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>
31 #include <linux/platform_data/omap-abe-twl6040.h>
33 #include <mach/hardware.h>
34 #include <asm/hardware/gic.h>
35 #include <asm/mach-types.h>
36 #include <asm/mach/arch.h>
37 #include <asm/mach/map.h>
38 #include <video/omapdss.h>
40 #include <plat/board.h>
44 #include <video/omap-panel-dvi.h>
49 #include "common-board-devices.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
55 #define HDMI_GPIO_CT_CP_HPD 60 /* HPD mode enable/disable */
56 #define HDMI_GPIO_LS_OE 41 /* Level shifter for HDMI */
57 #define HDMI_GPIO_HPD 63 /* Hotplug detect */
59 /* wl127x BT, FM, GPS connectivity chip */
60 static int wl1271_gpios[] = {46, -1, -1};
61 static struct platform_device wl1271_device = {
65 .platform_data = &wl1271_gpios,
69 static struct gpio_led gpio_leds[] = {
71 .name = "pandaboard::status1",
72 .default_trigger = "heartbeat",
76 .name = "pandaboard::status2",
77 .default_trigger = "mmc0",
82 static struct gpio_led_platform_data gpio_led_info = {
84 .num_leds = ARRAY_SIZE(gpio_leds),
87 static struct platform_device leds_gpio = {
91 .platform_data = &gpio_led_info,
95 static struct omap_abe_twl6040_data panda_abe_audio_data = {
97 .has_hs = ABE_TWL6040_LEFT | ABE_TWL6040_RIGHT,
98 /* HandsFree through expasion connector */
99 .has_hf = ABE_TWL6040_LEFT | ABE_TWL6040_RIGHT,
100 /* PandaBoard: FM TX, PandaBoardES: can be connected to audio out */
101 .has_aux = ABE_TWL6040_LEFT | ABE_TWL6040_RIGHT,
102 /* PandaBoard: FM RX, PandaBoardES: audio in */
103 .has_afm = ABE_TWL6040_LEFT | ABE_TWL6040_RIGHT,
104 /* No jack detection. */
106 /* MCLK input is 38.4MHz */
107 .mclk_freq = 38400000,
111 static struct platform_device panda_abe_audio = {
112 .name = "omap-abe-twl6040",
115 .platform_data = &panda_abe_audio_data,
119 static struct platform_device *panda_devices[] __initdata = {
125 static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
126 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
127 .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
128 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
130 .reset_gpio_port[0] = -EINVAL,
131 .reset_gpio_port[1] = -EINVAL,
132 .reset_gpio_port[2] = -EINVAL
135 static struct gpio panda_ehci_gpios[] __initdata = {
136 { GPIO_HUB_POWER, GPIOF_OUT_INIT_LOW, "hub_power" },
137 { GPIO_HUB_NRESET, GPIOF_OUT_INIT_LOW, "hub_nreset" },
140 static void __init omap4_ehci_init(void)
143 struct clk *phy_ref_clk;
145 /* FREF_CLK3 provides the 19.2 MHz reference clock to the PHY */
146 phy_ref_clk = clk_get(NULL, "auxclk3_ck");
147 if (IS_ERR(phy_ref_clk)) {
148 pr_err("Cannot request auxclk3\n");
151 clk_set_rate(phy_ref_clk, 19200000);
152 clk_enable(phy_ref_clk);
154 /* disable the power to the usb hub prior to init and reset phy+hub */
155 ret = gpio_request_array(panda_ehci_gpios,
156 ARRAY_SIZE(panda_ehci_gpios));
158 pr_err("Unable to initialize EHCI power/reset\n");
162 gpio_export(GPIO_HUB_POWER, 0);
163 gpio_export(GPIO_HUB_NRESET, 0);
164 gpio_set_value(GPIO_HUB_NRESET, 1);
166 usbhs_init(&usbhs_bdata);
168 /* enable power to hub */
169 gpio_set_value(GPIO_HUB_POWER, 1);
172 static struct omap_musb_board_data musb_board_data = {
173 .interface_type = MUSB_INTERFACE_UTMI,
178 static struct omap2_hsmmc_info mmc[] = {
181 .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
188 .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
191 .ocr_mask = MMC_VDD_165_195,
192 .nonremovable = true,
197 static struct regulator_consumer_supply omap4_panda_vmmc5_supply[] = {
198 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.4"),
201 static struct regulator_init_data panda_vmmc5 = {
203 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
205 .num_consumer_supplies = ARRAY_SIZE(omap4_panda_vmmc5_supply),
206 .consumer_supplies = omap4_panda_vmmc5_supply,
209 static struct fixed_voltage_config panda_vwlan = {
210 .supply_name = "vwl1271",
211 .microvolts = 1800000, /* 1.8V */
212 .gpio = GPIO_WIFI_PMENA,
213 .startup_delay = 70000, /* 70msec */
215 .enabled_at_boot = 0,
216 .init_data = &panda_vmmc5,
219 static struct platform_device omap_vwlan_device = {
220 .name = "reg-fixed-voltage",
223 .platform_data = &panda_vwlan,
227 struct wl12xx_platform_data omap_panda_wlan_data __initdata = {
228 .irq = OMAP_GPIO_IRQ(GPIO_WIFI_IRQ),
229 /* PANDA ref clock is 38.4 MHz */
230 .board_ref_clock = 2,
233 static int omap4_twl6030_hsmmc_late_init(struct device *dev)
236 struct platform_device *pdev = container_of(dev,
237 struct platform_device, dev);
238 struct omap_mmc_platform_data *pdata = dev->platform_data;
241 dev_err(dev, "%s: NULL platform data\n", __func__);
244 /* Setting MMC1 Card detect Irq */
246 ret = twl6030_mmc_card_detect_config();
248 dev_err(dev, "%s: Error card detect config(%d)\n",
251 pdata->slots[0].card_detect = twl6030_mmc_card_detect;
256 static __init void omap4_twl6030_hsmmc_set_late_init(struct device *dev)
258 struct omap_mmc_platform_data *pdata;
260 /* dev can be null if CONFIG_MMC_OMAP_HS is not set */
262 pr_err("Failed omap4_twl6030_hsmmc_set_late_init\n");
265 pdata = dev->platform_data;
267 pdata->init = omap4_twl6030_hsmmc_late_init;
270 static int __init omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers)
272 struct omap2_hsmmc_info *c;
274 omap2_hsmmc_init(controllers);
275 for (c = controllers; c->mmc; c++)
276 omap4_twl6030_hsmmc_set_late_init(c->dev);
281 static struct twl4030_codec_data twl6040_codec = {
282 /* single-step ramp for headset and handsfree */
283 .hs_left_step = 0x0f,
284 .hs_right_step = 0x0f,
285 .hf_left_step = 0x1d,
286 .hf_right_step = 0x1d,
289 static struct twl4030_audio_data twl6040_audio = {
290 .codec = &twl6040_codec,
291 .audpwron_gpio = 127,
292 .naudint_irq = OMAP44XX_IRQ_SYS_2N,
293 .irq_base = TWL6040_CODEC_IRQ_BASE,
296 /* Panda board uses the common PMIC configuration */
297 static struct twl4030_platform_data omap4_panda_twldata = {
298 .audio = &twl6040_audio,
302 * Display monitor features are burnt in their EEPROM as EDID data. The EEPROM
303 * is connected as I2C slave device, and can be accessed at address 0x50
305 static struct i2c_board_info __initdata panda_i2c_eeprom[] = {
307 I2C_BOARD_INFO("eeprom", 0x50),
311 static int __init omap4_panda_i2c_init(void)
313 omap4_pmic_get_config(&omap4_panda_twldata, TWL_COMMON_PDATA_USB,
314 TWL_COMMON_REGULATOR_VDAC |
315 TWL_COMMON_REGULATOR_VAUX2 |
316 TWL_COMMON_REGULATOR_VAUX3 |
317 TWL_COMMON_REGULATOR_VMMC |
318 TWL_COMMON_REGULATOR_VPP |
319 TWL_COMMON_REGULATOR_VANA |
320 TWL_COMMON_REGULATOR_VCXIO |
321 TWL_COMMON_REGULATOR_VUSB |
322 TWL_COMMON_REGULATOR_CLK32KG);
323 omap4_pmic_init("twl6030", &omap4_panda_twldata);
324 omap_register_i2c_bus(2, 400, NULL, 0);
326 * Bus 3 is attached to the DVI port where devices like the pico DLP
327 * projector don't work reliably with 400kHz
329 omap_register_i2c_bus(3, 100, panda_i2c_eeprom,
330 ARRAY_SIZE(panda_i2c_eeprom));
331 omap_register_i2c_bus(4, 400, NULL, 0);
335 #ifdef CONFIG_OMAP_MUX
336 static struct omap_board_mux board_mux[] __initdata = {
337 /* WLAN IRQ - GPIO 53 */
338 OMAP4_MUX(GPMC_NCS3, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
339 /* WLAN POWER ENABLE - GPIO 43 */
340 OMAP4_MUX(GPMC_A19, OMAP_MUX_MODE3 | OMAP_PIN_OUTPUT),
341 /* WLAN SDIO: MMC5 CMD */
342 OMAP4_MUX(SDMMC5_CMD, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
343 /* WLAN SDIO: MMC5 CLK */
344 OMAP4_MUX(SDMMC5_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
345 /* WLAN SDIO: MMC5 DAT[0-3] */
346 OMAP4_MUX(SDMMC5_DAT0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
347 OMAP4_MUX(SDMMC5_DAT1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
348 OMAP4_MUX(SDMMC5_DAT2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
349 OMAP4_MUX(SDMMC5_DAT3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
350 /* gpio 0 - TFP410 PD */
351 OMAP4_MUX(KPD_COL1, OMAP_PIN_OUTPUT | OMAP_MUX_MODE3),
353 OMAP4_MUX(USBB2_ULPITLL_STP, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
355 OMAP4_MUX(USBB2_ULPITLL_DIR, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
357 OMAP4_MUX(USBB2_ULPITLL_NXT, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
359 OMAP4_MUX(USBB2_ULPITLL_DAT0, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
361 OMAP4_MUX(USBB2_ULPITLL_DAT1, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
363 OMAP4_MUX(USBB2_ULPITLL_DAT2, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
365 OMAP4_MUX(USBB2_ULPITLL_DAT3, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
367 OMAP4_MUX(USBB2_ULPITLL_DAT4, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
369 OMAP4_MUX(USBB2_ULPITLL_DAT5, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
371 OMAP4_MUX(USBB2_ULPITLL_DAT6, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
373 OMAP4_MUX(USBB2_ULPITLL_DAT7, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
375 OMAP4_MUX(DPM_EMU3, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
377 OMAP4_MUX(DPM_EMU4, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
379 OMAP4_MUX(DPM_EMU5, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
381 OMAP4_MUX(DPM_EMU6, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
383 OMAP4_MUX(DPM_EMU7, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
385 OMAP4_MUX(DPM_EMU8, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
387 OMAP4_MUX(DPM_EMU9, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
389 OMAP4_MUX(DPM_EMU10, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
391 OMAP4_MUX(DPM_EMU11, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
393 OMAP4_MUX(DPM_EMU12, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
395 OMAP4_MUX(DPM_EMU13, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
397 OMAP4_MUX(DPM_EMU14, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
399 OMAP4_MUX(DPM_EMU15, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
401 OMAP4_MUX(DPM_EMU16, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
403 OMAP4_MUX(DPM_EMU17, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
405 OMAP4_MUX(DPM_EMU18, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
407 OMAP4_MUX(DPM_EMU19, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
408 { .reg_offset = OMAP_MUX_TERMINATOR },
412 #define board_mux NULL
416 #define PANDA_DVI_TFP410_POWER_DOWN_GPIO 0
418 static int omap4_panda_enable_dvi(struct omap_dss_device *dssdev)
420 gpio_set_value(dssdev->reset_gpio, 1);
424 static void omap4_panda_disable_dvi(struct omap_dss_device *dssdev)
426 gpio_set_value(dssdev->reset_gpio, 0);
429 /* Using generic display panel */
430 static struct panel_dvi_platform_data omap4_dvi_panel = {
431 .platform_enable = omap4_panda_enable_dvi,
432 .platform_disable = omap4_panda_disable_dvi,
436 struct omap_dss_device omap4_panda_dvi_device = {
437 .type = OMAP_DISPLAY_TYPE_DPI,
439 .driver_name = "dvi",
440 .data = &omap4_dvi_panel,
441 .phy.dpi.data_lines = 24,
442 .reset_gpio = PANDA_DVI_TFP410_POWER_DOWN_GPIO,
443 .channel = OMAP_DSS_CHANNEL_LCD2,
446 int __init omap4_panda_dvi_init(void)
450 /* Requesting TFP410 DVI GPIO and disabling it, at bootup */
451 r = gpio_request_one(omap4_panda_dvi_device.reset_gpio,
452 GPIOF_OUT_INIT_LOW, "DVI PD");
454 pr_err("Failed to get DVI powerdown GPIO\n");
459 static struct gpio panda_hdmi_gpios[] = {
460 { HDMI_GPIO_CT_CP_HPD, GPIOF_OUT_INIT_HIGH, "hdmi_gpio_ct_cp_hpd" },
461 { HDMI_GPIO_LS_OE, GPIOF_OUT_INIT_HIGH, "hdmi_gpio_ls_oe" },
462 { HDMI_GPIO_HPD, GPIOF_DIR_IN, "hdmi_gpio_hpd" },
465 static int omap4_panda_panel_enable_hdmi(struct omap_dss_device *dssdev)
469 status = gpio_request_array(panda_hdmi_gpios,
470 ARRAY_SIZE(panda_hdmi_gpios));
472 pr_err("Cannot request HDMI GPIOs\n");
477 static void omap4_panda_panel_disable_hdmi(struct omap_dss_device *dssdev)
479 gpio_free_array(panda_hdmi_gpios, ARRAY_SIZE(panda_hdmi_gpios));
482 static struct omap_dss_hdmi_data omap4_panda_hdmi_data = {
483 .hpd_gpio = HDMI_GPIO_HPD,
486 static struct omap_dss_device omap4_panda_hdmi_device = {
488 .driver_name = "hdmi_panel",
489 .type = OMAP_DISPLAY_TYPE_HDMI,
490 .platform_enable = omap4_panda_panel_enable_hdmi,
491 .platform_disable = omap4_panda_panel_disable_hdmi,
492 .channel = OMAP_DSS_CHANNEL_DIGIT,
493 .data = &omap4_panda_hdmi_data,
496 static struct omap_dss_device *omap4_panda_dss_devices[] = {
497 &omap4_panda_dvi_device,
498 &omap4_panda_hdmi_device,
501 static struct omap_dss_board_info omap4_panda_dss_data = {
502 .num_devices = ARRAY_SIZE(omap4_panda_dss_devices),
503 .devices = omap4_panda_dss_devices,
504 .default_device = &omap4_panda_dvi_device,
507 void omap4_panda_display_init(void)
511 r = omap4_panda_dvi_init();
513 pr_err("error initializing panda DVI\n");
515 omap_display_init(&omap4_panda_dss_data);
518 * OMAP4460SDP/Blaze and OMAP4430 ES2.3 SDP/Blaze boards and
519 * later have external pull up on the HDMI I2C lines
521 if (cpu_is_omap446x() || omap_rev() > OMAP4430_REV_ES2_2)
522 omap_hdmi_init(OMAP_HDMI_SDA_SCL_EXTERNAL_PULLUP);
526 omap_mux_init_gpio(HDMI_GPIO_LS_OE, OMAP_PIN_OUTPUT);
527 omap_mux_init_gpio(HDMI_GPIO_CT_CP_HPD, OMAP_PIN_OUTPUT);
528 omap_mux_init_gpio(HDMI_GPIO_HPD, OMAP_PIN_INPUT_PULLDOWN);
531 static void omap4_panda_init_rev(void)
533 if (cpu_is_omap4430()) {
534 /* PandaBoard 4430 */
535 /* ASoC audio configuration */
536 panda_abe_audio_data.card_name = "PandaBoard";
537 panda_abe_audio_data.has_hsmic = 1;
540 /* ASoC audio configuration */
541 panda_abe_audio_data.card_name = "PandaBoardES";
545 static void __init omap4_panda_init(void)
547 int package = OMAP_PACKAGE_CBS;
550 if (omap_rev() == OMAP4430_REV_ES1_0)
551 package = OMAP_PACKAGE_CBL;
552 omap4_mux_init(board_mux, NULL, package);
554 ret = wl12xx_set_platform_data(&omap_panda_wlan_data);
556 pr_err("error setting wl12xx data: %d\n", ret);
558 omap4_panda_init_rev();
559 omap4_panda_i2c_init();
560 platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices));
561 platform_device_register(&omap_vwlan_device);
563 omap_sdrc_init(NULL, NULL);
564 omap4_twl6030_hsmmc_init(mmc);
566 usb_musb_init(&musb_board_data);
567 omap4_panda_display_init();
570 MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board")
571 /* Maintainer: David Anders - Texas Instruments Inc */
572 .atag_offset = 0x100,
573 .reserve = omap_reserve,
574 .map_io = omap4_map_io,
575 .init_early = omap4430_init_early,
576 .init_irq = gic_init_irq,
577 .handle_irq = gic_handle_irq,
578 .init_machine = omap4_panda_init,
579 .timer = &omap4_timer,
580 .restart = omap_prcm_restart,