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
,