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_infrastructure();
81 omap2_init_common_devices(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,
141 static struct twl4030_usb_data omap4_usbphy_data = {
142 .phy_init = omap4430_phy_init,
143 .phy_exit = omap4430_phy_exit,
144 .phy_power = omap4430_phy_power,
145 .phy_set_clock = omap4430_phy_set_clk,
148 static struct omap2_hsmmc_info mmc[] = {
151 .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
158 static struct regulator_consumer_supply omap4_panda_vmmc_supply[] = {
161 .dev_name = "mmci-omap-hs.0",
165 static int omap4_twl6030_hsmmc_late_init(struct device *dev)
168 struct platform_device *pdev = container_of(dev,
169 struct platform_device, dev);
170 struct omap_mmc_platform_data *pdata = dev->platform_data;
173 dev_err(dev, "%s: NULL platform data\n", __func__);
176 /* Setting MMC1 Card detect Irq */
178 ret = twl6030_mmc_card_detect_config();
180 dev_err(dev, "%s: Error card detect config(%d)\n",
183 pdata->slots[0].card_detect = twl6030_mmc_card_detect;
188 static __init void omap4_twl6030_hsmmc_set_late_init(struct device *dev)
190 struct omap_mmc_platform_data *pdata;
192 /* dev can be null if CONFIG_MMC_OMAP_HS is not set */
194 pr_err("Failed omap4_twl6030_hsmmc_set_late_init\n");
197 pdata = dev->platform_data;
199 pdata->init = omap4_twl6030_hsmmc_late_init;
202 static int __init omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers)
204 struct omap2_hsmmc_info *c;
206 omap2_hsmmc_init(controllers);
207 for (c = controllers; c->mmc; c++)
208 omap4_twl6030_hsmmc_set_late_init(c->dev);
213 static struct regulator_init_data omap4_panda_vaux1 = {
218 .valid_modes_mask = REGULATOR_MODE_NORMAL
219 | REGULATOR_MODE_STANDBY,
220 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
221 | REGULATOR_CHANGE_MODE
222 | REGULATOR_CHANGE_STATUS,
226 static struct regulator_init_data omap4_panda_vaux2 = {
231 .valid_modes_mask = REGULATOR_MODE_NORMAL
232 | REGULATOR_MODE_STANDBY,
233 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
234 | REGULATOR_CHANGE_MODE
235 | REGULATOR_CHANGE_STATUS,
239 static struct regulator_init_data omap4_panda_vaux3 = {
244 .valid_modes_mask = REGULATOR_MODE_NORMAL
245 | REGULATOR_MODE_STANDBY,
246 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
247 | REGULATOR_CHANGE_MODE
248 | REGULATOR_CHANGE_STATUS,
252 /* VMMC1 for MMC1 card */
253 static struct regulator_init_data omap4_panda_vmmc = {
258 .valid_modes_mask = REGULATOR_MODE_NORMAL
259 | REGULATOR_MODE_STANDBY,
260 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
261 | REGULATOR_CHANGE_MODE
262 | REGULATOR_CHANGE_STATUS,
264 .num_consumer_supplies = 1,
265 .consumer_supplies = omap4_panda_vmmc_supply,
268 static struct regulator_init_data omap4_panda_vpp = {
273 .valid_modes_mask = REGULATOR_MODE_NORMAL
274 | REGULATOR_MODE_STANDBY,
275 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
276 | REGULATOR_CHANGE_MODE
277 | REGULATOR_CHANGE_STATUS,
281 static struct regulator_init_data omap4_panda_vusim = {
286 .valid_modes_mask = REGULATOR_MODE_NORMAL
287 | REGULATOR_MODE_STANDBY,
288 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
289 | REGULATOR_CHANGE_MODE
290 | REGULATOR_CHANGE_STATUS,
294 static struct regulator_init_data omap4_panda_vana = {
299 .valid_modes_mask = REGULATOR_MODE_NORMAL
300 | REGULATOR_MODE_STANDBY,
301 .valid_ops_mask = REGULATOR_CHANGE_MODE
302 | REGULATOR_CHANGE_STATUS,
306 static struct regulator_init_data omap4_panda_vcxio = {
311 .valid_modes_mask = REGULATOR_MODE_NORMAL
312 | REGULATOR_MODE_STANDBY,
313 .valid_ops_mask = REGULATOR_CHANGE_MODE
314 | REGULATOR_CHANGE_STATUS,
318 static struct regulator_init_data omap4_panda_vdac = {
323 .valid_modes_mask = REGULATOR_MODE_NORMAL
324 | REGULATOR_MODE_STANDBY,
325 .valid_ops_mask = REGULATOR_CHANGE_MODE
326 | REGULATOR_CHANGE_STATUS,
330 static struct regulator_init_data omap4_panda_vusb = {
335 .valid_modes_mask = REGULATOR_MODE_NORMAL
336 | REGULATOR_MODE_STANDBY,
337 .valid_ops_mask = REGULATOR_CHANGE_MODE
338 | REGULATOR_CHANGE_STATUS,
342 static struct twl4030_platform_data omap4_panda_twldata = {
343 .irq_base = TWL6030_IRQ_BASE,
344 .irq_end = TWL6030_IRQ_END,
347 .vmmc = &omap4_panda_vmmc,
348 .vpp = &omap4_panda_vpp,
349 .vusim = &omap4_panda_vusim,
350 .vana = &omap4_panda_vana,
351 .vcxio = &omap4_panda_vcxio,
352 .vdac = &omap4_panda_vdac,
353 .vusb = &omap4_panda_vusb,
354 .vaux1 = &omap4_panda_vaux1,
355 .vaux2 = &omap4_panda_vaux2,
356 .vaux3 = &omap4_panda_vaux3,
357 .usb = &omap4_usbphy_data,
360 static struct i2c_board_info __initdata omap4_panda_i2c_boardinfo[] = {
362 I2C_BOARD_INFO("twl6030", 0x48),
363 .flags = I2C_CLIENT_WAKE,
364 .irq = OMAP44XX_IRQ_SYS_1N,
365 .platform_data = &omap4_panda_twldata,
368 static int __init omap4_panda_i2c_init(void)
371 * Phoenix Audio IC needs I2C1 to
372 * start with 400 KHz or less
374 omap_register_i2c_bus(1, 400, omap4_panda_i2c_boardinfo,
375 ARRAY_SIZE(omap4_panda_i2c_boardinfo));
376 omap_register_i2c_bus(2, 400, NULL, 0);
377 omap_register_i2c_bus(3, 400, NULL, 0);
378 omap_register_i2c_bus(4, 400, NULL, 0);
382 #ifdef CONFIG_OMAP_MUX
383 static struct omap_board_mux board_mux[] __initdata = {
384 { .reg_offset = OMAP_MUX_TERMINATOR },
387 #define board_mux NULL
390 static void __init omap4_panda_init(void)
392 int package = OMAP_PACKAGE_CBS;
394 if (omap_rev() == OMAP4430_REV_ES1_0)
395 package = OMAP_PACKAGE_CBL;
396 omap4_mux_init(board_mux, package);
398 omap4_panda_i2c_init();
399 platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices));
401 omap4_twl6030_hsmmc_init(mmc);
402 /* OMAP4 Panda uses internal transceiver so register nop transceiver */
403 usb_nop_xceiv_register();
405 usb_musb_init(&musb_board_data);
408 static void __init omap4_panda_map_io(void)
410 omap2_set_globals_443x();
411 omap44xx_map_common_io();
414 MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board")
415 /* Maintainer: David Anders - Texas Instruments Inc */
416 .boot_params = 0x80000100,
417 .reserve = omap_reserve,
418 .map_io = omap4_panda_map_io,
419 .init_irq = omap4_panda_init_irq,
420 .init_machine = omap4_panda_init,
421 .timer = &omap_timer,