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 btwilink_device = {
124 static struct platform_device *panda_devices[] __initdata = {
131 static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
132 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
133 .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
134 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
136 .reset_gpio_port[0] = -EINVAL,
137 .reset_gpio_port[1] = -EINVAL,
138 .reset_gpio_port[2] = -EINVAL
141 static struct gpio panda_ehci_gpios[] __initdata = {
142 { GPIO_HUB_POWER, GPIOF_OUT_INIT_LOW, "hub_power" },
143 { GPIO_HUB_NRESET, GPIOF_OUT_INIT_LOW, "hub_nreset" },
146 static void __init omap4_ehci_init(void)
149 struct clk *phy_ref_clk;
151 /* FREF_CLK3 provides the 19.2 MHz reference clock to the PHY */
152 phy_ref_clk = clk_get(NULL, "auxclk3_ck");
153 if (IS_ERR(phy_ref_clk)) {
154 pr_err("Cannot request auxclk3\n");
157 clk_set_rate(phy_ref_clk, 19200000);
158 clk_enable(phy_ref_clk);
160 /* disable the power to the usb hub prior to init and reset phy+hub */
161 ret = gpio_request_array(panda_ehci_gpios,
162 ARRAY_SIZE(panda_ehci_gpios));
164 pr_err("Unable to initialize EHCI power/reset\n");
168 gpio_export(GPIO_HUB_POWER, 0);
169 gpio_export(GPIO_HUB_NRESET, 0);
170 gpio_set_value(GPIO_HUB_NRESET, 1);
172 usbhs_init(&usbhs_bdata);
174 /* enable power to hub */
175 gpio_set_value(GPIO_HUB_POWER, 1);
178 static struct omap_musb_board_data musb_board_data = {
179 .interface_type = MUSB_INTERFACE_UTMI,
184 static struct omap2_hsmmc_info mmc[] = {
187 .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
194 .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
197 .ocr_mask = MMC_VDD_165_195,
198 .nonremovable = true,
203 static struct regulator_consumer_supply omap4_panda_vmmc5_supply[] = {
204 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.4"),
207 static struct regulator_init_data panda_vmmc5 = {
209 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
211 .num_consumer_supplies = ARRAY_SIZE(omap4_panda_vmmc5_supply),
212 .consumer_supplies = omap4_panda_vmmc5_supply,
215 static struct fixed_voltage_config panda_vwlan = {
216 .supply_name = "vwl1271",
217 .microvolts = 1800000, /* 1.8V */
218 .gpio = GPIO_WIFI_PMENA,
219 .startup_delay = 70000, /* 70msec */
221 .enabled_at_boot = 0,
222 .init_data = &panda_vmmc5,
225 static struct platform_device omap_vwlan_device = {
226 .name = "reg-fixed-voltage",
229 .platform_data = &panda_vwlan,
233 struct wl12xx_platform_data omap_panda_wlan_data __initdata = {
234 /* PANDA ref clock is 38.4 MHz */
235 .board_ref_clock = 2,
238 static int omap4_twl6030_hsmmc_late_init(struct device *dev)
241 struct platform_device *pdev = container_of(dev,
242 struct platform_device, dev);
243 struct omap_mmc_platform_data *pdata = dev->platform_data;
246 dev_err(dev, "%s: NULL platform data\n", __func__);
249 /* Setting MMC1 Card detect Irq */
251 irq = twl6030_mmc_card_detect_config();
253 dev_err(dev, "%s: Error card detect config(%d)\n",
257 pdata->slots[0].card_detect = twl6030_mmc_card_detect;
262 static __init void omap4_twl6030_hsmmc_set_late_init(struct device *dev)
264 struct omap_mmc_platform_data *pdata;
266 /* dev can be null if CONFIG_MMC_OMAP_HS is not set */
268 pr_err("Failed omap4_twl6030_hsmmc_set_late_init\n");
271 pdata = dev->platform_data;
273 pdata->init = omap4_twl6030_hsmmc_late_init;
276 static int __init omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers)
278 struct omap2_hsmmc_info *c;
280 omap_hsmmc_init(controllers);
281 for (c = controllers; c->mmc; c++)
282 omap4_twl6030_hsmmc_set_late_init(&c->pdev->dev);
287 static struct twl4030_codec_data twl6040_codec = {
288 /* single-step ramp for headset and handsfree */
289 .hs_left_step = 0x0f,
290 .hs_right_step = 0x0f,
291 .hf_left_step = 0x1d,
292 .hf_right_step = 0x1d,
295 static struct twl4030_audio_data twl6040_audio = {
296 .codec = &twl6040_codec,
297 .audpwron_gpio = 127,
298 .naudint_irq = OMAP44XX_IRQ_SYS_2N,
299 .irq_base = TWL6040_CODEC_IRQ_BASE,
302 /* Panda board uses the common PMIC configuration */
303 static struct twl4030_platform_data omap4_panda_twldata = {
304 .audio = &twl6040_audio,
308 * Display monitor features are burnt in their EEPROM as EDID data. The EEPROM
309 * is connected as I2C slave device, and can be accessed at address 0x50
311 static struct i2c_board_info __initdata panda_i2c_eeprom[] = {
313 I2C_BOARD_INFO("eeprom", 0x50),
317 static int __init omap4_panda_i2c_init(void)
319 omap4_pmic_get_config(&omap4_panda_twldata, TWL_COMMON_PDATA_USB,
320 TWL_COMMON_REGULATOR_VDAC |
321 TWL_COMMON_REGULATOR_VAUX2 |
322 TWL_COMMON_REGULATOR_VAUX3 |
323 TWL_COMMON_REGULATOR_VMMC |
324 TWL_COMMON_REGULATOR_VPP |
325 TWL_COMMON_REGULATOR_VANA |
326 TWL_COMMON_REGULATOR_VCXIO |
327 TWL_COMMON_REGULATOR_VUSB |
328 TWL_COMMON_REGULATOR_CLK32KG);
329 omap4_pmic_init("twl6030", &omap4_panda_twldata);
330 omap_register_i2c_bus(2, 400, NULL, 0);
332 * Bus 3 is attached to the DVI port where devices like the pico DLP
333 * projector don't work reliably with 400kHz
335 omap_register_i2c_bus(3, 100, panda_i2c_eeprom,
336 ARRAY_SIZE(panda_i2c_eeprom));
337 omap_register_i2c_bus(4, 400, NULL, 0);
341 #ifdef CONFIG_OMAP_MUX
342 static struct omap_board_mux board_mux[] __initdata = {
343 /* WLAN IRQ - GPIO 53 */
344 OMAP4_MUX(GPMC_NCS3, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
345 /* WLAN POWER ENABLE - GPIO 43 */
346 OMAP4_MUX(GPMC_A19, OMAP_MUX_MODE3 | OMAP_PIN_OUTPUT),
347 /* WLAN SDIO: MMC5 CMD */
348 OMAP4_MUX(SDMMC5_CMD, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
349 /* WLAN SDIO: MMC5 CLK */
350 OMAP4_MUX(SDMMC5_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
351 /* WLAN SDIO: MMC5 DAT[0-3] */
352 OMAP4_MUX(SDMMC5_DAT0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
353 OMAP4_MUX(SDMMC5_DAT1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
354 OMAP4_MUX(SDMMC5_DAT2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
355 OMAP4_MUX(SDMMC5_DAT3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
356 /* gpio 0 - TFP410 PD */
357 OMAP4_MUX(KPD_COL1, OMAP_PIN_OUTPUT | OMAP_MUX_MODE3),
359 OMAP4_MUX(USBB2_ULPITLL_STP, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
361 OMAP4_MUX(USBB2_ULPITLL_DIR, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
363 OMAP4_MUX(USBB2_ULPITLL_NXT, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
365 OMAP4_MUX(USBB2_ULPITLL_DAT0, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
367 OMAP4_MUX(USBB2_ULPITLL_DAT1, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
369 OMAP4_MUX(USBB2_ULPITLL_DAT2, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
371 OMAP4_MUX(USBB2_ULPITLL_DAT3, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
373 OMAP4_MUX(USBB2_ULPITLL_DAT4, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
375 OMAP4_MUX(USBB2_ULPITLL_DAT5, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
377 OMAP4_MUX(USBB2_ULPITLL_DAT6, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
379 OMAP4_MUX(USBB2_ULPITLL_DAT7, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
381 OMAP4_MUX(DPM_EMU3, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
383 OMAP4_MUX(DPM_EMU4, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
385 OMAP4_MUX(DPM_EMU5, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
387 OMAP4_MUX(DPM_EMU6, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
389 OMAP4_MUX(DPM_EMU7, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
391 OMAP4_MUX(DPM_EMU8, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
393 OMAP4_MUX(DPM_EMU9, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
395 OMAP4_MUX(DPM_EMU10, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
397 OMAP4_MUX(DPM_EMU11, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
399 OMAP4_MUX(DPM_EMU12, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
401 OMAP4_MUX(DPM_EMU13, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
403 OMAP4_MUX(DPM_EMU14, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
405 OMAP4_MUX(DPM_EMU15, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
407 OMAP4_MUX(DPM_EMU16, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
409 OMAP4_MUX(DPM_EMU17, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
411 OMAP4_MUX(DPM_EMU18, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
413 OMAP4_MUX(DPM_EMU19, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
414 { .reg_offset = OMAP_MUX_TERMINATOR },
418 #define board_mux NULL
422 #define PANDA_DVI_TFP410_POWER_DOWN_GPIO 0
424 static int omap4_panda_enable_dvi(struct omap_dss_device *dssdev)
426 gpio_set_value(dssdev->reset_gpio, 1);
430 static void omap4_panda_disable_dvi(struct omap_dss_device *dssdev)
432 gpio_set_value(dssdev->reset_gpio, 0);
435 /* Using generic display panel */
436 static struct panel_dvi_platform_data omap4_dvi_panel = {
437 .platform_enable = omap4_panda_enable_dvi,
438 .platform_disable = omap4_panda_disable_dvi,
442 struct omap_dss_device omap4_panda_dvi_device = {
443 .type = OMAP_DISPLAY_TYPE_DPI,
445 .driver_name = "dvi",
446 .data = &omap4_dvi_panel,
447 .phy.dpi.data_lines = 24,
448 .reset_gpio = PANDA_DVI_TFP410_POWER_DOWN_GPIO,
449 .channel = OMAP_DSS_CHANNEL_LCD2,
452 int __init omap4_panda_dvi_init(void)
456 /* Requesting TFP410 DVI GPIO and disabling it, at bootup */
457 r = gpio_request_one(omap4_panda_dvi_device.reset_gpio,
458 GPIOF_OUT_INIT_LOW, "DVI PD");
460 pr_err("Failed to get DVI powerdown GPIO\n");
465 static struct gpio panda_hdmi_gpios[] = {
466 { HDMI_GPIO_CT_CP_HPD, GPIOF_OUT_INIT_HIGH, "hdmi_gpio_ct_cp_hpd" },
467 { HDMI_GPIO_LS_OE, GPIOF_OUT_INIT_HIGH, "hdmi_gpio_ls_oe" },
468 { HDMI_GPIO_HPD, GPIOF_DIR_IN, "hdmi_gpio_hpd" },
471 static int omap4_panda_panel_enable_hdmi(struct omap_dss_device *dssdev)
475 status = gpio_request_array(panda_hdmi_gpios,
476 ARRAY_SIZE(panda_hdmi_gpios));
478 pr_err("Cannot request HDMI GPIOs\n");
483 static void omap4_panda_panel_disable_hdmi(struct omap_dss_device *dssdev)
485 gpio_free_array(panda_hdmi_gpios, ARRAY_SIZE(panda_hdmi_gpios));
488 static struct omap_dss_hdmi_data omap4_panda_hdmi_data = {
489 .hpd_gpio = HDMI_GPIO_HPD,
492 static struct omap_dss_device omap4_panda_hdmi_device = {
494 .driver_name = "hdmi_panel",
495 .type = OMAP_DISPLAY_TYPE_HDMI,
496 .platform_enable = omap4_panda_panel_enable_hdmi,
497 .platform_disable = omap4_panda_panel_disable_hdmi,
498 .channel = OMAP_DSS_CHANNEL_DIGIT,
499 .data = &omap4_panda_hdmi_data,
502 static struct omap_dss_device *omap4_panda_dss_devices[] = {
503 &omap4_panda_dvi_device,
504 &omap4_panda_hdmi_device,
507 static struct omap_dss_board_info omap4_panda_dss_data = {
508 .num_devices = ARRAY_SIZE(omap4_panda_dss_devices),
509 .devices = omap4_panda_dss_devices,
510 .default_device = &omap4_panda_dvi_device,
513 void __init omap4_panda_display_init(void)
517 r = omap4_panda_dvi_init();
519 pr_err("error initializing panda DVI\n");
521 omap_display_init(&omap4_panda_dss_data);
524 * OMAP4460SDP/Blaze and OMAP4430 ES2.3 SDP/Blaze boards and
525 * later have external pull up on the HDMI I2C lines
527 if (cpu_is_omap446x() || omap_rev() > OMAP4430_REV_ES2_2)
528 omap_hdmi_init(OMAP_HDMI_SDA_SCL_EXTERNAL_PULLUP);
532 omap_mux_init_gpio(HDMI_GPIO_LS_OE, OMAP_PIN_OUTPUT);
533 omap_mux_init_gpio(HDMI_GPIO_CT_CP_HPD, OMAP_PIN_OUTPUT);
534 omap_mux_init_gpio(HDMI_GPIO_HPD, OMAP_PIN_INPUT_PULLDOWN);
537 static void omap4_panda_init_rev(void)
539 if (cpu_is_omap443x()) {
540 /* PandaBoard 4430 */
541 /* ASoC audio configuration */
542 panda_abe_audio_data.card_name = "PandaBoard";
543 panda_abe_audio_data.has_hsmic = 1;
546 /* ASoC audio configuration */
547 panda_abe_audio_data.card_name = "PandaBoardES";
551 static void __init omap4_panda_init(void)
553 int package = OMAP_PACKAGE_CBS;
556 if (omap_rev() == OMAP4430_REV_ES1_0)
557 package = OMAP_PACKAGE_CBL;
558 omap4_mux_init(board_mux, NULL, package);
560 omap_panda_wlan_data.irq = gpio_to_irq(GPIO_WIFI_IRQ);
561 ret = wl12xx_set_platform_data(&omap_panda_wlan_data);
563 pr_err("error setting wl12xx data: %d\n", ret);
565 omap4_panda_init_rev();
566 omap4_panda_i2c_init();
567 platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices));
568 platform_device_register(&omap_vwlan_device);
570 omap_sdrc_init(NULL, NULL);
571 omap4_twl6030_hsmmc_init(mmc);
573 usb_musb_init(&musb_board_data);
574 omap4_panda_display_init();
577 MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board")
578 /* Maintainer: David Anders - Texas Instruments Inc */
579 .atag_offset = 0x100,
580 .reserve = omap_reserve,
581 .map_io = omap4_map_io,
582 .init_early = omap4430_init_early,
583 .init_irq = gic_init_irq,
584 .handle_irq = gic_handle_irq,
585 .init_machine = omap4_panda_init,
586 .timer = &omap4_timer,
587 .restart = omap_prcm_restart,