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/mfd/twl6040.h>
29 #include <linux/regulator/machine.h>
30 #include <linux/regulator/fixed.h>
31 #include <linux/ti_wilink_st.h>
32 #include <linux/wl12xx.h>
33 #include <linux/platform_data/omap-abe-twl6040.h>
35 #include <mach/hardware.h>
36 #include <asm/hardware/gic.h>
37 #include <asm/mach-types.h>
38 #include <asm/mach/arch.h>
39 #include <asm/mach/map.h>
40 #include <video/omapdss.h>
45 #include <video/omap-panel-tfp410.h>
50 #include "common-board-devices.h"
52 #define GPIO_HUB_POWER 1
53 #define GPIO_HUB_NRESET 62
54 #define GPIO_WIFI_PMENA 43
55 #define GPIO_WIFI_IRQ 53
56 #define HDMI_GPIO_CT_CP_HPD 60 /* HPD mode enable/disable */
57 #define HDMI_GPIO_LS_OE 41 /* Level shifter for HDMI */
58 #define HDMI_GPIO_HPD 63 /* Hotplug detect */
60 /* wl127x BT, FM, GPS connectivity chip */
61 static struct ti_st_plat_data wilink_platform_data
= {
63 .dev_name
= "/dev/ttyO1",
71 static struct platform_device wl1271_device
= {
75 .platform_data
= &wilink_platform_data
,
79 static struct gpio_led gpio_leds
[] = {
81 .name
= "pandaboard::status1",
82 .default_trigger
= "heartbeat",
86 .name
= "pandaboard::status2",
87 .default_trigger
= "mmc0",
92 static struct gpio_led_platform_data gpio_led_info
= {
94 .num_leds
= ARRAY_SIZE(gpio_leds
),
97 static struct platform_device leds_gpio
= {
101 .platform_data
= &gpio_led_info
,
105 static struct omap_abe_twl6040_data panda_abe_audio_data
= {
107 .has_hs
= ABE_TWL6040_LEFT
| ABE_TWL6040_RIGHT
,
108 /* HandsFree through expansion connector */
109 .has_hf
= ABE_TWL6040_LEFT
| ABE_TWL6040_RIGHT
,
110 /* PandaBoard: FM TX, PandaBoardES: can be connected to audio out */
111 .has_aux
= ABE_TWL6040_LEFT
| ABE_TWL6040_RIGHT
,
112 /* PandaBoard: FM RX, PandaBoardES: audio in */
113 .has_afm
= ABE_TWL6040_LEFT
| ABE_TWL6040_RIGHT
,
114 /* No jack detection. */
116 /* MCLK input is 38.4MHz */
117 .mclk_freq
= 38400000,
121 static struct platform_device panda_abe_audio
= {
122 .name
= "omap-abe-twl6040",
125 .platform_data
= &panda_abe_audio_data
,
129 static struct platform_device panda_hdmi_audio_codec
= {
130 .name
= "hdmi-audio-codec",
134 static struct platform_device btwilink_device
= {
139 static struct platform_device
*panda_devices
[] __initdata
= {
143 &panda_hdmi_audio_codec
,
147 static const struct usbhs_omap_board_data usbhs_bdata __initconst
= {
148 .port_mode
[0] = OMAP_EHCI_PORT_MODE_PHY
,
149 .port_mode
[1] = OMAP_USBHS_PORT_MODE_UNUSED
,
150 .port_mode
[2] = OMAP_USBHS_PORT_MODE_UNUSED
,
152 .reset_gpio_port
[0] = -EINVAL
,
153 .reset_gpio_port
[1] = -EINVAL
,
154 .reset_gpio_port
[2] = -EINVAL
157 static struct gpio panda_ehci_gpios
[] __initdata
= {
158 { GPIO_HUB_POWER
, GPIOF_OUT_INIT_LOW
, "hub_power" },
159 { GPIO_HUB_NRESET
, GPIOF_OUT_INIT_LOW
, "hub_nreset" },
162 static void __init
omap4_ehci_init(void)
165 struct clk
*phy_ref_clk
;
167 /* FREF_CLK3 provides the 19.2 MHz reference clock to the PHY */
168 phy_ref_clk
= clk_get(NULL
, "auxclk3_ck");
169 if (IS_ERR(phy_ref_clk
)) {
170 pr_err("Cannot request auxclk3\n");
173 clk_set_rate(phy_ref_clk
, 19200000);
174 clk_enable(phy_ref_clk
);
176 /* disable the power to the usb hub prior to init and reset phy+hub */
177 ret
= gpio_request_array(panda_ehci_gpios
,
178 ARRAY_SIZE(panda_ehci_gpios
));
180 pr_err("Unable to initialize EHCI power/reset\n");
184 gpio_export(GPIO_HUB_POWER
, 0);
185 gpio_export(GPIO_HUB_NRESET
, 0);
186 gpio_set_value(GPIO_HUB_NRESET
, 1);
188 usbhs_init(&usbhs_bdata
);
190 /* enable power to hub */
191 gpio_set_value(GPIO_HUB_POWER
, 1);
194 static struct omap_musb_board_data musb_board_data
= {
195 .interface_type
= MUSB_INTERFACE_UTMI
,
200 static struct omap2_hsmmc_info mmc
[] = {
203 .caps
= MMC_CAP_4_BIT_DATA
| MMC_CAP_8_BIT_DATA
,
210 .caps
= MMC_CAP_4_BIT_DATA
| MMC_CAP_POWER_OFF_CARD
,
213 .ocr_mask
= MMC_VDD_165_195
,
214 .nonremovable
= true,
219 static struct regulator_consumer_supply omap4_panda_vmmc5_supply
[] = {
220 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.4"),
223 static struct regulator_init_data panda_vmmc5
= {
225 .valid_ops_mask
= REGULATOR_CHANGE_STATUS
,
227 .num_consumer_supplies
= ARRAY_SIZE(omap4_panda_vmmc5_supply
),
228 .consumer_supplies
= omap4_panda_vmmc5_supply
,
231 static struct fixed_voltage_config panda_vwlan
= {
232 .supply_name
= "vwl1271",
233 .microvolts
= 1800000, /* 1.8V */
234 .gpio
= GPIO_WIFI_PMENA
,
235 .startup_delay
= 70000, /* 70msec */
237 .enabled_at_boot
= 0,
238 .init_data
= &panda_vmmc5
,
241 static struct platform_device omap_vwlan_device
= {
242 .name
= "reg-fixed-voltage",
245 .platform_data
= &panda_vwlan
,
249 static struct wl12xx_platform_data omap_panda_wlan_data __initdata
= {
250 /* PANDA ref clock is 38.4 MHz */
251 .board_ref_clock
= 2,
254 static struct twl6040_codec_data twl6040_codec
= {
255 /* single-step ramp for headset and handsfree */
256 .hs_left_step
= 0x0f,
257 .hs_right_step
= 0x0f,
258 .hf_left_step
= 0x1d,
259 .hf_right_step
= 0x1d,
262 static struct twl6040_platform_data twl6040_data
= {
263 .codec
= &twl6040_codec
,
264 .audpwron_gpio
= 127,
265 .irq_base
= TWL6040_CODEC_IRQ_BASE
,
268 /* Panda board uses the common PMIC configuration */
269 static struct twl4030_platform_data omap4_panda_twldata
;
272 * Display monitor features are burnt in their EEPROM as EDID data. The EEPROM
273 * is connected as I2C slave device, and can be accessed at address 0x50
275 static struct i2c_board_info __initdata panda_i2c_eeprom
[] = {
277 I2C_BOARD_INFO("eeprom", 0x50),
281 static int __init
omap4_panda_i2c_init(void)
283 omap4_pmic_get_config(&omap4_panda_twldata
, TWL_COMMON_PDATA_USB
,
284 TWL_COMMON_REGULATOR_VDAC
|
285 TWL_COMMON_REGULATOR_VAUX2
|
286 TWL_COMMON_REGULATOR_VAUX3
|
287 TWL_COMMON_REGULATOR_VMMC
|
288 TWL_COMMON_REGULATOR_VPP
|
289 TWL_COMMON_REGULATOR_VANA
|
290 TWL_COMMON_REGULATOR_VCXIO
|
291 TWL_COMMON_REGULATOR_VUSB
|
292 TWL_COMMON_REGULATOR_CLK32KG
|
293 TWL_COMMON_REGULATOR_V1V8
|
294 TWL_COMMON_REGULATOR_V2V1
);
295 omap4_pmic_init("twl6030", &omap4_panda_twldata
,
296 &twl6040_data
, OMAP44XX_IRQ_SYS_2N
);
297 omap_register_i2c_bus(2, 400, NULL
, 0);
299 * Bus 3 is attached to the DVI port where devices like the pico DLP
300 * projector don't work reliably with 400kHz
302 omap_register_i2c_bus(3, 100, panda_i2c_eeprom
,
303 ARRAY_SIZE(panda_i2c_eeprom
));
304 omap_register_i2c_bus(4, 400, NULL
, 0);
308 #ifdef CONFIG_OMAP_MUX
309 static struct omap_board_mux board_mux
[] __initdata
= {
310 /* WLAN IRQ - GPIO 53 */
311 OMAP4_MUX(GPMC_NCS3
, OMAP_MUX_MODE3
| OMAP_PIN_INPUT
),
312 /* WLAN POWER ENABLE - GPIO 43 */
313 OMAP4_MUX(GPMC_A19
, OMAP_MUX_MODE3
| OMAP_PIN_OUTPUT
),
314 /* WLAN SDIO: MMC5 CMD */
315 OMAP4_MUX(SDMMC5_CMD
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT_PULLUP
),
316 /* WLAN SDIO: MMC5 CLK */
317 OMAP4_MUX(SDMMC5_CLK
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT_PULLUP
),
318 /* WLAN SDIO: MMC5 DAT[0-3] */
319 OMAP4_MUX(SDMMC5_DAT0
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT_PULLUP
),
320 OMAP4_MUX(SDMMC5_DAT1
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT_PULLUP
),
321 OMAP4_MUX(SDMMC5_DAT2
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT_PULLUP
),
322 OMAP4_MUX(SDMMC5_DAT3
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT_PULLUP
),
323 /* gpio 0 - TFP410 PD */
324 OMAP4_MUX(KPD_COL1
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE3
),
326 OMAP4_MUX(USBB2_ULPITLL_STP
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
328 OMAP4_MUX(USBB2_ULPITLL_DIR
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
330 OMAP4_MUX(USBB2_ULPITLL_NXT
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
332 OMAP4_MUX(USBB2_ULPITLL_DAT0
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
334 OMAP4_MUX(USBB2_ULPITLL_DAT1
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
336 OMAP4_MUX(USBB2_ULPITLL_DAT2
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
338 OMAP4_MUX(USBB2_ULPITLL_DAT3
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
340 OMAP4_MUX(USBB2_ULPITLL_DAT4
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
342 OMAP4_MUX(USBB2_ULPITLL_DAT5
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
344 OMAP4_MUX(USBB2_ULPITLL_DAT6
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
346 OMAP4_MUX(USBB2_ULPITLL_DAT7
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
348 OMAP4_MUX(DPM_EMU3
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
350 OMAP4_MUX(DPM_EMU4
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
352 OMAP4_MUX(DPM_EMU5
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
354 OMAP4_MUX(DPM_EMU6
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
356 OMAP4_MUX(DPM_EMU7
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
358 OMAP4_MUX(DPM_EMU8
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
360 OMAP4_MUX(DPM_EMU9
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
362 OMAP4_MUX(DPM_EMU10
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
364 OMAP4_MUX(DPM_EMU11
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
366 OMAP4_MUX(DPM_EMU12
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
368 OMAP4_MUX(DPM_EMU13
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
370 OMAP4_MUX(DPM_EMU14
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
372 OMAP4_MUX(DPM_EMU15
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
374 OMAP4_MUX(DPM_EMU16
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
376 OMAP4_MUX(DPM_EMU17
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
378 OMAP4_MUX(DPM_EMU18
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
380 OMAP4_MUX(DPM_EMU19
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
381 /* NIRQ2 for twl6040 */
382 OMAP4_MUX(SYS_NIRQ2
, OMAP_MUX_MODE0
|
383 OMAP_PIN_INPUT_PULLUP
| OMAP_PIN_OFF_WAKEUPENABLE
),
384 { .reg_offset
= OMAP_MUX_TERMINATOR
},
388 #define board_mux NULL
392 #define PANDA_DVI_TFP410_POWER_DOWN_GPIO 0
394 /* Using generic display panel */
395 static struct tfp410_platform_data omap4_dvi_panel
= {
397 .power_down_gpio
= PANDA_DVI_TFP410_POWER_DOWN_GPIO
,
400 static struct omap_dss_device omap4_panda_dvi_device
= {
401 .type
= OMAP_DISPLAY_TYPE_DPI
,
403 .driver_name
= "tfp410",
404 .data
= &omap4_dvi_panel
,
405 .phy
.dpi
.data_lines
= 24,
406 .reset_gpio
= PANDA_DVI_TFP410_POWER_DOWN_GPIO
,
407 .channel
= OMAP_DSS_CHANNEL_LCD2
,
410 static struct gpio panda_hdmi_gpios
[] = {
411 { HDMI_GPIO_CT_CP_HPD
, GPIOF_OUT_INIT_HIGH
, "hdmi_gpio_ct_cp_hpd" },
412 { HDMI_GPIO_LS_OE
, GPIOF_OUT_INIT_HIGH
, "hdmi_gpio_ls_oe" },
413 { HDMI_GPIO_HPD
, GPIOF_DIR_IN
, "hdmi_gpio_hpd" },
416 static int omap4_panda_panel_enable_hdmi(struct omap_dss_device
*dssdev
)
420 status
= gpio_request_array(panda_hdmi_gpios
,
421 ARRAY_SIZE(panda_hdmi_gpios
));
423 pr_err("Cannot request HDMI GPIOs\n");
428 static void omap4_panda_panel_disable_hdmi(struct omap_dss_device
*dssdev
)
430 gpio_free_array(panda_hdmi_gpios
, ARRAY_SIZE(panda_hdmi_gpios
));
433 static struct omap_dss_hdmi_data omap4_panda_hdmi_data
= {
434 .hpd_gpio
= HDMI_GPIO_HPD
,
437 static struct omap_dss_device omap4_panda_hdmi_device
= {
439 .driver_name
= "hdmi_panel",
440 .type
= OMAP_DISPLAY_TYPE_HDMI
,
441 .platform_enable
= omap4_panda_panel_enable_hdmi
,
442 .platform_disable
= omap4_panda_panel_disable_hdmi
,
443 .channel
= OMAP_DSS_CHANNEL_DIGIT
,
444 .data
= &omap4_panda_hdmi_data
,
447 static struct omap_dss_device
*omap4_panda_dss_devices
[] = {
448 &omap4_panda_dvi_device
,
449 &omap4_panda_hdmi_device
,
452 static struct omap_dss_board_info omap4_panda_dss_data
= {
453 .num_devices
= ARRAY_SIZE(omap4_panda_dss_devices
),
454 .devices
= omap4_panda_dss_devices
,
455 .default_device
= &omap4_panda_dvi_device
,
458 static void __init
omap4_panda_display_init(void)
461 omap_display_init(&omap4_panda_dss_data
);
464 * OMAP4460SDP/Blaze and OMAP4430 ES2.3 SDP/Blaze boards and
465 * later have external pull up on the HDMI I2C lines
467 if (cpu_is_omap446x() || omap_rev() > OMAP4430_REV_ES2_2
)
468 omap_hdmi_init(OMAP_HDMI_SDA_SCL_EXTERNAL_PULLUP
);
472 omap_mux_init_gpio(HDMI_GPIO_LS_OE
, OMAP_PIN_OUTPUT
);
473 omap_mux_init_gpio(HDMI_GPIO_CT_CP_HPD
, OMAP_PIN_OUTPUT
);
474 omap_mux_init_gpio(HDMI_GPIO_HPD
, OMAP_PIN_INPUT_PULLDOWN
);
477 static void omap4_panda_init_rev(void)
479 if (cpu_is_omap443x()) {
480 /* PandaBoard 4430 */
481 /* ASoC audio configuration */
482 panda_abe_audio_data
.card_name
= "PandaBoard";
483 panda_abe_audio_data
.has_hsmic
= 1;
486 /* ASoC audio configuration */
487 panda_abe_audio_data
.card_name
= "PandaBoardES";
491 static void __init
omap4_panda_init(void)
493 int package
= OMAP_PACKAGE_CBS
;
496 if (omap_rev() == OMAP4430_REV_ES1_0
)
497 package
= OMAP_PACKAGE_CBL
;
498 omap4_mux_init(board_mux
, NULL
, package
);
500 omap_panda_wlan_data
.irq
= gpio_to_irq(GPIO_WIFI_IRQ
);
501 ret
= wl12xx_set_platform_data(&omap_panda_wlan_data
);
503 pr_err("error setting wl12xx data: %d\n", ret
);
505 omap4_panda_init_rev();
506 omap4_panda_i2c_init();
507 platform_add_devices(panda_devices
, ARRAY_SIZE(panda_devices
));
508 platform_device_register(&omap_vwlan_device
);
510 omap_sdrc_init(NULL
, NULL
);
511 omap4_twl6030_hsmmc_init(mmc
);
513 usb_musb_init(&musb_board_data
);
514 omap4_panda_display_init();
517 MACHINE_START(OMAP4_PANDA
, "OMAP4 Panda board")
518 /* Maintainer: David Anders - Texas Instruments Inc */
519 .atag_offset
= 0x100,
520 .reserve
= omap_reserve
,
521 .map_io
= omap4_map_io
,
522 .init_early
= omap4430_init_early
,
523 .init_irq
= gic_init_irq
,
524 .handle_irq
= gic_handle_irq
,
525 .init_machine
= omap4_panda_init
,
526 .init_late
= omap4430_init_late
,
527 .timer
= &omap4_timer
,
528 .restart
= omap_prcm_restart
,