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 static struct gpio_led gpio_leds
[] = {
55 .name
= "pandaboard::status1",
56 .default_trigger
= "heartbeat",
60 .name
= "pandaboard::status2",
61 .default_trigger
= "mmc0",
66 static struct gpio_led_platform_data gpio_led_info
= {
68 .num_leds
= ARRAY_SIZE(gpio_leds
),
71 static struct platform_device leds_gpio
= {
75 .platform_data
= &gpio_led_info
,
79 static struct platform_device
*panda_devices
[] __initdata
= {
83 static void __init
omap4_panda_init_early(void)
85 omap2_init_common_infrastructure();
86 omap2_init_common_devices(NULL
, NULL
);
89 static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst
= {
90 .port_mode
[0] = EHCI_HCD_OMAP_MODE_PHY
,
91 .port_mode
[1] = EHCI_HCD_OMAP_MODE_UNKNOWN
,
92 .port_mode
[2] = EHCI_HCD_OMAP_MODE_UNKNOWN
,
94 .reset_gpio_port
[0] = -EINVAL
,
95 .reset_gpio_port
[1] = -EINVAL
,
96 .reset_gpio_port
[2] = -EINVAL
99 static void __init
omap4_ehci_init(void)
102 struct clk
*phy_ref_clk
;
104 /* FREF_CLK3 provides the 19.2 MHz reference clock to the PHY */
105 phy_ref_clk
= clk_get(NULL
, "auxclk3_ck");
106 if (IS_ERR(phy_ref_clk
)) {
107 pr_err("Cannot request auxclk3\n");
110 clk_set_rate(phy_ref_clk
, 19200000);
111 clk_enable(phy_ref_clk
);
113 /* disable the power to the usb hub prior to init */
114 ret
= gpio_request(GPIO_HUB_POWER
, "hub_power");
116 pr_err("Cannot request GPIO %d\n", GPIO_HUB_POWER
);
119 gpio_export(GPIO_HUB_POWER
, 0);
120 gpio_direction_output(GPIO_HUB_POWER
, 0);
121 gpio_set_value(GPIO_HUB_POWER
, 0);
124 ret
= gpio_request(GPIO_HUB_NRESET
, "hub_nreset");
126 pr_err("Cannot request GPIO %d\n", GPIO_HUB_NRESET
);
129 gpio_export(GPIO_HUB_NRESET
, 0);
130 gpio_direction_output(GPIO_HUB_NRESET
, 0);
131 gpio_set_value(GPIO_HUB_NRESET
, 0);
132 gpio_set_value(GPIO_HUB_NRESET
, 1);
134 usb_ehci_init(&ehci_pdata
);
136 /* enable power to hub */
137 gpio_set_value(GPIO_HUB_POWER
, 1);
141 gpio_free(GPIO_HUB_POWER
);
143 pr_err("Unable to initialize EHCI power/reset\n");
148 static struct omap_musb_board_data musb_board_data
= {
149 .interface_type
= MUSB_INTERFACE_UTMI
,
154 static struct twl4030_usb_data omap4_usbphy_data
= {
155 .phy_init
= omap4430_phy_init
,
156 .phy_exit
= omap4430_phy_exit
,
157 .phy_power
= omap4430_phy_power
,
158 .phy_set_clock
= omap4430_phy_set_clk
,
161 static struct omap2_hsmmc_info mmc
[] = {
164 .caps
= MMC_CAP_4_BIT_DATA
| MMC_CAP_8_BIT_DATA
,
171 .caps
= MMC_CAP_4_BIT_DATA
| MMC_CAP_POWER_OFF_CARD
,
174 .ocr_mask
= MMC_VDD_165_195
,
175 .nonremovable
= true,
180 static struct regulator_consumer_supply omap4_panda_vmmc_supply
[] = {
183 .dev_name
= "omap_hsmmc.0",
187 static struct regulator_consumer_supply omap4_panda_vmmc5_supply
= {
189 .dev_name
= "omap_hsmmc.4",
192 static struct regulator_init_data panda_vmmc5
= {
194 .valid_ops_mask
= REGULATOR_CHANGE_STATUS
,
196 .num_consumer_supplies
= 1,
197 .consumer_supplies
= &omap4_panda_vmmc5_supply
,
200 static struct fixed_voltage_config panda_vwlan
= {
201 .supply_name
= "vwl1271",
202 .microvolts
= 1800000, /* 1.8V */
203 .gpio
= GPIO_WIFI_PMENA
,
204 .startup_delay
= 70000, /* 70msec */
206 .enabled_at_boot
= 0,
207 .init_data
= &panda_vmmc5
,
210 static struct platform_device omap_vwlan_device
= {
211 .name
= "reg-fixed-voltage",
214 .platform_data
= &panda_vwlan
,
218 struct wl12xx_platform_data omap_panda_wlan_data __initdata
= {
219 .irq
= OMAP_GPIO_IRQ(GPIO_WIFI_IRQ
),
220 /* PANDA ref clock is 38.4 MHz */
221 .board_ref_clock
= 2,
224 static int omap4_twl6030_hsmmc_late_init(struct device
*dev
)
227 struct platform_device
*pdev
= container_of(dev
,
228 struct platform_device
, dev
);
229 struct omap_mmc_platform_data
*pdata
= dev
->platform_data
;
232 dev_err(dev
, "%s: NULL platform data\n", __func__
);
235 /* Setting MMC1 Card detect Irq */
237 ret
= twl6030_mmc_card_detect_config();
239 dev_err(dev
, "%s: Error card detect config(%d)\n",
242 pdata
->slots
[0].card_detect
= twl6030_mmc_card_detect
;
247 static __init
void omap4_twl6030_hsmmc_set_late_init(struct device
*dev
)
249 struct omap_mmc_platform_data
*pdata
;
251 /* dev can be null if CONFIG_MMC_OMAP_HS is not set */
253 pr_err("Failed omap4_twl6030_hsmmc_set_late_init\n");
256 pdata
= dev
->platform_data
;
258 pdata
->init
= omap4_twl6030_hsmmc_late_init
;
261 static int __init
omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info
*controllers
)
263 struct omap2_hsmmc_info
*c
;
265 omap2_hsmmc_init(controllers
);
266 for (c
= controllers
; c
->mmc
; c
++)
267 omap4_twl6030_hsmmc_set_late_init(c
->dev
);
272 static struct regulator_init_data omap4_panda_vaux1
= {
277 .valid_modes_mask
= REGULATOR_MODE_NORMAL
278 | REGULATOR_MODE_STANDBY
,
279 .valid_ops_mask
= REGULATOR_CHANGE_VOLTAGE
280 | REGULATOR_CHANGE_MODE
281 | REGULATOR_CHANGE_STATUS
,
285 static struct regulator_init_data omap4_panda_vaux2
= {
290 .valid_modes_mask
= REGULATOR_MODE_NORMAL
291 | REGULATOR_MODE_STANDBY
,
292 .valid_ops_mask
= REGULATOR_CHANGE_VOLTAGE
293 | REGULATOR_CHANGE_MODE
294 | REGULATOR_CHANGE_STATUS
,
298 static struct regulator_init_data omap4_panda_vaux3
= {
303 .valid_modes_mask
= REGULATOR_MODE_NORMAL
304 | REGULATOR_MODE_STANDBY
,
305 .valid_ops_mask
= REGULATOR_CHANGE_VOLTAGE
306 | REGULATOR_CHANGE_MODE
307 | REGULATOR_CHANGE_STATUS
,
311 /* VMMC1 for MMC1 card */
312 static struct regulator_init_data omap4_panda_vmmc
= {
317 .valid_modes_mask
= REGULATOR_MODE_NORMAL
318 | REGULATOR_MODE_STANDBY
,
319 .valid_ops_mask
= REGULATOR_CHANGE_VOLTAGE
320 | REGULATOR_CHANGE_MODE
321 | REGULATOR_CHANGE_STATUS
,
323 .num_consumer_supplies
= 1,
324 .consumer_supplies
= omap4_panda_vmmc_supply
,
327 static struct regulator_init_data omap4_panda_vpp
= {
332 .valid_modes_mask
= REGULATOR_MODE_NORMAL
333 | REGULATOR_MODE_STANDBY
,
334 .valid_ops_mask
= REGULATOR_CHANGE_VOLTAGE
335 | REGULATOR_CHANGE_MODE
336 | REGULATOR_CHANGE_STATUS
,
340 static struct regulator_init_data omap4_panda_vusim
= {
345 .valid_modes_mask
= REGULATOR_MODE_NORMAL
346 | REGULATOR_MODE_STANDBY
,
347 .valid_ops_mask
= REGULATOR_CHANGE_VOLTAGE
348 | REGULATOR_CHANGE_MODE
349 | REGULATOR_CHANGE_STATUS
,
353 static struct regulator_init_data omap4_panda_vana
= {
357 .valid_modes_mask
= REGULATOR_MODE_NORMAL
358 | REGULATOR_MODE_STANDBY
,
359 .valid_ops_mask
= REGULATOR_CHANGE_MODE
360 | REGULATOR_CHANGE_STATUS
,
364 static struct regulator_init_data omap4_panda_vcxio
= {
368 .valid_modes_mask
= REGULATOR_MODE_NORMAL
369 | REGULATOR_MODE_STANDBY
,
370 .valid_ops_mask
= REGULATOR_CHANGE_MODE
371 | REGULATOR_CHANGE_STATUS
,
375 static struct regulator_init_data omap4_panda_vdac
= {
379 .valid_modes_mask
= REGULATOR_MODE_NORMAL
380 | REGULATOR_MODE_STANDBY
,
381 .valid_ops_mask
= REGULATOR_CHANGE_MODE
382 | REGULATOR_CHANGE_STATUS
,
386 static struct regulator_init_data omap4_panda_vusb
= {
391 .valid_modes_mask
= REGULATOR_MODE_NORMAL
392 | REGULATOR_MODE_STANDBY
,
393 .valid_ops_mask
= REGULATOR_CHANGE_MODE
394 | REGULATOR_CHANGE_STATUS
,
398 static struct twl4030_platform_data omap4_panda_twldata
= {
399 .irq_base
= TWL6030_IRQ_BASE
,
400 .irq_end
= TWL6030_IRQ_END
,
403 .vmmc
= &omap4_panda_vmmc
,
404 .vpp
= &omap4_panda_vpp
,
405 .vusim
= &omap4_panda_vusim
,
406 .vana
= &omap4_panda_vana
,
407 .vcxio
= &omap4_panda_vcxio
,
408 .vdac
= &omap4_panda_vdac
,
409 .vusb
= &omap4_panda_vusb
,
410 .vaux1
= &omap4_panda_vaux1
,
411 .vaux2
= &omap4_panda_vaux2
,
412 .vaux3
= &omap4_panda_vaux3
,
413 .usb
= &omap4_usbphy_data
,
416 static struct i2c_board_info __initdata omap4_panda_i2c_boardinfo
[] = {
418 I2C_BOARD_INFO("twl6030", 0x48),
419 .flags
= I2C_CLIENT_WAKE
,
420 .irq
= OMAP44XX_IRQ_SYS_1N
,
421 .platform_data
= &omap4_panda_twldata
,
424 static int __init
omap4_panda_i2c_init(void)
427 * Phoenix Audio IC needs I2C1 to
428 * start with 400 KHz or less
430 omap_register_i2c_bus(1, 400, omap4_panda_i2c_boardinfo
,
431 ARRAY_SIZE(omap4_panda_i2c_boardinfo
));
432 omap_register_i2c_bus(2, 400, NULL
, 0);
433 omap_register_i2c_bus(3, 400, NULL
, 0);
434 omap_register_i2c_bus(4, 400, NULL
, 0);
438 #ifdef CONFIG_OMAP_MUX
439 static struct omap_board_mux board_mux
[] __initdata
= {
440 /* WLAN IRQ - GPIO 53 */
441 OMAP4_MUX(GPMC_NCS3
, OMAP_MUX_MODE3
| OMAP_PIN_INPUT
),
442 /* WLAN POWER ENABLE - GPIO 43 */
443 OMAP4_MUX(GPMC_A19
, OMAP_MUX_MODE3
| OMAP_PIN_OUTPUT
),
444 /* WLAN SDIO: MMC5 CMD */
445 OMAP4_MUX(SDMMC5_CMD
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT_PULLUP
),
446 /* WLAN SDIO: MMC5 CLK */
447 OMAP4_MUX(SDMMC5_CLK
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT_PULLUP
),
448 /* WLAN SDIO: MMC5 DAT[0-3] */
449 OMAP4_MUX(SDMMC5_DAT0
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT_PULLUP
),
450 OMAP4_MUX(SDMMC5_DAT1
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT_PULLUP
),
451 OMAP4_MUX(SDMMC5_DAT2
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT_PULLUP
),
452 OMAP4_MUX(SDMMC5_DAT3
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT_PULLUP
),
453 { .reg_offset
= OMAP_MUX_TERMINATOR
},
456 #define board_mux NULL
459 static void __init
omap4_panda_init(void)
461 int package
= OMAP_PACKAGE_CBS
;
463 if (omap_rev() == OMAP4430_REV_ES1_0
)
464 package
= OMAP_PACKAGE_CBL
;
465 omap4_mux_init(board_mux
, package
);
467 if (wl12xx_set_platform_data(&omap_panda_wlan_data
))
468 pr_err("error setting wl12xx data\n");
470 omap4_panda_i2c_init();
471 platform_add_devices(panda_devices
, ARRAY_SIZE(panda_devices
));
472 platform_device_register(&omap_vwlan_device
);
474 omap4_twl6030_hsmmc_init(mmc
);
476 usb_musb_init(&musb_board_data
);
479 static void __init
omap4_panda_map_io(void)
481 omap2_set_globals_443x();
482 omap44xx_map_common_io();
485 MACHINE_START(OMAP4_PANDA
, "OMAP4 Panda board")
486 /* Maintainer: David Anders - Texas Instruments Inc */
487 .boot_params
= 0x80000100,
488 .reserve
= omap_reserve
,
489 .map_io
= omap4_panda_map_io
,
490 .init_early
= omap4_panda_init_early
,
491 .init_irq
= gic_init_irq
,
492 .init_machine
= omap4_panda_init
,
493 .timer
= &omap_timer
,