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 ehci_hcd_omap_platform_data ehci_pdata __initconst = {
101 .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
102 .port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN,
103 .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
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 usb_ehci_init(&ehci_pdata);
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,
172 static struct omap2_hsmmc_info mmc[] = {
175 .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
182 .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
185 .ocr_mask = MMC_VDD_165_195,
186 .nonremovable = true,
191 static struct regulator_consumer_supply omap4_panda_vmmc_supply[] = {
194 .dev_name = "omap_hsmmc.0",
198 static struct regulator_consumer_supply omap4_panda_vmmc5_supply = {
200 .dev_name = "omap_hsmmc.4",
203 static struct regulator_init_data panda_vmmc5 = {
205 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
207 .num_consumer_supplies = 1,
208 .consumer_supplies = &omap4_panda_vmmc5_supply,
211 static struct fixed_voltage_config panda_vwlan = {
212 .supply_name = "vwl1271",
213 .microvolts = 1800000, /* 1.8V */
214 .gpio = GPIO_WIFI_PMENA,
215 .startup_delay = 70000, /* 70msec */
217 .enabled_at_boot = 0,
218 .init_data = &panda_vmmc5,
221 static struct platform_device omap_vwlan_device = {
222 .name = "reg-fixed-voltage",
225 .platform_data = &panda_vwlan,
229 struct wl12xx_platform_data omap_panda_wlan_data __initdata = {
230 .irq = OMAP_GPIO_IRQ(GPIO_WIFI_IRQ),
231 /* PANDA ref clock is 38.4 MHz */
232 .board_ref_clock = 2,
235 static int omap4_twl6030_hsmmc_late_init(struct device *dev)
238 struct platform_device *pdev = container_of(dev,
239 struct platform_device, dev);
240 struct omap_mmc_platform_data *pdata = dev->platform_data;
243 dev_err(dev, "%s: NULL platform data\n", __func__);
246 /* Setting MMC1 Card detect Irq */
248 ret = twl6030_mmc_card_detect_config();
250 dev_err(dev, "%s: Error card detect config(%d)\n",
253 pdata->slots[0].card_detect = twl6030_mmc_card_detect;
258 static __init void omap4_twl6030_hsmmc_set_late_init(struct device *dev)
260 struct omap_mmc_platform_data *pdata;
262 /* dev can be null if CONFIG_MMC_OMAP_HS is not set */
264 pr_err("Failed omap4_twl6030_hsmmc_set_late_init\n");
267 pdata = dev->platform_data;
269 pdata->init = omap4_twl6030_hsmmc_late_init;
272 static int __init omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers)
274 struct omap2_hsmmc_info *c;
276 omap2_hsmmc_init(controllers);
277 for (c = controllers; c->mmc; c++)
278 omap4_twl6030_hsmmc_set_late_init(c->dev);
283 static struct regulator_init_data omap4_panda_vaux2 = {
288 .valid_modes_mask = REGULATOR_MODE_NORMAL
289 | REGULATOR_MODE_STANDBY,
290 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
291 | REGULATOR_CHANGE_MODE
292 | REGULATOR_CHANGE_STATUS,
296 static struct regulator_init_data omap4_panda_vaux3 = {
301 .valid_modes_mask = REGULATOR_MODE_NORMAL
302 | REGULATOR_MODE_STANDBY,
303 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
304 | REGULATOR_CHANGE_MODE
305 | REGULATOR_CHANGE_STATUS,
309 /* VMMC1 for MMC1 card */
310 static struct regulator_init_data omap4_panda_vmmc = {
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,
321 .num_consumer_supplies = 1,
322 .consumer_supplies = omap4_panda_vmmc_supply,
325 static struct regulator_init_data omap4_panda_vpp = {
330 .valid_modes_mask = REGULATOR_MODE_NORMAL
331 | REGULATOR_MODE_STANDBY,
332 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
333 | REGULATOR_CHANGE_MODE
334 | REGULATOR_CHANGE_STATUS,
338 static struct regulator_init_data omap4_panda_vana = {
342 .valid_modes_mask = REGULATOR_MODE_NORMAL
343 | REGULATOR_MODE_STANDBY,
344 .valid_ops_mask = REGULATOR_CHANGE_MODE
345 | REGULATOR_CHANGE_STATUS,
349 static struct regulator_init_data omap4_panda_vcxio = {
353 .valid_modes_mask = REGULATOR_MODE_NORMAL
354 | REGULATOR_MODE_STANDBY,
355 .valid_ops_mask = REGULATOR_CHANGE_MODE
356 | REGULATOR_CHANGE_STATUS,
360 static struct regulator_init_data omap4_panda_vdac = {
364 .valid_modes_mask = REGULATOR_MODE_NORMAL
365 | REGULATOR_MODE_STANDBY,
366 .valid_ops_mask = REGULATOR_CHANGE_MODE
367 | REGULATOR_CHANGE_STATUS,
371 static struct regulator_init_data omap4_panda_vusb = {
376 .valid_modes_mask = REGULATOR_MODE_NORMAL
377 | REGULATOR_MODE_STANDBY,
378 .valid_ops_mask = REGULATOR_CHANGE_MODE
379 | REGULATOR_CHANGE_STATUS,
383 static struct twl4030_platform_data omap4_panda_twldata = {
384 .irq_base = TWL6030_IRQ_BASE,
385 .irq_end = TWL6030_IRQ_END,
388 .vmmc = &omap4_panda_vmmc,
389 .vpp = &omap4_panda_vpp,
390 .vana = &omap4_panda_vana,
391 .vcxio = &omap4_panda_vcxio,
392 .vdac = &omap4_panda_vdac,
393 .vusb = &omap4_panda_vusb,
394 .vaux2 = &omap4_panda_vaux2,
395 .vaux3 = &omap4_panda_vaux3,
396 .usb = &omap4_usbphy_data,
399 static struct i2c_board_info __initdata omap4_panda_i2c_boardinfo[] = {
401 I2C_BOARD_INFO("twl6030", 0x48),
402 .flags = I2C_CLIENT_WAKE,
403 .irq = OMAP44XX_IRQ_SYS_1N,
404 .platform_data = &omap4_panda_twldata,
407 static int __init omap4_panda_i2c_init(void)
410 * Phoenix Audio IC needs I2C1 to
411 * start with 400 KHz or less
413 omap_register_i2c_bus(1, 400, omap4_panda_i2c_boardinfo,
414 ARRAY_SIZE(omap4_panda_i2c_boardinfo));
415 omap_register_i2c_bus(2, 400, NULL, 0);
416 omap_register_i2c_bus(3, 400, NULL, 0);
417 omap_register_i2c_bus(4, 400, NULL, 0);
421 #ifdef CONFIG_OMAP_MUX
422 static struct omap_board_mux board_mux[] __initdata = {
423 /* WLAN IRQ - GPIO 53 */
424 OMAP4_MUX(GPMC_NCS3, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
425 /* WLAN POWER ENABLE - GPIO 43 */
426 OMAP4_MUX(GPMC_A19, OMAP_MUX_MODE3 | OMAP_PIN_OUTPUT),
427 /* WLAN SDIO: MMC5 CMD */
428 OMAP4_MUX(SDMMC5_CMD, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
429 /* WLAN SDIO: MMC5 CLK */
430 OMAP4_MUX(SDMMC5_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
431 /* WLAN SDIO: MMC5 DAT[0-3] */
432 OMAP4_MUX(SDMMC5_DAT0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
433 OMAP4_MUX(SDMMC5_DAT1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
434 OMAP4_MUX(SDMMC5_DAT2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
435 OMAP4_MUX(SDMMC5_DAT3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
436 { .reg_offset = OMAP_MUX_TERMINATOR },
439 static struct omap_device_pad serial2_pads[] __initdata = {
440 OMAP_MUX_STATIC("uart2_cts.uart2_cts",
441 OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0),
442 OMAP_MUX_STATIC("uart2_rts.uart2_rts",
443 OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
444 OMAP_MUX_STATIC("uart2_rx.uart2_rx",
445 OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0),
446 OMAP_MUX_STATIC("uart2_tx.uart2_tx",
447 OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
450 static struct omap_device_pad serial3_pads[] __initdata = {
451 OMAP_MUX_STATIC("uart3_cts_rctx.uart3_cts_rctx",
452 OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0),
453 OMAP_MUX_STATIC("uart3_rts_sd.uart3_rts_sd",
454 OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
455 OMAP_MUX_STATIC("uart3_rx_irrx.uart3_rx_irrx",
456 OMAP_PIN_INPUT | OMAP_MUX_MODE0),
457 OMAP_MUX_STATIC("uart3_tx_irtx.uart3_tx_irtx",
458 OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
461 static struct omap_device_pad serial4_pads[] __initdata = {
462 OMAP_MUX_STATIC("uart4_rx.uart4_rx",
463 OMAP_PIN_INPUT | OMAP_MUX_MODE0),
464 OMAP_MUX_STATIC("uart4_tx.uart4_tx",
465 OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
468 static struct omap_board_data serial2_data = {
470 .pads = serial2_pads,
471 .pads_cnt = ARRAY_SIZE(serial2_pads),
474 static struct omap_board_data serial3_data = {
476 .pads = serial3_pads,
477 .pads_cnt = ARRAY_SIZE(serial3_pads),
480 static struct omap_board_data serial4_data = {
482 .pads = serial4_pads,
483 .pads_cnt = ARRAY_SIZE(serial4_pads),
486 static inline void board_serial_init(void)
488 struct omap_board_data bdata;
493 /* pass dummy data for UART1 */
494 omap_serial_init_port(&bdata);
496 omap_serial_init_port(&serial2_data);
497 omap_serial_init_port(&serial3_data);
498 omap_serial_init_port(&serial4_data);
501 #define board_mux NULL
503 static inline void board_serial_init(void)
509 static void __init omap4_panda_init(void)
511 int package = OMAP_PACKAGE_CBS;
513 if (omap_rev() == OMAP4430_REV_ES1_0)
514 package = OMAP_PACKAGE_CBL;
515 omap4_mux_init(board_mux, package);
517 if (wl12xx_set_platform_data(&omap_panda_wlan_data))
518 pr_err("error setting wl12xx data\n");
520 omap4_panda_i2c_init();
521 platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices));
522 platform_device_register(&omap_vwlan_device);
524 omap4_twl6030_hsmmc_init(mmc);
526 usb_musb_init(&musb_board_data);
529 static void __init omap4_panda_map_io(void)
531 omap2_set_globals_443x();
532 omap44xx_map_common_io();
535 MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board")
536 /* Maintainer: David Anders - Texas Instruments Inc */
537 .boot_params = 0x80000100,
538 .reserve = omap_reserve,
539 .map_io = omap4_panda_map_io,
540 .init_early = omap4_panda_init_early,
541 .init_irq = gic_init_irq,
542 .init_machine = omap4_panda_init,
543 .timer = &omap_timer,