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>
22 #include <linux/clk.h>
24 #include <linux/leds.h>
25 #include <linux/gpio.h>
26 #include <linux/usb/otg.h>
27 #include <linux/i2c/twl.h>
28 #include <linux/regulator/machine.h>
29 #include <linux/regulator/fixed.h>
30 #include <linux/wl12xx.h>
32 #include <mach/hardware.h>
33 #include <mach/omap4-common.h>
34 #include <asm/mach-types.h>
35 #include <asm/mach/arch.h>
36 #include <asm/mach/map.h>
38 #include <plat/board.h>
39 #include <plat/common.h>
48 #define GPIO_HUB_POWER 1
49 #define GPIO_HUB_NRESET 62
50 #define GPIO_WIFI_PMENA 43
51 #define GPIO_WIFI_IRQ 53
53 /* wl127x BT, FM, GPS connectivity chip */
54 static int wl1271_gpios[] = {46, -1, -1};
55 static struct platform_device wl1271_device = {
59 .platform_data = &wl1271_gpios,
63 static struct gpio_led gpio_leds[] = {
65 .name = "pandaboard::status1",
66 .default_trigger = "heartbeat",
70 .name = "pandaboard::status2",
71 .default_trigger = "mmc0",
76 static struct gpio_led_platform_data gpio_led_info = {
78 .num_leds = ARRAY_SIZE(gpio_leds),
81 static struct platform_device leds_gpio = {
85 .platform_data = &gpio_led_info,
89 static struct platform_device *panda_devices[] __initdata = {
94 static void __init omap4_panda_init_early(void)
96 omap2_init_common_infrastructure();
97 omap2_init_common_devices(NULL, NULL);
100 static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
101 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
102 .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
103 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
105 .reset_gpio_port[0] = -EINVAL,
106 .reset_gpio_port[1] = -EINVAL,
107 .reset_gpio_port[2] = -EINVAL
110 static void __init omap4_ehci_init(void)
113 struct clk *phy_ref_clk;
115 /* FREF_CLK3 provides the 19.2 MHz reference clock to the PHY */
116 phy_ref_clk = clk_get(NULL, "auxclk3_ck");
117 if (IS_ERR(phy_ref_clk)) {
118 pr_err("Cannot request auxclk3\n");
121 clk_set_rate(phy_ref_clk, 19200000);
122 clk_enable(phy_ref_clk);
124 /* disable the power to the usb hub prior to init */
125 ret = gpio_request(GPIO_HUB_POWER, "hub_power");
127 pr_err("Cannot request GPIO %d\n", GPIO_HUB_POWER);
130 gpio_export(GPIO_HUB_POWER, 0);
131 gpio_direction_output(GPIO_HUB_POWER, 0);
132 gpio_set_value(GPIO_HUB_POWER, 0);
135 ret = gpio_request(GPIO_HUB_NRESET, "hub_nreset");
137 pr_err("Cannot request GPIO %d\n", GPIO_HUB_NRESET);
140 gpio_export(GPIO_HUB_NRESET, 0);
141 gpio_direction_output(GPIO_HUB_NRESET, 0);
142 gpio_set_value(GPIO_HUB_NRESET, 0);
143 gpio_set_value(GPIO_HUB_NRESET, 1);
145 usbhs_init(&usbhs_bdata);
147 /* enable power to hub */
148 gpio_set_value(GPIO_HUB_POWER, 1);
152 gpio_free(GPIO_HUB_POWER);
154 pr_err("Unable to initialize EHCI power/reset\n");
159 static struct omap_musb_board_data musb_board_data = {
160 .interface_type = MUSB_INTERFACE_UTMI,
165 static struct twl4030_usb_data omap4_usbphy_data = {
166 .phy_init = omap4430_phy_init,
167 .phy_exit = omap4430_phy_exit,
168 .phy_power = omap4430_phy_power,
169 .phy_set_clock = omap4430_phy_set_clk,
170 .phy_suspend = omap4430_phy_suspend,
173 static struct omap2_hsmmc_info mmc[] = {
176 .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
183 .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
186 .ocr_mask = MMC_VDD_165_195,
187 .nonremovable = true,
192 static struct regulator_consumer_supply omap4_panda_vmmc_supply[] = {
195 .dev_name = "omap_hsmmc.0",
199 static struct regulator_consumer_supply omap4_panda_vmmc5_supply = {
201 .dev_name = "omap_hsmmc.4",
204 static struct regulator_init_data panda_vmmc5 = {
206 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
208 .num_consumer_supplies = 1,
209 .consumer_supplies = &omap4_panda_vmmc5_supply,
212 static struct fixed_voltage_config panda_vwlan = {
213 .supply_name = "vwl1271",
214 .microvolts = 1800000, /* 1.8V */
215 .gpio = GPIO_WIFI_PMENA,
216 .startup_delay = 70000, /* 70msec */
218 .enabled_at_boot = 0,
219 .init_data = &panda_vmmc5,
222 static struct platform_device omap_vwlan_device = {
223 .name = "reg-fixed-voltage",
226 .platform_data = &panda_vwlan,
230 struct wl12xx_platform_data omap_panda_wlan_data __initdata = {
231 .irq = OMAP_GPIO_IRQ(GPIO_WIFI_IRQ),
232 /* PANDA ref clock is 38.4 MHz */
233 .board_ref_clock = 2,
236 static int omap4_twl6030_hsmmc_late_init(struct device *dev)
239 struct platform_device *pdev = container_of(dev,
240 struct platform_device, dev);
241 struct omap_mmc_platform_data *pdata = dev->platform_data;
244 dev_err(dev, "%s: NULL platform data\n", __func__);
247 /* Setting MMC1 Card detect Irq */
249 ret = twl6030_mmc_card_detect_config();
251 dev_err(dev, "%s: Error card detect config(%d)\n",
254 pdata->slots[0].card_detect = twl6030_mmc_card_detect;
259 static __init void omap4_twl6030_hsmmc_set_late_init(struct device *dev)
261 struct omap_mmc_platform_data *pdata;
263 /* dev can be null if CONFIG_MMC_OMAP_HS is not set */
265 pr_err("Failed omap4_twl6030_hsmmc_set_late_init\n");
268 pdata = dev->platform_data;
270 pdata->init = omap4_twl6030_hsmmc_late_init;
273 static int __init omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers)
275 struct omap2_hsmmc_info *c;
277 omap2_hsmmc_init(controllers);
278 for (c = controllers; c->mmc; c++)
279 omap4_twl6030_hsmmc_set_late_init(c->dev);
284 static struct regulator_init_data omap4_panda_vaux1 = {
289 .valid_modes_mask = REGULATOR_MODE_NORMAL
290 | REGULATOR_MODE_STANDBY,
291 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
292 | REGULATOR_CHANGE_MODE
293 | REGULATOR_CHANGE_STATUS,
297 static struct regulator_init_data omap4_panda_vaux2 = {
302 .valid_modes_mask = REGULATOR_MODE_NORMAL
303 | REGULATOR_MODE_STANDBY,
304 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
305 | REGULATOR_CHANGE_MODE
306 | REGULATOR_CHANGE_STATUS,
310 static struct regulator_init_data omap4_panda_vaux3 = {
315 .valid_modes_mask = REGULATOR_MODE_NORMAL
316 | REGULATOR_MODE_STANDBY,
317 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
318 | REGULATOR_CHANGE_MODE
319 | REGULATOR_CHANGE_STATUS,
323 /* VMMC1 for MMC1 card */
324 static struct regulator_init_data omap4_panda_vmmc = {
329 .valid_modes_mask = REGULATOR_MODE_NORMAL
330 | REGULATOR_MODE_STANDBY,
331 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
332 | REGULATOR_CHANGE_MODE
333 | REGULATOR_CHANGE_STATUS,
335 .num_consumer_supplies = 1,
336 .consumer_supplies = omap4_panda_vmmc_supply,
339 static struct regulator_init_data omap4_panda_vpp = {
344 .valid_modes_mask = REGULATOR_MODE_NORMAL
345 | REGULATOR_MODE_STANDBY,
346 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
347 | REGULATOR_CHANGE_MODE
348 | REGULATOR_CHANGE_STATUS,
352 static struct regulator_init_data omap4_panda_vusim = {
357 .valid_modes_mask = REGULATOR_MODE_NORMAL
358 | REGULATOR_MODE_STANDBY,
359 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
360 | REGULATOR_CHANGE_MODE
361 | REGULATOR_CHANGE_STATUS,
365 static struct regulator_init_data omap4_panda_vana = {
369 .valid_modes_mask = REGULATOR_MODE_NORMAL
370 | REGULATOR_MODE_STANDBY,
371 .valid_ops_mask = REGULATOR_CHANGE_MODE
372 | REGULATOR_CHANGE_STATUS,
376 static struct regulator_init_data omap4_panda_vcxio = {
380 .valid_modes_mask = REGULATOR_MODE_NORMAL
381 | REGULATOR_MODE_STANDBY,
382 .valid_ops_mask = REGULATOR_CHANGE_MODE
383 | REGULATOR_CHANGE_STATUS,
387 static struct regulator_init_data omap4_panda_vdac = {
391 .valid_modes_mask = REGULATOR_MODE_NORMAL
392 | REGULATOR_MODE_STANDBY,
393 .valid_ops_mask = REGULATOR_CHANGE_MODE
394 | REGULATOR_CHANGE_STATUS,
398 static struct regulator_init_data omap4_panda_vusb = {
403 .valid_modes_mask = REGULATOR_MODE_NORMAL
404 | REGULATOR_MODE_STANDBY,
405 .valid_ops_mask = REGULATOR_CHANGE_MODE
406 | REGULATOR_CHANGE_STATUS,
410 static struct twl4030_platform_data omap4_panda_twldata = {
411 .irq_base = TWL6030_IRQ_BASE,
412 .irq_end = TWL6030_IRQ_END,
415 .vmmc = &omap4_panda_vmmc,
416 .vpp = &omap4_panda_vpp,
417 .vusim = &omap4_panda_vusim,
418 .vana = &omap4_panda_vana,
419 .vcxio = &omap4_panda_vcxio,
420 .vdac = &omap4_panda_vdac,
421 .vusb = &omap4_panda_vusb,
422 .vaux1 = &omap4_panda_vaux1,
423 .vaux2 = &omap4_panda_vaux2,
424 .vaux3 = &omap4_panda_vaux3,
425 .usb = &omap4_usbphy_data,
428 static struct i2c_board_info __initdata omap4_panda_i2c_boardinfo[] = {
430 I2C_BOARD_INFO("twl6030", 0x48),
431 .flags = I2C_CLIENT_WAKE,
432 .irq = OMAP44XX_IRQ_SYS_1N,
433 .platform_data = &omap4_panda_twldata,
436 static int __init omap4_panda_i2c_init(void)
439 * Phoenix Audio IC needs I2C1 to
440 * start with 400 KHz or less
442 omap_register_i2c_bus(1, 400, omap4_panda_i2c_boardinfo,
443 ARRAY_SIZE(omap4_panda_i2c_boardinfo));
444 omap_register_i2c_bus(2, 400, NULL, 0);
445 omap_register_i2c_bus(3, 400, NULL, 0);
446 omap_register_i2c_bus(4, 400, NULL, 0);
450 #ifdef CONFIG_OMAP_MUX
451 static struct omap_board_mux board_mux[] __initdata = {
452 /* WLAN IRQ - GPIO 53 */
453 OMAP4_MUX(GPMC_NCS3, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
454 /* WLAN POWER ENABLE - GPIO 43 */
455 OMAP4_MUX(GPMC_A19, OMAP_MUX_MODE3 | OMAP_PIN_OUTPUT),
456 /* WLAN SDIO: MMC5 CMD */
457 OMAP4_MUX(SDMMC5_CMD, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
458 /* WLAN SDIO: MMC5 CLK */
459 OMAP4_MUX(SDMMC5_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
460 /* WLAN SDIO: MMC5 DAT[0-3] */
461 OMAP4_MUX(SDMMC5_DAT0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
462 OMAP4_MUX(SDMMC5_DAT1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
463 OMAP4_MUX(SDMMC5_DAT2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
464 OMAP4_MUX(SDMMC5_DAT3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
465 { .reg_offset = OMAP_MUX_TERMINATOR },
468 static struct omap_device_pad serial2_pads[] __initdata = {
469 OMAP_MUX_STATIC("uart2_cts.uart2_cts",
470 OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0),
471 OMAP_MUX_STATIC("uart2_rts.uart2_rts",
472 OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
473 OMAP_MUX_STATIC("uart2_rx.uart2_rx",
474 OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0),
475 OMAP_MUX_STATIC("uart2_tx.uart2_tx",
476 OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
479 static struct omap_device_pad serial3_pads[] __initdata = {
480 OMAP_MUX_STATIC("uart3_cts_rctx.uart3_cts_rctx",
481 OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0),
482 OMAP_MUX_STATIC("uart3_rts_sd.uart3_rts_sd",
483 OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
484 OMAP_MUX_STATIC("uart3_rx_irrx.uart3_rx_irrx",
485 OMAP_PIN_INPUT | OMAP_MUX_MODE0),
486 OMAP_MUX_STATIC("uart3_tx_irtx.uart3_tx_irtx",
487 OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
490 static struct omap_device_pad serial4_pads[] __initdata = {
491 OMAP_MUX_STATIC("uart4_rx.uart4_rx",
492 OMAP_PIN_INPUT | OMAP_MUX_MODE0),
493 OMAP_MUX_STATIC("uart4_tx.uart4_tx",
494 OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
497 static struct omap_board_data serial2_data = {
499 .pads = serial2_pads,
500 .pads_cnt = ARRAY_SIZE(serial2_pads),
503 static struct omap_board_data serial3_data = {
505 .pads = serial3_pads,
506 .pads_cnt = ARRAY_SIZE(serial3_pads),
509 static struct omap_board_data serial4_data = {
511 .pads = serial4_pads,
512 .pads_cnt = ARRAY_SIZE(serial4_pads),
515 static inline void board_serial_init(void)
517 struct omap_board_data bdata;
522 /* pass dummy data for UART1 */
523 omap_serial_init_port(&bdata);
525 omap_serial_init_port(&serial2_data);
526 omap_serial_init_port(&serial3_data);
527 omap_serial_init_port(&serial4_data);
530 #define board_mux NULL
532 static inline void board_serial_init(void)
538 static void __init omap4_panda_init(void)
540 int package = OMAP_PACKAGE_CBS;
542 if (omap_rev() == OMAP4430_REV_ES1_0)
543 package = OMAP_PACKAGE_CBL;
544 omap4_mux_init(board_mux, package);
546 if (wl12xx_set_platform_data(&omap_panda_wlan_data))
547 pr_err("error setting wl12xx data\n");
549 omap4_panda_i2c_init();
550 platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices));
551 platform_device_register(&omap_vwlan_device);
553 omap4_twl6030_hsmmc_init(mmc);
555 usb_musb_init(&musb_board_data);
558 static void __init omap4_panda_map_io(void)
560 omap2_set_globals_443x();
561 omap44xx_map_common_io();
564 MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board")
565 /* Maintainer: David Anders - Texas Instruments Inc */
566 .boot_params = 0x80000100,
567 .reserve = omap_reserve,
568 .map_io = omap4_panda_map_io,
569 .init_early = omap4_panda_init_early,
570 .init_irq = gic_init_irq,
571 .init_machine = omap4_panda_init,
572 .timer = &omap_timer,