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 <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>
44 #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_prepare_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,
267 /* Panda board uses the common PMIC configuration */
268 static struct twl4030_platform_data omap4_panda_twldata;
271 * Display monitor features are burnt in their EEPROM as EDID data. The EEPROM
272 * is connected as I2C slave device, and can be accessed at address 0x50
274 static struct i2c_board_info __initdata panda_i2c_eeprom[] = {
276 I2C_BOARD_INFO("eeprom", 0x50),
280 static int __init omap4_panda_i2c_init(void)
282 omap4_pmic_get_config(&omap4_panda_twldata, TWL_COMMON_PDATA_USB,
283 TWL_COMMON_REGULATOR_VDAC |
284 TWL_COMMON_REGULATOR_VAUX2 |
285 TWL_COMMON_REGULATOR_VAUX3 |
286 TWL_COMMON_REGULATOR_VMMC |
287 TWL_COMMON_REGULATOR_VPP |
288 TWL_COMMON_REGULATOR_VANA |
289 TWL_COMMON_REGULATOR_VCXIO |
290 TWL_COMMON_REGULATOR_VUSB |
291 TWL_COMMON_REGULATOR_CLK32KG |
292 TWL_COMMON_REGULATOR_V1V8 |
293 TWL_COMMON_REGULATOR_V2V1);
294 omap4_pmic_init("twl6030", &omap4_panda_twldata,
295 &twl6040_data, 119 + OMAP44XX_IRQ_GIC_START);
296 omap_register_i2c_bus(2, 400, NULL, 0);
298 * Bus 3 is attached to the DVI port where devices like the pico DLP
299 * projector don't work reliably with 400kHz
301 omap_register_i2c_bus(3, 100, panda_i2c_eeprom,
302 ARRAY_SIZE(panda_i2c_eeprom));
303 omap_register_i2c_bus(4, 400, NULL, 0);
307 #ifdef CONFIG_OMAP_MUX
308 static struct omap_board_mux board_mux[] __initdata = {
309 /* WLAN IRQ - GPIO 53 */
310 OMAP4_MUX(GPMC_NCS3, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
311 /* WLAN POWER ENABLE - GPIO 43 */
312 OMAP4_MUX(GPMC_A19, OMAP_MUX_MODE3 | OMAP_PIN_OUTPUT),
313 /* WLAN SDIO: MMC5 CMD */
314 OMAP4_MUX(SDMMC5_CMD, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
315 /* WLAN SDIO: MMC5 CLK */
316 OMAP4_MUX(SDMMC5_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
317 /* WLAN SDIO: MMC5 DAT[0-3] */
318 OMAP4_MUX(SDMMC5_DAT0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
319 OMAP4_MUX(SDMMC5_DAT1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
320 OMAP4_MUX(SDMMC5_DAT2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
321 OMAP4_MUX(SDMMC5_DAT3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
322 /* gpio 0 - TFP410 PD */
323 OMAP4_MUX(KPD_COL1, OMAP_PIN_OUTPUT | OMAP_MUX_MODE3),
325 OMAP4_MUX(USBB2_ULPITLL_STP, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
327 OMAP4_MUX(USBB2_ULPITLL_DIR, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
329 OMAP4_MUX(USBB2_ULPITLL_NXT, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
331 OMAP4_MUX(USBB2_ULPITLL_DAT0, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
333 OMAP4_MUX(USBB2_ULPITLL_DAT1, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
335 OMAP4_MUX(USBB2_ULPITLL_DAT2, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
337 OMAP4_MUX(USBB2_ULPITLL_DAT3, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
339 OMAP4_MUX(USBB2_ULPITLL_DAT4, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
341 OMAP4_MUX(USBB2_ULPITLL_DAT5, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
343 OMAP4_MUX(USBB2_ULPITLL_DAT6, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
345 OMAP4_MUX(USBB2_ULPITLL_DAT7, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
347 OMAP4_MUX(DPM_EMU3, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
349 OMAP4_MUX(DPM_EMU4, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
351 OMAP4_MUX(DPM_EMU5, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
353 OMAP4_MUX(DPM_EMU6, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
355 OMAP4_MUX(DPM_EMU7, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
357 OMAP4_MUX(DPM_EMU8, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
359 OMAP4_MUX(DPM_EMU9, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
361 OMAP4_MUX(DPM_EMU10, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
363 OMAP4_MUX(DPM_EMU11, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
365 OMAP4_MUX(DPM_EMU12, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
367 OMAP4_MUX(DPM_EMU13, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
369 OMAP4_MUX(DPM_EMU14, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
371 OMAP4_MUX(DPM_EMU15, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
373 OMAP4_MUX(DPM_EMU16, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
375 OMAP4_MUX(DPM_EMU17, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
377 OMAP4_MUX(DPM_EMU18, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
379 OMAP4_MUX(DPM_EMU19, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
380 /* NIRQ2 for twl6040 */
381 OMAP4_MUX(SYS_NIRQ2, OMAP_MUX_MODE0 |
382 OMAP_PIN_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
383 { .reg_offset = OMAP_MUX_TERMINATOR },
387 #define board_mux NULL
391 #define PANDA_DVI_TFP410_POWER_DOWN_GPIO 0
393 /* Using generic display panel */
394 static struct tfp410_platform_data omap4_dvi_panel = {
396 .power_down_gpio = PANDA_DVI_TFP410_POWER_DOWN_GPIO,
399 static struct omap_dss_device omap4_panda_dvi_device = {
400 .type = OMAP_DISPLAY_TYPE_DPI,
402 .driver_name = "tfp410",
403 .data = &omap4_dvi_panel,
404 .phy.dpi.data_lines = 24,
405 .reset_gpio = PANDA_DVI_TFP410_POWER_DOWN_GPIO,
406 .channel = OMAP_DSS_CHANNEL_LCD2,
409 static struct gpio panda_hdmi_gpios[] = {
410 { HDMI_GPIO_CT_CP_HPD, GPIOF_OUT_INIT_HIGH, "hdmi_gpio_ct_cp_hpd" },
411 { HDMI_GPIO_LS_OE, GPIOF_OUT_INIT_HIGH, "hdmi_gpio_ls_oe" },
412 { HDMI_GPIO_HPD, GPIOF_DIR_IN, "hdmi_gpio_hpd" },
415 static int omap4_panda_panel_enable_hdmi(struct omap_dss_device *dssdev)
419 status = gpio_request_array(panda_hdmi_gpios,
420 ARRAY_SIZE(panda_hdmi_gpios));
422 pr_err("Cannot request HDMI GPIOs\n");
427 static void omap4_panda_panel_disable_hdmi(struct omap_dss_device *dssdev)
429 gpio_free_array(panda_hdmi_gpios, ARRAY_SIZE(panda_hdmi_gpios));
432 static struct omap_dss_hdmi_data omap4_panda_hdmi_data = {
433 .hpd_gpio = HDMI_GPIO_HPD,
436 static struct omap_dss_device omap4_panda_hdmi_device = {
438 .driver_name = "hdmi_panel",
439 .type = OMAP_DISPLAY_TYPE_HDMI,
440 .platform_enable = omap4_panda_panel_enable_hdmi,
441 .platform_disable = omap4_panda_panel_disable_hdmi,
442 .channel = OMAP_DSS_CHANNEL_DIGIT,
443 .data = &omap4_panda_hdmi_data,
446 static struct omap_dss_device *omap4_panda_dss_devices[] = {
447 &omap4_panda_dvi_device,
448 &omap4_panda_hdmi_device,
451 static struct omap_dss_board_info omap4_panda_dss_data = {
452 .num_devices = ARRAY_SIZE(omap4_panda_dss_devices),
453 .devices = omap4_panda_dss_devices,
454 .default_device = &omap4_panda_dvi_device,
457 static void __init omap4_panda_display_init(void)
460 omap_display_init(&omap4_panda_dss_data);
463 * OMAP4460SDP/Blaze and OMAP4430 ES2.3 SDP/Blaze boards and
464 * later have external pull up on the HDMI I2C lines
466 if (cpu_is_omap446x() || omap_rev() > OMAP4430_REV_ES2_2)
467 omap_hdmi_init(OMAP_HDMI_SDA_SCL_EXTERNAL_PULLUP);
471 omap_mux_init_gpio(HDMI_GPIO_LS_OE, OMAP_PIN_OUTPUT);
472 omap_mux_init_gpio(HDMI_GPIO_CT_CP_HPD, OMAP_PIN_OUTPUT);
473 omap_mux_init_gpio(HDMI_GPIO_HPD, OMAP_PIN_INPUT_PULLDOWN);
476 static void omap4_panda_init_rev(void)
478 if (cpu_is_omap443x()) {
479 /* PandaBoard 4430 */
480 /* ASoC audio configuration */
481 panda_abe_audio_data.card_name = "PandaBoard";
482 panda_abe_audio_data.has_hsmic = 1;
485 /* ASoC audio configuration */
486 panda_abe_audio_data.card_name = "PandaBoardES";
490 static void __init omap4_panda_init(void)
492 int package = OMAP_PACKAGE_CBS;
495 if (omap_rev() == OMAP4430_REV_ES1_0)
496 package = OMAP_PACKAGE_CBL;
497 omap4_mux_init(board_mux, NULL, package);
499 omap_panda_wlan_data.irq = gpio_to_irq(GPIO_WIFI_IRQ);
500 ret = wl12xx_set_platform_data(&omap_panda_wlan_data);
502 pr_err("error setting wl12xx data: %d\n", ret);
504 omap4_panda_init_rev();
505 omap4_panda_i2c_init();
506 platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices));
507 platform_device_register(&omap_vwlan_device);
509 omap_sdrc_init(NULL, NULL);
510 omap4_twl6030_hsmmc_init(mmc);
512 usb_musb_init(&musb_board_data);
513 omap4_panda_display_init();
516 MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board")
517 /* Maintainer: David Anders - Texas Instruments Inc */
518 .atag_offset = 0x100,
519 .smp = smp_ops(omap4_smp_ops),
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,