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);
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;
164 dev_err(dev, "%s: NULL platform data\n", __func__);
167 /* Setting MMC1 Card detect Irq */
169 ret = twl6030_mmc_card_detect_config();
171 dev_err(dev, "%s: Error card detect config(%d)\n",
174 pdata->slots[0].card_detect = twl6030_mmc_card_detect;
179 static __init void omap4_twl6030_hsmmc_set_late_init(struct device *dev)
181 struct omap_mmc_platform_data *pdata;
183 /* dev can be null if CONFIG_MMC_OMAP_HS is not set */
185 pr_err("Failed omap4_twl6030_hsmmc_set_late_init\n");
188 pdata = dev->platform_data;
190 pdata->init = omap4_twl6030_hsmmc_late_init;
193 static int __init omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers)
195 struct omap2_hsmmc_info *c;
197 omap2_hsmmc_init(controllers);
198 for (c = controllers; c->mmc; c++)
199 omap4_twl6030_hsmmc_set_late_init(c->dev);
204 static struct regulator_init_data omap4_panda_vaux1 = {
209 .valid_modes_mask = REGULATOR_MODE_NORMAL
210 | REGULATOR_MODE_STANDBY,
211 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
212 | REGULATOR_CHANGE_MODE
213 | REGULATOR_CHANGE_STATUS,
217 static struct regulator_init_data omap4_panda_vaux2 = {
222 .valid_modes_mask = REGULATOR_MODE_NORMAL
223 | REGULATOR_MODE_STANDBY,
224 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
225 | REGULATOR_CHANGE_MODE
226 | REGULATOR_CHANGE_STATUS,
230 static struct regulator_init_data omap4_panda_vaux3 = {
235 .valid_modes_mask = REGULATOR_MODE_NORMAL
236 | REGULATOR_MODE_STANDBY,
237 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
238 | REGULATOR_CHANGE_MODE
239 | REGULATOR_CHANGE_STATUS,
243 /* VMMC1 for MMC1 card */
244 static struct regulator_init_data omap4_panda_vmmc = {
249 .valid_modes_mask = REGULATOR_MODE_NORMAL
250 | REGULATOR_MODE_STANDBY,
251 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
252 | REGULATOR_CHANGE_MODE
253 | REGULATOR_CHANGE_STATUS,
255 .num_consumer_supplies = 1,
256 .consumer_supplies = omap4_panda_vmmc_supply,
259 static struct regulator_init_data omap4_panda_vpp = {
264 .valid_modes_mask = REGULATOR_MODE_NORMAL
265 | REGULATOR_MODE_STANDBY,
266 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
267 | REGULATOR_CHANGE_MODE
268 | REGULATOR_CHANGE_STATUS,
272 static struct regulator_init_data omap4_panda_vusim = {
277 .valid_modes_mask = REGULATOR_MODE_NORMAL
278 | REGULATOR_MODE_STANDBY,
279 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
280 | REGULATOR_CHANGE_MODE
281 | REGULATOR_CHANGE_STATUS,
285 static struct regulator_init_data omap4_panda_vana = {
290 .valid_modes_mask = REGULATOR_MODE_NORMAL
291 | REGULATOR_MODE_STANDBY,
292 .valid_ops_mask = REGULATOR_CHANGE_MODE
293 | REGULATOR_CHANGE_STATUS,
297 static struct regulator_init_data omap4_panda_vcxio = {
302 .valid_modes_mask = REGULATOR_MODE_NORMAL
303 | REGULATOR_MODE_STANDBY,
304 .valid_ops_mask = REGULATOR_CHANGE_MODE
305 | REGULATOR_CHANGE_STATUS,
309 static struct regulator_init_data omap4_panda_vdac = {
314 .valid_modes_mask = REGULATOR_MODE_NORMAL
315 | REGULATOR_MODE_STANDBY,
316 .valid_ops_mask = REGULATOR_CHANGE_MODE
317 | REGULATOR_CHANGE_STATUS,
321 static struct regulator_init_data omap4_panda_vusb = {
326 .valid_modes_mask = REGULATOR_MODE_NORMAL
327 | REGULATOR_MODE_STANDBY,
328 .valid_ops_mask = REGULATOR_CHANGE_MODE
329 | REGULATOR_CHANGE_STATUS,
333 static struct twl4030_platform_data omap4_panda_twldata = {
334 .irq_base = TWL6030_IRQ_BASE,
335 .irq_end = TWL6030_IRQ_END,
338 .vmmc = &omap4_panda_vmmc,
339 .vpp = &omap4_panda_vpp,
340 .vusim = &omap4_panda_vusim,
341 .vana = &omap4_panda_vana,
342 .vcxio = &omap4_panda_vcxio,
343 .vdac = &omap4_panda_vdac,
344 .vusb = &omap4_panda_vusb,
345 .vaux1 = &omap4_panda_vaux1,
346 .vaux2 = &omap4_panda_vaux2,
347 .vaux3 = &omap4_panda_vaux3,
350 static struct i2c_board_info __initdata omap4_panda_i2c_boardinfo[] = {
352 I2C_BOARD_INFO("twl6030", 0x48),
353 .flags = I2C_CLIENT_WAKE,
354 .irq = OMAP44XX_IRQ_SYS_1N,
355 .platform_data = &omap4_panda_twldata,
358 static int __init omap4_panda_i2c_init(void)
361 * Phoenix Audio IC needs I2C1 to
362 * start with 400 KHz or less
364 omap_register_i2c_bus(1, 400, omap4_panda_i2c_boardinfo,
365 ARRAY_SIZE(omap4_panda_i2c_boardinfo));
366 omap_register_i2c_bus(2, 400, NULL, 0);
367 omap_register_i2c_bus(3, 400, NULL, 0);
368 omap_register_i2c_bus(4, 400, NULL, 0);
372 #ifdef CONFIG_OMAP_MUX
373 static struct omap_board_mux board_mux[] __initdata = {
374 { .reg_offset = OMAP_MUX_TERMINATOR },
377 #define board_mux NULL
380 static void __init omap4_panda_init(void)
382 int package = OMAP_PACKAGE_CBS;
384 if (omap_rev() == OMAP4430_REV_ES1_0)
385 package = OMAP_PACKAGE_CBL;
386 omap4_mux_init(board_mux, package);
388 omap4_panda_i2c_init();
389 platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices));
391 omap4_twl6030_hsmmc_init(mmc);
392 /* OMAP4 Panda uses internal transceiver so register nop transceiver */
393 usb_nop_xceiv_register();
395 /* FIXME: allow multi-omap to boot until musb is updated for omap4 */
396 if (!cpu_is_omap44xx())
397 usb_musb_init(&musb_board_data);
400 static void __init omap4_panda_map_io(void)
402 omap2_set_globals_443x();
403 omap44xx_map_common_io();
406 MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board")
407 /* Maintainer: David Anders - Texas Instruments Inc */
408 .boot_params = 0x80000100,
409 .reserve = omap_reserve,
410 .map_io = omap4_panda_map_io,
411 .init_irq = omap4_panda_init_irq,
412 .init_machine = omap4_panda_init,
413 .timer = &omap_timer,