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>
30 #include <mach/hardware.h>
31 #include <mach/omap4-common.h>
32 #include <asm/mach-types.h>
33 #include <asm/mach/arch.h>
34 #include <asm/mach/map.h>
36 #include <plat/board.h>
37 #include <plat/common.h>
46 #define GPIO_HUB_POWER 1
47 #define GPIO_HUB_NRESET 62
49 static struct gpio_led gpio_leds[] = {
51 .name = "pandaboard::status1",
52 .default_trigger = "heartbeat",
56 .name = "pandaboard::status2",
57 .default_trigger = "mmc0",
62 static struct gpio_led_platform_data gpio_led_info = {
64 .num_leds = ARRAY_SIZE(gpio_leds),
67 static struct platform_device leds_gpio = {
71 .platform_data = &gpio_led_info,
75 static struct platform_device *panda_devices[] __initdata = {
79 static void __init omap4_panda_init_irq(void)
81 omap2_init_common_infrastructure();
82 omap2_init_common_devices(NULL, NULL);
86 static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
87 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
88 .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
89 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
91 .reset_gpio_port[0] = -EINVAL,
92 .reset_gpio_port[1] = -EINVAL,
93 .reset_gpio_port[2] = -EINVAL
96 static void __init omap4_ehci_init(void)
99 struct clk *phy_ref_clk;
101 /* FREF_CLK3 provides the 19.2 MHz reference clock to the PHY */
102 phy_ref_clk = clk_get(NULL, "auxclk3_ck");
103 if (IS_ERR(phy_ref_clk)) {
104 pr_err("Cannot request auxclk3\n");
107 clk_set_rate(phy_ref_clk, 19200000);
108 clk_enable(phy_ref_clk);
110 /* disable the power to the usb hub prior to init */
111 ret = gpio_request(GPIO_HUB_POWER, "hub_power");
113 pr_err("Cannot request GPIO %d\n", GPIO_HUB_POWER);
116 gpio_export(GPIO_HUB_POWER, 0);
117 gpio_direction_output(GPIO_HUB_POWER, 0);
118 gpio_set_value(GPIO_HUB_POWER, 0);
121 ret = gpio_request(GPIO_HUB_NRESET, "hub_nreset");
123 pr_err("Cannot request GPIO %d\n", GPIO_HUB_NRESET);
126 gpio_export(GPIO_HUB_NRESET, 0);
127 gpio_direction_output(GPIO_HUB_NRESET, 0);
128 gpio_set_value(GPIO_HUB_NRESET, 0);
129 gpio_set_value(GPIO_HUB_NRESET, 1);
131 usbhs_init(&usbhs_bdata);
133 /* enable power to hub */
134 gpio_set_value(GPIO_HUB_POWER, 1);
138 gpio_free(GPIO_HUB_POWER);
140 pr_err("Unable to initialize EHCI power/reset\n");
145 static struct omap_musb_board_data musb_board_data = {
146 .interface_type = MUSB_INTERFACE_UTMI,
151 static struct twl4030_usb_data omap4_usbphy_data = {
152 .phy_init = omap4430_phy_init,
153 .phy_exit = omap4430_phy_exit,
154 .phy_power = omap4430_phy_power,
155 .phy_set_clock = omap4430_phy_set_clk,
156 .phy_suspend = omap4430_phy_suspend,
159 static struct omap2_hsmmc_info mmc[] = {
162 .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
169 static struct regulator_consumer_supply omap4_panda_vmmc_supply[] = {
172 .dev_name = "mmci-omap-hs.0",
176 static int omap4_twl6030_hsmmc_late_init(struct device *dev)
179 struct platform_device *pdev = container_of(dev,
180 struct platform_device, dev);
181 struct omap_mmc_platform_data *pdata = dev->platform_data;
184 dev_err(dev, "%s: NULL platform data\n", __func__);
187 /* Setting MMC1 Card detect Irq */
189 ret = twl6030_mmc_card_detect_config();
191 dev_err(dev, "%s: Error card detect config(%d)\n",
194 pdata->slots[0].card_detect = twl6030_mmc_card_detect;
199 static __init void omap4_twl6030_hsmmc_set_late_init(struct device *dev)
201 struct omap_mmc_platform_data *pdata;
203 /* dev can be null if CONFIG_MMC_OMAP_HS is not set */
205 pr_err("Failed omap4_twl6030_hsmmc_set_late_init\n");
208 pdata = dev->platform_data;
210 pdata->init = omap4_twl6030_hsmmc_late_init;
213 static int __init omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers)
215 struct omap2_hsmmc_info *c;
217 omap2_hsmmc_init(controllers);
218 for (c = controllers; c->mmc; c++)
219 omap4_twl6030_hsmmc_set_late_init(c->dev);
224 static struct regulator_init_data omap4_panda_vaux1 = {
229 .valid_modes_mask = REGULATOR_MODE_NORMAL
230 | REGULATOR_MODE_STANDBY,
231 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
232 | REGULATOR_CHANGE_MODE
233 | REGULATOR_CHANGE_STATUS,
237 static struct regulator_init_data omap4_panda_vaux2 = {
242 .valid_modes_mask = REGULATOR_MODE_NORMAL
243 | REGULATOR_MODE_STANDBY,
244 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
245 | REGULATOR_CHANGE_MODE
246 | REGULATOR_CHANGE_STATUS,
250 static struct regulator_init_data omap4_panda_vaux3 = {
255 .valid_modes_mask = REGULATOR_MODE_NORMAL
256 | REGULATOR_MODE_STANDBY,
257 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
258 | REGULATOR_CHANGE_MODE
259 | REGULATOR_CHANGE_STATUS,
263 /* VMMC1 for MMC1 card */
264 static struct regulator_init_data omap4_panda_vmmc = {
269 .valid_modes_mask = REGULATOR_MODE_NORMAL
270 | REGULATOR_MODE_STANDBY,
271 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
272 | REGULATOR_CHANGE_MODE
273 | REGULATOR_CHANGE_STATUS,
275 .num_consumer_supplies = 1,
276 .consumer_supplies = omap4_panda_vmmc_supply,
279 static struct regulator_init_data omap4_panda_vpp = {
284 .valid_modes_mask = REGULATOR_MODE_NORMAL
285 | REGULATOR_MODE_STANDBY,
286 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
287 | REGULATOR_CHANGE_MODE
288 | REGULATOR_CHANGE_STATUS,
292 static struct regulator_init_data omap4_panda_vusim = {
297 .valid_modes_mask = REGULATOR_MODE_NORMAL
298 | REGULATOR_MODE_STANDBY,
299 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
300 | REGULATOR_CHANGE_MODE
301 | REGULATOR_CHANGE_STATUS,
305 static struct regulator_init_data omap4_panda_vana = {
310 .valid_modes_mask = REGULATOR_MODE_NORMAL
311 | REGULATOR_MODE_STANDBY,
312 .valid_ops_mask = REGULATOR_CHANGE_MODE
313 | REGULATOR_CHANGE_STATUS,
317 static struct regulator_init_data omap4_panda_vcxio = {
322 .valid_modes_mask = REGULATOR_MODE_NORMAL
323 | REGULATOR_MODE_STANDBY,
324 .valid_ops_mask = REGULATOR_CHANGE_MODE
325 | REGULATOR_CHANGE_STATUS,
329 static struct regulator_init_data omap4_panda_vdac = {
334 .valid_modes_mask = REGULATOR_MODE_NORMAL
335 | REGULATOR_MODE_STANDBY,
336 .valid_ops_mask = REGULATOR_CHANGE_MODE
337 | REGULATOR_CHANGE_STATUS,
341 static struct regulator_init_data omap4_panda_vusb = {
346 .valid_modes_mask = REGULATOR_MODE_NORMAL
347 | REGULATOR_MODE_STANDBY,
348 .valid_ops_mask = REGULATOR_CHANGE_MODE
349 | REGULATOR_CHANGE_STATUS,
353 static struct twl4030_platform_data omap4_panda_twldata = {
354 .irq_base = TWL6030_IRQ_BASE,
355 .irq_end = TWL6030_IRQ_END,
358 .vmmc = &omap4_panda_vmmc,
359 .vpp = &omap4_panda_vpp,
360 .vusim = &omap4_panda_vusim,
361 .vana = &omap4_panda_vana,
362 .vcxio = &omap4_panda_vcxio,
363 .vdac = &omap4_panda_vdac,
364 .vusb = &omap4_panda_vusb,
365 .vaux1 = &omap4_panda_vaux1,
366 .vaux2 = &omap4_panda_vaux2,
367 .vaux3 = &omap4_panda_vaux3,
368 .usb = &omap4_usbphy_data,
371 static struct i2c_board_info __initdata omap4_panda_i2c_boardinfo[] = {
373 I2C_BOARD_INFO("twl6030", 0x48),
374 .flags = I2C_CLIENT_WAKE,
375 .irq = OMAP44XX_IRQ_SYS_1N,
376 .platform_data = &omap4_panda_twldata,
379 static int __init omap4_panda_i2c_init(void)
382 * Phoenix Audio IC needs I2C1 to
383 * start with 400 KHz or less
385 omap_register_i2c_bus(1, 400, omap4_panda_i2c_boardinfo,
386 ARRAY_SIZE(omap4_panda_i2c_boardinfo));
387 omap_register_i2c_bus(2, 400, NULL, 0);
388 omap_register_i2c_bus(3, 400, NULL, 0);
389 omap_register_i2c_bus(4, 400, NULL, 0);
393 #ifdef CONFIG_OMAP_MUX
394 static struct omap_board_mux board_mux[] __initdata = {
395 { .reg_offset = OMAP_MUX_TERMINATOR },
398 #define board_mux NULL
401 static void __init omap4_panda_init(void)
403 int package = OMAP_PACKAGE_CBS;
405 if (omap_rev() == OMAP4430_REV_ES1_0)
406 package = OMAP_PACKAGE_CBL;
407 omap4_mux_init(board_mux, package);
409 omap4_panda_i2c_init();
410 platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices));
412 omap4_twl6030_hsmmc_init(mmc);
414 usb_musb_init(&musb_board_data);
417 static void __init omap4_panda_map_io(void)
419 omap2_set_globals_443x();
420 omap44xx_map_common_io();
423 MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board")
424 /* Maintainer: David Anders - Texas Instruments Inc */
425 .boot_params = 0x80000100,
426 .reserve = omap_reserve,
427 .map_io = omap4_panda_map_io,
428 .init_irq = omap4_panda_init_irq,
429 .init_machine = omap4_panda_init,
430 .timer = &omap_timer,