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/wl12xx.h>
32 #include <linux/platform_data/omap-abe-twl6040.h>
34 #include <mach/hardware.h>
35 #include <asm/hardware/gic.h>
36 #include <asm/mach-types.h>
37 #include <asm/mach/arch.h>
38 #include <asm/mach/map.h>
39 #include <video/omapdss.h>
41 #include <plat/board.h>
45 #include <video/omap-panel-dvi.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 int wl1271_gpios
[] = {46, -1, -1};
62 static struct platform_device wl1271_device
= {
66 .platform_data
= &wl1271_gpios
,
70 static struct gpio_led gpio_leds
[] = {
72 .name
= "pandaboard::status1",
73 .default_trigger
= "heartbeat",
77 .name
= "pandaboard::status2",
78 .default_trigger
= "mmc0",
83 static struct gpio_led_platform_data gpio_led_info
= {
85 .num_leds
= ARRAY_SIZE(gpio_leds
),
88 static struct platform_device leds_gpio
= {
92 .platform_data
= &gpio_led_info
,
96 static struct omap_abe_twl6040_data panda_abe_audio_data
= {
98 .has_hs
= ABE_TWL6040_LEFT
| ABE_TWL6040_RIGHT
,
99 /* HandsFree through expasion connector */
100 .has_hf
= ABE_TWL6040_LEFT
| ABE_TWL6040_RIGHT
,
101 /* PandaBoard: FM TX, PandaBoardES: can be connected to audio out */
102 .has_aux
= ABE_TWL6040_LEFT
| ABE_TWL6040_RIGHT
,
103 /* PandaBoard: FM RX, PandaBoardES: audio in */
104 .has_afm
= ABE_TWL6040_LEFT
| ABE_TWL6040_RIGHT
,
105 /* No jack detection. */
107 /* MCLK input is 38.4MHz */
108 .mclk_freq
= 38400000,
112 static struct platform_device panda_abe_audio
= {
113 .name
= "omap-abe-twl6040",
116 .platform_data
= &panda_abe_audio_data
,
120 static struct platform_device btwilink_device
= {
125 static struct platform_device
*panda_devices
[] __initdata
= {
132 static const struct usbhs_omap_board_data usbhs_bdata __initconst
= {
133 .port_mode
[0] = OMAP_EHCI_PORT_MODE_PHY
,
134 .port_mode
[1] = OMAP_USBHS_PORT_MODE_UNUSED
,
135 .port_mode
[2] = OMAP_USBHS_PORT_MODE_UNUSED
,
137 .reset_gpio_port
[0] = -EINVAL
,
138 .reset_gpio_port
[1] = -EINVAL
,
139 .reset_gpio_port
[2] = -EINVAL
142 static struct gpio panda_ehci_gpios
[] __initdata
= {
143 { GPIO_HUB_POWER
, GPIOF_OUT_INIT_LOW
, "hub_power" },
144 { GPIO_HUB_NRESET
, GPIOF_OUT_INIT_LOW
, "hub_nreset" },
147 static void __init
omap4_ehci_init(void)
150 struct clk
*phy_ref_clk
;
152 /* FREF_CLK3 provides the 19.2 MHz reference clock to the PHY */
153 phy_ref_clk
= clk_get(NULL
, "auxclk3_ck");
154 if (IS_ERR(phy_ref_clk
)) {
155 pr_err("Cannot request auxclk3\n");
158 clk_set_rate(phy_ref_clk
, 19200000);
159 clk_enable(phy_ref_clk
);
161 /* disable the power to the usb hub prior to init and reset phy+hub */
162 ret
= gpio_request_array(panda_ehci_gpios
,
163 ARRAY_SIZE(panda_ehci_gpios
));
165 pr_err("Unable to initialize EHCI power/reset\n");
169 gpio_export(GPIO_HUB_POWER
, 0);
170 gpio_export(GPIO_HUB_NRESET
, 0);
171 gpio_set_value(GPIO_HUB_NRESET
, 1);
173 usbhs_init(&usbhs_bdata
);
175 /* enable power to hub */
176 gpio_set_value(GPIO_HUB_POWER
, 1);
179 static struct omap_musb_board_data musb_board_data
= {
180 .interface_type
= MUSB_INTERFACE_UTMI
,
185 static struct omap2_hsmmc_info mmc
[] = {
188 .caps
= MMC_CAP_4_BIT_DATA
| MMC_CAP_8_BIT_DATA
,
195 .caps
= MMC_CAP_4_BIT_DATA
| MMC_CAP_POWER_OFF_CARD
,
198 .ocr_mask
= MMC_VDD_165_195
,
199 .nonremovable
= true,
204 static struct regulator_consumer_supply omap4_panda_vmmc5_supply
[] = {
205 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.4"),
208 static struct regulator_init_data panda_vmmc5
= {
210 .valid_ops_mask
= REGULATOR_CHANGE_STATUS
,
212 .num_consumer_supplies
= ARRAY_SIZE(omap4_panda_vmmc5_supply
),
213 .consumer_supplies
= omap4_panda_vmmc5_supply
,
216 static struct fixed_voltage_config panda_vwlan
= {
217 .supply_name
= "vwl1271",
218 .microvolts
= 1800000, /* 1.8V */
219 .gpio
= GPIO_WIFI_PMENA
,
220 .startup_delay
= 70000, /* 70msec */
222 .enabled_at_boot
= 0,
223 .init_data
= &panda_vmmc5
,
226 static struct platform_device omap_vwlan_device
= {
227 .name
= "reg-fixed-voltage",
230 .platform_data
= &panda_vwlan
,
234 struct wl12xx_platform_data omap_panda_wlan_data __initdata
= {
235 /* PANDA ref clock is 38.4 MHz */
236 .board_ref_clock
= 2,
239 static struct twl6040_codec_data twl6040_codec
= {
240 /* single-step ramp for headset and handsfree */
241 .hs_left_step
= 0x0f,
242 .hs_right_step
= 0x0f,
243 .hf_left_step
= 0x1d,
244 .hf_right_step
= 0x1d,
247 static struct twl6040_platform_data twl6040_data
= {
248 .codec
= &twl6040_codec
,
249 .audpwron_gpio
= 127,
250 .irq_base
= TWL6040_CODEC_IRQ_BASE
,
253 /* Panda board uses the common PMIC configuration */
254 static struct twl4030_platform_data omap4_panda_twldata
;
257 * Display monitor features are burnt in their EEPROM as EDID data. The EEPROM
258 * is connected as I2C slave device, and can be accessed at address 0x50
260 static struct i2c_board_info __initdata panda_i2c_eeprom
[] = {
262 I2C_BOARD_INFO("eeprom", 0x50),
266 static int __init
omap4_panda_i2c_init(void)
268 omap4_pmic_get_config(&omap4_panda_twldata
, TWL_COMMON_PDATA_USB
,
269 TWL_COMMON_REGULATOR_VDAC
|
270 TWL_COMMON_REGULATOR_VAUX2
|
271 TWL_COMMON_REGULATOR_VAUX3
|
272 TWL_COMMON_REGULATOR_VMMC
|
273 TWL_COMMON_REGULATOR_VPP
|
274 TWL_COMMON_REGULATOR_VANA
|
275 TWL_COMMON_REGULATOR_VCXIO
|
276 TWL_COMMON_REGULATOR_VUSB
|
277 TWL_COMMON_REGULATOR_CLK32KG
);
278 omap4_pmic_init("twl6030", &omap4_panda_twldata
,
279 &twl6040_data
, OMAP44XX_IRQ_SYS_2N
);
280 omap_register_i2c_bus(2, 400, NULL
, 0);
282 * Bus 3 is attached to the DVI port where devices like the pico DLP
283 * projector don't work reliably with 400kHz
285 omap_register_i2c_bus(3, 100, panda_i2c_eeprom
,
286 ARRAY_SIZE(panda_i2c_eeprom
));
287 omap_register_i2c_bus(4, 400, NULL
, 0);
291 #ifdef CONFIG_OMAP_MUX
292 static struct omap_board_mux board_mux
[] __initdata
= {
293 /* WLAN IRQ - GPIO 53 */
294 OMAP4_MUX(GPMC_NCS3
, OMAP_MUX_MODE3
| OMAP_PIN_INPUT
),
295 /* WLAN POWER ENABLE - GPIO 43 */
296 OMAP4_MUX(GPMC_A19
, OMAP_MUX_MODE3
| OMAP_PIN_OUTPUT
),
297 /* WLAN SDIO: MMC5 CMD */
298 OMAP4_MUX(SDMMC5_CMD
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT_PULLUP
),
299 /* WLAN SDIO: MMC5 CLK */
300 OMAP4_MUX(SDMMC5_CLK
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT_PULLUP
),
301 /* WLAN SDIO: MMC5 DAT[0-3] */
302 OMAP4_MUX(SDMMC5_DAT0
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT_PULLUP
),
303 OMAP4_MUX(SDMMC5_DAT1
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT_PULLUP
),
304 OMAP4_MUX(SDMMC5_DAT2
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT_PULLUP
),
305 OMAP4_MUX(SDMMC5_DAT3
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT_PULLUP
),
306 /* gpio 0 - TFP410 PD */
307 OMAP4_MUX(KPD_COL1
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE3
),
309 OMAP4_MUX(USBB2_ULPITLL_STP
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
311 OMAP4_MUX(USBB2_ULPITLL_DIR
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
313 OMAP4_MUX(USBB2_ULPITLL_NXT
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
315 OMAP4_MUX(USBB2_ULPITLL_DAT0
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
317 OMAP4_MUX(USBB2_ULPITLL_DAT1
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
319 OMAP4_MUX(USBB2_ULPITLL_DAT2
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
321 OMAP4_MUX(USBB2_ULPITLL_DAT3
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
323 OMAP4_MUX(USBB2_ULPITLL_DAT4
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
325 OMAP4_MUX(USBB2_ULPITLL_DAT5
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
327 OMAP4_MUX(USBB2_ULPITLL_DAT6
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
329 OMAP4_MUX(USBB2_ULPITLL_DAT7
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
331 OMAP4_MUX(DPM_EMU3
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
333 OMAP4_MUX(DPM_EMU4
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
335 OMAP4_MUX(DPM_EMU5
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
337 OMAP4_MUX(DPM_EMU6
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
339 OMAP4_MUX(DPM_EMU7
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
341 OMAP4_MUX(DPM_EMU8
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
343 OMAP4_MUX(DPM_EMU9
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
345 OMAP4_MUX(DPM_EMU10
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
347 OMAP4_MUX(DPM_EMU11
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
349 OMAP4_MUX(DPM_EMU12
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
351 OMAP4_MUX(DPM_EMU13
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
353 OMAP4_MUX(DPM_EMU14
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
355 OMAP4_MUX(DPM_EMU15
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
357 OMAP4_MUX(DPM_EMU16
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
359 OMAP4_MUX(DPM_EMU17
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
361 OMAP4_MUX(DPM_EMU18
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
363 OMAP4_MUX(DPM_EMU19
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
364 { .reg_offset
= OMAP_MUX_TERMINATOR
},
368 #define board_mux NULL
372 #define PANDA_DVI_TFP410_POWER_DOWN_GPIO 0
374 static int omap4_panda_enable_dvi(struct omap_dss_device
*dssdev
)
376 gpio_set_value(dssdev
->reset_gpio
, 1);
380 static void omap4_panda_disable_dvi(struct omap_dss_device
*dssdev
)
382 gpio_set_value(dssdev
->reset_gpio
, 0);
385 /* Using generic display panel */
386 static struct panel_dvi_platform_data omap4_dvi_panel
= {
387 .platform_enable
= omap4_panda_enable_dvi
,
388 .platform_disable
= omap4_panda_disable_dvi
,
392 struct omap_dss_device omap4_panda_dvi_device
= {
393 .type
= OMAP_DISPLAY_TYPE_DPI
,
395 .driver_name
= "dvi",
396 .data
= &omap4_dvi_panel
,
397 .phy
.dpi
.data_lines
= 24,
398 .reset_gpio
= PANDA_DVI_TFP410_POWER_DOWN_GPIO
,
399 .channel
= OMAP_DSS_CHANNEL_LCD2
,
402 int __init
omap4_panda_dvi_init(void)
406 /* Requesting TFP410 DVI GPIO and disabling it, at bootup */
407 r
= gpio_request_one(omap4_panda_dvi_device
.reset_gpio
,
408 GPIOF_OUT_INIT_LOW
, "DVI PD");
410 pr_err("Failed to get DVI powerdown GPIO\n");
415 static struct gpio panda_hdmi_gpios
[] = {
416 { HDMI_GPIO_CT_CP_HPD
, GPIOF_OUT_INIT_HIGH
, "hdmi_gpio_ct_cp_hpd" },
417 { HDMI_GPIO_LS_OE
, GPIOF_OUT_INIT_HIGH
, "hdmi_gpio_ls_oe" },
418 { HDMI_GPIO_HPD
, GPIOF_DIR_IN
, "hdmi_gpio_hpd" },
421 static int omap4_panda_panel_enable_hdmi(struct omap_dss_device
*dssdev
)
425 status
= gpio_request_array(panda_hdmi_gpios
,
426 ARRAY_SIZE(panda_hdmi_gpios
));
428 pr_err("Cannot request HDMI GPIOs\n");
433 static void omap4_panda_panel_disable_hdmi(struct omap_dss_device
*dssdev
)
435 gpio_free_array(panda_hdmi_gpios
, ARRAY_SIZE(panda_hdmi_gpios
));
438 static struct omap_dss_hdmi_data omap4_panda_hdmi_data
= {
439 .hpd_gpio
= HDMI_GPIO_HPD
,
442 static struct omap_dss_device omap4_panda_hdmi_device
= {
444 .driver_name
= "hdmi_panel",
445 .type
= OMAP_DISPLAY_TYPE_HDMI
,
446 .platform_enable
= omap4_panda_panel_enable_hdmi
,
447 .platform_disable
= omap4_panda_panel_disable_hdmi
,
448 .channel
= OMAP_DSS_CHANNEL_DIGIT
,
449 .data
= &omap4_panda_hdmi_data
,
452 static struct omap_dss_device
*omap4_panda_dss_devices
[] = {
453 &omap4_panda_dvi_device
,
454 &omap4_panda_hdmi_device
,
457 static struct omap_dss_board_info omap4_panda_dss_data
= {
458 .num_devices
= ARRAY_SIZE(omap4_panda_dss_devices
),
459 .devices
= omap4_panda_dss_devices
,
460 .default_device
= &omap4_panda_dvi_device
,
463 void __init
omap4_panda_display_init(void)
467 r
= omap4_panda_dvi_init();
469 pr_err("error initializing panda DVI\n");
471 omap_display_init(&omap4_panda_dss_data
);
474 * OMAP4460SDP/Blaze and OMAP4430 ES2.3 SDP/Blaze boards and
475 * later have external pull up on the HDMI I2C lines
477 if (cpu_is_omap446x() || omap_rev() > OMAP4430_REV_ES2_2
)
478 omap_hdmi_init(OMAP_HDMI_SDA_SCL_EXTERNAL_PULLUP
);
482 omap_mux_init_gpio(HDMI_GPIO_LS_OE
, OMAP_PIN_OUTPUT
);
483 omap_mux_init_gpio(HDMI_GPIO_CT_CP_HPD
, OMAP_PIN_OUTPUT
);
484 omap_mux_init_gpio(HDMI_GPIO_HPD
, OMAP_PIN_INPUT_PULLDOWN
);
487 static void omap4_panda_init_rev(void)
489 if (cpu_is_omap443x()) {
490 /* PandaBoard 4430 */
491 /* ASoC audio configuration */
492 panda_abe_audio_data
.card_name
= "PandaBoard";
493 panda_abe_audio_data
.has_hsmic
= 1;
496 /* ASoC audio configuration */
497 panda_abe_audio_data
.card_name
= "PandaBoardES";
501 static void __init
omap4_panda_init(void)
503 int package
= OMAP_PACKAGE_CBS
;
506 if (omap_rev() == OMAP4430_REV_ES1_0
)
507 package
= OMAP_PACKAGE_CBL
;
508 omap4_mux_init(board_mux
, NULL
, package
);
510 omap_panda_wlan_data
.irq
= gpio_to_irq(GPIO_WIFI_IRQ
);
511 ret
= wl12xx_set_platform_data(&omap_panda_wlan_data
);
513 pr_err("error setting wl12xx data: %d\n", ret
);
515 omap4_panda_init_rev();
516 omap4_panda_i2c_init();
517 platform_add_devices(panda_devices
, ARRAY_SIZE(panda_devices
));
518 platform_device_register(&omap_vwlan_device
);
520 omap_sdrc_init(NULL
, NULL
);
521 omap4_twl6030_hsmmc_init(mmc
);
523 usb_musb_init(&musb_board_data
);
524 omap4_panda_display_init();
527 MACHINE_START(OMAP4_PANDA
, "OMAP4 Panda board")
528 /* Maintainer: David Anders - Texas Instruments Inc */
529 .atag_offset
= 0x100,
530 .reserve
= omap_reserve
,
531 .map_io
= omap4_map_io
,
532 .init_early
= omap4430_init_early
,
533 .init_irq
= gic_init_irq
,
534 .handle_irq
= gic_handle_irq
,
535 .init_machine
= omap4_panda_init
,
536 .timer
= &omap4_timer
,
537 .restart
= omap_prcm_restart
,