vmmc,
340 .vpp = &omap4_panda_vpp,
341 .vusim = &omap4_panda_vusim,
342 .vana = &omap4_panda_vana,
343 .vcxio = &omap4_panda_vcxio,
344 .vdac = &omap4_panda_vdac,
345 .vusb = &omap4_panda_vusb,
346 .vaux1 = &omap4_panda_vaux1,
347 .vaux2 = &omap4_panda_vaux2,
348 .vaux3 = &omap4_panda_vaux3,
351 static struct i2c_board_info __initdata omap4_panda_i2c_boardinfo[] = {
353 I2C_BOARD_INFO("twl6030", 0x48),
354 .flags = I2C_CLIENT_WAKE,
355 .irq = OMAP44XX_IRQ_SYS_1N,
356 .platform_data = &omap4_panda_twldata,
359 static int __init omap4_panda_i2c_init(void)
362 * Phoenix Audio IC needs I2C1 to
363 * start with 400 KHz or less
365 omap_register_i2c_bus(1, 400, omap4_panda_i2c_boardinfo,
366 ARRAY_SIZE(omap4_panda_i2c_boardinfo));
367 omap_register_i2c_bus(2, 400, NULL, 0);
368 omap_register_i2c_bus(3, 400, NULL, 0);
369 omap_register_i2c_bus(4, 400, NULL, 0);
373 #ifdef CONFIG_OMAP_MUX
374 static struct omap_board_mux board_mux[] __initdata = {
375 { .reg_offset = OMAP_MUX_TERMINATOR },
378 #define board_mux NULL
381 static void __init omap4_panda_init(void)
383 int package = OMAP_PACKAGE_CBS;
385 if (omap_rev() == OMAP4430_REV_ES1_0)
386 package = OMAP_PACKAGE_CBL;
387 omap4_mux_init(board_mux, package);
389 omap4_panda_i2c_init();
390 platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices));
392 omap4_twl6030_hsmmc_init(mmc);
393 /* OMAP4 Panda uses internal transceiver so register nop transceiver */
394 usb_nop_xceiv_register();
396 /* FIXME: allow multi-omap to boot until musb is updated for omap4 */
397 if (!cpu_is_omap44xx())
398 usb_musb_init(&musb_board_data);
401 static void __init omap4_panda_map_io(void)
403 omap2_set_globals_443x();
404 omap44xx_map_common_io();
407 MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board")
408 /* Maintainer: David Anders - Texas Instruments Inc */
409 .boot_params = 0x80000100,
410 .map_io = omap4_panda_map_io,
411 .init_irq = omap4_panda_init_irq,
412 .init_machine = omap4_panda_init,
413 .timer = &omap_timer,