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>
44 #define GPIO_HUB_POWER 1
45 #define GPIO_HUB_NRESET 62
47 static struct gpio_led gpio_leds
[] = {
49 .name
= "pandaboard::status1",
50 .default_trigger
= "heartbeat",
54 .name
= "pandaboard::status2",
55 .default_trigger
= "mmc0",
60 static struct gpio_led_platform_data gpio_led_info
= {
62 .num_leds
= ARRAY_SIZE(gpio_leds
),
65 static struct platform_device leds_gpio
= {
69 .platform_data
= &gpio_led_info
,
73 static struct platform_device
*panda_devices
[] __initdata
= {
77 static void __init
omap4_panda_init_irq(void)
79 omap2_init_common_hw(NULL
, NULL
);
84 static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst
= {
85 .port_mode
[0] = EHCI_HCD_OMAP_MODE_PHY
,
86 .port_mode
[1] = EHCI_HCD_OMAP_MODE_UNKNOWN
,
87 .port_mode
[2] = EHCI_HCD_OMAP_MODE_UNKNOWN
,
89 .reset_gpio_port
[0] = -EINVAL
,
90 .reset_gpio_port
[1] = -EINVAL
,
91 .reset_gpio_port
[2] = -EINVAL
94 static void __init
omap4_ehci_init(void)
99 /* disable the power to the usb hub prior to init */
100 ret
= gpio_request(GPIO_HUB_POWER
, "hub_power");
102 pr_err("Cannot request GPIO %d\n", GPIO_HUB_POWER
);
105 gpio_export(GPIO_HUB_POWER
, 0);
106 gpio_direction_output(GPIO_HUB_POWER
, 0);
107 gpio_set_value(GPIO_HUB_POWER
, 0);
110 ret
= gpio_request(GPIO_HUB_NRESET
, "hub_nreset");
112 pr_err("Cannot request GPIO %d\n", GPIO_HUB_NRESET
);
115 gpio_export(GPIO_HUB_NRESET
, 0);
116 gpio_direction_output(GPIO_HUB_NRESET
, 0);
117 gpio_set_value(GPIO_HUB_NRESET
, 0);
118 gpio_set_value(GPIO_HUB_NRESET
, 1);
120 usb_ehci_init(&ehci_pdata
);
122 /* enable power to hub */
123 gpio_set_value(GPIO_HUB_POWER
, 1);
127 gpio_free(GPIO_HUB_POWER
);
129 pr_err("Unable to initialize EHCI power/reset\n");
134 static struct omap_musb_board_data musb_board_data
= {
135 .interface_type
= MUSB_INTERFACE_UTMI
,
136 .mode
= MUSB_PERIPHERAL
,
140 static struct omap2_hsmmc_info mmc
[] = {
143 .caps
= MMC_CAP_4_BIT_DATA
| MMC_CAP_8_BIT_DATA
,
149 static struct regulator_consumer_supply omap4_panda_vmmc_supply
[] = {
152 .dev_name
= "mmci-omap-hs.0",
156 static int omap4_twl6030_hsmmc_late_init(struct device
*dev
)
159 struct platform_device
*pdev
= container_of(dev
,
160 struct platform_device
, dev
);
161 struct omap_mmc_platform_data
*pdata
= dev
->platform_data
;
163 /* Setting MMC1 Card detect Irq */
165 pdata
->slots
[0].card_detect_irq
= TWL6030_IRQ_BASE
+
166 MMCDETECT_INTR_OFFSET
;
170 static __init
void omap4_twl6030_hsmmc_set_late_init(struct device
*dev
)
172 struct omap_mmc_platform_data
*pdata
;
174 /* dev can be null if CONFIG_MMC_OMAP_HS is not set */
176 pr_err("Failed omap4_twl6030_hsmmc_set_late_init\n");
179 pdata
= dev
->platform_data
;
181 pdata
->init
= omap4_twl6030_hsmmc_late_init
;
184 static int __init
omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info
*controllers
)
186 struct omap2_hsmmc_info
*c
;
188 omap2_hsmmc_init(controllers
);
189 for (c
= controllers
; c
->mmc
; c
++)
190 omap4_twl6030_hsmmc_set_late_init(c
->dev
);
195 static struct regulator_init_data omap4_panda_vaux1
= {
200 .valid_modes_mask
= REGULATOR_MODE_NORMAL
201 | REGULATOR_MODE_STANDBY
,
202 .valid_ops_mask
= REGULATOR_CHANGE_VOLTAGE
203 | REGULATOR_CHANGE_MODE
204 | REGULATOR_CHANGE_STATUS
,
208 static struct regulator_init_data omap4_panda_vaux2
= {
213 .valid_modes_mask
= REGULATOR_MODE_NORMAL
214 | REGULATOR_MODE_STANDBY
,
215 .valid_ops_mask
= REGULATOR_CHANGE_VOLTAGE
216 | REGULATOR_CHANGE_MODE
217 | REGULATOR_CHANGE_STATUS
,
221 static struct regulator_init_data omap4_panda_vaux3
= {
226 .valid_modes_mask
= REGULATOR_MODE_NORMAL
227 | REGULATOR_MODE_STANDBY
,
228 .valid_ops_mask
= REGULATOR_CHANGE_VOLTAGE
229 | REGULATOR_CHANGE_MODE
230 | REGULATOR_CHANGE_STATUS
,
234 /* VMMC1 for MMC1 card */
235 static struct regulator_init_data omap4_panda_vmmc
= {
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
,
246 .num_consumer_supplies
= 1,
247 .consumer_supplies
= omap4_panda_vmmc_supply
,
250 static struct regulator_init_data omap4_panda_vpp
= {
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 static struct regulator_init_data omap4_panda_vusim
= {
268 .valid_modes_mask
= REGULATOR_MODE_NORMAL
269 | REGULATOR_MODE_STANDBY
,
270 .valid_ops_mask
= REGULATOR_CHANGE_VOLTAGE
271 | REGULATOR_CHANGE_MODE
272 | REGULATOR_CHANGE_STATUS
,
276 static struct regulator_init_data omap4_panda_vana
= {
281 .valid_modes_mask
= REGULATOR_MODE_NORMAL
282 | REGULATOR_MODE_STANDBY
,
283 .valid_ops_mask
= REGULATOR_CHANGE_MODE
284 | REGULATOR_CHANGE_STATUS
,
288 static struct regulator_init_data omap4_panda_vcxio
= {
293 .valid_modes_mask
= REGULATOR_MODE_NORMAL
294 | REGULATOR_MODE_STANDBY
,
295 .valid_ops_mask
= REGULATOR_CHANGE_MODE
296 | REGULATOR_CHANGE_STATUS
,
300 static struct regulator_init_data omap4_panda_vdac
= {
305 .valid_modes_mask
= REGULATOR_MODE_NORMAL
306 | REGULATOR_MODE_STANDBY
,
307 .valid_ops_mask
= REGULATOR_CHANGE_MODE
308 | REGULATOR_CHANGE_STATUS
,
312 static struct regulator_init_data omap4_panda_vusb
= {
317 .valid_modes_mask
= REGULATOR_MODE_NORMAL
318 | REGULATOR_MODE_STANDBY
,
319 .valid_ops_mask
= REGULATOR_CHANGE_MODE
320 | REGULATOR_CHANGE_STATUS
,
324 static struct twl4030_platform_data omap4_panda_twldata
= {
325 .irq_base
= TWL6030_IRQ_BASE
,
326 .irq_end
= TWL6030_IRQ_END
,
329 .vmmc
= &omap4_panda_vmmc
,
330 .vpp
= &omap4_panda_vpp
,
331 .vusim
= &omap4_panda_vusim
,
332 .vana
= &omap4_panda_vana
,
333 .vcxio
= &omap4_panda_vcxio
,
334 .vdac
= &omap4_panda_vdac
,
335 .vusb
= &omap4_panda_vusb
,
336 .vaux1
= &omap4_panda_vaux1
,
337 .vaux2
= &omap4_panda_vaux2
,
338 .vaux3
= &omap4_panda_vaux3
,
341 static struct i2c_board_info __initdata omap4_panda_i2c_boardinfo
[] = {
343 I2C_BOARD_INFO("twl6030", 0x48),
344 .flags
= I2C_CLIENT_WAKE
,
345 .irq
= OMAP44XX_IRQ_SYS_1N
,
346 .platform_data
= &omap4_panda_twldata
,
349 static int __init
omap4_panda_i2c_init(void)
352 * Phoenix Audio IC needs I2C1 to
353 * start with 400 KHz or less
355 omap_register_i2c_bus(1, 400, omap4_panda_i2c_boardinfo
,
356 ARRAY_SIZE(omap4_panda_i2c_boardinfo
));
357 omap_register_i2c_bus(2, 400, NULL
, 0);
358 omap_register_i2c_bus(3, 400, NULL
, 0);
359 omap_register_i2c_bus(4, 400, NULL
, 0);
362 static void __init
omap4_panda_init(void)
364 omap4_panda_i2c_init();
365 platform_add_devices(panda_devices
, ARRAY_SIZE(panda_devices
));
367 omap4_twl6030_hsmmc_init(mmc
);
368 /* OMAP4 Panda uses internal transceiver so register nop transceiver */
369 usb_nop_xceiv_register();
371 /* FIXME: allow multi-omap to boot until musb is updated for omap4 */
372 if (!cpu_is_omap44xx())
373 usb_musb_init(&musb_board_data
);
376 static void __init
omap4_panda_map_io(void)
378 omap2_set_globals_443x();
379 omap44xx_map_common_io();
382 MACHINE_START(OMAP4_PANDA
, "OMAP4 Panda board")
383 /* Maintainer: David Anders - Texas Instruments Inc */
384 .boot_params
= 0x80000100,
385 .map_io
= omap4_panda_map_io
,
386 .init_irq
= omap4_panda_init_irq
,
387 .init_machine
= omap4_panda_init
,
388 .timer
= &omap_timer
,