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_early(void)
81 omap2_init_common_infrastructure();
82 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)
98 struct clk *phy_ref_clk;
100 /* FREF_CLK3 provides the 19.2 MHz reference clock to the PHY */
101 phy_ref_clk = clk_get(NULL, "auxclk3_ck");
102 if (IS_ERR(phy_ref_clk)) {
103 pr_err("Cannot request auxclk3\n");
106 clk_set_rate(phy_ref_clk, 19200000);
107 clk_enable(phy_ref_clk);
109 /* disable the power to the usb hub prior to init */
110 ret = gpio_request(GPIO_HUB_POWER, "hub_power");
112 pr_err("Cannot request GPIO %d\n", GPIO_HUB_POWER);
115 gpio_export(GPIO_HUB_POWER, 0);
116 gpio_direction_output(GPIO_HUB_POWER, 0);
117 gpio_set_value(GPIO_HUB_POWER, 0);
120 ret = gpio_request(GPIO_HUB_NRESET, "hub_nreset");
122 pr_err("Cannot request GPIO %d\n", GPIO_HUB_NRESET);
125 gpio_export(GPIO_HUB_NRESET, 0);
126 gpio_direction_output(GPIO_HUB_NRESET, 0);
127 gpio_set_value(GPIO_HUB_NRESET, 0);
128 gpio_set_value(GPIO_HUB_NRESET, 1);
130 usb_ehci_init(&ehci_pdata);
132 /* enable power to hub */
133 gpio_set_value(GPIO_HUB_POWER, 1);
137 gpio_free(GPIO_HUB_POWER);
139 pr_err("Unable to initialize EHCI power/reset\n");
144 static struct omap_musb_board_data musb_board_data = {
145 .interface_type = MUSB_INTERFACE_UTMI,
150 static struct twl4030_usb_data omap4_usbphy_data = {
151 .phy_init = omap4430_phy_init,
152 .phy_exit = omap4430_phy_exit,
153 .phy_power = omap4430_phy_power,
154 .phy_set_clock = omap4430_phy_set_clk,
157 static struct omap2_hsmmc_info mmc[] = {
160 .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
167 static struct regulator_consumer_supply omap4_panda_vmmc_supply[] = {
170 .dev_name = "mmci-omap-hs.0",
174 static int omap4_twl6030_hsmmc_late_init(struct device *dev)
177 struct platform_device *pdev = container_of(dev,
178 struct platform_device, dev);
179 struct omap_mmc_platform_data *pdata = dev->platform_data;
182 dev_err(dev, "%s: NULL platform data\n", __func__);
185 /* Setting MMC1 Card detect Irq */
187 ret = twl6030_mmc_card_detect_config();
189 dev_err(dev, "%s: Error card detect config(%d)\n",
192 pdata->slots[0].card_detect = twl6030_mmc_card_detect;
197 static __init void omap4_twl6030_hsmmc_set_late_init(struct device *dev)
199 struct omap_mmc_platform_data *pdata;
201 /* dev can be null if CONFIG_MMC_OMAP_HS is not set */
203 pr_err("Failed omap4_twl6030_hsmmc_set_late_init\n");
206 pdata = dev->platform_data;
208 pdata->init = omap4_twl6030_hsmmc_late_init;
211 static int __init omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers)
213 struct omap2_hsmmc_info *c;
215 omap2_hsmmc_init(controllers);
216 for (c = controllers; c->mmc; c++)
217 omap4_twl6030_hsmmc_set_late_init(c->dev);
222 static struct regulator_init_data omap4_panda_vaux1 = {
227 .valid_modes_mask = REGULATOR_MODE_NORMAL
228 | REGULATOR_MODE_STANDBY,
229 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
230 | REGULATOR_CHANGE_MODE
231 | REGULATOR_CHANGE_STATUS,
235 static struct regulator_init_data omap4_panda_vaux2 = {
240 .valid_modes_mask = REGULATOR_MODE_NORMAL
241 | REGULATOR_MODE_STANDBY,
242 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
243 | REGULATOR_CHANGE_MODE
244 | REGULATOR_CHANGE_STATUS,
248 static struct regulator_init_data omap4_panda_vaux3 = {
253 .valid_modes_mask = REGULATOR_MODE_NORMAL
254 | REGULATOR_MODE_STANDBY,
255 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
256 | REGULATOR_CHANGE_MODE
257 | REGULATOR_CHANGE_STATUS,
261 /* VMMC1 for MMC1 card */
262 static struct regulator_init_data omap4_panda_vmmc = {
267 .valid_modes_mask = REGULATOR_MODE_NORMAL
268 | REGULATOR_MODE_STANDBY,
269 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
270 | REGULATOR_CHANGE_MODE
271 | REGULATOR_CHANGE_STATUS,
273 .num_consumer_supplies = 1,
274 .consumer_supplies = omap4_panda_vmmc_supply,
277 static struct regulator_init_data omap4_panda_vpp = {
282 .valid_modes_mask = REGULATOR_MODE_NORMAL
283 | REGULATOR_MODE_STANDBY,
284 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
285 | REGULATOR_CHANGE_MODE
286 | REGULATOR_CHANGE_STATUS,
290 static struct regulator_init_data omap4_panda_vusim = {
295 .valid_modes_mask = REGULATOR_MODE_NORMAL
296 | REGULATOR_MODE_STANDBY,
297 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
298 | REGULATOR_CHANGE_MODE
299 | REGULATOR_CHANGE_STATUS,
303 static struct regulator_init_data omap4_panda_vana = {
308 .valid_modes_mask = REGULATOR_MODE_NORMAL
309 | REGULATOR_MODE_STANDBY,
310 .valid_ops_mask = REGULATOR_CHANGE_MODE
311 | REGULATOR_CHANGE_STATUS,
315 static struct regulator_init_data omap4_panda_vcxio = {
320 .valid_modes_mask = REGULATOR_MODE_NORMAL
321 | REGULATOR_MODE_STANDBY,
322 .valid_ops_mask = REGULATOR_CHANGE_MODE
323 | REGULATOR_CHANGE_STATUS,
327 static struct regulator_init_data omap4_panda_vdac = {
332 .valid_modes_mask = REGULATOR_MODE_NORMAL
333 | REGULATOR_MODE_STANDBY,
334 .valid_ops_mask = REGULATOR_CHANGE_MODE
335 | REGULATOR_CHANGE_STATUS,
339 static struct regulator_init_data omap4_panda_vusb = {
344 .valid_modes_mask = REGULATOR_MODE_NORMAL
345 | REGULATOR_MODE_STANDBY,
346 .valid_ops_mask = REGULATOR_CHANGE_MODE
347 | REGULATOR_CHANGE_STATUS,
351 static struct twl4030_platform_data omap4_panda_twldata = {
352 .irq_base = TWL6030_IRQ_BASE,
353 .irq_end = TWL6030_IRQ_END,
356 .vmmc = &omap4_panda_vmmc,
357 .vpp = &omap4_panda_vpp,
358 .vusim = &omap4_panda_vusim,
359 .vana = &omap4_panda_vana,
360 .vcxio = &omap4_panda_vcxio,
361 .vdac = &omap4_panda_vdac,
362 .vusb = &omap4_panda_vusb,
363 .vaux1 = &omap4_panda_vaux1,
364 .vaux2 = &omap4_panda_vaux2,
365 .vaux3 = &omap4_panda_vaux3,
366 .usb = &omap4_usbphy_data,
369 static struct i2c_board_info __initdata omap4_panda_i2c_boardinfo[] = {
371 I2C_BOARD_INFO("twl6030", 0x48),
372 .flags = I2C_CLIENT_WAKE,
373 .irq = OMAP44XX_IRQ_SYS_1N,
374 .platform_data = &omap4_panda_twldata,
377 static int __init omap4_panda_i2c_init(void)
380 * Phoenix Audio IC needs I2C1 to
381 * start with 400 KHz or less
383 omap_register_i2c_bus(1, 400, omap4_panda_i2c_boardinfo,
384 ARRAY_SIZE(omap4_panda_i2c_boardinfo));
385 omap_register_i2c_bus(2, 400, NULL, 0);
386 omap_register_i2c_bus(3, 400, NULL, 0);
387 omap_register_i2c_bus(4, 400, NULL, 0);
391 #ifdef CONFIG_OMAP_MUX
392 static struct omap_board_mux board_mux[] __initdata = {
393 { .reg_offset = OMAP_MUX_TERMINATOR },
396 #define board_mux NULL
399 static void __init omap4_panda_init(void)
401 int package = OMAP_PACKAGE_CBS;
403 if (omap_rev() == OMAP4430_REV_ES1_0)
404 package = OMAP_PACKAGE_CBL;
405 omap4_mux_init(board_mux, package);
407 omap4_panda_i2c_init();
408 platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices));
410 omap4_twl6030_hsmmc_init(mmc);
412 usb_musb_init(&musb_board_data);
415 static void __init omap4_panda_map_io(void)
417 omap2_set_globals_443x();
418 omap44xx_map_common_io();
421 MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board")
422 /* Maintainer: David Anders - Texas Instruments Inc */
423 .boot_params = 0x80000100,
424 .reserve = omap_reserve,
425 .map_io = omap4_panda_map_io,
426 .init_early = omap4_panda_init_early,
427 .init_irq = gic_init_irq,
428 .init_machine = omap4_panda_init,
429 .timer = &omap_timer,