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/usb/musb.h>
33 #include <linux/usb/phy.h>
34 #include <linux/wl12xx.h>
35 #include <linux/irqchip/arm-gic.h>
36 #include <linux/platform_data/omap-abe-twl6040.h>
38 #include <asm/mach-types.h>
39 #include <asm/mach/arch.h>
40 #include <asm/mach/map.h>
48 #include "common-board-devices.h"
49 #include "dss-common.h"
51 #define GPIO_HUB_POWER 1
52 #define GPIO_HUB_NRESET 62
53 #define GPIO_WIFI_PMENA 43
54 #define GPIO_WIFI_IRQ 53
56 /* wl127x BT, FM, GPS connectivity chip */
57 static struct ti_st_plat_data wilink_platform_data
= {
59 .dev_name
= "/dev/ttyO1",
67 static struct platform_device wl1271_device
= {
71 .platform_data
= &wilink_platform_data
,
75 static struct gpio_led gpio_leds
[] = {
77 .name
= "pandaboard::status1",
78 .default_trigger
= "heartbeat",
82 .name
= "pandaboard::status2",
83 .default_trigger
= "mmc0",
88 static struct gpio_led_platform_data gpio_led_info
= {
90 .num_leds
= ARRAY_SIZE(gpio_leds
),
93 static struct platform_device leds_gpio
= {
97 .platform_data
= &gpio_led_info
,
101 static struct omap_abe_twl6040_data panda_abe_audio_data
= {
103 .has_hs
= ABE_TWL6040_LEFT
| ABE_TWL6040_RIGHT
,
104 /* HandsFree through expansion connector */
105 .has_hf
= ABE_TWL6040_LEFT
| ABE_TWL6040_RIGHT
,
106 /* PandaBoard: FM TX, PandaBoardES: can be connected to audio out */
107 .has_aux
= ABE_TWL6040_LEFT
| ABE_TWL6040_RIGHT
,
108 /* PandaBoard: FM RX, PandaBoardES: audio in */
109 .has_afm
= ABE_TWL6040_LEFT
| ABE_TWL6040_RIGHT
,
110 /* No jack detection. */
112 /* MCLK input is 38.4MHz */
113 .mclk_freq
= 38400000,
117 static struct platform_device panda_abe_audio
= {
118 .name
= "omap-abe-twl6040",
121 .platform_data
= &panda_abe_audio_data
,
125 static struct platform_device panda_hdmi_audio_codec
= {
126 .name
= "hdmi-audio-codec",
130 static struct platform_device btwilink_device
= {
135 static struct platform_device
*panda_devices
[] __initdata
= {
139 &panda_hdmi_audio_codec
,
143 static struct usbhs_omap_platform_data usbhs_bdata __initdata
= {
144 .port_mode
[0] = OMAP_EHCI_PORT_MODE_PHY
,
145 .port_mode
[1] = OMAP_USBHS_PORT_MODE_UNUSED
,
146 .port_mode
[2] = OMAP_USBHS_PORT_MODE_UNUSED
,
148 .reset_gpio_port
[0] = -EINVAL
,
149 .reset_gpio_port
[1] = -EINVAL
,
150 .reset_gpio_port
[2] = -EINVAL
153 static struct gpio panda_ehci_gpios
[] __initdata
= {
154 { GPIO_HUB_POWER
, GPIOF_OUT_INIT_LOW
, "hub_power" },
155 { GPIO_HUB_NRESET
, GPIOF_OUT_INIT_LOW
, "hub_nreset" },
158 static void __init
omap4_ehci_init(void)
161 struct clk
*phy_ref_clk
;
163 /* FREF_CLK3 provides the 19.2 MHz reference clock to the PHY */
164 phy_ref_clk
= clk_get(NULL
, "auxclk3_ck");
165 if (IS_ERR(phy_ref_clk
)) {
166 pr_err("Cannot request auxclk3\n");
169 clk_set_rate(phy_ref_clk
, 19200000);
170 clk_prepare_enable(phy_ref_clk
);
172 /* disable the power to the usb hub prior to init and reset phy+hub */
173 ret
= gpio_request_array(panda_ehci_gpios
,
174 ARRAY_SIZE(panda_ehci_gpios
));
176 pr_err("Unable to initialize EHCI power/reset\n");
180 gpio_export(GPIO_HUB_POWER
, 0);
181 gpio_export(GPIO_HUB_NRESET
, 0);
182 gpio_set_value(GPIO_HUB_NRESET
, 1);
184 usbhs_init(&usbhs_bdata
);
186 /* enable power to hub */
187 gpio_set_value(GPIO_HUB_POWER
, 1);
190 static struct omap_musb_board_data musb_board_data
= {
191 .interface_type
= MUSB_INTERFACE_UTMI
,
196 static struct omap2_hsmmc_info mmc
[] = {
199 .caps
= MMC_CAP_4_BIT_DATA
| MMC_CAP_8_BIT_DATA
,
206 .caps
= MMC_CAP_4_BIT_DATA
| MMC_CAP_POWER_OFF_CARD
,
209 .ocr_mask
= MMC_VDD_165_195
,
210 .nonremovable
= true,
215 static struct regulator_consumer_supply omap4_panda_vmmc5_supply
[] = {
216 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.4"),
219 static struct regulator_init_data panda_vmmc5
= {
221 .valid_ops_mask
= REGULATOR_CHANGE_STATUS
,
223 .num_consumer_supplies
= ARRAY_SIZE(omap4_panda_vmmc5_supply
),
224 .consumer_supplies
= omap4_panda_vmmc5_supply
,
227 static struct fixed_voltage_config panda_vwlan
= {
228 .supply_name
= "vwl1271",
229 .microvolts
= 1800000, /* 1.8V */
230 .gpio
= GPIO_WIFI_PMENA
,
231 .startup_delay
= 70000, /* 70msec */
233 .enabled_at_boot
= 0,
234 .init_data
= &panda_vmmc5
,
237 static struct platform_device omap_vwlan_device
= {
238 .name
= "reg-fixed-voltage",
241 .platform_data
= &panda_vwlan
,
245 static struct wl12xx_platform_data omap_panda_wlan_data __initdata
= {
246 .board_ref_clock
= WL12XX_REFCLOCK_38
, /* 38.4 MHz */
249 static struct twl6040_codec_data twl6040_codec
= {
250 /* single-step ramp for headset and handsfree */
251 .hs_left_step
= 0x0f,
252 .hs_right_step
= 0x0f,
253 .hf_left_step
= 0x1d,
254 .hf_right_step
= 0x1d,
257 static struct twl6040_platform_data twl6040_data
= {
258 .codec
= &twl6040_codec
,
259 .audpwron_gpio
= 127,
262 static struct i2c_board_info __initdata panda_i2c_1_boardinfo
[] = {
264 I2C_BOARD_INFO("twl6040", 0x4b),
265 .irq
= 119 + OMAP44XX_IRQ_GIC_START
,
266 .platform_data
= &twl6040_data
,
270 /* Panda board uses the common PMIC configuration */
271 static struct twl4030_platform_data omap4_panda_twldata
;
274 * Display monitor features are burnt in their EEPROM as EDID data. The EEPROM
275 * is connected as I2C slave device, and can be accessed at address 0x50
277 static struct i2c_board_info __initdata panda_i2c_eeprom
[] = {
279 I2C_BOARD_INFO("eeprom", 0x50),
283 static int __init
omap4_panda_i2c_init(void)
285 omap4_pmic_get_config(&omap4_panda_twldata
, TWL_COMMON_PDATA_USB
,
286 TWL_COMMON_REGULATOR_VDAC
|
287 TWL_COMMON_REGULATOR_VAUX2
|
288 TWL_COMMON_REGULATOR_VAUX3
|
289 TWL_COMMON_REGULATOR_VMMC
|
290 TWL_COMMON_REGULATOR_VPP
|
291 TWL_COMMON_REGULATOR_VANA
|
292 TWL_COMMON_REGULATOR_VCXIO
|
293 TWL_COMMON_REGULATOR_VUSB
|
294 TWL_COMMON_REGULATOR_CLK32KG
|
295 TWL_COMMON_REGULATOR_V1V8
|
296 TWL_COMMON_REGULATOR_V2V1
);
297 omap4_pmic_init("twl6030", &omap4_panda_twldata
, panda_i2c_1_boardinfo
,
298 ARRAY_SIZE(panda_i2c_1_boardinfo
));
299 omap_register_i2c_bus(2, 400, NULL
, 0);
301 * Bus 3 is attached to the DVI port where devices like the pico DLP
302 * projector don't work reliably with 400kHz
304 omap_register_i2c_bus(3, 100, panda_i2c_eeprom
,
305 ARRAY_SIZE(panda_i2c_eeprom
));
306 omap_register_i2c_bus(4, 400, NULL
, 0);
310 #ifdef CONFIG_OMAP_MUX
311 static struct omap_board_mux board_mux
[] __initdata
= {
312 /* WLAN IRQ - GPIO 53 */
313 OMAP4_MUX(GPMC_NCS3
, OMAP_MUX_MODE3
| OMAP_PIN_INPUT
),
314 /* WLAN POWER ENABLE - GPIO 43 */
315 OMAP4_MUX(GPMC_A19
, OMAP_MUX_MODE3
| OMAP_PIN_OUTPUT
),
316 /* WLAN SDIO: MMC5 CMD */
317 OMAP4_MUX(SDMMC5_CMD
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT_PULLUP
),
318 /* WLAN SDIO: MMC5 CLK */
319 OMAP4_MUX(SDMMC5_CLK
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT_PULLUP
),
320 /* WLAN SDIO: MMC5 DAT[0-3] */
321 OMAP4_MUX(SDMMC5_DAT0
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT_PULLUP
),
322 OMAP4_MUX(SDMMC5_DAT1
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT_PULLUP
),
323 OMAP4_MUX(SDMMC5_DAT2
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT_PULLUP
),
324 OMAP4_MUX(SDMMC5_DAT3
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT_PULLUP
),
325 /* gpio 0 - TFP410 PD */
326 OMAP4_MUX(KPD_COL1
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE3
),
328 OMAP4_MUX(USBB2_ULPITLL_STP
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
330 OMAP4_MUX(USBB2_ULPITLL_DIR
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
332 OMAP4_MUX(USBB2_ULPITLL_NXT
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
334 OMAP4_MUX(USBB2_ULPITLL_DAT0
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
336 OMAP4_MUX(USBB2_ULPITLL_DAT1
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
338 OMAP4_MUX(USBB2_ULPITLL_DAT2
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
340 OMAP4_MUX(USBB2_ULPITLL_DAT3
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
342 OMAP4_MUX(USBB2_ULPITLL_DAT4
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
344 OMAP4_MUX(USBB2_ULPITLL_DAT5
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
346 OMAP4_MUX(USBB2_ULPITLL_DAT6
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
348 OMAP4_MUX(USBB2_ULPITLL_DAT7
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
350 OMAP4_MUX(DPM_EMU3
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
352 OMAP4_MUX(DPM_EMU4
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
354 OMAP4_MUX(DPM_EMU5
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
356 OMAP4_MUX(DPM_EMU6
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
358 OMAP4_MUX(DPM_EMU7
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
360 OMAP4_MUX(DPM_EMU8
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
362 OMAP4_MUX(DPM_EMU9
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
364 OMAP4_MUX(DPM_EMU10
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
366 OMAP4_MUX(DPM_EMU11
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
368 OMAP4_MUX(DPM_EMU12
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
370 OMAP4_MUX(DPM_EMU13
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
372 OMAP4_MUX(DPM_EMU14
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
374 OMAP4_MUX(DPM_EMU15
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
376 OMAP4_MUX(DPM_EMU16
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
378 OMAP4_MUX(DPM_EMU17
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
380 OMAP4_MUX(DPM_EMU18
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
382 OMAP4_MUX(DPM_EMU19
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE5
),
383 /* NIRQ2 for twl6040 */
384 OMAP4_MUX(SYS_NIRQ2
, OMAP_MUX_MODE0
|
385 OMAP_PIN_INPUT_PULLUP
| OMAP_PIN_OFF_WAKEUPENABLE
),
386 /* GPIO_127 for twl6040 */
387 OMAP4_MUX(HDQ_SIO
, OMAP_MUX_MODE3
| OMAP_PIN_OUTPUT
),
389 OMAP4_MUX(ABE_PDM_UL_DATA
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT_PULLDOWN
),
390 OMAP4_MUX(ABE_PDM_DL_DATA
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT_PULLDOWN
),
391 OMAP4_MUX(ABE_PDM_FRAME
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT_PULLUP
),
392 OMAP4_MUX(ABE_PDM_LB_CLK
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT_PULLDOWN
),
393 OMAP4_MUX(ABE_CLKS
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT_PULLDOWN
),
395 OMAP4_MUX(ABE_MCBSP1_CLKX
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT
),
396 OMAP4_MUX(ABE_MCBSP1_DR
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT_PULLDOWN
),
397 OMAP4_MUX(ABE_MCBSP1_DX
, OMAP_MUX_MODE0
| OMAP_PIN_OUTPUT
|
399 OMAP4_MUX(ABE_MCBSP1_FSX
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT
),
401 /* UART2 - BT/FM/GPS shared transport */
402 OMAP4_MUX(UART2_CTS
, OMAP_PIN_INPUT
| OMAP_MUX_MODE0
),
403 OMAP4_MUX(UART2_RTS
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE0
),
404 OMAP4_MUX(UART2_RX
, OMAP_PIN_INPUT
| OMAP_MUX_MODE0
),
405 OMAP4_MUX(UART2_TX
, OMAP_PIN_OUTPUT
| OMAP_MUX_MODE0
),
407 { .reg_offset
= OMAP_MUX_TERMINATOR
},
411 #define board_mux NULL
415 static void omap4_panda_init_rev(void)
417 if (cpu_is_omap443x()) {
418 /* PandaBoard 4430 */
419 /* ASoC audio configuration */
420 panda_abe_audio_data
.card_name
= "PandaBoard";
421 panda_abe_audio_data
.has_hsmic
= 1;
424 /* ASoC audio configuration */
425 panda_abe_audio_data
.card_name
= "PandaBoardES";
429 static void __init
omap4_panda_init(void)
431 int package
= OMAP_PACKAGE_CBS
;
434 if (omap_rev() == OMAP4430_REV_ES1_0
)
435 package
= OMAP_PACKAGE_CBL
;
436 omap4_mux_init(board_mux
, NULL
, package
);
438 omap_panda_wlan_data
.irq
= gpio_to_irq(GPIO_WIFI_IRQ
);
439 ret
= wl12xx_set_platform_data(&omap_panda_wlan_data
);
441 pr_err("error setting wl12xx data: %d\n", ret
);
443 omap4_panda_init_rev();
444 omap4_panda_i2c_init();
445 platform_add_devices(panda_devices
, ARRAY_SIZE(panda_devices
));
446 platform_device_register(&omap_vwlan_device
);
448 omap_sdrc_init(NULL
, NULL
);
449 omap4_twl6030_hsmmc_init(mmc
);
451 usb_bind_phy("musb-hdrc.0.auto", 0, "omap-usb2.1.auto");
452 usb_musb_init(&musb_board_data
);
453 omap4_panda_display_init();
456 MACHINE_START(OMAP4_PANDA
, "OMAP4 Panda board")
457 /* Maintainer: David Anders - Texas Instruments Inc */
458 .atag_offset
= 0x100,
459 .smp
= smp_ops(omap4_smp_ops
),
460 .reserve
= omap_reserve
,
461 .map_io
= omap4_map_io
,
462 .init_early
= omap4430_init_early
,
463 .init_irq
= gic_init_irq
,
464 .init_machine
= omap4_panda_init
,
465 .init_late
= omap4430_init_late
,
466 .init_time
= omap4_local_timer_init
,
467 .restart
= omap44xx_restart
,