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>
37 #include <video/omapdss.h>
39 #include <plat/board.h>
40 #include <plat/common.h>
43 #include <video/omap-panel-generic-dpi.h>
48 #include "common-board-devices.h"
50 #define GPIO_HUB_POWER 1
51 #define GPIO_HUB_NRESET 62
52 #define GPIO_WIFI_PMENA 43
53 #define GPIO_WIFI_IRQ 53
54 #define HDMI_GPIO_HPD 60 /* Hot plug pin for HDMI */
55 #define HDMI_GPIO_LS_OE 41 /* Level shifter for HDMI */
57 /* wl127x BT, FM, GPS connectivity chip */
58 static int wl1271_gpios
[] = {46, -1, -1};
59 static struct platform_device wl1271_device
= {
63 .platform_data
= &wl1271_gpios
,
67 static struct gpio_led gpio_leds
[] = {
69 .name
= "pandaboard::status1",
70 .default_trigger
= "heartbeat",
74 .name
= "pandaboard::status2",
75 .default_trigger
= "mmc0",
80 static struct gpio_led_platform_data gpio_led_info
= {
82 .num_leds
= ARRAY_SIZE(gpio_leds
),
85 static struct platform_device leds_gpio
= {
89 .platform_data
= &gpio_led_info
,
93 static struct platform_device
*panda_devices
[] __initdata
= {
98 static void __init
omap4_panda_init_early(void)
100 omap2_init_common_infrastructure();
101 omap2_init_common_devices(NULL
, NULL
);
104 static const struct usbhs_omap_board_data usbhs_bdata __initconst
= {
105 .port_mode
[0] = OMAP_EHCI_PORT_MODE_PHY
,
106 .port_mode
[1] = OMAP_USBHS_PORT_MODE_UNUSED
,
107 .port_mode
[2] = OMAP_USBHS_PORT_MODE_UNUSED
,
109 .reset_gpio_port
[0] = -EINVAL
,
110 .reset_gpio_port
[1] = -EINVAL
,
111 .reset_gpio_port
[2] = -EINVAL
114 static struct gpio panda_ehci_gpios
[] __initdata
= {
115 { GPIO_HUB_POWER
, GPIOF_OUT_INIT_LOW
, "hub_power" },
116 { GPIO_HUB_NRESET
, GPIOF_OUT_INIT_LOW
, "hub_nreset" },
119 static void __init
omap4_ehci_init(void)
122 struct clk
*phy_ref_clk
;
124 /* FREF_CLK3 provides the 19.2 MHz reference clock to the PHY */
125 phy_ref_clk
= clk_get(NULL
, "auxclk3_ck");
126 if (IS_ERR(phy_ref_clk
)) {
127 pr_err("Cannot request auxclk3\n");
130 clk_set_rate(phy_ref_clk
, 19200000);
131 clk_enable(phy_ref_clk
);
133 /* disable the power to the usb hub prior to init and reset phy+hub */
134 ret
= gpio_request_array(panda_ehci_gpios
,
135 ARRAY_SIZE(panda_ehci_gpios
));
137 pr_err("Unable to initialize EHCI power/reset\n");
141 gpio_export(GPIO_HUB_POWER
, 0);
142 gpio_export(GPIO_HUB_NRESET
, 0);
143 gpio_set_value(GPIO_HUB_NRESET
, 1);
145 usbhs_init(&usbhs_bdata
);
147 /* enable power to hub */
148 gpio_set_value(GPIO_HUB_POWER
, 1);
151 static struct omap_musb_board_data musb_board_data
= {
152 .interface_type
= MUSB_INTERFACE_UTMI
,
157 static struct omap2_hsmmc_info mmc
[] = {
160 .caps
= MMC_CAP_4_BIT_DATA
| MMC_CAP_8_BIT_DATA
,
167 .caps
= MMC_CAP_4_BIT_DATA
| MMC_CAP_POWER_OFF_CARD
,
170 .ocr_mask
= MMC_VDD_165_195
,
171 .nonremovable
= true,
176 static struct regulator_consumer_supply omap4_panda_vmmc5_supply
[] = {
177 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.4"),
180 static struct regulator_init_data panda_vmmc5
= {
182 .valid_ops_mask
= REGULATOR_CHANGE_STATUS
,
184 .num_consumer_supplies
= ARRAY_SIZE(omap4_panda_vmmc5_supply
),
185 .consumer_supplies
= omap4_panda_vmmc5_supply
,
188 static struct fixed_voltage_config panda_vwlan
= {
189 .supply_name
= "vwl1271",
190 .microvolts
= 1800000, /* 1.8V */
191 .gpio
= GPIO_WIFI_PMENA
,
192 .startup_delay
= 70000, /* 70msec */
194 .enabled_at_boot
= 0,
195 .init_data
= &panda_vmmc5
,
198 static struct platform_device omap_vwlan_device
= {
199 .name
= "reg-fixed-voltage",
202 .platform_data
= &panda_vwlan
,
206 struct wl12xx_platform_data omap_panda_wlan_data __initdata
= {
207 .irq
= OMAP_GPIO_IRQ(GPIO_WIFI_IRQ
),
208 /* PANDA ref clock is 38.4 MHz */
209 .board_ref_clock
= 2,
212 static int omap4_twl6030_hsmmc_late_init(struct device
*dev
)
215 struct platform_device
*pdev
= container_of(dev
,
216 struct platform_device
, dev
);
217 struct omap_mmc_platform_data
*pdata
= dev
->platform_data
;
220 dev_err(dev
, "%s: NULL platform data\n", __func__
);
223 /* Setting MMC1 Card detect Irq */
225 ret
= twl6030_mmc_card_detect_config();
227 dev_err(dev
, "%s: Error card detect config(%d)\n",
230 pdata
->slots
[0].card_detect
= twl6030_mmc_card_detect
;
235 static __init
void omap4_twl6030_hsmmc_set_late_init(struct device
*dev
)
237 struct omap_mmc_platform_data
*pdata
;
239 /* dev can be null if CONFIG_MMC_OMAP_HS is not set */
241 pr_err("Failed omap4_twl6030_hsmmc_set_late_init\n");
244 pdata
= dev
->platform_data
;
246 pdata
->init
= omap4_twl6030_hsmmc_late_init
;
249 static int __init
omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info
*controllers
)
251 struct omap2_hsmmc_info
*c
;
253 omap2_hsmmc_init(controllers
);
254 for (c
= controllers
; c
->mmc
; c
++)
255 omap4_twl6030_hsmmc_set_late_init(c
->dev
);
260 /* Panda board uses the common PMIC configuration */
261 static struct twl4030_platform_data omap4_panda_twldata
;
264 * Display monitor features are burnt in their EEPROM as EDID data. The EEPROM
265 * is connected as I2C slave device, and can be accessed at address 0x50
267 static struct i2c_board_info __initdata panda_i2c_eeprom
[] = {
269 I2C_BOARD_INFO("eeprom", 0x50),
273 static int __init
omap4_panda_i2c_init(void)
275 omap4_pmic_get_config(&omap4_panda_twldata
, TWL_COMMON_PDATA_USB
,
276 TWL_COMMON_REGULATOR_VDAC
|
277 TWL_COMMON_REGULATOR_VAUX2
|
278 TWL_COMMON_REGULATOR_VAUX3
|
279 TWL_COMMON_REGULATOR_VMMC
|
280 TWL_COMMON_REGULATOR_VPP
|
281 TWL_COMMON_REGULATOR_VANA
|
282 TWL_COMMON_REGULATOR_VCXIO
|
283 TWL_COMMON_REGULATOR_VUSB
|
284 TWL_COMMON_REGULATOR_CLK32KG
);
285 omap4_pmic_init("twl6030", &omap4_panda_twldata
);
286 omap_register_i2c_bus(2, 400, NULL
, 0);
288 * Bus 3 is attached to the DVI port where devices like the pico DLP
289 * projector don't work reliably with 400kHz
291 omap_register_i2c_bus(3, 100, panda_i2c_eeprom
,
292 ARRAY_SIZE(panda_i2c_eeprom
));
293 omap_register_i2c_bus(4, 400, NULL
, 0);
297 #ifdef CONFIG_OMAP_MUX
298 static struct omap_board_mux board_mux
[] __initdata
= {
299 /* WLAN IRQ - GPIO 53 */
300 OMAP4_MUX(GPMC_NCS3
, OMAP_MUX_MODE3
| OMAP_PIN_INPUT
),
301 /* WLAN POWER ENABLE - GPIO 43 */
302 OMAP4_MUX(GPMC_A19
, OMAP_MUX_MODE3
| OMAP_PIN_OUTPUT
),
303 /* WLAN SDIO: MMC5 CMD */
304 OMAP4_MUX(SDMMC5_CMD
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT_PULLUP
),
305 /* WLAN SDIO: MMC5 CLK */
306 OMAP4_MUX(SDMMC5_CLK
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT_PULLUP
),
307 /* WLAN SDIO: MMC5 DAT[0-3] */
308 OMAP4_MUX(SDMMC5_DAT0
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT_PULLUP
),
309 OMAP4_MUX(SDMMC5_DAT1
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT_PULLUP
),
310 OMAP4_MUX(SDMMC5_DAT2
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT_PULLUP
),
311 OMAP4_MUX(SDMMC5_DAT3
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT_PULLUP
),
312 /* gpio 0 - TFP410 PD */
313 OMAP4_MUX(KPD_COL1
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE3
),
315 OMAP4_MUX(USBB2_ULPITLL_STP
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
317 OMAP4_MUX(USBB2_ULPITLL_DIR
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
319 OMAP4_MUX(USBB2_ULPITLL_NXT
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
321 OMAP4_MUX(USBB2_ULPITLL_DAT0
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
323 OMAP4_MUX(USBB2_ULPITLL_DAT1
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
325 OMAP4_MUX(USBB2_ULPITLL_DAT2
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
327 OMAP4_MUX(USBB2_ULPITLL_DAT3
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
329 OMAP4_MUX(USBB2_ULPITLL_DAT4
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
331 OMAP4_MUX(USBB2_ULPITLL_DAT5
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
333 OMAP4_MUX(USBB2_ULPITLL_DAT6
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
335 OMAP4_MUX(USBB2_ULPITLL_DAT7
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
337 OMAP4_MUX(DPM_EMU3
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
339 OMAP4_MUX(DPM_EMU4
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
341 OMAP4_MUX(DPM_EMU5
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
343 OMAP4_MUX(DPM_EMU6
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
345 OMAP4_MUX(DPM_EMU7
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
347 OMAP4_MUX(DPM_EMU8
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
349 OMAP4_MUX(DPM_EMU9
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
351 OMAP4_MUX(DPM_EMU10
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
353 OMAP4_MUX(DPM_EMU11
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
355 OMAP4_MUX(DPM_EMU12
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
357 OMAP4_MUX(DPM_EMU13
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
359 OMAP4_MUX(DPM_EMU14
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
361 OMAP4_MUX(DPM_EMU15
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
363 OMAP4_MUX(DPM_EMU16
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
365 OMAP4_MUX(DPM_EMU17
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
367 OMAP4_MUX(DPM_EMU18
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
369 OMAP4_MUX(DPM_EMU19
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
370 { .reg_offset
= OMAP_MUX_TERMINATOR
},
373 static struct omap_device_pad serial2_pads
[] __initdata
= {
374 OMAP_MUX_STATIC("uart2_cts.uart2_cts",
375 OMAP_PIN_INPUT_PULLUP
| OMAP_MUX_MODE0
),
376 OMAP_MUX_STATIC("uart2_rts.uart2_rts",
377 OMAP_PIN_OUTPUT
| OMAP_MUX_MODE0
),
378 OMAP_MUX_STATIC("uart2_rx.uart2_rx",
379 OMAP_PIN_INPUT_PULLUP
| OMAP_MUX_MODE0
),
380 OMAP_MUX_STATIC("uart2_tx.uart2_tx",
381 OMAP_PIN_OUTPUT
| OMAP_MUX_MODE0
),
384 static struct omap_device_pad serial3_pads
[] __initdata
= {
385 OMAP_MUX_STATIC("uart3_cts_rctx.uart3_cts_rctx",
386 OMAP_PIN_INPUT_PULLUP
| OMAP_MUX_MODE0
),
387 OMAP_MUX_STATIC("uart3_rts_sd.uart3_rts_sd",
388 OMAP_PIN_OUTPUT
| OMAP_MUX_MODE0
),
389 OMAP_MUX_STATIC("uart3_rx_irrx.uart3_rx_irrx",
390 OMAP_PIN_INPUT
| OMAP_MUX_MODE0
),
391 OMAP_MUX_STATIC("uart3_tx_irtx.uart3_tx_irtx",
392 OMAP_PIN_OUTPUT
| OMAP_MUX_MODE0
),
395 static struct omap_device_pad serial4_pads
[] __initdata
= {
396 OMAP_MUX_STATIC("uart4_rx.uart4_rx",
397 OMAP_PIN_INPUT
| OMAP_MUX_MODE0
),
398 OMAP_MUX_STATIC("uart4_tx.uart4_tx",
399 OMAP_PIN_OUTPUT
| OMAP_MUX_MODE0
),
402 static struct omap_board_data serial2_data __initdata
= {
404 .pads
= serial2_pads
,
405 .pads_cnt
= ARRAY_SIZE(serial2_pads
),
408 static struct omap_board_data serial3_data __initdata
= {
410 .pads
= serial3_pads
,
411 .pads_cnt
= ARRAY_SIZE(serial3_pads
),
414 static struct omap_board_data serial4_data __initdata
= {
416 .pads
= serial4_pads
,
417 .pads_cnt
= ARRAY_SIZE(serial4_pads
),
420 static inline void board_serial_init(void)
422 struct omap_board_data bdata
;
427 /* pass dummy data for UART1 */
428 omap_serial_init_port(&bdata
);
430 omap_serial_init_port(&serial2_data
);
431 omap_serial_init_port(&serial3_data
);
432 omap_serial_init_port(&serial4_data
);
435 #define board_mux NULL
437 static inline void board_serial_init(void)
444 #define PANDA_DVI_TFP410_POWER_DOWN_GPIO 0
446 static int omap4_panda_enable_dvi(struct omap_dss_device
*dssdev
)
448 gpio_set_value(dssdev
->reset_gpio
, 1);
452 static void omap4_panda_disable_dvi(struct omap_dss_device
*dssdev
)
454 gpio_set_value(dssdev
->reset_gpio
, 0);
457 /* Using generic display panel */
458 static struct panel_generic_dpi_data omap4_dvi_panel
= {
460 .platform_enable
= omap4_panda_enable_dvi
,
461 .platform_disable
= omap4_panda_disable_dvi
,
464 struct omap_dss_device omap4_panda_dvi_device
= {
465 .type
= OMAP_DISPLAY_TYPE_DPI
,
467 .driver_name
= "generic_dpi_panel",
468 .data
= &omap4_dvi_panel
,
469 .phy
.dpi
.data_lines
= 24,
470 .reset_gpio
= PANDA_DVI_TFP410_POWER_DOWN_GPIO
,
471 .channel
= OMAP_DSS_CHANNEL_LCD2
,
474 int __init
omap4_panda_dvi_init(void)
478 /* Requesting TFP410 DVI GPIO and disabling it, at bootup */
479 r
= gpio_request_one(omap4_panda_dvi_device
.reset_gpio
,
480 GPIOF_OUT_INIT_LOW
, "DVI PD");
482 pr_err("Failed to get DVI powerdown GPIO\n");
488 static void omap4_panda_hdmi_mux_init(void)
490 /* PAD0_HDMI_HPD_PAD1_HDMI_CEC */
491 omap_mux_init_signal("hdmi_hpd",
492 OMAP_PIN_INPUT_PULLUP
);
493 omap_mux_init_signal("hdmi_cec",
494 OMAP_PIN_INPUT_PULLUP
);
495 /* PAD0_HDMI_DDC_SCL_PAD1_HDMI_DDC_SDA */
496 omap_mux_init_signal("hdmi_ddc_scl",
497 OMAP_PIN_INPUT_PULLUP
);
498 omap_mux_init_signal("hdmi_ddc_sda",
499 OMAP_PIN_INPUT_PULLUP
);
502 static struct gpio panda_hdmi_gpios
[] = {
503 { HDMI_GPIO_HPD
, GPIOF_OUT_INIT_HIGH
, "hdmi_gpio_hpd" },
504 { HDMI_GPIO_LS_OE
, GPIOF_OUT_INIT_HIGH
, "hdmi_gpio_ls_oe" },
507 static int omap4_panda_panel_enable_hdmi(struct omap_dss_device
*dssdev
)
511 status
= gpio_request_array(panda_hdmi_gpios
,
512 ARRAY_SIZE(panda_hdmi_gpios
));
514 pr_err("Cannot request HDMI GPIOs\n");
519 static void omap4_panda_panel_disable_hdmi(struct omap_dss_device
*dssdev
)
521 gpio_free(HDMI_GPIO_LS_OE
);
522 gpio_free(HDMI_GPIO_HPD
);
525 static struct omap_dss_device omap4_panda_hdmi_device
= {
527 .driver_name
= "hdmi_panel",
528 .type
= OMAP_DISPLAY_TYPE_HDMI
,
529 .platform_enable
= omap4_panda_panel_enable_hdmi
,
530 .platform_disable
= omap4_panda_panel_disable_hdmi
,
531 .channel
= OMAP_DSS_CHANNEL_DIGIT
,
534 static struct omap_dss_device
*omap4_panda_dss_devices
[] = {
535 &omap4_panda_dvi_device
,
536 &omap4_panda_hdmi_device
,
539 static struct omap_dss_board_info omap4_panda_dss_data
= {
540 .num_devices
= ARRAY_SIZE(omap4_panda_dss_devices
),
541 .devices
= omap4_panda_dss_devices
,
542 .default_device
= &omap4_panda_dvi_device
,
545 void omap4_panda_display_init(void)
549 r
= omap4_panda_dvi_init();
551 pr_err("error initializing panda DVI\n");
553 omap4_panda_hdmi_mux_init();
554 omap_display_init(&omap4_panda_dss_data
);
557 static void __init
omap4_panda_init(void)
559 int package
= OMAP_PACKAGE_CBS
;
561 if (omap_rev() == OMAP4430_REV_ES1_0
)
562 package
= OMAP_PACKAGE_CBL
;
563 omap4_mux_init(board_mux
, NULL
, package
);
565 if (wl12xx_set_platform_data(&omap_panda_wlan_data
))
566 pr_err("error setting wl12xx data\n");
568 omap4_panda_i2c_init();
569 platform_add_devices(panda_devices
, ARRAY_SIZE(panda_devices
));
570 platform_device_register(&omap_vwlan_device
);
572 omap4_twl6030_hsmmc_init(mmc
);
574 usb_musb_init(&musb_board_data
);
575 omap4_panda_display_init();
578 static void __init
omap4_panda_map_io(void)
580 omap2_set_globals_443x();
581 omap44xx_map_common_io();
584 MACHINE_START(OMAP4_PANDA
, "OMAP4 Panda board")
585 /* Maintainer: David Anders - Texas Instruments Inc */
586 .atag_offset
= 0x100,
587 .reserve
= omap_reserve
,
588 .map_io
= omap4_panda_map_io
,
589 .init_early
= omap4_panda_init_early
,
590 .init_irq
= gic_init_irq
,
591 .init_machine
= omap4_panda_init
,
592 .timer
= &omap4_timer
,